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Cheap flights from Sacramento to London from $221

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 4/28. 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
10:50 am - 11:15 am
SMF
-
LHR
16h 25m1 stop
Lufthansa Logo
7:40 am - 5:46 pm
LHR
-
SMF
18h 06m2 stops
$568Lufthansa
Tue, Feb 3 - Tue, Feb 10
Iberia Logo
6:05 am - 11:40 am
SMF
-
LHR
21h 35m1 stop
Iberia Logo
8:50 pm - 11:30 pm
LHR
-
SMF
34h 40m2 stops
$579Iberia
Tue, Feb 3 - Tue, Feb 10
British Airways Logo
4:34 pm - 3:25 pm
SMF
-
LHR
14h 51m1 stop
British Airways Logo
6:10 am - 10:40 pm
LHR
-
SMF
24h 30m2 stops
$584British Airways
Sun, Apr 19 - Thu, May 7
British Airways Logo
8:06 am - 10:00 am
SMF
-
LHR
17h 54m1 stop
British Airways Logo
2:45 pm - 11:30 pm
LHR
-
SMF
16h 45m1 stop
$589British Airways
Tue, Jan 27 - Wed, Feb 4
British Airways Logo
8:06 am - 5:10 pm
SMF
-
LGW
25h 04m2 stops
British Airways Logo
9:50 am - 7:34 pm
LGW
-
SMF
41h 44m2 stops
$590British Airways
Tue, Feb 3 - Tue, Feb 10
Iberia Logo
6:05 am - 10:35 am
SMF
-
LHR
20h 30m2 stops
Iberia Logo
8:50 pm - 11:30 pm
LHR
-
SMF
34h 40m2 stops
$592Iberia
Tue, Feb 3 - Tue, Feb 10
Delta Logo
9:35 am - 8:45 am
SMF
-
LHR
15h 10m2 stops
Delta Logo
6:20 am - 4:16 pm
LHR
-
SMF
17h 56m2 stops
$607Delta
Tue, Jan 27 - Wed, Feb 4
American Airlines Logo
10:29 pm - 7:30 am
SMF
-
LGW
25h 01m2 stops
American Airlines Logo
12:30 pm - 1:19 pm
LGW
-
SMF
32h 49m2 stops
$633American Airlines
Sun, Feb 1 - Sat, Feb 28
American Airlines Logo
6:00 am - 9:00 am
SMF
-
LGW
19h 00m2 stops
American Airlines Logo
12:30 pm - 10:41 am
LGW
-
SMF
30h 11m2 stops
$634American Airlines
Sun, Feb 1 - Sat, Feb 28
Icelandair Logo
9:00 am - 10:55 am
SMF
-
LGW
17h 55m2 stops
Icelandair Logo
11:55 am - 11:56 pm
LGW
-
SMF
20h 01m2 stops
$830Icelandair
Wed, Feb 4 - Wed, Feb 25

Delta flights from Sacramento to London

Our best Delta deals on Sacramento to London flight tickets
Delta
Jan 27
SMF9:35 amSacramento Intl
15h 10m
2 stops
LHR8:45 amLondon Heathrow
Feb 4
LHR6:20 amLondon Heathrow
17h 56m
2 stops
SMF4:16 pmSacramento Intl
$607
Find similar
Delta
Mar 30
SMF1:20 pmSacramento Intl
14h 50m
1 stop
LHR12:10 pmLondon Heathrow
Apr 7
LHR11:30 amLondon Heathrow
18h 28m
2 stops
SMF9:58 pmSacramento Intl
$618
Find similar
Delta
Apr 21
SMF12:49 pmSacramento Intl
16h 16m
2 stops
LHR1:05 pmLondon Heathrow
May 5
LHR11:30 amLondon Heathrow
17h 33m
2 stops
SMF9:03 pmSacramento Intl
$623
Find similar

