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 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?

Aer Lingus, SWISS, and Delta are the most popular carriers operating from Sacramento Intl to London

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

Denver (DEN) was the most common stop: 29% 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 46% of people opting to fly with this airline when traveling to London. Keep in mind that there are 19 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 February 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.

$219 Cheap Flights from Sacramento to London in 2026

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Find the cheapest flights from Sacramento to London

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One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

1:00 pm - 1:20 pm

SMF

LHR

16h 20m

1 stop

9:00 am - 11:00 pm

LHR

SMF

22h 00m

2 stops

$604Lufthansa

Sun, Apr 19 - Thu, May 7

1:00 pm - 1:20 pm

SMF

LHR

16h 20m

1 stop

9:00 am - 11:00 pm

LHR

SMF

22h 00m

2 stops

$605Lufthansa

Sun, Apr 19 - Thu, May 7

1:00 pm - 1:20 pm

SMF

LHR

16h 20m

1 stop

7:25 am - 8:42 pm

LHR

SMF

21h 17m

2 stops

$613Lufthansa

Tue, Apr 21 - Tue, May 5

1:00 pm - 1:20 pm

SMF

LHR

16h 20m

1 stop

6:55 am - 8:42 pm

LHR

SMF

21h 47m

2 stops

$614Lufthansa

Tue, Apr 21 - Tue, May 5

5:15 am - 10:15 am

SMF

LHR

22h 00m

1 stop

11:10 am - 10:19 am

LHR

SMF

30h 09m

2 stops

$633United Airlines

Tue, Mar 17 - Tue, Mar 24

1:55 pm - 5:50 pm

SMF

LGW

19h 55m

2 stops

6:35 pm - 10:46 pm

LGW

SMF

36h 11m

2 stops

$733SWISS

Mon, Mar 30 - Mon, Apr 6

2:10 pm - 4:00 pm

SMF

LGW

17h 50m

2 stops

10:25 am - 4:29 pm

LGW

SMF

38h 04m

2 stops

$748Delta

Tue, Mar 31 - Mon, Apr 6

8:59 pm - 9:25 am

SMF

LGW

52h 26m

2 stops

10:25 am - 4:29 pm

LGW

SMF

38h 04m

2 stops

$750Delta

Sun, Mar 29 - Mon, Apr 6

10:42 am - 5:50 pm

SMF

LGW

24h 08m

2 stops

9:25 am - 10:47 pm

LGW

SMF

21h 22m

2 stops

$768SWISS

Tue, Mar 24 - Fri, May 1

6:00 am - 2:05 pm

SMF

LCY

25h 05m

2 stops

5:00 pm - 9:22 pm

LCY

SMF

35h 22m

2 stops

$786British Airways

Tue, Mar 17 - Tue, Mar 24

Delta flights from Sacramento to London

Our best Delta deals on Sacramento to London flight tickets

Delta

Apr 1

SMF9:10 amSacramento Intl

17h 05m

1 stop

LHR10:15 amLondon Heathrow

Apr 8

LHR8:40 amLondon Heathrow

19h 53m

2 stops

SMF8:33 pmSacramento Intl

$649

Delta

Apr 21

SMF10:00 amSacramento Intl

19h 15m

2 stops

LHR1:15 pmLondon Heathrow

May 14

LHR9:55 amLondon Heathrow

18h 48m

2 stops

SMF8:43 pmSacramento Intl

$654

Delta

Mar 21

SMF11:07 pmSacramento Intl

26h 38m

1 stop

LHR8:45 amLondon Heathrow

Apr 2

LHR6:30 amLondon Heathrow

17h 59m

2 stops

SMF4:29 pmSacramento Intl

$689

Air Canada flights from Sacramento to London

Our best Air Canada deals on Sacramento to London flight tickets

Air Canada

Mar 17

SMF12:30 pmSacramento Intl

38h 40m

2 stops

LHR10:10 amLondon Heathrow

Mar 24

LHR1:25 pmLondon Heathrow

40h 14m

2 stops

SMF10:39 pmSacramento Intl

$637

Air Canada

Apr 19

SMF1:00 pmSacramento Intl

37h 00m

2 stops

LHR10:00 amLondon Heathrow

May 7

LHR6:00 amLondon Heathrow

25h 00m

2 stops

SMF11:00 pmSacramento Intl

$639

Air Canada

Apr 22

SMF1:00 pmSacramento Intl

14h 50m

2 stops

LHR11:50 amLondon Heathrow

May 6

LHR2:10 pmLondon Heathrow

36h 36m

2 stops

SMF6:46 pmSacramento Intl

$650

Fly from

Fly to

Route

Depart

Return

Price

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Sun 4/19

1:00 pm-1:20 pm

1 stop16h 20m

London Heathrow

Thu 5/7

9:00 am-11:00 pm

2 stops22h 00m

$604

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Sun 4/19

1:00 pm-1:20 pm

1 stop16h 20m

London Heathrow

Thu 5/7

9:00 am-11:00 pm

2 stops22h 00m

$605

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Tue 4/21

1:00 pm-1:20 pm

1 stop16h 20m

London Heathrow

Tue 5/5

7:25 am-8:42 pm

2 stops21h 17m

$613

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Tue 4/21

