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.

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

Flights via Boston (BOS) offer the lowest average round-trip price of $390.

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

New York (JFK) was the most common stop: 27% of momondo users choosing 1-stop flights on this route connected there.

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

British Airways, United Airlines, and SWISS 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 44% of people opting to fly with this airline when traveling to London. Keep in mind that there are 20 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 March 2026, there are 9 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.

$294 Cheap Flights from Sacramento to London in 2026

Q: 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 $1,053 to $787. The lowest price recently found on this route was $785.

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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.

2:24 pm - 3:40 pm

SMF

LHR

17h 16m

2 stops

6:55 am - 5:34 pm

LHR

SMF

18h 39m

2 stops

$785Lufthansa

Mon, Aug 10 - Wed, Aug 26

2:24 pm - 3:40 pm

SMF

LHR

17h 16m

2 stops

6:55 am - 5:34 pm

LHR

SMF

18h 39m

2 stops

$786Lufthansa

Mon, Aug 10 - Wed, Aug 26

2:24 pm - 4:40 pm

SMF

LHR

18h 16m

2 stops

6:55 am - 10:55 pm

LHR

SMF

24h 00m

2 stops

$795Lufthansa

Wed, Aug 5 - Wed, Aug 19

2:12 pm - 4:40 pm

SMF

LHR

18h 28m

2 stops

6:30 am - 10:22 pm

LHR

SMF

23h 52m

2 stops

$804Lufthansa

Tue, Sep 8 - Wed, Sep 16

1:55 pm - 5:50 pm

SMF

LHR

19h 55m

2 stops

7:25 am - 5:48 pm

LHR

SMF

18h 23m

2 stops

$807Multiple Airlines

Tue, May 5 - Tue, May 12

7:00 am - 6:30 am

SMF

LHR

15h 30m

2 stops

8:30 am - 9:10 pm

LHR

SMF

20h 40m

1 stop

$818Air Canada

Sun, Sep 6 - Sat, Sep 26

6:00 pm - 11:50 am

SMF

LHR

33h 50m

2 stops

10:50 am - 11:56 pm

LHR

SMF

21h 06m

2 stops

$819Multiple Airlines

Sun, Aug 16 - Wed, Aug 26

2:42 pm - 4:00 pm

SMF

LGW

17h 18m

2 stops

10:25 am - 7:57 pm

LGW

SMF

17h 32m

2 stops

$895Delta

Tue, Apr 21 - Thu, May 14

2:42 pm - 4:00 pm

SMF

LGW

17h 18m

2 stops

10:25 am - 8:50 pm

LGW

SMF

18h 25m

2 stops

$945Delta

Tue, Apr 21 - Thu, May 14

8:17 am - 3:15 pm

SMF

LCY

22h 58m

2 stops

7:15 pm - 9:14 pm

LCY

SMF

33h 59m

2 stops

$953British Airways

Tue, Apr 21 - Tue, Apr 28

Delta flights from Sacramento to London

Our best Delta deals on Sacramento to London flight tickets

Delta

Sep 23

SMF1:00 pmSacramento Intl

18h 35m

1 stop

LHR3:35 pmLondon Heathrow

Oct 1

LHR6:30 amLondon Heathrow

18h 02m

2 stops

SMF4:32 pmSacramento Intl

$823

Delta

Sep 5

SMF5:10 pmSacramento Intl

35h 00m

1 stop

LHR12:10 pmLondon Heathrow

Sep 17

LHR9:55 amLondon Heathrow

14h 33m

1 stop

SMF4:28 pmSacramento Intl

$857

Delta

Sep 16

SMF11:55 amSacramento Intl

19h 05m

1 stop

LHR3:00 pmLondon Heathrow

Sep 30

LHR6:30 amLondon Heathrow

17h 58m

2 stops

SMF4:28 pmSacramento Intl

$874

United Airlines flights from Sacramento to London

Our best United Airlines deals on Sacramento to London flight tickets

United Airlines

Aug 5

SMF6:00 amSacramento Intl

24h 10m

1 stop

LHR2:10 pmLondon Heathrow

Aug 19

LHR3:05 pmLondon Heathrow

34h 18m

1 stop

SMF5:23 pmSacramento Intl

$829

United Airlines

Aug 10

SMF6:00 amSacramento Intl

24h 10m

1 stop

LHR2:10 pmLondon Heathrow

Aug 26

LHR3:05 pmLondon Heathrow

34h 18m

1 stop

SMF5:23 pmSacramento Intl

$830

United Airlines

Sep 5

SMF6:30 pmSacramento Intl

33h 50m

1 stop

LHR12:20 pmLondon Heathrow

Sep 11

LHR5:40 pmLondon Heathrow

35h 30m

1 stop

SMF9:10 pmSacramento Intl

$838

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Mon 8/10

2:24 pm-3:40 pm

2 stops17h 16m

London Heathrow

Wed 8/26

6:55 am-5:34 pm

2 stops18h 39m

$785

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Mon 8/10

2:24 pm-3:40 pm

2 stops17h 16m

London Heathrow

Wed 8/26

6:55 am-5:34 pm

2 stops18h 39m

$786

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Wed 8/5

2:24 pm-4:40 pm

2 stops18h 16m

London Heathrow

Wed 8/19

6:55 am-10:55 pm

2 stops24h 00m

$795

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Tue 9/8

2:12 pm-4:40 pm