British Airways flights from Sacramento to London

Our best British Airways deals on Sacramento to London flight tickets
British Airways
Apr 19
SMF4:34 pmSacramento Intl
14h 31m
1 stop
LHR3:05 pmLondon Heathrow
May 7
LHR6:10 amLondon Heathrow
24h 30m
2 stops
SMF10:40 pmSacramento Intl
$584
Find similar
British Airways
Jan 27
SMF8:06 amSacramento Intl
17h 54m
1 stop
LHR10:00 amLondon Heathrow
Feb 4
LHR2:45 pmLondon Heathrow
16h 45m
1 stop
SMF11:30 pmSacramento Intl
$589
Find similar
British Airways
Feb 3
SMF8:06 amSacramento Intl
25h 04m
2 stops
LGW5:10 pmLondon Gatwick
Feb 10
LGW9:50 amLondon Gatwick
41h 44m
2 stops
SMF7:34 pmSacramento Intl
$590
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 January 6, 2026.
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 2/3

10:50 am-11:15 am

1 stop16h 25m

London Heathrow

Tue 2/10

7:40 am-5:46 pm

2 stops18h 06m

$568

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Tue 2/3

6:05 am-11:40 am

1 stop21h 35m

London Heathrow

Tue 2/10

8:50 pm-11:30 pm

2 stops34h 40m

$579

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Sun 4/19

4:34 pm-3:25 pm

1 stop14h 51m

London Heathrow

Thu 5/7

6:10 am-10:40 pm

2 stops24h 30m

$584

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Tue 1/27

8:06 am-10:00 am

1 stop17h 54m

London Heathrow

Wed 2/4

2:45 pm-11:30 pm

1 stop16h 45m

$589

SacramentoLondon

SMF - LGW

SMFLGW

Sacramento Intl

Tue 2/3

8:06 am-5:10 pm

2 stops25h 04m

London Gatwick

Tue 2/10

9:50 am-7:34 pm

2 stops41h 44m

$590

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Tue 2/3

6:05 am-10:35 am

2 stops20h 30m

London Heathrow

Tue 2/10

8:50 pm-11:30 pm

2 stops34h 40m

$592

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Tue 1/27

9:35 am-8:45 am

2 stops15h 10m

London Heathrow

Wed 2/4

6:20 am-4:16 pm

2 stops17h 56m

$607

SacramentoLondon

SMF - LGW

SMFLGW

Sacramento Intl

Sun 2/1

10:29 pm-7:30 am

2 stops25h 01m

London Gatwick

Sat 2/28

12:30 pm-1:19 pm

2 stops32h 49m

$633

SacramentoLondon

SMF - LGW

SMFLGW

Sacramento Intl

Sun 2/1

6:00 am-9:00 am

2 stops19h 00m

London Gatwick

Sat 2/28

12:30 pm-10:41 am

2 stops30h 11m

$634

SacramentoLondon

SMF - LGW

SMFLGW

Sacramento Intl

Wed 2/4

9:00 am-10:55 am

2 stops17h 55m

London Gatwick

Wed 2/25

11:55 am-11:56 pm

2 stops20h 01m

$830

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 February. Flight prices, which tend to average around $755, are often lower during this time because this is during the off-season. The month of December is another great option to travel to London, with average flight prices from Sacramento averaging around $773.

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 $806. 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 morning is the least expensive time of day to depart. momondo users have found prices as low as $853 when looking at flights departing in the morning. Flights to London are more costly at noon, with an average ticket price of $976. 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 $817 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?

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 30m

Direct flights

None
The fastest flight from Sacramento to London takes 12h 30m
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
Virgin AtlanticPriceFrom $599Free CancellationRating
7.5
678 reviews
Search Virgin Atlantic flights
Air CanadaPriceFrom $615Free CancellationRating
7.1
10,598 reviews
Search Air Canada flights
DeltaPriceFrom $649Free CancellationRating
7.9
8,019 reviews
Search Delta flights
United AirlinesPriceFrom $676Free CancellationRating
7.4
9,136 reviews
Search United Airlines flights
American AirlinesPriceFrom $681Free CancellationRating
7.2
11,088 reviews
Search American Airlines flights
British AirwaysPriceFrom $697Free CancellationRating
6.7
7,657 reviews
Search British Airways flights
JetBluePriceFrom $743Free CancellationRating
7.2
2,896 reviews
Search JetBlue flights

Traveling to a place near London?

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

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