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Cheap flights from London to San Salvador from £310

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London to San Salvador departing on 1/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from London to San Salvador

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
06:00 - 22:19
LHR
-
SAL
22h 19m
2 stops
Multiple Airlines Logo
06:34 - 19:15
SAL
-
LHR
30h 41m
2 stops
£518Multiple Airlines
Fri, 6 Mar - Mon, 16 Mar
Multiple Airlines Logo
09:20 - 22:19
LCY
-
SAL
18h 59m
2 stops
Multiple Airlines Logo
05:30 - 17:05
SAL
-
LCY
29h 35m
3 stops
£544Multiple Airlines
Fri, 6 Mar - Mon, 16 Mar
Multiple Airlines Logo
08:55 - 22:19
LHR
-
SAL
19h 24m
2 stops
Multiple Airlines Logo
05:30 - 07:00
SAL
-
LHR
19h 30m
2 stops
£544Multiple Airlines
Mon, 2 Mar - Mon, 9 Mar
Multiple Airlines Logo
06:00 - 22:19
LHR
-
SAL
22h 19m
2 stops
Multiple Airlines Logo
05:30 - 21:40
SAL
-
LHR
34h 10m
3 stops
£546Multiple Airlines
Mon, 2 Mar - Mon, 9 Mar
Avianca Logo
21:40 - 11:05
LHR
-
SAL
19h 25m
1 stop
Avianca Logo
12:05 - 14:35
SAL
-
LHR
20h 30m
1 stop
£575Avianca
Fri, 13 Mar - Mon, 23 Mar
Avianca Logo
21:40 - 11:05
LHR
-
SAL
19h 25m
1 stop
Avianca Logo
22:20 - 14:35
SAL
-
LHR
34h 15m
2 stops
£578Avianca
Fri, 13 Mar - Mon, 23 Mar
Lufthansa Logo
06:35 - 21:19
LHR
-
SAL
20h 44m
2 stops
Lufthansa Logo
13:50 - 20:35
SAL
-
LHR
24h 45m
2 stops
£579Lufthansa
Fri, 27 Feb - Wed, 18 Mar
Lufthansa Logo
07:25 - 20:49
LHR
-
SAL
20h 24m
2 stops
Lufthansa Logo
22:45 - 21:35
SAL
-
LHR
15h 50m
1 stop
£593Lufthansa
Tue, 7 Apr - Sat, 2 May
KLM Logo
07:45 - 20:39
LCY
-
SAL
18h 54m
2 stops
KLM Logo
14:13 - 16:35
SAL
-
LCY
20h 22m
2 stops
£857KLM
Fri, 13 Mar - Mon, 23 Mar
KLM Logo
07:45 - 20:39
LCY
-
SAL
18h 54m
2 stops
KLM Logo
13:45 - 16:35
SAL
-
LCY
20h 50m
2 stops
£889KLM
Fri, 13 Mar - Tue, 24 Mar

United Airlines flights from London to San Salvador

Our best United Airlines deals on London to San Salvador flight tickets
United Airlines
5 Mar
LHR06:35London Heathrow
20h 44m
2 stops
SAL21:19San Salvador El Salvador Intl
17 Mar
SAL05:55San Salvador El Salvador Intl
22h 55m
2 stops
LHR10:50London Heathrow
£603
United Airlines
8 Mar
LHR07:30London Heathrow
20h 17m
2 stops
SAL21:47San Salvador El Salvador Intl
17 Mar
SAL05:55San Salvador El Salvador Intl
19h 35m
1 stop
LHR07:30London Heathrow
£605
United Airlines
8 Mar
LHR06:50London Heathrow
20h 57m
2 stops
SAL21:47San Salvador El Salvador Intl
24 Mar
SAL15:40San Salvador El Salvador Intl
32h 15m
2 stops
LHR05:55London Heathrow
£605

KLM flights from London to San Salvador

Our best KLM deals on London to San Salvador flight tickets
KLM
13 Mar
LCY07:45London City
18h 54m
2 stops
SAL20:39San Salvador El Salvador Intl
23 Mar
SAL14:13San Salvador El Salvador Intl
20h 22m
2 stops
LCY16:35London City
£857
KLM
13 Mar
LCY07:45London City
18h 54m
2 stops
SAL20:39San Salvador El Salvador Intl
24 Mar
SAL13:45San Salvador El Salvador Intl
20h 50m
2 stops
LCY16:35London City
£889
KLM
12 Mar
LCY07:45London City
20h 25m
2 stops
SAL22:10San Salvador El Salvador Intl
23 Mar
SAL14:13San Salvador El Salvador Intl
20h 22m
2 stops
LCY16:35London City
£976

momondo 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, momondo users made 279,928 searches. Data last updated 2 February 2026.
Use the filters below to find and compare flights from London to San Salvador that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Fri 6/3

