$571+ Cheap flights from San Diego (SAN) to Heathrow (LHR)
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 7/7. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — LHR
Jul 14 — Jul 211
Round-trip
1 adult, Economy
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Find cheap flights from San Diego to Heathrow 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.Cheapflights Tip: The best prices from San Diego to London Heathrow are usually found in September or October, booked 34 days in advance, depart on a Wednesday or Saturday and return on a Tuesday
Cheap flight deals from San Diego to Heathrow
Cheapest
Best
Last-minute
One-way
Cheapest flights from San Diego to HeathrowExplore the most affordable flight options available from San Diego to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 14, 2026.
Explore the most affordable flight options available from San Diego to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 14, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/10. 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.
Thu 8/209:37 am
SAN
- LHR
2 stops18h 18m
Multiple Airlines
Sun 9/137:25 am
LHR
- SAN
1 stop16h 00m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$1,041
This Delta deal was found by Cheapflights users on 6/10. 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 8/271:34 pm
SAN
- LHR
1 stop16h 26m
Delta
Sat 9/56:30 am
LHR
- SAN
1 stop13h 20m
Delta
Deal found 6/10![Delta logo]()
$1,042
This Scandinavian Airlines deal was found by Cheapflights users on 6/10. 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.
Fri 9/257:00 am
SAN
- LHR
2 stops25h 00m
Scandinavian Airlines
Sat 10/36:40 am
LHR
- SAN
3 stops25h 02m
Scandinavian Airlines
Deal found 6/10![Scandinavian Airlines logo]()
$1,043
This Cheapflightsfares deal was found by Cheapflights users on 6/10. 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.
Wed 9/27:40 pm
SAN
- LHR
Nonstop10h 40m
British Airways
Mon 9/1411:35 am
LHR
- SAN
Nonstop11h 20m
British Airways
Deal found 6/10![British Airways logo]()
$1,044
This CheapOair deal was found by Cheapflights users on 6/11. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2712:30 pm
SAN
- LHR
1 stop15h 20m
Multiple Airlines
Sun 9/67:25 am
LHR
- SAN
1 stop16h 00m
Multiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$1,046
This FlightHub deal was found by Cheapflights users on 6/10. 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 8/233:05 pm
SAN
- LHR
1 stop13h 45m
British Airways
Mon 9/1411:35 am
LHR
- SAN
Nonstop11h 20m
British Airways
Deal found 6/10![British Airways logo]()
$1,048
This KAYAK deal was found by Cheapflights users on 6/14. 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.
Sat 8/112:30 pm
SAN
- LHR
1 stop36h 05m
Multiple Airlines
Mon 8/318:40 am
LHR
- SAN
2 stops19h 59m
Multiple Airlines
Deal found 6/14![Multiple Airlines logo]()
$1,049
This Cheapflightsfares deal was found by Cheapflights users on 6/10. 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.
Sat 8/14:45 pm
SAN
- LHR
Nonstop10h 45m
British Airways
Mon 8/312:30 pm
LHR
- SAN
Nonstop11h 20m
British Airways
Deal found 6/10![British Airways logo]()
$1,050
This British Airways deal was found by Cheapflights users on 6/10. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/197:40 pm
SAN
- LHR
Nonstop10h 40m
British Airways
Tue 9/152:30 pm
LHR
- SAN
Nonstop11h 20m
British Airways
Deal found 6/10![British Airways logo]()
$1,051
This Delta deal was found by Cheapflights users on 6/11. 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 8/273:00 pm
SAN
- LHR
1 stop18h 35m
Delta
Sun 9/611:45 am
LHR
- SAN
2 stops19h 11m
Delta
Deal found 6/11![Delta logo]()
$1,052
This British Airways deal was found by Cheapflights users on 6/9. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/317:00 pm
SAN
- LHR
Nonstop10h 40m
British Airways
Sat 11/1412:45 pm
LHR
- SAN
Nonstop11h 25m
British Airways
Deal found 6/9![British Airways logo]()
$1,053
This FlightHub deal was found by Cheapflights users on 6/10. 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 8/234:45 pm
SAN
- LHR
Nonstop10h 45m
British Airways
Sat 9/1210:05 am
LHR
- SAN
1 stop16h 11m
British Airways
Deal found 6/10![British Airways logo]()
$1,054
Best flights from San Diego to HeathrowDiscover carefully curated flight deals from San Diego to Heathrow that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 14, 2026.
