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 connection time from Sacramento to London?

Seattle (SEA) has the shortest average layover time for this route: 1h 03m.

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

British Airways, KLM, 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?

New York (JFK) was the most common stop: 25% 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 Seattle (SEA) have the shortest average one-way travel time: 12h 11m.

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 42% 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 May 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.

$329 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 $1,071 to $849. The lowest price recently found on this route was $880.

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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.

11:07 pm - 6:30 am

SMF

LHR

23h 23m

2 stops

7:25 am - 11:56 pm

LHR

SMF

24h 31m

2 stops

$880Multiple Airlines

Sat, Sep 5 - Fri, Sep 11

1:00 pm - 6:30 pm

SMF

LHR

21h 30m

2 stops

7:05 am - 7:28 pm

LHR

SMF

20h 23m

3 stops

$886Scandinavian Airlines

Tue, Sep 15 - Tue, Sep 29

7:00 am - 5:50 pm

SMF

LHR

26h 50m

2 stops

12:10 pm - 10:22 pm

LHR

SMF

42h 12m

2 stops

$887SWISS

Tue, Aug 25 - Mon, Sep 7

6:30 am - 6:35 am

SMF

LHR

16h 05m

2 stops

8:25 pm - 9:12 pm

LHR

SMF

32h 47m

2 stops

$896Multiple Airlines

Mon, Aug 24 - Mon, Sep 14

7:00 am - 10:50 am

SMF

LHR

19h 50m

1 stop

12:55 pm - 8:31 pm

LHR

SMF

15h 36m

1 stop

$900British Airways

Wed, Aug 5 - Wed, Aug 19

11:22 am - 12:45 pm

SMF

LHR

17h 23m

1 stop

3:05 pm - 10:50 pm

LHR

SMF

15h 45m

1 stop

$901British Airways

Wed, Sep 16 - Wed, Sep 30

6:40 pm - 6:30 am

SMF

LHR

27h 50m

2 stops

2:05 pm - 5:21 pm

LHR

SMF

35h 16m

2 stops

$902Air Canada

Sat, Aug 22 - Wed, Sep 9

5:28 pm - 3:35 pm

SMF

LHR

14h 07m

1 stop

10:55 am - 10:16 pm

LHR

SMF

19h 21m

1 stop

$905Delta

Sun, Aug 23 - Wed, Sep 9

5:31 am - 8:40 am

SMF

LGW

19h 09m

2 stops

11:15 am - 12:34 am

LGW

SMF

21h 19m

2 stops

$921American Airlines

Thu, Oct 22 - Tue, Nov 3

5:31 am - 8:40 am

SMF

LGW

19h 09m

2 stops

11:15 am - 10:18 am

LGW

SMF

31h 03m

2 stops

$922American Airlines

Thu, Oct 22 - Tue, Nov 3

Scandinavian Airlines flights from Sacramento to London

Our best Scandinavian Airlines deals on Sacramento to London flight tickets

Scandinavian Airlines

Sep 15

SMF1:00 pmSacramento Intl

21h 30m

2 stops

LHR6:30 pmLondon Heathrow

Sep 29

LHR7:05 amLondon Heathrow

20h 23m

3 stops

SMF7:28 pmSacramento Intl

$886

Scandinavian Airlines

May 24

SMF12:46 pmSacramento Intl

19h 14m

2 stops

LHR4:00 pmLondon Heathrow

Jun 2

LHR6:40 amLondon Heathrow

23h 07m

2 stops

SMF9:47 pmSacramento Intl

$1,130

Scandinavian Airlines

May 24

SMF12:46 pmSacramento Intl

19h 14m

2 stops

LHR4:00 pmLondon Heathrow

Jun 2

LHR6:40 amLondon Heathrow

21h 17m

3 stops

SMF7:57 pmSacramento Intl

$1,182

SWISS flights from Sacramento to London

Our best SWISS deals on Sacramento to London flight tickets

SWISS

Aug 25

SMF7:00 amSacramento Intl

26h 50m

2 stops

LHR5:50 pmLondon Heathrow

Sep 7

LHR12:10 pmLondon Heathrow

42h 12m

2 stops

SMF10:22 pmSacramento Intl

$887

SWISS

Aug 25

SMF7:00 amSacramento Intl

17h 40m

2 stops

LCY8:40 amLondon City

Sep 8

LCY9:15 amLondon City

21h 07m

2 stops

SMF10:22 pmSacramento Intl

$907

SWISS

Aug 17

SMF9:20 amSacramento Intl

19h 15m

2 stops

LCY12:35 pmLondon City

Aug 26

LCY7:15 pmLondon City

31h 03m

2 stops

SMF6:18 pmSacramento Intl

$908

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Sat 9/5

11:07 pm-6:30 am

2 stops23h 23m

London Heathrow

Fri 9/11

7:25 am-11:56 pm

2 stops24h 31m

$880

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Tue 9/15

1:00 pm-6:30 pm

2 stops21h 30m

London Heathrow

Tue 9/29

