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Cheap flights from San Salvador to London from £237

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 17/11. Fares are subject to change and may not be available on all flights or dates of travel.
SAL — LON
7 Dec — 14 Dec1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from San Salvador El Salvador Intl to London are usually found in February or September, booked 26 days in advance, depart on a Tuesday or Saturday and return on a Wednesday

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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 7 November 2025.

Tue 9/1208:05SAL - LGW
1 stop15h 55mMultiple Airlines
Thu 15/109:10LGW - SAL
2 stops39h 55mMultiple Airlines
Deal found 5/11£490
Mon 8/1218:30SAL - LGW
1 stop29h 30mMultiple Airlines
Wed 14/121:05LGW - SAL
2 stops52h 00mMultiple Airlines
Deal found 6/11£492
Tue 9/1208:05SAL - LGW
1 stop15h 55mMultiple Airlines
Mon 12/113:00LGW - SAL
1 stop26h 55mMultiple Airlines
Deal found 5/11£510
Tue 9/1208:05SAL - LGW
1 stop15h 55mMultiple Airlines
Fri 16/114:00LGW - SAL
2 stops56h 31mMultiple Airlines
Deal found 5/11£511
Fri 5/1208:05SAL - LGW
1 stop15h 55mMultiple Airlines
Thu 15/109:10LGW - SAL
2 stops39h 55mMultiple Airlines
Deal found 5/11£516
Tue 9/1208:05SAL - LGW
1 stop15h 55mMultiple Airlines
Tue 13/113:00LGW - SAL
1 stop26h 55mMultiple Airlines
Deal found 5/11£525
Fri 5/1208:05SAL - LGW
1 stop15h 55mMultiple Airlines
Mon 12/113:00LGW - SAL
1 stop26h 55mMultiple Airlines
Deal found 5/11£530
Tue 9/1208:05SAL - LGW
1 stop15h 55mMultiple Airlines
Wed 14/109:50LGW - SAL
2 stops30h 05mMultiple Airlines
Deal found 5/11£533
Tue 9/1208:05SAL - LGW
1 stop15h 55mMultiple Airlines
Sun 11/113:00LGW - SAL
1 stop26h 55mMultiple Airlines
Deal found 5/11£535
Wed 3/1207:34SAL - LHR
2 stops26h 16mMultiple Airlines
Wed 10/1207:40LHR - SAL
2 stops20h 39mMultiple Airlines
Deal found 5/11£589
Mon 8/1223:19SAL - LHR
1 stop25h 01mMultiple Airlines
Wed 14/112:40LHR - SAL
1 stop28h 13mMultiple Airlines
Deal found 6/11£591
Fri 7/1107:34SAL - LHR
1 stop17h 26mMultiple Airlines
Fri 14/1106:30LHR - SAL
2 stops21h 49mMultiple Airlines
Deal found 6/11£613

Cheap flight deals from San Salvador to London

Discover tips and strategies to find the most affordable flight options for your journey from San Salvador (SAL) to London (LON). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 7 November 2025.

Round-trip from

£490

One-way from

£237

Popular in

July

Cheapest in

February

Average price

£648
9/12-15/1
  • 9/12-15/1
  • 3 total stops
  • 55h 50m total
  • San Salvador to London
Search Deals
17/11
  • 17/11
  • 2 total stops
  • 29h 36m total
  • San Salvador to London
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£86 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 November 2025
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from San Salvador to London that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 7 November 2025.
Use the filters below to find and compare flights from San Salvador to London that are best for you.

