Which airport is the most popular layover for flights between Sacramento and London?

Seattle (SEA) was the most common stop: 33% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport has the shortest connection time from Sacramento to London?

Seattle (SEA) has the shortest average layover time for this route: 1h 03m.

What is the cheapest airline that flies from Sacramento Intl to London?

KLM, Delta, and United Airlines are the most popular carriers operating from Sacramento Intl to London

Which layover airport has the shortest travel time from Sacramento to London?

Flights connecting via Seattle (SEA) have the shortest average one-way travel time: 12h 11m.

Which layover airport offers the lowest fares from Sacramento to London?

Flights via New York (JFK) offer the lowest average round-trip price of $876.

What airlines fly to London?

United Airlines, British Airways and Virgin Atlantic are the top three most popular airlines that fly to London from Sacramento according to our data. United Airlines is the first choice among our users, with 42% of people opting to fly with this airline when traveling to London. Keep in mind that there are 21 different airlines that fly to London on a routine basis, so you have a few additional options to choose from.

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?

As of September 2026, there are 7 operators available to choose from 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.

$275 Cheap Flights from Sacramento to London in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Sacramento to London

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

11:41 am - 2:10 pmSMF Sacramento Intl-LHR London Heathrow

18h 29m1 stop San Francisco

9:30 am - 7:40 pmLHR London Heathrow-SMF Sacramento Intl

17h 10m2 stops Frankfurt am Main San Francisco

$918United Airlines

Tue, Oct 20 - Tue, Oct 27

7:48 pm - 1:30 pmSMF Sacramento Intl-LHR London Heathrow

33h 42m1 stop Los Angeles

2:30 pm - 3:21 pmLHR London Heathrow-SMF Sacramento Intl

32h 51m1 stop Vancouver Intl

$918Multiple Airlines

Mon, Dec 28 - Fri, Jan 8

2:17 pm - 4:00 pmSMF Sacramento Intl-LGW London Gatwick

17h 43m2 stops Los Angeles Paris Charles de Gaulle

10:35 am - 10:46 pmLGW London Gatwick-SMF Sacramento Intl

20h 11m2 stops Paris Charles de Gaulle Seattle/Tacoma Intl

$918Delta

Tue, Oct 6 - Tue, Oct 13

2:17 pm - 4:00 pmSMF Sacramento Intl-LGW London Gatwick

17h 43m2 stops Los Angeles Paris Charles de Gaulle

10:25 am - 10:46 pmLGW London Gatwick-SMF Sacramento Intl

20h 21m2 stops Paris Charles de Gaulle Seattle/Tacoma Intl

$918Delta

Sun, Oct 11 - Fri, Oct 23

8:00 am - 7:25 amSMF Sacramento Intl-LHR London Heathrow

15h 25m1 stop San Francisco

11:05 am - 9:52 pmLHR London Heathrow-SMF Sacramento Intl

42h 47m2 stops Brussels Bruxelles-National Washington, D.C. Dulles Intl

$919United Airlines

Tue, Nov 3 - Mon, Nov 9

4:05 pm - 6:30 amSMF Sacramento Intl-LHR London Heathrow

30h 25m2 stops Vancouver Intl Toronto Pearson Intl

2:30 pm - 3:21 pmLHR London Heathrow-SMF Sacramento Intl

32h 51m1 stop Vancouver Intl

$919Multiple Airlines

Sat, Feb 13 - Sun, Feb 21

11:50 am - 5:40 pmSMF Sacramento Intl-LCY London City

21h 50m2 stops San Francisco Frankfurt am Main

9:50 am - 8:47 pmLCY London City-SMF Sacramento Intl

18h 57m2 stops Frankfurt am Main Denver Intl

$920Lufthansa

Wed, Jan 6 - Wed, Jan 13

7:00 am - 3:50 pmSMF Sacramento Intl-LHR London Heathrow

24h 50m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss

5:50 pm - 3:21 pmLHR London Heathrow-SMF Sacramento Intl

53h 31m2 stops Munich Franz Josef Strauss Vancouver Intl

$922Lufthansa

Thu, Dec 3 - Mon, Dec 7

9:46 pm - 12:20 pmSMF Sacramento Intl-LHR London Heathrow

30h 34m1 stop Seattle/Tacoma Intl

2:45 pm - 10:15 pmLHR London Heathrow-SMF Sacramento Intl

15h 30m1 stop Seattle/Tacoma Intl

$926Alaska Airlines

Sat, Jan 2 - Fri, Jan 8

9:46 pm - 12:20 pmSMF Sacramento Intl-LHR London Heathrow

30h 34m1 stop Seattle/Tacoma Intl

2:45 pm - 11:06 amLHR London Heathrow-SMF Sacramento Intl

28h 21m1 stop Seattle/Tacoma Intl

$926Alaska Airlines

Sat, Jan 2 - Sun, Jan 10

Cheap last minute flights

Enter your travel dates to find the best prices.

