How long is the flight from San Salvador to London?

Airlines like KLM fly from San Salvador to London in about 15h 01m. The time it takes to get you to your destination can typically vary by up to . The distance between San Salvador and London is about 5431 mi.

In terms of precipitation, rainfall in London 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 when rainfall is around 40.0 mm.

If weather is an important factor for your trip to London, 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 are the most popular routes from San Salvador to London?

While some choose either San Salvador El Salvador Intl - London Gatwick or San Salvador El Salvador Intl - London City, San Salvador El Salvador Intl - London Heathrow is the most popular route from San Salvador to London.

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

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 as you normally would.

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

For a flight from San Salvador to London, you will be flying from El Salvador Intl. San Salvador El Salvador Intl (SAL) is just 20.5 mi from the center of the city. El Salvador Intl is the only San Salvador airport and it handles 0 outbound flights to London per day. 0 airlines have flights to London from San Salvador El Salvador Intl on a regular basis.

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

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

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

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

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

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

£382+ Cheap Flights from San Salvador to London

Cheap flight deals from San Salvador to London

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from San Salvador to London
Explore the most affordable flight options available from San Salvador to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 October 2026.

Sun 15/1103:45 -

2 stops32h 15m

Mon 23/1109:55 -

1 stop25h 35m

Deal found 10/10£601

Sun 8/1103:45 -

1 stop34h 20m

Mon 16/1115:30 -

2 stops20h 00m

Deal found 8/10£658

Mon 2/1114:57 -

2 stops19h 08m

Thu 19/1106:30 -

2 stops20h 07m

Deal found 8/10£732

Tue 24/1114:39 -

1 stop15h 01m

Thu 21/111:30 -

2 stops18h 05m

Deal found 8/10£734

Mon 2/1113:55 -

2 stops36h 00m

Thu 19/1108:55 -

2 stops20h 40m

Deal found 8/10£737

Wed 14/1013:57 -

1 stop16h 18m

Wed 21/1009:55 -

2 stops33h 37m

Deal found 9/10£749

Sat 7/1114:57 -

1 stop14h 43m

Sat 14/1114:05 -

2 stops29h 09m

Deal found 7/10£749

Fri 6/1114:57 -

1 stop14h 43m

Fri 13/1116:00 -

1 stop27h 14m

Deal found 8/10£753

Mon 16/1113:55 -

2 stops20h 40m

Sat 21/1114:05 -

2 stops29h 09m

Deal found 8/10£757

Wed 18/1113:55 -

2 stops20h 10m

Wed 25/1112:40 -

1 stop30h 34m

Deal found 11/10£759

Fri 6/1113:55 -

2 stops20h 40m

Fri 13/1116:00 -

1 stop27h 14m

Deal found 8/10£761

Find flight deals from San Salvador to London

Round-trip from	£592
One-way from	£382
Popular in	July
Cheapest in	February
Average price	£826

21/2-7/3
2 total stops
62h 05m total
San Salvador to London

Search Deals

2/3-31/12
3 total stops
59h 03m total
San Salvador to London

Search Deals

Highest demand for flights based on searches. 8% potential increase in price (£58 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£13 potential savings vs. average return price).

Search Deals

Average for round-trip flights in October 2026

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from San Salvador to London 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

Tue 23/2

19:47-12:50

2 stops35h 03m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£385

San SalvadorLondon

SAL San Salvador El Salvador Intl - LHR London Heathrow

SALLHR

San Salvador El Salvador Intl

Wed 3/3

15:08-15:05

1 stop17h 57m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£480

Fastest return journey

San SalvadorLondon

SAL San Salvador El Salvador Intl - LHR London Heathrow

SALLHR

San Salvador El Salvador Intl

Sun 28/2

14:35-11:40

1 stop15h 05m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£493

San SalvadorLondon

SAL San Salvador El Salvador Intl - LHR London Heathrow

SALLHR

San Salvador El Salvador Intl

Sat 6/3

14:35-17:00

2 stops20h 25m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£517

San SalvadorLondon

SAL San Salvador El Salvador Intl - LHR London Heathrow

SALLHR

San Salvador El Salvador Intl

Wed 23/12

14:50-14:35

1 stop17h 45m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£619

San SalvadorLondon

SAL San Salvador El Salvador Intl - LHR London Heathrow

SALLHR

San Salvador El Salvador Intl

Fri 25/12

14:01-15:30

3 stops43h 29m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£636

San SalvadorLondon

SAL San Salvador El Salvador Intl - LHR London Heathrow

SALLHR

San Salvador El Salvador Intl

Mon 16/11

14:39-11:40

1 stop15h 01m

London Heathrow

Sat 21/11

11:15-13:14

2 stops31h 59m

£749

San SalvadorLondon

SAL San Salvador El Salvador Intl - LHR London Heathrow

SALLHR

San Salvador El Salvador Intl

Wed 18/11

13:55-16:05

2 stops20h 10m

London Heathrow

Wed 25/11

12:40-13:14

1 stop30h 34m

£759

San SalvadorLondon

SAL San Salvador El Salvador Intl - LHR London Heathrow

SALLHR

San Salvador El Salvador Intl

Sun 3/1

03:45-20:05

1 stop34h 20m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£821

San SalvadorLondon

SAL San Salvador El Salvador Intl - LHR London Heathrow

SALLHR

San Salvador El Salvador Intl

Thu 21/1

09:55-16:00

3 stops24h 05m

London Heathrow

Tue 26/1

19:30-22:05

2 stops32h 35m

£947

Flights are sorted by cheapest return flights first.

