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$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 4/25. Fares are subject to change and may not be available on all flights or dates of travel.
SMF — LON
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
1 adult, Economy
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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 27, 2026.

This Cheapflightsfares deal was found by Cheapflights users on 1/26. 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.
Thu 2/261:49 pm
SMF
-
LHR
2 stops21h 46m
Lufthansa
Fri 3/66:35 am
LHR
-
SMF
2 stops21h 51m
Lufthansa
Deal found 1/26$609
This Cheapflightsfares deal was found by Cheapflights users on 1/26. 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 5/57:25 am
LHR
-
SMF
2 stops21h 17m
Lufthansa
Deal found 1/26$611
This Cheapflightsfares deal was found by Cheapflights users on 1/26. 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 4/291:00 pm
SMF
-
LHR
1 stop16h 20m
Lufthansa
Wed 5/69:30 am
LHR
-
SMF
2 stops21h 30m
Lufthansa
Deal found 1/26$612
This Cheapflightsfares deal was found by Cheapflights users on 1/27. 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 5/77:25 am
LHR
-
SMF
2 stops21h 17m
Lufthansa
Deal found 1/27$614
This Gotogate deal was found by Cheapflights users on 1/24. 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 5/116:45 am
SMF
-
LHR
2 stops21h 05m
Multiple Airlines
Tue 5/196:30 am
LHR
-
SMF
2 stops16h 50m
Multiple Airlines
Deal found 1/24$617
This Gotogate deal was found by Cheapflights users on 1/26. 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.
Wed 3/47:08 am
SMF
-
LHR
2 stops18h 12m
Multiple Airlines
Wed 3/117:40 am
LHR
-
SMF
2 stops20h 11m
Multiple Airlines
Deal found 1/26$621
This Booking.com deal was found by Cheapflights users on 1/25. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1812:30 pm
SMF
-
LHR
2 stops35h 40m
Multiple Airlines
Tue 3/246:35 am
LHR
-
SMF
2 stops20h 51m
Multiple Airlines
Deal found 1/25$625
This United Airlines deal was found by Cheapflights users on 1/26. 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 2/2512:30 pm
SMF
-
LHR
1 stop15h 20m
United Airlines
Wed 3/46:35 am
LHR
-
SMF
2 stops22h 30m
United Airlines
Deal found 1/26$626
This oojo deal was found by Cheapflights users on 1/25. 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.
Wed 4/226:00 am
SMF
-
LCY
2 stops23h 10m
British Airways
Wed 5/611:00 am
LCY
-
SMF
2 stops42h 14m
British Airways
Deal found 1/25$688
This Cheapflightsfares deal was found by Cheapflights users on 1/25. 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 4/2911:18 am
SMF
-
LCY
2 stops22h 37m
Lufthansa
Wed 5/69:15 am
LCY
-
SMF
2 stops21h 45m
Lufthansa
Deal found 1/25$726
This Iberia deal was found by Cheapflights users on 1/26. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/258:18 am
SMF
-
LCY
2 stops21h 47m
Iberia
Wed 3/47:50 am
LCY
-
SMF
2 stops20h 11m
Iberia
Deal found 1/26$739
This Cheapflightsfares deal was found by Cheapflights users on 1/26. 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.
Thu 2/261:07 pm
SMF
-
LCY
2 stops20h 33m
Lufthansa
Mon 3/29:50 am
LCY
-
SMF
2 stops17h 51m
Lufthansa
Deal found 1/26$743

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 27, 2026.

Most accurate provider

Gotogate
3 stars

Most trusted provider

Gotogate
3 stars

Round-trip from

$609
(Cheapflightsfares)

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.
Search Deals
Provider most trusted by Cheapflights users for Sacramento Intl-London (LON) flights.
Search Deals
From Sacramento Intl to London (LON)
Search Deals
One-way flight from Sacramento Intl to London (LON)
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($248 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($43 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 27, 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 - LHR

