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

Air Canada, 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 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 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 21 different airlines that fly to London on a routine basis, so you have a few additional options to choose from.

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.

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 April 2026, there are 8 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.

$329 Cheap Flights from Sacramento to London in 2026

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Find the cheapest flights from Sacramento to London

Round-trip

One-way

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Cheap round-trip flights

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11:55 am - 6:30 pm

SMF

LHR

22h 35m

2 stops

6:40 am - 10:16 pm

LHR

SMF

23h 36m

2 stops

$825Scandinavian Airlines

Mon, Sep 28 - Mon, Oct 12

2:15 pm - 9:35 pm

SMF

LHR

23h 20m

3 stops

6:40 am - 10:16 pm

LHR

SMF

23h 36m

2 stops

$835Scandinavian Airlines

Mon, Sep 28 - Mon, Oct 12

2:15 pm - 5:40 pm

SMF

LHR

19h 25m

2 stops

6:40 pm - 10:40 pm

LHR

SMF

36h 00m

2 stops

$838Scandinavian Airlines

Wed, Sep 16 - Wed, Sep 30

2:12 pm - 5:40 pm

SMF

LHR

19h 28m

2 stops

8:30 am - 9:12 pm

LHR

SMF

20h 42m

2 stops

$861Lufthansa

Fri, Aug 21 - Sun, Aug 23

10:50 am - 12:50 pm

SMF

LHR

18h 00m

2 stops

6:55 am - 5:34 pm

LHR

SMF

18h 39m

2 stops

$869Lufthansa

Mon, Aug 10 - Wed, Aug 26

11:00 am - 9:00 am

SMF

LHR

14h 00m

1 stop

11:30 am - 11:32 pm

LHR

SMF

20h 02m

2 stops

$870Iberia

Tue, Aug 18 - Tue, Aug 25

2:50 pm - 2:25 pm

SMF

LHR

15h 35m

1 stop

11:30 am - 11:32 pm

LHR

SMF

20h 02m

2 stops

$872Iberia

Mon, Aug 10 - Wed, Aug 26

7:35 am - 4:00 pm

SMF

LGW

24h 25m

2 stops

10:00 am - 9:52 pm

LGW

SMF

18h 52m

2 stops

$938Delta

Mon, Oct 12 - Mon, Oct 26

2:27 pm - 1:10 pm

SMF

LCY

38h 43m

2 stops

7:15 pm - 9:14 pm

LCY

SMF

33h 59m

2 stops

$1,024British Airways

Tue, May 12 - Tue, May 19

7:50 am - 9:25 am

SMF

LGW

17h 35m

2 stops

10:25 am - 9:50 pm

LGW

SMF

19h 25m

2 stops

$1,035Delta

Tue, Aug 4 - Mon, Aug 17

Scandinavian Airlines flights from Sacramento to London

Our best Scandinavian Airlines deals on Sacramento to London flight tickets

Scandinavian Airlines

Sep 28

SMF11:55 amSacramento Intl

22h 35m

2 stops

LHR6:30 pmLondon Heathrow

Oct 12

LHR6:40 amLondon Heathrow

23h 36m

2 stops

SMF10:16 pmSacramento Intl

$825

Scandinavian Airlines

Sep 28

SMF2:15 pmSacramento Intl

23h 20m

3 stops

LHR9:35 pmLondon Heathrow

Oct 12

LHR6:40 amLondon Heathrow

23h 36m

2 stops

SMF10:16 pmSacramento Intl

$835

Scandinavian Airlines

Sep 16

SMF2:15 pmSacramento Intl

19h 25m

2 stops

LHR5:40 pmLondon Heathrow

Sep 30

LHR6:40 pmLondon Heathrow

36h 00m

2 stops

SMF10:40 pmSacramento Intl

$838

Iberia flights from Sacramento to London

Our best Iberia deals on Sacramento to London flight tickets

Iberia

Aug 18

SMF11:00 amSacramento Intl

14h 00m

1 stop

LHR9:00 amLondon Heathrow

Aug 25

LHR11:30 amLondon Heathrow

20h 02m

2 stops

SMF11:32 pmSacramento Intl

$870

Iberia

Aug 10

SMF2:50 pmSacramento Intl

15h 35m

1 stop

LHR2:25 pmLondon Heathrow

Aug 26

LHR11:30 amLondon Heathrow

20h 02m

2 stops

SMF11:32 pmSacramento Intl

$872

Iberia

Apr 21

SMF11:38 amSacramento Intl

16h 32m

1 stop

LHR12:10 pmLondon Heathrow

May 14

LHR11:30 amLondon Heathrow

20h 29m

2 stops

SMF11:59 pmSacramento Intl

$1,044

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Mon 9/28

11:55 am-6:30 pm

2 stops22h 35m

London Heathrow

Mon 10/12

6:40 am-10:16 pm

2 stops23h 36m

$825

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Mon 9/28

2:15 pm-9:35 pm

3 stops23h 20m

London Heathrow

Mon 10/12

6:40 am-10:16 pm

2 stops23h 36m

$835

