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Cheap flights from Sacramento to London from $245

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Sacramento to London departing on 10/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Sacramento to London

Cheap round-trip flights

Logo
6:16 pm - 10:55 amSMF-LGW
32h 39m1 stop
Logo
10:55 am - 4:15 pmLGW-SMF
37h 20m2 stops
$566
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Thu, Oct 16 - Fri, Oct 24
Logo
6:16 pm - 10:55 amSMF-LGW
32h 39m1 stop
Logo
10:55 am - 2:34 pmLGW-SMF
35h 39m1 stop
$596
Find Deal
Thu, Oct 16 - Wed, Oct 22
United Airlines Logo
10:35 am - 7:25 amSMF-LHR
12h 50m1 stop
United Airlines Logo
9:00 am - 9:57 pmLHR-SMF
20h 57m2 stops
$611United Airlines
Find Deal
Tue, Dec 9 - Tue, Dec 16
British Airways Logo
11:56 am - 11:35 amSMF-LHR
15h 39m1 stop
British Airways Logo
12:00 pm - 8:59 pmLHR-SMF
16h 59m1 stop
$625British Airways
Find Deal
Tue, Oct 7 - Thu, Oct 16
British Airways Logo
2:32 pm - 12:45 pmSMF-LHR
14h 13m1 stop
British Airways Logo
12:30 pm - 10:31 pmLHR-SMF
17h 01m1 stop
$626British Airways
Find Deal
Wed, Oct 1 - Wed, Oct 29
Virgin Atlantic Logo
1:30 pm - 1:10 pmSMF-LHR
15h 40m2 stops
Virgin Atlantic Logo
6:15 am - 4:05 pmLHR-SMF
17h 50m2 stops
$636Virgin Atlantic
Find Deal
Tue, Oct 7 - Thu, Oct 16
United Airlines Logo
5:30 am - 7:30 amSMF-LHR
18h 00m1 stop
United Airlines Logo
9:00 am - 9:57 pmLHR-SMF
20h 57m2 stops
$661United Airlines
Find Deal
Fri, Dec 12 - Tue, Dec 16
Delta Logo
12:55 pm - 5:15 pmSMF-LHR
20h 20m1 stop
Delta Logo
11:30 am - 11:20 pmLHR-SMF
19h 50m2 stops
$682Delta
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Thu, Sep 4 - Tue, Sep 9
Delta Logo
12:11 pm - 1:10 pmSMF-LHR
16h 59m2 stops
Delta Logo
6:20 am - 4:05 pmLHR-SMF
16h 45m2 stops
$686Delta
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Thu, Oct 16 - Tue, Oct 28
Virgin Atlantic Logo
12:55 pm - 5:15 pmSMF-LHR
20h 20m1 stop
Virgin Atlantic Logo
12:25 pm - 11:43 pmLHR-SMF
19h 18m2 stops
$694Virgin Atlantic
Find Deal
Fri, Sep 5 - Thu, Sep 11

United Airlines flights from Sacramento to London

Our best United Airlines deals on Sacramento to London flight tickets
United Airlines
Dec 9
SMF10:35 amSacramento Intl
12h 50m
1 stop
LHR7:25 amLondon Heathrow
Dec 16
LHR9:00 amLondon Heathrow
20h 57m
2 stops
SMF9:57 pmSacramento Intl
$611
Find similar
United Airlines
Aug 21
SMF10:32 amSacramento Intl
16h 38m
1 stop
LHR11:10 amLondon Heathrow
Aug 28
LHR9:30 amLondon Heathrow
37h 41m
2 stops
SMF3:11 pmSacramento Intl
$657
Find similar
United Airlines
Dec 12
SMF5:30 amSacramento Intl
18h 00m
1 stop
LHR7:30 amLondon Heathrow
Dec 16
LHR9:00 amLondon Heathrow
20h 57m
2 stops
SMF9:57 pmSacramento Intl
$661
Find similar

Air Canada flights from Sacramento to London

Our best Air Canada deals on Sacramento to London flight tickets
Air Canada
Oct 27
SMF4:05 pmSacramento Intl
56h 05m
2 stops
LHR7:10 amLondon Heathrow
Nov 11
LHR1:25 pmLondon Heathrow
33h 52m
2 stops
SMF3:17 pmSacramento Intl
$615
Find similar
Air Canada
Sep 11
SMF8:30 amSacramento Intl
19h 20m
1 stop
LHR11:50 amLondon Heathrow
Sep 18
LHR6:00 amLondon Heathrow
23h 49m
2 stops
SMF9:49 pmSacramento Intl
$653
Find similar
Air Canada
Sep 11
SMF8:30 amSacramento Intl
19h 20m
1 stop
LHR11:50 amLondon Heathrow
Sep 16
LHR6:00 amLondon Heathrow
23h 49m
2 stops
SMF9:49 pmSacramento Intl
$664
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated August 17, 2025.
Use the filters below to find and compare flights from Sacramento to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SacramentoLondon

