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?

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

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 connection time from Sacramento to London?

Seattle (SEA) has the shortest average layover time for this route: 1h 03m.

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 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 May 2026, there are 7 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.

$328 Cheap Flights from Sacramento to London in 2026

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

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.

6:00 am - 7:10 am

SMF

LHR

17h 10m

2 stops

6:30 am - 4:27 pm

LHR

SMF

17h 57m

2 stops

$979Delta

Thu, Oct 1 - Sun, Oct 18

6:37 pm - 10:10 am

SMF

LHR

31h 33m

1 stop

3:05 pm - 5:21 pm

LHR

SMF

34h 16m

1 stop

$981United Airlines

Thu, Oct 1 - Sun, Oct 18

2:17 pm - 11:55 am

SMF

LHR

13h 38m

1 stop

6:30 am - 5:23 pm

LHR

SMF

18h 53m

2 stops

$982Lufthansa

Tue, Aug 4 - Fri, Aug 14

7:00 am - 6:45 am

SMF

LHR

15h 45m

1 stop

1:05 pm - 8:26 pm

LHR

SMF

15h 21m

1 stop

$984Lufthansa

Thu, Aug 27 - Sat, Sep 12

7:03 pm - 2:10 pm

SMF

LHR

35h 07m

1 stop

6:00 am - 6:18 pm

LHR

SMF

20h 18m

2 stops

$985Multiple Airlines

Sat, Aug 1 - Mon, Aug 31

12:55 pm - 3:05 pm

SMF

LHR

18h 10m

1 stop

5:00 pm - 11:50 pm

LHR

SMF

14h 50m

1 stop

$986Alaska Airlines

Fri, Oct 2 - Sat, Oct 17

7:50 am - 4:00 pm

SMF

LGW

24h 10m

2 stops

10:25 am - 8:35 pm

LGW

SMF

42h 10m

2 stops

$988Delta

Mon, Aug 3 - Thu, Aug 13

8:13 am - 10:40 am

SMF

LHR

18h 27m

1 stop

12:15 pm - 8:45 pm

LHR

SMF

16h 30m

1 stop

$990United Airlines

Sun, Aug 30 - Sun, Sep 6

7:00 am - 8:25 am

SMF

LGW

17h 25m

2 stops

9:25 am - 10:48 pm

LGW

SMF

21h 23m

2 stops

$995SWISS

Mon, Aug 17 - Mon, Aug 31

8:13 am - 12:35 pm

SMF

LCY

20h 22m

2 stops

9:15 am - 10:46 pm

LCY

SMF

21h 31m

2 stops

$1,005SWISS

Thu, Sep 17 - Mon, Oct 5

British Airways flights from Sacramento to London

Our best British Airways deals on Sacramento to London flight tickets

British Airways

Aug 4

SMF10:05 amSacramento Intl

16h 10m

1 stop

LHR10:15 amLondon Heathrow

Aug 14

LHR2:25 pmLondon Heathrow

16h 44m

1 stop

SMF11:09 pmSacramento Intl

$993

British Airways

Aug 27

SMF2:59 pmSacramento Intl

15h 26m

1 stop

LHR2:25 pmLondon Heathrow

Sep 12

LHR8:55 amLondon Heathrow

22h 39m

1 stop

SMF11:34 pmSacramento Intl

$996

British Airways

Aug 15

SMF11:59 pmSacramento Intl

22h 21m

1 stop

LHR6:20 amLondon Heathrow

Aug 24

LHR10:05 amLondon Heathrow

18h 26m

1 stop

SMF8:31 pmSacramento Intl

$1,006

Iberia flights from Sacramento to London

Our best Iberia deals on Sacramento to London flight tickets

Iberia

Aug 14

SMF2:59 pmSacramento Intl

15h 26m

1 stop

LHR2:25 pmLondon Heathrow

Aug 23

LHR9:15 amLondon Heathrow

21h 54m

2 stops

SMF11:09 pmSacramento Intl

$1,031

Iberia

Jun 14

SMF5:31 amSacramento Intl

19h 29m

1 stop

LHR9:00 amLondon Heathrow

Aug 23

LHR11:30 amLondon Heathrow

19h 39m

2 stops

SMF11:09 pmSacramento Intl

$1,294

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Thu 10/1

6:00 am-7:10 am

2 stops17h 10m

London Heathrow

Sun 10/18

6:30 am-4:27 pm

2 stops17h 57m

$979

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Thu 10/1

6:37 pm-10:10 am

1 stop31h 33m

London Heathrow

Sun 10/18

3:05 pm-5:21 pm

1 stop34h 16m

$981

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Tue 8/4

2:17 pm-11:55 am

1 stop13h 38m

London Heathrow

Fri 8/14

6:30 am-5:23 pm

2 stops18h 53m

$982

Quickest round-trip

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Thu 8/27

7:00 am-6:45 am

1 stop15h 45m

London Heathrow

Sat 9/12

