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Cheap flights from London Heathrow Airport to San Salvador from £257

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to San Salvador departing on 31/1. 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
0 bags

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Find the cheapest flights from London Heathrow Airport to San Salvador

Cheap return flights

Multiple Airlines Logo
20:00 - 20:05LHR-SAL
30h 05m1 stop
Multiple Airlines Logo
22:40 - 06:50SAL-LHR
26h 10m2 stops
£469Multiple Airlines
Find Deal
Mon, 27 Oct - Mon, 3 Nov
Multiple Airlines Logo
20:00 - 20:05LHR-SAL
30h 05m1 stop
Multiple Airlines Logo
22:40 - 06:20SAL-LHR
25h 40m1 stop
£471Multiple Airlines
Find Deal
Mon, 27 Oct - Mon, 3 Nov
Multiple Airlines Logo
08:55 - 20:05LHR-SAL
17h 10m1 stop
Multiple Airlines Logo
22:40 - 06:50SAL-LHR
26h 10m2 stops
£473Multiple Airlines
Find Deal
Tue, 28 Oct - Mon, 3 Nov
Multiple Airlines Logo
16:35 - 06:30LHR-SAL
19h 55m1 stop
Multiple Airlines Logo
22:40 - 20:10SAL-LHR
15h 30m1 stop
£474Multiple Airlines
Find Deal
Mon, 10 Nov - Sat, 22 Nov
Avianca Logo
22:05 - 06:00LHR-SAL
14h 55m1 stop
Avianca Logo
09:25 - 15:35SAL-LHR
23h 10m1 stop
£561Avianca
Find Deal
Tue, 14 Oct - Tue, 21 Oct
Avianca Logo
21:40 - 15:40LHR-SAL
24h 00m1 stop
Avianca Logo
12:05 - 14:35SAL-LHR
20h 30m1 stop
£569Avianca
Find Deal
Tue, 28 Oct - Mon, 3 Nov
United Airlines Logo
06:30 - 21:47LHR-SAL
21h 17m2 stops
United Airlines Logo
16:40 - 07:30SAL-LHR
32h 50m1 stop
£598United Airlines
Find Deal
Tue, 28 Oct - Wed, 5 Nov
United Airlines Logo
06:30 - 22:47LHR-SAL
22h 17m2 stops
United Airlines Logo
02:30 - 06:40SAL-LHR
22h 10m2 stops
£598United Airlines
Find Deal
Mon, 16 Feb - Fri, 27 Feb
American Airlines Logo
06:00 - 19:20LHR-SAL
19h 20m2 stops
American Airlines Logo
13:10 - 09:25SAL-LHR
13h 15m1 stop
£602American Airlines
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Tue, 3 Mar - Sun, 29 Mar
American Airlines Logo
06:15 - 19:20LHR-SAL
19h 05m2 stops
American Airlines Logo
14:40 - 08:15SAL-LHR
35h 35m1 stop
£604American Airlines
Find Deal
Thu, 5 Mar - Thu, 26 Mar

United Airlines flights from London Heathrow Airport to San Salvador

Our best United Airlines deals on London Heathrow Airport to San Salvador flight tickets
United Airlines
28 Oct
LHR06:30London Heathrow
21h 17m
2 stops
SAL21:47San Salvador El Salvador Intl
5 Nov
SAL16:40San Salvador El Salvador Intl
32h 50m
1 stop
LHR07:30London Heathrow
£598
Find similar
United Airlines
16 Feb
LHR06:30London Heathrow
22h 17m
2 stops
SAL22:47San Salvador El Salvador Intl
27 Feb
SAL02:30San Salvador El Salvador Intl
22h 10m
2 stops
LHR06:40London Heathrow
£598
Find similar
United Airlines
25 Oct
LHR13:05London Heathrow
22h 40m
1 stop
SAL04:45San Salvador El Salvador Intl
18 Nov
SAL23:54San Salvador El Salvador Intl
15h 26m
1 stop
LHR21:20London Heathrow
£620
Find similar

Avianca flights from London Heathrow Airport to San Salvador

Our best Avianca deals on London Heathrow Airport to San Salvador flight tickets
Avianca
23 Sept
LHR22:05London Heathrow
18h 10m
1 stop
SAL09:15San Salvador El Salvador Intl
16 Oct
SAL10:15San Salvador El Salvador Intl
22h 20m
1 stop
LHR15:35London Heathrow
£560
Find similar
Avianca
14 Oct
LHR22:05London Heathrow
14h 55m
1 stop
SAL06:00San Salvador El Salvador Intl
21 Oct
SAL09:25San Salvador El Salvador Intl
23h 10m
1 stop
LHR15:35London Heathrow
£561
Find similar
Avianca
28 Oct
LHR21:40London Heathrow
24h 00m
1 stop
SAL15:40San Salvador El Salvador Intl
3 Nov
SAL12:05San Salvador El Salvador Intl
20h 30m
1 stop
LHR14:35London Heathrow
£569
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from London Heathrow Airport to San Salvador 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 17 September 2025.
Use the filters below to find and compare flights from London Heathrow Airport to San Salvador that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Mon 27/10