2 stops18h 28m

London Heathrow

Wed 9/16

6:30 am-10:22 pm

2 stops23h 52m

$804

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Tue 5/5

1:55 pm-5:50 pm

2 stops19h 55m

London Heathrow

Tue 5/12

7:25 am-5:48 pm

2 stops18h 23m

$807

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Sun 9/6

7:00 am-6:30 am

2 stops15h 30m

London Heathrow

Sat 9/26

8:30 am-9:10 pm

1 stop20h 40m

$818

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Sun 8/16

6:00 pm-11:50 am

2 stops33h 50m

London Heathrow

Wed 8/26

10:50 am-11:56 pm

2 stops21h 06m

$819

Quickest round-trip

SacramentoLondon

SMF - LGW

SMFLGW

Sacramento Intl

Tue 4/21

2:42 pm-4:00 pm

2 stops17h 18m

London Gatwick

Thu 5/14

10:25 am-7:57 pm

2 stops17h 32m

$895

SacramentoLondon

SMF - LGW

SMFLGW

Sacramento Intl

Tue 4/21

2:42 pm-4:00 pm

2 stops17h 18m

London Gatwick

Thu 5/14

10:25 am-8:50 pm

2 stops18h 25m

$945

SacramentoLondon

SMF - LCY

SMFLCY

Sacramento Intl

Tue 4/21

8:17 am-3:15 pm

2 stops22h 58m

London City

Tue 4/28

7:15 pm-9:14 pm

2 stops33h 59m

$953

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?

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 August is another great option to travel to London, with average flight prices from Sacramento averaging around $752.

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 $938. 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 afternoon is the least expensive time of day to depart. momondo users have found prices as low as $855 when looking at flights departing in the afternoon. Flights to London are more costly at noon, with an average ticket price of $938. 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 $890 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 $796 on momondo.

Can stopping save me money on Sacramento to London flights?

You could potentially save up to 37% 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 25m
Direct flights	None

The fastest flight from Sacramento to London takes 12h 25m

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 25m.
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 March 2026, there are 9 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 36% of all bookings. The subsequent popular airlines are Virgin Atlantic at 16%, Delta at 14%, and JetBlue at 13%.

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 7.5 685 reviews	Search Virgin Atlantic flights
Air Canada	PriceFrom $615	Free Cancellation	Rating 7.1 10,853 reviews	Search Air Canada flights
Lufthansa	PriceFrom $624	Free Cancellation	Rating 6.8 7,871 reviews	Search Lufthansa flights
United Airlines	PriceFrom $624	Free Cancellation	Rating 7.4 9,500 reviews	Search United Airlines flights
Delta	PriceFrom $625	Free Cancellation	Rating 7.9 8,353 reviews	Search Delta flights
American Airlines	PriceFrom $678	Free Cancellation	Rating 7.1 11,520 reviews	Search American Airlines flights
British Airways	PriceFrom $679	Free Cancellation	Rating 6.7 7,825 reviews	Search British Airways flights
Scandinavian Airlines	PriceFrom $729	Free Cancellation	Rating 7.3 1,725 reviews	Search Scandinavian Airlines flights
JetBlue	PriceFrom $743	Free Cancellation	Rating 7.2 2,909 reviews	Search JetBlue flights

Gatwick

Hounslow

Milton Keynes

Luton

Dover

Crawley

Slough

Wembley

Hayes

Croydon

Dartford

Brentwood

Guildford

Harrow

Cobham

Folkestone

Romford

Stansted

Watford

Richmond

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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London Stansted Airport

Cheap flights from Sacramento to London from $307

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 7/29. 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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Delta flights from Sacramento to London

Our best Delta deals on Sacramento to London flight tickets

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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 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

Find info about flight duration, direct flights, and airports for your flight from Sacramento to London

Fastest flight time

Direct flights

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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