1:00 pm-1:20 pm

1 stop16h 20m

London Heathrow

Tue 5/5

6:55 am-8:42 pm

2 stops21h 47m

$614

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Tue 3/17

5:15 am-10:15 am

1 stop22h 00m

London Heathrow

Tue 3/24

11:10 am-10:19 am

2 stops30h 09m

$633

SacramentoLondon

SMF - LGW

SMFLGW

Sacramento Intl

Mon 3/30

1:55 pm-5:50 pm

2 stops19h 55m

London Gatwick

Mon 4/6

6:35 pm-10:46 pm

2 stops36h 11m

$733

SacramentoLondon

SMF - LGW

SMFLGW

Sacramento Intl

Tue 3/31

2:10 pm-4:00 pm

2 stops17h 50m

London Gatwick

Mon 4/6

10:25 am-4:29 pm

2 stops38h 04m

$748

SacramentoLondon

SMF - LGW

SMFLGW

Sacramento Intl

Sun 3/29

8:59 pm-9:25 am

2 stops52h 26m

London Gatwick

Mon 4/6

10:25 am-4:29 pm

2 stops38h 04m

$750

SacramentoLondon

SMF - LGW

SMFLGW

Sacramento Intl

Tue 3/24

10:42 am-5:50 pm

2 stops24h 08m

London Gatwick

Fri 5/1

9:25 am-10:47 pm

2 stops21h 22m

$768

SacramentoLondon

SMF - LCY

SMFLCY

Sacramento Intl

Tue 3/17

6:00 am-2:05 pm

2 stops25h 05m

London City

Tue 3/24

5:00 pm-9:22 pm

2 stops35h 22m

$786

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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 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 August is another great option to travel to London, with average flight prices from Sacramento averaging around $753.

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 $808. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $949. 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 $848 when looking at flights departing in the morning. Flights to London are more costly at noon, with an average ticket price of $963. 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 $811 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	13h 57m
Direct flights	None

The fastest flight from Sacramento to London takes 13h 57m

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 13h 57m.
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 February 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 37% of all bookings. The subsequent popular airlines are Delta at 14%, American Airlines at 12%, 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
Virgin Atlantic	PriceFrom $599	Free Cancellation	Rating 7.5 679 reviews	Search Virgin Atlantic flights
Air Canada	PriceFrom $615	Free Cancellation	Rating 7.1 10,732 reviews	Search Air Canada flights
Lufthansa	PriceFrom $624	Free Cancellation	Rating 6.8 7,789 reviews	Search Lufthansa flights
United Airlines	PriceFrom $625	Free Cancellation	Rating 7.4 9,325 reviews	Search United Airlines flights
Delta	PriceFrom $630	Free Cancellation	Rating 7.9 8,215 reviews	Search Delta flights
American Airlines	PriceFrom $678	Free Cancellation	Rating 7.2 11,320 reviews	Search American Airlines flights
British Airways	PriceFrom $679	Free Cancellation	Rating 6.7 7,755 reviews	Search British Airways flights
JetBlue	PriceFrom $743	Free Cancellation	Rating 7.2 2,901 reviews	Search JetBlue flights

Gatwick

Hounslow

Milton Keynes

Luton

Dover

Slough

Crawley

Hayes

Wembley

Dartford

Brentwood

Croydon

Guildford

Harrow

Watford

Cobham

Folkestone

Romford

Stansted

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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Cheap flights from Sacramento to London from $306

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 3/4. 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

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How to get the cheapest flight ticket from Sacramento to 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?

Why should I use momondo to find a flight deal from Sacramento to London?

Can I find flights from Sacramento to London with flexible booking policies on momondo?

How can momondo help me find flights from Sacramento to London?

I’m not ready to book a flight from Sacramento to London right now. Can momondo alert me if prices change?

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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