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Cheap flights from London Heathrow Airport to El Salvador from £432

LHR — SAL
22 Sep — 29 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

Mon 16/1109:55 -
1 stop25h 35m
Sun 21/203:45 -
1 stop34h 20m
Deal found 19/8£631
Sat 14/1116:15 -
2 stops38h 30m
Tue 23/208:30 -
1 stop17h 55m
Deal found 19/8£635
Wed 16/913:40 -
1 stop31h 50m
Tue 29/906:00 -
1 stop18h 55m
Deal found 19/8£643
Tue 6/1007:25 -
2 stops20h 24m
Tue 13/1006:00 -
2 stops20h 20m
Deal found 22/8£684
Wed 16/911:45 -
2 stops31h 46m
Wed 23/913:57 -
1 stop14h 23m
Deal found 19/8£687
Wed 16/907:25 -
2 stops20h 24m
Tue 29/906:00 -
2 stops17h 45m
Deal found 19/8£693
Sat 21/1106:35 -
2 stops20h 44m
Sat 5/1202:00 -
2 stops21h 55m
Deal found 18/8£695
Thu 17/906:55 -
2 stops20h 54m
Thu 24/906:00 -
2 stops16h 55m
Deal found 20/8£695
Sat 14/1106:35 -
2 stops20h 44m
Mon 23/1103:00 -
1 stop28h 30m
Deal found 23/8£698
Mon 5/1008:40 -
2 stops34h 52m
Mon 12/1013:57 -
1 stop16h 18m
Deal found 21/8£699

Find flight deals from Heathrow to El Salvador

Round-trip from

£631

One-way from

£432

Popular in

June

Cheapest in

September

Average price

£729
16/11-21/2
  • 16/11-21/2
  • 2 total stops
  • 59h 55m total
  • London to El Salvador
Search Deals
21/9
  • 21/9
  • 1 total stop
  • 26h 35m total
  • London to El Salvador
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (£9 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 August 2026
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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 3/11

09:10-21:19

2 stops18h 09m

San Salvador El Salvador Intl

Mon 16/11

07:00-09:10

2 stops20h 10m

£718

LondonSan Salvador

LHR London Heathrow - SAL San Salvador El Salvador Intl

LHRSAL

London Heathrow

Wed 4/11

07:40-21:19

2 stops19h 39m

San Salvador El Salvador Intl

Mon 16/11

07:00-09:10

2 stops20h 10m

£718
Fastest return journey

LondonSan Salvador

LHR London Heathrow - SAL San Salvador El Salvador Intl

LHRSAL

London Heathrow

Thu 17/9

12:00-21:35

1 stop16h 35m

San Salvador El Salvador Intl

Mon 21/9

13:50-11:35

1 stop14h 45m

£720

LondonSan Salvador

LHR London Heathrow - SAL San Salvador El Salvador Intl

LHRSAL

London Heathrow

Mon 5/10

13:00-04:50

2 stops22h 50m

San Salvador El Salvador Intl

Mon 12/10

06:00-06:55

2 stops17h 55m

£722

LondonSan Salvador

LHR London Heathrow - SAL San Salvador El Salvador Intl

LHRSAL

London Heathrow

Sat 31/10

10:25-04:50

2 stops24h 25m

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

Fri 30/10

10:00-20:19

1 stop16h 19m

San Salvador El Salvador Intl

Tue 3/11

07:00-08:25

2 stops19h 25m

£723

LondonSan Salvador

LHR London Heathrow - SAL San Salvador El Salvador Intl

LHRSAL

London Heathrow

Mon 21/12

10:00-00:55

1 stop20h 55m

San Salvador El Salvador Intl

Mon 28/12

16:40-07:40

1 stop33h 00m

£744

LondonSan Salvador

LHR London Heathrow - SAL San Salvador El Salvador Intl

LHRSAL

London Heathrow

Sat 26/12

15:20-21:19

2 stops35h 59m

San Salvador El Salvador Intl

Mon 11/1

14:50-20:35

2 stops23h 45m

£803
Cheapest one-way

LondonSan Salvador

LHR London Heathrow - SAL San Salvador El Salvador Intl

LHRSAL

London Heathrow

Wed 28/10

18:50-21:45

3 stops32h 55m

£433
Fastest single journey

LondonSan Salvador

LHR London Heathrow - SAL San Salvador El Salvador Intl

LHRSAL

London Heathrow

Tue 6/10

22:05-15:40

1 stop24h 35m

£448

Flights are sorted by cheapest return flights first.

Deals found on 23/8

Showing 1-10 of 12 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 £601). Flying from London Heathrow Airport to El Salvador in September is currently the most expensive (average of £799). 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 57 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
10,113 reviews
Check prices

Boarding

7.7

Entertainment

7.1

Crew

8.1

Overall

7.4

Comfort

7.3

Food

6.7

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
10,113 reviews
United Airlines
7.4
Good
10,113 reviews
Check prices

Boarding

7.7

Entertainment

7.1

Crew

8.1

Overall

7.4

Comfort

7.3

Food

6.7

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
11,523 reviews
United Airlines
7.4
Good
10,113 reviews
Check prices

Boarding

7.7

Entertainment

7.1

Crew

8.1

Overall

7.4

Comfort

7.3

Food

6.7

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
8,211 reviews
United Airlines
7.4
Good
10,113 reviews
Check prices

Boarding

7.7

Entertainment

7.1

Crew

8.1

Overall

7.4

Comfort

7.3

Food

6.7

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
2,548 reviews
United Airlines
7.4
Good
10,113 reviews
Check prices

Boarding

7.7

Entertainment

7.1

Crew

8.1

Overall

7.4

Comfort

7.3

Food

6.7

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

  • 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 18h 09m. 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 £601). Flying from London Heathrow Airport to El Salvador in September is currently the most expensive (average of £799). 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£494Average£600FlexibilityNo cancel feeOn-time71%
Search Avianca flights
United AirlinesCheapest£547Average£680FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
LufthansaCheapest£586Average£677FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air CanadaCheapest£611Average£785FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

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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