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Cheap flights from Sacramento to London from $343

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 2/11. 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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0 bags

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Find the cheapest flights from Sacramento to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
Scandinavian Airlines Logo
3:02 pm - 9:40 pmSMF-LHR
22h 38m2 stops
Scandinavian Airlines Logo
10:20 am - 10:20 pmLHR-SMF
20h 00m2 stops
$577Scandinavian Airlines
Find Deal
Thu, Jan 15 - Fri, Jan 23
KLM Logo
9:50 am - 10:00 amSMF-LHR
16h 10m1 stop
KLM Logo
11:20 am - 5:51 pmLHR-SMF
14h 31m1 stop
$588KLM
Find Deal
Mon, Dec 1 - Tue, Dec 16
Delta Logo
6:15 am - 7:05 amSMF-LHR
16h 50m1 stop
Delta Logo
6:20 am - 7:38 pmLHR-SMF
21h 18m2 stops
$590Delta
Find Deal
Tue, Dec 2 - Wed, Dec 10
Virgin Atlantic Logo
1:40 pm - 12:50 pmSMF-LHR
15h 10m1 stop
Virgin Atlantic Logo
6:30 am - 5:51 pmLHR-SMF
19h 21m2 stops
$591Virgin Atlantic
Find Deal
Tue, Dec 2 - Wed, Dec 10
Delta Logo
6:00 am - 7:05 amSMF-LHR
17h 05m2 stops
Delta Logo
11:30 am - 10:10 pmLHR-SMF
18h 40m2 stops
$594Delta
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Tue, Dec 2 - Wed, Dec 10
Virgin Atlantic Logo
9:18 am - 10:00 amSMF-LHR
16h 42m2 stops
Virgin Atlantic Logo
6:30 am - 5:51 pmLHR-SMF
19h 21m2 stops
$595Virgin Atlantic
Find Deal
Tue, Dec 2 - Wed, Dec 10
Delta Logo
11:29 am - 10:30 amSMF-LHR
15h 01m1 stop
Delta Logo
8:55 am - 10:59 pmLHR-SMF
22h 04m1 stop
$597Delta
Find Deal
Tue, Dec 2 - Wed, Dec 10
Multiple Airlines Logo
8:45 am - 12:45 pmSMF-LCY
20h 00m3 stops
Multiple Airlines Logo
5:40 pm - 9:05 pmLCY-SMF
35h 25m2 stops
$659Multiple Airlines
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Sat, Feb 14 - Sun, Feb 22
Multiple Airlines Logo
7:00 am - 12:55 pmSMF-LCY
21h 55m2 stops
Multiple Airlines Logo
9:50 am - 9:56 pmLCY-SMF
20h 06m2 stops
$662Multiple Airlines
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Tue, Dec 2 - Wed, Dec 10
Lufthansa Logo
2:26 pm - 5:40 pmSMF-LCY
19h 14m2 stops
Lufthansa Logo
9:50 am - 7:40 pmLCY-SMF
17h 50m2 stops
$844Lufthansa
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Mon, Dec 1 - Wed, Dec 10

KLM flights from Sacramento to London

Our best KLM deals on Sacramento to London flight tickets
KLM
Dec 1
SMF9:50 amSacramento Intl
16h 10m
1 stop
LHR10:00 amLondon Heathrow
Dec 16
LHR11:20 amLondon Heathrow
14h 31m
1 stop
SMF5:51 pmSacramento Intl
$588
Find similar
KLM
Nov 18
SMF9:50 amSacramento Intl
16h 10m
1 stop
LHR10:00 amLondon Heathrow
Nov 26
LHR11:05 amLondon Heathrow
17h 34m
1 stop
SMF8:39 pmSacramento Intl
$597
Find similar
KLM
Nov 17
SMF11:51 amSacramento Intl
12h 54m
1 stop
LHR8:45 amLondon Heathrow
Nov 24
LHR11:20 amLondon Heathrow
16h 18m
1 stop
SMF7:38 pmSacramento Intl
$646
Find similar

