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.

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.

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

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

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

Seattle (SEA) was the most common stop: 42% of momondo users choosing 1-stop flights on this route connected there.

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.

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.

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.

$312 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

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Cheap round-trip flights

Enter your travel dates to find the best prices.

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

$824Multiple Airlines

Thu, Jan 21 - Mon, Jan 25

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

$826Multiple Airlines

Thu, Jan 21 - Mon, Jan 25

6:55 pm - 1:30 pmSMF Sacramento Intl-LHR London Heathrow

34h 35m1 stop Los Angeles

1:30 pm - 11:28 pmLHR London Heathrow-SMF Sacramento Intl

17h 58m2 stops Frankfurt am Main San Francisco

$838United Airlines

Tue, Mar 2 - Fri, Mar 5

11:06 am - 12:00 pmSMF Sacramento Intl-LHR London Heathrow

16h 54m1 stop Dallas/Fort Worth

6:05 am - 9:04 pmLHR London Heathrow-SMF Sacramento Intl

22h 59m2 stops Madrid Barajas Charlotte Douglas

$861British Airways

Tue, Feb 2 - Tue, Mar 2

2:52 pm - 12:15 pmSMF Sacramento Intl-LHR London Heathrow

13h 23m1 stop Dallas/Fort Worth

7:30 am - 10:54 pmLHR London Heathrow-SMF Sacramento Intl

23h 24m2 stops Madrid Barajas Los Angeles

$861British Airways

Mon, Jan 11 - Fri, Jan 22

5:00 pm - 12:20 pmSMF Sacramento Intl-LHR London Heathrow

35h 20m1 stop Seattle/Tacoma Intl

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

15h 08m1 stop Seattle/Tacoma Intl

$866Alaska Airlines

Sat, Feb 20 - Tue, Mar 9

8:50 am - 12:00 pmSMF Sacramento Intl-LHR London Heathrow

19h 10m2 stops Denver Intl Chicago O'Hare Intl

6:50 am - 9:05 pmLHR London Heathrow-SMF Sacramento Intl

22h 15m2 stops Brussels Bruxelles-National Washington, D.C. Dulles Intl

$882United Airlines

Wed, Feb 17 - Tue, Feb 23

11:55 am - 4:30 pmSMF Sacramento Intl-LHR London Heathrow

20h 35m1 stop Los Angeles

10:00 am - 10:05 pmLHR London Heathrow-SMF Sacramento Intl

20h 05m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

$882Delta

Wed, Feb 17 - Tue, Feb 23

7:00 am - 6:25 amSMF Sacramento Intl-LHR London Heathrow

15h 25m1 stop Atlanta Hartsfield-Jackson

10:00 am - 10:05 pmLHR London Heathrow-SMF Sacramento Intl

20h 05m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

$882Delta

Wed, Feb 17 - Tue, Feb 23

2:56 pm - 12:20 pmSMF Sacramento Intl-LHR London Heathrow

13h 24m1 stop Seattle/Tacoma Intl

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

15h 08m1 stop Seattle/Tacoma Intl

$887Alaska Airlines

Tue, Feb 23 - Tue, Mar 2

Cheap last minute flights

Enter your travel dates to find the best prices.

