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 17m. Fly via United Airlines to get the fastest option. The distance from London Heathrow Airport to El Salvador is about 5431 mi.

In terms of precipitation, rainfall in El Salvador ranges from 0.0 - 330.0 inches per month. August is typically the wettest month, when rainfall can reach 330.0 mm. February is typically the driest time to visit El Salvador when rainfall is around 0.0 mm.

If weather is an important factor for your trip to El Salvador, use this chart to help with planning. For those seeking warmer temperatures, March is the ideal time of year to visit, when temperatures reach an average of 25.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 C).

What are the most popular airlines that fly from London Heathrow Airport to El Salvador?

Consider United Airlines, Air Canada or Avianca when booking your flight. These represent the most popular airlines when flying from London Heathrow Airport to El Salvador.

What is the cheapest time of day to fly from LHR to SV?

When flying from London Heathrow Airport to El Salvador, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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.

£410+ Cheap Flights from London Heathrow Airport to El Salvador

Cheap flight deals from Heathrow to El Salvador

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

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 28 September 2026.

Thu 5/1121:35 -

1 stop15h 00m

Sat 14/1114:50 -

1 stop17h 45m

Deal found 28/9£507

Tue 3/1121:35 -

1 stop15h 00m

Mon 16/1107:45 -

1 stop24h 50m

Deal found 28/9£514

Thu 5/1121:35 -

1 stop15h 00m

Mon 9/1107:45 -

1 stop24h 50m

Deal found 25/9£515

Mon 2/1121:35 -

2 stops29h 30m

Sun 15/1114:50 -

1 stop17h 45m

Deal found 27/9£516

Find flight deals from Heathrow to El Salvador

Round-trip from	£507
One-way from	£410
Popular in	December
Cheapest in	May
Average price	£741

Avianca
5/11-14/11
2 total stops
32h 45m total
London to El Salvador

Search Deals

23/11-31/12
1 total stop
25h 35m total
London to El Salvador

Search Deals

Highest demand for flights based on searches. 3% potential increase in price (£22 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease (£10 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 6/10

22:05-06:30

1 stop15h 25m

San Salvador El Salvador Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£478

LondonSan Salvador

LHR London Heathrow - SAL San Salvador El Salvador Intl

LHRSAL

London Heathrow

Sat 10/10

22:05-16:30

2 stops25h 25m

San Salvador El Salvador Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£504

LondonSan Salvador

LHR London Heathrow - SAL San Salvador El Salvador Intl

LHRSAL

London Heathrow

Sat 9/1

21:35-21:05

2 stops29h 30m

San Salvador El Salvador Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£517

LondonSan Salvador

LHR London Heathrow - SAL San Salvador El Salvador Intl

LHRSAL

London Heathrow

Sat 31/10

21:35-21:45

1 stop30h 10m

San Salvador El Salvador Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£522

Fastest return journey

LondonSan Salvador

LHR London Heathrow - SAL San Salvador El Salvador Intl

LHRSAL

London Heathrow

Thu 29/10

21:35-06:35

1 stop15h 00m

San Salvador El Salvador Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£522

LondonSan Salvador

LHR London Heathrow - SAL San Salvador El Salvador Intl

LHRSAL

London Heathrow

Wed 4/11

21:35-21:05

2 stops29h 30m

San Salvador El Salvador Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£533

LondonSan Salvador

LHR London Heathrow - SAL San Salvador El Salvador Intl

LHRSAL

London Heathrow

Fri 30/10

21:35-15:40

1 stop24h 05m

San Salvador El Salvador Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£552

LondonSan Salvador

LHR London Heathrow - SAL San Salvador El Salvador Intl

LHRSAL

London Heathrow

Wed 28/10

07:30-21:47

2 stops20h 17m

San Salvador El Salvador Intl

Wed 4/11

07:00-10:15

1 stop21h 15m

£555

LondonSan Salvador

LHR London Heathrow - SAL San Salvador El Salvador Intl

LHRSAL

London Heathrow

Tue 6/10

22:30-14:10

1 stop22h 40m

San Salvador El Salvador Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£563

LondonSan Salvador

LHR London Heathrow - SAL San Salvador El Salvador Intl

LHRSAL

London Heathrow

Thu 19/11

08:00-21:19

2 stops19h 19m

San Salvador El Salvador Intl

Mon 23/11

07:00-05:55

2 stops16h 55m

£579

Flights are sorted by cheapest return flights first.

