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

Air Canada, United Airlines, and Delta 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 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.

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.

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

Denver (DEN) was the most common stop: 21% of momondo users choosing 1-stop flights on this route connected there.

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.

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 June 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.

$317 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 $1,406 to $1,285. The lowest price recently found on this route was $963.

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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.

1:48 pm - 1:05 pm

SMF

LHR

15h 17m

1 stop

11:15 am - 9:09 pm

LHR

SMF

17h 54m

1 stop

$963KLM

Tue, Sep 1 - Tue, Sep 29

7:00 am - 12:35 pm

SMF

LCY

21h 35m

2 stops

9:15 am - 10:48 pm

LCY

SMF

21h 33m

2 stops

$963SWISS

Mon, Aug 3 - Thu, Sep 3

4:15 pm - 12:25 pm

SMF

LHR

12h 10m

1 stop

11:25 am - 5:35 pm

LHR

SMF

14h 10m

1 stop

$964United Airlines

Tue, Sep 1 - Thu, Sep 10

7:03 pm - 10:40 pm

SMF

LHR

19h 37m

2 stops

6:30 am - 10:48 pm

LHR

SMF

24h 18m

2 stops

$965Lufthansa

Tue, Jul 28 - Wed, Aug 12

9:20 am - 12:35 pm

SMF

LCY

19h 15m

2 stops

9:15 am - 10:46 pm

LCY

SMF

21h 31m

2 stops

$965SWISS

Sun, Aug 23 - Wed, Sep 9

1:00 pm - 5:55 pm

SMF

LCY

20h 55m

2 stops

9:15 am - 9:00 pm

LCY

SMF

19h 45m

2 stops

$966Lufthansa

Mon, Aug 3 - Thu, Sep 3

6:00 pm - 11:50 am

SMF

LHR

57h 50m

2 stops

9:30 am - 6:18 pm

LHR

SMF

40h 48m

2 stops

$967Air Canada

Mon, Aug 3 - Wed, Aug 12

6:00 pm - 11:50 am

SMF

LHR

33h 50m

2 stops

2:05 pm - 1:17 pm

LHR

SMF

31h 12m

2 stops

$968Air Canada

Sun, Aug 30 - Tue, Sep 8

9:45 am - 3:45 pm

SMF

LGW

22h 00m

2 stops

4:45 pm - 4:30 pm

LGW

SMF

31h 45m

2 stops

$999Multiple Airlines

Fri, Nov 6 - Sun, Nov 8

4:05 pm - 5:40 pm

SMF

LCY

41h 35m

2 stops

6:15 pm - 3:22 pm

LCY

SMF

29h 07m

2 stops

$1,010Multiple Airlines

Mon, Nov 2 - Thu, Nov 5

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JetBlue flights from Sacramento to London

