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Cheap flights from Sacramento to London from £231

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 4/12. 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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Scandinavian Airlines Logo
15:02 - 17:40SMF-LHR
18h 38m2 stops
Scandinavian Airlines Logo
10:20 - 22:20LHR-SMF
20h 00m2 stops
£439Scandinavian Airlines
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Tue, 13 Jan - Wed, 21 Jan
Delta Logo
13:30 - 10:00SMF-LHR
12h 30m1 stop
Delta Logo
08:55 - 22:10LHR-SMF
21h 15m2 stops
£449Delta
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Tue, 2 Dec - Wed, 10 Dec
Delta Logo
13:40 - 12:50SMF-LHR
15h 10m1 stop
Delta Logo
11:30 - 22:10LHR-SMF
18h 40m2 stops
£450Delta
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Tue, 2 Dec - Wed, 10 Dec
KLM Logo
11:29 - 10:30SMF-LHR
15h 01m1 stop
KLM Logo
11:20 - 17:51LHR-SMF
14h 31m1 stop
£455KLM
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Tue, 2 Dec - Wed, 10 Dec
KLM Logo
09:48 - 10:00SMF-LHR
16h 12m1 stop
KLM Logo
11:05 - 20:58LHR-SMF
17h 53m1 stop
£461KLM
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Tue, 13 Jan - Wed, 21 Jan
Multiple Airlines Logo
16:05 - 10:10SMF-LHR
58h 05m2 stops
Multiple Airlines Logo
07:40 - 17:46LHR-SMF
18h 06m2 stops
£464Multiple Airlines
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Sat, 29 Nov - Tue, 9 Dec
Multiple Airlines Logo
12:30 - 11:50SMF-LHR
15h 20m1 stop
Multiple Airlines Logo
06:35 - 11:52LHR-SMF
37h 17m2 stops
£467Multiple Airlines
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Thu, 19 Feb - Fri, 6 Mar
United Airlines Logo
20:33 - 12:00SMF-LHR
31h 27m1 stop
United Airlines Logo
06:35 - 19:40LHR-SMF
21h 05m2 stops
£470United Airlines
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Sat, 29 Nov - Wed, 10 Dec
United Airlines Logo
05:00 - 07:10SMF-LHR
18h 10m2 stops
United Airlines Logo
09:00 - 09:41LHR-SMF
32h 41m2 stops
£471United Airlines
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Fri, 5 Dec - Fri, 12 Dec
Virgin Atlantic Logo
06:15 - 06:50SMF-LHR
16h 35m2 stops
Virgin Atlantic Logo
09:40 - 20:42LHR-SMF
19h 02m2 stops
£477Virgin Atlantic
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Fri, 5 Dec - Fri, 12 Dec

KLM flights from Sacramento to London Heathrow Airport

Our best KLM deals on Sacramento to London Heathrow Airport flight tickets
KLM
2 Dec
SMF11:29Sacramento Intl
15h 01m
1 stop
LHR10:30London Heathrow
10 Dec
LHR11:20London Heathrow
14h 31m
1 stop
SMF17:51Sacramento Intl
£455
Find similar
KLM
13 Jan
SMF09:48Sacramento Intl
16h 12m
1 stop
LHR10:00London Heathrow
21 Jan
LHR11:05London Heathrow
17h 53m
1 stop
SMF20:58Sacramento Intl
£461
Find similar
KLM
5 Dec
SMF06:15Sacramento Intl
16h 50m
1 stop
LHR07:05London Heathrow
9 Dec
LHR11:05London Heathrow
17h 37m
1 stop
SMF20:42Sacramento Intl
£474
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United Airlines flights from Sacramento to London Heathrow Airport

Our best United Airlines deals on Sacramento to London Heathrow Airport flight tickets
United Airlines
29 Nov
SMF20:33Sacramento Intl
31h 27m
1 stop
LHR12:00London Heathrow
10 Dec
LHR06:35London Heathrow
21h 05m
2 stops
SMF19:40Sacramento Intl
£470
Find similar
United Airlines
5 Dec
SMF05:00Sacramento Intl
18h 10m
2 stops
LHR07:10London Heathrow
12 Dec
LHR09:00London Heathrow
32h 41m
2 stops
SMF09:41Sacramento Intl
£471
Find similar
United Airlines
5 Dec
SMF05:00Sacramento Intl
18h 10m
2 stops
LHR07:10London Heathrow
12 Dec
LHR09:00London Heathrow
20h 56m
2 stops
SMF21:56Sacramento Intl
£472
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momondo Fare Finder