Discover carefully curated flight deals from San Diego to Heathrow that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 14, 2026.
This British Airways deal was found by Cheapflights users on 6/12. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/77:40 pm
SAN
- LHR
Nonstop10h 40m
British Airways
Tue 9/152:30 pm
LHR
- SAN
Nonstop11h 20m
British Airways
Deal found 6/12![British Airways logo]()
$1,051
This Delta deal was found by Cheapflights users on 6/9. 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 11/246:20 am
SAN
- LHR
1 stop17h 30m
Delta
Mon 11/306:20 am
LHR
- SAN
2 stops20h 26m
Delta
Deal found 6/9![Delta logo]()
$1,074
This Scandinavian Airlines deal was found by Cheapflights users on 6/14. 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 8/1710:55 am
SAN
- LHR
2 stops26h 45m
Scandinavian Airlines
Wed 10/77:05 am
LHR
- SAN
3 stops24h 40m
Scandinavian Airlines
Deal found 6/14![Scandinavian Airlines logo]()
$1,103
This Lufthansa deal was found by Cheapflights users on 6/9. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/265:15 pm
SAN
- LHR
1 stop14h 25m
Lufthansa
Fri 8/77:25 am
LHR
- SAN
1 stop16h 00m
Lufthansa
Deal found 6/9![Lufthansa logo]()
$1,233
This Scandinavian Airlines deal was found by Cheapflights users on 6/11. 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 9/811:05 am
SAN
- LHR
2 stops22h 35m
Scandinavian Airlines
Fri 9/186:40 am
LHR
- SAN
3 stops20h 36m
Scandinavian Airlines
Deal found 6/11![Scandinavian Airlines logo]()
$1,106
This Scandinavian Airlines deal was found by Cheapflights users on 6/13. 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 9/1511:04 am
SAN
- LHR
2 stops23h 26m
Scandinavian Airlines
Wed 9/306:40 am
LHR
- SAN
3 stops25h 02m
Scandinavian Airlines
Deal found 6/13![Scandinavian Airlines logo]()
$1,106
This Scandinavian Airlines deal was found by Cheapflights users on 6/9. 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.
Thu 8/133:00 pm
SAN
- LHR
2 stops18h 40m
Scandinavian Airlines
Mon 8/247:05 am
LHR
- SAN
3 stops20h 14m
Scandinavian Airlines
Deal found 6/9![Scandinavian Airlines logo]()
$1,151
This Scandinavian Airlines deal was found by Cheapflights users on 6/10. 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.
Wed 9/210:55 am
SAN
- LHR
2 stops26h 45m
Scandinavian Airlines
Tue 9/87:05 am
LHR
- SAN
3 stops24h 38m
Scandinavian Airlines
Deal found 6/10![Scandinavian Airlines logo]()
$1,153
This Scandinavian Airlines deal was found by Cheapflights users on 6/13. 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.
Sun 9/137:00 am
SAN
- LHR
2 stops25h 00m
Scandinavian Airlines
Sun 9/276:40 am
LHR
- SAN
3 stops25h 02m
Scandinavian Airlines
Deal found 6/13![Scandinavian Airlines logo]()
$1,206
This Scandinavian Airlines deal was found by Cheapflights users on 6/11. 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.
Wed 9/210:55 am
SAN
- LHR
2 stops26h 45m
Scandinavian Airlines
Wed 9/167:05 am
LHR
- SAN
3 stops24h 37m
Scandinavian Airlines
Deal found 6/11![Scandinavian Airlines logo]()
$1,223
This Scandinavian Airlines deal was found by Cheapflights users on 6/12. 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 7/77:03 am
SAN
- LHR
2 stops26h 37m
Scandinavian Airlines
Fri 7/177:05 am
LHR
- SAN
3 stops24h 38m
Scandinavian Airlines
Deal found 6/12![Scandinavian Airlines logo]()
$1,253
Last-minute flights from San Diego to HeathrowDiscover last-minute flight deals from San Diego to Heathrow. Data last updated June 14, 2026 and is based on user searches.