SMF - LGW

SMFLGW

Sacramento Intl

Thu 10/16

6:16 pm-10:55 am

1 stop32h 39m

London Gatwick

Fri 10/24

10:55 am-4:15 pm

2 stops37h 20m

$566

SacramentoLondon

SMF - LGW

SMFLGW

Sacramento Intl

Thu 10/16

6:16 pm-10:55 am

1 stop32h 39m

London Gatwick

Wed 10/22

10:55 am-2:34 pm

1 stop35h 39m

$596

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Tue 12/9

10:35 am-7:25 am

1 stop12h 50m

London Heathrow

Tue 12/16

9:00 am-9:57 pm

2 stops20h 57m

$611

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Tue 10/7

11:56 am-11:35 am

1 stop15h 39m

London Heathrow

Thu 10/16

12:00 pm-8:59 pm

1 stop16h 59m

$625

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Wed 10/1

2:32 pm-12:45 pm

1 stop14h 13m

London Heathrow

Wed 10/29

12:30 pm-10:31 pm

1 stop17h 01m

$626

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Tue 10/7

1:30 pm-1:10 pm

2 stops15h 40m

London Heathrow

Thu 10/16

6:15 am-4:05 pm

2 stops17h 50m

$636

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Fri 12/12

5:30 am-7:30 am

1 stop18h 00m

London Heathrow

Tue 12/16

9:00 am-9:57 pm

2 stops20h 57m

$661

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Thu 9/4

12:55 pm-5:15 pm

1 stop20h 20m

London Heathrow

Tue 9/9

11:30 am-11:20 pm

2 stops19h 50m

$682

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Thu 10/16

12:11 pm-1:10 pm

2 stops16h 59m

London Heathrow

Tue 10/28

6:20 am-4:05 pm

2 stops16h 45m

$686

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Fri 9/5

12:55 pm-5:15 pm

1 stop20h 20m

London Heathrow

Thu 9/11

12:25 pm-11:43 pm

2 stops19h 18m

$694

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to London from

How to get the cheapest flight ticket from Sacramento to London

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to London?

The cheapest month to fly to London from Sacramento is in October. Flight prices, which tend to average around $749, are often lower during this time because this is during the off-season. The month of September is another great option to travel to London, with average flight prices from Sacramento averaging around $814.

What is the cheapest day to depart on your flight to London?

The cheapest day to depart from Sacramento to London is on a Wednesday. Travelers who choose to depart for London on a Wednesday will often find tickets for as low as $808. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $944. These prices are subject to change though, so be sure to set up a Price Alert for flights to London.

What is the cheapest time of day to depart on your flight to London?

Flying to London from Sacramento in the morning is the least expensive time of day to depart. momondo users have found prices as low as $849 when looking at flights departing in the morning. Flights to London are more costly at noon, with an average ticket price of $978. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

How far in advance should I book a flight to London?

You are more likely to see cheaper flights to London from Sacramento when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around $983 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Sacramento for as low as $886 on momondo.

How have Sacramento to London flight prices changed over time?

When to book flights from Sacramento to London

Are you open to changing your travel dates? Check out the ideal times to fly from Sacramento to London according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Sacramento to London (SMF to LON) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Sacramento to London

Best Price Found

$245

Fastest flight time

12h 50m

Direct flights

None

Airports in London

4 airports
The best one-way flight to London from Sacramento in the past 72 hours is $245. The best round-trip flight deal from Sacramento to London found on momondo in the last 72 hours is $566.
The fastest flight from Sacramento to London takes 12h 50m
There are no direct flights from Sacramento to London. Popular non-direct routes for this connection are Sacramento Intl Airport - London Heathrow Airport, Sacramento Intl Airport - London Stansted Airport and Sacramento Intl Airport - London Gatwick Airport.
There are 4 airports near London: London City (LCY), London Heathrow (LHR), London Stansted (STN), London Gatwick (LGW)
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  • How far is Sacramento Intl to London by plane?

    The distance between Sacramento Intl and London is about 5276.7 mi. In terms of flight time, this usually takes a little over 12h 50m.

  • When did momondo last update prices for flights from Sacramento Intl Airport to London?

    Prices for flights from Sacramento Intl Airport to London refresh daily.

  • How many operators does momondo search for flights from Sacramento Intl Airport to London?

  • How old do you have to be to fly from Sacramento Intl Airport to London?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Sacramento Intl Airport to London.

  • What documentation or ID do you need to fly to London?

    The necessary travel and health documents for your London trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Sacramento to London?

Best airlines flying from Sacramento to London

Compare and see reviews for airlines that fly from Sacramento to London with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom $615Free CancellationRating
7.1
9,977 reviews
Search Air Canada flights
British AirwaysPriceFrom $642Free CancellationRating
6.6
7,271 reviews
Search British Airways flights
Virgin AtlanticPriceFrom $674Free CancellationRating
7.4
657 reviews
Search Virgin Atlantic flights
Scandinavian AirlinesPriceFrom $683Free CancellationRating
7.4
1,469 reviews
Search Scandinavian Airlines flights
United AirlinesPriceFrom $703Free CancellationRating
7.4
8,919 reviews
Search United Airlines flights
DeltaPriceFrom $707Free CancellationRating
8.0
7,986 reviews
Search Delta flights
JetBluePriceFrom $738Free CancellationRating
7.2
2,916 reviews
Search JetBlue flights
American AirlinesPriceFrom $751Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
IberiaPriceFrom $889Free CancellationRating
7.0
2,883 reviews
Search Iberia flights

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Hounslow
Gatwick
Dover
Slough
Luton
Guildford
Milton Keynes
Dartford
Crawley
Hayes
Chelmsford
Stansted
Brentwood
Ilford
Colchester
Folkestone
Watford
Richmond
Canterbury
Wembley

Why use momondo?

Why should I use momondo to find a flight deal from Sacramento to London?

It is quick and easy to find Sacramento to London flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to London that suits you.

Can I find flights from Sacramento to London with flexible booking policies on momondo?

momondo does allow users to show only those flights to London from Sacramento which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Sacramento to London?

Once you have performed a search for Sacramento to London flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Sacramento to London right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Sacramento to London flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your London trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London
London City Airport
London Gatwick Airport
London Heathrow Airport
London Luton Airport
London Southend Airport
London Stansted Airport