London

$219+ 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 5/13. Fares are subject to change and may not be available on all flights or dates of travel.
SMF — LON
Feb 19 — Feb 261
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Cheap flight deals from Sacramento to London

Cheapest flights from Sacramento to London
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 January 20, 2026.

This Gotogate deal was found by Cheapflights users on 1/20. 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.
Sun 2/112:30 pm
SMF
-
LHR
1 stop15h 20m
Air Canada
Tue 2/172:30 pm
LHR
-
SMF
1 stop29h 22m
Air Canada
Deal found 1/20$566
This Cheapflightsfares deal was found by Cheapflights users on 1/18. 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.
Tue 4/211:00 pm
SMF
-
LHR
1 stop16h 20m
Lufthansa
Thu 5/149:00 am
LHR
-
SMF
2 stops22h 00m
Lufthansa
Deal found 1/18$578
This Cheapflightsfares deal was found by Cheapflights users on 1/18. 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 4/191:00 pm
SMF
-
LHR
1 stop16h 20m
Lufthansa
Thu 5/76:55 am
LHR
-
SMF
2 stops21h 47m
Lufthansa
Deal found 1/18$579
This Cheapflightsfares deal was found by Cheapflights users on 1/17. 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.
Tue 4/211:00 pm
SMF
-
LHR
1 stop16h 20m
Lufthansa
Tue 5/53:05 pm
LHR
-
SMF
1 stop15h 55m
Lufthansa
Deal found 1/17$582
This Mytrip deal was found by Cheapflights users on 1/19. 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.
Tue 2/1712:30 pm
SMF
-
LHR
1 stop15h 20m
Air Canada
Tue 2/241:25 pm
LHR
-
SMF
2 stops36h 59m
Air Canada
Deal found 1/19$583
This Mytrip deal was found by Cheapflights users on 1/17. 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.
Tue 4/211:00 pm
SMF
-
LHR
2 stops14h 50m
Multiple Airlines
Fri 5/110:15 am
LHR
-
SMF
2 stops20h 45m
Multiple Airlines
Deal found 1/17$584
This United Airlines deal was found by Cheapflights users on 1/19. 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 2/174:11 pm
SMF
-
LHR
1 stop33h 29m
United Airlines
Tue 2/242:30 pm
LHR
-
SMF
1 stop29h 22m
United Airlines
Deal found 1/19$586
This United Airlines deal was found by Cheapflights users on 1/18. 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 3/45:00 am
SMF
-
LHR
1 stop20h 40m
United Airlines
Wed 3/111:25 pm
LHR
-
SMF
2 stops40h 14m
United Airlines
Deal found 1/18$588
This oojo deal was found by Cheapflights users on 1/19. 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 2/178:18 am
SMF
-
LGW
2 stops20h 07m
British Airways
Tue 2/244:10 pm
LGW
-
SMF
2 stops39h 05m
British Airways
Deal found 1/19$589
This Mytrip deal was found by Cheapflights users on 1/18. 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.
Mon 3/912:30 pm
SMF
-
LHR
2 stops38h 40m
Air Canada
Thu 3/193:00 pm
LHR
-
SMF
2 stops51h 52m
Air Canada
Deal found 1/18$593
This Air Canada deal was found by Cheapflights users on 1/20. 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 4/191:00 pm
SMF
-
LHR
2 stops37h 00m
Air Canada
Thu 5/78:40 am
LHR
-
SMF
2 stops22h 20m
Air Canada
Deal found 1/20$595
This American Airlines deal was found by Cheapflights users on 1/19. 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 2/16:00 am
SMF
-
LGW
2 stops19h 00m
American Airlines
Sat 2/2812:30 pm
LGW
-
SMF
2 stops32h 49m
American Airlines
Deal found 1/19$634

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 January 20, 2026.

Most accurate provider

Gotogate
3 stars

Most trusted provider

Gotogate
3 stars

Round-trip from

$566
(Gotogate)

One-way from

$219
(United Airlines)

Popular in

June

Cheapest in

February

Average price

$872
Provider with most accurate pricing for Sacramento Intl-London (LON) flight deals.
Provider most trusted by Cheapflights users for Sacramento Intl-London (LON) flights.
From Sacramento Intl to London (LON)
One-way flight from Sacramento Intl to London (LON)
Highest demand for flights based on searches. 21% potential increase in price ($248 potential increase over avg. RT price).
Cheapest flight prices on average. 5% potential price decrease ($43 potential savings vs. average RT price).
Average for round-trip flights in January 2026

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 January 20, 2026.
Use the filters below to find and compare flights from Sacramento to London that are best for you.

