Cheap flights from London to San Salvador from £299

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 4/9. Fares are subject to change and may not be available on all flights or dates of travel.
LON — SAL
3 Sep — 10 Sep1
1 adult

Cheapflights Tip: The best prices from London to San Salvador El Salvador Intl are usually found in October or February, booked 63 days in advance, depart on a Wednesday or Tuesday and return on a Tuesday

Cheap flight deals from London to San Salvador

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) to San Salvador (SAL). 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 29 August 2025.

Round-trip from

£474

One-way from

£299

Popular in

December

Cheapest in

October

Average price

£682
22/9-17/10
  • 22/9-17/10
  • 3 total stops
  • 44h 55m total
  • London to San Salvador
4/9
  • 4/9
  • 2 total stops
  • 29h 28m total
  • London to San Salvador
Highest demand for flights based on searches. 4% potential increase in price (£23 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£10 potential savings vs. average return price).
Average for round-trip flights in August 2025

Find flight deals from London to San Salvador

Cheapest flights from London to San Salvador
Explore the most affordable flight options available from London to San Salvador. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 August 2025.

Mon 22/910:00LGW - SAL
2 stops17h 05mMultiple Airlines
Fri 17/1019:30SAL - LGW
1 stop27h 50mMultiple Airlines
Deal found 28/8£474
Mon 22/910:00LGW - SAL
2 stops17h 05mMultiple Airlines
Thu 16/1022:55SAL - LGW
1 stop24h 25mMultiple Airlines
Deal found 28/8£483
Mon 22/910:00LGW - SAL
2 stops17h 05mMultiple Airlines
Fri 26/922:55SAL - LGW
1 stop24h 25mMultiple Airlines
Deal found 27/8£489
Wed 24/913:05LGW - SAL
1 stop27h 40mMultiple Airlines
Thu 16/1022:55SAL - LGW
1 stop24h 25mMultiple Airlines
Deal found 28/8£496
Wed 24/913:05LGW - SAL
1 stop27h 40mMultiple Airlines
Tue 14/1022:55SAL - LGW
1 stop24h 25mMultiple Airlines
Deal found 28/8£503
Fri 26/913:05LGW - SAL
1 stop23h 50mMultiple Airlines
Thu 16/1022:55SAL - LGW
1 stop24h 25mMultiple Airlines
Deal found 28/8£506
Tue 7/1015:05LGW - SAL
1 stop25h 40mMultiple Airlines
Tue 14/1019:30SAL - LGW
1 stop29h 40mMultiple Airlines
Deal found 27/8£509
Tue 7/1009:35LHR - SAL
1 stop31h 10mMultiple Airlines
Tue 14/1019:30SAL - LHR
2 stops28h 15mMultiple Airlines
Deal found 27/8£509
Thu 25/909:35LHR - SAL
1 stop27h 55mMultiple Airlines
Tue 14/1022:55SAL - LHR
2 stops24h 50mMultiple Airlines
Deal found 28/8£510
Thu 25/910:00LGW - SAL
1 stop36h 55mMultiple Airlines
Tue 14/1022:55SAL - LGW
1 stop24h 25mMultiple Airlines
Deal found 28/8£511
Fri 26/913:05LGW - SAL
1 stop23h 50mMultiple Airlines
Fri 17/1022:55SAL - LGW
1 stop24h 25mMultiple Airlines
Deal found 28/8£513
Mon 22/910:00LGW - SAL
2 stops17h 05mMultiple Airlines
Sun 12/1005:30SAL - LGW
2 stops22h 25mMultiple Airlines
Deal found 28/8£514

Cheapflights Fare Finder

 
Customise your flight search to find flights from London to San Salvador 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 29 August 2025.
Use the filters below to find and compare flights from London to San Salvador that are best for you.

