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Cheap flights from London Heathrow Airport to El Salvador from £412

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 21/6. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SAL
10 Jul — 17 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 10 June 2026.

Mon 31/806:00
LHR
-
SAL
2 stops21h 00m
Multiple Airlines
Fri 18/920:25
SAL
-
LHR
2 stops36h 10m
Multiple Airlines
Deal found 8/6£665
Fri 4/906:00
LHR
-
SAL
2 stops21h 00m
Multiple Airlines
Sat 19/911:50
SAL
-
LHR
2 stops20h 45m
Multiple Airlines
Deal found 9/6£667
Thu 5/1106:00
LHR
-
SAL
2 stops21h 55m
Multiple Airlines
Sat 14/1120:25
SAL
-
LHR
2 stops39h 05m
Multiple Airlines
Deal found 10/6£668
Mon 22/622:05
LHR
-
SAL
1 stop15h 25m
Avianca
Thu 25/612:05
SAL
-
LHR
1 stop20h 30m
Avianca
Deal found 8/6£680
Mon 8/622:05
LHR
-
SAL
1 stop20h 00m
Avianca
Sun 21/612:05
SAL
-
LHR
1 stop20h 30m
Avianca
Deal found 7/6£681
Tue 3/1121:40
LHR
-
SAL
1 stop24h 00m
Avianca
Mon 16/1108:00
SAL
-
LHR
1 stop24h 35m
Avianca
Deal found 9/6£682
Sat 5/922:05
LHR
-
SAL
1 stop15h 25m
Avianca
Sun 20/922:20
SAL
-
LHR
2 stops34h 15m
Avianca
Deal found 9/6£684
Mon 31/822:05
LHR
-
SAL
1 stop20h 00m
Avianca
Fri 25/908:05
SAL
-
LHR
1 stop24h 30m
Avianca
Deal found 5/6£686

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 10 June 2026.

Round-trip from

£665

One-way from

£412

Popular in

December

Cheapest in

May

Average price

£692
31/8-18/9
  • 31/8-18/9
  • 4 total stops
  • 57h 10m total
  • London to El Salvador
Search Deals
Avianca
  • Avianca
  • 21/6
  • 1 total stop
  • 24h 35m total
  • London to El Salvador
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (£18 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 10 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

Tue 3/11

21:40-16:35

2 stops24h 55m

San Salvador El Salvador Intl

Mon 16/11

08:00-14:35

1 stop24h 35m

£683

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

16:40-05:55

2 stops31h 15m

£695

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Thu 2/7

10:00-18:58

1 stop15h 58m

San Salvador El Salvador Intl

Fri 10/7

01:15-06:45

2 stops22h 30m

£712

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Sat 24/10

11:25-04:45

2 stops24h 20m

San Salvador El Salvador Intl

Mon 2/11

06:55-09:40

2 stops20h 45m

£715

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Thu 5/11

10:00-21:19

1 stop17h 19m

San Salvador El Salvador Intl

Sat 14/11

06:55-07:30

1 stop18h 35m

£716

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Mon 10/8

07:45-20:49

2 stops20h 04m

San Salvador El Salvador Intl

Sun 13/9

06:00-09:00

2 stops20h 00m

£737

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

£745
Fastest return journey

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Fri 3/7

07:45-21:35

1 stop20h 50m

San Salvador El Salvador Intl

Sun 12/7

13:50-11:35

1 stop14h 45m

£745

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Sun 16/8

07:25-20:49

2 stops20h 24m

San Salvador El Salvador Intl

Sat 22/8

06:00-09:40

2 stops20h 40m

£769

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Thu 5/11

10:20-06:30

2 stops26h 10m

San Salvador El Salvador Intl

Sat 14/11

09:55-16:00

3 stops24h 05m

£863

Flights are sorted by cheapest return flights first.

Deals found on 5/6

Showing 1-10 of 21 resultsSorted by cheapest first
1
2
3

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 February is currently the most expensive (average of £630). 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 10 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
9,808 reviews
Check prices

Comfort

7.3

Overall

7.4

Boarding

7.7

Food

6.6

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
9,808 reviews
United Airlines
7.4
Good
9,808 reviews
Check prices

Comfort

7.3

Overall

7.4

Boarding

7.7

Food

6.6

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
11,158 reviews
United Airlines
7.4
Good
9,808 reviews
Check prices

Comfort

7.3

Overall

7.4

Boarding

7.7

Food

6.6

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
8,053 reviews
United Airlines
7.4
Good
9,808 reviews
Check prices

Comfort

7.3

Overall

7.4

Boarding

7.7

Food

6.6

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
2,535 reviews
United Airlines
7.4
Good
9,808 reviews
Check prices

Comfort

7.3

Overall

7.4

Boarding

7.7

Food

6.6

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 21h 57m. 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, 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 February is currently the most expensive (average of £630). 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 10 June 2026.
AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest£504Average£611FlexibilityNo cancel feeOn-time71%
Search Avianca flights
United AirlinesCheapest£558Average£681FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
LufthansaCheapest£590Average£664FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air CanadaCheapest£623Average£800FlexibilityNo 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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