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: 31% 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.

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?

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

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 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.

$320 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

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One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

4:05 pm - 7:10 amSMF Sacramento Intl-LHR London Heathrow

31h 05m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

1:00 pm - 3:21 pmLHR London Heathrow-SMF Sacramento Intl

34h 21m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl

$807Air Canada

Sat, Jan 16 - Sun, Jan 31

6:00 am - 7:45 amSMF Sacramento Intl-LHR London Heathrow

17h 45m2 stops Salt Lake City Detroit Metropolitan Wayne County

11:30 am - 10:16 pmLHR London Heathrow-SMF Sacramento Intl

18h 46m2 stops Paris Charles de Gaulle Los Angeles

$810Delta

Tue, Jan 19 - Sun, Jan 24

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

35h 20m1 stop Seattle/Tacoma Intl

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

15h 30m1 stop Seattle/Tacoma Intl

$812Alaska Airlines

Sat, Jan 9 - Sun, Feb 7

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

32h 00m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

3:05 pm - 5:21 pmLHR London Heathrow-SMF Sacramento Intl

34h 16m1 stop Vancouver Intl

$812Air Canada

Sun, Oct 11 - Mon, Oct 19

2:51 pm - 12:15 pmSMF Sacramento Intl-LHR London Heathrow

13h 24m1 stop Dallas/Fort Worth

7:30 am - 10:53 pmLHR London Heathrow-SMF Sacramento Intl

23h 23m2 stops Madrid Barajas Los Angeles

$813British Airways

Thu, Feb 4 - Sun, Feb 7

2:49 pm - 12:15 pmSMF Sacramento Intl-LHR London Heathrow

13h 26m1 stop Dallas/Fort Worth

6:10 am - 9:23 pmLHR London Heathrow-SMF Sacramento Intl

23h 13m2 stops Madrid Barajas Charlotte Douglas

$813British Airways

Thu, Mar 4 - Sun, Mar 7

1:00 pm - 1:35 pmSMF Sacramento Intl-LHR London Heathrow

16h 35m1 stop Phoenix Sky Harbor Intl

3:40 pm - 11:59 pmLHR London Heathrow-SMF Sacramento Intl

16h 19m1 stop Chicago O'Hare Intl

$815American Airlines

Mon, Feb 22 - Mon, Mar 8

1:38 pm - 11:35 amSMF Sacramento Intl-LHR London Heathrow

13h 57m1 stop Chicago O'Hare Intl

2:55 pm - 10:15 pmLHR London Heathrow-SMF Sacramento Intl

15h 20m1 stop Seattle/Tacoma Intl

$815American Airlines

Wed, Feb 3 - Mon, Feb 8

11:25 am - 10:40 amSMF Sacramento Intl-LHR London Heathrow

15h 15m1 stop Seattle/Tacoma Intl

9:50 am - 11:52 pmLHR London Heathrow-SMF Sacramento Intl

22h 02m2 stops Minneapolis St Paul Salt Lake City

$842Delta

Sun, Dec 13 - Mon, Dec 21

10:04 am - 12:20 pmSMF Sacramento Intl-LHR London Heathrow

18h 16m1 stop Seattle/Tacoma Intl

2:45 pm - 11:08 pmLHR London Heathrow-SMF Sacramento Intl

16h 23m1 stop Seattle/Tacoma Intl

$852Alaska Airlines

Fri, Nov 27 - Sun, Dec 13

Cheap last minute flights

Enter your travel dates to find the best prices.

