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

A quick flight from San Salvador to London Heathrow Airport can take about 14h 23m. KLM provides one of the quickest options available for as low as £696. The distance between San Salvador and London Heathrow Airport is about 5431 mi.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from San Salvador to London Heathrow Airport as you normally would.

What airport do you fly from for flights from San Salvador to London Heathrow?

Located just 20.5 mi from the city center, San Salvador El Salvador Intl is the airport most travelers will use when flying to London Heathrow from San Salvador. Booking flights from El Salvador Intl (SAL) to London Heathrow should be relatively easy as there are 0 daily outbound flights to London Heathrow from 0 different airlines.

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

Yes. In addition to deals on San Salvador to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

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

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Salvador to Heathrow.

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

Yes. Cheapflights offers flight deals from San Salvador to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£405+ Cheap Flights from San Salvador to London Heathrow Airport

Cheap flight deals from San Salvador to Heathrow

Enter your travel dates to find the best prices.

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Cheapest flights from San Salvador to Heathrow
Explore the most affordable flight options available from San Salvador to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 September 2026.

Thu 15/1013:57 -

1 stop14h 23m

Thu 22/1009:55 -

2 stops33h 37m

Deal found 31/8£691

Sat 19/913:57 -

1 stop16h 18m

Thu 24/911:45 -

2 stops31h 46m

Deal found 2/9£693

Tue 15/913:57 -

1 stop16h 18m

Wed 23/911:45 -

2 stops31h 46m

Deal found 31/8£694

Mon 14/913:57 -

1 stop16h 18m

Wed 23/913:25 -

1 stop30h 06m

Deal found 3/9£696

Mon 2/1114:57 -

2 stops19h 08m

Sat 7/1114:05 -

2 stops29h 27m

Deal found 3/9£716

Find flight deals from San Salvador to Heathrow

Round-trip from	£691
One-way from	£405
Popular in	July
Cheapest in	October
Average price	£898

KLM
15/10-22/10
3 total stops
48h 00m total
San Salvador to London

Search Deals

11/12-31/12
3 total stops
47h 20m total
San Salvador to London

Search Deals

Highest demand for flights based on searches. 10% potential increase in price (£72 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£15 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 San Salvador to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

San SalvadorLondon

SAL San Salvador El Salvador Intl - LHR London Heathrow

SALLHR

San Salvador El Salvador Intl

Fri 11/12

07:30-12:50

3 stops47h 20m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£405

San SalvadorLondon

SAL San Salvador El Salvador Intl - LHR London Heathrow

SALLHR

San Salvador El Salvador Intl

Mon 21/9

13:57-13:15

1 stop16h 18m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£523

Fastest return journey

San SalvadorLondon

SAL San Salvador El Salvador Intl - LHR London Heathrow

SALLHR

San Salvador El Salvador Intl

Fri 18/9

22:49-21:25

1 stop15h 36m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£588

San SalvadorLondon

SAL San Salvador El Salvador Intl - LHR London Heathrow

SALLHR

San Salvador El Salvador Intl

Sun 20/9

13:57-13:15

1 stop16h 18m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£597

San SalvadorLondon

SAL San Salvador El Salvador Intl - LHR London Heathrow

SALLHR

San Salvador El Salvador Intl

Sat 19/9

13:57-13:15

1 stop16h 18m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£597

San SalvadorLondon

SAL San Salvador El Salvador Intl - LHR London Heathrow

SALLHR

San Salvador El Salvador Intl

Sun 20/9

13:57-11:20

1 stop14h 23m

London Heathrow

Tue 6/10

13:25-12:32

1 stop30h 07m

£696

San SalvadorLondon

SAL San Salvador El Salvador Intl - LHR London Heathrow

SALLHR

San Salvador El Salvador Intl

Sun 1/11

14:57-11:40

1 stop14h 43m

London Heathrow

Sun 8/11

16:00-13:14

1 stop27h 14m

£696

San SalvadorLondon

SAL San Salvador El Salvador Intl - LHR London Heathrow

SALLHR

San Salvador El Salvador Intl

Sat 19/9

13:57-13:15

1 stop16h 18m

London Heathrow

Thu 24/9

11:15-12:31

1 stop32h 16m

£697

San SalvadorLondon

SAL San Salvador El Salvador Intl - LHR London Heathrow

SALLHR

San Salvador El Salvador Intl

Tue 29/9

13:57-11:20

1 stop14h 23m

London Heathrow

Tue 6/10

15:15-12:32

1 stop28h 17m

£698

San SalvadorLondon

SAL San Salvador El Salvador Intl - LHR London Heathrow

SALLHR

San Salvador El Salvador Intl

Thu 1/10

13:50-11:35

1 stop14h 45m

London Heathrow

Thu 8/10

07:25-20:49

2 stops20h 24m

£842

Flights are sorted by cheapest return flights first.

