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Cheap flights from Sacramento to London from $266

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 11/8. 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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0 bags

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Find the cheapest flights from Sacramento to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
7:05 pm - 4:50 pmSMF-LHR
13h 45m1 stop
Delta Logo
9:00 am - 10:10 pmLHR-SMF
21h 10m2 stops
$592Delta
Find Deal
Tue, Dec 2 - Wed, Dec 10
Delta Logo
11:21 am - 10:30 amSMF-LHR
15h 09m1 stop
Delta Logo
6:30 am - 4:00 pmLHR-SMF
17h 30m2 stops
$593Delta
Find Deal
Tue, Nov 4 - Fri, Nov 14
Delta Logo
6:35 am - 7:05 amSMF-LHR
16h 30m2 stops
Delta Logo
9:00 am - 7:38 pmLHR-SMF
18h 38m2 stops
$596Delta
Find Deal
Wed, Nov 12 - Tue, Nov 18
Delta Logo
6:00 am - 11:25 amSMF-LHR
21h 25m2 stops
Delta Logo
6:30 am - 4:00 pmLHR-SMF
17h 30m2 stops
$597Delta
Find Deal
Wed, Nov 5 - Wed, Nov 12
Scandinavian Airlines Logo
2:34 pm - 9:40 pmSMF-LHR
23h 06m2 stops
Scandinavian Airlines Logo
6:40 am - 10:18 pmLHR-SMF
23h 38m2 stops
$601Scandinavian Airlines
Find Deal
Thu, Nov 13 - Thu, Nov 20
Scandinavian Airlines Logo
11:14 am - 9:40 pmSMF-LHR
26h 26m2 stops
Scandinavian Airlines Logo
7:05 am - 10:18 pmLHR-SMF
23h 13m3 stops
$605Scandinavian Airlines
Find Deal
Wed, Nov 12 - Wed, Nov 19
United Airlines Logo
7:00 am - 7:55 amSMF-LHR
17h 55m1 stop
United Airlines Logo
6:35 am - 7:41 pmLHR-SMF
21h 06m2 stops
$618United Airlines
Find Deal
Mon, Oct 27 - Tue, Nov 11
United Airlines Logo
11:06 pm - 9:20 pmSMF-LHR
15h 14m1 stop
United Airlines Logo
6:35 am - 7:41 pmLHR-SMF
21h 06m2 stops
$619United Airlines
Find Deal
Mon, Oct 27 - Tue, Nov 11
Virgin Atlantic Logo
6:15 am - 6:50 amSMF-LHR
16h 35m2 stops
Virgin Atlantic Logo
6:30 am - 5:49 pmLHR-SMF
19h 19m2 stops
$647Virgin Atlantic
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Fri, Nov 7 - Wed, Nov 12
American Airlines Logo
6:20 am - 7:30 amSMF-LGW
17h 10m2 stops
American Airlines Logo
12:30 pm - 10:06 amLGW-SMF
29h 36m2 stops
$1,939American Airlines
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Tue, Mar 3 - Thu, Mar 5

Delta flights from Sacramento to London

Our best Delta deals on Sacramento to London flight tickets
Delta
Dec 2
SMF7:05 pmSacramento Intl
13h 45m
1 stop
LHR4:50 pmLondon Heathrow
Dec 10
LHR9:00 amLondon Heathrow
21h 10m
2 stops
SMF10:10 pmSacramento Intl
$592
Find similar
Delta
Nov 4
SMF11:21 amSacramento Intl
15h 09m
1 stop
LHR10:30 amLondon Heathrow
Nov 14
LHR6:30 amLondon Heathrow
17h 30m
2 stops
SMF4:00 pmSacramento Intl
$593
Find similar
Delta
Nov 12
SMF6:35 amSacramento Intl
16h 30m
2 stops
LHR7:05 amLondon Heathrow
Nov 18
LHR9:00 amLondon Heathrow
18h 38m
2 stops
SMF7:38 pmSacramento Intl
$596
Find similar

