Cheap flights from London Heathrow Airport to El Salvador from £324

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 18/4. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SAL
21 Apr — 28 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to El Salvador

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to El Salvador
Explore the most affordable flight options available from Heathrow to El Salvador. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 March 2026.

Wed 15/422:05
LHR
-
SAL
1 stop24h 35m
Avianca
Tue 19/522:20
SAL
-
LHR
2 stops34h 15m
Avianca
Deal found 18/3£550
Tue 5/522:05
LHR
-
SAL
1 stop20h 00m
Avianca
Sat 23/508:05
SAL
-
LHR
1 stop24h 30m
Avianca
Deal found 19/3£576
Wed 6/522:05
LHR
-
SAL
1 stop20h 00m
Avianca
Wed 13/508:15
SAL
-
LHR
2 stops24h 20m
Avianca
Deal found 22/3£581

Find flight deals from Heathrow to El Salvador

Keep the following information in mind while searching for Heathrow to El Salvador flight deals. Data was last updated 22 March 2026.

Round-trip from

£550

One-way from

£324

Popular in

December

Cheapest in

September

Average price

£610
Avianca
  • Avianca
  • 15/4-19/5
  • 3 total stops
  • 58h 50m total
  • London to El Salvador
Avianca
  • Avianca
  • 18/4
  • 1 total stop
  • 24h 35m total
  • London to El Salvador
Highest demand for flights based on searches. 7% potential increase in price (£41 potential increase over avg. return price).
Cheapest flight prices on average. 1% potential price decrease (£8 potential savings vs. average return price).
Average for round-trip flights in March 2026

Cheapflights Fare Finder

 
Customise your flight search to find flights from Heathrow to El 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, Cheapflights users made 858,174 searches. Data last updated 22 March 2026.
Use the filters below to find and compare flights from London Heathrow Airport to El Salvador that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Sun 19/4

22:05-06:30

1 stop15h 25m

San Salvador El Salvador Intl

Mon 27/4

22:05-15:35

1 stop34h 30m

£664

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Sun 19/4

22:05-06:30

1 stop15h 25m

San Salvador El Salvador Intl

Sat 25/4

08:05-15:35

1 stop24h 30m

£664

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Sun 19/4

07:25-12:15

2 stops35h 50m

San Salvador El Salvador Intl

Sun 26/4

15:40-06:45

2 stops32h 05m

£670

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Fri 17/4

07:25-20:49

2 stops20h 24m

San Salvador El Salvador Intl

Mon 20/4

15:40-07:55

1 stop33h 15m

£670

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Thu 16/4

06:55-20:49

2 stops20h 54m

San Salvador El Salvador Intl

Thu 30/4

06:00-10:40

2 stops21h 40m

£671

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Fri 1/5

07:25-14:30

2 stops38h 05m

San Salvador El Salvador Intl

Sat 16/5

02:00-10:10

1 stop25h 10m

£672

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Fri 17/4

16:20-12:39

2 stops27h 19m

San Salvador El Salvador Intl

Fri 1/5

14:04-14:35

2 stops17h 31m

£694
Fastest return journey

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Sun 19/4

10:00-20:49

1 stop17h 49m

San Salvador El Salvador Intl

Mon 27/4

13:50-11:35

1 stop14h 45m

£695

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Thu 13/8

16:40-12:15

2 stops26h 35m

San Salvador El Salvador Intl

Sat 29/8

06:00-09:40

2 stops20h 40m

£695

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Fri 17/4

10:00-20:49

1 stop17h 49m

San Salvador El Salvador Intl

Sat 2/5

06:00-07:55

1 stop18h 55m

£695

Flights are sorted by cheapest return flights first.

Deals found on 22/3

Showing 1-10 of 19 resultsSorted by cheapest first
1
2

Best time to book a flight from Heathrow to El Salvador

Have a flexible travel schedule? Discover the best time to fly to El Salvador from Heathrow with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from London Heathrow Airport to El Salvador

What is the cheapest month to book a flight from London Heathrow Airport to El Salvador?

Currently, March is the cheapest month in which you can book a flight from London Heathrow Airport to El Salvador (average of £507). Flying from London Heathrow Airport to El Salvador in December is currently the most expensive (average of £627). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing El Salvador

Get insights into the airlines that provide service to El Salvador. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to El Salvador. Reviews last updated 22 March 2026.
See what other customers who have flown with KLM,United Airlines, andAir Canada from London Heathrow Airport to El Salvador have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.4

Comfort

7.6

Entertainment

7.1

Overall

7.8

Boarding

7.8

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

Crew

8.4

Comfort

7.6

Entertainment

7.1

Overall

7.8

Boarding

7.8

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

Crew

8.4

Comfort

7.6

Entertainment

7.1

Overall

7.8

Boarding

7.8

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

Crew

8.4

Comfort

7.6

Entertainment

7.1

Overall

7.8

Boarding

7.8

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

Crew

8.4

Comfort

7.6

Entertainment

7.1

Overall

7.8

Boarding

7.8

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

Crew

8.4

Comfort

7.6

Entertainment

7.1

Overall

7.8

Boarding

7.8

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

Related info for your journey

Find useful and relevant information for your journey from Heathrow to El Salvador. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • How long is the flight from London Heathrow Airport to El Salvador?

    There are many flights that can get you from London Heathrow Airport to El Salvador in 15h 25m. Fly via Avianca or United Airlines to get the fastest option. The distance from London Heathrow Airport to El Salvador is about 5431 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • Can I find deals for flights from Heathrow to El Salvador that include hotel bookings?

    Yes. In addition to deals on Heathrow to El Salvador flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Heathrow to El Salvador?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to El Salvador.

  • Can I find deals for business class flights from Heathrow to El Salvador?

    Yes. Cheapflights offers flight deals from Heathrow to El Salvador by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from London Heathrow Airport to El Salvador?

    Currently, March is the cheapest month in which you can book a flight from London Heathrow Airport to El Salvador (average of £507). Flying from London Heathrow Airport to El Salvador in December is currently the most expensive (average of £627). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top 5 airlines flying from Heathrow to El Salvador

Discover the top 5 airlines that operate flights from Heathrow to El Salvador. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 22 March 2026.
AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest£506Average£584FlexibilityNo cancel feeOn-time71%
Search Avianca flights
United AirlinesCheapest£548Average£676FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
KLMCheapest£576Average£640FlexibilityNo cancel feeOn-time75%
Search KLM flights
LufthansaCheapest£597Average£639FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air CanadaCheapest£604Average£791FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Heathrow to El Salvador?

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Why should you use Cheapflights to find cheap flight tickets from Heathrow to El Salvador?

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Can Cheapflights find flights from Heathrow to El Salvador with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Heathrow to El Salvador flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Heathrow to El Salvador become cheaper?

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