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Cheap flights from London Heathrow Airport to El Salvador from £397

LHR — SAL
2 Oct — 9 Oct1
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

Fri 23/1016:15 -
2 stops27h 00m
Fri 30/1006:00 -
1 stop22h 15m
Deal found 2/9£684
Thu 10/910:25 -
1 stop18h 10m
Sun 13/915:40 -
1 stop33h 05m
Deal found 1/9£685
Thu 5/1116:00 -
1 stop27h 32m
Sat 21/1114:39 -
1 stop15h 01m
Deal found 29/8£698
Tue 13/1007:25 -
2 stops20h 24m
Tue 20/1006:00 -
1 stop22h 35m
Deal found 29/8£700
Thu 3/1209:30 -
2 stops21h 25m
Mon 14/1207:00 -
1 stop18h 40m
Deal found 29/8£701
Fri 18/911:45 -
2 stops31h 46m
Fri 2/1013:57 -
1 stop33h 28m
Deal found 29/8£702
Sat 19/906:50 -
2 stops21h 45m
Sat 3/1006:00 -
1 stop22h 35m
Deal found 29/8£703
Tue 3/1106:50 -
2 stops21h 57m
Mon 16/1123:54 -
1 stop15h 26m
Deal found 30/8£703
Wed 30/915:15 -
1 stop28h 16m
Wed 28/1013:57 -
1 stop15h 43m
Deal found 31/8£705
Fri 18/911:05 -
2 stops41h 30m
Thu 1/1006:00 -
1 stop18h 45m
Deal found 30/8£713

Find flight deals from Heathrow to El Salvador

Round-trip from

£638

One-way from

£397

Popular in

December

Cheapest in

September

Average price

£569
22/2-7/3
  • 22/2-7/3
  • 2 total stops
  • 49h 00m total
  • London to El Salvador
Search Deals
12/9
  • 12/9
  • 2 total stops
  • 45h 50m total
  • London to El Salvador
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (£22 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£9 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2026
Search Deals

Cheapflights Fare Finder

 
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 London Heathrow - SAL San Salvador El Salvador Intl

LHRSAL

London Heathrow

Tue 13/10

07:25-20:49

2 stops20h 24m

San Salvador El Salvador Intl

Tue 20/10

06:00-21:25

2 stops32h 25m

£700

LondonSan Salvador

LHR London Heathrow - SAL San Salvador El Salvador Intl

LHRSAL

London Heathrow

Fri 8/1

07:30-22:47

2 stops21h 17m

San Salvador El Salvador Intl

Mon 18/1

23:54-06:40

2 stops24h 46m

£707

LondonSan Salvador

LHR London Heathrow - SAL San Salvador El Salvador Intl

LHRSAL

London Heathrow

Wed 30/9

16:40-12:15

2 stops26h 35m

San Salvador El Salvador Intl

Wed 28/10

06:00-07:55

2 stops19h 55m

£723

LondonSan Salvador

LHR London Heathrow - SAL San Salvador El Salvador Intl

LHRSAL

London Heathrow

Wed 30/9

13:05-04:50

1 stop22h 45m

San Salvador El Salvador Intl

Wed 7/10

06:00-07:45

1 stop18h 45m

£723

LondonSan Salvador

LHR London Heathrow - SAL San Salvador El Salvador Intl

LHRSAL

London Heathrow

Sat 31/10

07:40-04:50

2 stops27h 10m

San Salvador El Salvador Intl

Sun 15/11

23:54-21:20

1 stop15h 26m

£723

LondonSan Salvador

LHR London Heathrow - SAL San Salvador El Salvador Intl

LHRSAL

London Heathrow

Sat 3/10

10:00-20:49

1 stop17h 49m

San Salvador El Salvador Intl

Wed 14/10

06:00-06:55

2 stops17h 55m

£723
Fastest return journey

LondonSan Salvador

LHR London Heathrow - SAL San Salvador El Salvador Intl

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 London Heathrow - SAL San Salvador El Salvador Intl

LHRSAL

London Heathrow

Tue 29/9

10:00-20:49

1 stop17h 49m

San Salvador El Salvador Intl

Tue 6/10

06:00-11:55

2 stops22h 55m

£724

LondonSan Salvador

LHR London Heathrow - SAL San Salvador El Salvador Intl

LHRSAL

London Heathrow

Thu 5/11

15:20-05:50

1 stop20h 30m

San Salvador El Salvador Intl

Sat 14/11

14:50-21:20

2 stops24h 30m

£731
Cheapest one-way
Fastest single journey

LondonSan Salvador

LHR London Heathrow - SAL San Salvador El Salvador Intl

LHRSAL

London Heathrow

Tue 1/12

21:35-06:35

1 stop15h 00m

£473

Flights are sorted by cheapest return flights first.

Deals found on 28/8

Showing 1-10 of 17 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

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, November is the cheapest month in which you can book a flight from London Heathrow Airport to El Salvador (average of £606). Flying from London Heathrow Airport to El Salvador in September is currently the most expensive (average of £806). 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 58 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

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
10,160 reviews
Check prices

Boarding

7.7

Overall

7.4

Comfort

7.3

Food

6.7

Entertainment

7.1

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
10,160 reviews
United Airlines
7.4
Good
10,160 reviews
Check prices

Boarding

7.7

Overall

7.4

Comfort

7.3

Food

6.7

Entertainment

7.1

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
11,573 reviews
United Airlines
7.4
Good
10,160 reviews
Check prices

Boarding

7.7

Overall

7.4

Comfort

7.3

Food

6.7

Entertainment

7.1

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
8,230 reviews
United Airlines
7.4
Good
10,160 reviews
Check prices

Boarding

7.7

Overall

7.4

Comfort

7.3

Food

6.7

Entertainment

7.1

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
2,557 reviews
United Airlines
7.4
Good
10,160 reviews
Check prices

Boarding

7.7

Overall

7.4

Comfort

7.3

Food

6.7

Entertainment

7.1

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

  • 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, November is the cheapest month in which you can book a flight from London Heathrow Airport to El Salvador (average of £606). Flying from London Heathrow Airport to El Salvador in September is currently the most expensive (average of £806). 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

Top 4 airlines flying from Heathrow to El Salvador

AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest£498Average£605FlexibilityNo cancel feeOn-time71%
Search Avianca flights
United AirlinesCheapest£551Average£690FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
LufthansaCheapest£591Average£683FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air CanadaCheapest£616Average£791FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

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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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