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Cheap flights from London to San Salvador from £298

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 25/4. Fares are subject to change and may not be available on all flights or dates of travel.
LON — SAL
13 Feb — 20 Feb1
1 adult
1 adult, Economy, 0 bags

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 14 January 2026.

Round-trip from

£534

One-way from

£298

Popular in

December

Cheapest in

February

Average price

£678
21/4-6/5
  • 21/4-6/5
  • 3 total stops
  • 66h 15m total
  • London to San Salvador
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25/4
  • 25/4
  • 1 total stop
  • 33h 25m total
  • London to San Salvador
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (£37 potential increase over avg. return price).
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Cheapest flight prices on average. 1% potential price decrease (£8 potential savings vs. average return price).
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Average for round-trip flights in January 2026
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Find flight deals from London to San Salvador

Enter your travel dates to find the best prices.

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 14 January 2026.

Tue 21/413:00
LGW
-
SAL
2 stops38h 15m
Multiple Airlines
Wed 6/519:20
SAL
-
LGW
1 stop28h 00m
Multiple Airlines
Deal found 11/1£534
Wed 28/121:40
LHR
-
SAL
1 stop24h 00m
Avianca
Tue 3/208:00
SAL
-
LHR
1 stop24h 35m
Avianca
Deal found 12/1£545
Sun 8/321:40
LHR
-
SAL
1 stop24h 00m
Avianca
Sun 22/308:00
SAL
-
LHR
1 stop24h 35m
Avianca
Deal found 12/1£553
Sun 25/109:25
LHR
-
SAL
1 stop18h 54m
Multiple Airlines
Mon 2/205:30
SAL
-
LHR
2 stops24h 15m
Multiple Airlines
Deal found 12/1£558
Tue 20/108:10
STN
-
SAL
3 stops44h 09m
Multiple Airlines
Mon 2/207:34
SAL
-
STN
3 stops34h 21m
Multiple Airlines
Deal found 12/1£563
Sun 19/413:05
LGW
-
SAL
1 stop24h 25m
Multiple Airlines
Wed 6/508:45
SAL
-
LGW
1 stop18h 15m
Multiple Airlines
Deal found 11/1£567
Fri 27/214:00
LGW
-
SAL
2 stops29h 36m
Multiple Airlines
Fri 6/308:05
SAL
-
LGW
1 stop15h 55m
Multiple Airlines
Deal found 13/1£568
Mon 20/413:05
LGW
-
SAL
1 stop24h 25m
Multiple Airlines
Wed 6/508:45
SAL
-
LGW
1 stop18h 15m
Multiple Airlines
Deal found 11/1£571
Fri 27/206:00
LHR
-
SAL
2 stops29h 39m
Multiple Airlines
Fri 6/317:54
SAL
-
LHR
2 stops30h 36m
Multiple Airlines
Deal found 13/1£571
Fri 6/213:00
LGW
-
SAL
2 stops27h 29m
Multiple Airlines
Mon 30/322:35
SAL
-
LGW
1 stop24h 45m
Multiple Airlines
Deal found 12/1£580
Mon 20/422:05
LHR
-
SAL
1 stop25h 15m
Avianca
Sun 3/510:15
SAL
-
LHR
1 stop22h 20m
Avianca
Deal found 11/1£582
Wed 22/413:05
LGW
-
SAL
1 stop23h 50m
Multiple Airlines
Wed 6/508:45
SAL
-
LGW
1 stop18h 15m
Multiple Airlines
Deal found 11/1£583

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 14 January 2026.
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

