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Cheap flights from San Salvador to London Heathrow Airport from £234

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 8/12. Fares are subject to change and may not be available on all flights or dates of travel.
SAL — LHR
13 Dec — 20 Dec1
1 adult
1 adult, Economy, 0 bags

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 13 November 2025.

Thu 13/1114:26SAL - LHR
1 stop33h 59mKLM
Fri 9/115:50LHR - SAL
1 stop27h 20mKLM
Deal found 12/11£688
Tue 23/1207:35SAL - LHR
2 stops32h 05mMultiple Airlines
Sun 11/121:05LHR - SAL
3 stops31h 14mMultiple Airlines
Deal found 12/11£739
Thu 25/1212:05SAL - LHR
1 stop20h 30mMultiple Airlines
Wed 14/109:55LHR - SAL
2 stops29h 00mMultiple Airlines
Deal found 12/11£744
Tue 23/1212:05SAL - LHR
1 stop20h 30mMultiple Airlines
Mon 12/106:00LHR - SAL
2 stops34h 53mMultiple Airlines
Deal found 12/11£748
Wed 24/1222:05SAL - LHR
1 stop34h 30mMultiple Airlines
Mon 12/109:00LHR - SAL
2 stops19h 19mMultiple Airlines
Deal found 12/11£768
Sat 15/1119:05SAL - LHR
3 stops33h 45mMultiple Airlines
Sat 22/1112:15LHR - SAL
3 stops26h 40mMultiple Airlines
Deal found 10/11£776
Mon 29/1216:40SAL - LHR
1 stop32h 50mUnited Airlines
Wed 14/112:00LHR - SAL
1 stop16h 47mUnited Airlines
Deal found 12/11£779

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 13 November 2025.

Round-trip from

£662

One-way from

£234

Popular in

December

Cheapest in

February

Average price

£702
9/1-16/1
  • 9/1-16/1
  • 4 total stops
  • 42h 20m total
  • San Salvador to London
Search Deals
8/12
  • 8/12
  • 2 total stops
  • 29h 31m total
  • San Salvador to London
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (£12 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£9 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
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 13 November 2025.
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

Fri 9/1

07:34-13:25

2 stops23h 51m

London Heathrow

Fri 16/1

09:50-22:19

2 stops18h 29m

£662

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Fri 9/1

14:35-07:50

1 stop35h 15m

London Heathrow

Fri 16/1

15:50-13:10

1 stop27h 20m

£688

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Mon 9/2

16:40-10:15

1 stop35h 35m

London Heathrow

Mon 23/2

13:45-05:45

2 stops46h 00m

£734

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Sun 1/3

03:00-07:30

2 stops46h 30m

London Heathrow

Tue 17/3

12:05-04:45

2 stops46h 40m

£734

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Thu 26/3

13:50-10:15

1 stop14h 25m

London Heathrow

Mon 30/3

08:45-04:50

2 stops27h 05m

£738

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Fri 6/2

23:54-21:20

1 stop15h 26m

London Heathrow

Tue 10/2

06:35-05:45

2 stops29h 10m

£741

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Mon 9/2

03:00-06:20

2 stops21h 20m

London Heathrow

Mon 16/2

09:00-05:45

2 stops26h 45m

£741

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Thu 12/3

07:35-14:25

2 stops24h 50m

£333

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Mon 8/12

12:05-14:35

1 stop20h 30m

£362

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Tue 2/12

08:10-14:35

2 stops24h 25m

£363

Flights are sorted by cheapest return flights first.

Deals found on 10/11

Showing 1-10 of 13 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 is the cheapest time of day to fly from SAL to LHR?

Find hourly flight availability from San Salvador to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 13 November 2025.

It’s typically best to fly out from San Salvador to London Heathrow Airport at midday. Doing so could potentially save you 44% on the flight price compared to flying in the afternoon, which is usually more expensive.

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

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 13 November 2025.
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
3,010 reviews
Check prices

Comfort

6.8

Crew

7.7

Entertainment

6.6

Food

6.3

Boarding

7.1

Overall

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MUC - CLT

I have no complaints about my flight to and from Munich from Charlotte NC. Everyone was helpful and courteous. I will definitely fly with you all again!
Iberia
7.0
Good
3,010 reviews
Iberia
7.0
Good
3,010 reviews
Check prices

Comfort

6.8

Crew

7.7

Entertainment

6.6

Food

6.3

Boarding

7.1

Overall

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MUC - CLT

I have no complaints about my flight to and from Munich from Charlotte NC. Everyone was helpful and courteous. I will definitely fly with you all again!

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 35h 15m. KLM provides one of the quickest options available for as low as £688. 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.

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

    Currently priced at £805, 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

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
Croydon
Slough
Gatwick
Hounslow
Northampton
Luton
Ilford
Wembley
Deal
Hayes
Colchester
Watford
Winchester
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Crawley
Brentford
Romford
Chichester
Ipswich

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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 13 November 2025.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest£805Average£897FlexibilityNo 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?

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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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