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Cheap flights from London Heathrow Airport to El Salvador from £296

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 15/4. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SAL
7 Apr — 14 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 8 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
Mon 9/321:40
LHR
-
SAL
1 stop24h 00m
Avianca
Mon 16/322:05
SAL
-
LHR
1 stop34h 30m
Avianca
Deal found 3/3£596
Mon 9/321:40
LHR
-
SAL
1 stop19h 25m
Avianca
Wed 18/308:00
SAL
-
LHR
1 stop24h 35m
Avianca
Deal found 3/3£597
Tue 5/522:05
LHR
-
SAL
1 stop24h 35m
Avianca
Sat 23/512:05
SAL
-
LHR
1 stop20h 30m
Avianca
Deal found 5/3£607
Sat 25/422:05
LHR
-
SAL
2 stops39h 05m
Avianca
Sun 31/523:20
SAL
-
LHR
2 stops33h 15m
Avianca
Deal found 4/3£608

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 8 March 2026.

Round-trip from

£606

One-way from

£296

Popular in

December

Cheapest in

September

Average price

£601
Avianca
  • Avianca
  • 25/4-31/5
  • 3 total stops
  • 53h 15m total
  • London to El Salvador
Search Deals
15/4
  • 15/4
  • 3 total stops
  • 37h 15m total
  • London to El Salvador
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (£41 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£8 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

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 8 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

Wed 25/3

12:05-12:19

2 stops30h 14m

San Salvador El Salvador Intl

Tue 31/3

13:50-11:35

1 stop14h 45m

£626
Fastest return journey

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Thu 23/4

12:00-21:35

1 stop16h 35m

San Salvador El Salvador Intl

Mon 27/4

06:00-07:40

1 stop18h 40m

£638

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

£643

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

£658

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Sat 18/7

07:45-20:49

2 stops20h 04m

San Salvador El Salvador Intl

Sat 8/8

01:15-07:15

2 stops23h 00m

£663
Cheapest one-way

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Sat 9/5

22:05-11:05

1 stop20h 00m

£317

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Fri 1/5

22:05-11:05

1 stop20h 00m

£362

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Sat 13/6

19:45-23:37

2 stops34h 52m

£506

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Fri 5/6

08:40-20:34

2 stops18h 54m

£511

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Sat 21/3

21:40-16:50

2 stops25h 10m

£511

Flights are sorted by cheapest return flights first.

Deals found on 5/3

Showing 1-10 of 14 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 £624). 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 8 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.
KLM
7.8
Good
1,467 reviews
Check prices

Crew

8.4

Overall

7.8

Food

7.3

Boarding

7.8

Comfort

7.6

Entertainment

7.1

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
KLM
7.8
Good
1,467 reviews
KLM
7.8
Good
1,467 reviews
Check prices

Crew

8.4

Overall

7.8

Food

7.3

Boarding

7.8

Comfort

7.6

Entertainment

7.1

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
United Airlines
7.4
Good
9,405 reviews
KLM
7.8
Good
1,467 reviews
Check prices

Crew

8.4

Overall

7.8

Food

7.3

Boarding

7.8

Comfort

7.6

Entertainment

7.1

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
Air Canada
7.1
Good
10,791 reviews
KLM
7.8
Good
1,467 reviews
Check prices

Crew

8.4

Overall

7.8

Food

7.3

Boarding

7.8

Comfort

7.6

Entertainment

7.1

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
Lufthansa
6.8
Okay
7,833 reviews
KLM
7.8
Good
1,467 reviews
Check prices

Crew

8.4

Overall

7.8

Food

7.3

Boarding

7.8

Comfort

7.6

Entertainment

7.1

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
Avianca
6.5
Okay
2,498 reviews
KLM
7.8
Good
1,467 reviews
Check prices

Crew

8.4

Overall

7.8

Food

7.3

Boarding

7.8

Comfort

7.6

Entertainment

7.1

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 30h 14m. Fly via United Airlines to get the fastest option. The distance from London Heathrow Airport to El Salvador is about 5431 mi.

  • 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 £624). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 8 March 2026.
AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest£503Average£580FlexibilityNo cancel feeOn-time71%
Search Avianca flights
United AirlinesCheapest£545Average£673FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
KLMCheapest£573Average£637FlexibilityNo cancel feeOn-time75%
Search KLM flights
LufthansaCheapest£589Average£635FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air CanadaCheapest£600Average£787FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Cheapflights makes it easy to find Heathrow to El Salvador flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Heathrow to El Salvador for you. Better yet — we are completely free to use.

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?

Not ready to book yet? You can track prices for flights from Heathrow to El Salvador on Cheapflights with our Price Alert feature and get notified when better prices are available.

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