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Cheap flights from San Salvador to London Heathrow Airport from £394

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 28/4. Fares are subject to change and may not be available on all flights or dates of travel.
SAL — LHR
30 Mar — 6 Apr1
1 adult

Cheapflights Tip: The best prices from San Salvador El Salvador Intl to London Heathrow are usually found in January or February, booked 14 days in advance, depart on a Friday or Monday and return on a Wednesday

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 25 March 2025.

Round-trip from

£671

One-way from

£394

Popular in

June

Cheapest in

January

Average price

£707
KLM
  • KLM
  • 21/4-28/4
  • 2 total stops
  • 45h 00m total
  • San Salvador to London
Search Deals
28/4
  • 28/4
  • 2 total stops
  • 31h 20m total
  • San Salvador to London
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£47 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£22 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2025
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Find flight deals from San Salvador to Heathrow

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 25 March 2025.

Mon 21/414:10SAL - LHR
1 stop16h 20mKLM
Mon 28/415:15LHR - SAL
1 stop28h 40mKLM
Deal found 24/3£671
Mon 21/414:10SAL - LHR
1 stop16h 20mMultiple Airlines
Mon 28/408:40LHR - SAL
2 stops19h 25mMultiple Airlines
Deal found 24/3£689
Wed 21/510:15SAL - LHR
1 stop22h 20mAvianca
Wed 28/522:05LHR - SAL
1 stop18h 10mAvianca
Deal found 24/3£803
Tue 3/601:15SAL - LHR
2 stops26h 25mUnited Airlines
Fri 20/607:45LHR - SAL
2 stops19h 58mUnited Airlines
Deal found 24/3£828
Wed 21/515:30SAL - LHR
2 stops32h 05mAir Canada
Wed 28/512:05LHR - SAL
1 stop15h 10mAir Canada
Deal found 24/3£831
Sun 6/413:11SAL - LHR
1 stop14h 24mIberia
Wed 23/420:00LHR - SAL
2 stops29h 54mIberia
Deal found 24/3£904
Sun 6/406:00SAL - LHR
2 stops17h 20mAmerican Airlines
Sat 19/412:15LHR - SAL
1 stop30h 45mAmerican Airlines
Deal found 24/3£1,172
Fri 11/413:42SAL - LHR
2 stops25h 43mTurkish Airlines
Mon 21/422:25LHR - SAL
3 stops32h 11mTurkish Airlines
Deal found 25/3£1,229

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 25 March 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

Mon 21/4

14:10-13:30

1 stop16h 20m

London Heathrow

Mon 28/4

15:15-12:55

1 stop28h 40m

£671

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Mon 21/4

14:10-13:30

1 stop16h 20m

London Heathrow

Mon 28/4

08:40-21:05

2 stops19h 25m

£689

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Wed 21/5

10:15-15:35

1 stop22h 20m

London Heathrow

Wed 28/5

22:05-09:15

1 stop18h 10m

£803

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Tue 3/6

06:00-10:10

2 stops21h 10m

London Heathrow

Tue 24/6

06:50-20:43

2 stops20h 53m

£828

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Wed 21/5

15:30-06:35

2 stops32h 05m

London Heathrow

Wed 28/5

12:05-20:15

1 stop15h 10m

£831

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Sun 6/4

13:11-10:35

1 stop14h 24m

London Heathrow

Wed 23/4

20:00-18:54

2 stops29h 54m

£904

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Sun 6/4

06:00-06:20

2 stops17h 20m

London Heathrow

Sat 19/4

12:15-12:00

1 stop30h 45m

£1,172

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Fri 11/4

13:42-22:25

2 stops25h 43m

London Heathrow

Mon 21/4

22:25-23:36

3 stops32h 11m

£1,229

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Mon 28/4

06:00-20:20

2 stops31h 20m

£394

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Mon 23/6

10:15-15:35

1 stop22h 20m

£443

Flights are sorted by cheapest return flights first.

Deals found on 24/3

Showing 1-10 of 14 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

How far ahead should I book a flight from San Salvador to London Heathrow Airport?

Use this chart to determine the optimal time to book a return flight from San Salvador to Heathrow. Price data was last updated on 21 March 2025.

The best time to book flights from San Salvador to London Heathrow Airport is 9 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from San Salvador to London Heathrow Airport?

Currently, January is the cheapest month in which you can book a flight from San Salvador to London Heathrow Airport (average of £112). Flying from San Salvador to London Heathrow Airport in August is currently the most expensive (average of £164). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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 25 March 2025.

It’s typically best to fly out from San Salvador to London Heathrow Airport at midday. Doing so could potentially save you 45% on the flight price compared to flying in the afternoon, which is usually more expensive.

Rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

Temperature in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

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 25 March 2025.
Get a feel of what it's like to fly with KLM, United Airlines and Turkish Airlines from San Salvador to London by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,318 reviews
Check prices

Overall

7.8

Boarding

7.8

Crew

8.4

Entertainment

7.1

Comfort

7.7

Food

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
KLM
7.8
Good
1,318 reviews
KLM
7.8
Good
1,318 reviews
Check prices

Overall

7.8

Boarding

7.8

Crew

8.4

Entertainment

7.1

Comfort

7.7

Food

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
United Airlines
7.4
Good
8,605 reviews
KLM
7.8
Good
1,318 reviews
Check prices

Overall

7.8

Boarding

7.8

Crew

8.4

Entertainment

7.1

Comfort

7.7

Food

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
Turkish Airlines
7.3
Good
3,745 reviews
KLM
7.8
Good
1,318 reviews
Check prices

Overall

7.8

Boarding

7.8

Crew

8.4

Entertainment

7.1

Comfort

7.7

Food

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
American Airlines
7.2
Good
10,000 reviews
KLM
7.8
Good
1,318 reviews
Check prices

Overall

7.8

Boarding

7.8

Crew

8.4

Entertainment

7.1

Comfort

7.7

Food

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
Air Canada
7.0
Good
8,957 reviews
KLM
7.8
Good
1,318 reviews
Check prices

Overall

7.8

Boarding

7.8

Crew

8.4

Entertainment

7.1

Comfort

7.7

Food

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.

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.

  • What are the cheapest airlines flying from San Salvador to London Heathrow Airport round-trip?

    Currently priced at £671, KLM will fly you from San Salvador to London Heathrow Airport and back. In addition to KLM, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Avianca and United Airlines - these airlines can fly you to your destination from £803 and £828, respectively. Users have found that KLM is 1% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from San Salvador to London Heathrow Airport one-way?

    The cheapest airline one-way is Avianca, with whom users have recently found tickets for as low as £443. However, be on the lookout for offers from Air Canada and KLM, as they are both options that can get you from San Salvador to London Heathrow Airport for a low price.

  • 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.

  • What is the cheapest month to book a flight from San Salvador to London Heathrow Airport?

    Currently, January is the cheapest month in which you can book a flight from San Salvador to London Heathrow Airport (average of £112). Flying from San Salvador to London Heathrow Airport in August is currently the most expensive (average of £164). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near San Salvador?

Book flights to San Salvador if you plan to visit one of these locations
Hounslow
Deal
Milton Keynes
Gatwick
Croydon
Slough
Luton
Eastbourne
Northampton
Ilford
Swindon
Hayes
Crawley
Southend-on-Sea
Wembley
Maidstone
Winchester
Ipswich
Watford
Southall

Browse thousands of different options on Cheapflights for your next trip

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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 25 March 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest£562Average£618FlexibilityNo cancel feeOn-time69%
Search United Airlines 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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