7:05 am-7:28 pm

3 stops20h 23m

$886

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Tue 8/25

7:00 am-5:50 pm

2 stops26h 50m

London Heathrow

Mon 9/7

12:10 pm-10:22 pm

2 stops42h 12m

$887

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Mon 8/24

6:30 am-6:35 am

2 stops16h 05m

London Heathrow

Mon 9/14

8:25 pm-9:12 pm

2 stops32h 47m

$896

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Wed 8/5

7:00 am-10:50 am

1 stop19h 50m

London Heathrow

Wed 8/19

12:55 pm-8:31 pm

1 stop15h 36m

$900

Quickest round-trip

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Wed 9/16

11:22 am-12:45 pm

1 stop17h 23m

London Heathrow

Wed 9/30

3:05 pm-10:50 pm

1 stop15h 45m

$901

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Sat 8/22

6:40 pm-6:30 am

2 stops27h 50m

London Heathrow

Wed 9/9

2:05 pm-5:21 pm

2 stops35h 16m

$902

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Sun 8/23

5:28 pm-3:35 pm

1 stop14h 07m

London Heathrow

Wed 9/9

10:55 am-10:16 pm

1 stop19h 21m

$905

SacramentoLondon

SMF - LGW

SMFLGW

Sacramento Intl

Thu 10/22

5:31 am-8:40 am

2 stops19h 09m

London Gatwick

Tue 11/3

11:15 am-12:34 am

2 stops21h 19m

$921

SacramentoLondon

SMF - LGW

SMFLGW

Sacramento Intl

Thu 10/22

5:31 am-8:40 am

2 stops19h 09m

London Gatwick

Tue 11/3

11:15 am-10:18 am

2 stops31h 03m

$922

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 July. Flight prices, which tend to average around $201, are often lower during this time because this is during the off-season. The month of May is another great option to travel to London, with average flight prices from Sacramento averaging around $210.

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 $826. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $959. 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 $867 when looking at flights departing in the afternoon. Flights to London are more costly at noon, with an average ticket price of $924. 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 $894 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 $820 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	12h 30m
Direct flights	None

The fastest flight from Sacramento to London takes 12h 30m

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 30m.
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 May 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 37% of all bookings. The subsequent popular airlines are Virgin Atlantic at 16%, Delta at 15%, and JetBlue at 12%.

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
JetBlue	PriceFrom $530	Free Cancellation	Rating 7.2 2,975 reviews	Search JetBlue flights
Virgin Atlantic	PriceFrom $599	Free Cancellation	Rating 7.4 688 reviews	Search Virgin Atlantic flights
Lufthansa	PriceFrom $624	Free Cancellation	Rating 6.8 7,986 reviews	Search Lufthansa flights
United Airlines	PriceFrom $624	Free Cancellation	Rating 7.4 9,698 reviews	Search United Airlines flights
British Airways	PriceFrom $625	Free Cancellation	Rating 6.7 7,969 reviews	Search British Airways flights
Delta	PriceFrom $625	Free Cancellation	Rating 7.9 8,451 reviews	Search Delta flights
American Airlines	PriceFrom $678	Free Cancellation	Rating 7.1 11,668 reviews	Search American Airlines flights

Hounslow

Gatwick

Milton Keynes

Dover

Luton

Hayes

Crawley

Wembley

Slough

Stansted

Watford

Croydon

Brentwood

Dartford

Cobham

Folkestone

Romford

Harrow

Uxbridge

Guildford

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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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 8/31. 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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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

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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