$329+ Cheap flights from Sacramento (SMF) to London (LON)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/31. Fares are subject to change and may not be available on all flights or dates of travel.
SMF — LON
Jun 2 — Jun 91
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Sacramento to London with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Sacramento to London
Cheapest
Best
Last-minute
One-way
Cheapest flights from Sacramento to LondonExplore the most affordable flight options available from Sacramento to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 3, 2026.
Explore the most affordable flight options available from Sacramento to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 3, 2026.
This Delta deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/161:00 pm
SMF
- LHR
1 stop15h 10m
Delta
Wed 9/306:30 am
LHR
- SMF
2 stops18h 02m
Delta
Deal found 4/28![Delta logo]()
$876
This FlightHub deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/247:00 am
SMF
- LHR
2 stops25h 00m
Scandinavian Airlines
Tue 9/86:40 am
LHR
- SMF
2 stops20h 48m
Scandinavian Airlines
Deal found 4/29![Scandinavian Airlines logo]()
$877
This Air Canada deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/56:00 pm
SMF
- LHR
2 stops33h 50m
Air Canada
Fri 9/112:05 pm
LHR
- SMF
2 stops31h 01m
Air Canada
Deal found 4/30![Air Canada logo]()
$880
This Delta deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/176:00 am
SMF
- LHR
2 stops18h 05m
Delta
Fri 11/276:30 am
LHR
- SMF
2 stops21h 53m
Delta
Deal found 4/28![Delta logo]()
$881
This United Airlines deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/55:00 am
SMF
- LHR
1 stop23h 35m
United Airlines
Wed 8/193:05 pm
LHR
- SMF
1 stop34h 18m
United Airlines
Deal found 4/30![United Airlines logo]()
$882
This Air Canada deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/137:55 am
SMF
- LHR
1 stop14h 40m
Air Canada
Fri 10/163:05 pm
LHR
- SMF
2 stops32h 07m
Air Canada
Deal found 4/30![Air Canada logo]()
$885
This SWISS deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/67:00 am
SMF
- LGW
2 stops17h 25m
SWISS
Tue 10/139:25 am
LGW
- SMF
2 stops21h 10m
SWISS
Deal found 5/2![SWISS logo]()
$885
This United Airlines deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/3011:50 am
SMF
- LHR
1 stop15h 25m
United Airlines
Fri 12/119:30 am
LHR
- SMF
2 stops21h 58m
United Airlines
Deal found 5/2![United Airlines logo]()
$887
This Delta deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/172:15 pm
SMF
- LGW
2 stops17h 30m
Delta
Fri 11/2710:00 am
LGW
- SMF
2 stops19h 52m
Delta
Deal found 4/30![Delta logo]()
$887
This Air Canada deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/15:00 am
SMF
- LHR
2 stops17h 30m
Air Canada
Tue 9/152:05 pm
LHR
- SMF
2 stops31h 01m
Air Canada
Deal found 5/2![Air Canada logo]()
$888
This United Airlines deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/2511:00 pm
SMF
- LHR
1 stop15h 20m
United Airlines
Mon 11/211:05 am
LHR
- SMF
2 stops42h 37m
United Airlines
Deal found 5/1![United Airlines logo]()
$889
This Air Canada deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/46:00 pm
SMF
- LHR
2 stops28h 30m
Air Canada
Wed 10/143:05 pm
LHR
- SMF
1 stop34h 16m
Air Canada
Deal found 5/2![Air Canada logo]()
$890
Best flights from Sacramento to LondonDiscover carefully curated flight deals from Sacramento to London that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 3, 2026.
Discover carefully curated flight deals from Sacramento to London that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 3, 2026.