 
Customise your flight search to find flights from Sacramento to London Heathrow Airport 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 279,928 searches. Data last updated 7 November 2025.
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

Tue 13/1

15:02-17:40

2 stops18h 38m

London Heathrow

Wed 21/1

10:20-22:20

2 stops20h 00m

£439

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Tue 2/12

13:30-10:00

1 stop12h 30m

London Heathrow

Wed 10/12

08:55-22:10

2 stops21h 15m

£449

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Tue 2/12

13:40-12:50

1 stop15h 10m

London Heathrow

Wed 10/12

11:30-22:10

2 stops18h 40m

£450

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Tue 2/12

11:29-10:30

1 stop15h 01m

London Heathrow

Wed 10/12

11:20-17:51

1 stop14h 31m

£455

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Tue 13/1

09:48-10:00

1 stop16h 12m

London Heathrow

Wed 21/1

11:05-20:58

1 stop17h 53m

£461

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Sat 29/11

16:05-10:10

2 stops58h 05m

London Heathrow

Tue 9/12

07:40-17:46

2 stops18h 06m

£464

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Thu 19/2

12:30-11:50

1 stop15h 20m

London Heathrow

Fri 6/3

06:35-11:52

2 stops37h 17m

£467

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Sat 29/11

20:33-12:00

1 stop31h 27m

London Heathrow

Wed 10/12

06:35-19:40

2 stops21h 05m

£470

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Fri 5/12

05:00-07:10

2 stops18h 10m

London Heathrow

Fri 12/12

09:00-09:41

2 stops32h 41m

£471

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Fri 5/12

06:15-06:50

2 stops16h 35m

London Heathrow

Fri 12/12

09:40-20:42

2 stops19h 02m

£477

Flights are sorted by cheapest return 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 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?

In general, October is the cheapest month to fly from Sacramento to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £597. The month of April is another great option to travel to London Heathrow Airport, with average flight prices from Sacramento averaging around £611.

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

On average, the least expensive day to fly to London Heathrow Airport from Sacramento is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as £514. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Thursday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Thursday is £656.

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 evening. momondo users have found flights departing from Sacramento to London Heathrow Airport in the evening for as low as £560. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying at midday when prices are £820 on average. Flights to London Heathrow Airport from Sacramento at midday are generally more expensive because this time of day is more convenient for travellers’ schedules.

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 £746 when searching weeks before you fly. 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 £629 on momondo.

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

As of November 2025, prices for Sacramento to London Heathrow Airport flights are approximately 20% more expensive 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 return 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

Direct flights

None
There are no direct flights from Sacramento to London Heathrow Airport. There are no popular flight routes from Sacramento to London Heathrow Airport.
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  • How far is Sacramento Intl to London Heathrow by plane?

    There are 5268.3 mi between Sacramento Intl and London Heathrow. Typically, this will take 12h 30m by plane in normal conditions.

  • 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?

  • 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 required travel and health documents for your London Heathrow Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London Heathrow Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • 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
Airline
Rating
Free Cancellation
Price
LufthansaPriceFrom £438Free CancellationRating
6.8
7,558 reviews
Search Lufthansa flights
Virgin AtlanticPriceFrom £452Free CancellationRating
7.5
672 reviews
Search Virgin Atlantic flights

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Milton Keynes
Luton
Gatwick
Maidstone
Slough
Northampton
Swindon
Canterbury
Stratford-upon-Avon
Southend-on-Sea
Ipswich
Ilford
Poole
Guildford
Swanage
Dover
Colchester
Chelmsford
Hayes

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Sacramento to London. momondo saves you time and could save you money on your trip.

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?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight 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?

Price alerts on flights to London from Sacramento are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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