1:05 pm-8:26 pm

1 stop15h 21m

$984

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Sat 8/1

7:03 pm-2:10 pm

1 stop35h 07m

London Heathrow

Mon 8/31

6:00 am-6:18 pm

2 stops20h 18m

$985

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Fri 10/2

12:55 pm-3:05 pm

1 stop18h 10m

London Heathrow

Sat 10/17

5:00 pm-11:50 pm

1 stop14h 50m

$986

SacramentoLondon

SMF - LGW

SMFLGW

Sacramento Intl

Mon 8/3

7:50 am-4:00 pm

2 stops24h 10m

London Gatwick

Thu 8/13

10:25 am-8:35 pm

2 stops42h 10m

$988

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Sun 8/30

8:13 am-10:40 am

1 stop18h 27m

London Heathrow

Sun 9/6

12:15 pm-8:45 pm

1 stop16h 30m

$990

SacramentoLondon

SMF - LGW

SMFLGW

Sacramento Intl

Mon 8/17

7:00 am-8:25 am

2 stops17h 25m

London Gatwick

Mon 8/31

9:25 am-10:48 pm

2 stops21h 23m

$995

SacramentoLondon

SMF - LCY

SMFLCY

Sacramento Intl

Thu 9/17

8:13 am-12:35 pm

2 stops20h 22m

London City

Mon 10/5

9:15 am-10:46 pm

2 stops21h 31m

$1,005

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 $850. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $982. 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 $887 when looking at flights departing in the morning. Flights to London are more costly at noon, with an average ticket price of $940. 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 $904 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 $820 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.

Search flight deals

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 May 2026, there are 7 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 39% of all bookings. The subsequent popular airlines are Virgin Atlantic at 17%, Delta at 15%, and JetBlue 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
JetBlue	PriceFrom $530	Free Cancellation	Rating 7.1 2,983 reviews	Search JetBlue flights
Virgin Atlantic	PriceFrom $599	Free Cancellation	Rating 7.5 689 reviews	Search Virgin Atlantic flights
Lufthansa	PriceFrom $624	Free Cancellation	Rating 6.8 8,033 reviews	Search Lufthansa flights
United Airlines	PriceFrom $624	Free Cancellation	Rating 7.4 9,769 reviews	Search United Airlines flights
British Airways	PriceFrom $625	Free Cancellation	Rating 6.7 8,014 reviews	Search British Airways flights
Delta	PriceFrom $625	Free Cancellation	Rating 7.9 8,412 reviews	Search Delta flights
American Airlines	PriceFrom $675	Free Cancellation	Rating 7.1 11,643 reviews	Search American Airlines flights

Hounslow

Gatwick

Milton Keynes

Luton

Dover

Hayes

Crawley

Croydon

Wembley

Slough

Stansted

Harrow

Dartford

Brentwood

Watford

Ilford

Cobham

Folkestone

Uxbridge

Guildford

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.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Tue 6/30

Tue 7/7

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United Kingdom

Nearby airports

Airlines

Cabin classes

Other United Kingdom destinations

Complete your trip

Feeling lucky

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

Cheap flights from Sacramento to London from $328

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 9/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Sacramento to London

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

British Airways flights from Sacramento to London

Our best British Airways deals on Sacramento to London flight tickets

Iberia flights from Sacramento to London

Our best Iberia deals on Sacramento to London flight tickets

momondo Fare Finder

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

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

Complete your trip to London

Explore popular destinations other users love

According to popular flight searches on momondo this year