Find flights
When to book
FAQs

Cheap flights from El Salvador to London Heathrow Airport from £388

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
20 May — 27 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from El Salvador to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from El Salvador to Heathrow
Explore the most affordable flight options available from El Salvador to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 April 2026.

Tue 10/1123:54
SAL
-
LHR
2 stops26h 01m
United Airlines
Fri 13/1106:35
LHR
-
SAL
2 stops20h 44m
United Airlines
Deal found 19/4£727
Thu 23/406:00
SAL
-
LHR
2 stops23h 50m
United Airlines
Sat 25/409:30
LHR
-
SAL
2 stops18h 08m
United Airlines
Deal found 19/4£743
Fri 24/414:04
SAL
-
LHR
1 stop34h 11m
KLM
Fri 1/511:15
LHR
-
SAL
1 stop32h 24m
KLM
Deal found 15/4£757
Mon 14/913:37
SAL
-
LHR
1 stop16h 38m
KLM
Wed 23/909:20
LHR
-
SAL
1 stop34h 02m
KLM
Deal found 15/4£759
Fri 11/1220:55
SAL
-
LHR
1 stop15h 20m
Iberia
Sat 30/107:30
LHR
-
SAL
1 stop17h 55m
Iberia
Deal found 19/4£763
Fri 16/1013:39
SAL
-
LHR
1 stop16h 36m
KLM
Sat 31/1015:50
LHR
-
SAL
1 stop27h 34m
KLM
Deal found 17/4£770
Thu 1/1013:37
SAL
-
LHR
1 stop16h 38m
KLM
Sun 11/1015:15
LHR
-
SAL
1 stop28h 09m
KLM
Deal found 15/4£772
Thu 1/1013:37
SAL
-
LHR
1 stop33h 48m
KLM
Fri 9/1009:20
LHR
-
SAL
1 stop34h 04m
KLM
Deal found 18/4£773
Thu 12/1116:40
SAL
-
LHR
1 stop35h 35m
United Airlines
Sun 15/1109:00
LHR
-
SAL
2 stops26h 45m
United Airlines
Deal found 15/4£777

Find flight deals from El Salvador to Heathrow

Keep the following information in mind while searching for El Salvador to Heathrow flight deals. Data was last updated 20 April 2026.

Round-trip from

£757

One-way from

£388

Popular in

June

Cheapest in

January

Average price

£824
KLM
  • KLM
  • 14/9-23/9
  • 2 total stops
  • 46h 35m total
  • El Salvador to London
Search Deals
Avianca
  • Avianca
  • 18/6
  • 1 total stop
  • 20h 30m total
  • El Salvador to London
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (£38 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 El 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 20 April 2026.
Use the filters below to find and compare flights from El 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

Mon 14/9

13:37-13:15

1 stop16h 38m

London Heathrow

Wed 23/9

09:20-12:22

1 stop34h 02m

£759

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Fri 1/5

14:04-13:15

1 stop16h 11m

London Heathrow

Sat 9/5

09:20-12:26

1 stop34h 06m

£797

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Tue 19/5

13:51-13:15

1 stop16h 24m

London Heathrow

Mon 1/6

11:15-12:26

1 stop32h 11m

£800

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Tue 5/5

14:04-06:25

1 stop33h 21m

London Heathrow

Sun 31/5

09:20-12:26

1 stop34h 06m

£801

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Tue 1/9

06:00-07:55

1 stop18h 55m

London Heathrow

Wed 30/9

08:40-04:50

2 stops27h 10m

£815
Fastest return journey

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Fri 1/5

06:00-07:55

1 stop18h 55m

London Heathrow

Sat 9/5

08:45-04:50

2 stops27h 05m

£815

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Mon 18/5

02:00-10:10

1 stop25h 10m

London Heathrow

Tue 26/5

06:55-20:49

2 stops20h 54m

£819
Cheapest one-way

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Sat 20/6

12:05-15:35

1 stop20h 30m

£393

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Mon 8/6

22:05-15:35

1 stop34h 30m

£413

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Tue 23/6

23:05-14:45

3 stops32h 40m

£454

Flights are sorted by cheapest return flights first.

Deals found on 17/4

Showing 1-10 of 15 resultsSorted by cheapest first
1
2

Best time to book a flight from El Salvador to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from El 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 El Salvador to London Heathrow Airport
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from El Salvador to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    KLM can get you from El Salvador to London Heathrow Airport in just under 16h 38m. Your travel time can differ by up to . The distance between El Salvador and London Heathrow Airport is about 5431 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from El 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
Hounslow
Northampton
Luton
Gatwick
Ilford
Slough
Hayes
Brentford
Colchester
Watford
Kingston upon Thames
Romford
Eastbourne
Swindon
Ipswich
Southend-on-Sea
Guildford

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 El Salvador to Heathrow?

When you search for this flight from El Salvador to Heathrow, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

Cheapflights helps you find that perfect flight to Heathrow from El Salvador by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from El Salvador to Heathrow, users can toggle the no change fees filter when performing a flight search.

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

Yes! Start tracking prices for El 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.