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Cheap flights from Sacramento to London from £243

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 9/11. 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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Cheap return flights

Enter your travel dates to find the best prices.
Delta Logo
06:15 - 08:50
SMF
-
LHR
18h 35m
2 stops
Delta Logo
06:30 - 18:59
LHR
-
SMF
20h 29m
2 stops
£721Delta
Tue, 28 Jul - Wed, 12 Aug
Iberia Logo
05:31 - 06:20
SMF
-
LHR
16h 49m
1 stop
Iberia Logo
09:15 - 23:09
LHR
-
SMF
21h 54m
2 stops
£723Iberia
Fri, 21 Aug - Sun, 23 Aug
Delta Logo
06:56 - 11:20
SMF
-
LHR
20h 24m
1 stop
Delta Logo
06:30 - 20:19
LHR
-
SMF
21h 49m
2 stops
£724Delta
Thu, 27 Aug - Sat, 12 Sep
Air Canada Logo
06:00 - 06:30
SMF
-
LHR
16h 30m
2 stops
Air Canada Logo
14:05 - 13:17
LHR
-
SMF
31h 12m
2 stops
£725Air Canada
Tue, 4 Aug - Fri, 14 Aug
Lufthansa Logo
11:50 - 16:50
SMF
-
LHR
21h 00m
2 stops
Lufthansa Logo
06:30 - 15:22
LHR
-
SMF
16h 52m
2 stops
£726Lufthansa
Fri, 6 Nov - Sat, 14 Nov
Multiple Airlines Logo
06:00 - 06:30
SMF
-
LHR
16h 30m
2 stops
Multiple Airlines Logo
20:25 - 17:34
LHR
-
SMF
29h 09m
2 stops
£726Multiple Airlines
Sun, 9 Aug - Mon, 17 Aug
Alaska Airlines Logo
17:10 - 15:05
SMF
-
LHR
13h 55m
1 stop
Alaska Airlines Logo
17:00 - 12:20
LHR
-
SMF
27h 20m
1 stop
£727Alaska Airlines
Sun, 30 Aug - Mon, 7 Sep
Delta Logo
11:21 - 11:20
SMF
-
LHR
15h 59m
2 stops
Delta Logo
06:30 - 20:19
LHR
-
SMF
21h 49m
2 stops
£728Delta
Thu, 27 Aug - Sat, 12 Sep
United Airlines Logo
05:00 - 10:00
SMF
-
LHR
21h 00m
2 stops
United Airlines Logo
06:50 - 20:45
LHR
-
SMF
21h 55m
2 stops
£729United Airlines
Thu, 27 Aug - Sat, 12 Sep
Iberia Logo
14:59 - 14:25
SMF
-
LHR
15h 26m
1 stop
Iberia Logo
11:30 - 23:09
LHR
-
SMF
19h 39m
2 stops
£729Iberia
Sun, 16 Aug - Sat, 5 Sep

Lufthansa flights from Sacramento to London Heathrow Airport

Our best Lufthansa deals on Sacramento to London Heathrow Airport flight tickets
Lufthansa
6 Nov
SMF11:50Sacramento Intl
21h 00m
2 stops
LHR16:50London Heathrow
14 Nov
LHR06:30London Heathrow
16h 52m
2 stops
SMF15:22Sacramento Intl
£726
Lufthansa
27 Aug
SMF07:00Sacramento Intl
15h 45m
1 stop
LHR06:45London Heathrow
7 Sept
LHR11:25London Heathrow
14h 09m
1 stop
SMF17:34Sacramento Intl
£732
Lufthansa
4 Aug
SMF13:00Sacramento Intl
12h 40m
1 stop
LHR09:40London Heathrow
14 Aug
LHR07:30London Heathrow
18h 05m
2 stops
SMF17:35Sacramento Intl
£738

British Airways flights from Sacramento to London Heathrow Airport

Our best British Airways deals on Sacramento to London Heathrow Airport flight tickets
British Airways
28 Jul
SMF14:55Sacramento Intl
15h 30m
1 stop
LHR14:25London Heathrow
12 Aug
LHR08:20London Heathrow
18h 08m
1 stop
SMF18:28Sacramento Intl
£732
British Airways
6 Nov
SMF14:33Sacramento Intl
13h 27m
1 stop
LHR12:00London Heathrow
14 Nov
LHR11:50London Heathrow
18h 47m
1 stop
SMF22:37Sacramento Intl
£738
British Airways
6 Nov
SMF11:08Sacramento Intl
17h 07m
1 stop
LHR12:15London Heathrow
14 Nov
LHR10:15London Heathrow
17h 20m
1 stop
SMF19:35Sacramento Intl
£739

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 23 May 2026.
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

Cheapest return flight

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Tue 28/7

06:15-08:50

2 stops18h 35m

London Heathrow

Wed 12/8

06:30-18:59

2 stops20h 29m

£721

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Fri 21/8

05:31-06:20

1 stop16h 49m

London Heathrow

Sun 23/8

09:15-23:09

2 stops21h 54m

£723

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Thu 27/8

06:56-11:20

1 stop20h 24m

London Heathrow

Sat 12/9

06:30-20:19

2 stops21h 49m

£724

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Tue 4/8

06:00-06:30

2 stops16h 30m

London Heathrow

Fri 14/8

14:05-13:17

2 stops31h 12m

£725

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Fri 6/11

11:50-16:50

2 stops21h 00m

London Heathrow

Sat 14/11

06:30-15:22

2 stops16h 52m

£726

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Sun 9/8

06:00-06:30

2 stops16h 30m

London Heathrow

Mon 17/8

20:25-17:34

2 stops29h 09m

£726

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Sun 30/8

17:10-15:05

1 stop13h 55m

London Heathrow

Mon 7/9

17:00-12:20

1 stop27h 20m

£727

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Thu 27/8

11:21-11:20

2 stops15h 59m

London Heathrow

Sat 12/9

06:30-20:19

2 stops21h 49m

£728

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Thu 27/8

05:00-10:00

2 stops21h 00m

London Heathrow

Sat 12/9

06:50-20:45

2 stops21h 55m

£729
Fastest return journey

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Sun 16/8

14:59-14:25

1 stop15h 26m

London Heathrow

Sat 5/9

11:30-23:09

2 stops19h 39m

£729

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 typical price of a round-trip flight between Sacramento and London Heathrow Airport?

What is the cheapest month to fly to London Heathrow Airport?

In general, March 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 £496. The month of January is another great option to travel to London Heathrow Airport, with average flight prices from Sacramento averaging around £560.

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 Tuesday. momondo users have found tickets for Tuesday departures for as low as £531. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Friday is £625.

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 £574. 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 £769 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 from Sacramento 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 £668 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 £610 on momondo.

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

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

Fastest flight time

12h 40m

Direct flights

None
The fastest flight from Sacramento to London Heathrow Airport takes 12h 40m
There are no direct flights from Sacramento to London Heathrow Airport. There are no popular flight routes from Sacramento to London Heathrow Airport.
Search flight deals

Frequently asked questions about flying from Sacramento to London Heathrow Airport

  • 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 40m 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 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.

Travelling to a place near London?

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

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.

An easier way to manage your London Heathrow Airport trip

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