11:35 pm - 8:45 pmSMF Sacramento Intl-LHR London Heathrow

13h 10m1 stop New York John F Kennedy Intl

8:15 am - 9:57 pmLHR London Heathrow-SMF Sacramento Intl

21h 42m1 stop New York John F Kennedy Intl

$971JetBlue

Fri, Sep 11 - Sat, Sep 19

11:35 pm - 8:45 pmSMF Sacramento Intl-LHR London Heathrow

13h 10m1 stop New York John F Kennedy Intl

11:55 am - 9:57 pmLHR London Heathrow-SMF Sacramento Intl

18h 02m1 stop New York John F Kennedy Intl

$971JetBlue

Fri, Sep 11 - Sat, Sep 19

10:14 am - 5:05 pmSMF Sacramento Intl-LHR London Heathrow

22h 51m2 stops Los Angeles Munich Franz Josef Strauss

8:25 pm - 8:35 pmLHR London Heathrow-SMF Sacramento Intl

32h 10m2 stops Munich Franz Josef Strauss Los Angeles

$1,093Lufthansa

Sun, Sep 13 - Sat, Sep 19

10:50 am - 3:40 pmSMF Sacramento Intl-LHR London Heathrow

20h 50m2 stops Denver Intl Munich Franz Josef Strauss

8:25 pm - 8:26 pmLHR London Heathrow-SMF Sacramento Intl

32h 01m2 stops Munich Franz Josef Strauss Los Angeles

$1,094Lufthansa

Thu, Sep 10 - Mon, Sep 14

6:30 am - 7:25 amSMF Sacramento Intl-LHR London Heathrow

16h 55m1 stop San Francisco

6:50 am - 8:45 pmLHR London Heathrow-SMF Sacramento Intl

21h 55m2 stops Brussels Bruxelles-National Washington, D.C. Dulles Intl

$1,099United Airlines

Tue, Sep 15 - Mon, Sep 21

6:10 pm - 1:20 pmSMF Sacramento Intl-LHR London Heathrow

35h 10m1 stop Vancouver Intl

11:05 am - 8:45 pmLHR London Heathrow-SMF Sacramento Intl

41h 40m2 stops Brussels Bruxelles-National Washington, D.C. Dulles Intl

$1,108United Airlines

Thu, Sep 10 - Mon, Sep 21

9:17 am - 10:15 amSMF Sacramento Intl-LHR London Heathrow

16h 58m1 stop Los Angeles

6:30 am - 8:39 pmLHR London Heathrow-SMF Sacramento Intl

22h 09m2 stops Amsterdam Schiphol Minneapolis St Paul

$1,149Delta

Fri, Sep 11 - Sat, Sep 19

6:00 am - 10:15 amSMF Sacramento Intl-LHR London Heathrow

20h 15m1 stop Los Angeles

6:30 am - 4:49 pmLHR London Heathrow-SMF Sacramento Intl

18h 19m2 stops Amsterdam Schiphol Seattle/Tacoma Intl

$1,150Delta

Fri, Sep 11 - Sat, Sep 19

7:00 am - 1:15 pmSMF Sacramento Intl-LHR London Heathrow

22h 15m2 stops Dallas/Fort Worth Barcelona-El Prat

7:35 am - 11:05 pmLHR London Heathrow-SMF Sacramento Intl

23h 30m2 stops Madrid Barajas Dallas/Fort Worth

$2,121British Airways

Mon, Sep 14 - Wed, Mar 10

11:04 am - 4:40 pmSMF Sacramento Intl-LHR London Heathrow

21h 36m2 stops Dallas/Fort Worth Barcelona-El Prat

5:25 pm - 10:14 amLHR London Heathrow-SMF Sacramento Intl

24h 49m2 stops Madrid Barajas Dallas/Fort Worth

$2,121British Airways

Mon, Sep 14 - Mon, Mar 8

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United Airlines flights from Sacramento to London

