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

United Airlines, Delta, and American Airlines are the most popular carriers operating from Sacramento Intl to London

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

New York (JFK) was the most common stop: 27% of momondo users choosing 1-stop flights on this route connected there.

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 46% of people opting to fly with this airline when traveling to London. Keep in mind that there are 20 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 Boston (BOS) offer the lowest average round-trip price of $390.

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 March 2026, 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.

$229 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

Last minute

Cheap round-trip flights

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2:09 pm - 5:40 pm

SMF

LHR

19h 31m

2 stops

6:55 am - 9:12 pm

LHR

SMF

22h 17m

2 stops

$643Lufthansa

Mon, Aug 10 - Wed, Aug 26

7:00 pm - 10:10 am

SMF

LHR

31h 10m

1 stop

8:40 am - 11:28 pm

LHR

SMF

22h 48m

2 stops

$648United Airlines

Fri, Aug 21 - Mon, Aug 24

11:50 am - 9:40 am

SMF

LHR

37h 50m

2 stops

8:40 am - 7:38 pm

LHR

SMF

18h 58m

2 stops

$658United Airlines

Fri, Aug 21 - Mon, Aug 24

6:00 pm - 6:30 am

SMF

LHR

28h 30m

2 stops

6:55 am - 5:45 pm

LHR

SMF

18h 50m

2 stops

$666Multiple Airlines

Mon, Aug 10 - Wed, Aug 26

6:00 pm - 11:50 am

SMF

LHR

33h 50m

2 stops

1:50 pm - 6:49 pm

LHR

SMF

36h 59m

2 stops

$673Multiple Airlines

Sun, Aug 16 - Tue, Aug 25

6:00 pm - 10:00 am

SMF

LHR

32h 00m

2 stops

10:50 am - 11:56 pm

LHR

SMF

21h 06m

2 stops

$676Multiple Airlines

Mon, Aug 10 - Wed, Aug 26

6:00 pm - 11:50 am

SMF

LHR

33h 50m

2 stops

9:30 am - 1:06 pm

LHR

SMF

35h 36m

2 stops

$680Air Canada

Sat, Aug 15 - Tue, Sep 1

2:42 pm - 4:00 pm

SMF

LGW

17h 18m

2 stops

10:25 am - 7:50 pm

LGW

SMF

17h 25m

2 stops

$727Delta

Tue, Apr 21 - Thu, May 14

2:10 pm - 4:00 pm

SMF

LGW

17h 50m

2 stops

10:25 am - 10:21 pm

LGW

SMF

19h 56m

2 stops

$747Delta

Mon, Mar 30 - Wed, Apr 15

8:17 am - 3:15 pm

SMF

LCY

22h 58m

2 stops

7:15 pm - 9:14 pm

LCY

SMF

33h 59m

2 stops

$894British Airways

Tue, Apr 21 - Tue, May 5

Iberia flights from Sacramento to London

Our best Iberia deals on Sacramento to London flight tickets

Iberia

Apr 22

SMF2:27 pmSacramento Intl

15h 58m

1 stop

LHR2:25 pmLondon Heathrow

May 6

LHR6:15 amLondon Heathrow

24h 26m

2 stops

SMF10:41 pmSacramento Intl

$711

Iberia

Apr 21

SMF11:38 amSacramento Intl

18h 47m

1 stop

LHR2:25 pmLondon Heathrow

May 14

LHR11:30 amLondon Heathrow

20h 29m

2 stops

SMF11:59 pmSacramento Intl

$732

Iberia

Mar 3

SMF6:00 amSacramento Intl

19h 15m

2 stops

LHR9:15 amLondon Heathrow

Mar 5

LHR2:45 pmLondon Heathrow

15h 56m

1 stop

SMF10:41 pmSacramento Intl

$1,245

Delta flights from Sacramento to London

Our best Delta deals on Sacramento to London flight tickets

Delta

Aug 15

SMF7:50 pmSacramento Intl

32h 20m

1 stop

LHR12:10 pmLondon Heathrow

Sep 1

LHR8:40 amLondon Heathrow

21h 33m

2 stops

SMF10:13 pmSacramento Intl

$712

Delta

Apr 21

SMF1:05 pmSacramento Intl

16h 45m

2 stops

LHR1:50 pmLondon Heathrow

May 14

LHR6:30 amLondon Heathrow

18h 11m

2 stops

SMF4:41 pmSacramento Intl

$725

Delta

Apr 21

SMF9:42 amSacramento Intl

23h 53m

1 stop

LHR5:35 pmLondon Heathrow

May 5

LHR9:55 amLondon Heathrow

18h 40m

2 stops

SMF8:35 pmSacramento Intl

$726

Fly from

Fly to

Route

Depart

Return

Price

