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Cheap flights from Sacramento to London from $289

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 1/15. 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.
Lufthansa Logo
11:10 am - 1:00 pm
SMF
-
LHR
17h 50m2 stops
Lufthansa Logo
6:35 am - 5:46 pm
LHR
-
SMF
19h 11m2 stops
$604Lufthansa
Thu, Jan 22 - Mon, Jan 26
Scandinavian Airlines Logo
11:17 am - 5:40 pm
SMF
-
LHR
23h 23m3 stops
Scandinavian Airlines Logo
10:20 am - 11:32 pm
LHR
-
SMF
20h 12m2 stops
$605Scandinavian Airlines
Thu, Mar 12 - Tue, Mar 17
Multiple Airlines Logo
12:30 pm - 11:50 am
SMF
-
LHR
15h 20m1 stop
Multiple Airlines Logo
6:35 am - 11:52 am
LHR
-
SMF
37h 17m2 stops
$613Multiple Airlines
Tue, Jan 20 - Tue, Jan 27
Multiple Airlines Logo
12:30 pm - 7:10 am
SMF
-
LHR
34h 40m2 stops
Multiple Airlines Logo
6:35 am - 11:52 am
LHR
-
SMF
37h 17m2 stops
$616Multiple Airlines
Thu, Jan 22 - Tue, Jan 27
Icelandair Logo
9:00 am - 10:55 am
SMF
-
LGW
17h 55m2 stops
Icelandair Logo
11:55 am - 9:14 pm
LGW
-
SMF
17h 19m2 stops
$877Icelandair
Wed, Jan 28 - Sat, Feb 28
Icelandair Logo
8:30 am - 10:55 am
SMF
-
LGW
19h 25m2 stops
Icelandair Logo
11:55 am - 11:56 pm
LGW
-
SMF
19h 01m2 stops
$878Icelandair
Thu, Mar 12 - Tue, Mar 17
Iberia Logo
6:00 am - 7:00 pm
SMF
-
LGW
29h 00m2 stops
Iberia Logo
7:40 pm - 10:31 am
LGW
-
SMF
22h 51m2 stops
$887Iberia
Tue, Feb 17 - Sat, Feb 28
Iberia Logo
6:05 am - 7:00 pm
SMF
-
LGW
28h 55m2 stops
Iberia Logo
11:45 am - 11:30 pm
LGW
-
SMF
43h 45m2 stops
$898Iberia
Tue, Jan 20 - Tue, Jan 27
British Airways Logo
8:06 am - 8:50 am
SMF
-
LCY
40h 44m2 stops
British Airways Logo
2:45 pm - 9:29 pm
LCY
-
SMF
38h 44m2 stops
$906British Airways
Thu, Jan 29 - Sun, Feb 15
British Airways Logo
8:06 am - 8:50 am
SMF
-
LCY
40h 44m2 stops
British Airways Logo
7:15 pm - 8:47 pm
LCY
-
SMF
33h 32m2 stops
$952British Airways
Wed, Feb 4 - Sun, Feb 8

Air Canada flights from Sacramento to London

Our best Air Canada deals on Sacramento to London flight tickets
Air Canada
Mar 21
SMF12:30 pmSacramento Intl
35h 00m
2 stops
LHR6:30 amLondon Heathrow
Apr 2
LHR3:50 pmLondon Heathrow
28h 00m
2 stops
SMF11:50 amSacramento Intl
$621
Find similar
Air Canada
Mar 21
SMF12:30 pmSacramento Intl
38h 40m
2 stops
LHR10:10 amLondon Heathrow
Apr 2
LHR5:40 pmLondon Heathrow
32h 58m
2 stops
SMF6:38 pmSacramento Intl
$686
Find similar
Air Canada
Mar 21
SMF12:30 pmSacramento Intl
35h 40m
2 stops
LHR7:10 amLondon Heathrow
Apr 2
LHR3:50 pmLondon Heathrow
28h 00m
2 stops
SMF11:50 amSacramento Intl
$702
Find similar

United Airlines flights from Sacramento to London

Our best United Airlines deals on Sacramento to London flight tickets
United Airlines
Feb 17
SMF12:30 pmSacramento Intl
15h 20m
1 stop
LHR11:50 amLondon Heathrow
Feb 28
LHR6:35 amLondon Heathrow
22h 30m
2 stops
SMF9:05 pmSacramento Intl
$623
Find similar
United Airlines
Feb 8
SMF8:30 pmSacramento Intl
31h 30m
1 stop
LHR12:00 pmLondon Heathrow
Feb 15
LHR2:30 pmLondon Heathrow
29h 22m
1 stop
SMF11:52 amSacramento Intl
$628
Find similar
United Airlines
Feb 4
SMF8:30 pmSacramento Intl
31h 30m
1 stop
LHR12:00 pmLondon Heathrow
Feb 8
LHR2:30 pmLondon Heathrow
29h 22m
1 stop
SMF11:52 amSacramento Intl
$629
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 December 11, 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

