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$211+ Cheap flights from Sacramento (SMF) to London (LON)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/16. Fares are subject to change and may not be available on all flights or dates of travel.
SMF — LON
Jul 6 — Jul 131
Sun 7/6
Sun 7/13
1 adult, Economy
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Cheapflights Tip: The best prices from Sacramento Intl to London are usually found in October or September, booked 45 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 July 1, 2025.

Round-trip from

$814
(Iberia)

One-way from

$258
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$1,130
From Sacramento Intl to London (LON)
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One-way flight from Sacramento Intl to London (LON)
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Highest demand for flights based on searches. 17% potential increase in price ($203 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($38 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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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 July 1, 2025.

This Iberia deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/287:17 amSMF - LHR
1 stop17h 43mIberia
Thu 8/76:10 amLHR - SMF
2 stops22h 31mIberia
Deal found 7/1$814
This JetBlue deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/2711:08 pmSMF - LHR
1 stop13h 37mJetBlue
Sun 8/38:15 amLHR - SMF
1 stop21h 40mJetBlue
Deal found 6/29$816
This Air Canada deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/179:00 amSMF - LHR
2 stops16h 35mAir Canada
Tue 9/232:05 pmLHR - SMF
2 stops33h 09mAir Canada
Deal found 6/30$819
This Ovago deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1010:34 amSMF - LHR
1 stop16h 36mLufthansa
Fri 10/247:25 amLHR - SMF
2 stops18h 15mLufthansa
Deal found 7/1$821
This Cheapflightsfares deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/101:00 pmSMF - LCY
2 stops19h 25mLufthansa
Mon 9/157:10 pmLCY - SMF
2 stops33h 19mLufthansa
Deal found 6/30$826
This Expedia deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/307:17 amSMF - LHR
1 stop15h 08mBritish Airways
Wed 8/67:35 pmLHR - SMF
2 stops31h 01mBritish Airways
Deal found 6/30$827
This United Airlines deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/218:00 amSMF - LCY
2 stops20h 30mMultiple Airlines
Wed 9/39:25 amLCY - SMF
2 stops18h 16mMultiple Airlines
Deal found 6/30$830
This United Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2310:32 amSMF - LHR
2 stops35h 58mUnited Airlines
Mon 9/19:30 amLHR - SMF
2 stops44h 25mUnited Airlines
Deal found 7/1$831
This American Airlines deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/305:13 amSMF - LGW
2 stops18h 57mAmerican Airlines
Wed 8/63:05 pmLGW - SMF
2 stops27h 55mAmerican Airlines
Deal found 6/30$833
This Justfly.com deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/47:00 amSMF - LHR
2 stops26h 40mScandinavian Airlines
Sat 9/136:40 amLHR - SMF
2 stops24h 36mScandinavian Airlines
Deal found 6/30$836
This Gotogate deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/204:05 pmSMF - LHR
2 stops34h 05mMultiple Airlines
Wed 11/266:30 amLHR - SMF
2 stops22h 17mMultiple Airlines
Deal found 6/29$844
This Finnair deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/410:35 amSMF - LHR
1 stop18h 10mFinnair
Sat 10/118:20 amLHR - SMF
1 stop18h 28mFinnair
Deal found 6/30$853

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 July 1, 2025.
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

Mon 7/28

7:17 am-9:00 am

1 stop17h 43m

London Heathrow

Thu 8/7

6:10 am-8:41 pm

2 stops22h 31m

$814

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Sun 7/27

11:08 pm-8:45 pm

1 stop13h 37m

London Heathrow

Sun 8/3

8:15 am-9:55 pm

1 stop21h 40m

$816

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Wed 9/17

9:00 am-9:35 am

2 stops16h 35m

London Heathrow

Tue 9/23

2:05 pm-3:14 pm

2 stops33h 09m

$819

SacramentoLondon

SMF - LCY

SMFLCY

Sacramento Intl

Wed 9/10

1:00 pm-4:25 pm

2 stops19h 25m

London City

Mon 9/15

7:10 pm-8:29 pm

2 stops33h 19m

$826

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Wed 7/30

7:17 am-6:25 am

1 stop15h 08m

London Heathrow

Wed 8/6

7:35 pm-6:36 pm

2 stops31h 01m

$827

SacramentoLondon

SMF - LCY

SMFLCY

Sacramento Intl

Thu 8/21

8:00 am-12:30 pm

2 stops20h 30m

London City

Wed 9/3

9:25 am-7:41 pm

2 stops18h 16m

$830

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Sat 8/23

10:32 am-6:30 am

2 stops35h 58m

London Heathrow

Mon 9/1

9:30 am-9:55 pm

2 stops44h 25m

$831

SacramentoLondon

SMF - LGW

SMFLGW

Sacramento Intl

Wed 7/30

5:13 am-8:10 am

2 stops18h 57m

London Gatwick

Wed 8/6

3:05 pm-11:00 am

2 stops27h 55m

$833

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Thu 9/4

7:00 am-5:40 pm

2 stops26h 40m

London Heathrow

Sat 9/13

6:40 am-11:16 pm

2 stops24h 36m

$836

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Thu 8/7

10:32 am-4:40 pm

2 stops22h 08m

London Heathrow

Mon 8/18

7:30 pm-6:03 pm

2 stops30h 33m

$851

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Showing 1-10 of 41 results
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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 June 27, 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 45 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 $1,098). 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 July 1, 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.

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 July 1, 2025.
Read reviews from past customers who have flown Delta, Finnair, 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
8.0
Very good
7,973 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

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
8.0
Very good
7,973 reviews
Delta
8.0
Very good
7,973 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

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.
Finnair
7.6
Good
1,301 reviews
Delta
8.0
Very good
7,973 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

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
8,858 reviews
Delta
8.0
Very good
7,973 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

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
7.3
Good
2,919 reviews
Delta
8.0
Very good
7,973 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

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.
Turkish Airlines
7.3
Good
3,886 reviews
Delta
8.0
Very good
7,973 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

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 11 different airlines.

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

    Iberia, at $814, was found to be the cheapest airline from Sacramento to London.Alternate airlines to your destination round-trip include JetBlue and Air Canada. Iberia is 16% 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 JetBlue. According to our data, you can fly for as low as $378. Users have also found prices from $458 and $463 on Air Canada and Delta, 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, 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 $1,098). 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
Canterbury
Harrow
Dover
Gatwick
Orpington
Watford
Croydon
Folkestone
Borehamwood
Aylesbury
Chelmsford
Brentwood
Chichester
Arundel
Milton Keynes
Bishop's Stortford
Dartford

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Alternative routes for Sacramento to London

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Top 10 airlines flying from Sacramento to London

Discover the top 10 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 July 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$578Average$943FlexibilityNo cancel feeOn-time75%
Air CanadaCheapest$643Average$965FlexibilityNo cancel feeOn-time67%
British AirwaysCheapest$647Average$893FlexibilityNo cancel feeOn-time70%
Scandinavian AirlinesCheapest$683Average$770FlexibilityNo cancel feeOn-time77%
DeltaCheapest$702Average$980FlexibilityNo cancel feeOn-timeN/A
Virgin AtlanticCheapest$702Average$1,018FlexibilityNo cancel feeOn-time72%
United AirlinesCheapest$703Average$965FlexibilityNo cancel feeOn-time69%
JetBlueCheapest$738Average$961FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$751Average$960FlexibilityNo cancel feeOn-time71%
IberiaCheapest$889Average$1,257FlexibilityNo cancel feeOn-time77%

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