06:00-22:19

2 stops22h 19m

San Salvador El Salvador Intl

Mon 16/3

06:34-19:15

2 stops30h 41m

£518

LondonSan Salvador

LCY - SAL

LCYSAL

London City

Fri 6/3

09:20-22:19

2 stops18h 59m

San Salvador El Salvador Intl

Mon 16/3

05:30-17:05

3 stops29h 35m

£544

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Mon 2/3

08:55-22:19

2 stops19h 24m

San Salvador El Salvador Intl

Mon 9/3

05:30-07:00

2 stops19h 30m

£544

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Mon 2/3

06:00-22:19

2 stops22h 19m

San Salvador El Salvador Intl

Mon 9/3

05:30-21:40

3 stops34h 10m

£546

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Fri 13/3

21:40-11:05

1 stop19h 25m

San Salvador El Salvador Intl

Mon 23/3

12:05-14:35

1 stop20h 30m

£575

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Fri 13/3

21:40-11:05

1 stop19h 25m

San Salvador El Salvador Intl

Mon 23/3

22:20-14:35

2 stops34h 15m

£578

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Fri 27/2

06:35-21:19

2 stops20h 44m

San Salvador El Salvador Intl

Wed 18/3

13:50-20:35

2 stops24h 45m

£579

LondonSan Salvador

LHR - SAL

LHRSAL

London Heathrow

Tue 7/4

07:25-20:49

2 stops20h 24m

San Salvador El Salvador Intl

Sat 2/5

22:45-21:35

1 stop15h 50m

£593

LondonSan Salvador

LCY - SAL

LCYSAL

London City

Fri 13/3

07:45-20:39

2 stops18h 54m

San Salvador El Salvador Intl

Mon 23/3

14:13-16:35

2 stops20h 22m

£857

LondonSan Salvador

LCY - SAL

LCYSAL

London City

Fri 13/3

07:45-20:39

2 stops18h 54m

San Salvador El Salvador Intl

Tue 24/3

13:45-16:35

2 stops20h 50m

£889

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to San Salvador from

How to get the cheapest flight ticket from London to San Salvador

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between London and San Salvador?

What is the cheapest month to fly to San Salvador?

The cheapest month to fly to San Salvador from London is in February. Flight prices, which tend to average around £575, are often lower during this time because this is during the off-season. If you aren’t able to travel to San Salvador during the month of February, then flying in March is also cheap. Prices for this month can be found on momondo for an average of £581.

How far in advance should I book a flight to San Salvador?

You are more likely to see cheaper flights to San Salvador from London when booking weeks ahead of your departure date. In general, you can expect to find flights to San Salvador for around £630 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Salvador from London for as low as £556 on momondo.

How have London to San Salvador flight prices changed over time?

When to book flights from London to San Salvador

Are you open to changing your travel dates? Check out the ideal times to fly from London to San Salvador according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap London to San Salvador (LON to SAL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London to San Salvador

Fastest flight time

17h 40m

Direct flights

None
The fastest flight from London to San Salvador takes 17h 40m
There are no direct flights from London to San Salvador. There are no popular flight routes from London to San Salvador.
Search flight deals

  • How far is London to San Salvador El Salvador Intl by plane?

    A flight from London to San Salvador El Salvador Intl will travel around 5437.8 mi. A reasonable flight in good conditions will take 17h 40m.

  • When did momondo last update prices for flights from London to San Salvador El Salvador Intl Airport?

    Prices for flights from London to San Salvador El Salvador Intl Airport are updated daily.

  • How many operators does momondo search for flights from London to San Salvador El Salvador Intl Airport?

  • How old do you have to be to fly from London to San Salvador El Salvador Intl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from London to San Salvador El Salvador Intl Airport.

  • What documentation or ID do you need to fly to San Salvador El Salvador Intl Airport?

    The travel and health documents you'll need for your trip to San Salvador El Salvador Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at San Salvador El Salvador Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from London to San Salvador?

Best airlines flying from London to San Salvador

Compare and see reviews for airlines that fly from London to San Salvador with momondo
Airline
Rating
Free Cancellation
Price
AviancaPriceFrom £492Free CancellationRating
6.6
2,491 reviews
Search Avianca flights
United AirlinesPriceFrom £534Free CancellationRating
7.4
9,229 reviews
Search United Airlines flights
KLMPriceFrom £545Free CancellationRating
7.7
1,446 reviews
Search KLM flights
LufthansaPriceFrom £573Free CancellationRating
6.8
7,758 reviews
Search Lufthansa flights
Air CanadaPriceFrom £588Free CancellationRating
7.1
10,673 reviews
Search Air Canada flights
IberiaPriceFrom £1,067Free CancellationRating
7.0
3,100 reviews
Search Iberia flights

Travelling to a place near San Salvador?

Book flights to San Salvador if you plan to visit one of these locations
Sonsonate

Why use momondo?

Why should I use momondo to find a flight deal from London to San Salvador?

It is quick and easy to find London to San Salvador flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to San Salvador that suits you.

Can I find flights from London to San Salvador with flexible booking policies on momondo?

All flight searches from London to San Salvador on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from London to San Salvador?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to San Salvador from London.

I’m not ready to book a flight from London to San Salvador right now. Can momondo alert me if prices change?

If you are not ready to book a flight from London to San Salvador now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to San Salvador and let you know when they change.

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Fly your favourite airline to San Salvador

Airlines are sorted and displayed according to clicks in the past 7 days on momondo
Lufthansa
United Airlines
Air Canada
Avianca
Iberia
KLM