Discover last-minute flight deals from San Diego to Heathrow. Data last updated June 14, 2026 and is based on user searches.
This Travelocity deal was found by Cheapflights users on 6/13. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/28:44 pm
SAN
- LHR
1 stop16h 01m
JetBlue
Thu 7/98:40 am
LHR
- SAN
1 stop32h 29m
JetBlue
Deal found 6/13![JetBlue logo]()
$1,115
This Expedia deal was found by Cheapflights users on 6/9. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/48:40 pm
SAN
- LHR
1 stop25h 50m
JetBlue
Thu 7/98:40 am
LHR
- SAN
1 stop32h 29m
JetBlue
Deal found 6/9![JetBlue logo]()
$1,087
This Cheapflightsfares deal was found by Cheapflights users on 6/14. 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.
Sun 7/1910:49 am
SAN
- LHR
2 stops19h 51m
Lufthansa
Tue 8/187:25 am
LHR
- SAN
1 stop16h 00m
Lufthansa
Deal found 6/14![Lufthansa logo]()
$1,079
This Cheapflightsfares deal was found by Cheapflights users on 6/12. 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.
Sun 7/194:45 pm
SAN
- LHR
Nonstop10h 45m
British Airways
Tue 8/1811:35 am
LHR
- SAN
Nonstop11h 20m
British Airways
Deal found 6/12![British Airways logo]()
$1,080
This American Airlines deal was found by Cheapflights users on 6/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/199:50 am
SAN
- LHR
1 stop15h 10m
American Airlines
Tue 8/1811:35 am
LHR
- SAN
Nonstop11h 20m
American Airlines
Deal found 6/12![American Airlines logo]()
$1,114
This Gotogate deal was found by Cheapflights users on 6/12. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2012:30 pm
SAN
- LHR
1 stop13h 05m
Multiple Airlines
Mon 8/171:35 pm
LHR
- SAN
1 stop33h 50m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$1,088
This SWISS deal was found by Cheapflights users on 6/12. 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 7/206:40 am
SAN
- LHR
2 stops17h 15m
SWISS
Mon 8/178:05 pm
LHR
- SAN
2 stops30h 25m
SWISS
Deal found 6/12![SWISS logo]()
$1,105
This Justfly.com deal was found by Cheapflights users on 6/14. 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.
Tue 7/288:30 pm
SAN
- LHR
1 stop16h 15m
JetBlue
Tue 8/48:40 am
LHR
- SAN
1 stop32h 29m
JetBlue
Deal found 6/14![JetBlue logo]()
$1,102
This Air Canada deal was found by Cheapflights users on 6/12. 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.
Wed 7/298:15 am
SAN
- LHR
2 stops19h 35m
Air Canada
Wed 8/123:05 pm
LHR
- SAN
2 stops29h 08m
Air Canada
Deal found 6/12![Air Canada logo]()
$1,096
This JetBlue deal was found by Cheapflights users on 6/12. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/308:30 pm
SAN
- LHR
1 stop16h 15m
JetBlue
Fri 8/148:15 am
LHR
- SAN
1 stop18h 45m
JetBlue
Deal found 6/12![JetBlue logo]()
$1,094
This KAYAK deal was found by Cheapflights users on 6/13. 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.
Fri 7/318:40 pm
SAN
- LHR
1 stop25h 50m
JetBlue
Fri 8/148:40 am
LHR
- SAN
1 stop18h 48m
JetBlue
Deal found 6/13![JetBlue logo]()
$1,100
One-way flights from San Diego to HeathrowSearch for one-way flight options from San Diego to Heathrow. Find affordable one-way fares based on user searches. Data last updated June 14, 2026.
Search for one-way flight options from San Diego to Heathrow. Find affordable one-way fares based on user searches. Data last updated June 14, 2026.
This Thrive Travel deal was found by Cheapflights users on 6/12. 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 Thrive Travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/74:09 pm
SAN
- LHR
1 stop14h 01m
Lufthansa
Deal found 6/12![Lufthansa logo]()
$571
This Kiwi.com deal was found by Cheapflights users on 6/13. 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.