Delta flights from Sacramento to London

Our best Delta deals on Sacramento to London flight tickets
Delta
Dec 2
SMF6:15 amSacramento Intl
16h 50m
1 stop
LHR7:05 amLondon Heathrow
Dec 10
LHR6:20 amLondon Heathrow
21h 18m
2 stops
SMF7:38 pmSacramento Intl
$590
Find similar
Delta
Nov 18
SMF7:00 amSacramento Intl
16h 50m
1 stop
LHR7:50 amLondon Heathrow
Nov 26
LHR6:30 amLondon Heathrow
17h 30m
2 stops
SMF4:00 pmSacramento Intl
$591
Find similar
Delta
Dec 2
SMF6:00 amSacramento Intl
17h 05m
2 stops
LHR7:05 amLondon Heathrow
Dec 10
LHR11:30 amLondon Heathrow
18h 40m
2 stops
SMF10:10 pmSacramento Intl
$594
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Sacramento to London that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated November 13, 2025.
Use the filters below to find and compare flights from Sacramento to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Thu 1/15

3:02 pm-9:40 pm

2 stops22h 38m

London Heathrow

Fri 1/23

10:20 am-10:20 pm

2 stops20h 00m

$577

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Mon 12/1

9:50 am-10:00 am

1 stop16h 10m

London Heathrow

Tue 12/16

11:20 am-5:51 pm

1 stop14h 31m

$588

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Tue 12/2

6:15 am-7:05 am

1 stop16h 50m

London Heathrow

Wed 12/10

6:20 am-7:38 pm

2 stops21h 18m

$590

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Tue 12/2

1:40 pm-12:50 pm

1 stop15h 10m

London Heathrow

Wed 12/10

6:30 am-5:51 pm

2 stops19h 21m

$591

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Tue 12/2

6:00 am-7:05 am

2 stops17h 05m

London Heathrow

Wed 12/10

11:30 am-10:10 pm

2 stops18h 40m

$594

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Tue 12/2

9:18 am-10:00 am

2 stops16h 42m

London Heathrow

Wed 12/10

6:30 am-5:51 pm

2 stops19h 21m

$595

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Tue 12/2

11:29 am-10:30 am

1 stop15h 01m

London Heathrow

Wed 12/10

8:55 am-10:59 pm

1 stop22h 04m

$597

SacramentoLondon

SMF - LCY

SMFLCY

Sacramento Intl

Sat 2/14

8:45 am-12:45 pm

3 stops20h 00m

London City

Sun 2/22

5:40 pm-9:05 pm

2 stops35h 25m

$659

SacramentoLondon

SMF - LCY

SMFLCY

Sacramento Intl

Tue 12/2

7:00 am-12:55 pm

2 stops21h 55m

London City

Wed 12/10

9:50 am-9:56 pm

2 stops20h 06m

$662

SacramentoLondon

SMF - LCY

SMFLCY

Sacramento Intl

Mon 12/1

2:26 pm-5:40 pm

2 stops19h 14m

London City

Wed 12/10

9:50 am-7:40 pm

2 stops17h 50m

$844

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to London from

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?

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 $980 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 $817 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.
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 15h 01m.

  • 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?

  • 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?

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 CanadaPriceFrom $615Free CancellationRating
7.1
10,448 reviews
Search Air Canada flights
Virgin AtlanticPriceFrom $630Free CancellationRating
7.5
673 reviews
Search Virgin Atlantic flights
DeltaPriceFrom $679Free CancellationRating
7.9
8,008 reviews
Search Delta flights
Scandinavian AirlinesPriceFrom $683Free CancellationRating
7.4
1,575 reviews
Search Scandinavian Airlines flights
United AirlinesPriceFrom $689Free CancellationRating
7.4
9,017 reviews
Search United Airlines flights
British AirwaysPriceFrom $697Free CancellationRating
6.7
7,517 reviews
Search British Airways flights
American AirlinesPriceFrom $702Free CancellationRating
7.2
11,051 reviews
Search American Airlines flights
JetBluePriceFrom $743Free CancellationRating
7.2
2,907 reviews
Search JetBlue flights
IberiaPriceFrom $825Free CancellationRating
7.0
3,012 reviews
Search Iberia flights

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
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.
Start using Trips
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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
London City Airport
London Gatwick Airport
London Heathrow Airport
London Luton Airport
London Southend Airport
London Stansted Airport