Fly from

Sacramento

Fly to

London

Route

Depart

Return

Price

SacramentoLondon

SMF - LGW

SMFLGW

Sacramento Intl

Tue 3/3

8:18 am-12:25 pm

2 stops20h 07m

London Gatwick

Tue 3/10

4:10 pm-7:50 pm

2 stops34h 40m

$589

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Mon 2/16

12:30 pm-11:50 am

1 stop15h 20m

London Heathrow

Sun 2/22

1:45 pm-10:15 pm

2 stops40h 30m

$600

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Sat 5/9

4:00 pm-9:40 am

1 stop33h 40m

London Heathrow

Thu 5/21

3:00 pm-3:20 pm

1 stop32h 20m

$602

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Mon 3/9

12:30 pm-11:50 am

1 stop16h 20m

London Heathrow

Thu 3/19

12:05 pm-10:30 pm

1 stop17h 25m

$604

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Wed 2/25

5:00 am-9:40 am

1 stop20h 40m

London Heathrow

Sun 3/1

9:00 am-7:41 pm

2 stops18h 41m

$605

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Tue 2/17

1:07 pm-9:40 am

1 stop12h 33m

London Heathrow

Sat 2/28

6:35 am-10:08 am

2 stops35h 33m

$605

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Thu 3/5

12:30 pm-10:10 am

2 stops37h 40m

London Heathrow

Thu 3/12

3:00 pm-11:52 am

2 stops27h 52m

$618

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Fri 3/6

12:30 pm-11:50 am

1 stop15h 20m

London Heathrow

Fri 3/13

2:30 pm-11:52 am

1 stop28h 22m

$618

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Thu 3/12

8:29 pm-7:25 am

1 stop27h 56m

London Heathrow

Tue 3/17

6:35 am-9:05 pm

2 stops21h 30m

$621

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Mon 3/30

1:00 pm-1:20 pm

1 stop16h 20m

London Heathrow

Tue 4/7

1:05 pm-11:57 pm

2 stops18h 52m

$624

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/19

Showing 1-10 of 60 results
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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 January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars
GotogatePrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Sacramento-London flights, users find the pricing of Gotogate to be most consistent on Cheapflights vs. Gotogate Users can find the same prices on Sacramento-London flight deals on Cheapflights vs. Gotogate >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 Gotogate the most. Gotogate 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.
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

How far ahead should I book a flight from Sacramento to London?

Use this chart to determine the optimal time to book a round-trip flight from Sacramento to London. Price data was last updated on January 16, 2026.

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 7 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, October is the cheapest month in which you can book a flight from Sacramento to London (average of $497). Flying from Sacramento to London in June is currently the most expensive (average of $807). 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 January 20, 2026.
Read reviews from past customers who have flown Delta, Virgin Atlantic, and United Airlines 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.

Boarding

8.1

Crew

8.5

Food

7.2

Overall

7.9

Comfort

7.9

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Boarding

8.1

Crew

8.5

Food

7.2

Overall

7.9

Comfort

7.9

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Boarding

8.1

Crew

8.5

Food

7.2

Overall

7.9

Comfort

7.9

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Boarding

8.1

Crew

8.5

Food

7.2

Overall

7.9

Comfort

7.9

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Boarding

8.1

Crew

8.5

Food

7.2

Overall

7.9

Comfort

7.9

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Boarding

8.1

Crew

8.5

Food

7.2

Overall

7.9

Comfort

7.9

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.
  • What airport do you fly from for flights from Sacramento to London?

    If you book a flight to London from Sacramento, you will be flying from Sacramento Intl, which is the city’s only airport. Sacramento Intl (SMF) is located 9.4 mi from the center of Sacramento. There are 0 flights from Sacramento Intl to London per day from 8 different airlines.

  • How long is the flight from Sacramento to London?

    Airlines like British Airways, United Airlines, and American Airlines fly from Sacramento to London in about 15h 20m. The time it takes to get you to your destination can typically vary by up to 4h 47m. There are 5265 mi between Sacramento and London. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Sacramento to London round-trip?

    Virgin Atlantic, at $599, was found to be the cheapest airline from Sacramento to London.Alternate airlines to your destination round-trip include Air Canada and Lufthansa. Virgin Atlantic is 33% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Sacramento to London one-way?

    For one-way options, check prices for American Airlines. According to our data, you can fly for as low as $222. Users have also found prices from $222 and $223 on Delta and British Airways, respectively.

  • What are the most popular routes from Sacramento to London?

  • Can I find deals for flights from Sacramento to London that include hotel bookings?

    Yes. In addition to deals on Sacramento to London flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Sacramento to London?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sacramento to London.

  • Can I find deals for business class flights from Sacramento to London?

    Yes. Cheapflights offers flight deals from Sacramento to London by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Sacramento to London?

    Currently, October is the cheapest month in which you can book a flight from Sacramento to London (average of $497). Flying from Sacramento to London in June is currently the most expensive (average of $807). 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.

See more FAQs

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Ilford
Hounslow
Southend-on-Sea
Harrow
Croydon
Eastleigh
Gatwick
Dartford
Dover
Winchester
Orpington
Watford
Hayes
Borehamwood
Aylesbury
Chipping Norton
Horley
Kingston upon Thames
Eastbourne
Sutton

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Alternative routes for Sacramento to London

See prices for flight routes from nearby airports that may be better suited for you.

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 January 20, 2026.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest$599Average$900FlexibilityNo cancel feeOn-time72%
Air CanadaCheapest$615Average$1,029FlexibilityNo cancel feeOn-time67%
LufthansaCheapest$624Average$1,192FlexibilityNo cancel feeOn-time76%
DeltaCheapest$646Average$955FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$657Average$956FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$679Average$994FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$680Average$1,062FlexibilityNo cancel feeOn-time71%
JetBlueCheapest$743Average$1,058FlexibilityNo cancel feeOn-time62%

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