STN - SAL

STNSAL

London Stansted

Sun 25/1

07:40-22:19

3 stops44h 39m

San Salvador El Salvador Intl

Mon 2/2

07:34-23:55

3 stops34h 21m

£563

LondonSan Salvador

LGW - SAL

LGWSAL

London Gatwick

Fri 27/2

14:00-13:36

2 stops29h 36m

San Salvador El Salvador Intl

Fri 6/3

08:05-06:00

1 stop15h 55m

£568

LondonSan Salvador

LGW - SAL

LGWSAL

London Gatwick

Thu 29/1

14:00-10:05

2 stops50h 05m

San Salvador El Salvador Intl

Thu 5/2

22:40-06:00

1 stop25h 20m

£589

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Tue 7/4

22:05-16:20

1 stop25h 15m

San Salvador El Salvador Intl

Sat 2/5

22:05-15:35

1 stop34h 30m

£599

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Fri 17/4

22:05-09:15

1 stop18h 10m

San Salvador El Salvador Intl

Sat 2/5

22:05-15:35

1 stop34h 30m

£612

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Sun 19/4

07:25-20:49

2 stops20h 24m

San Salvador El Salvador Intl

Sun 3/5

15:40-06:45

2 stops32h 05m

£615

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Sun 19/4

07:25-20:49

2 stops20h 24m

San Salvador El Salvador Intl

Tue 5/5

13:50-07:40

1 stop34h 50m

£615

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Wed 22/4

07:25-20:49

2 stops20h 24m

San Salvador El Salvador Intl

Sun 3/5

02:00-06:45

2 stops21h 45m

£615

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Sun 19/4

07:25-20:49

2 stops20h 24m

San Salvador El Salvador Intl

Thu 30/4

02:00-12:20

2 stops27h 20m

£615

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Sun 19/4

07:25-20:49

2 stops20h 24m

San Salvador El Salvador Intl

Mon 4/5

13:50-11:35

1 stop14h 45m

£615

Flights are sorted by cheapest return flights first.

Deals found on 11/1

Showing 1-10 of 45 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 9 January 2026.

To ensure you get the cheapest price possible for a flight from London to San Salvador, you should look to book at least 52 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 month to book a flight from London to San Salvador?

Currently, March is the cheapest month in which you can book a flight from London to San Salvador (average of £501). Flying from London to San Salvador in December is currently the most expensive (average of £622). 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 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 41% 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.

Dallas (DFW) is the most affordable one-stop option, with an average return flight price of £496.

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 10m.

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 18m.

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 14 January 2026.
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.
KLM
7.7
Good
1,437 reviews
Check prices

Boarding

7.7

Food

7.2

Entertainment

7.1

Overall

7.7

Crew

8.4

Comfort

7.6

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
KLM
7.7
Good
1,437 reviews
KLM
7.7
Good
1,437 reviews
Check prices

Boarding

7.7

Food

7.2

Entertainment

7.1

Overall

7.7

Crew

8.4

Comfort

7.6

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
United Airlines
7.4
Good
9,157 reviews
KLM
7.7
Good
1,437 reviews
Check prices

Boarding

7.7

Food

7.2

Entertainment

7.1

Overall

7.7

Crew

8.4

Comfort

7.6

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
Air Canada
7.1
Good
10,620 reviews
KLM
7.7
Good
1,437 reviews
Check prices

Boarding

7.7

Food

7.2

Entertainment

7.1

Overall

7.7

Crew

8.4

Comfort

7.6

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
Lufthansa
6.8
Okay
7,711 reviews
KLM
7.7
Good
1,437 reviews
Check prices

Boarding

7.7

Food

7.2

Entertainment

7.1

Overall

7.7

Crew

8.4

Comfort

7.6

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
Avianca
6.6
Okay
2,489 reviews
KLM
7.7
Good
1,437 reviews
Check prices

Boarding

7.7

Food

7.2

Entertainment

7.1

Overall

7.7

Crew

8.4

Comfort

7.6

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.

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 20h 24m. London and San Salvador are separated by a distance of 5431 mi. This flight may include one or multiple stops.

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

    Currently priced at £492, 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 United Airlines and KLM - these airlines can fly you to your destination from £544 and £548, 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?

    The most popular route from London to San Salvador is London Heathrow - San Salvador El Salvador Intl. You may also consider London Gatwick - San Salvador El Salvador Intl or London City - San Salvador El Salvador Intl.

  • 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.

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

    Currently, March is the cheapest month in which you can book a flight from London to San Salvador (average of £501). Flying from London to San Salvador in December is currently the most expensive (average of £622). 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

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.

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 14 January 2026.
AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest£492Average£579FlexibilityNo cancel feeOn-time71%
Search Avianca flights
United AirlinesCheapest£544Average£648FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
KLMCheapest£548Average£571FlexibilityNo cancel feeOn-time75%
Search KLM flights
LufthansaCheapest£561Average£630FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air CanadaCheapest£595Average£784FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
IberiaCheapest£1,086Average£1,227FlexibilityNo 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?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to San Salvador from London today with Cheapflights!

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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