11:20 am - 11:20 amSMF Sacramento Intl-LHR London Heathrow

16h 00m1 stop Seattle/Tacoma Intl

6:30 am - 7:11 pmLHR London Heathrow-SMF Sacramento Intl

20h 41m2 stops Amsterdam Schiphol Seattle/Tacoma Intl

$1,036Delta

Fri, Oct 16 - Wed, Oct 21

11:20 am - 11:20 amSMF Sacramento Intl-LHR London Heathrow

16h 00m1 stop Seattle/Tacoma Intl

8:55 am - 10:46 pmLHR London Heathrow-SMF Sacramento Intl

21h 51m2 stops Paris Charles de Gaulle Seattle/Tacoma Intl

$1,043Delta

Fri, Oct 16 - Thu, Oct 22

11:38 pm - 9:30 amSMF Sacramento Intl-LHR London Heathrow

25h 52m1 stop New York John F Kennedy Intl

11:55 am - 9:21 pmLHR London Heathrow-SMF Sacramento Intl

17h 26m1 stop New York John F Kennedy Intl

$1,048JetBlue

Mon, Oct 19 - Thu, Oct 22

11:38 pm - 9:30 amSMF Sacramento Intl-LHR London Heathrow

25h 52m1 stop New York John F Kennedy Intl

11:55 am - 9:21 pmLHR London Heathrow-SMF Sacramento Intl

17h 26m1 stop New York John F Kennedy Intl

$1,048JetBlue

Sat, Oct 17 - Thu, Oct 22

7:30 am - 3:05 pmSMF Sacramento Intl-LHR London Heathrow

23h 35m1 stop Seattle/Tacoma Intl

2:45 pm - 11:51 pmLHR London Heathrow-SMF Sacramento Intl

16h 06m1 stop Seattle/Tacoma Intl

$1,071Alaska Airlines

Sun, Oct 18 - Sun, Oct 25

10:50 am - 2:40 pmSMF Sacramento Intl-LHR London Heathrow

19h 50m2 stops Denver Intl Frankfurt am Main

6:30 am - 9:42 pmLHR London Heathrow-SMF Sacramento Intl

23h 12m2 stops Frankfurt am Main San Francisco

$1,155Lufthansa

Tue, Oct 20 - Thu, Oct 22

10:12 am - 5:40 pmSMF Sacramento Intl-LHR London Heathrow

23h 28m2 stops Los Angeles Frankfurt am Main

6:30 am - 8:07 pmLHR London Heathrow-SMF Sacramento Intl

21h 37m2 stops Frankfurt am Main San Francisco

$1,155Lufthansa

Mon, Oct 19 - Wed, Oct 21

11:20 am - 11:20 amSMF Sacramento Intl-LHR London Heathrow

16h 00m1 stop Seattle/Tacoma Intl

6:30 am - 6:12 pmLHR London Heathrow-SMF Sacramento Intl

19h 42m2 stops Amsterdam Schiphol Los Angeles

$1,186Virgin Atlantic

Sun, Oct 18 - Fri, Oct 23

8:23 am - 3:05 pmSMF Sacramento Intl-LHR London Heathrow

22h 42m1 stop Seattle/Tacoma Intl

5:00 pm - 11:51 pmLHR London Heathrow-SMF Sacramento Intl

14h 51m1 stop Seattle/Tacoma Intl

$1,196Alaska Airlines

Mon, Oct 19 - Fri, Oct 23

10:55 pm - 8:40 pmSMF Sacramento Intl-LHR London Heathrow

13h 45m1 stop Newark

11:05 am - 6:48 pmLHR London Heathrow-SMF Sacramento Intl

15h 43m1 stop Chicago O'Hare Intl

$1,214United Airlines

Sat, Oct 17 - Wed, Oct 21

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United Airlines flights from Sacramento to London

