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Cheap flights from San Salvador to London from £368

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 17/11. Fares are subject to change and may not be available on all flights or dates of travel.
SAL — LON
1 Jul — 8 Jul1
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 1 June 2026.

Sat 30/513:50
SAL
-
LHR
1 stop14h 45m
United Airlines
Mon 1/611:05
LHR
-
SAL
2 stops41h 30m
United Airlines
Deal found 30/5£685
Tue 10/1116:40
SAL
-
LHR
2 stops36h 10m
United Airlines
Fri 13/1106:50
LHR
-
SAL
2 stops21h 57m
United Airlines
Deal found 27/5£689
Thu 11/613:52
SAL
-
LHR
1 stop33h 33m
KLM
Sat 4/713:25
LHR
-
SAL
1 stop30h 02m
KLM
Deal found 30/5£694
Thu 11/613:52
SAL
-
LHR
1 stop16h 23m
KLM
Thu 2/715:15
LHR
-
SAL
1 stop28h 12m
KLM
Deal found 28/5£695
Mon 14/913:37
SAL
-
LHR
2 stops19h 38m
KLM
Wed 23/909:20
LHR
-
SAL
1 stop34h 02m
KLM
Deal found 28/5£718
Sat 20/606:00
SAL
-
LHR
1 stop18h 55m
United Airlines
Mon 22/606:50
LHR
-
SAL
2 stops21h 45m
United Airlines
Deal found 29/5£726
Tue 1/913:57
SAL
-
LHR
1 stop16h 18m
KLM
Wed 30/909:20
LHR
-
SAL
1 stop34h 02m
KLM
Deal found 30/5£732
Wed 14/1013:39
SAL
-
LHR
1 stop14h 41m
KLM
Wed 21/1013:25
LHR
-
SAL
1 stop29h 59m
KLM
Deal found 27/5£733
Sun 1/1114:39
SAL
-
LCY
2 stops19h 56m
KLM
Wed 11/1109:20
LCY
-
SAL
2 stops33h 50m
KLM
Deal found 28/5£763
Fri 11/1207:09
SAL
-
STN
3 stops34h 06m
Multiple Airlines
Tue 26/111:40
STN
-
SAL
2 stops29h 25m
Multiple Airlines
Deal found 29/5£779
Tue 8/913:19
SAL
-
LCY
2 stops20h 21m
KLM
Thu 24/908:25
LCY
-
SAL
2 stops19h 06m
KLM
Deal found 30/5£796
Tue 20/1005:00
SAL
-
STN
1 stop19h 55m
Multiple Airlines
Sat 31/1020:50
STN
-
SAL
1 stop31h 35m
Multiple Airlines
Deal found 28/5£807

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 1 June 2026.

Round-trip from

£685

One-way from

£368

Popular in

May

Cheapest in

January

Average price

£903
United Airlines
  • United Airlines
  • 15/6-17/6
  • 3 total stops
  • 40h 30m total
  • San Salvador to London
Search Deals
17/11
  • 17/11
  • 3 total stops
  • 46h 11m total
  • San Salvador to London
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (£46 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 June 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 1 June 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
Fastest return journey

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Fri 30/10

13:50-10:15

1 stop14h 25m

London Heathrow

Mon 2/11

10:00-21:19

1 stop17h 19m

£785

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Mon 14/9

06:00-10:25

2 stops21h 25m

London Heathrow

Wed 23/9

07:45-20:49

2 stops20h 04m

£785

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Thu 6/8

02:00-10:10

1 stop25h 10m

London Heathrow

Tue 11/8

07:45-21:35

1 stop20h 50m

£789

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Fri 19/6

01:15-07:55

1 stop23h 40m

London Heathrow

Sat 4/7

16:40-12:15

2 stops26h 35m

£792

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Tue 1/9

13:50-21:25

2 stops24h 35m

London Heathrow

Wed 30/9

07:45-20:49

2 stops20h 04m

£795

San SalvadorLondon

SAL - LCY

SALLCY

San Salvador El Salvador Intl

Tue 8/9

13:19-16:40

2 stops20h 21m

London City

Thu 24/9

08:25-20:31

2 stops19h 06m

£796

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Tue 20/10

06:00-09:20

2 stops20h 20m

London Heathrow

Sat 31/10

07:40-20:51

2 stops19h 11m

£796

San SalvadorLondon

SAL - STN

SALSTN

San Salvador El Salvador Intl

Wed 26/8

08:15-22:50

2 stops31h 35m

London Stansted

Tue 8/9

18:55-15:40

2 stops27h 45m

£856

San SalvadorLondon

SAL - LCY

SALLCY

San Salvador El Salvador Intl

Mon 14/9

13:37-16:40

2 stops20h 03m

London City

Wed 23/9

09:20-20:31

2 stops18h 11m

£860

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Fri 12/6

22:45-05:55

1 stop24h 10m

London Heathrow

Fri 19/6

09:30-21:35

1 stop19h 05m

£871

Flights are sorted by cheapest return flights first.

Deals found on 30/5

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

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

Currently, September is the cheapest month in which you can book a flight from San Salvador to London (average of £576). Flying from San Salvador to London in June is currently the most expensive (average of £810). 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 San Salvador to London?

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 United Airlines, KLM, and Turkish Airlines fly from San Salvador to London in about 14h 25m. The time it takes to get you to your destination can typically vary by up to 11h 06m. The distance between San Salvador and London is about 5431 mi. This flight may include one or multiple stops.

  • 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 Stansted, 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.

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

    Currently, September is the cheapest month in which you can book a flight from San Salvador to London (average of £576). Flying from San Salvador to London in June is currently the most expensive (average of £810). 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

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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
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Fly with Cheapflights

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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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