Deals found on 7/10

Showing 1-10 of 15 resultsSorted by cheapest first

Best time to book a flight from San Salvador to London

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

SAL-LON

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

SAL-LON

SAL-LHR

What is the cheapest month to book a flight from San Salvador to London?

Currently, November is the cheapest month in which you can book a flight from San Salvador to London (average of £789). Flying from San Salvador to London in January is currently the most expensive (average of £1,035). 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 much does it cost for a return flight from San Salvador to London?

Airfare is below average for this route at the moment.

San Salvador to London flights typically cost between £711 and £868 in February.
The cheapest return price found within the last 5 days was £592 on Multiple Airlines (21 Feb–7 Mar).

Related info for your journey

What airport do you fly from for flights from San Salvador to London?
For a flight from San Salvador to London, you will be flying from El Salvador Intl. San Salvador El Salvador Intl (SAL) is just 20.5 mi from the center of the city. El Salvador Intl is the only San Salvador airport and it handles 0 outbound flights to London per day. 0 airlines have flights to London from San Salvador El Salvador Intl on a regular basis.
How long is the flight from San Salvador to London?
Airlines like KLM fly from San Salvador to London in about 15h 01m. The time it takes to get you to your destination can typically vary by up to . The distance between San Salvador and London is about 5431 mi.
What are the most popular routes from San Salvador to London?
While some choose either San Salvador El Salvador Intl - London Gatwick or San Salvador El Salvador Intl - London City, San Salvador El Salvador Intl - London Heathrow is the most popular route from San Salvador to London.
Can I find deals for flights from San Salvador to London that include hotel bookings?
Yes. In addition to deals on San Salvador to London flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from San Salvador to London?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Salvador to London.
Can I find deals for business class flights from San Salvador to London?
Yes. Cheapflights offers flight deals from San Salvador to London 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 San Salvador to London?
Currently, November is the cheapest month in which you can book a flight from San Salvador to London (average of £789). Flying from San Salvador to London in January is currently the most expensive (average of £1,035). 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.

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Why should you use Cheapflights to find cheap flight tickets from San Salvador to London?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from San Salvador to London.

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

Yes! Cheapflights helps users easily find flights from San Salvador to London with no change fees.

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

Not ready to book yet? You can track prices for flights from San Salvador to London on Cheapflights with our Price Alert feature and get notified when better prices are available.

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Cheap flights from San Salvador to London from £382

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/3. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from San Salvador to London

Cheapest flights from San Salvador to LondonExplore the most affordable flight options available from San Salvador to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 October 2026.

Explore the most affordable flight options available from San Salvador to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 October 2026.

Best flights from San Salvador to LondonDiscover carefully curated flight deals from San Salvador to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 12 October 2026.

Discover carefully curated flight deals from San Salvador to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 12 October 2026.

Last-minute flights from San Salvador to LondonDiscover last-minute flight deals from San Salvador to London. Data last updated 12 October 2026 and is based on user searches.

Discover last-minute flight deals from San Salvador to London. Data last updated 12 October 2026 and is based on user searches.

One-way flights from San Salvador to LondonSearch for one-way flight options from San Salvador to London. Find affordable one-way fares based on user searches. Data last updated 12 October 2026.

Search for one-way flight options from San Salvador to London. Find affordable one-way fares based on user searches. Data last updated 12 October 2026.

Find flight deals from San Salvador to London

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Cheapflights Fare Finder

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

Best time to book a flight from San Salvador to London

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

Cheapflights Insights

What is the cheapest month to book a flight from San Salvador to London?

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

Airfare is below average for this route at the moment.

San Salvador to London flights typically cost between £711 and £868 in February.The cheapest return price found within the last 5 days was £592 on Multiple Airlines (21 Feb–7 Mar).

Related info for your journey

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

How long is the flight from San Salvador to London?

What are the most popular routes from San Salvador to London?

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

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

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

What is the cheapest month to book a flight from San Salvador to London?

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Explore flights to London departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 12 October 2026.

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Why should you use Cheapflights to find cheap flight tickets from San Salvador to London?

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

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

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Travel Smart

Cheapest flights from San Salvador to London
Explore the most affordable flight options available from San Salvador to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 October 2026.

Best flights from San Salvador to London
Discover carefully curated flight deals from San Salvador to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 12 October 2026.

Last-minute flights from San Salvador to London
Discover last-minute flight deals from San Salvador to London. Data last updated 12 October 2026 and is based on user searches.

One-way flights from San Salvador to London
Search for one-way flight options from San Salvador to London. Find affordable one-way fares based on user searches. Data last updated 12 October 2026.

San Salvador to London flights typically cost between £711 and £868 in February.
The cheapest return price found within the last 5 days was £592 on Multiple Airlines (21 Feb–7 Mar).