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Cheap flights from San Salvador to London from £392

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 20/6. 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

Enter your travel dates to find the best prices.
Multiple Airlines Logo
22:35 - 22:00
SAL
-
LHR
40h 25m
2 stops
Multiple Airlines Logo
11:20 - 09:55
LHR
-
SAL
29h 35m
2 stops
£665Multiple Airlines
Sun, 3 May - Sun, 10 May
KLM Logo
14:04 - 11:20
SAL
-
LHR
14h 16m
1 stop
KLM Logo
15:15 - 12:39
LHR
-
SAL
28h 24m
1 stop
£720KLM
Mon, 20 Apr - Tue, 28 Apr
KLM Logo
14:04 - 11:20
SAL
-
LHR
14h 16m
1 stop
KLM Logo
09:20 - 12:39
LHR
-
SAL
34h 19m
1 stop
£721KLM
Mon, 20 Apr - Tue, 28 Apr
KLM Logo
14:04 - 06:25
SAL
-
LHR
33h 21m
1 stop
KLM Logo
09:20 - 12:39
LHR
-
SAL
34h 19m
1 stop
£722KLM
Mon, 20 Apr - Tue, 28 Apr
KLM Logo
14:04 - 11:20
SAL
-
LHR
14h 16m
1 stop
KLM Logo
11:15 - 12:39
LHR
-
SAL
32h 24m
1 stop
£722KLM
Mon, 20 Apr - Tue, 28 Apr
Multiple Airlines Logo
22:35 - 08:05
SAL
-
LHR
26h 30m
2 stops
Multiple Airlines Logo
22:05 - 06:30
LHR
-
SAL
15h 25m
1 stop
£728Multiple Airlines
Mon, 11 May - Mon, 1 Jun
KLM Logo
14:04 - 06:25
SAL
-
LHR
33h 21m
1 stop
KLM Logo
15:15 - 12:39
LHR
-
SAL
28h 24m
1 stop
£729KLM
Tue, 14 Apr - Wed, 22 Apr
KLM Logo
13:37 - 13:15
SAL
-
LHR
16h 38m
1 stop
KLM Logo
09:20 - 12:22
LHR
-
SAL
34h 02m
1 stop
£735KLM
Sat, 12 Sep - Sun, 27 Sep
KLM Logo
13:37 - 13:15
SAL
-
LHR
16h 38m
1 stop
KLM Logo
09:20 - 12:22
LHR
-
SAL
34h 02m
1 stop
£736KLM
Mon, 14 Sep - Wed, 23 Sep
KLM Logo
13:37 - 13:15
SAL
-
LHR
16h 38m
1 stop
KLM Logo
09:20 - 12:22
LHR
-
SAL
34h 02m
1 stop
£737KLM
Mon, 14 Sep - Wed, 23 Sep

KLM flights from San Salvador to London Heathrow Airport

Our best KLM deals on San Salvador to London Heathrow Airport flight tickets
KLM
24 Mar
SAL14:13San Salvador El Salvador Intl
15h 27m
1 stop
LHR11:40London Heathrow
18 Apr
LHR09:20London Heathrow
34h 19m
1 stop
SAL12:39San Salvador El Salvador Intl
£720
KLM
20 Apr
SAL14:04San Salvador El Salvador Intl
14h 16m
1 stop
LHR11:20London Heathrow
28 Apr
LHR09:20London Heathrow
34h 19m
1 stop
SAL12:39San Salvador El Salvador Intl
£721
KLM
20 Apr
SAL14:04San Salvador El Salvador Intl
16h 11m
1 stop
LHR13:15London Heathrow
28 Apr
LHR09:20London Heathrow
34h 19m
1 stop
SAL12:39San Salvador El Salvador Intl
£722

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
6 May
SAL06:00San Salvador El Salvador Intl
28h 05m
2 stops
LHR17:05London Heathrow
8 May
LHR13:05London Heathrow
22h 45m
1 stop
SAL04:50San Salvador El Salvador Intl
£749
United Airlines
5 Sept
SAL06:00San Salvador El Salvador Intl
18h 40m
1 stop
LHR07:40London Heathrow
14 Sept
LHR07:25London Heathrow
20h 24m
2 stops
SAL20:49San Salvador El Salvador Intl
£816
United Airlines
20 Aug
SAL13:50San Salvador El Salvador Intl
34h 05m
2 stops
LHR06:55London Heathrow
20 Sept
LHR12:10London Heathrow
47h 40m
2 stops
SAL04:50San Salvador El Salvador Intl
£821

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 20 March 2026.
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

Cheapest return flight

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Sun 3/5

22:35-22:00

2 stops40h 25m

London Heathrow

Sun 10/5

11:20-09:55

2 stops29h 35m

£665

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Mon 20/4

14:04-11:20

1 stop14h 16m

London Heathrow

Tue 28/4

15:15-12:39

1 stop28h 24m

£720

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Mon 20/4

14:04-11:20

1 stop14h 16m

London Heathrow

Tue 28/4

09:20-12:39

1 stop34h 19m

£721

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Mon 20/4

14:04-06:25

1 stop33h 21m

London Heathrow

Tue 28/4

09:20-12:39

1 stop34h 19m

£722

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Mon 20/4

14:04-11:20

1 stop14h 16m

London Heathrow

Tue 28/4

11:15-12:39

1 stop32h 24m

£722
Fastest return journey

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Mon 11/5

22:35-08:05

2 stops26h 30m

London Heathrow

Mon 1/6

22:05-06:30

1 stop15h 25m

£728

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Tue 14/4

14:04-06:25

1 stop33h 21m

London Heathrow

Wed 22/4

15:15-12:39

1 stop28h 24m

£729

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Sat 12/9

13:37-13:15

1 stop16h 38m

London Heathrow

Sun 27/9

09:20-12:22

1 stop34h 02m

£735

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Mon 14/9

13:37-13:15

1 stop16h 38m

London Heathrow

Wed 23/9

09:20-12:22

1 stop34h 02m

£736

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Mon 14/9

13:37-13:15

1 stop16h 38m

London Heathrow

Wed 23/9

09:20-12:22

1 stop34h 02m

£737

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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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

Can stopping save me money on San Salvador to London Heathrow Airport flights?

You could potentially save up to 10% on your flight if you consider stops on a San Salvador to London Heathrow Airport flight.

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

Fastest flight time

14h 16m

Direct flights

None
The fastest flight from San Salvador to London Heathrow Airport takes 14h 16m
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 16m.

  • 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 £793Free CancellationRating
7.0
3,145 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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