Sun 7/128:51 pm
SAN
- LHR
3 stops31h 04m
Multiple Airlines
Deal found 6/13![Multiple Airlines logo]()
$578
This Kiwi.com deal was found by Cheapflights users on 6/12. 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.
Wed 8/1210:10 am
SAN
- LHR
3 stops21h 50m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$581
This Kiwi.com deal was found by Cheapflights users on 6/13. 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.
Fri 7/108:52 pm
SAN
- LHR
2 stops32h 38m
Multiple Airlines
Deal found 6/13![Multiple Airlines logo]()
$583
This TAP AIR PORTUGAL deal was found by Cheapflights users on 6/11. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/228:20 pm
SAN
- LHR
3 stops37h 25m
Multiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$585
This Thrive Travel deal was found by Cheapflights users on 6/10. 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 Thrive Travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/77:40 pm
SAN
- LHR
Nonstop10h 40m
Finnair
Deal found 6/10![Finnair logo]()
$588
This Super.com deal was found by Cheapflights users on 6/11. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/88:30 pm
SAN
- LHR
1 stop16h 15m
JetBlue
Deal found 6/11![JetBlue logo]()
$589
This Kiwi.com deal was found by Cheapflights users on 6/11. 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.
Thu 7/910:04 am
SAN
- LHR
2 stops21h 36m
Multiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$592
This Thrive Travel deal was found by Cheapflights users on 6/10. 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 Thrive Travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/217:40 pm
SAN
- LHR
Nonstop10h 40m
Finnair
Deal found 6/10![Finnair logo]()
$593
This United Airlines deal was found by Cheapflights users on 6/12. 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 8/127:00 am
SAN
- LHR
1 stop19h 00m
United Airlines
Deal found 6/12![United Airlines logo]()
$595
Find flight deals from San Diego to Heathrow
Discover tips and strategies to find the most affordable flight options for your journey from San Diego (SAN) to Heathrow (LHR). 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 June 14, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,041 (Kiwi.com) |
One-way from | $571 (Thrive Travel) |
Popular in | June |
Cheapest in | September |
Average price | $1,482 |
Good round-trip deal | $950 or less |
Good one-way deal | $393 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from San Diego to Heathrow 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 June 14, 2026.
Use the filters below to find and compare flights from San Diego to London Heathrow Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
San DiegoLondon
SAN - LHR
SANLHR
San Diego
Mon 9/7
7:40 pm-2:20 pm
Nonstop10h 40m
London Heathrow
Tue 9/15
2:30 pm-5:50 pm
Nonstop11h 20m
$1,051
San DiegoLondon
SAN - LHR
SANLHR
San Diego
Tue 11/24
6:20 am-7:50 am
1 stop17h 30m
London Heathrow
Mon 11/30
6:20 am-6:46 pm
2 stops20h 26m
$1,074
San DiegoLondon
SAN - LHR
SANLHR
San Diego
Mon 8/17
10:55 am-9:40 pm
2 stops26h 45m
London Heathrow
Wed 10/7
7:05 am-11:45 pm
3 stops24h 40m
$1,103
San DiegoLondon
SAN - LHR
SANLHR
San Diego
Tue 9/8
11:05 am-5:40 pm
2 stops22h 35m
London Heathrow
Fri 9/18
6:40 am-7:16 pm
3 stops20h 36m
$1,106
San DiegoLondon
SAN - LHR
SANLHR
San Diego
Tue 9/15
11:04 am-6:30 pm
2 stops23h 26m
London Heathrow
Wed 9/30
6:40 am-11:42 pm
3 stops25h 02m
$1,106
San DiegoLondon
SAN - LHR
SANLHR
San Diego
Thu 8/13
3:00 pm-5:40 pm
2 stops18h 40m
London Heathrow
Mon 8/24
7:05 am-7:19 pm
3 stops20h 14m
$1,151
San DiegoLondon
SAN - LHR
SANLHR
San Diego
Wed 9/2
10:55 am-9:40 pm
2 stops26h 45m
London Heathrow
Tue 9/8
7:05 am-11:43 pm
3 stops24h 38m
$1,153
San DiegoLondon
SAN - LHR
SANLHR
San Diego
Sun 9/13
7:00 am-4:00 pm
2 stops25h 00m
London Heathrow
Sun 9/27
6:40 am-11:42 pm
3 stops25h 02m
$1,206
San DiegoLondon
SAN - LHR
SANLHR
San Diego
Wed 9/2
10:55 am-9:40 pm
2 stops26h 45m
London Heathrow
Wed 9/16
7:05 am-11:42 pm
3 stops24h 37m
$1,223
San DiegoLondon
SAN - LHR
SANLHR
San Diego
Sun 7/26
5:15 pm-3:40 pm
1 stop14h 25m
London Heathrow
Fri 8/7
7:25 am-3:25 pm
1 stop16h 00m
$1,233
Showing 1-10 of 23 resultsSorted by cheapest first
Compare providers for flights from San Diego to Heathrow
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 San Diego to Heathrow in June.
