London

$247+ 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 3/17. Fares are subject to change and may not be available on all flights or dates of travel.
SMF — LON
Feb 25 — Mar 41
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The best prices from Sacramento Intl to London are usually found in April or October, booked 46 days in advance, depart on a Tuesday or Sunday and return on a Tuesday

Cheap 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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$655
(Mytrip)

One-way from

$247
(Norse)

Popular in

December

Cheapest in

April

Average price

$824
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. 12% potential increase in price ($136 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($35 potential savings vs. average RT price).
Average for round-trip flights in February 2025

Find 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 February 20, 2025.

This Mytrip deal was found by Cheapflights users on 2/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/303:22 pmSMF - LGW
2 stops30h 58mMultiple Airlines
Wed 5/710:45 amLGW - SMF
2 stops21h 11mMultiple Airlines
Deal found 2/20$655
This Gotogate deal was found by Cheapflights users on 2/20. 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.
Mon 3/174:05 pmSMF - LHR
2 stops58h 15mMultiple Airlines
Tue 4/17:25 amLHR - SMF
2 stops40h 23mMultiple Airlines
Deal found 2/20$656
This United deal was found by Cheapflights users on 2/20. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/14:05 pmSMF - LHR
1 stop13h 15mUnited Airlines
Thu 4/249:30 amLHR - SMF
2 stops43h 18mUnited Airlines
Deal found 2/20$675
This oojo deal was found by Cheapflights users on 2/20. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/177:30 amSMF - LHR
1 stop16h 50mBritish Airways
Tue 4/110:20 amLHR - SMF
2 stops39h 14mBritish Airways
Deal found 2/20$679
This Scandinavian Airlines deal was found by Cheapflights users on 2/20. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/29:16 amSMF - LHR
2 stops25h 14mScandinavian Airlines
Thu 3/2010:20 amLHR - SMF
2 stops20h 08mScandinavian Airlines
Deal found 2/20$690
This Air Canada deal was found by Cheapflights users on 2/19. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/74:05 pmSMF - LHR
1 stop13h 15mAir Canada
Fri 4/182:10 pmLHR - SMF
2 stops27h 16mAir Canada
Deal found 2/19$698
This Virgin Atlantic deal was found by Cheapflights users on 2/19. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/1411:07 amSMF - LHR
1 stop15h 13mVirgin Atlantic
Sat 3/221:05 pmLHR - SMF
1 stop15h 43mVirgin Atlantic
Deal found 2/19$800
This Gotogate deal was found by Cheapflights users on 2/19. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1910:39 amSMF - LCY
2 stops23h 01mLufthansa
Sun 3/235:15 pmLCY - SMF
2 stops34h 55mLufthansa
Deal found 2/19$800
This JetBlue deal was found by Cheapflights users on 2/19. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/2411:09 pmSMF - LHR
1 stop13h 36mJetBlue
Sat 9/68:15 amLHR - SMF
1 stop22h 00mJetBlue
Deal found 2/19$819
This oojo deal was found by Cheapflights users on 2/18. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/207:30 amSMF - LCY
2 stops20h 20mBritish Airways
Thu 3/272:45 pmLCY - SMF
2 stops39h 23mBritish Airways
Deal found 2/18$844
This Iberia deal was found by Cheapflights users on 2/20. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/198:22 amSMF - LHR
1 stop16h 38mIberia
Thu 8/286:15 amLHR - SMF
2 stops22h 04mIberia
Deal found 2/20$856
This Delta deal was found by Cheapflights users on 2/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1911:10 amSMF - LHR
1 stop14h 50mDelta
Thu 8/286:30 amLHR - SMF
2 stops19h 57mDelta
Deal found 2/19$861

Find flights from Sacramento to London within your budget

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 February 20, 2025.