Our best United Airlines deals on Sacramento to London flight tickets

United Airlines

Mar 2

SMF6:55 pmSacramento Intl

34h 35m

1 stop

LHR1:30 pmLondon Heathrow

Mar 5

LHR1:30 pmLondon Heathrow

17h 58m

2 stops

SMF11:28 pmSacramento Intl

$838

United Airlines

Feb 17

SMF8:50 amSacramento Intl

19h 10m

2 stops

LHR12:00 pmLondon Heathrow

Feb 23

LHR6:50 amLondon Heathrow

22h 15m

2 stops

SMF9:05 pmSacramento Intl

$883

United Airlines

Feb 20

SMF6:20 pmSacramento Intl

31h 20m

1 stop

LHR9:40 amLondon Heathrow

Mar 4

LHR2:30 pmLondon Heathrow

32h 49m

1 stop

SMF3:19 pmSacramento Intl

$892

British Airways flights from Sacramento to London

Our best British Airways deals on Sacramento to London flight tickets

British Airways

Jan 11

SMF2:52 pmSacramento Intl

13h 23m

1 stop

LHR12:15 pmLondon Heathrow

Jan 22

LHR7:30 amLondon Heathrow

23h 24m

2 stops

SMF10:54 pmSacramento Intl

$861

British Airways

Feb 1

SMF11:06 amSacramento Intl

16h 54m

1 stop

LHR12:00 pmLondon Heathrow

Feb 15

LHR7:40 pmLondon Heathrow

22h 39m

2 stops

SMF10:19 amSacramento Intl

$876

British Airways

Apr 6

SMF8:18 amSacramento Intl

19h 42m

2 stops

LHR12:00 pmLondon Heathrow

Apr 20

LHR6:10 amLondon Heathrow

21h 23m

2 stops

SMF7:33 pmSacramento Intl

$877

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

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

$824

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

$826

SacramentoLondon

SMF Sacramento Intl - LHR London Heathrow

SMFLHR

Sacramento Intl

Tue 3/2

6:55 pm-1:30 pm

1 stop34h 35m

London Heathrow

Fri 3/5

1:30 pm-11:28 pm

2 stops17h 58m

$838

SacramentoLondon

SMF Sacramento Intl - LHR London Heathrow

SMFLHR

Sacramento Intl

Tue 2/2

11:06 am-12:00 pm

1 stop16h 54m

London Heathrow

Tue 3/2

6:05 am-9:04 pm

2 stops22h 59m

$861

SacramentoLondon

SMF Sacramento Intl - LHR London Heathrow

SMFLHR

Sacramento Intl

Mon 1/11

2:52 pm-12:15 pm

1 stop13h 23m

London Heathrow

Fri 1/22

7:30 am-10:54 pm

2 stops23h 24m

$861

SacramentoLondon

SMF Sacramento Intl - LHR London Heathrow

SMFLHR

Sacramento Intl

Sat 2/20

5:00 pm-12:20 pm

1 stop35h 20m

London Heathrow

Tue 3/9

2:45 pm-9:53 pm

1 stop15h 08m

$866

SacramentoLondon

SMF Sacramento Intl - LHR London Heathrow

SMFLHR

Sacramento Intl

Wed 2/17

8:50 am-12:00 pm

2 stops19h 10m

London Heathrow

Tue 2/23

6:50 am-9:05 pm

2 stops22h 15m

$882

SacramentoLondon

SMF Sacramento Intl - LHR London Heathrow

SMFLHR

Sacramento Intl

Wed 2/17

11:55 am-4:30 pm

1 stop20h 35m

London Heathrow

Tue 2/23

10:00 am-10:05 pm

2 stops20h 05m

$882

SacramentoLondon

SMF Sacramento Intl - LHR London Heathrow

SMFLHR

Sacramento Intl

Wed 2/17

7:00 am-6:25 am

1 stop15h 25m

London Heathrow

Tue 2/23

10:00 am-10:05 pm

2 stops20h 05m

$882

Quickest round-trip

SacramentoLondon

SMF Sacramento Intl - LHR London Heathrow

SMFLHR

Sacramento Intl

Tue 2/23

2:56 pm-12:20 pm

1 stop13h 24m

London Heathrow

Tue 3/2

2:45 pm-9:53 pm

1 stop15h 08m

$887

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 typical for flights on this route.

Typical prices usually range from $802 to $1,133.
The lowest price recently found on this route was $824.

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 $973 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	$312
Fastest flight time	13h 15m
Direct flights	None

The best one-way flight to London from Sacramento in the past 72 hours is $312. The best round-trip flight deal from Sacramento to London found on momondo in the last 72 hours is $824.

The fastest flight from Sacramento to London takes 13h 15m

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 13h 15m.
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 46% 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 7.5 695 reviews	Search Virgin Atlantic flights
Lufthansa	PriceFrom $624	Free Cancellation	Rating 6.8 8,278 reviews	Search Lufthansa flights
Delta	PriceFrom $625	Free Cancellation	Rating 7.8 8,652 reviews	Search Delta flights
United Airlines	PriceFrom $625	Free Cancellation	Rating 7.4 10,366 reviews	Search United Airlines flights
American Airlines	PriceFrom $675	Free Cancellation	Rating 7.0 12,168 reviews	Search American Airlines flights
British Airways	PriceFrom $753	Free Cancellation	Rating 6.7 8,261 reviews	Search British Airways flights
Alaska Airlines	PriceFrom $886	Free Cancellation	Rating 7.9 13,072 reviews	Search Alaska Airlines flights

Hounslow

Gatwick

Croydon

Hayes

Milton Keynes

Luton

Stansted

Dover

Kingston upon Thames

Wembley

Richmond

Watford

Worthing

Harrow

Slough

Hook

Ilford

Canterbury

Dunstable

Eastbourne

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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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 $312

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 4/4. 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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Big names and deals

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Filter for what you want

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United Airlines flights from Sacramento to London

Our best United Airlines deals on Sacramento to London flight tickets

British Airways flights from Sacramento to London

Our best British Airways deals on Sacramento to London flight tickets

momondo Fare Finder

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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