KLM flights from Sacramento to London

Our best KLM deals on Sacramento to London flight tickets
KLM
Oct 19
SMF11:41 amSacramento Intl
13h 14m
1 stop
LHR8:55 amLondon Heathrow
Nov 4
LHR6:30 amLondon Heathrow
17h 29m
2 stops
SMF3:59 pmSacramento Intl
$591
Find similar
KLM
Oct 28
SMF11:21 amSacramento Intl
16h 09m
1 stop
LHR10:30 amLondon Heathrow
Nov 4
LHR6:30 amLondon Heathrow
17h 29m
2 stops
SMF3:59 pmSacramento Intl
$593
Find similar
KLM
Oct 28
SMF9:45 amSacramento Intl
14h 20m
2 stops
LHR7:05 amLondon Heathrow
Nov 4
LHR6:30 amLondon Heathrow
17h 29m
2 stops
SMF3:59 pmSacramento Intl
$598
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 October 16, 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 - LHR

SMFLHR

Sacramento Intl

Tue 12/2

7:05 pm-4:50 pm

1 stop13h 45m

London Heathrow

Wed 12/10

9:00 am-10:10 pm

2 stops21h 10m

$592

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Tue 11/4

11:21 am-10:30 am

1 stop15h 09m

London Heathrow

Fri 11/14

6:30 am-4:00 pm

2 stops17h 30m

$593

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Wed 11/12

6:35 am-7:05 am

2 stops16h 30m

London Heathrow

Tue 11/18

9:00 am-7:38 pm

2 stops18h 38m

$596

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Wed 11/5

6:00 am-11:25 am

2 stops21h 25m

London Heathrow

Wed 11/12

6:30 am-4:00 pm

2 stops17h 30m

$597

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Thu 11/13

2:34 pm-9:40 pm

2 stops23h 06m

London Heathrow

Thu 11/20

6:40 am-10:18 pm

2 stops23h 38m

$601

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Wed 11/12

11:14 am-9:40 pm

2 stops26h 26m

London Heathrow

Wed 11/19

7:05 am-10:18 pm

3 stops23h 13m

$605

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Mon 10/27

7:00 am-7:55 am

1 stop17h 55m

London Heathrow

Tue 11/11

6:35 am-7:41 pm

2 stops21h 06m

$618

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Mon 10/27

11:06 pm-9:20 pm

1 stop15h 14m

London Heathrow

Tue 11/11

6:35 am-7:41 pm

2 stops21h 06m

$619

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Fri 11/7

6:15 am-6:50 am

2 stops16h 35m

London Heathrow

Wed 11/12

6:30 am-5:49 pm

2 stops19h 19m

$647

SacramentoLondon

SMF - LGW

SMFLGW

Sacramento Intl

Tue 3/3

6:20 am-7:30 am

2 stops17h 10m

London Gatwick

Thu 3/5

12:30 pm-10:06 am

2 stops29h 36m

$1,939

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 typical price of a round-trip flight between Sacramento and London?

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 $792, 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 $811. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $943. 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 evening is the least expensive time of day to depart. momondo users have found prices as low as $854 when looking at flights departing in the evening. Flights to London are more costly at noon, with an average ticket price of $974. 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 $984 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 $824 on momondo.

Can stopping save me money on Sacramento to London flights?

You could potentially save up to 8% on your flight if you consider stops on a Sacramento to London flight.

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

Direct flights

None
There are no direct flights from Sacramento to London. There are no popular flight routes from Sacramento to London.
Search flight deals

  • 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 30m.

  • 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
10,307 reviews
Search Air Canada flights
Virgin AtlanticPriceFrom $674Free CancellationRating
7.5
670 reviews
Search Virgin Atlantic flights
Scandinavian AirlinesPriceFrom $683Free CancellationRating
7.4
1,533 reviews
Search Scandinavian Airlines flights
British AirwaysPriceFrom $697Free CancellationRating
6.7
7,457 reviews
Search British Airways flights
American AirlinesPriceFrom $702Free CancellationRating
7.2
11,040 reviews
Search American Airlines flights
United AirlinesPriceFrom $702Free CancellationRating
7.4
8,982 reviews
Search United Airlines flights
DeltaPriceFrom $703Free CancellationRating
7.9
7,978 reviews
Search Delta flights
JetBluePriceFrom $743Free CancellationRating
7.2
2,907 reviews
Search JetBlue flights
IberiaPriceFrom $825Free CancellationRating
7.0
2,994 reviews
Search Iberia flights

Traveling to a place near London?

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

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