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

Flights connecting via Denver (DEN) have the shortest average one-way travel time: 12h 23m.

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

Seattle (SEA) was the most common stop: 39% of momondo users choosing 1-stop flights on this route connected there.

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 41% 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.

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

British Airways, Air Canada, and Virgin Atlantic are the most popular carriers operating from Sacramento Intl to London

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

Denver (DEN) has the shortest average layover time for this route: 1h 26m.

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 October 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.

$310 Cheap Flights from Sacramento to London in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Sacramento to London

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:45 pm - 9:40 amSMF Sacramento Intl-LHR London Heathrow

30h 55m2 stops San Francisco Denver Intl

9:30 am - 7:37 pmLHR London Heathrow-SMF Sacramento Intl

18h 07m2 stops Frankfurt am Main San Francisco

$781United Airlines

Tue, Mar 2 - Fri, Mar 5

6:45 pm - 9:40 amSMF Sacramento Intl-LHR London Heathrow

30h 55m2 stops San Francisco Denver Intl

9:30 am - 7:37 pmLHR London Heathrow-SMF Sacramento Intl

18h 07m2 stops Frankfurt am Main San Francisco

$786United Airlines

Tue, Mar 2 - Fri, Mar 5

7:00 am - 3:00 pmSMF Sacramento Intl-LGW London Gatwick

24h 00m2 stops Seattle/Tacoma Intl Frankfurt am Main

10:25 am - 10:15 pmLGW London Gatwick-SMF Sacramento Intl

19h 50m2 stops Frankfurt am Main Seattle/Tacoma Intl

$852Multiple Airlines

Thu, Jan 21 - Mon, Jan 25

11:11 am - 10:00 amSMF Sacramento Intl-LHR London Heathrow

14h 49m1 stop Dallas/Fort Worth

7:35 am - 8:19 pmLHR London Heathrow-SMF Sacramento Intl

20h 44m2 stops Madrid Barajas Dallas/Fort Worth

$862British Airways

Mon, Mar 1 - Wed, Mar 10

8:20 am - 5:50 pmSMF Sacramento Intl-LGW London Gatwick

25h 30m2 stops Washington, D.C. Dulles Intl Zurich

8:40 am - 8:18 pmLGW London Gatwick-SMF Sacramento Intl

19h 38m2 stops Zurich Los Angeles

$864SWISS

Tue, Feb 2 - Sun, Feb 14

5:15 pm - 3:15 pmSMF Sacramento Intl-LHR London Heathrow

15h 00m1 stop Los Angeles

6:15 am - 9:14 pmLHR London Heathrow-SMF Sacramento Intl

22h 59m2 stops Madrid Barajas Charlotte Douglas

$866British Airways

Tue, Mar 23 - Wed, Apr 7

6:15 am - 12:20 pmSMF Sacramento Intl-LHR London Heathrow

22h 05m1 stop Seattle/Tacoma Intl

2:45 pm - 9:53 pmLHR London Heathrow-SMF Sacramento Intl

15h 08m1 stop Seattle/Tacoma Intl

$887Alaska Airlines

Mon, Feb 22 - Fri, Mar 5

7:00 am - 12:20 pmSMF Sacramento Intl-LHR London Heathrow

21h 20m1 stop Seattle/Tacoma Intl

2:45 pm - 9:53 pmLHR London Heathrow-SMF Sacramento Intl

15h 08m1 stop Seattle/Tacoma Intl

$888Alaska Airlines

Tue, Feb 2 - Tue, Mar 2

11:10 am - 10:40 amSMF Sacramento Intl-LHR London Heathrow

16h 30m1 stop Seattle/Tacoma Intl

9:55 am - 7:30 pmLHR London Heathrow-SMF Sacramento Intl

17h 35m2 stops Amsterdam Schiphol Seattle/Tacoma Intl

$898Delta

Wed, Mar 24 - Thu, Apr 8

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

20h 00m1 stop Salt Lake City

6:20 am - 4:02 pmLHR London Heathrow-SMF Sacramento Intl

17h 42m2 stops Paris Charles de Gaulle Salt Lake City

$901Delta

Tue, Mar 2 - Wed, Mar 10

Cheap last minute flights

Enter your travel dates to find the best prices.