Our best United Airlines deals on Sacramento to London flight tickets

United Airlines

Oct 20

SMF11:41 amSacramento Intl

18h 29m

1 stop

LHR2:10 pmLondon Heathrow

Oct 27

LHR9:30 amLondon Heathrow

17h 10m

2 stops

SMF7:40 pmSacramento Intl

$918

United Airlines

Oct 21

SMF1:12 pmSacramento Intl

15h 23m

1 stop

LHR12:35 pmLondon Heathrow

Oct 27

LHR11:05 amLondon Heathrow

41h 47m

2 stops

SMF9:52 pmSacramento Intl

$919

United Airlines

Oct 7

SMF1:12 pmSacramento Intl

12h 28m

1 stop

LHR9:40 amLondon Heathrow

Oct 22

LHR11:25 amLondon Heathrow

14h 15m

1 stop

SMF5:40 pmSacramento Intl

$936

Air Canada flights from Sacramento to London

Our best Air Canada deals on Sacramento to London flight tickets

Air Canada

Oct 7

SMF6:00 amSacramento Intl

23h 20m

2 stops

LHR1:20 pmLondon Heathrow

Oct 22

LHR5:40 pmLondon Heathrow

31h 59m

2 stops

SMF5:39 pmSacramento Intl

$920

Air Canada

Oct 11

SMF6:00 pmSacramento Intl

33h 50m

2 stops

LHR11:50 amLondon Heathrow

Oct 21

LHR3:05 pmLondon Heathrow

34h 16m

1 stop

SMF5:21 pmSacramento Intl

$921

Air Canada

Oct 10

SMF6:00 pmSacramento Intl

30h 35m

2 stops

LHR8:35 amLondon Heathrow

Oct 20

LHR5:40 pmLondon Heathrow

29h 31m

2 stops

SMF3:11 pmSacramento Intl

$924

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

SacramentoLondon

SMF Sacramento Intl - LHR London Heathrow

SMFLHR

Sacramento Intl

Tue 10/20

11:41 am-2:10 pm

1 stop18h 29m

London Heathrow

Tue 10/27

9:30 am-7:40 pm

2 stops17h 10m

$918

SacramentoLondon

SMF Sacramento Intl - LHR London Heathrow

SMFLHR

Sacramento Intl

Mon 12/28

7:48 pm-1:30 pm

1 stop33h 42m

London Heathrow

Fri 1/8

2:30 pm-3:21 pm

1 stop32h 51m

$918

SacramentoLondon

SMF Sacramento Intl - LGW London Gatwick

SMFLGW

Sacramento Intl

Tue 10/6

2:17 pm-4:00 pm

2 stops17h 43m

London Gatwick

Tue 10/13

10:35 am-10:46 pm

2 stops20h 11m

$918

SacramentoLondon

SMF Sacramento Intl - LGW London Gatwick

SMFLGW

Sacramento Intl

Sun 10/11

2:17 pm-4:00 pm

2 stops17h 43m

London Gatwick

Fri 10/23

10:25 am-10:46 pm

2 stops20h 21m

$918

SacramentoLondon

SMF Sacramento Intl - LHR London Heathrow

SMFLHR

Sacramento Intl

Tue 11/3

8:00 am-7:25 am

1 stop15h 25m

London Heathrow

Mon 11/9

11:05 am-9:52 pm

2 stops42h 47m

$919

SacramentoLondon

SMF Sacramento Intl - LHR London Heathrow

SMFLHR

Sacramento Intl

Sat 2/13

4:05 pm-6:30 am

2 stops30h 25m

London Heathrow

Sun 2/21

2:30 pm-3:21 pm

1 stop32h 51m

$919

SacramentoLondon

SMF Sacramento Intl - LCY London City

SMFLCY

Sacramento Intl

Wed 1/6

11:50 am-5:40 pm

2 stops21h 50m

London City

Wed 1/13

9:50 am-8:47 pm

2 stops18h 57m

$920

SacramentoLondon

SMF Sacramento Intl - LHR London Heathrow

SMFLHR

Sacramento Intl

Thu 12/3

7:00 am-3:50 pm

2 stops24h 50m

London Heathrow

Mon 12/7

5:50 pm-3:21 pm

2 stops53h 31m

$922

SacramentoLondon

SMF Sacramento Intl - LHR London Heathrow

SMFLHR

Sacramento Intl

Sat 1/2

9:46 pm-12:20 pm

1 stop30h 34m

London Heathrow

Fri 1/8

2:45 pm-10:15 pm

1 stop15h 30m

$926

SacramentoLondon

SMF Sacramento Intl - LHR London Heathrow

SMFLHR

Sacramento Intl

Sat 1/2

9:46 pm-12:20 pm

1 stop30h 34m

London Heathrow

Sun 1/10

2:45 pm-11:06 am

1 stop28h 21m

$926

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Layovers

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

Prices are currently low for flights on this route.

