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

Iberia, JetBlue, and SWISS are the most popular carriers operating from Sacramento Intl to London

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 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.

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

Denver (DEN) was the most common stop: 36% 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 Seattle (SEA) offer the lowest average round-trip price of $823.

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 July 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.

$302 Cheap Flights from Sacramento to London in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Sacramento to London

Round-trip

One-way

Last minute

Cheap round-trip flights

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10:17 am - 6:35 pm

SMF

LHR

25h 18m

2 stops

7:30 pm - 3:21 pm

LHR

SMF

27h 51m

2 stops

$907Lufthansa

Sun, Oct 25 - Mon, Nov 2

9:55 am - 3:50 pm

SMF

LHR

22h 55m

2 stops

7:30 pm - 3:21 pm

LHR

SMF

27h 51m

2 stops

$907Lufthansa

Tue, Oct 27 - Mon, Nov 2

12:55 pm - 9:40 am

SMF

LHR

12h 45m

1 stop

11:35 am - 9:02 pm

LHR

SMF

17h 27m

2 stops

$907United Airlines

Wed, Dec 2 - Fri, Dec 4

1:40 pm - 11:15 am

SMF

LHR

13h 35m

1 stop

10:25 am - 8:47 pm

LHR

SMF

18h 22m

2 stops

$908United Airlines

Wed, Dec 2 - Fri, Dec 4

11:07 pm - 8:45 pm

SMF

LHR

13h 38m

1 stop

11:55 am - 9:57 pm

LHR

SMF

18h 02m

1 stop

$908JetBlue

Mon, Sep 7 - Tue, Sep 22

7:00 am - 7:50 am

SMF

LHR

16h 50m

1 stop

6:30 am - 5:55 pm

LHR

SMF

19h 25m

2 stops

$909Delta

Tue, Nov 10 - Tue, Dec 1

11:26 am - 1:05 pm

SMF

LHR

17h 39m

2 stops

6:30 am - 4:57 pm

LHR

SMF

18h 27m

2 stops

$909Delta

Wed, Oct 14 - Thu, Oct 22

8:18 pm - 7:25 am

SMF

LHR

27h 07m

1 stop

2:30 pm - 3:21 pm

LHR

SMF

31h 51m

1 stop

$911Multiple Airlines

Mon, Oct 19 - Fri, Oct 30

11:07 am - 9:00 am

SMF

LHR

13h 53m

1 stop

10:50 am - 11:59 pm

LHR

SMF

21h 09m

2 stops

$917British Airways

Wed, Oct 14 - Wed, Oct 21

11:38 am - 10:15 am

SMF

LHR

14h 37m

1 stop

11:30 am - 11:59 pm

LHR

SMF

20h 29m

2 stops

$917British Airways

Tue, Oct 13 - Wed, Oct 21

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British Airways flights from Sacramento to London