This United Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/54:14 pm
SMF
- LHR
1 stop33h 26m
United Airlines
Fri 9/115:40 pm
LHR
- SMF
1 stop35h 30m
United Airlines
Deal found 4/29![United Airlines logo]()
$891
This SWISS deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/168:09 am
SMF
- LCY
2 stops20h 26m
SWISS
Tue 10/139:15 am
LCY
- SMF
2 stops21h 20m
SWISS
Deal found 4/30![SWISS logo]()
$983
This KLM deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/219:45 am
SMF
- LHR
1 stop17h 15m
KLM
Wed 8/1210:55 am
LHR
- SMF
1 stop20h 50m
KLM
Deal found 5/3![KLM logo]()
$994
This Scandinavian Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/287:00 am
SMF
- LHR
2 stops27h 30m
Scandinavian Airlines
Mon 10/127:05 am
LHR
- SMF
3 stops23h 11m
Scandinavian Airlines
Deal found 4/29![Scandinavian Airlines logo]()
$1,056
This Delta deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/146:05 am
SMF
- LHR
1 stop20h 10m
Delta
Mon 5/186:30 am
LHR
- SMF
2 stops18h 11m
Delta
Deal found 5/1![Delta logo]()
$1,174
This Turkish Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/42:56 pm
SMF
- STN
2 stops23h 14m
Multiple Airlines
Sun 10/256:40 am
STN
- SMF
2 stops23h 47m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$1,232
This Icelandair deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/410:23 am
SMF
- LGW
2 stops20h 17m
Icelandair
Fri 8/143:40 pm
LGW
- SMF
2 stops32h 26m
Icelandair
Deal found 4/30![Icelandair logo]()
$1,427
This oojo deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/111:45 pm
SMF
- LCY
2 stops27h 45m
British Airways
Sun 7/53:30 pm
LCY
- SMF
2 stops39h 03m
British Airways
Deal found 5/1![British Airways logo]()
$1,584
This SWISS deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/47:00 am
SMF
- LCY
2 stops21h 35m
SWISS
Sun 10/257:05 pm
LCY
- SMF
2 stops34h 30m
SWISS
Deal found 4/29![SWISS logo]()
$1,034
This United Airlines deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/117:03 pm
SMF
- LHR
1 stop28h 22m
United Airlines
Tue 7/285:40 pm
LHR
- SMF
1 stop35h 30m
United Airlines
Deal found 5/2![United Airlines logo]()
$1,080
This KLM deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/81:00 pm
SMF
- LHR
1 stop18h 35m
KLM
Tue 7/149:55 am
LHR
- SMF
1 stop18h 20m
KLM
Deal found 5/1![KLM logo]()
$1,094
This United Airlines deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/142:24 pm
SMF
- LHR
1 stop32h 21m
United Airlines
Tue 7/285:40 pm
LHR
- SMF
1 stop35h 30m
United Airlines
Deal found 5/2![United Airlines logo]()
$1,080
This Delta deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/75:17 pm
SMF
- LCY
2 stops15h 23m
Delta
Wed 6/179:20 am
LCY
- SMF
2 stops19h 05m
Delta
Deal found 5/1![Delta logo]()
$1,209
This Scandinavian Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1511:10 am
SMF
- LHR
3 stops21h 15m
Scandinavian Airlines
Sun 9/2010:20 am
LHR
- SMF
2 stops19h 53m
Scandinavian Airlines
Deal found 4/28![Scandinavian Airlines logo]()
$1,221
This SWISS deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/109:20 am
SMF
- LCY
2 stops20h 25m
SWISS
Wed 10/289:15 am
LCY
- SMF
2 stops20h 20m
SWISS
Deal found 4/28![SWISS logo]()
$1,142
This Turkish Airlines deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/72:56 pm
SMF
- STN
2 stops23h 14m
Multiple Airlines
Wed 10/146:55 am
STN
- SMF
2 stops24h 32m
Multiple Airlines
Deal found 5/2![Multiple Airlines logo]()
$1,312
This SWISS deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/277:00 am
SMF
- LGW
2 stops17h 25m
SWISS
Thu 8/279:25 am
LGW
- SMF
2 stops20h 57m
SWISS
Deal found 4/29![SWISS logo]()
$1,145
This United Airlines deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/124:19 pm
SMF
- LHR
1 stop12h 16m
United Airlines
Sat 7/2510:35 am
LHR
- SMF
1 stop15h 48m
United Airlines
Deal found 5/2![United Airlines logo]()
$1,164
This Scandinavian Airlines deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/182:08 pm
SMF
- LHR
3 stops23h 27m
Scandinavian Airlines
Tue 6/26:40 am
LHR
- SMF
3 stops21h 17m
Scandinavian Airlines
Deal found 4/30![Scandinavian Airlines logo]()
$1,320
This Turkish Airlines deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/151:15 pm
SMF
- STN
2 stops43h 25m
Multiple Airlines
Sun 9/206:55 am
STN
- SMF
2 stops24h 18m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$1,362
This SWISS deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/157:00 am
SMF
- LGW
2 stops17h 25m
SWISS
Sun 9/209:05 am
LGW
- SMF
2 stops21h 17m
SWISS
Deal found 4/28![SWISS logo]()
$1,146
This Turkish Airlines deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/171:15 pm
SMF
- STN
2 stops36h 40m
Multiple Airlines
Sun 9/276:55 am
STN
- SMF
2 stops24h 18m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$1,363