2:25 pm - 6:30 amSMF Sacramento Intl-LHR London Heathrow

32h 05m2 stops Chicago O'Hare Intl Montreal Pierre Elliott Trudeau Intl

10:15 am - 5:21 pmLHR London Heathrow-SMF Sacramento Intl

39h 06m2 stops Calgary Vancouver Intl

$828Air Canada

Fri, Sep 25 - Fri, Oct 23

2:21 pm - 12:50 pmSMF Sacramento Intl-LHR London Heathrow

14h 29m1 stop Dallas/Fort Worth

6:45 pm - 10:14 amLHR London Heathrow-SMF Sacramento Intl

23h 29m2 stops Madrid Barajas Dallas/Fort Worth

$1,046Iberia

Wed, Sep 23 - Wed, Mar 10

6:16 am - 10:15 amSMF Sacramento Intl-LHR London Heathrow

19h 59m1 stop Los Angeles

11:45 am - 10:45 pmLHR London Heathrow-SMF Sacramento Intl

19h 00m2 stops Amsterdam Schiphol Seattle/Tacoma Intl

$1,049Delta

Wed, Sep 23 - Tue, Sep 29

9:17 am - 1:05 pmSMF Sacramento Intl-LHR London Heathrow

19h 48m2 stops Los Angeles Minneapolis St Paul

8:40 am - 7:40 pmLHR London Heathrow-SMF Sacramento Intl

19h 00m2 stops Amsterdam Schiphol Los Angeles

$1,054Delta

Wed, Sep 23 - Tue, Sep 29

6:30 am - 2:10 pmSMF Sacramento Intl-LHR London Heathrow

23h 40m1 stop San Francisco

3:05 pm - 5:26 pmLHR London Heathrow-SMF Sacramento Intl

34h 21m1 stop Vancouver Intl

$1,056United Airlines

Wed, Sep 23 - Tue, Sep 29

9:17 am - 10:00 amSMF Sacramento Intl-LHR London Heathrow

16h 43m2 stops Los Angeles Salt Lake City

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

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

$1,059Virgin Atlantic

Wed, Sep 23 - Wed, Mar 10

2:00 pm - 7:25 amSMF Sacramento Intl-LHR London Heathrow

33h 25m1 stop San Francisco

3:05 pm - 5:21 pmLHR London Heathrow-SMF Sacramento Intl

34h 16m1 stop Vancouver Intl

$1,104United Airlines

Fri, Sep 25 - Fri, Oct 23

11:04 am - 1:10 pmSMF Sacramento Intl-LCY London City

18h 06m2 stops Dallas/Fort Worth Barcelona-El Prat

7:40 am - 10:50 pmLCY London City-SMF Sacramento Intl

23h 10m2 stops Madrid Barajas Los Angeles

$1,155British Airways

Wed, Sep 23 - Wed, Mar 10

10:47 am - 3:05 pmSMF Sacramento Intl-LHR London Heathrow

20h 18m2 stops San Diego Seattle/Tacoma Intl

5:00 pm - 9:19 amLHR London Heathrow-SMF Sacramento Intl

24h 19m1 stop Seattle/Tacoma Intl

$1,277Alaska Airlines

Sat, Sep 26 - Thu, Oct 1

11:04 am - 1:10 pmSMF Sacramento Intl-LCY London City

18h 06m2 stops Dallas/Fort Worth Barcelona-El Prat

9:35 am - 11:34 pmLCY London City-SMF Sacramento Intl

21h 59m2 stops Madrid Barajas Dallas/Fort Worth

$1,377British Airways

Wed, Sep 23 - Tue, Sep 29

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Scandinavian Airlines flights from Sacramento to London

