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

Los Angeles (LAX) was the most common stop: 30% of momondo users choosing 1-stop flights on this route connected there.

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

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

What airlines fly to London Heathrow Airport?

United Airlines, British Airways and Iberia are the top three most popular airlines that fly to London Heathrow Airport 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 Heathrow Airport. Keep in mind that there are 18 different airlines that fly to London Heathrow Airport 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 Heathrow Airport?

Salt Lake City (SLC) has the shortest average layover time for this route: 1h 11m.

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

Flights connecting via Denver (DEN) have the shortest average one-way travel time: 12h 39m.

Which layover airport offers the lowest fares from Sacramento to London Heathrow Airport?

Flights via Phoenix (PHX) offer the lowest average round-trip price of $789.

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

Prices for flights from Sacramento Intl Airport to London Heathrow Airport are refreshed on a daily basis.

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

As of July 2025, there are 10 operators available to choose from for flights from Sacramento Intl Airport to London Heathrow Airport.

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

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 Heathrow Airport.

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

The necessary travel and health documents for your London Heathrow Airport 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.

$310 Cheap Flights from Sacramento to London Heathrow Airport in 2025

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Find the cheapest flights from Sacramento to London

Round-trip

One-way

Last minute

Cheap round-trip flights

1:00 pm - 12:20 pmSMF-LHR

15h 20m1 stop

2:10 pm - 9:49 pmLHR-SMF

15h 39m1 stop

$572United Airlines

Find Deal

Sun, Sep 7 - Tue, Sep 23

4:05 pm - 11:50 amSMF-LHR

59h 45m2 stops

2:10 pm - 9:49 pmLHR-SMF

15h 39m1 stop

$587Air Canada

Find Deal

Sun, Sep 7 - Tue, Sep 23

9:00 am - 9:35 amSMF-LHR

16h 35m2 stops

10:15 am - 9:49 pmLHR-SMF

19h 34m2 stops

$592

Find Deal

Tue, Sep 23 - Tue, Sep 30

6:10 am - 6:30 amSMF-LHR

16h 20m2 stops

8:40 am - 9:49 pmLHR-SMF

21h 09m2 stops

$595Air Canada

Find Deal

Sun, Sep 7 - Thu, Sep 25

6:19 am - 6:50 amSMF-LHR

16h 31m1 stop

8:20 am - 12:19 amLHR-SMF

23h 59m1 stop

$618Iberia

Find Deal

Tue, Dec 9 - Wed, Dec 24

10:05 am - 5:15 pmSMF-LHR

23h 10m1 stop

6:15 am - 4:12 pmLHR-SMF

17h 57m2 stops

$620Delta

Find Deal

Tue, Aug 19 - Thu, Aug 28

1:30 pm - 9:50 amSMF-LHR

12h 20m1 stop

6:15 am - 7:42 pmLHR-SMF

21h 27m2 stops

$622Delta

Find Deal

Wed, Aug 20 - Fri, Aug 29

6:29 pm - 4:05 pmSMF-LHR

13h 36m1 stop

10:30 am - 6:34 pmLHR-SMF

16h 04m1 stop

$624British Airways

Find Deal

Sun, Aug 10 - Tue, Sep 2

2:35 pm - 6:25 amSMF-LHR

31h 50m1 stop

12:00 pm - 8:59 pmLHR-SMF

16h 59m1 stop

$635Iberia

Find Deal

Sat, Aug 23 - Tue, Oct 14

1:50 pm - 11:00 amSMF-LHR

13h 10m1 stop

10:45 am - 4:24 pmLHR-SMF

13h 39m1 stop

$642Virgin Atlantic

Find Deal

Thu, Dec 11 - Thu, Dec 25

United Airlines flights from Sacramento to London Heathrow Airport

Our best United Airlines deals on Sacramento to London Heathrow Airport flight tickets

United Airlines

Sep 7

SMF1:00 pmSacramento Intl

15h 20m

1 stop

LHR12:20 pmLondon Heathrow

Sep 23

LHR2:10 pmLondon Heathrow

15h 39m

1 stop

SMF9:49 pmSacramento Intl

$572

Find similar

United Airlines

Oct 27

SMF4:05 pmSacramento Intl

12h 45m

1 stop

LHR11:50 amLondon Heathrow

Nov 11

LHR1:25 pmLondon Heathrow

37h 31m

2 stops

SMF6:56 pmSacramento Intl

$601

Find similar

United Airlines

Oct 27

SMF4:05 pmSacramento Intl

12h 45m

1 stop

LHR11:50 amLondon Heathrow

Nov 11

LHR1:25 pmLondon Heathrow

41h 02m

2 stops

SMF10:27 pmSacramento Intl

$602

Find similar

Air Canada flights from Sacramento to London Heathrow Airport

Our best Air Canada deals on Sacramento to London Heathrow Airport flight tickets

