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Cheap flights from San Salvador to London from £234

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Salvador to London departing on 17/11. 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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Cheap return flights

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Multiple Airlines Logo
23:19 - 07:10SAL-LHR
25h 51m2 stops
Multiple Airlines Logo
09:00 - 14:48LHR-SAL
35h 48m3 stops
£577Multiple Airlines
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Wed, 3 Dec - Wed, 10 Dec
Multiple Airlines Logo
23:19 - 07:10SAL-LHR
25h 51m2 stops
Multiple Airlines Logo
09:00 - 10:53LHR-SAL
31h 53m2 stops
£636Multiple Airlines
Find Deal
Wed, 3 Dec - Wed, 10 Dec
Multiple Airlines Logo
05:30 - 08:15SAL-LHR
20h 45m2 stops
Multiple Airlines Logo
11:15 - 22:19LHR-SAL
17h 04m1 stop
£646Multiple Airlines
Find Deal
Fri, 16 Jan - Mon, 19 Jan
Multiple Airlines Logo
22:40 - 20:10SAL-LHR
15h 30m1 stop
Multiple Airlines Logo
16:35 - 09:55LHR-SAL
23h 20m1 stop
£674Multiple Airlines
Find Deal
Tue, 17 Mar - Sun, 22 Mar
KLM Logo
14:26 - 06:25SAL-LHR
33h 59m1 stop
KLM Logo
10:45 - 13:10LHR-SAL
32h 25m1 stop
£689KLM
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Thu, 13 Nov - Fri, 9 Jan
KLM Logo
13:50 - 13:30SAL-LHR
16h 40m1 stop
KLM Logo
15:15 - 12:35LHR-SAL
28h 20m1 stop
£700KLM
Find Deal
Wed, 1 Apr - Fri, 24 Apr
KLM Logo
14:26 - 14:25SAL-LHR
17h 59m2 stops
KLM Logo
15:50 - 13:11LHR-SAL
27h 21m1 stop
£712KLM
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Fri, 28 Nov - Fri, 5 Dec
United Airlines Logo
06:55 - 10:15SAL-LHR
21h 20m1 stop
United Airlines Logo
13:45 - 05:45LHR-SAL
46h 00m2 stops
£734United Airlines
Find Deal
Fri, 16 Jan - Fri, 30 Jan
United Airlines Logo
16:40 - 10:50SAL-LHR
36h 10m2 stops
United Airlines Logo
16:40 - 04:45LHR-SAL
42h 05m2 stops
£738United Airlines
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Mon, 2 Mar - Tue, 17 Mar
United Airlines Logo
06:55 - 07:55SAL-LHR
19h 00m2 stops
United Airlines Logo
12:00 - 22:47LHR-SAL
16h 47m1 stop
£738United Airlines
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Wed, 3 Dec - Wed, 10 Dec

KLM flights from San Salvador to London Heathrow Airport

Our best KLM deals on San Salvador to London Heathrow Airport flight tickets
KLM
13 Nov
SAL14:26San Salvador El Salvador Intl
33h 59m
1 stop
LHR06:25London Heathrow
9 Jan
LHR10:45London Heathrow
32h 25m
1 stop
SAL13:10San Salvador El Salvador Intl
£689
Find similar
KLM
1 Apr
SAL13:50San Salvador El Salvador Intl
16h 40m
1 stop
LHR13:30London Heathrow
24 Apr
LHR15:15London Heathrow
28h 20m
1 stop
SAL12:35San Salvador El Salvador Intl
£700
Find similar
KLM
28 Nov
SAL14:26San Salvador El Salvador Intl
17h 59m
2 stops
LHR14:25London Heathrow
5 Dec
LHR15:50London Heathrow
27h 21m
1 stop
SAL13:11San Salvador El Salvador Intl
£712
Find similar

United Airlines flights from San Salvador to London Heathrow Airport

Our best United Airlines deals on San Salvador to London Heathrow Airport flight tickets
United Airlines
16 Jan
SAL06:55San Salvador El Salvador Intl
21h 20m
1 stop
LHR10:15London Heathrow
30 Jan
LHR13:45London Heathrow
46h 00m
2 stops
SAL05:45San Salvador El Salvador Intl
£734
Find similar
United Airlines
2 Mar
SAL16:40San Salvador El Salvador Intl
36h 10m
2 stops
LHR10:50London Heathrow
17 Mar
LHR16:40London Heathrow
42h 05m
2 stops
SAL04:45San Salvador El Salvador Intl
£738
Find similar
United Airlines
3 Dec
SAL06:55San Salvador El Salvador Intl
19h 00m
2 stops
LHR07:55London Heathrow
10 Dec
LHR12:00London Heathrow
16h 47m
1 stop
SAL22:47San Salvador El Salvador Intl
£738
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from San Salvador 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 4 November 2025.
Use the filters below to find and compare flights from San Salvador to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Wed 3/12

