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Cheap flights from San Salvador to London Heathrow Airport from £356

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 11/11. Fares are subject to change and may not be available on all flights or dates of travel.
SAL — LHR
10 Aug — 17 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from San Salvador to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from San Salvador to Heathrow
Explore the most affordable flight options available from San Salvador to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 July 2026.

Tue 22/1208:30
SAL
-
LHR
1 stop17h 55m
Multiple Airlines
Sun 17/109:15
LHR
-
SAL
1 stop21h 30m
Multiple Airlines
Deal found 8/7£651
Mon 14/913:57
SAL
-
LHR
1 stop14h 23m
KLM
Wed 23/909:55
LHR
-
SAL
2 stops33h 36m
KLM
Deal found 10/7£691
Tue 22/1208:30
SAL
-
LHR
1 stop17h 55m
Multiple Airlines
Sat 2/119:40
LHR
-
SAL
1 stop35h 05m
Multiple Airlines
Deal found 10/7£718
Tue 8/913:57
SAL
-
LHR
1 stop16h 18m
KLM
Sat 12/911:45
LHR
-
SAL
2 stops31h 46m
KLM
Deal found 6/7£725
Sat 5/913:57
SAL
-
LHR
1 stop16h 18m
KLM
Sat 3/1015:15
LHR
-
SAL
1 stop28h 16m
KLM
Deal found 6/7£733
Sun 11/1013:39
SAL
-
LHR
1 stop16h 36m
KLM
Mon 19/1015:15
LHR
-
SAL
1 stop28h 09m
KLM
Deal found 10/7£736

Find flight deals from San Salvador to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from San Salvador (SAL) to Heathrow (LHR). 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 11 July 2026.

Round-trip from

£651

One-way from

£356

Popular in

June

Cheapest in

October

Average price

£834
22/12-17/1
  • 22/12-17/1
  • 2 total stops
  • 39h 25m total
  • San Salvador to London
Search Deals
11/11
  • 11/11
  • 2 total stops
  • 29h 30m total
  • San Salvador to London
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (£34 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 July 2026
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Cheapflights Fare Finder

 
Customise your flight search to find flights from San Salvador to Heathrow 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 11 July 2026.
Use the filters below to find and compare flights from San Salvador to London Heathrow Airport 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

Tue 10/11

14:25-16:05

2 stops19h 40m

London Heathrow

Wed 3/2

11:45-13:10

2 stops31h 25m

£715

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Mon 14/9

09:35-10:20

2 stops17h 45m

London Heathrow

Wed 23/9

06:00-20:00

2 stops21h 00m

£777

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Sun 13/9

06:00-10:40

2 stops21h 40m

London Heathrow

Sat 26/9

06:50-21:35

2 stops21h 45m

£851

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Thu 20/8

06:00-08:20

2 stops19h 20m

London Heathrow

Sun 20/9

07:45-20:49

2 stops20h 04m

£862
Fastest return journey

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Sat 5/9

06:00-06:45

2 stops17h 45m

London Heathrow

Thu 8/10

07:45-20:49

2 stops20h 04m

£904

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Sat 5/9

09:35-16:00

2 stops23h 25m

London Heathrow

Thu 8/10

07:05-21:55

3 stops21h 50m

£967

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Sun 2/8

13:48-16:15

2 stops19h 27m

London Heathrow

Sun 16/8

06:15-23:34

2 stops24h 19m

£1,006

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Tue 22/12

14:35-07:50

1 stop35h 15m

London Heathrow

Sat 2/1

08:55-13:10

1 stop34h 15m

£1,055

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Tue 22/12

16:40-10:15

1 stop35h 35m

London Heathrow

Sat 2/1

17:30-21:51

2 stops34h 21m

£1,084
Cheapest one-way

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Wed 11/11

14:25-11:40

1 stop15h 15m

£460

Flights are sorted by cheapest return flights first.

Deals found on 6/7

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

Best time to book a flight from San Salvador to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow 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 Heathrow Airport

How much does it cost for a return flight from San Salvador to London Heathrow Airport?

Related info for your journey

Find useful and relevant information for your journey from San Salvador to Heathrow. 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 Heathrow?

    Located just 20.5 mi from the city center, San Salvador El Salvador Intl is the airport most travelers will use when flying to London Heathrow from San Salvador. Booking flights from El Salvador Intl (SAL) to London Heathrow should be relatively easy as there are 0 daily outbound flights to London Heathrow from 0 different airlines.

  • How long is the flight from San Salvador to London Heathrow Airport?

    A quick flight from San Salvador to London Heathrow Airport can take about 19h 40m. KLM provides one of the quickest options available for as low as £715. The distance between San Salvador and London Heathrow Airport is about 5431 mi. Both multi-stop and direct flights can be found to your destination and back.

  • Can I find deals for flights from San Salvador to Heathrow that include hotel bookings?

    Yes. In addition to deals on San Salvador to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from San Salvador to Heathrow?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Salvador to Heathrow.

  • Can I find deals for business class flights from San Salvador to Heathrow?

    Yes. Cheapflights offers flight deals from San Salvador to Heathrow 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

Travelling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Hounslow
Milton Keynes
Luton
Wembley
Gatwick
Slough
Croydon
Ilford
Hayes
Brentford
Colchester
Northampton
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Poole
Southall
Aylesbury
Romford

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Alternative routes for San Salvador to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
San Salvador to Gatwick flights

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How does Cheapflights help users find flights from San Salvador to Heathrow?

Cheapflights makes it easy to find San Salvador to Heathrow flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from San Salvador to Heathrow?

Millions of users choose and trust Cheapflights to book the best flight deals from San Salvador to Heathrow for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from San Salvador to Heathrow with no change fees?

Need flexible booking options for your flight to Heathrow from San Salvador? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from San Salvador to Heathrow become cheaper?

Yes! Start tracking prices for San Salvador to Heathrow flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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