2:35 pm - 2:25 pmSMF Sacramento Intl-LHR London Heathrow

15h 50m1 stop Dallas/Fort Worth

6:05 am - 11:28 pmLHR London Heathrow-SMF Sacramento Intl

25h 23m2 stops Madrid Barajas Dallas/Fort Worth

$1,034Iberia

Thu, Oct 22 - Tue, Nov 3

2:35 pm - 2:25 pmSMF Sacramento Intl-LHR London Heathrow

15h 50m1 stop Dallas/Fort Worth

6:05 am - 11:28 pmLHR London Heathrow-SMF Sacramento Intl

25h 23m2 stops Madrid Barajas Dallas/Fort Worth

$1,035Iberia

Thu, Oct 22 - Tue, Nov 3

11:59 pm - 6:55 amSMF Sacramento Intl-LGW London Gatwick

22h 56m2 stops Dallas/Fort Worth Orlando

11:15 am - 10:48 amLGW London Gatwick-SMF Sacramento Intl

31h 33m2 stops Orlando Los Angeles

$1,039American Airlines

Thu, Oct 22 - Tue, Nov 3

11:20 am - 4:00 pmSMF Sacramento Intl-LGW London Gatwick

20h 40m2 stops Seattle/Tacoma Intl Paris Charles de Gaulle

10:00 am - 9:31 pmLGW London Gatwick-SMF Sacramento Intl

19h 31m2 stops Paris Charles de Gaulle Atlanta Hartsfield-Jackson

$1,048Delta

Thu, Oct 22 - Tue, Nov 3

7:00 am - 6:20 amSMF Sacramento Intl-LHR London Heathrow

15h 20m1 stop Dallas/Fort Worth

11:55 am - 6:53 pmLHR London Heathrow-SMF Sacramento Intl

14h 58m1 stop Los Angeles

$1,066American Airlines

Thu, Oct 22 - Tue, Nov 3

2:17 pm - 5:35 pmSMF Sacramento Intl-LHR London Heathrow

19h 18m1 stop Los Angeles

6:30 am - 4:57 pmLHR London Heathrow-SMF Sacramento Intl

18h 27m2 stops Amsterdam Schiphol Seattle/Tacoma Intl

$1,087Delta

Thu, Oct 22 - Sun, Nov 8

6:38 pm - 10:10 amSMF Sacramento Intl-LHR London Heathrow

31h 32m1 stop Los Angeles

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

32h 51m1 stop Vancouver Intl

$1,094United Airlines

Thu, Oct 22 - Sun, Nov 8

6:38 pm - 10:10 amSMF Sacramento Intl-LHR London Heathrow

31h 32m1 stop Los Angeles

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

32h 51m1 stop Vancouver Intl

$1,105United Airlines

Thu, Oct 22 - Sun, Nov 8

11:26 am - 1:05 pmSMF Sacramento Intl-LHR London Heathrow

17h 39m2 stops Los Angeles Minneapolis St Paul

12:20 pm - 11:00 pmLHR London Heathrow-SMF Sacramento Intl

17h 40m2 stops Seattle/Tacoma Intl Los Angeles

$1,132Virgin Atlantic

Thu, Oct 22 - Sun, Oct 25

7:00 am - 10:50 amSMF Sacramento Intl-LGW London Gatwick

20h 50m2 stops Dallas/Fort Worth Madrid Barajas

7:40 pm - 10:10 amLGW London Gatwick-SMF Sacramento Intl

22h 30m2 stops Madrid Barajas Dallas/Fort Worth

$10,864British Airways

Tue, Oct 27 - Mon, Nov 2

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SWISS flights from Sacramento to London

