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Cheap flights from London to San Salvador from £326

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 27/4. Fares are subject to change and may not be available on all flights or dates of travel.
LON — SAL
26 Mar — 2 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap 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 24 February 2026.

Wed 4/1121:40
LHR
-
SAL
1 stop19h 25m
Avianca
Mon 16/1112:05
SAL
-
LHR
1 stop20h 30m
Avianca
Deal found 22/2£577
Thu 5/1121:40
LHR
-
SAL
1 stop24h 00m
Avianca
Sat 14/1112:05
SAL
-
LHR
1 stop20h 30m
Avianca
Deal found 21/2£582
Mon 1/622:05
LHR
-
SAL
2 stops30h 00m
Avianca
Tue 30/612:05
SAL
-
LHR
1 stop20h 30m
Avianca
Deal found 22/2£585
Sun 15/317:00
LHR
-
SAL
2 stops24h 37m
Multiple Airlines
Wed 15/413:19
SAL
-
LHR
2 stops16h 31m
Multiple Airlines
Deal found 23/2£591
Tue 7/407:25
LHR
-
SAL
2 stops20h 24m
Lufthansa
Sat 2/506:00
SAL
-
LHR
1 stop18h 40m
Lufthansa
Deal found 20/2£591
Mon 23/317:00
LHR
-
SAL
2 stops24h 37m
American Airlines
Tue 14/413:19
SAL
-
LHR
1 stop14h 46m
American Airlines
Deal found 21/2£598
Thu 12/318:00
LHR
-
SAL
1 stop33h 47m
Lufthansa
Sun 22/322:54
SAL
-
LHR
1 stop25h 26m
Lufthansa
Deal found 21/2£602
Tue 10/311:55
LGW
-
SAL
2 stops23h 17m
Multiple Airlines
Tue 17/309:35
SAL
-
LGW
2 stops19h 20m
Multiple Airlines
Deal found 23/2£661
Tue 7/413:15
STN
-
SAL
3 stops33h 25m
Multiple Airlines
Tue 14/409:35
SAL
-
STN
3 stops31h 35m
Multiple Airlines
Deal found 20/2£676
Fri 10/410:00
LGW
-
SAL
2 stops17h 56m
Multiple Airlines
Tue 21/407:35
SAL
-
LGW
2 stops25h 50m
Multiple Airlines
Deal found 20/2£679
Wed 11/308:30
LGW
-
SAL
2 stops38h 00m
Multiple Airlines
Sun 22/322:40
SAL
-
LGW
1 stop25h 20m
Multiple Airlines
Deal found 21/2£710
Sun 15/306:10
LGW
-
SAL
3 stops34h 55m
Multiple Airlines
Wed 15/409:35
SAL
-
LGW
3 stops23h 45m
Multiple Airlines
Deal found 23/2£722

Find 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 24 February 2026.

Round-trip from

£582

One-way from

£326

Popular in

December

Cheapest in

March

Average price

£616
Avianca
  • Avianca
  • 1/6-30/6
  • 2 total stops
  • 40h 30m total
  • London to San Salvador
Search Deals
27/4
  • 27/4
  • 3 total stops
  • 33h 50m total
  • London to San Salvador
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (£40 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£8 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

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 24 February 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

LHR - SAL

LHRSAL

London Heathrow

Thu 26/3

12:05-12:19

1 stop30h 14m

San Salvador El Salvador Intl

Wed 15/4

06:16-08:20

2 stops19h 04m

£628

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Tue 10/3

08:00-20:19

2 stops18h 19m

San Salvador El Salvador Intl

Tue 17/3

05:55-10:25

2 stops22h 30m

£628

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Thu 19/3

12:05-14:24

2 stops32h 19m

San Salvador El Salvador Intl

Sun 29/3

13:50-11:35

1 stop14h 45m

£630

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Thu 23/4

10:00-20:49

1 stop17h 49m

San Salvador El Salvador Intl

Mon 27/4

06:00-11:45

2 stops22h 45m

£639

LondonSan Salvador

STN - SAL

STNSAL

London Stansted

Tue 7/4

13:15-15:40

3 stops33h 25m

San Salvador El Salvador Intl

Tue 14/4

09:35-00:10

3 stops31h 35m

£676

LondonSan Salvador

LGW - SAL

LGWSAL

London Gatwick

Tue 10/3

09:00-14:13

2 stops35h 13m

San Salvador El Salvador Intl

Tue 17/3

11:50-07:10

1 stop13h 20m

£693

LondonSan Salvador

LGW - SAL

LGWSAL

London Gatwick

Fri 10/4

10:00-08:55

3 stops29h 55m

San Salvador El Salvador Intl

Tue 21/4

07:30-16:25

3 stops25h 55m

£707

LondonSan Salvador

LGW - SAL

LGWSAL

London Gatwick

Wed 11/3

08:30-16:30

2 stops38h 00m

San Salvador El Salvador Intl

Sun 22/3

22:40-06:00

1 stop25h 20m

£710

LondonSan Salvador

STN - SAL

STNSAL

London Stansted

Fri 14/8

06:45-11:05

3 stops35h 20m

San Salvador El Salvador Intl

Wed 19/8

09:10-22:25

3 stops30h 15m

£749

LondonSan Salvador

LCY - SAL

LCYSAL

London City

Fri 10/4

09:20-23:36

2 stops21h 16m

San Salvador El Salvador Intl

Tue 21/4

14:02-16:40

2 stops19h 38m

£754

Flights are sorted by cheapest return flights first.

Deals found on 24/2

Showing 1-10 of 52 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 20 February 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 £620). 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 42% 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 £494.

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 Madrid (MAD) offer the fastest connection on this route, with an average stopover time of 1h 30m.

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 24 February 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
1,460 reviews
Check prices

Comfort

7.6

Food

7.3

Overall

7.7

Crew

8.4

Boarding

7.8

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
KLM
7.7
Good
1,460 reviews
KLM
7.7
Good
1,460 reviews
Check prices

Comfort

7.6

Food

7.3

Overall

7.7

Crew

8.4

Boarding

7.8

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
United Airlines
7.4
Good
9,346 reviews
KLM
7.7
Good
1,460 reviews
Check prices

Comfort

7.6

Food

7.3

Overall

7.7

Crew

8.4

Boarding

7.8

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Air Canada
7.1
Good
10,745 reviews
KLM
7.7
Good
1,460 reviews
Check prices

Comfort

7.6

Food

7.3

Overall

7.7

Crew

8.4

Boarding

7.8

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Lufthansa
6.8
Okay
7,809 reviews
KLM
7.7
Good
1,460 reviews
Check prices

Comfort

7.6

Food

7.3

Overall

7.7

Crew

8.4

Boarding

7.8

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Avianca
6.6
Okay
2,497 reviews
KLM
7.7
Good
1,460 reviews
Check prices

Comfort

7.6

Food

7.3

Overall

7.7

Crew

8.4

Boarding

7.8

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

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 21h 16m. London and San Salvador are separated by a distance of 5452 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 £500, 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 £542 and £553, 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 £620). 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 24 February 2026.
AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest£500Average£577FlexibilityNo cancel feeOn-time71%
Search Avianca flights
United AirlinesCheapest£542Average£653FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
KLMCheapest£553Average£633FlexibilityNo cancel feeOn-time75%
Search KLM flights
LufthansaCheapest£585Average£631FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air CanadaCheapest£597Average£782FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
IberiaCheapest£1,083Average£1,224FlexibilityNo 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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