20:00-20:05

1 stop30h 05m

San Salvador El Salvador Intl

Mon 3/11

22:40-06:50

2 stops26h 10m

£469

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Mon 27/10

20:00-20:05

1 stop30h 05m

San Salvador El Salvador Intl

Mon 3/11

22:40-06:20

1 stop25h 40m

£471

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Tue 28/10

08:55-20:05

1 stop17h 10m

San Salvador El Salvador Intl

Mon 3/11

22:40-06:50

2 stops26h 10m

£473

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Mon 10/11

16:35-06:30

1 stop19h 55m

San Salvador El Salvador Intl

Sat 22/11

22:40-20:10

1 stop15h 30m

£474

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Tue 14/10

22:05-06:00

1 stop14h 55m

San Salvador El Salvador Intl

Tue 21/10

09:25-15:35

1 stop23h 10m

£561

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Tue 28/10

21:40-15:40

1 stop24h 00m

San Salvador El Salvador Intl

Mon 3/11

12:05-14:35

1 stop20h 30m

£569

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Tue 28/10

06:30-21:47

2 stops21h 17m

San Salvador El Salvador Intl

Wed 5/11

16:40-07:30

1 stop32h 50m

£598

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Mon 16/2

06:30-22:47

2 stops22h 17m

San Salvador El Salvador Intl

Fri 27/2

02:30-06:40

2 stops22h 10m

£598

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Tue 3/3

06:00-19:20

2 stops19h 20m

San Salvador El Salvador Intl

Sun 29/3

13:10-09:25

1 stop13h 15m

£602

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Thu 5/3

06:15-19:20

2 stops19h 05m

San Salvador El Salvador Intl

Thu 26/3

14:40-08:15

1 stop35h 35m

£604

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 San Salvador from

How to get the cheapest flight ticket from London Heathrow Airport to San Salvador

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 London Heathrow Airport and San Salvador?

What is the cheapest month to fly to San Salvador?

The cheapest month to fly to San Salvador from London Heathrow Airport is in March. Flight prices, which tend to average around £559, are often lower during this time because this is during the off-season. If you aren’t able to travel to San Salvador during the month of March, then flying in September is also cheap. Prices for this month can be found on momondo for an average of £584.

What is the cheapest day to depart on your flight to San Salvador?

The cheapest day to depart from London Heathrow Airport to San Salvador is on a Wednesday. Travellers who choose to depart for San Salvador on a Wednesday will often find tickets for as low as £567. 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 San Salvador on Thursday is £608.

What is the cheapest time of day to depart on your flight to San Salvador?

The cheapest time of day to fly to San Salvador is at midday when flights can be purchased for as low as £568. Flights in the evening are often more expensive, with an average ticket price of £775.

How far in advance should I book a flight to San Salvador?

You are more likely to see cheaper flights to San Salvador from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to San Salvador for around £630 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Salvador from London Heathrow Airport for as low as £557 on momondo.

When to book flights from London Heathrow Airport to San Salvador

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

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

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

Direct flights

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

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

    The distance between London Heathrow and San Salvador El Salvador Intl is about 5424.0 mi. A reasonable flight in good conditions will take 14h 55m.

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

    Prices for flights from London Heathrow Airport to San Salvador El Salvador Intl Airport were last updated today.

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from London Heathrow Airport to San Salvador El Salvador Intl Airport.

  • What documentation or ID do you need to fly to San Salvador El Salvador Intl Airport?

    The travel and health documents required for your trip to San Salvador El Salvador Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at San Salvador El Salvador Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from London Heathrow Airport to San Salvador?

Best airlines flying from London Heathrow Airport to San Salvador

Compare and see reviews for airlines that fly from London Heathrow Airport to San Salvador with momondo
Airline
Rating
Free Cancellation
Price
AviancaPriceFrom £484Free CancellationRating
6.7
2,435 reviews
Search Avianca flights
KLMPriceFrom £510Free CancellationRating
7.8
1,386 reviews
Search KLM flights
LufthansaPriceFrom £545Free CancellationRating
6.8
7,407 reviews
Search Lufthansa flights
United AirlinesPriceFrom £545Free CancellationRating
7.4
8,924 reviews
Search United Airlines flights
Air CanadaPriceFrom £566Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights

Travelling to a place near San Salvador?

Book flights to San Salvador if you plan to visit one of these locations
La Libertad
Sonsonate

Why use momondo?

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

It is quick and easy to find London to San Salvador flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to San Salvador that suits you.

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

momondo does allow users to show only those flights to San Salvador from London which offer a flexible booking policy as well as other useful filters and features.

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

momondo provides multiple filters to help you find the best flight to San Salvador from London. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes. momondo can track prices for London to San Salvador flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Fly your favourite airline to San Salvador

Airlines are sorted and displayed according to clicks in the past 7 days on momondo
British Airways
Ryanair
easyJet
Turkish Airlines
Qatar Airways
Emirates
Etihad Airways
Lufthansa
Virgin Atlantic
Pegasus Airlines
KLM
Air India