Thu 1/22

11:10 am-1:00 pm

2 stops17h 50m

London Heathrow

Mon 1/26

6:35 am-5:46 pm

2 stops19h 11m

$604

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Thu 3/12

11:17 am-5:40 pm

3 stops23h 23m

London Heathrow

Tue 3/17

10:20 am-11:32 pm

2 stops20h 12m

$605

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Tue 1/20

12:30 pm-11:50 am

1 stop15h 20m

London Heathrow

Tue 1/27

6:35 am-11:52 am

2 stops37h 17m

$613

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Thu 1/22

12:30 pm-7:10 am

2 stops34h 40m

London Heathrow

Tue 1/27

6:35 am-11:52 am

2 stops37h 17m

$616

SacramentoLondon

SMF - LGW

SMFLGW

Sacramento Intl

Wed 1/28

9:00 am-10:55 am

2 stops17h 55m

London Gatwick

Sat 2/28

11:55 am-9:14 pm

2 stops17h 19m

$877

SacramentoLondon

SMF - LGW

SMFLGW

Sacramento Intl

Thu 3/12

8:30 am-10:55 am

2 stops19h 25m

London Gatwick

Tue 3/17

11:55 am-11:56 pm

2 stops19h 01m

$878

SacramentoLondon

SMF - LGW

SMFLGW

Sacramento Intl

Tue 2/17

6:00 am-7:00 pm

2 stops29h 00m

London Gatwick

Sat 2/28

7:40 pm-10:31 am

2 stops22h 51m

$887

SacramentoLondon

SMF - LGW

SMFLGW

Sacramento Intl

Tue 1/20

6:05 am-7:00 pm

2 stops28h 55m

London Gatwick

Tue 1/27

11:45 am-11:30 pm

2 stops43h 45m

$898

SacramentoLondon

SMF - LCY

SMFLCY

Sacramento Intl

Thu 1/29

8:06 am-8:50 am

2 stops40h 44m

London City

Sun 2/15

2:45 pm-9:29 pm

2 stops38h 44m

$906

SacramentoLondon

SMF - LCY

SMFLCY

Sacramento Intl

Wed 2/4

8:06 am-8:50 am

2 stops40h 44m

London City

Sun 2/8

7:15 pm-8:47 pm

2 stops33h 32m

$952

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 February. Flight prices, which tend to average around $791, are often lower during this time because this is during the off-season. The month of October is another great option to travel to London, with average flight prices from Sacramento averaging around $792.

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 $945. 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 $855 when looking at flights departing in the evening. Flights to London are more costly at noon, with an average ticket price of $975. 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 $954 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 $815 on momondo.

Can stopping save me money on Sacramento to London flights?

You could potentially save up to 38% on your flight if you consider stops on a Sacramento to London flight.

How have Sacramento to London flight prices changed over time?

As of December 2025, prices for Sacramento to London flights are approximately 4% cheaper when compared to flights at the same time last year.

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

Fastest flight time

12h 33m

Direct flights

None
The fastest flight from Sacramento to London takes 12h 33m
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 33m.

  • 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
Virgin AtlanticPriceFrom $607Free CancellationRating
7.5
675 reviews
Search Virgin Atlantic flights
Air CanadaPriceFrom $615Free CancellationRating
7.1
10,517 reviews
Search Air Canada flights
DeltaPriceFrom $649Free CancellationRating
7.9
8,007 reviews
Search Delta flights
United AirlinesPriceFrom $678Free CancellationRating
7.4
9,093 reviews
Search United Airlines flights
British AirwaysPriceFrom $679Free CancellationRating
6.7
7,571 reviews
Search British Airways flights
American AirlinesPriceFrom $681Free CancellationRating
7.2
11,049 reviews
Search American Airlines flights
Scandinavian AirlinesPriceFrom $683Free CancellationRating
7.4
1,605 reviews
Search Scandinavian Airlines flights
JetBluePriceFrom $743Free CancellationRating
7.2
2,899 reviews
Search JetBlue flights
IberiaPriceFrom $825Free CancellationRating
7.0
3,045 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
Dover
Luton
Slough
Guildford
Hayes
Dartford
Crawley
Brentwood
Wembley
Romford
Watford
Ilford
Cobham
Folkestone
Uxbridge
Stansted
Chelmsford

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.
Start using Trips
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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