Our best Scandinavian Airlines deals on Sacramento to London flight tickets

Scandinavian Airlines

Sep 29

SMF11:17 amSacramento Intl

22h 23m

2 stops

LHR5:40 pmLondon Heathrow

Oct 3

LHR6:40 amLondon Heathrow

20h 20m

2 stops

SMF7:00 pmSacramento Intl

$1,198

Scandinavian Airlines

Sep 29

SMF1:00 pmSacramento Intl

24h 40m

2 stops

LHR9:40 pmLondon Heathrow

Oct 14

LHR6:40 amLondon Heathrow

24h 20m

3 stops

SMF11:00 pmSacramento Intl

$1,295

Scandinavian Airlines

Sep 30

SMF2:14 pmSacramento Intl

20h 16m

2 stops

LHR6:30 pmLondon Heathrow

Oct 6

LHR6:40 amLondon Heathrow

20h 31m

3 stops

SMF7:11 pmSacramento Intl

$1,343

Alaska Airlines flights from Sacramento to London

Our best Alaska Airlines deals on Sacramento to London flight tickets

Alaska Airlines

Sep 28

SMF10:15 amSacramento Intl

20h 50m

1 stop

LHR3:05 pmLondon Heathrow

Oct 3

LHR5:00 pmLondon Heathrow

25h 25m

1 stop

SMF10:25 amSacramento Intl

$807

Alaska Airlines

Jan 21

SMF1:03 pmSacramento Intl

15h 17m

1 stop

LHR12:20 pmLondon Heathrow

Jan 25

LHR2:45 pmLondon Heathrow

15h 30m

1 stop

SMF10:15 pmSacramento Intl

$856

Alaska Airlines

Nov 2

SMF2:52 pmSacramento Intl

13h 28m

1 stop

LHR12:20 pmLondon Heathrow

Nov 9

LHR2:45 pmLondon Heathrow

15h 21m

1 stop

SMF10:06 pmSacramento Intl

$868

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SacramentoLondon

SMF Sacramento Intl - LHR London Heathrow

SMFLHR

Sacramento Intl

Sat 1/16

4:05 pm-7:10 am

2 stops31h 05m

London Heathrow

Sun 1/31

1:00 pm-3:21 pm

2 stops34h 21m

$807

SacramentoLondon

SMF Sacramento Intl - LHR London Heathrow

SMFLHR

Sacramento Intl

Tue 1/19

6:00 am-7:45 am

2 stops17h 45m

London Heathrow

Sun 1/24

11:30 am-10:16 pm

2 stops18h 46m

$810

SacramentoLondon

SMF Sacramento Intl - LHR London Heathrow

SMFLHR

Sacramento Intl

Sat 1/9

5:00 pm-12:20 pm

1 stop35h 20m

London Heathrow

Sun 2/7

2:45 pm-10:15 pm

1 stop15h 30m

$812

SacramentoLondon

SMF Sacramento Intl - LHR London Heathrow

SMFLHR

Sacramento Intl

Sun 10/11

6:00 pm-10:00 am

2 stops32h 00m

London Heathrow

Mon 10/19

3:05 pm-5:21 pm

1 stop34h 16m

$812

SacramentoLondon

SMF Sacramento Intl - LHR London Heathrow

SMFLHR

Sacramento Intl

Thu 2/4

2:51 pm-12:15 pm

1 stop13h 24m

London Heathrow

Sun 2/7

7:30 am-10:53 pm

2 stops23h 23m

$813

SacramentoLondon

SMF Sacramento Intl - LHR London Heathrow

SMFLHR

Sacramento Intl

Thu 3/4

2:49 pm-12:15 pm

1 stop13h 26m

London Heathrow

Sun 3/7

6:10 am-9:23 pm

2 stops23h 13m

$813

SacramentoLondon

SMF Sacramento Intl - LHR London Heathrow

SMFLHR

Sacramento Intl

Mon 2/22

1:00 pm-1:35 pm

1 stop16h 35m

London Heathrow

Mon 3/8

3:40 pm-11:59 pm

1 stop16h 19m

$815

Quickest round-trip

SacramentoLondon

SMF Sacramento Intl - LHR London Heathrow

SMFLHR

Sacramento Intl

Wed 2/3

1:38 pm-11:35 am

1 stop13h 57m

London Heathrow

Mon 2/8

2:55 pm-10:15 pm

1 stop15h 20m

$815

SacramentoLondon

SMF Sacramento Intl - LHR London Heathrow

SMFLHR

Sacramento Intl

Sun 12/13

11:25 am-10:40 am

1 stop15h 15m

London Heathrow

Mon 12/21

9:50 am-11:52 pm

2 stops22h 02m

$842

SacramentoLondon

SMF Sacramento Intl - LHR London Heathrow

SMFLHR

Sacramento Intl

Fri 11/27

10:04 am-12:20 pm

1 stop18h 16m

London Heathrow

Sun 12/13

2:45 pm-11:08 pm

1 stop16h 23m

$852

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 $850 to $1,098.
The lowest price recently found on this route was $807.

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 $845.

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 $947. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $1,082. 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 $885 when looking at flights departing in the morning. Flights to London are more costly at noon, with an average ticket price of $1,056. 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 $969 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	$320
Fastest flight time	12h 45m
Direct flights	None

The best one-way flight to London from Sacramento in the past 72 hours is $320. The best round-trip flight deal from Sacramento to London found on momondo in the last 72 hours is $807.

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 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 45% of all bookings. The subsequent popular airlines are Virgin Atlantic at 25%, Delta at 16%, and American Airlines 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 7.4 694 reviews	Search Virgin Atlantic flights
Lufthansa	PriceFrom $624	Free Cancellation	Rating 6.8 8,237 reviews	Search Lufthansa flights
Delta	PriceFrom $625	Free Cancellation	Rating 7.8 8,593 reviews	Search Delta flights
United Airlines	PriceFrom $625	Free Cancellation	Rating 7.4 10,220 reviews	Search United Airlines flights
American Airlines	PriceFrom $675	Free Cancellation	Rating 7.0 12,072 reviews	Search American Airlines flights
British Airways	PriceFrom $753	Free Cancellation	Rating 6.7 8,225 reviews	Search British Airways flights
Alaska Airlines	PriceFrom $886	Free Cancellation	Rating 7.9 12,954 reviews	Search Alaska Airlines flights

Hounslow

Gatwick

Milton Keynes

Croydon

Luton

Hayes

Dover

Wembley

Kingston upon Thames

Richmond

Stansted

Watford

Harrow

Cobham

Worthing

Eastbourne

Slough

Hook

Uxbridge

Ilford

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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London City Airport

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London Heathrow Airport

London Luton Airport

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London Stansted Airport

Cheap flights from Sacramento to London from $320

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 10/5. 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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Scandinavian Airlines flights from Sacramento to London

Our best Scandinavian Airlines deals on Sacramento to London flight tickets

Alaska Airlines flights from Sacramento to London

Our best Alaska 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?

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

Complete your trip to London

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