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Cheap flights from London Heathrow Airport to El Salvador from £392

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 1/11. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SAL
4 Sep — 11 Sep1
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 5 August 2026.

Tue 15/907:25 -
2 stops20h 24m
Tue 22/906:00 -
2 stops20h 20m
Deal found 1/8£691
Mon 14/920:05 -
2 stops23h 26m
Mon 21/913:57 -
1 stop14h 23m
Deal found 31/7£692
Mon 14/915:15 -
1 stop28h 16m
Mon 21/913:57 -
1 stop14h 23m
Deal found 31/7£693
Tue 1/916:05 -
2 stops27h 27m
Tue 8/913:57 -
1 stop16h 18m
Deal found 4/8£693
Wed 30/912:50 -
2 stops30h 41m
Thu 29/1013:57 -
1 stop15h 43m
Deal found 1/8£694
Sun 4/1017:45 -
2 stops25h 46m
Wed 28/1013:57 -
2 stops35h 48m
Deal found 2/8£696
Wed 19/807:25 -
2 stops20h 24m
Sun 30/813:50 -
1 stop34h 55m
Deal found 31/7£699
Sat 26/1209:30 -
2 stops21h 25m
Thu 21/106:55 -
2 stops17h 25m
Deal found 31/7£699
Tue 1/907:25 -
2 stops20h 24m
Tue 8/915:40 -
1 stop33h 05m
Deal found 4/8£700
Wed 26/806:55 -
2 stops20h 54m
Wed 9/906:00 -
2 stops17h 45m
Deal found 2/8£702
Sun 1/1107:30 -
2 stops21h 17m
Fri 6/1103:00 -
1 stop28h 30m
Deal found 2/8£703
Sat 3/1006:50 -
2 stops21h 45m
Sat 31/1006:00 -
2 stops24h 00m
Deal found 2/8£705

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 5 August 2026.

Round-trip from

£691

One-way from

£392

Popular in

December

Cheapest in

September

Average price

£716
15/9-22/9
  • 15/9-22/9
  • 4 total stops
  • 40h 44m total
  • London to El Salvador
Search Deals
1/11
  • 1/11
  • 1 total stop
  • 38h 40m total
  • London to El Salvador
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (£21 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£7 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 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 5 August 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 1/9

16:05-12:32

2 stops27h 27m

San Salvador El Salvador Intl

Tue 8/9

13:57-13:15

1 stop16h 18m

£696

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Sat 26/12

09:30-00:55

2 stops21h 25m

San Salvador El Salvador Intl

Tue 19/1

06:55-10:50

2 stops21h 55m

£699

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Mon 14/9

07:25-20:49

2 stops20h 24m

San Salvador El Salvador Intl

Mon 21/9

06:00-10:25

2 stops21h 25m

£700
Fastest return journey

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Wed 4/11

09:10-22:47

1 stop19h 37m

San Salvador El Salvador Intl

Mon 16/11

23:54-20:35

1 stop14h 41m

£723

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Sat 14/11

08:00-21:19

2 stops19h 19m

San Salvador El Salvador Intl

Wed 18/11

07:00-09:10

2 stops20h 10m

£725

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Tue 15/9

13:25-12:31

1 stop30h 06m

San Salvador El Salvador Intl

Tue 22/9

13:57-13:15

1 stop16h 18m

£729

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Wed 16/9

13:25-12:31

1 stop30h 06m

San Salvador El Salvador Intl

Wed 23/9

13:57-13:15

1 stop16h 18m

£731

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Sat 31/10

07:40-20:45

2 stops19h 05m

San Salvador El Salvador Intl

Sun 15/11

07:00-08:25

2 stops19h 25m

£750

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Sat 12/12

12:05-00:47

1 stop18h 42m

San Salvador El Salvador Intl

Wed 6/1

14:50-20:35

2 stops23h 45m

£752
Cheapest one-way

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Tue 25/8

09:55-11:05

2 stops32h 10m

£393

Flights are sorted by cheapest return flights first.

Deals found on 1/8

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 £588). Flying from London Heathrow Airport to El Salvador in September is currently the most expensive (average of £797). 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.

How far ahead should I book a flight from London Heathrow Airport to El Salvador?

The best time to book flights from London Heathrow Airport to El Salvador is 55 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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 5 August 2026.
See what other customers who have flown with United Airlines,Air Canada, andLufthansa 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.
United Airlines
7.4
Good
10,060 reviews
Check prices

Overall

7.4

Boarding

7.7

Entertainment

7.1

Food

6.7

Comfort

7.3

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Tim,Sept 2025

LHR - IAD

The premium economy seats were very comfortable and the attention and service by the flight attendants was superb.
United Airlines
7.4
Good
10,060 reviews
United Airlines
7.4
Good
10,060 reviews
Check prices

Overall

7.4

Boarding

7.7

Entertainment

7.1

Food

6.7

Comfort

7.3

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Tim,Sept 2025

LHR - IAD

The premium economy seats were very comfortable and the attention and service by the flight attendants was superb.
Air Canada
7.1
Good
11,428 reviews
United Airlines
7.4
Good
10,060 reviews
Check prices

Overall

7.4

Boarding

7.7

Entertainment

7.1

Food

6.7

Comfort

7.3

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Tim,Sept 2025

LHR - IAD

The premium economy seats were very comfortable and the attention and service by the flight attendants was superb.
Lufthansa
6.8
Okay
8,176 reviews
United Airlines
7.4
Good
10,060 reviews
Check prices

Overall

7.4

Boarding

7.7

Entertainment

7.1

Food

6.7

Comfort

7.3

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Tim,Sept 2025

LHR - IAD

The premium economy seats were very comfortable and the attention and service by the flight attendants was superb.
Avianca
6.5
Okay
2,523 reviews
United Airlines
7.4
Good
10,060 reviews
Check prices

Overall

7.4

Boarding

7.7

Entertainment

7.1

Food

6.7

Comfort

7.3

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Tim,Sept 2025

LHR - IAD

The premium economy seats were very comfortable and the attention and service by the flight attendants was superb.

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 21h 25m. Fly via Delta 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 £588). Flying from London Heathrow Airport to El Salvador in September is currently the most expensive (average of £797). 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 4 airlines flying from Heathrow to El Salvador

Discover the top 4 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 5 August 2026.
AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest£502Average£608FlexibilityNo cancel feeOn-time71%
Search Avianca flights
United AirlinesCheapest£555Average£693FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
LufthansaCheapest£587Average£663FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air CanadaCheapest£613Average£797FlexibilityNo 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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