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Cheap flights from San Salvador to London from £394

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 17/6. Fares are subject to change and may not be available on all flights or dates of travel.
SAL — LON
12 May — 19 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from San Salvador to London

Enter your travel dates to find the best prices.

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 12 April 2026.

Sun 7/607:30
SAL
-
STN
3 stops31h 25m
Multiple Airlines
Sun 21/607:35
STN
-
SAL
1 stop23h 05m
Multiple Airlines
Deal found 7/4£720
Mon 9/1108:05
SAL
-
LHR
2 stops31h 30m
Multiple Airlines
Tue 17/1121:40
LHR
-
SAL
1 stop19h 25m
Multiple Airlines
Deal found 8/4£726
Thu 11/608:15
SAL
-
STN
2 stops31h 10m
Multiple Airlines
Sun 14/607:35
STN
-
SAL
1 stop23h 05m
Multiple Airlines
Deal found 7/4£730
Tue 14/406:00
SAL
-
LHR
1 stop18h 55m
United Airlines
Thu 16/407:30
LHR
-
SAL
2 stops20h 08m
United Airlines
Deal found 10/4£741
Sun 7/607:30
SAL
-
LGW
3 stops27h 30m
Multiple Airlines
Sun 21/606:00
LGW
-
SAL
1 stop24h 40m
Multiple Airlines
Deal found 7/4£755
Wed 6/514:04
SAL
-
LHR
1 stop16h 11m
KLM
Wed 13/511:45
LHR
-
SAL
2 stops31h 41m
KLM
Deal found 8/4£755
Mon 13/414:04
SAL
-
LHR
1 stop33h 21m
KLM
Tue 21/409:20
LHR
-
SAL
1 stop34h 19m
KLM
Deal found 7/4£758
Mon 14/913:37
SAL
-
LHR
1 stop16h 38m
KLM
Wed 23/911:15
LHR
-
SAL
1 stop32h 07m
KLM
Deal found 10/4£761
Sun 7/607:30
SAL
-
STN
3 stops31h 25m
Multiple Airlines
Mon 15/605:55
STN
-
SAL
3 stops31h 30m
Multiple Airlines
Deal found 7/4£762
Sun 24/508:45
SAL
-
LHR
3 stops28h 10m
Multiple Airlines
Sun 31/522:05
LHR
-
SAL
1 stop15h 25m
Multiple Airlines
Deal found 9/4£764
Tue 5/509:35
SAL
-
STN
3 stops31h 35m
Multiple Airlines
Tue 26/518:55
STN
-
SAL
2 stops27h 45m
Multiple Airlines
Deal found 7/4£764
Mon 14/907:13
SAL
-
STN
3 stops34h 07m
Multiple Airlines
Wed 23/916:25
STN
-
SAL
3 stops34h 50m
Multiple Airlines
Deal found 10/4£772

Find 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 12 April 2026.

Round-trip from

£720

One-way from

£394

Popular in

June

Cheapest in

January

Average price

£827
7/6-21/6
  • 7/6-21/6
  • 4 total stops
  • 54h 30m total
  • San Salvador to London
Search Deals
Avianca
  • Avianca
  • 17/6
  • 1 total stop
  • 20h 30m total
  • San Salvador to London
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (£32 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£7 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2026
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 12 April 2026.
Use the filters below to find and compare flights from San Salvador to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Fri 1/5

14:04-06:25

1 stop33h 21m

London Heathrow

Sat 9/5

09:20-12:26

1 stop34h 06m

£758

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Mon 14/9

13:37-13:15

1 stop16h 38m

London Heathrow

Wed 23/9

13:25-12:22

1 stop29h 57m

£761

San SalvadorLondon

SAL - LGW

SALLGW

San Salvador El Salvador Intl

Wed 16/9

22:49-09:45

2 stops51h 56m

London Gatwick

Sun 27/9

15:40-09:49

2 stops49h 09m

£773

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Sun 20/9

22:35-09:05

2 stops27h 30m

London Heathrow

Sat 26/9

22:05-06:30

1 stop15h 25m

£781

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Sun 26/4

14:04-13:15

1 stop16h 11m

London Heathrow

Thu 30/4

15:15-12:39

1 stop28h 24m

£796

San SalvadorLondon

SAL - STN

SALSTN

San Salvador El Salvador Intl

Mon 8/6

08:15-21:20

2 stops30h 05m

London Stansted

Tue 16/6

13:15-14:13

3 stops31h 58m

£798

San SalvadorLondon

SAL - STN

SALSTN

San Salvador El Salvador Intl

Sun 7/6

08:15-21:55

2 stops30h 40m

London Stansted

Mon 15/6

08:10-06:25

3 stops29h 15m

£807

San SalvadorLondon

SAL - STN

SALSTN

San Salvador El Salvador Intl

Mon 14/9

07:13-00:20

3 stops34h 07m

London Stansted

Sun 20/9

15:40-20:15

3 stops35h 35m

£813

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Fri 1/5

06:00-11:35

1 stop22h 35m

London Heathrow

Sat 9/5

08:45-04:50

2 stops27h 05m

£818

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Mon 14/9

06:00-11:35

1 stop22h 35m

London Heathrow

Wed 23/9

06:55-20:49

2 stops20h 54m

£821

Flights are sorted by cheapest return flights first.

Deals found on 12/4

Showing 1-10 of 60 resultsSorted by cheapest first
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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 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 67% 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.

Atlanta (ATL) is the most affordable one-stop option, with an average return flight price of £686.

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 Atlanta (ATL) have the shortest average one-way travel time for one-stop routes: 14h 37m.

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 33m.

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. 0 airlines have 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 fly from San Salvador to London in about 33h 21m. The time it takes to get you to your destination can typically vary by up to . The distance between San Salvador and London is about 5431 mi.

  • 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.

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

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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