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Cheap flights from San Salvador to London Heathrow Airport from £265

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 3/2. Fares are subject to change and may not be available on all flights or dates of travel.
SAL — LHR
8 Feb — 15 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap 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 9 January 2026.

Round-trip from

£531

One-way from

£265

Popular in

June

Cheapest in

February

Average price

£678
13/4-29/4
  • 13/4-29/4
  • 4 total stops
  • 57h 14m total
  • San Salvador to London
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3/2
  • 3/2
  • 3 total stops
  • 41h 28m 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).
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Cheapest flight prices on average. 1% potential price decrease (£8 potential savings vs. average return price).
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Average for round-trip flights in January 2026
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Find 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 9 January 2026.

Mon 13/406:20SAL - LHR
2 stops22h 35mMultiple Airlines
Wed 29/413:05LHR - SAL
2 stops34h 39mMultiple Airlines
Deal found 7/1£531
Fri 1/522:27SAL - LHR
1 stop28h 03mMultiple Airlines
Wed 13/516:35LHR - SAL
1 stop23h 48mMultiple Airlines
Deal found 7/1£627
Thu 29/114:35SAL - LHR
1 stop15h 05mKLM
Thu 5/212:30LHR - SAL
1 stop30h 40mKLM
Deal found 7/1£663
Sat 10/114:35SAL - LHR
1 stop35h 15mKLM
Sat 17/112:30LHR - SAL
1 stop30h 40mKLM
Deal found 6/1£669
Tue 15/922:35SAL - LHR
2 stops34h 20mMultiple Airlines
Wed 23/907:40LHR - SAL
2 stops33h 15mMultiple Airlines
Deal found 5/1£670
Tue 1/913:19SAL - LHR
1 stop34h 26mKLM
Wed 30/915:15LHR - SAL
1 stop28h 07mKLM
Deal found 6/1£673
Tue 15/913:37SAL - LHR
1 stop16h 38mKLM
Wed 23/909:20LHR - SAL
1 stop34h 02mKLM
Deal found 5/1£675
Sun 1/1114:39SAL - LHR
1 stop33h 46mKLM
Sun 8/1108:55LHR - SAL
1 stop34h 15mKLM
Deal found 8/1£675
Thu 22/114:35SAL - LHR
1 stop33h 50mKLM
Sun 25/115:50LHR - SAL
1 stop27h 20mKLM
Deal found 8/1£676
Mon 9/214:35SAL - LHR
2 stops19h 30mKLM
Mon 23/208:55LHR - SAL
1 stop34h 15mKLM
Deal found 7/1£687

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 9 January 2026.
Use the filters below to find and compare flights from San Salvador to London Heathrow Airport that are best for you.

Fly from

San Salvador

Fly to

Heathrow

Route

Depart

Return

Price

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Mon 13/4

06:20-11:55

2 stops22h 35m

London Heathrow

Wed 29/4

13:05-16:44

2 stops34h 39m

£531

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Mon 9/2

14:35-06:25

1 stop33h 50m

London Heathrow

Mon 23/2

12:30-13:10

1 stop30h 40m

£663

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Fri 17/4

14:00-11:20

1 stop14h 20m

London Heathrow

Sat 2/5

13:25-12:35

1 stop30h 10m

£713

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Sun 25/1

06:55-10:15

1 stop21h 20m

London Heathrow

Tue 27/1

09:00-05:45

2 stops26h 45m

£723

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Thu 29/1

14:35-16:05

2 stops19h 30m

London Heathrow

Thu 5/2

12:30-13:10

1 stop30h 40m

£728

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Sun 22/2

14:35-07:50

1 stop35h 15m

London Heathrow

Sun 1/3

10:45-13:10

1 stop32h 25m

£736

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Thu 26/2

14:35-07:50

1 stop35h 15m

London Heathrow

Sun 8/3

15:50-12:48

1 stop26h 58m

£736

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Mon 2/3

14:35-06:25

1 stop33h 50m

London Heathrow

Tue 17/3

08:55-12:48

1 stop33h 53m

£736

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Tue 3/2

16:02-15:30

3 stops41h 28m

£265

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Thu 5/2

22:05-09:35

3 stops53h 30m

£284

Flights are sorted by cheapest return flights first.

Deals found on 6/1

Showing 1-10 of 12 results
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

What’s the top stopover airport for flights from San Salvador to London Heathrow Airport?

Share of one-stop return flights from San Salvador to London Heathrow Airport chosen by Cheapflights users in the past 12 months, using the same stopover each way.

Atlanta (ATL) – chosen by Cheapflights users on 58% of one-stop itineraries from San Salvador to London Heathrow Airport on Cheapflights.

What’s the cheapest stopover airport for flights from San Salvador to London Heathrow Airport?

Average return fare for one-stop flights from San Salvador to London Heathrow Airport, 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 £681.

What’s the fastest stopover option from San Salvador to London Heathrow Airport?

Shortest average travel time for one-stop one-way flights from San Salvador to London Heathrow Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Flights via Miami (MIA) have the shortest average one-way travel time for one-stop routes: 14h 29m.

Which airport typically offers the quickest stopover for flights from San Salvador to London Heathrow Airport?

Average stopover duration for one-stop one-way flights from San Salvador to London Heathrow Airport, 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 38m.

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Heathrow. Reviews last updated 9 January 2026.
Read reviews from past customers who have flown with Iberia from San Salvador to London Heathrow Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Iberia
7.0
Good
3,079 reviews
Check prices

Crew

7.7

Overall

7.0

Food

6.3

Comfort

6.7

Boarding

7.1

Entertainment

6.6

Reviews

1 / 20
10.0
Excellent

Sylvie,Dec 2025

MAD - DSS

No space ,no confortable, and not organised at all àd very tiring and I booked my seat in advance
Iberia
7.0
Good
3,079 reviews
Iberia
7.0
Good
3,079 reviews
Check prices

Crew

7.7

Overall

7.0

Food

6.3

Comfort

6.7

Boarding

7.1

Entertainment

6.6

Reviews

1 / 20
10.0
Excellent

Sylvie,Dec 2025

MAD - DSS

No space ,no confortable, and not organised at all àd very tiring and I booked my seat in advance

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 1 airline.

  • 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 33h 50m. KLM provides one of the quickest options available for as low as £663. The distance between San Salvador and London Heathrow Airport is about 5431 mi.

  • What is the cheapest airline to fly from San Salvador to London Heathrow Airport round-trip?

    Currently priced at £786, Iberia will fly you from San Salvador to London Heathrow Airport and back. In addition to Iberia, many other airlines offer competitively priced options for your trip.

  • 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

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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

Top airline flying from San Salvador to Heathrow

Discover the top airline that operate flights from San Salvador to Heathrow. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 9 January 2026.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest£786Average£876FlexibilityNo cancel feeOn-time77%
Search Iberia 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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