Cheap flights from London Heathrow Airport to El Salvador from £312

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 10/5. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SAL
10 Apr — 17 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 11 March 2026.

Sat 7/321:40
LHR
-
SAL
1 stop19h 25m
Avianca
Thu 7/508:05
SAL
-
LHR
1 stop24h 30m
Avianca
Deal found 6/3£577
Tue 26/522:05
LHR
-
SAL
1 stop15h 25m
Avianca
Mon 1/622:05
SAL
-
LHR
1 stop34h 30m
Avianca
Deal found 9/3£593
Sat 25/422:05
LHR
-
SAL
1 stop20h 00m
Avianca
Sun 31/523:20
SAL
-
LHR
2 stops33h 15m
Avianca
Deal found 6/3£606
Tue 5/522:05
LHR
-
SAL
1 stop20h 00m
Avianca
Sat 23/508:05
SAL
-
LHR
1 stop24h 30m
Avianca
Deal found 6/3£606

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 11 March 2026.

Round-trip from

£593

One-way from

£312

Popular in

December

Cheapest in

September

Average price

£600
Avianca
  • Avianca
  • 26/5-1/6
  • 2 total stops
  • 49h 55m total
  • London to El Salvador
Avianca
  • Avianca
  • 10/5
  • 1 total stop
  • 24h 35m total
  • London to El Salvador
Highest demand for flights based on searches. 8% 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 11 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

Tue 5/5

22:05-21:05

2 stops30h 00m

San Salvador El Salvador Intl

Sat 23/5

08:15-15:35

2 stops24h 20m

£613

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Thu 14/5

22:05-15:40

1 stop24h 35m

San Salvador El Salvador Intl

Mon 18/5

12:05-15:35

1 stop20h 30m

£642

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Tue 7/4

07:25-20:49

2 stops20h 24m

San Salvador El Salvador Intl

Tue 14/4

06:00-11:55

2 stops22h 55m

£644

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Mon 11/5

07:25-20:49

2 stops20h 24m

San Salvador El Salvador Intl

Sun 17/5

02:00-09:40

2 stops24h 40m

£644

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Thu 14/5

16:25-04:50

2 stops43h 25m

San Salvador El Salvador Intl

Sun 17/5

02:00-10:10

1 stop25h 10m

£655

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Wed 25/3

12:05-14:24

2 stops32h 19m

San Salvador El Salvador Intl

Wed 8/4

06:00-12:35

2 stops23h 35m

£657

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Mon 30/3

10:00-20:49

1 stop17h 49m

San Salvador El Salvador Intl

Sat 11/4

15:40-06:45

2 stops32h 05m

£658

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Mon 27/7

14:50-12:15

2 stops28h 25m

San Salvador El Salvador Intl

Wed 5/8

06:00-11:35

1 stop22h 35m

£668
Fastest return journey

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Sat 23/5

08:00-20:49

2 stops19h 49m

San Salvador El Salvador Intl

Fri 29/5

01:15-07:15

2 stops23h 00m

£670
Cheapest one-way
Fastest single journey

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Tue 7/4

22:05-06:30

1 stop15h 25m

£352

Flights are sorted by cheapest return flights first.

Deals found on 10/3

Showing 1-10 of 16 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 £504). Flying from London Heathrow Airport to El Salvador in December is currently the most expensive (average of £623). 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 11 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.

Entertainment

7.1

Overall

7.8

Comfort

7.6

Food

7.3

Crew

8.4

Boarding

7.8

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

Entertainment

7.1

Overall

7.8

Comfort

7.6

Food

7.3

Crew

8.4

Boarding

7.8

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

Entertainment

7.1

Overall

7.8

Comfort

7.6

Food

7.3

Crew

8.4

Boarding

7.8

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

Entertainment

7.1

Overall

7.8

Comfort

7.6

Food

7.3

Crew

8.4

Boarding

7.8

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

Entertainment

7.1

Overall

7.8

Comfort

7.6

Food

7.3

Crew

8.4

Boarding

7.8

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

Entertainment

7.1

Overall

7.8

Comfort

7.6

Food

7.3

Crew

8.4

Boarding

7.8

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 20h 24m. 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 £504). Flying from London Heathrow Airport to El Salvador in December is currently the most expensive (average of £623). 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 11 March 2026.
AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest£502Average£580FlexibilityNo cancel feeOn-time71%
Search Avianca flights
United AirlinesCheapest£545Average£672FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
KLMCheapest£572Average£636FlexibilityNo cancel feeOn-time75%
Search KLM flights
LufthansaCheapest£588Average£634FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air CanadaCheapest£600Average£786FlexibilityNo 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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