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 travel time from Sacramento to London?

Flights connecting via Phoenix (PHX) have the shortest average one-way travel time: 12h 33m.

Which layover airport has the shortest connection time from Sacramento to London?

Phoenix (PHX) has the shortest average layover time for this route: 1h 16m.

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

Denver (DEN) was the most common stop: 26% of momondo users choosing 1-stop flights on this route connected there.

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

United Airlines, Air Canada, and Lufthansa are the most popular carriers operating from Sacramento Intl to London

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 43% of people opting to fly with this airline when traveling to London. Keep in mind that there are 17 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 November 2025, there are 9 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 2025/26

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3:02 pm - 5:40 pmSMF-LHR

18h 38m2 stops

10:20 am - 10:20 pmLHR-SMF

20h 00m2 stops

$575Scandinavian Airlines

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Tue, Jan 13 - Wed, Jan 21

6:15 am - 7:05 amSMF-LHR

16h 50m1 stop

9:00 am - 10:10 pmLHR-SMF

21h 10m2 stops

$589Delta

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Tue, Dec 2 - Wed, Dec 10

1:30 pm - 10:00 amSMF-LHR

12h 30m1 stop

8:55 am - 7:38 pmLHR-SMF

18h 43m2 stops

$590Delta

Find Deal

Mon, Nov 17 - Tue, Nov 25

8:33 pm - 12:00 pmSMF-LHR

31h 27m1 stop

6:35 am - 7:40 pmLHR-SMF

21h 05m2 stops

$616United Airlines

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Sat, Nov 29 - Wed, Dec 10

5:00 am - 7:10 amSMF-LHR

18h 10m2 stops

9:00 am - 9:41 amLHR-SMF

32h 41m2 stops

$617United Airlines

Find Deal

Fri, Dec 5 - Fri, Dec 12

4:05 pm - 10:10 amSMF-LHR

34h 05m2 stops

6:00 pm - 7:41 pmLHR-SMF

33h 41m2 stops

$626Air Canada

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Mon, Nov 17 - Thu, Nov 27

10:40 am - 11:50 amSMF-LHR

17h 10m2 stops

6:00 pm - 9:23 amLHR-SMF

47h 23m2 stops

$631Air Canada

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Sun, Nov 16 - Wed, Nov 26

9:48 am - 8:45 amSMF-LHR

14h 57m2 stops

8:55 am - 10:33 pmLHR-SMF

21h 38m1 stop

$634Virgin Atlantic

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Mon, Feb 2 - Sat, Feb 14

11:27 am - 11:40 amSMF-LHR

16h 13m1 stop

7:40 pm - 10:35 pmLHR-SMF

33h 55m2 stops

$657British Airways

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Tue, Mar 3 - Mon, Mar 9

2:34 pm - 2:05 pmSMF-LCY

39h 31m2 stops

7:50 am - 8:38 pmLCY-SMF

20h 48m2 stops

$956British Airways

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Mon, Dec 1 - Wed, Dec 10

Air Canada flights from Sacramento to London

Our best Air Canada deals on Sacramento to London flight tickets

Air Canada

Nov 17

SMF4:05 pmSacramento Intl

34h 05m

2 stops

LHR10:10 amLondon Heathrow

Nov 27

LHR6:00 pmLondon Heathrow

33h 41m

2 stops

SMF7:41 pmSacramento Intl

$626

Find similar

Air Canada

Nov 16

SMF10:40 amSacramento Intl

17h 10m

2 stops

LHR11:50 amLondon Heathrow

Nov 26

LHR6:00 pmLondon Heathrow

47h 23m

2 stops

SMF9:23 amSacramento Intl

$631

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Air Canada

Nov 17

SMF4:05 pmSacramento Intl

34h 05m

2 stops

LHR10:10 amLondon Heathrow

Nov 26

LHR2:30 pmLondon Heathrow

32h 47m

1 stop

SMF3:17 pmSacramento Intl

$632

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Delta flights from Sacramento to London