| 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 Accuracy- | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on San Diego-London Heathrow Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Diego-London Heathrow Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Diego-London Heathrow Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on San Diego-London Heathrow Airport 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 San Diego-London Heathrow Airport 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 San Diego to Heathrow
Have a flexible travel schedule? Discover the best time to fly to Heathrow from San Diego with our price prediction graph.
SAN-LHR
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 San Diego to London Heathrow Airport
Prices
Airlines
How far ahead should I book a flight from San Diego to London Heathrow Airport?
The price you pay for your flight from San Diego to London Heathrow Airport may vary depending on when you book. For the best chance of a lower fare, look to book 33 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 San Diego to London Heathrow Airport?
Currently, September is the cheapest month in which you can book a flight from San Diego to London Heathrow Airport (average of $752). Flying from San Diego to London Heathrow Airport in June is currently the most expensive (average of $1,482). 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.
What is the cheapest time of day to fly from SAN to LHR?
Find hourly flight availability from San Diego to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 14, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from San Diego to London Heathrow Airport as you normally would.
The best insider tips for San Diego to London Heathrow Airport flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your San Diego to London Heathrow Airport trip
Our travel experts
Reviews of airlines servicing Heathrow
Get insights into the airlines that provide service to Heathrow. 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 Heathrow. Reviews last updated June 14, 2026.
Read reviews from past customers who have flown Delta,United Airlines, andAmerican Airlines from San Diego to London Heathrow Airport. 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.
Boarding
8.1
Overall
7.9
Crew
8.5
Food
7.2
Comfort
7.8
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Boarding
8.1
Overall
7.9
Crew
8.5
Food
7.2
Comfort
7.8
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Boarding
8.1
Overall
7.9
Crew
8.5
Food
7.2
Comfort
7.8
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Boarding
8.1
Overall
7.9
Crew
8.5
Food
7.2
Comfort
7.8
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Boarding
8.1
Overall
7.9
Crew
8.5
Food
7.2
Comfort
7.8
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Boarding
8.1
Overall
7.9
Crew
8.5
Food
7.2
Comfort
7.8
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Related info for your journey
Find useful and relevant information for your journey from San Diego to Heathrow. 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 Heathrow Airport?
Book flights to London Heathrow Airport if you plan to visit one of these locationsIlford
Dorking
Hounslow
Winchester
Croydon
Gatwick
Southend-on-Sea
Wembley
Harrow
Eastleigh
Dartford
Dover
Orpington
Watford
Northampton
Chipping Norton
Hayes
Kingston upon Thames
Eastbourne
Slough
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for San Diego to Heathrow
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Complete your trip
Complete your trip to Heathrow by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from San Diego to Heathrow by cabin class
Find flights from San Diego to Heathrow, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Heathrow
Explore flights to Heathrow departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on June 14, 2026.
San Diego and Heathrow flights
Browse other San Diego and Heathrow flight options. Last updated on June 14, 2026.
Other flights from San Diego
Browse through other flights departing from San Diego. Flights are based on user searches made on Cheapflights and were last updated on June 14, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 10 airlines flying from San Diego to Heathrow
Discover the top 10 airlines that operate flights from San Diego to Heathrow. 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 June 14, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$181 | Average$1,178 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$552 | Average$969 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$567 | Average$941 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$572 | Average$890 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$577 | Average$773 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$578 | Average$706 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$593 | Average$949 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$621 | Average$888 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$623 | Average$685 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$888 | Average$894 | FlexibilityNo cancel fee | On-time75% |