Deals found on 31/8

Showing 1-10 of 15 resultsSorted by cheapest first

Best time to book a flight from San Salvador to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from San Salvador with our price prediction graph.

SAL-LHR

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 San Salvador to London Heathrow Airport

How much does it cost for a return flight from San Salvador to London Heathrow Airport?

Airfare is below average for this route at the moment.

San Salvador to London Heathrow Airport flights typically cost between £890 and £898 in October.
The cheapest return price found within the last 5 days was £691 on KLM (15 Oct–22 Oct).

Related info for your journey

What airport do you fly from for flights from San Salvador to London Heathrow?
Located just 20.5 mi from the city center, San Salvador El Salvador Intl is the airport most travelers will use when flying to London Heathrow from San Salvador. Booking flights from El Salvador Intl (SAL) to London Heathrow should be relatively easy as there are 0 daily outbound flights to London Heathrow from 0 different airlines.
How long is the flight from San Salvador to London Heathrow Airport?
A quick flight from San Salvador to London Heathrow Airport can take about 14h 23m. KLM provides one of the quickest options available for as low as £696. The distance between San Salvador and London Heathrow Airport is about 5431 mi.
Can I find deals for flights from San Salvador to Heathrow that include hotel bookings?
Yes. In addition to deals on San Salvador to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from San Salvador to Heathrow?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Salvador to Heathrow.
Can I find deals for business class flights from San Salvador to Heathrow?
Yes. Cheapflights offers flight deals from San Salvador to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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

Need flexible booking options for your flight to Heathrow from San Salvador? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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Cheap flights from San Salvador to London Heathrow Airport from £405

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/12. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from San Salvador to Heathrow

Cheapest flights from San Salvador to HeathrowExplore the most affordable flight options available from San Salvador to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 September 2026.

Explore the most affordable flight options available from San Salvador to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 September 2026.

Best flights from San Salvador to HeathrowDiscover carefully curated flight deals from San Salvador to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 4 September 2026.

Discover carefully curated flight deals from San Salvador to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 4 September 2026.

Last-minute flights from San Salvador to HeathrowDiscover last-minute flight deals from San Salvador to Heathrow. Data last updated 4 September 2026 and is based on user searches.

Discover last-minute flight deals from San Salvador to Heathrow. Data last updated 4 September 2026 and is based on user searches.

One-way flights from San Salvador to HeathrowSearch for one-way flight options from San Salvador to Heathrow. Find affordable one-way fares based on user searches. Data last updated 4 September 2026.

Search for one-way flight options from San Salvador to Heathrow. Find affordable one-way fares based on user searches. Data last updated 4 September 2026.

Find flight deals from San Salvador to Heathrow

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Cheapflights Fare Finder

Use the filters below to find and compare flights from San Salvador to London Heathrow Airport that are best for you.

Best time to book a flight from San Salvador to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from San Salvador with our price prediction graph.

Cheapflights Insights

How much does it cost for a return flight from San Salvador to London Heathrow Airport?

Airfare is below average for this route at the moment.

San Salvador to London Heathrow Airport flights typically cost between £890 and £898 in October.The cheapest return price found within the last 5 days was £691 on KLM (15 Oct–22 Oct).

Related info for your journey

What airport do you fly from for flights from San Salvador to London Heathrow?

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

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

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

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

Travelling to a place near London Heathrow Airport?

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 San Salvador to Heathrow

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Direct flights to England

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Other flights to Heathrow

Explore flights to Heathrow departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 4 September 2026.

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

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

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

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Cheapest flights from San Salvador to Heathrow
Explore the most affordable flight options available from San Salvador to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 September 2026.

Best flights from San Salvador to Heathrow
Discover carefully curated flight deals from San Salvador to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 4 September 2026.

Last-minute flights from San Salvador to Heathrow
Discover last-minute flight deals from San Salvador to Heathrow. Data last updated 4 September 2026 and is based on user searches.

One-way flights from San Salvador to Heathrow
Search for one-way flight options from San Salvador to Heathrow. Find affordable one-way fares based on user searches. Data last updated 4 September 2026.

San Salvador to London Heathrow Airport flights typically cost between £890 and £898 in October.
The cheapest return price found within the last 5 days was £691 on KLM (15 Oct–22 Oct).