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Cheap flights from San Salvador to London Heathrow Airport from £455

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 18/6. Fares are subject to change and may not be available on all flights or dates of travel.
SAL — LHR
6 Jun — 13 Jun1
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 7 May 2026.

Thu 7/506:00
SAL
-
LHR
1 stop22h 35m
United Airlines
Sat 9/506:50
LHR
-
SAL
2 stops21h 45m
United Airlines
Deal found 3/5£678
Wed 6/506:00
SAL
-
LHR
2 stops25h 10m
United Airlines
Fri 8/507:25
LHR
-
SAL
2 stops20h 24m
United Airlines
Deal found 2/5£681
Fri 8/515:40
SAL
-
LHR
2 stops35h 00m
United Airlines
Mon 11/507:25
LHR
-
SAL
2 stops20h 24m
United Airlines
Deal found 5/5£737
Tue 19/519:55
SAL
-
LHR
1 stop14h 20m
Iberia
Mon 1/620:00
LHR
-
SAL
1 stop29h 25m
Iberia
Deal found 5/5£752
Mon 1/619:55
SAL
-
LHR
1 stop16h 15m
Iberia
Mon 8/620:00
LHR
-
SAL
1 stop29h 25m
Iberia
Deal found 3/5£753
Mon 14/913:37
SAL
-
LHR
1 stop16h 38m
KLM
Wed 23/911:15
LHR
-
SAL
1 stop32h 07m
KLM
Deal found 3/5£754
Thu 4/613:51
SAL
-
LHR
1 stop16h 24m
KLM
Thu 11/615:15
LHR
-
SAL
1 stop28h 12m
KLM
Deal found 5/5£762
Sun 10/513:51
SAL
-
LHR
1 stop16h 24m
KLM
Mon 21/915:15
LHR
-
SAL
1 stop28h 07m
KLM
Deal found 5/5£769
Fri 11/1220:55
SAL
-
LHR
1 stop14h 20m
Iberia
Tue 26/106:05
LHR
-
SAL
1 stop19h 20m
Iberia
Deal found 2/5£769

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 7 May 2026.

Round-trip from

£752

One-way from

£455

Popular in

December

Cheapest in

October

Average price

£830
Iberia
  • Iberia
  • 19/5-1/6
  • 2 total stops
  • 43h 45m total
  • San Salvador to London
Search Deals
18/6
  • 18/6
  • 3 total stops
  • 42h 55m total
  • San Salvador to London
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (£19 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£10 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

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 7 May 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

Fri 5/6

22:45-20:40

1 stop14h 55m

London Heathrow

Fri 12/6

06:50-21:35

2 stops21h 45m

£774

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Mon 14/9

13:50-20:40

2 stops23h 50m

London Heathrow

Wed 23/9

08:00-20:49

2 stops19h 49m

£778
Fastest return journey

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Fri 28/8

13:20-10:40

1 stop14h 20m

London Heathrow

Fri 11/9

10:00-20:49

1 stop17h 49m

£778

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Thu 6/8

01:15-07:55

1 stop23h 40m

London Heathrow

Fri 18/9

10:00-20:49

1 stop17h 49m

£782

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Tue 13/10

02:00-10:10

1 stop25h 10m

London Heathrow

Wed 21/10

10:00-20:49

1 stop17h 49m

£782

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Sat 16/5

13:51-13:15

1 stop16h 24m

London Heathrow

Mon 25/5

08:40-20:33

2 stops18h 53m

£783

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Thu 20/8

15:40-06:45

2 stops32h 05m

London Heathrow

Sun 20/9

10:00-20:49

1 stop17h 49m

£785

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Mon 3/8

06:00-10:40

2 stops21h 40m

London Heathrow

Fri 7/8

16:40-12:15

2 stops26h 35m

£788
Cheapest one-way

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Sat 6/6

01:15-10:25

2 stops26h 10m

£496
Fastest single journey

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Sat 6/6

13:50-11:35

1 stop14h 45m

£496

Flights are sorted by cheapest return flights first.

Deals found on 3/5

Showing 1-10 of 15 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 14h 55m. United Airlines provides one of the quickest options available for as low as £774. The distance between San Salvador and London Heathrow Airport is about 5431 mi.

  • 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
Milton Keynes
Wembley
Croydon
Northampton
Hounslow
Luton
Gatwick
Ilford
Slough
Hayes
Brentford
Colchester
Romford
Watford
Kingston upon Thames
Eastbourne
Swindon
Ipswich
Southend-on-Sea
Guildford

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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

Fly with Cheapflights

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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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