Find flights
When to book
Airlines
FAQs

Cheap flights from San Salvador to London Heathrow Airport from £415

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 4/5. Fares are subject to change and may not be available on all flights or dates of travel.
SAL — LHR
4 May — 11 May1
1 adult

Cheapflights Tip: The best prices from San Salvador El Salvador Intl to London Heathrow are usually found in January or August, 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 29 April 2025.

Round-trip from

£656

One-way from

£415

Popular in

June

Cheapest in

January

Average price

£686
KLM
  • KLM
  • 6/6-13/6
  • 2 total stops
  • 51h 34m total
  • San Salvador to London
4/5
  • 4/5
  • 2 total stops
  • 30h 50m total
  • San Salvador to London
Highest demand for flights based on searches. 7% potential increase in price (£43 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£17 potential savings vs. average return price).
Average for round-trip flights in April 2025

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 29 April 2025.

Fri 6/613:05SAL - LHR
1 stop17h 25mKLM
Fri 13/609:20LHR - SAL
1 stop34h 09mKLM
Deal found 28/4£656
Wed 21/510:15SAL - LHR
1 stop22h 20mAvianca
Thu 29/522:05LHR - SAL
1 stop25h 15mAvianca
Deal found 28/4£721
Sat 14/623:45SAL - LHR
2 stops25h 50mUnited Airlines
Tue 17/607:25LHR - SAL
2 stops19h 52mUnited Airlines
Deal found 28/4£722
Sat 17/517:17SAL - LHR
1 stop35h 08mMultiple Airlines
Sat 24/520:10LHR - SAL
1 stop15h 57mMultiple Airlines
Deal found 28/4£746
Fri 7/1106:55SAL - LHR
2 stops17h 45mLufthansa
Fri 6/209:10LHR - SAL
2 stops18h 09mLufthansa
Deal found 28/4£789
Sun 20/708:10SAL - LHR
1 stop17h 25mAir Canada
Tue 5/815:10LHR - SAL
2 stops36h 05mAir Canada
Deal found 27/4£802
Mon 22/1221:00SAL - LHR
1 stop14h 15mIberia
Sun 4/117:25LHR - SAL
2 stops32h 05mIberia
Deal found 28/4£927
Sun 29/606:00SAL - LHR
2 stops17h 20mAmerican Airlines
Sun 13/709:45LHR - SAL
2 stops17h 11mAmerican Airlines
Deal found 28/4£1,141
Fri 7/1109:30SAL - LHR
3 stops29h 35mTurkish Airlines
Fri 6/217:45LHR - SAL
2 stops42h 20mTurkish Airlines
Deal found 28/4£1,166
Sat 27/1214:15SAL - LHR
2 stops23h 55mDelta
Tue 30/1220:00LHR - SAL
2 stops25h 00mDelta
Deal found 28/4£1,294

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 29 April 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 6/6

13:05-13:30

1 stop17h 25m

London Heathrow

Fri 13/6

09:20-12:29

1 stop34h 09m

£656

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Wed 21/5

10:15-15:35

1 stop22h 20m

London Heathrow

Sun 1/6

22:05-09:15

1 stop18h 10m

£721

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Sat 14/6

23:45-08:35

2 stops25h 50m

London Heathrow

Tue 17/6

07:25-20:17

2 stops19h 52m

£722

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Sat 17/5

17:17-11:25

1 stop35h 08m

London Heathrow

Sat 24/5

20:10-05:07

1 stop15h 57m

£746

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Sun 20/7

08:10-08:35

1 stop17h 25m

London Heathrow

Tue 5/8

15:10-20:15

2 stops36h 05m

£802

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Mon 21/7

06:00-11:40

2 stops22h 40m

London Heathrow

Fri 8/8

13:40-11:05

1 stop28h 25m

£1,082

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Sun 29/6

06:00-06:20

2 stops17h 20m

London Heathrow

Sun 13/7

09:45-19:56

2 stops17h 11m

£1,141

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Wed 21/5

09:25-15:05

3 stops46h 40m

London Heathrow

Thu 29/5

16:40-09:15

2 stops47h 35m

£1,330

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Sun 4/5

22:05-11:55

2 stops30h 50m

£415

San SalvadorLondon

SAL - LHR

SALLHR

San Salvador El Salvador Intl

Sun 21/9

10:15-15:35

1 stop22h 20m

£434

Flights are sorted by cheapest return flights first.

Deals found on 28/4

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 25 April 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 29 April 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 29 April 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.

Boarding

7.8

Comfort

7.7

Entertainment

7.1

Food

7.2

Crew

8.4

Overall

7.8

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.

Boarding

7.8

Comfort

7.7

Entertainment

7.1

Food

7.2

Crew

8.4

Overall

7.8

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.

Boarding

7.8

Comfort

7.7

Entertainment

7.1

Food

7.2

Crew

8.4

Overall

7.8

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.

Boarding

7.8

Comfort

7.7

Entertainment

7.1

Food

7.2

Crew

8.4

Overall

7.8

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.

Boarding

7.8

Comfort

7.7

Entertainment

7.1

Food

7.2

Crew

8.4

Overall

7.8

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.

Boarding

7.8

Comfort

7.7

Entertainment

7.1

Food

7.2

Crew

8.4

Overall

7.8

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 2 different airlines.

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

    Currently priced at £656, 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 £721 and £722, 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 £434. However, be on the lookout for offers from Air Canada and Lufthansa, 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
Deal
Hounslow
Milton Keynes
Gatwick
Luton
Slough
Croydon
Eastbourne
Northampton
Ilford
Hayes
Southend-on-Sea
Crawley
Wembley
Ipswich
Maidstone
Winchester
Swindon
Folkestone
Dartford

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.

Alternative routes for San Salvador to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from San Salvador to Heathrow

Discover the top 2 airlines 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 29 April 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest£550Average£604FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
IberiaCheapest£791Average£882FlexibilityNo cancel feeOn-time77%
Search Iberia flights

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 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.

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.