Fly from

San Salvador

Fly to

London

Route

Depart

Return

Price

San SalvadorLondon

SAL - LGW

SALLGW

San Salvador El Salvador Intl

Tue 9/12

08:05-06:00

1 stop15h 55m

London Gatwick

Fri 16/1

14:00-16:31

2 stops56h 31m

£511

San SalvadorLondon

SAL - LGW

SALLGW

San Salvador El Salvador Intl

Mon 2/2

19:30-06:00

1 stop28h 30m

London Gatwick

Sun 15/2

13:00-19:05

1 stop36h 05m

£549

San SalvadorLondon

SAL - LGW

SALLGW

San Salvador El Salvador Intl

Fri 5/12

08:05-06:00

1 stop15h 55m

London Gatwick

Mon 12/1

14:00-14:52

2 stops30h 52m

£554

San SalvadorLondon

SAL - LGW

SALLGW

San Salvador El Salvador Intl

Tue 17/2

08:05-06:00

1 stop15h 55m

London Gatwick

Tue 10/3

13:00-19:05

1 stop36h 05m

£555

San SalvadorLondon

SAL - LGW

SALLGW

San Salvador El Salvador Intl

Tue 9/12

08:05-06:00

1 stop15h 55m

London Gatwick

Tue 13/1

13:10-09:55

2 stops26h 45m

£558

San SalvadorLondon

SAL - LGW

SALLGW

San Salvador El Salvador Intl

Fri 5/12

08:05-06:00

1 stop15h 55m

London Gatwick

Wed 14/1

09:50-09:55

2 stops30h 05m

£558

San SalvadorLondon

SAL - LGW

SALLGW

San Salvador El Salvador Intl

Wed 10/12

08:05-06:00

1 stop15h 55m

London Gatwick

Tue 13/1

13:00-09:55

1 stop26h 55m

£562

San SalvadorLondon

SAL - LGW

SALLGW

San Salvador El Salvador Intl

Fri 5/12

08:05-06:00

1 stop15h 55m

London Gatwick

Sun 11/1

12:50-09:55

2 stops27h 05m

£563

San SalvadorLondon

SAL - LGW

SALLGW

San Salvador El Salvador Intl

Wed 10/12

08:05-06:00

1 stop15h 55m

London Gatwick

Sun 11/1

12:50-09:55

2 stops27h 05m

£580

San SalvadorLondon

SAL - LGW

SALLGW

San Salvador El Salvador Intl

Tue 28/4

22:55-06:20

1 stop24h 25m

London Gatwick

Sat 9/5

13:05-05:55

1 stop23h 50m

£580

Flights are sorted by cheapest return flights first.

Deals found on 6/11

Showing 1-10 of 60 results
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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.
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

How far ahead should I book a flight from San Salvador to London?

Use this chart to determine the optimal time to book a return flight from San Salvador to London. Price data was last updated on 31 October 2025.

Booking 24 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Salvador to London. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, October is the cheapest month in which you can book a flight from San Salvador to London (average of £568). Flying from San Salvador to London in June is currently the most expensive (average of £794). 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.

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

Find hourly flight availability from San Salvador to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 7 November 2025.

A simple way to save on the total cost of your ticket is to fly from San Salvador to London at midday. If you’re flexible enough to do this you can expect to save up to 44% on your trip compared to booking a flight in the afternoon.

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

What’s the top stopover airport for flights from San Salvador to London?

Share of one-stop return flights from San Salvador to London chosen by Cheapflights users in the past 12 months, using the same stopover each way.

Atlanta (ATL) – chosen by Cheapflights users on 50% of one-stop itineraries from San Salvador to London on Cheapflights.

What’s the cheapest stopover airport for flights from San Salvador to London?

Average return fare for one-stop flights from San Salvador to London, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

Toronto (YYZ) is the most affordable one-stop option, with an average return flight price of £578.

What’s the fastest stopover option from San Salvador to London?

Shortest average travel time for one-stop one-way flights from San Salvador to London, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Flights via Miami (MIA) have the shortest average one-way travel time for one-stop routes: 14h 29m.

Which airport typically offers the quickest stopover for flights from San Salvador to London?

Average stopover duration for one-stop one-way flights from San Salvador to London, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Toronto (YYZ) offer the fastest connection on this route, with an average stopover time of 2h 38m.

Related info for your journey

Find useful and relevant information for your journey from San Salvador to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • 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. 1 airline has 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 and United Airlines fly from San Salvador to London in about 15h 14m. The time it takes to get you to your destination can typically vary by up to 17h 36m. The distance between San Salvador and London is about 5431 mi. This flight may include one or multiple stops.

  • What is the cheapest airline to fly from San Salvador to London round-trip?

    According to our current data, Iberia (£807), offers the cheapest pricing from San Salvador to London.

  • 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, October is the cheapest month in which you can book a flight from San Salvador to London (average of £568). Flying from San Salvador to London in June is currently the most expensive (average of £794). 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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Alternative routes for San Salvador to London

See prices for flight routes from nearby airports that may be better suited for you.
San Salvador to Heathrow flights
San Salvador to Gatwick flights
San Salvador to Edinburgh flights

Top airline flying from San Salvador to London

Discover the top airline that operate flights from San Salvador to London. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 7 November 2025.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest£807Average£900FlexibilityNo cancel feeOn-time77%
Search Iberia flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Cheapflights helps you search for flights from San Salvador to London via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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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