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Cheap flights from London Heathrow Airport to San Salvador from £297

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 15/4. 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

Enter your travel dates to find the best prices.
Multiple Airlines Logo
07:05 - 10:23
LHR
-
SAL
34h 18m
2 stops
Multiple Airlines Logo
22:49 - 19:55
SAL
-
LHR
38h 06m
2 stops
£570Multiple Airlines
Wed, 15 Apr - Wed, 22 Apr
Avianca Logo
22:05 - 15:40
LHR
-
SAL
24h 35m
1 stop
Avianca Logo
12:05 - 15:35
SAL
-
LHR
20h 30m
1 stop
£612Avianca
Tue, 21 Apr - Thu, 30 Apr
Avianca Logo
22:05 - 06:10
LHR
-
SAL
39h 05m
2 stops
Avianca Logo
12:05 - 15:35
SAL
-
LHR
20h 30m
1 stop
£614Avianca
Tue, 21 Apr - Thu, 30 Apr
Avianca Logo
22:05 - 06:30
LHR
-
SAL
15h 25m
1 stop
Avianca Logo
23:20 - 15:35
SAL
-
LHR
33h 15m
2 stops
£616Avianca
Sat, 25 Apr - Sun, 31 May
Lufthansa Logo
06:55 - 20:49
LHR
-
SAL
20h 54m
2 stops
Lufthansa Logo
15:40 - 06:45
SAL
-
LHR
32h 05m
2 stops
£617Lufthansa
Thu, 16 Apr - Thu, 23 Apr
Lufthansa Logo
06:55 - 20:49
LHR
-
SAL
20h 54m
2 stops
Lufthansa Logo
13:50 - 11:35
SAL
-
LHR
14h 45m
1 stop
£617Lufthansa
Wed, 15 Apr - Wed, 22 Apr
Avianca Logo
22:05 - 16:30
LHR
-
SAL
25h 25m
2 stops
Avianca Logo
22:20 - 15:35
SAL
-
LHR
34h 15m
2 stops
£618Avianca
Sat, 25 Apr - Sun, 31 May
Avianca Logo
22:05 - 16:30
LHR
-
SAL
25h 25m
2 stops
Avianca Logo
22:20 - 15:35
SAL
-
LHR
34h 15m
2 stops
£619Avianca
Sat, 25 Apr - Sun, 31 May
United Airlines Logo
06:55 - 20:49
LHR
-
SAL
20h 54m
2 stops
United Airlines Logo
06:00 - 12:20
SAL
-
LHR
23h 20m
2 stops
£620United Airlines
Tue, 21 Apr - Thu, 30 Apr
United Airlines Logo
06:55 - 20:49
LHR
-
SAL
20h 54m
2 stops
United Airlines Logo
06:00 - 07:40
SAL
-
LHR
18h 40m
1 stop
£623United Airlines
Mon, 20 Apr - Mon, 4 May

Avianca flights from London Heathrow Airport to San Salvador

Our best Avianca deals on London Heathrow Airport to San Salvador flight tickets
Avianca
9 Mar
LHR21:40London Heathrow
24h 00m
1 stop
SAL15:40San Salvador El Salvador Intl
16 Mar
SAL22:05San Salvador El Salvador Intl
34h 30m
1 stop
LHR14:35London Heathrow
£599
Avianca
9 Mar
LHR21:40London Heathrow
19h 25m
1 stop
SAL11:05San Salvador El Salvador Intl
18 Mar
SAL08:00San Salvador El Salvador Intl
24h 35m
1 stop
LHR14:35London Heathrow
£600
Avianca
9 Mar
LHR21:40London Heathrow
24h 00m
1 stop
SAL15:40San Salvador El Salvador Intl
18 Mar
SAL08:10San Salvador El Salvador Intl
24h 25m
2 stops
LHR14:35London Heathrow
£602

Lufthansa flights from London Heathrow Airport to San Salvador

Our best Lufthansa deals on London Heathrow Airport to San Salvador flight tickets
Lufthansa
16 Apr
LHR06:55London Heathrow
20h 54m
2 stops
SAL20:49San Salvador El Salvador Intl
23 Apr
SAL15:40San Salvador El Salvador Intl
32h 05m
2 stops
LHR06:45London Heathrow
£617
Lufthansa
15 Apr
LHR06:55London Heathrow
20h 54m
2 stops
SAL20:49San Salvador El Salvador Intl
22 Apr
SAL13:50San Salvador El Salvador Intl
14h 45m
1 stop
LHR11:35London Heathrow
£617
Lufthansa
13 Mar
LHR10:00London Heathrow
16h 19m
1 stop
SAL20:19San Salvador El Salvador Intl
16 Aug
SAL13:50San Salvador El Salvador Intl
14h 45m
1 stop
LHR11:35London Heathrow
£623

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 4 March 2026.
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

Wed 15/4

07:05-10:23

2 stops34h 18m

San Salvador El Salvador Intl

Wed 22/4

22:49-19:55

2 stops38h 06m

£570

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Tue 21/4

22:05-15:40

1 stop24h 35m

San Salvador El Salvador Intl

Thu 30/4

12:05-15:35

1 stop20h 30m

£612

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Tue 21/4

22:05-06:10

2 stops39h 05m

San Salvador El Salvador Intl

Thu 30/4

12:05-15:35

1 stop20h 30m

£614

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Sat 25/4

22:05-06:30

1 stop15h 25m

San Salvador El Salvador Intl

Sun 31/5

23:20-15:35

2 stops33h 15m

£616

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Thu 16/4

06:55-20:49

2 stops20h 54m

San Salvador El Salvador Intl

Thu 23/4

15:40-06:45

2 stops32h 05m

£617

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Wed 15/4

06:55-20:49

2 stops20h 54m

San Salvador El Salvador Intl

Wed 22/4

13:50-11:35

1 stop14h 45m

£617

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Sat 25/4

22:05-16:30

2 stops25h 25m

San Salvador El Salvador Intl

Sun 31/5

22:20-15:35

2 stops34h 15m

£618

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Sat 25/4

22:05-16:30

2 stops25h 25m

San Salvador El Salvador Intl

Sun 31/5

22:20-15:35

2 stops34h 15m

£619

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Tue 21/4

06:55-20:49

2 stops20h 54m

San Salvador El Salvador Intl

Thu 30/4

06:00-12:20

2 stops23h 20m

£620

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Mon 20/4

06:55-20:49

2 stops20h 54m

San Salvador El Salvador Intl

Mon 4/5

06:00-07:40

1 stop18h 40m

£623

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 September. Flight prices, which tend to average around £597, 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 September, then flying in October is also cheap. Prices for this month can be found on momondo for an average of £605.

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 £645 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 £572 on momondo.

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

You could potentially save up to 2% on your flight if you consider stops on a London Heathrow Airport to San Salvador flight.

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

Fastest flight time

18h 19m

Direct flights

None
The fastest flight from London Heathrow Airport to San Salvador takes 18h 19m
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 18h 19m.

  • 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 £505Free CancellationRating
6.5
2,494 reviews
Search Avianca flights
United AirlinesPriceFrom £548Free CancellationRating
7.4
9,383 reviews
Search United Airlines flights
KLMPriceFrom £575Free CancellationRating
7.8
1,463 reviews
Search KLM flights
LufthansaPriceFrom £592Free CancellationRating
6.8
7,823 reviews
Search Lufthansa flights
Air CanadaPriceFrom £604Free CancellationRating
7.1
10,775 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
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
Lufthansa
Air Canada
United Airlines
Avianca
KLM