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Mon 8/10

2:09 pm-5:40 pm

2 stops19h 31m

London Heathrow

Wed 8/26

6:55 am-9:12 pm

2 stops22h 17m

$643

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Fri 8/21

7:00 pm-10:10 am

1 stop31h 10m

London Heathrow

Mon 8/24

8:40 am-11:28 pm

2 stops22h 48m

$648

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Fri 8/21

11:50 am-9:40 am

2 stops37h 50m

London Heathrow

Mon 8/24

8:40 am-7:38 pm

2 stops18h 58m

$658

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Mon 8/10

6:00 pm-6:30 am

2 stops28h 30m

London Heathrow

Wed 8/26

6:55 am-5:45 pm

2 stops18h 50m

$666

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Sun 8/16

6:00 pm-11:50 am

2 stops33h 50m

London Heathrow

Tue 8/25

1:50 pm-6:49 pm

2 stops36h 59m

$673

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Mon 8/10

6:00 pm-10:00 am

2 stops32h 00m

London Heathrow

Wed 8/26

10:50 am-11:56 pm

2 stops21h 06m

$676

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Sat 8/15

6:00 pm-11:50 am

2 stops33h 50m

London Heathrow

Tue 9/1

9:30 am-1:06 pm

2 stops35h 36m

$680

SacramentoLondon

SMF - LGW

SMFLGW

Sacramento Intl

Tue 4/21

2:42 pm-4:00 pm

2 stops17h 18m

London Gatwick

Thu 5/14

10:25 am-7:50 pm

2 stops17h 25m

$727

SacramentoLondon

SMF - LGW

SMFLGW

Sacramento Intl

Mon 3/30

2:10 pm-4:00 pm

2 stops17h 50m

London Gatwick

Wed 4/15

10:25 am-10:21 pm

2 stops19h 56m

$747

SacramentoLondon

SMF - LCY

SMFLCY

Sacramento Intl

Tue 4/21

8:17 am-3:15 pm

2 stops22h 58m

London City

Tue 5/5

7:15 pm-9:14 pm

2 stops33h 59m

$894

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 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 $943. 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 $850 when looking at flights departing in the morning. Flights to London are more costly at noon, with an average ticket price of $959. 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 $894 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 38% 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 36m
Direct flights	None

The fastest flight from Sacramento to London takes 13h 36m

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 36m.
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 March 2026, 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 35% of all bookings. The subsequent popular airlines are Virgin Atlantic at 15%, Delta at 13%, 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 7.5 680 reviews	Search Virgin Atlantic flights
Air Canada	PriceFrom $615	Free Cancellation	Rating 7.1 10,764 reviews	Search Air Canada flights
Lufthansa	PriceFrom $624	Free Cancellation	Rating 6.8 7,818 reviews	Search Lufthansa flights
United Airlines	PriceFrom $625	Free Cancellation	Rating 7.4 9,375 reviews	Search United Airlines flights
Delta	PriceFrom $630	Free Cancellation	Rating 7.9 8,237 reviews	Search Delta flights
American Airlines	PriceFrom $678	Free Cancellation	Rating 7.1 11,369 reviews	Search American Airlines flights
British Airways	PriceFrom $679	Free Cancellation	Rating 6.7 7,774 reviews	Search British Airways flights
JetBlue	PriceFrom $743	Free Cancellation	Rating 7.2 2,894 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 $229

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 7/18. 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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Iberia 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?

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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