Air Canada

Sep 7

SMF4:05 pmSacramento Intl

59h 45m

2 stops

LHR11:50 amLondon Heathrow

Sep 23

LHR2:10 pmLondon Heathrow

15h 39m

1 stop

SMF9:49 pmSacramento Intl

$587

Find similar

Air Canada

Sep 7

SMF6:10 amSacramento Intl

16h 20m

2 stops

LHR6:30 amLondon Heathrow

Sep 25

LHR8:40 amLondon Heathrow

21h 09m

2 stops

SMF9:49 pmSacramento Intl

$595

Find similar

Air Canada

Sep 9

SMF9:00 amSacramento Intl

16h 35m

2 stops

LHR9:35 amLondon Heathrow

Sep 19

LHR8:40 amLondon Heathrow

21h 09m

2 stops

SMF9:49 pmSacramento Intl

$607

Find similar

momondo Fare Finder

Use the filters below to find and compare flights from Sacramento to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Sun 9/7

1:00 pm-12:20 pm

1 stop15h 20m

London Heathrow

Tue 9/23

2:10 pm-9:49 pm

1 stop15h 39m

$572

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Sun 9/7

4:05 pm-11:50 am

2 stops59h 45m

London Heathrow

Tue 9/23

2:10 pm-9:49 pm

1 stop15h 39m

$587

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Tue 9/23

9:00 am-9:35 am

2 stops16h 35m

London Heathrow

Tue 9/30

10:15 am-9:49 pm

2 stops19h 34m

$592

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Sun 9/7

6:10 am-6:30 am

2 stops16h 20m

London Heathrow

Thu 9/25

8:40 am-9:49 pm

2 stops21h 09m

$595

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Tue 12/9

6:19 am-6:50 am

1 stop16h 31m

London Heathrow

Wed 12/24

8:20 am-12:19 am

1 stop23h 59m

$618

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Tue 8/19

10:05 am-5:15 pm

1 stop23h 10m

London Heathrow

Thu 8/28

6:15 am-4:12 pm

2 stops17h 57m

$620

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Wed 8/20

1:30 pm-9:50 am

1 stop12h 20m

London Heathrow

Fri 8/29

6:15 am-7:42 pm

2 stops21h 27m

$622

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Sun 8/10

6:29 pm-4:05 pm

1 stop13h 36m

London Heathrow

Tue 9/2

10:30 am-6:34 pm

1 stop16h 04m

$624

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Sat 8/23

2:35 pm-6:25 am

1 stop31h 50m

London Heathrow

Tue 10/14

12:00 pm-8:59 pm

1 stop16h 59m

$635

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Thu 12/11

1:50 pm-11:00 am

1 stop13h 10m

London Heathrow

Thu 12/25

10:45 am-4:24 pm

1 stop13h 39m

$642

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 Heathrow Airport

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 Heathrow Airport?

The month of April is, on average, the cheapest month to fly to London Heathrow Airport from Sacramento, with most prices found around $801. If you’re not able to fly to London Heathrow Airport in April, then October is your next best option. Flight prices from Sacramento to London Heathrow Airport during October average around $803.

What is the cheapest day to depart on your flight to London Heathrow Airport?

Our data shows that Wednesday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $807. The most expensive day to fly to London Heathrow Airport is Saturday, with ticket prices averaging around $943.

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the morning. momondo users have found flights departing from Sacramento to London Heathrow Airport in the morning for as low as $849. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights at noon are often more expensive with an average ticket price of $985.

How far in advance should I book a flight to London Heathrow Airport?

You are more likely to see cheaper flights to London Heathrow Airport from Sacramento when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around $980 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Sacramento for as low as $836 on momondo.

How have Sacramento to London Heathrow Airport flight prices changed over time?

As of July 2025, prices for Sacramento to London Heathrow Airport flights are approximately 42% cheaper when compared to flights at the same time last year.

When to book flights from Sacramento to London Heathrow Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Sacramento to London Heathrow Airport according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Sacramento to London Heathrow Airport (SMF to LHR) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Sacramento to London Heathrow Airport

Best Price Found	$310
Fastest flight time	12h 07m
Direct flights	None

The best one-way flight to London Heathrow Airport from Sacramento in the past 72 hours is $310. The best round-trip flight deal from Sacramento to London Heathrow Airport found on momondo in the last 72 hours is $572.

The fastest flight from Sacramento to London Heathrow Airport takes 12h 07m

There are no direct flights from Sacramento to London Heathrow Airport. Popular non-direct route for this connection is Sacramento Intl Airport - London Heathrow Airport.