Typical prices usually range from $925 to $1,159.
The lowest price recently found on this route was $918.

What is the cheapest month to fly to London?

The cheapest month to fly to London from Sacramento is in March. Flight prices, which tend to average around $652, are often lower during this time because this is during the off-season. The month of April is another great option to travel to London, with average flight prices from Sacramento averaging around $826.

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

The cheapest day to depart from Sacramento to London is on a Tuesday. Travelers who choose to depart for London on a Tuesday will often find tickets for as low as $941. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $1,072. 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 $881 when looking at flights departing in the morning. Flights to London are more costly at noon, with an average ticket price of $1,045. 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 from Sacramento 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 $967 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 $830 on momondo.

Can stopping save me money on Sacramento to London flights?

You could potentially save up to 12% 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

Best Price Found	$275
Fastest flight time	12h 30m
Direct flights	None

The best one-way flight to London from Sacramento in the past 72 hours is $275. The best round-trip flight deal from Sacramento to London found on momondo in the last 72 hours is $918.

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

Frequently asked questions about flying from Sacramento to London

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?
As of September 2026, there are 7 operators available to choose from 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?
momondo data reveals that the most frequently booked airline on the route from Sacramento to London is United Airlines, representing 43% of all bookings. The subsequent popular airlines are Virgin Atlantic at 23%, Delta at 15%, and British Airways at 8%.

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 Atlantic	PriceFrom $590	Free Cancellation	Rating 7.4 694 reviews	Search Virgin Atlantic flights
Lufthansa	PriceFrom $624	Free Cancellation	Rating 6.8 8,216 reviews	Search Lufthansa flights
Delta	PriceFrom $625	Free Cancellation	Rating 7.8 8,554 reviews	Search Delta flights
United Airlines	PriceFrom $625	Free Cancellation	Rating 7.4 10,191 reviews	Search United Airlines flights
American Airlines	PriceFrom $675	Free Cancellation	Rating 7.1 12,049 reviews	Search American Airlines flights
British Airways	PriceFrom $679	Free Cancellation	Rating 6.7 8,210 reviews	Search British Airways flights
Alaska Airlines	PriceFrom $886	Free Cancellation	Rating 7.9 12,896 reviews	Search Alaska Airlines flights

Hounslow

Gatwick

Milton Keynes

Luton

Hayes

Wembley

Dover

Croydon

Richmond

Stansted

Kingston upon Thames

Harrow

Cobham

Watford

Slough

Eastbourne

Worthing

Hook

Uxbridge

Romford

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

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Cheap flights from Sacramento to London from $275

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 10/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Sacramento to London

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United Airlines flights from Sacramento to London

Our best United Airlines deals on Sacramento to London flight tickets

Air Canada flights from Sacramento to London

Our best Air Canada deals on Sacramento to London flight tickets

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Use the filters below to find and compare flights from Sacramento to London that are best for you.

See travel insights to London from

How to get the cheapest flight ticket from Sacramento to London

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

What is the cheapest month to fly to London?

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

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

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

Can stopping save me money on Sacramento to London flights?

How have Sacramento to London flight prices changed over time?

What is the cheapest airline that flies from Sacramento Intl to London?

What airlines fly to London?

Which airport is the most popular layover for flights between Sacramento and London?

Which layover airport offers the lowest fares from Sacramento to London?

Which layover airport has the shortest travel time from Sacramento to London?

Which layover airport has the shortest connection time from Sacramento to London?

When to book flights from Sacramento to London

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

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying 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

Traveling to a place near London?

Why use momondo?

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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

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

Fly your favorite airline to London

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to London

List of cabin classes available on flights landing in London. Availability may vary depending on flight origin and airline.

Popular cities in the United Kingdom

Popular flights according to clicks in the last 7 days on momondo

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