23:19-07:10

2 stops25h 51m

London Heathrow

Wed 10/12

09:00-14:48

3 stops35h 48m

£577

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Wed 3/12

23:19-07:10

2 stops25h 51m

London Heathrow

Wed 10/12

09:00-10:53

2 stops31h 53m

£636

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Fri 16/1

05:30-08:15

2 stops20h 45m

London Heathrow

Mon 19/1

11:15-22:19

1 stop17h 04m

£646

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Tue 17/3

22:40-20:10

1 stop15h 30m

London Heathrow

Sun 22/3

16:35-09:55

1 stop23h 20m

£674

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Thu 13/11

14:26-06:25

1 stop33h 59m

London Heathrow

Fri 9/1

10:45-13:10

1 stop32h 25m

£689

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Wed 1/4

13:50-13:30

1 stop16h 40m

London Heathrow

Fri 24/4

15:15-12:35

1 stop28h 20m

£700

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Fri 28/11

14:26-14:25

2 stops17h 59m

London Heathrow

Fri 5/12

15:50-13:11

1 stop27h 21m

£712

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Fri 16/1

06:55-10:15

1 stop21h 20m

London Heathrow

Fri 30/1

13:45-05:45

2 stops46h 00m

£734

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Mon 2/3

16:40-10:50

2 stops36h 10m

London Heathrow

Tue 17/3

16:40-04:45

2 stops42h 05m

£738

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Wed 3/12

06:55-07:55

2 stops19h 00m

London Heathrow

Wed 10/12

12:00-22:47

1 stop16h 47m

£738

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from San Salvador 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, February is the cheapest month to fly from San Salvador to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £607. The month of January is another great option to travel to London Heathrow Airport, with average flight prices from San Salvador averaging around £642.

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 San Salvador is on a Sunday. momondo users have found tickets for Sunday departures for as low as £634. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Saturday is £1,098.

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 at midday. momondo users have found flights departing from San Salvador to London Heathrow Airport at midday for as low as £631. 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 in the afternoon when prices are £1,143 on average. Flights to London Heathrow Airport from San Salvador in the afternoon are generally more expensive because this time of day is more convenient for travellers’ schedules.

When to book flights from San Salvador to London Heathrow Airport

Are you open to changing your travel dates? Check out the ideal times to fly from San Salvador to London Heathrow Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap San Salvador to London Heathrow Airport (SAL to LHR) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Salvador to London Heathrow Airport

Direct flights

None
There are no direct flights from San Salvador to London Heathrow Airport. There are no popular flight routes from San Salvador to London Heathrow Airport.
Search flight deals

  • How far is San Salvador El Salvador Intl to London Heathrow by plane?

    The distance between San Salvador El Salvador Intl and London Heathrow is about 5424.0 mi. By plane, this route typically takes 14h 25m.

  • When did momondo last update prices for flights from San Salvador El Salvador Intl Airport to London Heathrow Airport?

    Prices for flights from San Salvador El Salvador Intl Airport to London Heathrow Airport are updated daily.

  • How many operators does momondo search for flights from San Salvador El Salvador Intl Airport to London Heathrow Airport?

  • How old do you have to be to fly from San Salvador El Salvador Intl Airport to London Heathrow Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from San Salvador El Salvador Intl Airport to London Heathrow Airport.

  • What documentation or ID do you need to fly to London Heathrow Airport?

    The necessary travel and health documents for your London Heathrow Airport 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 San Salvador to London Heathrow Airport?

Best airlines flying from San Salvador to London Heathrow Airport

Compare and see reviews for airlines that fly from San Salvador to London Heathrow Airport with momondo
Airline
Rating
Free Cancellation
Price
IberiaPriceFrom £805Free CancellationRating
7.0
3,006 reviews
Search Iberia flights

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Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to London from San Salvador.

Can I find flights from San Salvador to London with flexible booking policies on momondo?

Yes. All flights to London from San Salvador on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from San Salvador 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 San Salvador to London.

I’m not ready to book a flight from San Salvador to London right now. Can momondo alert me if prices change?

Price alerts on flights to London from San Salvador 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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