Our best British Airways deals on Sacramento to London flight tickets

British Airways

Oct 14

SMF11:38 amSacramento Intl

14h 37m

1 stop

LHR10:15 amLondon Heathrow

Oct 20

LHR6:15 amLondon Heathrow

25h 44m

2 stops

SMF11:59 pmSacramento Intl

$917

British Airways

Sep 9

SMF11:38 amSacramento Intl

14h 37m

1 stop

LHR10:15 amLondon Heathrow

Sep 29

LHR7:50 amLondon Heathrow

23h 44m

2 stops

SMF11:34 pmSacramento Intl

$939

British Airways

Sep 16

SMF7:00 amSacramento Intl

20h 30m

2 stops

LCY11:30 amLondon City

Sep 22

LCY9:35 amLondon City

21h 59m

2 stops

SMF11:34 pmSacramento Intl

$1,001

Air Canada flights from Sacramento to London

Our best Air Canada deals on Sacramento to London flight tickets

Air Canada

Oct 11

SMF6:00 pmSacramento Intl

28h 30m

2 stops

LHR6:30 amLondon Heathrow

Oct 21

LHR3:05 pmLondon Heathrow

34h 16m

1 stop

SMF5:21 pmSacramento Intl

$919

Air Canada

Nov 21

SMF4:05 pmSacramento Intl

33h 15m

2 stops

LHR9:20 amLondon Heathrow

Nov 24

LHR2:30 pmLondon Heathrow

32h 51m

1 stop

SMF3:21 pmSacramento Intl

$924

Air Canada

Oct 12

SMF6:00 pmSacramento Intl

28h 35m

2 stops

LHR6:35 amLondon Heathrow

Oct 21

LHR3:05 pmLondon Heathrow

34h 16m

1 stop

SMF5:21 pmSacramento Intl

$927

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Sun 10/25

10:17 am-6:35 pm

2 stops25h 18m

London Heathrow

Mon 11/2

7:30 pm-3:21 pm

2 stops27h 51m

$907

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Tue 10/27

9:55 am-3:50 pm

2 stops22h 55m

London Heathrow

Mon 11/2

7:30 pm-3:21 pm

2 stops27h 51m

$907

Quickest round-trip

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Wed 12/2

12:55 pm-9:40 am

1 stop12h 45m

London Heathrow

Fri 12/4

11:35 am-9:02 pm

2 stops17h 27m

$907

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Wed 12/2

1:40 pm-11:15 am

1 stop13h 35m

London Heathrow

Fri 12/4

10:25 am-8:47 pm

2 stops18h 22m

$908

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Mon 9/7

11:07 pm-8:45 pm

1 stop13h 38m

London Heathrow

Tue 9/22

11:55 am-9:57 pm

1 stop18h 02m

$908

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Tue 11/10

7:00 am-7:50 am

1 stop16h 50m

London Heathrow

Tue 12/1

6:30 am-5:55 pm

2 stops19h 25m

$909

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Wed 10/14

11:26 am-1:05 pm

2 stops17h 39m

London Heathrow

Thu 10/22

6:30 am-4:57 pm

2 stops18h 27m

$909

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Mon 10/19

8:18 pm-7:25 am

1 stop27h 07m

London Heathrow

Fri 10/30

2:30 pm-3:21 pm

1 stop31h 51m

$911

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Wed 10/14

11:07 am-9:00 am

1 stop13h 53m

London Heathrow

Wed 10/21

10:50 am-11:59 pm

2 stops21h 09m

$917

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Tue 10/13

11:38 am-10:15 am

1 stop14h 37m

London Heathrow

Wed 10/21

11:30 am-11:59 pm

2 stops20h 29m

$917

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 $752 to $1,150.
The lowest price recently found on this route was $907.

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 $660, 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 $825.

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 $901. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $1,036. 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 $902 when looking at flights departing in the morning. Flights to London are more costly at noon, with an average ticket price of $988. 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 $936 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 $735 on momondo.

Can stopping save me money on Sacramento to London flights?

You could potentially save up to 2% 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 08m
Direct flights	None

The fastest flight from Sacramento to London takes 12h 08m

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 08m.
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 July 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 39% of all bookings. The subsequent popular airlines are Virgin Atlantic at 20%, Delta at 16%, and British Airways at 9%.

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 $590	Free Cancellation	Rating 7.5 695 reviews	Search Virgin Atlantic flights
Lufthansa	PriceFrom $624	Free Cancellation	Rating 6.8 8,159 reviews	Search Lufthansa flights
United Airlines	PriceFrom $624	Free Cancellation	Rating 7.4 10,043 reviews	Search United Airlines flights
Delta	PriceFrom $624	Free Cancellation	Rating 7.8 8,482 reviews	Search Delta flights
British Airways	PriceFrom $625	Free Cancellation	Rating 6.7 8,130 reviews	Search British Airways flights
American Airlines	PriceFrom $675	Free Cancellation	Rating 7.1 11,841 reviews	Search American Airlines flights
Alaska Airlines	PriceFrom $917	Free Cancellation	Rating 7.9 12,719 reviews	Search Alaska Airlines flights

Hounslow

Gatwick

Milton Keynes

Luton

Hayes

Dover

Crawley

Wembley

Croydon

Stansted

Kingston upon Thames

Watford

Slough

Harrow

Brentwood

Cobham

Romford

Uxbridge

Guildford

Worthing

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 $302

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 10/12. 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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British Airways flights from Sacramento to London

Our best British Airways deals on Sacramento to London flight tickets

Air Canada flights from Sacramento to London

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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

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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Popular flights according to clicks in the last 7 days on momondo

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