Our best JetBlue deals on Sacramento to London flight tickets

JetBlue

Aug 6

SMF11:10 pmSacramento Intl

13h 35m

1 stop

LHR8:45 pmLondon Heathrow

Sep 17

LHR11:55 amLondon Heathrow

17h 59m

1 stop

SMF9:54 pmSacramento Intl

$988

JetBlue

Jun 14

SMF11:16 pmSacramento Intl

26h 14m

1 stop

LHR9:30 amLondon Heathrow

Aug 23

LHR8:15 amLondon Heathrow

21h 40m

1 stop

SMF9:55 pmSacramento Intl

$1,308

JetBlue

Jun 22

SMF11:16 pmSacramento Intl

13h 29m

1 stop

LHR8:45 pmLondon Heathrow

Jul 10

LHR8:15 amLondon Heathrow

21h 44m

1 stop

SMF9:59 pmSacramento Intl

$1,383

United Airlines flights from Sacramento to London

Our best United Airlines deals on Sacramento to London flight tickets

United Airlines

Sep 1

SMF4:15 pmSacramento Intl

12h 10m

1 stop

LHR12:25 pmLondon Heathrow

Sep 10

LHR11:25 amLondon Heathrow

14h 10m

1 stop

SMF5:35 pmSacramento Intl

$964

United Airlines

Aug 27

SMF5:15 amSacramento Intl

22h 20m

1 stop

LHR11:35 amLondon Heathrow

Sep 8

LHR6:50 amLondon Heathrow

21h 55m

2 stops

SMF8:45 pmSacramento Intl

$983

United Airlines

Aug 14

SMF10:50 amSacramento Intl

17h 35m

1 stop

LHR12:25 pmLondon Heathrow

Aug 25

LHR8:45 amLondon Heathrow

19h 02m

2 stops

SMF7:47 pmSacramento Intl

$986

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Tue 9/1

1:48 pm-1:05 pm

1 stop15h 17m

London Heathrow

Tue 9/29

11:15 am-9:09 pm

1 stop17h 54m

$963

SacramentoLondon

SMF - LCY

SMFLCY

Sacramento Intl

Mon 8/3

7:00 am-12:35 pm

2 stops21h 35m

London City

Thu 9/3

9:15 am-10:48 pm

2 stops21h 33m

$963

Quickest round-trip

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Tue 9/1

4:15 pm-12:25 pm

1 stop12h 10m

London Heathrow

Thu 9/10

11:25 am-5:35 pm

1 stop14h 10m

$964

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Tue 7/28

7:03 pm-10:40 pm

2 stops19h 37m

London Heathrow

Wed 8/12

6:30 am-10:48 pm

2 stops24h 18m

$965

SacramentoLondon

SMF - LCY

SMFLCY

Sacramento Intl

Sun 8/23

9:20 am-12:35 pm

2 stops19h 15m

London City

Wed 9/9

9:15 am-10:46 pm

2 stops21h 31m

$965

SacramentoLondon

SMF - LCY

SMFLCY

Sacramento Intl

Mon 8/3

1:00 pm-5:55 pm

2 stops20h 55m

London City

Thu 9/3

9:15 am-9:00 pm

2 stops19h 45m

$966

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Mon 8/3

6:00 pm-11:50 am

2 stops57h 50m

London Heathrow

Wed 8/12

9:30 am-6:18 pm

2 stops40h 48m

$967

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Sun 8/30

6:00 pm-11:50 am

2 stops33h 50m

London Heathrow

Tue 9/8

2:05 pm-1:17 pm

2 stops31h 12m

$968

SacramentoLondon

SMF - LGW

SMFLGW

Sacramento Intl

Fri 11/6

9:45 am-3:45 pm

2 stops22h 00m

London Gatwick

Sun 11/8

4:45 pm-4:30 pm

2 stops31h 45m

$999

SacramentoLondon

SMF - LCY

SMFLCY

Sacramento Intl

Mon 11/2

4:05 pm-5:40 pm

2 stops41h 35m

London City

Thu 11/5

6:15 pm-3:22 pm

2 stops29h 07m

$1,010

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 $861. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $997. 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 $889 when looking at flights departing in the morning. Flights to London are more costly at noon, with an average ticket price of $927. 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 $900 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 $784 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 18m
Direct flights	None

The fastest flight from Sacramento to London takes 12h 18m

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

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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 18m.
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 June 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 38% of all bookings. The subsequent popular airlines are Virgin Atlantic at 17%, Delta at 15%, and JetBlue 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 $599	Free Cancellation	Rating 7.5 689 reviews	Search Virgin Atlantic flights
United Airlines	PriceFrom $622	Free Cancellation	Rating 7.4 9,801 reviews	Search United Airlines flights
Lufthansa	PriceFrom $624	Free Cancellation	Rating 6.8 8,052 reviews	Search Lufthansa flights
British Airways	PriceFrom $625	Free Cancellation	Rating 6.7 8,034 reviews	Search British Airways flights
Delta	PriceFrom $625	Free Cancellation	Rating 7.9 8,393 reviews	Search Delta flights
American Airlines	PriceFrom $675	Free Cancellation	Rating 7.1 11,640 reviews	Search American Airlines flights

Hounslow

Gatwick

Milton Keynes

Luton

Dover

Hayes

Crawley

Croydon

Wembley

Stansted

Harrow

Slough

Brentwood

Watford

Cobham

Guildford

Folkestone

Uxbridge

Romford

Chelmsford

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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Fly into one of these airports located in London

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London Heathrow Airport

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London Stansted Airport

Cheap flights from Sacramento to London from $317

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 7/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Sacramento to London

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JetBlue flights from Sacramento to London

Our best JetBlue deals on Sacramento to London flight tickets

United Airlines flights from Sacramento to London

Our best United 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.

Popular cities in the United Kingdom

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

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