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Cheap flights from Sacramento to London from £183

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 12/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags
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Find the cheapest flights from Sacramento to London

Cheap return flights

Enter your travel dates to find the best prices.
Iberia Logo
11:07 - 09:00
SMF
-
LHR
13h 53m
1 stop
Iberia Logo
09:15 - 23:59
LHR
-
SMF
22h 44m
2 stops
£646Iberia
Wed, 14 Oct - Thu, 22 Oct
Multiple Airlines Logo
16:05 - 09:20
SMF
-
LHR
34h 15m
2 stops
Multiple Airlines Logo
20:05 - 20:22
LHR
-
SMF
32h 17m
2 stops
£647Multiple Airlines
Sat, 31 Oct - Thu, 5 Nov
Multiple Airlines Logo
16:05 - 07:10
SMF
-
LHR
55h 05m
2 stops
Multiple Airlines Logo
07:40 - 20:47
LHR
-
SMF
21h 07m
2 stops
£649Multiple Airlines
Mon, 28 Dec - Tue, 12 Jan
United Airlines Logo
11:00 - 09:40
SMF
-
LHR
14h 40m
1 stop
United Airlines Logo
11:10 - 22:19
LHR
-
SMF
19h 09m
2 stops
£650United Airlines
Sun, 1 Nov - Thu, 5 Nov
Alaska Airlines Logo
19:09 - 12:20
SMF
-
LHR
34h 11m
1 stop
Alaska Airlines Logo
14:45 - 13:28
LHR
-
SMF
30h 43m
1 stop
£651Alaska Airlines
Sat, 31 Oct - Thu, 5 Nov
Multiple Airlines Logo
06:00 - 06:30
SMF
-
LHR
16h 30m
2 stops
Multiple Airlines Logo
20:05 - 22:46
LHR
-
SMF
34h 41m
2 stops
£652Multiple Airlines
Wed, 14 Oct - Thu, 22 Oct
United Airlines Logo
16:12 - 09:40
SMF
-
LHR
34h 28m
1 stop
United Airlines Logo
06:50 - 21:52
LHR
-
SMF
23h 02m
2 stops
£653United Airlines
Sat, 31 Oct - Wed, 4 Nov
United Airlines Logo
16:12 - 09:40
SMF
-
LHR
34h 28m
1 stop
United Airlines Logo
11:10 - 22:19
LHR
-
SMF
19h 09m
2 stops
£653United Airlines
Sat, 31 Oct - Thu, 5 Nov
United Airlines Logo
16:12 - 09:40
SMF
-
LHR
33h 28m
1 stop
United Airlines Logo
14:30 - 15:21
LHR
-
SMF
32h 51m
1 stop
£654United Airlines
Tue, 17 Nov - Fri, 27 Nov
Finnair Logo
11:13 - 11:05
SMF
-
LHR
15h 52m
1 stop
Finnair Logo
08:55 - 18:08
LHR
-
SMF
17h 13m
1 stop
£657Finnair
Mon, 17 Aug - Wed, 2 Sep

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Delta flights from Sacramento to London Heathrow Airport

Our best Delta deals on Sacramento to London Heathrow Airport flight tickets
Delta
17 Nov
SMF13:00Sacramento Intl
13h 30m
1 stop
LHR10:30London Heathrow
27 Nov
LHR06:30London Heathrow
17h 57m
2 stops
SMF16:27Sacramento Intl
£649
Delta
7 Oct
SMF11:19Sacramento Intl
16h 01m
1 stop
LHR11:20London Heathrow
13 Oct
LHR06:30London Heathrow
18h 27m
2 stops
SMF16:57Sacramento Intl
£672
Delta
14 Oct
SMF06:00Sacramento Intl
20h 00m
1 stop
LHR10:00London Heathrow
22 Oct
LHR09:55London Heathrow
18h 52m
2 stops
SMF20:47Sacramento Intl
£673

Lufthansa flights from Sacramento to London Heathrow Airport

Our best Lufthansa deals on Sacramento to London Heathrow Airport flight tickets
Lufthansa
25 Oct
SMF10:17Sacramento Intl
23h 48m
2 stops
LHR17:05London Heathrow
11 Nov
LHR11:10London Heathrow
20h 33m
2 stops
SMF23:43Sacramento Intl
£663
Lufthansa
22 Oct
SMF14:00Sacramento Intl
21h 40m
2 stops
LHR19:40London Heathrow
3 Nov
LHR06:30London Heathrow
16h 51m
2 stops
SMF15:21Sacramento Intl
£680
Lufthansa
22 Oct
SMF14:00Sacramento Intl
21h 40m
2 stops
LHR19:40London Heathrow
3 Nov
LHR06:30London Heathrow
16h 51m
2 stops
SMF15:21Sacramento Intl
£682

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 19 July 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

Wed 14/10

11:07-09:00

1 stop13h 53m

London Heathrow

Thu 22/10

09:15-23:59

2 stops22h 44m

£646

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Sat 31/10

16:05-09:20

2 stops34h 15m

London Heathrow

Thu 5/11

20:05-20:22

2 stops32h 17m

£647

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Mon 28/12

16:05-07:10

2 stops55h 05m

London Heathrow

Tue 12/1

07:40-20:47

2 stops21h 07m

£649

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Sun 1/11

11:00-09:40

1 stop14h 40m

London Heathrow

Thu 5/11

11:10-22:19

2 stops19h 09m

£650

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Sat 31/10

19:09-12:20

1 stop34h 11m

London Heathrow

Thu 5/11

14:45-13:28

1 stop30h 43m

£651

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Wed 14/10

06:00-06:30

2 stops16h 30m

London Heathrow

Thu 22/10

20:05-22:46

2 stops34h 41m

£652

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Sat 31/10

16:12-09:40

1 stop34h 28m

London Heathrow

Wed 4/11

06:50-21:52

2 stops23h 02m

£653

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Sat 31/10

16:12-09:40

1 stop34h 28m

London Heathrow

Thu 5/11

11:10-22:19

2 stops19h 09m

£653

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Tue 17/11

16:12-09:40

1 stop33h 28m

London Heathrow

Fri 27/11

14:30-15:21

1 stop32h 51m

£654
Fastest return journey

SacramentoLondon

SMF - LHR

SMFLHR

Sacramento Intl

Mon 17/8

11:13-11:05

1 stop15h 52m

London Heathrow

Wed 2/9

08:55-18:08

1 stop17h 13m

£657

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 £505. 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 Wednesday. momondo users have found tickets for Wednesday departures for as low as £569. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Tuesday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Tuesday is £817.

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 £552. 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 £878 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 £689 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 £546 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 43m

Direct flights

None
The fastest flight from Sacramento to London Heathrow Airport takes 12h 43m
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 43m 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
Wembley
Gatwick
Milton Keynes
Luton
Stratford-upon-Avon
Southend-on-Sea
Slough
Northampton
Ipswich
Maidstone
Swindon
Folkestone
Ilford
Hastings
Poole
Canterbury
Guildford
Chichester
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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