Our best Delta deals on Sacramento to London flight tickets

Delta

Nov 9

SMF6:15 amSacramento Intl

16h 50m

1 stop

LHR7:05 amLondon Heathrow

Nov 25

LHR6:20 amLondon Heathrow

18h 01m

2 stops

SMF4:21 pmSacramento Intl

$588

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Delta

Dec 2

SMF6:15 amSacramento Intl

16h 50m

1 stop

LHR7:05 amLondon Heathrow

Dec 10

LHR9:00 amLondon Heathrow

21h 10m

2 stops

SMF10:10 pmSacramento Intl

$589

Find similar

Delta

Nov 17

SMF1:30 pmSacramento Intl

12h 30m

1 stop

LHR10:00 amLondon Heathrow

Nov 25

LHR8:55 amLondon Heathrow

18h 43m

2 stops

SMF7:38 pmSacramento Intl

$590

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Fly from

Fly to

Route

Depart

Return

Price

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Tue 1/13

3:02 pm-5:40 pm

2 stops18h 38m

London Heathrow

Wed 1/21

10:20 am-10:20 pm

2 stops20h 00m

$575

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Tue 12/2

6:15 am-7:05 am

1 stop16h 50m

London Heathrow

Wed 12/10

9:00 am-10:10 pm

2 stops21h 10m

$589

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Mon 11/17

1:30 pm-10:00 am

1 stop12h 30m

London Heathrow

Tue 11/25

8:55 am-7:38 pm

2 stops18h 43m

$590

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Sat 11/29

8:33 pm-12:00 pm

1 stop31h 27m

London Heathrow

Wed 12/10

6:35 am-7:40 pm

2 stops21h 05m

$616

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Fri 12/5

5:00 am-7:10 am

2 stops18h 10m

London Heathrow

Fri 12/12

9:00 am-9:41 am

2 stops32h 41m

$617

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Mon 11/17

4:05 pm-10:10 am

2 stops34h 05m

London Heathrow

Thu 11/27

6:00 pm-7:41 pm

2 stops33h 41m

$626

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Sun 11/16

10:40 am-11:50 am

2 stops17h 10m

London Heathrow

Wed 11/26

6:00 pm-9:23 am

2 stops47h 23m

$631

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Mon 2/2

9:48 am-8:45 am

2 stops14h 57m

London Heathrow

Sat 2/14

8:55 am-10:33 pm

1 stop21h 38m

$634

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Tue 3/3

11:27 am-11:40 am

1 stop16h 13m

London Heathrow

Mon 3/9

7:40 pm-10:35 pm

2 stops33h 55m

$657

SacramentoLondon

SMF - LCY

SMFLCY

Sacramento Intl

Mon 12/1

2:34 pm-2:05 pm

2 stops39h 31m

London City

Wed 12/10

7:50 am-8:38 pm

2 stops20h 48m

$956

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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 October. Flight prices, which tend to average around $792, are often lower during this time because this is during the off-season. The month of September is another great option to travel to London, with average flight prices from Sacramento averaging around $814.

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 $816. 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 evening is the least expensive time of day to depart. momondo users have found prices as low as $856 when looking at flights departing in the evening. Flights to London are more costly at noon, with an average ticket price of $974. 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 $977 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 $824 on momondo.

Can stopping save me money on Sacramento to London flights?

You could potentially save up to 8% 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

Direct flights	None

There are no direct flights from Sacramento to London. There are no popular flight routes from Sacramento to London.

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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 November 2025, there are 9 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 14%, Delta at 14%, and American Airlines at 11%.

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
Air Canada	PriceFrom $615	Free Cancellation	Rating 7.1 10,416 reviews	Search Air Canada flights
Virgin Atlantic	PriceFrom $630	Free Cancellation	Rating 7.5 672 reviews	Search Virgin Atlantic flights
Delta	PriceFrom $679	Free Cancellation	Rating 7.9 8,001 reviews	Search Delta flights
Scandinavian Airlines	PriceFrom $683	Free Cancellation	Rating 7.4 1,564 reviews	Search Scandinavian Airlines flights
United Airlines	PriceFrom $689	Free Cancellation	Rating 7.4 9,007 reviews	Search United Airlines flights
British Airways	PriceFrom $697	Free Cancellation	Rating 6.7 7,500 reviews	Search British Airways flights
American Airlines	PriceFrom $702	Free Cancellation	Rating 7.2 11,040 reviews	Search American Airlines flights
JetBlue	PriceFrom $743	Free Cancellation	Rating 7.2 2,907 reviews	Search JetBlue flights
Iberia	PriceFrom $825	Free Cancellation	Rating 7.0 3,007 reviews	Search Iberia flights

Gatwick

Hounslow

Milton Keynes

Dover

Luton

Slough

Guildford

Hayes

Dartford

Crawley

Brentwood

Chelmsford

Wembley

Folkestone

Romford

Ilford

Cobham

Stansted

Harrow

Watford

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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Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

London City Airport

London Gatwick Airport

London Heathrow Airport

London Luton Airport

London Southend Airport

London Stansted Airport

Popular cities in the United Kingdom

Flights to Manchesterfrom $359

Flights to Edinburghfrom $406

Flights to Glasgowfrom $401

Flights to Birminghamfrom $404

Flights to Newcastle upon Tynefrom $464

Flights to Belfastfrom $509

Flights to Bristolfrom $431

Flights to Invernessfrom $418

Flights to Liverpoolfrom $460

Flights to Aberdeenfrom $501

Flights to Leedsfrom $504

Flights to Cardifffrom $451

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 12/4. 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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Find the cheapest flights from Sacramento to London

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Air Canada flights from Sacramento to London

Our best Air Canada deals on Sacramento to London flight tickets

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Our best Delta deals on Sacramento to London flight tickets

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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

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?

You could potentially save up to 8% on your flight if you consider stops on a Sacramento to London flight.

How have Sacramento to London flight prices changed over time?

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

United Airlines, Air Canada, and Lufthansa are the most popular carriers operating from Sacramento Intl to London

What airlines fly to London?

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

Denver (DEN) was the most common stop: 26% 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 Boston (BOS) offer the lowest average round-trip price of $390.

Which layover airport has the shortest travel time from Sacramento to London?

Flights connecting via Phoenix (PHX) have the shortest average one-way travel time: 12h 33m.

Which layover airport has the shortest connection time from Sacramento to London?

Phoenix (PHX) has the shortest average layover time for this route: 1h 16m.

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

Direct flights

How far is Sacramento Intl to London by plane?

When did momondo last update prices for flights from Sacramento Intl Airport to London?

How many operators does momondo search for flights from Sacramento Intl Airport to London?

How old do you have to be to fly from Sacramento Intl Airport to London?

What documentation or ID do you need to fly to London?

What is the most popular airline 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?

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