Our best SWISS deals on Sacramento to London flight tickets

SWISS

Feb 2

SMF8:20 amSacramento Intl

25h 30m

2 stops

LGW5:50 pmLondon Gatwick

Feb 14

LGW8:40 amLondon Gatwick

19h 38m

2 stops

SMF8:18 pmSacramento Intl

$864

SWISS

Mar 2

SMF8:00 amSacramento Intl

21h 00m

2 stops

LHR1:00 pmLondon Heathrow

Mar 10

LHR9:00 amLondon Heathrow

21h 41m

2 stops

SMF10:41 pmSacramento Intl

$888

SWISS

Mar 1

SMF8:00 amSacramento Intl

25h 50m

2 stops

LGW5:50 pmLondon Gatwick

Mar 10

LGW8:40 amLondon Gatwick

22h 01m

2 stops

SMF10:41 pmSacramento Intl

$890

United Airlines flights from Sacramento to London

Our best United Airlines deals on Sacramento to London flight tickets

United Airlines

Mar 2

SMF6:45 pmSacramento Intl

30h 55m

2 stops

LHR9:40 amLondon Heathrow

Mar 5

LHR9:30 amLondon Heathrow

18h 07m

2 stops

SMF7:37 pmSacramento Intl

$781

United Airlines

Mar 2

SMF1:22 pmSacramento Intl

36h 53m

1 stop

LHR10:15 amLondon Heathrow

Mar 5

LHR9:30 amLondon Heathrow

18h 07m

2 stops

SMF7:37 pmSacramento Intl

$837

United Airlines

Mar 2

SMF1:22 pmSacramento Intl

36h 53m

1 stop

LHR10:15 amLondon Heathrow

Mar 5

LHR9:30 amLondon Heathrow

18h 07m

2 stops

SMF7:37 pmSacramento Intl

$838

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SacramentoLondon

SMF Sacramento Intl - LHR London Heathrow

SMFLHR

Sacramento Intl

Tue 3/2

6:45 pm-9:40 am

2 stops30h 55m

London Heathrow

Fri 3/5

9:30 am-7:37 pm

2 stops18h 07m

$781

SacramentoLondon

SMF Sacramento Intl - LHR London Heathrow

SMFLHR

Sacramento Intl

Tue 3/2

6:45 pm-9:40 am

2 stops30h 55m

London Heathrow

Fri 3/5

9:30 am-7:37 pm

2 stops18h 07m

$786

SacramentoLondon

SMF Sacramento Intl - LGW London Gatwick

SMFLGW

Sacramento Intl

Thu 1/21

7:00 am-3:00 pm

2 stops24h 00m

London Gatwick

Mon 1/25

10:25 am-10:15 pm

2 stops19h 50m

$852

SacramentoLondon

SMF Sacramento Intl - LHR London Heathrow

SMFLHR

Sacramento Intl

Mon 3/1

11:11 am-10:00 am

1 stop14h 49m

London Heathrow

Wed 3/10

7:35 am-8:19 pm

2 stops20h 44m

$862

SacramentoLondon

SMF Sacramento Intl - LGW London Gatwick

SMFLGW

Sacramento Intl

Tue 2/2

8:20 am-5:50 pm

2 stops25h 30m

London Gatwick

Sun 2/14

8:40 am-8:18 pm

2 stops19h 38m

$864

SacramentoLondon

SMF Sacramento Intl - LHR London Heathrow

SMFLHR

Sacramento Intl

Tue 3/23

5:15 pm-3:15 pm

1 stop15h 00m

London Heathrow

Wed 4/7

6:15 am-9:14 pm

2 stops22h 59m

$866

SacramentoLondon

SMF Sacramento Intl - LHR London Heathrow

SMFLHR

Sacramento Intl

Mon 2/22

6:15 am-12:20 pm

1 stop22h 05m

London Heathrow

Fri 3/5

2:45 pm-9:53 pm

1 stop15h 08m

$887

SacramentoLondon

SMF Sacramento Intl - LHR London Heathrow

SMFLHR

Sacramento Intl

Tue 2/2

7:00 am-12:20 pm

1 stop21h 20m

London Heathrow

Tue 3/2

2:45 pm-9:53 pm

1 stop15h 08m

$888

Quickest round-trip

SacramentoLondon

SMF Sacramento Intl - LHR London Heathrow

SMFLHR

Sacramento Intl

Wed 3/24

11:10 am-10:40 am

1 stop16h 30m

London Heathrow

Thu 4/8

9:55 am-7:30 pm

2 stops17h 35m

$898

SacramentoLondon

SMF Sacramento Intl - LHR London Heathrow

SMFLHR

Sacramento Intl

Tue 3/2

6:00 am-10:00 am

1 stop20h 00m

London Heathrow

Wed 3/10

6:20 am-4:02 pm

2 stops17h 42m

$901

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 $876 to $1,147.
The lowest price recently found on this route was $781.

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 $649, 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 $871.

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 $976 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 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

Best Price Found	$310
Fastest flight time	12h 45m
Direct flights	None

The best one-way flight to London from Sacramento in the past 72 hours is $310. The best round-trip flight deal from Sacramento to London found on momondo in the last 72 hours is $781.

The fastest flight from Sacramento to London takes 12h 45m

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 45m.
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 October 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 45% of all bookings. The subsequent popular airlines are Virgin Atlantic at 25%, Delta at 16%, and British Airways at 7%.

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 $599	Free Cancellation	Rating 7.5 697 reviews	Search Virgin Atlantic flights
Lufthansa	PriceFrom $624	Free Cancellation	Rating 6.8 8,291 reviews	Search Lufthansa flights
Delta	PriceFrom $625	Free Cancellation	Rating 7.8 8,664 reviews	Search Delta flights
United Airlines	PriceFrom $646	Free Cancellation	Rating 7.3 10,405 reviews	Search United Airlines flights
American Airlines	PriceFrom $675	Free Cancellation	Rating 7.0 12,186 reviews	Search American Airlines flights
British Airways	PriceFrom $753	Free Cancellation	Rating 6.7 8,267 reviews	Search British Airways flights
Alaska Airlines	PriceFrom $778	Free Cancellation	Rating 7.9 13,108 reviews	Search Alaska Airlines flights

Hounslow

Gatwick

Croydon

Hayes

Milton Keynes

Luton

Stansted

Kingston upon Thames

Dover

Wembley

Richmond

Watford

Crawley

Worthing

Harrow

Slough

Hook

Ilford

Canterbury

Brentford

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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Fly into one of these airports located in London

London City Airport

London Gatwick Airport

London Heathrow Airport

London Luton Airport

London Southend Airport

London Stansted Airport

Cheap flights from Sacramento to London from $310

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 3/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Sacramento to London

Cheap round-trip flights

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Cheap last minute flights

Big names and deals

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Filter for what you want

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SWISS flights from Sacramento to London

Our best SWISS deals on Sacramento to London flight tickets

United Airlines flights from Sacramento to London

Our best United Airlines 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?

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

Complete your trip to London

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