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

Seattle (SEA) was the most common stop: 20% 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 $388.

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

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 6 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.

$251 Cheap Flights from Sacramento to London in 2026

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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.

1:30 pm - 10:00 am

SMF

LHR

12h 30m

1 stop

6:30 am - 6:19 pm

LHR

SMF

19h 49m

2 stops

$933Delta

Mon, Sep 7 - Fri, Sep 18

10:50 am - 11:55 am

SMF

LHR

17h 05m

2 stops

8:45 am - 7:47 pm

LHR

SMF

19h 02m

2 stops

$934United Airlines

Tue, Aug 18 - Tue, Sep 15

6:05 pm - 11:50 am

SMF

LHR

33h 45m

2 stops

3:05 pm - 7:47 pm

LHR

SMF

36h 42m

2 stops

$935Air Canada

Sun, Aug 16 - Tue, Sep 22

2:25 pm - 4:40 pm

SMF

LHR

18h 15m

2 stops

7:30 pm - 7:37 pm

LHR

SMF

32h 07m

2 stops

$936Lufthansa

Mon, Sep 28 - Mon, Oct 12

6:00 am - 7:10 am

SMF

LHR

17h 10m

2 stops

6:30 am - 4:49 pm

LHR

SMF

18h 19m

2 stops

$938Delta

Wed, Sep 9 - Tue, Sep 22

5:00 am - 12:35 pm

SMF

LHR

23h 35m

1 stop

3:00 pm - 5:23 pm

LHR

SMF

34h 23m

1 stop

$940United Airlines

Sun, Aug 16 - Thu, Aug 27

4:05 pm - 7:10 am

SMF

LHR

55h 05m

2 stops

2:30 pm - 3:21 pm

LHR

SMF

32h 51m

1 stop

$941Air Canada

Fri, Nov 6 - Sat, Nov 14

11:00 am - 1:20 pm

SMF

LCY

18h 20m

2 stops

9:50 am - 11:10 pm

LCY

SMF

21h 20m

2 stops

$976British Airways

Mon, Aug 10 - Thu, Aug 20

11:53 am - 5:40 pm

SMF

LCY

21h 47m

2 stops

9:50 am - 9:10 pm

LCY

SMF

19h 20m

2 stops

$980Lufthansa

Tue, Nov 17 - Fri, Nov 27

8:15 am - 2:05 pm

SMF

LCY

21h 50m

2 stops

7:50 am - 9:27 pm

LCY

SMF

21h 37m

2 stops

$986British Airways

Tue, Nov 3 - Wed, Nov 18

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Delta flights from Sacramento to London