This Turkish Airlines deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/151:15 pm
SMF
- LGW
2 stops36h 40m
Multiple Airlines
Sun 9/207:30 am
LGW
- SMF
2 stops23h 43m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$1,370
This SWISS deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/287:00 am
SMF
- LCY
2 stops21h 35m
SWISS
Tue 8/47:15 pm
LCY
- SMF
2 stops31h 28m
SWISS
Deal found 4/30![SWISS logo]()
$1,336
This Turkish Airlines deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2612:57 pm
SMF
- STN
2 stops26h 18m
Multiple Airlines
Tue 11/36:40 am
STN
- SMF
2 stops47h 56m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$1,437
This SWISS deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/287:00 am
SMF
- LGW
2 stops17h 25m
SWISS
Tue 8/49:25 am
LGW
- SMF
2 stops21h 12m
SWISS
Deal found 4/30![SWISS logo]()
$1,351
This Mytrip deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/221:20 am
SMF
- SEN
3 stops36h 40m
Multiple Airlines
Sat 6/137:55 am
SEN
- SMF
3 stops21h 25m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$1,509
This SWISS deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/288:09 am
SMF
- LCY
2 stops20h 26m
SWISS
Thu 6/49:15 am
LCY
- SMF
2 stops21h 22m
SWISS
Deal found 4/30![SWISS logo]()
$1,377
This Turkish Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/278:03 am
SMF
- STN
2 stops24h 37m
Multiple Airlines
Thu 8/275:35 pm
STN
- SMF
2 stops36h 48m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$1,516
This SWISS deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/227:00 am
SMF
- LGW
2 stops17h 25m
SWISS
Tue 8/119:25 am
LGW
- SMF
2 stops20h 57m
SWISS
Deal found 5/3![SWISS logo]()
$1,398
Last-minute flights from Sacramento to LondonDiscover last-minute flight deals from Sacramento to London. Data last updated May 3, 2026 and is based on user searches.
Discover last-minute flight deals from Sacramento to London. Data last updated May 3, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/26:00 pm
SMF
- LHR
2 stops33h 50m
Multiple Airlines
Fri 5/1510:50 am
LHR
- SMF
2 stops20h 57m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$1,040
This United Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/211:59 pm
SMF
- LHR
1 stop13h 21m
United Airlines
Fri 5/152:10 pm
LHR
- SMF
1 stop16h 42m
United Airlines
Deal found 4/29![United Airlines logo]()
$1,068
This Virgin Atlantic deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/212:24 pm
SMF
- LHR
1 stop34h 01m
Virgin Atlantic
Fri 5/152:30 pm
LHR
- SMF
1 stop15h 41m
Virgin Atlantic
Deal found 5/1![Virgin Atlantic logo]()
$1,071
This SWISS deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/21:55 pm
SMF
- LGW
2 stops19h 55m
SWISS
Fri 5/159:25 am
LGW
- SMF
2 stops21h 27m
SWISS
Deal found 4/29![SWISS logo]()
$1,109
This United Airlines deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/56:00 am
SMF
- LHR
2 stops23h 20m
United Airlines
Tue 5/196:50 am
LHR
- SMF
2 stops22h 06m
United Airlines
Deal found 5/1![United Airlines logo]()
$1,045
This KAYAK deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/58:00 am
SMF
- LGW
2 stops25h 50m
SWISS
Tue 5/196:35 pm
LGW
- SMF
2 stops34h 07m
SWISS
Deal found 5/1![SWISS logo]()
$1,059
This KAYAK deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/58:00 am
SMF
- LCY
2 stops25h 25m
SWISS
Tue 5/199:15 am
LCY
- SMF
2 stops19h 27m
SWISS
Deal found 5/1![SWISS logo]()
$1,080
This Orbitz deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/68:00 am
SMF
- LGW
2 stops26h 45m
Multiple Airlines
Fri 5/810:20 am
LGW
- SMF
2 stops19h 48m
Multiple Airlines
Deal found 5/2![Multiple Airlines logo]()
$1,090
This FlightHub deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/96:00 pm
SMF
- LHR
2 stops33h 50m
Multiple Airlines
Thu 5/2110:50 am
LHR
- SMF
2 stops21h 09m
Multiple Airlines
Deal found 5/2![Multiple Airlines logo]()
$1,046
This Delta deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/138:45 pm
SMF
- LHR
1 stop12h 50m
Delta
Tue 5/196:30 am
LHR
- SMF
2 stops19h 30m
Delta
Deal found 4/30![Delta logo]()
$1,050
This FlightHub deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/176:00 pm
SMF
- LHR
2 stops33h 50m
Multiple Airlines
Wed 6/1010:50 am
LHR
- SMF
2 stops21h 09m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$1,074
This Cheapflightsfares deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/181:55 pm
SMF
- LHR
2 stops17h 45m
Lufthansa
Tue 6/210:50 am
LHR
- SMF
2 stops21h 09m
Lufthansa
Deal found 4/30![Lufthansa logo]()
$1,063
One-way flights from Sacramento to LondonSearch for one-way flight options from Sacramento to London. Find affordable one-way fares based on user searches. Data last updated May 3, 2026.