Deals found on 24/9

Showing 1-10 of 19 resultsSorted by cheapest first

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.

LHR-SAL

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

LHR-SV0

LHR-SAL

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 £619). Flying from London Heathrow Airport to El Salvador in September is currently the most expensive (average of £894). 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 56 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

10,251 reviews

Check prices

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

10,251 reviews

United Airlines

7.4

Good

10,251 reviews

Check prices

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

11,703 reviews

United Airlines

7.4

Good

10,251 reviews

Check prices

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

8,247 reviews

United Airlines

7.4

Good

10,251 reviews

Check prices

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

2,554 reviews

United Airlines

7.4

Good

10,251 reviews

Check prices

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 17m. 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 £619). Flying from London Heathrow Airport to El Salvador in September is currently the most expensive (average of £894). 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

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Top 4 airlines flying from Heathrow to El Salvador

Airline	Cheapest	Average	Flexibility	On-time
Avianca	Cheapest£523	Average£626	FlexibilityNo cancel fee	On-time71%	Search Avianca flights
United Airlines	Cheapest£563	Average£719	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Lufthansa	Cheapest£603	Average£702	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
Air Canada	Cheapest£649	Average£808	FlexibilityNo cancel fee	On-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.

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

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 23/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Heathrow to El Salvador

Cheapest flights from Heathrow to El SalvadorExplore 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 28 September 2026.

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 28 September 2026.

Best flights from Heathrow to El SalvadorDiscover carefully curated flight deals from Heathrow to El Salvador that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 28 September 2026.

Discover carefully curated flight deals from Heathrow to El Salvador that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 28 September 2026.

Last-minute flights from Heathrow to El SalvadorDiscover last-minute flight deals from Heathrow to El Salvador. Data last updated 28 September 2026 and is based on user searches.

Discover last-minute flight deals from Heathrow to El Salvador. Data last updated 28 September 2026 and is based on user searches.

One-way flights from Heathrow to El SalvadorSearch for one-way flight options from Heathrow to El Salvador. Find affordable one-way fares based on user searches. Data last updated 28 September 2026.

Search for one-way flight options from Heathrow to El Salvador. Find affordable one-way fares based on user searches. Data last updated 28 September 2026.

Find flight deals from Heathrow to El Salvador

Round-trip from

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Popular in

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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.

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.

Cheapflights Insights

What is the cheapest month to book a flight from London Heathrow Airport to El Salvador?

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 56 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.

Related info for your journey

How long is the flight from London Heathrow Airport to El Salvador?

Can I find deals for flights from Heathrow to El Salvador that include hotel bookings?

How can I find direct flights from Heathrow to El Salvador?

Can I find deals for business class flights from Heathrow to El Salvador?

What is the cheapest month to book a flight from London Heathrow Airport to El Salvador?

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.

Alternative routes for Heathrow to El Salvador

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to El Salvador by adding a car hire and/or hotel booking to your travel itinerary.

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Book a non-stop flight to one of these other cities located in .

Search flights from Heathrow to El Salvador by cabin class

Find flights from Heathrow to El Salvador, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Heathrow and El Salvador flights

Browse other Heathrow and El Salvador flight options. Last updated on 28 September 2026.

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Top 4 airlines flying from Heathrow to El Salvador

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How does Cheapflights help users find flights from Heathrow to El Salvador?

Why should you use Cheapflights to find cheap flight tickets from Heathrow to El Salvador?

Can Cheapflights find flights from Heathrow to El Salvador with no change fees?

Can Cheapflights notify me if prices for flights from Heathrow to El Salvador become cheaper?

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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 28 September 2026.

Best flights from Heathrow to El Salvador
Discover carefully curated flight deals from Heathrow to El Salvador that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 28 September 2026.

Last-minute flights from Heathrow to El Salvador
Discover last-minute flight deals from Heathrow to El Salvador. Data last updated 28 September 2026 and is based on user searches.

One-way flights from Heathrow to El Salvador
Search for one-way flight options from Heathrow to El Salvador. Find affordable one-way fares based on user searches. Data last updated 28 September 2026.