Our best Delta deals on Sacramento to London flight tickets

Delta

Sep 7

SMF1:30 pmSacramento Intl

12h 30m

1 stop

LHR10:00 amLondon Heathrow

Sep 18

LHR6:30 amLondon Heathrow

19h 49m

2 stops

SMF6:19 pmSacramento Intl

$933

Delta

Sep 9

SMF6:00 amSacramento Intl

17h 10m

2 stops

LHR7:10 amLondon Heathrow

Sep 22

LHR6:30 amLondon Heathrow

18h 19m

2 stops

SMF4:49 pmSacramento Intl

$938

Delta

Aug 10

SMF7:50 amSacramento Intl

17h 50m

2 stops

LGW9:40 amLondon Gatwick

Aug 20

LGW10:25 amLondon Gatwick

20h 15m

2 stops

SMF10:40 pmSacramento Intl

$944

Lufthansa flights from Sacramento to London

Our best Lufthansa deals on Sacramento to London flight tickets

Lufthansa

Sep 28

SMF2:25 pmSacramento Intl

18h 15m

2 stops

LHR4:40 pmLondon Heathrow

Oct 12

LHR7:30 pmLondon Heathrow

32h 07m

2 stops

SMF7:37 pmSacramento Intl

$936

Lufthansa

Aug 19

SMF11:53 amSacramento Intl

24h 52m

2 stops

LHR8:45 pmLondon Heathrow

Aug 26

LHR6:55 amLondon Heathrow

18h 40m

2 stops

SMF5:35 pmSacramento Intl

$947

Lufthansa

Aug 16

SMF6:57 pmSacramento Intl

16h 43m

2 stops

LHR7:40 pmLondon Heathrow

Aug 31

LHR8:25 pmLondon Heathrow

29h 09m

2 stops

SMF5:34 pmSacramento Intl

$952

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Mon 9/7

1:30 pm-10:00 am

1 stop12h 30m

London Heathrow

Fri 9/18

6:30 am-6:19 pm

2 stops19h 49m

$933

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Tue 8/18

10:50 am-11:55 am

2 stops17h 05m

London Heathrow

Tue 9/15

8:45 am-7:47 pm

2 stops19h 02m

$934

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Sun 8/16

6:05 pm-11:50 am

2 stops33h 45m

London Heathrow

Tue 9/22

3:05 pm-7:47 pm

2 stops36h 42m

$935

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Mon 9/28

2:25 pm-4:40 pm

2 stops18h 15m

London Heathrow

Mon 10/12

7:30 pm-7:37 pm

2 stops32h 07m

$936

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Wed 9/9

6:00 am-7:10 am

2 stops17h 10m

London Heathrow

Tue 9/22

6:30 am-4:49 pm

2 stops18h 19m

$938

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Sun 8/16

5:00 am-12:35 pm

1 stop23h 35m

London Heathrow

Thu 8/27

3:00 pm-5:23 pm

1 stop34h 23m

$940

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Fri 11/6

4:05 pm-7:10 am

2 stops55h 05m

London Heathrow

Sat 11/14

2:30 pm-3:21 pm

1 stop32h 51m

$941

SacramentoLondon

SMF - LCY

SMFLCY

Sacramento Intl

Mon 8/10

11:00 am-1:20 pm

2 stops18h 20m

London City

Thu 8/20

9:50 am-11:10 pm

2 stops21h 20m

$976

SacramentoLondon

SMF - LCY

SMFLCY

Sacramento Intl

Tue 11/17

11:53 am-5:40 pm

2 stops21h 47m

London City

Fri 11/27

9:50 am-9:10 pm

2 stops19h 20m

$980

SacramentoLondon

SMF - LCY

SMFLCY

Sacramento Intl

Tue 11/3

8:15 am-2:05 pm

2 stops21h 50m

London City

Wed 11/18

7:50 am-9:27 pm

2 stops21h 37m

$986

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 $879. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $1,028. 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 $898 when looking at flights departing in the morning. Flights to London are more costly at noon, with an average ticket price of $969. 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 $919 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 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	13h 34m
Direct flights	None

The fastest flight from Sacramento to London takes 13h 34m

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 13h 34m.
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 6 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 19%, 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 7.5 693 reviews	Search Virgin Atlantic flights
United Airlines	PriceFrom $622	Free Cancellation	Rating 7.4 9,980 reviews	Search United Airlines flights
Lufthansa	PriceFrom $624	Free Cancellation	Rating 6.8 8,128 reviews	Search Lufthansa flights
Delta	PriceFrom $624	Free Cancellation	Rating 7.8 8,459 reviews	Search Delta flights
British Airways	PriceFrom $625	Free Cancellation	Rating 6.7 8,107 reviews	Search British Airways flights
American Airlines	PriceFrom $675	Free Cancellation	Rating 7.1 11,806 reviews	Search American Airlines flights

Hounslow

Gatwick

Milton Keynes

Luton

Hayes

Dover

Crawley

Wembley

Croydon

Stansted

Harrow

Slough

Watford

Brentwood

Ilford

Cobham

Folkestone

Guildford

Romford

Uxbridge

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.

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Cheap flights from Sacramento to London from $251

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 10/6. 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

Lufthansa flights from Sacramento to London

Our best Lufthansa 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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