Search for one-way flight options from Sacramento to London. Find affordable one-way fares based on user searches. Data last updated May 3, 2026.
This Justfly.com deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/316:00 pm
SMF
- LHR
2 stops33h 50m
Air Canada
Deal found 4/30![Air Canada logo]()
$329
This oojo deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2811:00 am
SMF
- LHR
1 stop14h 05m
British Airways
Deal found 4/30![British Airways logo]()
$332
This Delta deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/19:10 am
SMF
- LHR
1 stop21h 50m
Delta
Deal found 4/29![Delta logo]()
$333
This Delta deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/282:15 pm
SMF
- LGW
2 stops17h 45m
Delta
Deal found 4/28![Delta logo]()
$339
This oojo deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/206:44 am
SMF
- LCY
2 stops24h 31m
British Airways
Deal found 5/3![British Airways logo]()
$341
This Delta deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/286:15 am
SMF
- LCY
2 stops17h 40m
Delta
Deal found 4/29![Delta logo]()
$351
This oojo deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/306:44 am
SMF
- LHR
1 stop20h 11m
British Airways
Deal found 4/30![British Airways logo]()
$368
This FlightHub deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/116:00 pm
SMF
- LHR
2 stops33h 50m
Air Canada
Deal found 4/30![Air Canada logo]()
$379
This oojo deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/116:50 am
SMF
- LHR
1 stop21h 55m
British Airways
Deal found 4/30![British Airways logo]()
$382
This deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/195:08 pm
SMF
- LHR
1 stop13h 57m
Alaska Airlines
Deal found 5/2![Alaska Airlines logo]()
$383
This SWISS deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/197:00 am
SMF
- LGW
2 stops17h 20m
SWISS
Deal found 4/30![SWISS logo]()
$393
This Kiwi.com deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/208:37 am
SMF
- STN
3 stops43h 08m
Multiple Airlines
Deal found 5/3![Multiple Airlines logo]()
$430
Find flight deals from Sacramento to London
Discover tips and strategies to find the most affordable flight options for your journey from Sacramento (SMF) to London (LON). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated May 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $876 (Delta) |
One-way from | $329 (Justfly.com) |
Popular in | June |
Cheapest in | March |
Average price | $931 |
Cheapflights Fare Finder
Customize your flight search to find flights from Sacramento to London that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 3, 2026.