SMFLHR

Sacramento Intl

Tue 3/3

4:41 pm-12:00 pm

1 stop35h 19m

London Heathrow

Tue 3/10

2:30 pm-11:52 am

1 stop28h 22m

$631

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Thu 3/12

9:10 am-10:55 am

1 stop18h 45m

London Heathrow

Tue 3/17

6:30 am-8:33 pm

2 stops21h 03m

$631

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Tue 4/28

4:00 pm-10:10 am

1 stop34h 10m

London Heathrow

Tue 5/5

3:05 pm-3:20 pm

1 stop32h 15m

$647

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Tue 4/21

10:00 am-1:15 pm

2 stops19h 15m

London Heathrow

Thu 5/14

6:30 am-4:28 pm

2 stops17h 58m

$651

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Wed 2/25

12:30 pm-11:50 am

1 stop15h 20m

London Heathrow

Wed 3/4

7:40 am-6:24 pm

1 stop18h 44m

$654

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Wed 5/6

4:00 pm-12:20 pm

1 stop12h 20m

London Heathrow

Wed 10/7

3:05 pm-11:48 pm

1 stop16h 43m

$670

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Sat 3/21

11:35 am-11:55 am

1 stop17h 20m

London Heathrow

Thu 4/2

8:40 am-9:58 pm

2 stops21h 18m

$681

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Mon 3/23

8:59 pm-4:50 pm

1 stop12h 51m

London Heathrow

Wed 4/1

6:30 am-7:09 pm

2 stops20h 39m

$681

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Thu 4/30

7:00 am-2:00 pm

1 stop23h 00m

London Heathrow

Tue 5/5

9:55 am-8:15 pm

2 stops18h 20m

$696

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Sat 3/21

7:31 am-7:25 am

1 stop16h 54m

London Heathrow

Thu 4/2

2:10 pm-10:43 pm

1 stop16h 33m

$710

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/25

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
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 23, 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 $803). 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 27, 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.
Delta
7.9
Good
8,123 reviews

Entertainment

7.8

Crew

8.5

Food

7.2

Overall

7.9

Comfort

7.9

Boarding

8.1

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.
Delta
7.9
Good
8,123 reviews
Delta
7.9
Good
8,123 reviews

Entertainment

7.8

Crew

8.5

Food

7.2

Overall

7.9

Comfort

7.9

Boarding

8.1

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.
Virgin Atlantic
7.5
Good
678 reviews
Delta
7.9
Good
8,123 reviews

Entertainment

7.8

Crew

8.5

Food

7.2

Overall

7.9

Comfort

7.9

Boarding

8.1

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.
United Airlines
7.4
Good
9,207 reviews
Delta
7.9
Good
8,123 reviews

Entertainment

7.8

Crew

8.5

Food

7.2

Overall

7.9

Comfort

7.9

Boarding

8.1

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.
American Airlines
7.2
Good
11,200 reviews
Delta
7.9
Good
8,123 reviews

Entertainment

7.8

Crew

8.5

Food

7.2

Overall

7.9

Comfort

7.9

Boarding

8.1

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.
JetBlue
7.2
Good
2,890 reviews
Delta
7.9
Good
8,123 reviews

Entertainment

7.8

Crew

8.5

Food

7.2

Overall

7.9

Comfort

7.9

Boarding

8.1

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 7 different airlines.

  • How long is the flight from Sacramento to London?

    Airlines like United Airlines, Delta, and Lufthansa fly from Sacramento to London in about 18h 45m. The time it takes to get you to your destination can typically vary by up to 16h 34m. 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 Lufthansa and Delta. Virgin Atlantic is 32% 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?

    When deciding which route to take from Sacramento to London consider Sacramento Intl - London Heathrow, Sacramento Intl - London Gatwick or Sacramento Intl - London City as they are the most popular.

  • 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 $803). 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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Top 7 airlines flying from Sacramento to London

Discover the top 7 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 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest$599Average$889FlexibilityNo cancel feeOn-time72%
LufthansaCheapest$624Average$1,097FlexibilityNo cancel feeOn-time76%
DeltaCheapest$630Average$955FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$646Average$938FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$678Average$1,004FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$679Average$982FlexibilityNo cancel feeOn-time70%
JetBlueCheapest$743Average$1,058FlexibilityNo cancel feeOn-time62%

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