Fly from

Sacramento

Fly to

London

Route

Depart

Return

Price

SacramentoLondon

SMF - LGW

SMFLGW

Sacramento Intl

Wed 4/30

3:22 pm-6:20 am

2 stops30h 58m

London Gatwick

Wed 5/7

10:45 am-11:56 pm

2 stops21h 11m

$655

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Mon 3/17

4:05 pm-9:20 am

2 stops58h 15m

London Heathrow

Tue 4/1

7:25 am-3:48 pm

2 stops40h 23m

$656

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Tue 4/1

4:05 pm-1:20 pm

1 stop13h 15m

London Heathrow

Thu 4/24

9:30 am-8:48 pm

2 stops43h 18m

$675

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Mon 3/17

7:30 am-7:20 am

1 stop16h 50m

London Heathrow

Tue 4/1

10:20 am-5:34 pm

2 stops39h 14m

$679

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Sun 3/2

9:16 am-6:30 pm

2 stops25h 14m

London Heathrow

Thu 3/20

10:20 am-11:28 pm

2 stops20h 08m

$690

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Mon 4/7

4:05 pm-1:20 pm

1 stop13h 15m

London Heathrow

Fri 4/18

2:10 pm-9:26 am

2 stops27h 16m

$698

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Fri 3/14

11:07 am-9:20 am

1 stop15h 13m

London Heathrow

Sat 3/22

1:05 pm-9:48 pm

1 stop15h 43m

$800

SacramentoLondon

SMF - LCY

SMFLCY

Sacramento Intl

Wed 3/19

10:39 am-4:40 pm

2 stops23h 01m

London City

Sun 3/23

5:15 pm-9:10 pm

2 stops34h 55m

$800

SacramentoLondon

SMF - LCY

SMFLCY

Sacramento Intl

Thu 3/20

7:30 am-10:50 am

2 stops20h 20m

London City

Thu 3/27

2:45 pm-11:08 pm

2 stops39h 23m

$844

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Tue 8/19

8:22 am-9:00 am

1 stop16h 38m

London Heathrow

Thu 8/28

6:15 am-8:19 pm

2 stops22h 04m

$856

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

Showing 1-10 of 43 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 February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star

*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 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.
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.

Travel insights for flights from Sacramento to London

Get recent, data-driven insights about flights from Sacramento to London including ideal travel times, pricing trends, and more.

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 February 14, 2025.

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 46 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, November is the cheapest month in which you can book a flight from Sacramento to London (average of $661). Flying from Sacramento to London in June is currently the most expensive (average of $1,136). 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 SMF to LON?

Find hourly flight availability from Sacramento to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 20, 2025.

When flying from Sacramento to London, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 23% versus a flight in the evening.

What is the cheapest day to fly from Sacramento to London?

Use this chart to determine the cheapest time to fly round-trip from Sacramento to London. Price data was last updated on June 23, 2024.

Travelers seeking maximum savings on their Sacramento to London flight should consider departing on Friday evenings when fares are most often at their lowest. Tuesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in London by month

Plan your trip to London by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London when rainfall is around 1.6 in.

Temperature in London by month

Plan your trip to London by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

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 February 20, 2025.
Peruse reviews from past customers who have flown with Delta, KLM and Finnair from Sacramento to London to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Comfort

8.0

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.

8.0
Very good
8.0
Very good

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Comfort

8.0

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.

8.0
Very good

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Comfort

8.0

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.

8.0
Very good

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Comfort

8.0

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.

8.0
Very good

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Comfort

8.0

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.

8.0
Very good

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Comfort

8.0

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 9 different airlines.

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

    United Airlines, at $675, was found to be the cheapest airline from Sacramento to London.Alternate airlines to your destination round-trip include British Airways and Scandinavian Airlines. United Airlines is 28% 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 United Airlines. According to our data, you can fly for as low as $483. Users have also found prices from $531 and $551 on Lufthansa and Air Canada, 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, November is the cheapest month in which you can book a flight from Sacramento to London (average of $661). Flying from Sacramento to London in June is currently the most expensive (average of $1,136). 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 Sacramento?

Book flights to Sacramento if you plan to visit one of these locations
Hounslow
Hayes
Thornton Heath
Harrow
Luton
Wembley
Horley
Canterbury
Gatwick
Milton Keynes
Dover
Orpington
Watford
Croydon
Borehamwood
Bromley
Folkestone
Ilford
Aylesbury
Chelmsford

Browse thousands of different options on Cheapflights for your next trip

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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 9 airlines flying from Sacramento to London

Discover the top 9 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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$578Average$1,105FlexibilityNo cancel feeOn-time75%
Air CanadaCheapest$643Average$1,154FlexibilityNo cancel feeOn-time67%
British AirwaysCheapest$647Average$872FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$671Average$956FlexibilityNo cancel feeOn-time69%
Virgin AtlanticCheapest$680Average$1,036FlexibilityNo cancel feeOn-time72%
DeltaCheapest$680Average$894FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$718Average$1,059FlexibilityNo cancel feeOn-time71%
JetBlueCheapest$738Average$1,178FlexibilityNo cancel feeOn-time62%
LufthansaCheapest$911Average$1,724FlexibilityNo cancel feeOn-time76%
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