Fly from

London

Fly to

San Salvador

Route

Depart

Return

Price

LondonSan Salvador

LGW - SAL

LGWSAL

London Gatwick

Mon 22/9

10:00-20:05

2 stops17h 05m

San Salvador El Salvador Intl

Tue 14/10

22:55-06:20

1 stop24h 25m

£474

LondonSan Salvador

LGW - SAL

LGWSAL

London Gatwick

Mon 22/9

10:00-20:05

2 stops17h 05m

San Salvador El Salvador Intl

Fri 17/10

19:30-06:20

1 stop27h 50m

£474

LondonSan Salvador

LGW - SAL

LGWSAL

London Gatwick

Mon 22/9

10:00-20:05

2 stops17h 05m

San Salvador El Salvador Intl

Thu 16/10

22:55-06:20

1 stop24h 25m

£483

LondonSan Salvador

LGW - SAL

LGWSAL

London Gatwick

Mon 22/9

10:00-20:05

2 stops17h 05m

San Salvador El Salvador Intl

Fri 26/9

22:55-06:20

1 stop24h 25m

£489

LondonSan Salvador

LGW - SAL

LGWSAL

London Gatwick

Wed 24/9

13:05-09:45

1 stop27h 40m

San Salvador El Salvador Intl

Thu 16/10

22:55-06:20

1 stop24h 25m

£496

LondonSan Salvador

LGW - SAL

LGWSAL

London Gatwick

Wed 24/9

13:05-09:45

1 stop27h 40m

San Salvador El Salvador Intl

Tue 14/10

22:55-06:20

1 stop24h 25m

£503

LondonSan Salvador

LGW - SAL

LGWSAL

London Gatwick

Wed 24/9

13:05-09:45

1 stop27h 40m

San Salvador El Salvador Intl

Fri 17/10

22:55-06:20

1 stop24h 25m

£503

LondonSan Salvador

LGW - SAL

LGWSAL

London Gatwick

Fri 26/9

13:05-05:55

1 stop23h 50m

San Salvador El Salvador Intl

Thu 16/10

22:55-06:20

1 stop24h 25m

£506

LondonSan Salvador

LGW - SAL

LGWSAL

London Gatwick

Tue 7/10

15:05-09:45

1 stop25h 40m

San Salvador El Salvador Intl

Tue 14/10

19:30-08:10

1 stop29h 40m

£509

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Tue 7/10

09:35-09:45

1 stop31h 10m

San Salvador El Salvador Intl

Tue 14/10

19:30-06:45

2 stops28h 15m

£509

Flights are sorted by cheapest return flights first.

Deals found on 28/8

Showing 1-10 of 57 results
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Best time to book a flight from London to San Salvador

Have a flexible travel schedule? Discover the best time to fly to San Salvador from London 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 London to San Salvador

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

Use this chart to determine the optimal time to book a return flight from London to San Salvador. Price data was last updated on 22 August 2025.

To ensure you get the cheapest price possible for a flight from London to San Salvador, you should look to book at least 63 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Find hourly flight availability from London to San Salvador. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 29 August 2025.

When flying from London to San Salvador, the time of day you fly usually plays a role in the price. Save by searching for a flight at midday, which can drop the price by up to 27% versus a flight in the evening.

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

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

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

Toronto (YYZ) – chosen by Cheapflights users on 46% of one-stop itineraries from London to San Salvador on Cheapflights.

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

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

Bogotá (BOG) is the most affordable one-stop option, with an average return flight price of £571.

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

Shortest average travel time for one-stop one-way flights from London to San Salvador, 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: 15h 08m.

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

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

Flights via Miami (MIA) offer the fastest connection on this route, with an average stopover time of 2h 15m.

Reviews of airlines servicing San Salvador

Get insights into the airlines that provide service to San Salvador. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Salvador. Reviews last updated 29 August 2025.
Get a feel of what it's like to fly with KLM, United Airlines, andAir Canada from London to San Salvador by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

7.3

Overall

7.8

Boarding

7.8

Crew

8.4

Entertainment

7.1

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Food

7.3

Overall

7.8

Boarding

7.8

Crew

8.4

Entertainment

7.1

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Food

7.3

Overall

7.8

Boarding

7.8

Crew

8.4

Entertainment

7.1

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Food

7.3

Overall

7.8

Boarding

7.8

Crew

8.4

Entertainment

7.1

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Food

7.3

Overall

7.8

Boarding

7.8

Crew

8.4

Entertainment

7.1

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Food

7.3

Overall

7.8

Boarding

7.8

Crew

8.4

Entertainment

7.1

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Related info for your journey

Find useful and relevant information for your journey from London to San Salvador. 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 into for flights to San Salvador from London?

    Most people fly into San Salvador El Salvador Intl (SAL) if they book a flight to San Salvador from London. On average, El Salvador Intl has 0 inbound flights from London per day from 6 airlines. San Salvador El Salvador Intl is conveniently located just 20.5 mi from San Salvador’s city center.

  • How long is the flight from London to San Salvador?

    Departing from London to San Salvador will take you 33h 27m. London and San Salvador are separated by a distance of 5452 mi.

  • What are the cheapest airlines flying from London to San Salvador round-trip?

    Currently priced at £489, Avianca will fly you from London to San Salvador and back. In addition to Avianca, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from KLM and Lufthansa - these airlines can fly you to your destination from £515 and £550, respectively. Avianca is 21% cheaper than the average price of flights available within the next 90 days to this destination.

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

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

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

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

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

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

    Yes. Cheapflights offers flight deals from London to San 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top 6 airlines flying from London to San Salvador

Discover the top 6 airlines that operate flights from London to San Salvador. 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 29 August 2025.
AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest£489Average£658FlexibilityNo cancel feeOn-time71%
Search Avianca flights
KLMCheapest£515Average£585FlexibilityNo cancel feeOn-time75%
Search KLM flights
LufthansaCheapest£550Average£615FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
United AirlinesCheapest£550Average£618FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapest£559Average£746FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
IberiaCheapest£787Average£1,223FlexibilityNo 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 London to San Salvador?

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

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 London to San Salvador.

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

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

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to San Salvador from London today and book when prices fit your budget.

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