Use the filters below to find and compare flights from Sacramento to London that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
SacramentoLondon
SMF - LHR
SMFLHR
Sacramento Intl
Sat 9/5
4:14 pm-9:40 am
1 stop33h 26m
London Heathrow
Fri 9/11
5:40 pm-9:10 pm
1 stop35h 30m
$891
SacramentoLondon
SMF - LCY
SMFLCY
Sacramento Intl
Wed 9/16
8:09 am-12:35 pm
2 stops20h 26m
London City
Tue 10/13
9:15 am-10:35 pm
2 stops21h 20m
$983
SacramentoLondon
SMF - LHR
SMFLHR
Sacramento Intl
Tue 7/21
9:45 am-11:00 am
1 stop17h 15m
London Heathrow
Wed 8/12
10:55 am-11:45 pm
1 stop20h 50m
$994
SacramentoLondon
SMF - LCY
SMFLCY
Sacramento Intl
Sun 10/4
7:00 am-12:35 pm
2 stops21h 35m
London City
Sun 10/25
7:05 pm-10:35 pm
2 stops34h 30m
$1,034
SacramentoLondon
SMF - LHR
SMFLHR
Sacramento Intl
Mon 9/28
7:00 am-6:30 pm
2 stops27h 30m
London Heathrow
Mon 10/12
7:05 am-10:16 pm
3 stops23h 11m
$1,056
SacramentoLondon
SMF - LHR
SMFLHR
Sacramento Intl
Sat 7/11
7:03 pm-7:25 am
1 stop28h 22m
London Heathrow
Tue 7/28
5:40 pm-9:10 pm
1 stop35h 30m
$1,080
SacramentoLondon
SMF - LHR
SMFLHR
Sacramento Intl
Tue 7/14
2:24 pm-6:45 am
1 stop32h 21m
London Heathrow
Tue 7/28
5:40 pm-9:10 pm
1 stop35h 30m
$1,080
SacramentoLondon
SMF - LHR
SMFLHR
Sacramento Intl
Wed 7/8
1:00 pm-3:35 pm
1 stop18h 35m
London Heathrow
Tue 7/14
9:55 am-8:15 pm
1 stop18h 20m
$1,094
SacramentoLondon
SMF - LCY
SMFLCY
Sacramento Intl
Sat 10/10
9:20 am-1:45 pm
2 stops20h 25m
London City
Wed 10/28
9:15 am-10:35 pm
2 stops20h 20m
$1,142
SacramentoLondon
SMF - LGW
SMFLGW
Sacramento Intl
Mon 7/27
7:00 am-8:25 am
2 stops17h 25m
London Gatwick
Thu 8/27
9:25 am-10:22 pm
2 stops20h 57m
$1,145
Showing 1-10 of 60 resultsSorted by cheapest first
Compare providers for flights from Sacramento to London
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Sacramento to London in May.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Sacramento-London flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Sacramento-London flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Sacramento-London flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Sacramento-London flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Sacramento-London flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Sacramento to London
Have a flexible travel schedule? Discover the best time to fly to London from Sacramento with our price prediction graph.
SMF-LON
SMF-LHR
SMF-STN
SMF-LGW
SMF-LCY
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Sacramento to London
SMF-LON
SMF-LHR
SMF-STN
SMF-LGW
SMF-LCY
How far ahead should I book a flight from Sacramento to London?
The price you pay for your flight from Sacramento to London may vary depending on when you book. For the best chance of a lower fare, look to book 6 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Sacramento to London?
Currently, July is the cheapest month in which you can book a flight from Sacramento to London (average of $201). Flying from Sacramento to London in June is currently the most expensive (average of $880). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip from Sacramento to London?
Reviews of airlines servicing London
Get insights into the airlines that provide service to London. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to London. Reviews last updated May 3, 2026.
Read reviews from past customers who have flown Delta,United Airlines, andVirgin Atlantic from Sacramento to London. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.5
Comfort
7.9
Entertainment
7.8
Overall
7.9
Food
7.2
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Crew
8.5
Comfort
7.9
Entertainment
7.8
Overall
7.9
Food
7.2
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Crew
8.5
Comfort
7.9
Entertainment
7.8
Overall
7.9
Food
7.2
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Crew
8.5
Comfort
7.9
Entertainment
7.8
Overall
7.9
Food
7.2
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Crew
8.5
Comfort
7.9
Entertainment
7.8
Overall
7.9
Food
7.2
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Crew
8.5
Comfort
7.9
Entertainment
7.8
Overall
7.9
Food
7.2
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Related info for your journey
Find useful and relevant information for your journey from Sacramento to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near London?
Book flights to London if you plan to visit one of these locationsIlford
Hounslow
Winchester
Croydon
Gatwick
Southend-on-Sea
Harrow
Eastleigh
Dartford
Dover
Orpington
Watford
Borehamwood
Chipping Norton
Hayes
Kingston upon Thames
Eastbourne
Slough
Sutton
Stansted
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
London flight routes
Other flight options
Popular flights
Alternative routes for Sacramento to London
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to London by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Sacramento to London by cabin class
Find flights from Sacramento to London, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to London
Explore flights to London departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on May 3, 2026.
Sacramento and London flights
Browse other Sacramento and London flight options. Last updated on May 3, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 8 airlines flying from Sacramento to London
Discover the top 8 airlines that operate flights from Sacramento to London. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$599 | Average$900 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$615 | Average$1,011 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$624 | Average$869 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$624 | Average$969 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$625 | Average$941 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$625 | Average$980 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$678 | Average$1,026 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$743 | Average$973 | FlexibilityNo cancel fee | On-time62% |