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Wed 9/16

2:15 pm-5:40 pm

2 stops19h 25m

London Heathrow

Wed 9/30

6:40 pm-10:40 pm

2 stops36h 00m

$838

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Fri 8/21

2:12 pm-5:40 pm

2 stops19h 28m

London Heathrow

Sun 8/23

8:30 am-9:12 pm

2 stops20h 42m

$861

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Mon 8/10

10:50 am-12:50 pm

2 stops18h 00m

London Heathrow

Wed 8/26

6:55 am-5:34 pm

2 stops18h 39m

$869

Quickest round-trip

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Tue 8/18

11:00 am-9:00 am

1 stop14h 00m

London Heathrow

Tue 8/25

11:30 am-11:32 pm

2 stops20h 02m

$870

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Mon 8/10

2:50 pm-2:25 pm

1 stop15h 35m

London Heathrow

Wed 8/26

11:30 am-11:32 pm

2 stops20h 02m

$872

SacramentoLondon

SMF - LGW

SMFLGW

Sacramento Intl

Mon 10/12

7:35 am-4:00 pm

2 stops24h 25m

London Gatwick

Mon 10/26

10:00 am-9:52 pm

2 stops18h 52m

$938

SacramentoLondon

SMF - LCY

SMFLCY

Sacramento Intl

Tue 5/12

2:27 pm-1:10 pm

2 stops38h 43m

London City

Tue 5/19

7:15 pm-9:14 pm

2 stops33h 59m

$1,024

SacramentoLondon

SMF - LGW

SMFLGW

Sacramento Intl

Tue 8/4

7:50 am-9:25 am

2 stops17h 35m

London Gatwick

Mon 8/17

10:25 am-9:50 pm

2 stops19h 25m

$1,035

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 October is another great option to travel to London, with average flight prices from Sacramento averaging around $751.

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 $815. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $940. 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 $860 when looking at flights departing in the afternoon. Flights to London are more costly at noon, with an average ticket price of $933. 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 $892 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 7% 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	14h 20m
Direct flights	None

The fastest flight from Sacramento to London takes 14h 20m

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 14h 20m.
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 April 2026, there are 8 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 17%, JetBlue at 13%, and Delta 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 7.5 687 reviews	Search Virgin Atlantic flights
Air Canada	PriceFrom $615	Free Cancellation	Rating 7.1 10,936 reviews	Search Air Canada flights
Lufthansa	PriceFrom $624	Free Cancellation	Rating 6.8 7,930 reviews	Search Lufthansa flights
United Airlines	PriceFrom $624	Free Cancellation	Rating 7.4 9,604 reviews	Search United Airlines flights
British Airways	PriceFrom $625	Free Cancellation	Rating 6.7 7,891 reviews	Search British Airways flights
Delta	PriceFrom $625	Free Cancellation	Rating 7.9 8,423 reviews	Search Delta flights
American Airlines	PriceFrom $678	Free Cancellation	Rating 7.1 11,612 reviews	Search American Airlines flights
JetBlue	PriceFrom $743	Free Cancellation	Rating 7.2 2,945 reviews	Search JetBlue flights

Gatwick

Hounslow

Milton Keynes

Luton

Dover

Hayes

Slough

Crawley

Wembley

Stansted

Croydon

Dartford

Brentwood

Cobham

Folkestone

Guildford

Romford

Harrow

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

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Cheap flights from Sacramento to London from $329

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 9/28. 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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Scandinavian Airlines flights from Sacramento to London

Our best Scandinavian Airlines deals on Sacramento to London flight tickets

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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

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.

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