Find flights
When to book
Airlines
FAQs

Cheap flights from London Heathrow Airport to El Salvador from £440

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 20/10. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SAL
19 Jul — 26 Jul1
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 19 June 2026.

Thu 3/908:00
LHR
-
SAL
2 stops29h 30m
Multiple Airlines
Tue 15/909:35
SAL
-
LHR
2 stops29h 25m
Multiple Airlines
Deal found 14/6£672
Thu 5/1119:55
LHR
-
SAL
2 stops42h 10m
Multiple Airlines
Sat 14/1109:35
SAL
-
LHR
2 stops19h 50m
Multiple Airlines
Deal found 15/6£678
Fri 30/1006:00
LHR
-
SAL
2 stops32h 05m
Multiple Airlines
Sat 7/1122:05
SAL
-
LHR
2 stops37h 25m
Multiple Airlines
Deal found 16/6£681
Tue 3/1106:00
LHR
-
SAL
2 stops21h 55m
Multiple Airlines
Mon 16/1109:35
SAL
-
LHR
2 stops25h 55m
Multiple Airlines
Deal found 18/6£684
Wed 17/622:05
LHR
-
SAL
1 stop20h 00m
Avianca
Tue 7/712:05
SAL
-
LHR
1 stop20h 30m
Avianca
Deal found 14/6£692
Wed 17/622:05
LHR
-
SAL
2 stops25h 05m
Avianca
Mon 6/712:05
SAL
-
LHR
1 stop20h 30m
Avianca
Deal found 14/6£693
Wed 4/1121:40
LHR
-
SAL
2 stops38h 30m
Avianca
Mon 16/1108:00
SAL
-
LHR
1 stop24h 35m
Avianca
Deal found 15/6£694
Wed 4/1106:50
LHR
-
SAL
2 stops21h 57m
Lufthansa
Mon 16/1123:54
SAL
-
LHR
1 stop24h 26m
Lufthansa
Deal found 17/6£697

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 19 June 2026.

Round-trip from

£672

One-way from

£440

Popular in

December

Cheapest in

May

Average price

£698
3/9-15/9
  • 3/9-15/9
  • 4 total stops
  • 58h 55m total
  • London to El Salvador
Search Deals
20/10
  • 20/10
  • 2 total stops
  • 22h 55m total
  • London to El Salvador
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (£12 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£6 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 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 19 June 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 4/11

06:50-22:47

2 stops21h 57m

San Salvador El Salvador Intl

Mon 16/11

06:55-10:25

2 stops21h 30m

£699
Fastest return journey

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Tue 3/11

06:50-22:47

2 stops21h 57m

San Salvador El Salvador Intl

Mon 16/11

06:55-08:25

2 stops19h 30m

£700

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Sun 9/8

07:45-21:35

1 stop20h 50m

San Salvador El Salvador Intl

Sat 12/9

06:00-10:25

2 stops21h 25m

£753

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Fri 31/7

06:55-20:49

2 stops20h 54m

San Salvador El Salvador Intl

Thu 6/8

01:15-11:35

1 stop27h 20m

£1,128

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Wed 4/11

16:30-23:35

3 stops37h 05m

San Salvador El Salvador Intl

Mon 16/11

13:43-22:30

2 stops26h 47m

£1,301

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Tue 3/11

16:30-23:35

3 stops37h 05m

San Salvador El Salvador Intl

Mon 16/11

13:43-21:05

2 stops25h 22m

£1,354
Cheapest one-way

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Tue 20/10

06:00-21:55

2 stops22h 55m

£440

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Thu 15/10

08:00-08:05

2 stops31h 05m

£445

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Tue 4/8

06:00-21:55

2 stops22h 55m

£455
Fastest single journey

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Thu 22/10

22:05-11:05

1 stop20h 00m

£465

Flights are sorted by cheapest return flights first.

Deals found on 14/6

Showing 1-10 of 15 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 £503). Flying from London Heathrow Airport to El Salvador in February is currently the most expensive (average of £636). 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 53 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 19 June 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
9,860 reviews
Check prices

Comfort

7.3

Overall

7.4

Crew

8.1

Entertainment

7.1

Food

6.7

Boarding

7.7

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
9,860 reviews
United Airlines
7.4
Good
9,860 reviews
Check prices

Comfort

7.3

Overall

7.4

Crew

8.1

Entertainment

7.1

Food

6.7

Boarding

7.7

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
11,214 reviews
United Airlines
7.4
Good
9,860 reviews
Check prices

Comfort

7.3

Overall

7.4

Crew

8.1

Entertainment

7.1

Food

6.7

Boarding

7.7

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
8,073 reviews
United Airlines
7.4
Good
9,860 reviews
Check prices

Comfort

7.3

Overall

7.4

Crew

8.1

Entertainment

7.1

Food

6.7

Boarding

7.7

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
2,531 reviews
United Airlines
7.4
Good
9,860 reviews
Check prices

Comfort

7.3

Overall

7.4

Crew

8.1

Entertainment

7.1

Food

6.7

Boarding

7.7

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 57m. 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 £503). Flying from London Heathrow Airport to El Salvador in February is currently the most expensive (average of £636). 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 19 June 2026.
AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest£509Average£617FlexibilityNo cancel feeOn-time71%
Search Avianca flights
United AirlinesCheapest£563Average£694FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
LufthansaCheapest£596Average£672FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air CanadaCheapest£629Average£808FlexibilityNo 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.