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Cheap flights from London Heathrow Airport to El Salvador from £410

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 25/9. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SAL
5 Aug — 12 Aug1
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 6 July 2026.

Wed 4/1118:30
LHR
-
SAL
2 stops33h 25m
Multiple Airlines
Mon 16/1109:35
SAL
-
LHR
2 stops21h 05m
Multiple Airlines
Deal found 3/7£674
Mon 28/922:05
LHR
-
SAL
1 stop24h 35m
Avianca
Sun 4/1012:05
SAL
-
LHR
1 stop20h 30m
Avianca
Deal found 2/7£677
Tue 3/1106:00
LHR
-
SAL
2 stops21h 55m
Multiple Airlines
Mon 16/1120:25
SAL
-
LHR
2 stops39h 05m
Multiple Airlines
Deal found 3/7£678
Tue 3/1121:40
LHR
-
SAL
2 stops24h 55m
Avianca
Mon 16/1112:05
SAL
-
LHR
1 stop20h 30m
Avianca
Deal found 2/7£680
Thu 5/1121:40
LHR
-
SAL
1 stop24h 00m
Avianca
Sat 14/1108:00
SAL
-
LHR
1 stop24h 35m
Avianca
Deal found 5/7£682
Wed 4/1121:40
LHR
-
SAL
1 stop24h 00m
Avianca
Mon 16/1112:05
SAL
-
LHR
1 stop20h 30m
Avianca
Deal found 6/7£683

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 6 July 2026.

Round-trip from

£674

One-way from

£410

Popular in

June

Cheapest in

May

Average price

£726
4/11-16/11
  • 4/11-16/11
  • 4 total stops
  • 54h 30m total
  • London to El Salvador
Search Deals
Avianca
  • Avianca
  • 25/9
  • 1 total stop
  • 15h 25m total
  • London to El Salvador
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (£5 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£5 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 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 6 July 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
Fastest return journey

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Thu 27/8

07:25-20:49

2 stops20h 24m

San Salvador El Salvador Intl

Mon 31/8

13:50-11:35

1 stop14h 45m

£689

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Tue 4/8

10:00-20:49

1 stop17h 49m

San Salvador El Salvador Intl

Wed 12/8

06:00-10:25

2 stops21h 25m

£713

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Mon 3/8

16:40-18:58

2 stops33h 18m

San Salvador El Salvador Intl

Mon 10/8

22:45-21:25

1 stop15h 40m

£715

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Tue 1/9

12:00-21:35

1 stop16h 35m

San Salvador El Salvador Intl

Tue 15/9

06:00-07:55

1 stop18h 55m

£715

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Wed 23/12

12:05-00:47

1 stop18h 42m

San Salvador El Salvador Intl

Thu 31/12

02:00-07:40

1 stop23h 40m

£740

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Mon 10/8

08:00-20:49

2 stops19h 49m

San Salvador El Salvador Intl

Sat 12/9

06:00-05:55

2 stops16h 55m

£744

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Tue 3/11

19:30-06:30

2 stops41h 00m

San Salvador El Salvador Intl

Mon 16/11

09:55-17:40

3 stops25h 45m

£876
Cheapest one-way
Fastest single journey

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Fri 25/9

22:05-06:30

1 stop15h 25m

£410

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Fri 25/9

08:00-06:30

2 stops29h 30m

£433

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Wed 15/7

09:55-11:05

2 stops32h 10m

£595

Flights are sorted by cheapest return flights first.

Deals found on 2/7

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, January is the cheapest month in which you can book a flight from London Heathrow Airport to El Salvador (average of £499). Flying from London Heathrow Airport to El Salvador in July is currently the most expensive (average of £639). 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 54 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 6 July 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
9,938 reviews
Check prices

Food

6.6

Overall

7.4

Boarding

7.7

Comfort

7.3

Crew

8.1

Entertainment

7.1

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
9,938 reviews
United Airlines
7.4
Good
9,938 reviews
Check prices

Food

6.6

Overall

7.4

Boarding

7.7

Comfort

7.3

Crew

8.1

Entertainment

7.1

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
11,305 reviews
United Airlines
7.4
Good
9,938 reviews
Check prices

Food

6.6

Overall

7.4

Boarding

7.7

Comfort

7.3

Crew

8.1

Entertainment

7.1

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
8,116 reviews
United Airlines
7.4
Good
9,938 reviews
Check prices

Food

6.6

Overall

7.4

Boarding

7.7

Comfort

7.3

Crew

8.1

Entertainment

7.1

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
2,520 reviews
United Airlines
7.4
Good
9,938 reviews
Check prices

Food

6.6

Overall

7.4

Boarding

7.7

Comfort

7.3

Crew

8.1

Entertainment

7.1

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 20h 24m. 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, January is the cheapest month in which you can book a flight from London Heathrow Airport to El Salvador (average of £499). Flying from London Heathrow Airport to El Salvador in July is currently the most expensive (average of £639). 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

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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 6 July 2026.
AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest£505Average£612FlexibilityNo cancel feeOn-time71%
Search Avianca flights
United AirlinesCheapest£559Average£682FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
LufthansaCheapest£591Average£667FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air CanadaCheapest£617Average£801FlexibilityNo 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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