Search flight deals

How far is Sacramento Intl to London Heathrow by plane?
London Heathrow is 5268.3 mi away from Sacramento Intl. A reasonable flight in good conditions will take 12h 07m.
When did momondo last update prices for flights from Sacramento Intl Airport to London Heathrow Airport?
Prices for flights from Sacramento Intl Airport to London Heathrow Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Sacramento Intl Airport to London Heathrow Airport?
As of July 2025, there are 10 operators available to choose from for flights from Sacramento Intl Airport to London Heathrow Airport.
How old do you have to be to fly from Sacramento Intl Airport to London Heathrow Airport?
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 Heathrow Airport.
What documentation or ID do you need to fly to London Heathrow Airport?
The necessary travel and health documents for your London Heathrow Airport 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 Heathrow Airport?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Sacramento to London Heathrow Airport is United Airlines (36% of total bookings). The next most popular airlines are Virgin Atlantic (17%), Delta (15%), and American Airlines (11%).

Best airlines flying from Sacramento to London Heathrow Airport

Compare and see reviews for airlines that fly from Sacramento to London Heathrow Airport with momondo

Airline	Rating	Free Cancellation	Price
KLM	PriceFrom $578	Free Cancellation	Rating 7.8 1,383 reviews	Search KLM flights
Air Canada	PriceFrom $643	Free Cancellation	Rating 7.1 9,851 reviews	Search Air Canada flights
British Airways	PriceFrom $647	Free Cancellation	Rating 6.6 7,222 reviews	Search British Airways flights
Delta	PriceFrom $662	Free Cancellation	Rating 8.0 7,981 reviews	Search Delta flights
Virgin Atlantic	PriceFrom $674	Free Cancellation	Rating 7.4 655 reviews	Search Virgin Atlantic flights
Scandinavian Airlines	PriceFrom $683	Free Cancellation	Rating 7.3 1,457 reviews	Search Scandinavian Airlines flights
United Airlines	PriceFrom $702	Free Cancellation	Rating 7.4 8,900 reviews	Search United Airlines flights
American Airlines	PriceFrom $703	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
JetBlue	PriceFrom $738	Free Cancellation	Rating 7.2 2,914 reviews	Search JetBlue flights
Iberia	PriceFrom $889	Free Cancellation	Rating 7.0 2,859 reviews	Search Iberia flights

Gatwick

Hounslow

Dover

Slough

Luton

Dartford

Guildford

Milton Keynes

Stansted

Hayes

Crawley

Croydon

Chelmsford

Salisbury

Ilford

Brentwood

Colchester

Stratford-upon-Avon

Folkestone

Swindon

Why use momondo?

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

Finding the right flight to London from Sacramento is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to London quick and easy, saving you time and money.

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

Yes. All flights to London from Sacramento on momondo can be compared and filtered by various policies on offer, including flexible booking.

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 Heathrow Airport 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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Popular cities in the United Kingdom

Flights to London Gatwick Airportfrom $296

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Flights to London Stansted Airportfrom $417

Flights to London Luton Airportfrom $426

Flights to London Southend Airportfrom $518

Flights to Glasgow Intl Airportfrom $417

Flights to Belfast Intl Airportfrom $435

Flights to Belfast City Airportfrom $484

Cheap flights from Sacramento to London from $310

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 9/3. 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

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

United Airlines flights from Sacramento to London Heathrow Airport

Our best United Airlines deals on Sacramento to London Heathrow Airport flight tickets

Air Canada flights from Sacramento to London Heathrow Airport

Our best Air Canada deals on Sacramento to London Heathrow Airport flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Sacramento to London Heathrow Airport that are best for you.

See travel insights to London from

How to get the cheapest flight ticket from Sacramento to London Heathrow Airport

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 Heathrow Airport?

What is the cheapest day to depart on your flight to London Heathrow Airport?

Our data shows that Wednesday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $807. The most expensive day to fly to London Heathrow Airport is Saturday, with ticket prices averaging around $943.

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

How far in advance should I book a flight to London Heathrow Airport?

How have Sacramento to London Heathrow Airport flight prices changed over time?

As of July 2025, prices for Sacramento to London Heathrow Airport flights are approximately 42% cheaper when compared to flights at the same time last year.

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

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

What airlines fly to London Heathrow Airport?

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

Los Angeles (LAX) was the most common stop: 30% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Sacramento to London Heathrow Airport?

Flights via Phoenix (PHX) offer the lowest average round-trip price of $789.

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

Flights connecting via Denver (DEN) have the shortest average one-way travel time: 12h 39m.

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

Salt Lake City (SLC) has the shortest average layover time for this route: 1h 11m.

When to book flights from Sacramento to London Heathrow Airport

Cheap Sacramento to London Heathrow Airport (SMF to LHR) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Sacramento to London Heathrow Airport

Best Price Found

Fastest flight time

Direct flights

How far is Sacramento Intl to London Heathrow by plane?

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

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

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

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

What is the most popular airline from Sacramento to London Heathrow Airport?

Best airlines flying from Sacramento to London Heathrow Airport

Compare and see reviews for airlines that fly from Sacramento to London Heathrow Airport 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 Heathrow Airport 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 London

Popular cities in the United Kingdom

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