SAL - LHR

£337 Find Cheap Flights from San Salvador to London Heathrow Airport – Compare and Save

1 adult
1 adult, Economy, 0 bags

Save 25% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Everything you should know

Cheapest return flight
£629
Typical prices: £782-£945
Multiple Airlines
Thu 4/10Fri 26/10
SAL - LHR • 1 stop
Cheapest one-way flight
£337
Typical prices: £452-£614
Multiple Airlines
Sat 8/12
SAL - LHR • 2 stops
Direct flights
Not available
There are currently no direct flights between San Salvador and London Heathrow Airport. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to book
17 weeks
in advance
Our data shows that travellers who book at least 17 weeks in advance save around 22% compared to booking last minute.
Insights
Insights
When to travel
January
Cheapest • 13% price drop
November
Most popular
Good to know
+1
Good to know
+1
Top stopover airports
Barcelona-El Prat (BCN)
Cheapest • Avg £645 (return)
Toronto Pearson Intl (YYZ)
Shortest trip • 16h 32m (one-way)
Insights
Insights
Start a new search
KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you enjoy your trip to London Heathrow Airport!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from San Salvador to Heathrow (SAL-LHR)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from San Salvador to Heathrow

Sun, 4 Oct - Mon, 26 Oct
Multiple Airlines Logo
03:45 - 20:05SAL  San Salvador El Salvador Intl-LHR London Heathrow
33h 20m1 stop Barcelona-El Prat
Multiple Airlines Logo
09:55 - 05:30LHR  London Heathrow-SAL San Salvador El Salvador Intl
25h 35m1 stop Barcelona-El Prat
£629Multiple Airlines
Sun, 20 Dec - Sun, 10 Jan
Multiple Airlines Logo
03:45 - 20:05SAL  San Salvador El Salvador Intl-LHR London Heathrow
34h 20m1 stop Barcelona-El Prat
Multiple Airlines Logo
20:50 - 05:30LHR  London Heathrow-SAL San Salvador El Salvador Intl
38h 40m1 stop Barcelona-El Prat
£644Multiple Airlines
Sun, 20 Dec - Sun, 10 Jan
Multiple Airlines Logo
03:45 - 09:10SAL  San Salvador El Salvador Intl-LHR London Heathrow
23h 25m1 stop Barcelona-El Prat
Multiple Airlines Logo
18:50 - 05:30LHR  London Heathrow-SAL San Salvador El Salvador Intl
40h 40m2 stops Bilbao Barcelona-El Prat
£647Multiple Airlines
Sun, 4 Oct - Mon, 26 Oct
Multiple Airlines Logo
03:45 - 11:30SAL  San Salvador El Salvador Intl-LHR London Heathrow
24h 45m2 stops Barcelona-El Prat Duesseldorf Intl
Multiple Airlines Logo
09:55 - 05:30LHR  London Heathrow-SAL San Salvador El Salvador Intl
25h 35m1 stop Barcelona-El Prat
£663Multiple Airlines
Fri, 6 Nov - Sun, 15 Nov
KLM Logo
14:57 - 11:40SAL  San Salvador El Salvador Intl-LHR London Heathrow
14h 43m1 stop Atlanta Hartsfield-Jackson
KLM Logo
14:05 - 13:14LHR  London Heathrow-SAL San Salvador El Salvador Intl
29h 09m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson
£698KLM
Fri, 6 Nov - Sun, 15 Nov
KLM Logo
14:57 - 11:40SAL  San Salvador El Salvador Intl-LHR London Heathrow
14h 43m1 stop Atlanta Hartsfield-Jackson
KLM Logo
16:00 - 13:14LHR  London Heathrow-SAL San Salvador El Salvador Intl
27h 14m1 stop Atlanta Hartsfield-Jackson
£702KLM
Fri, 6 Nov - Sun, 15 Nov
KLM Logo
14:57 - 14:25SAL  San Salvador El Salvador Intl-LHR London Heathrow
17h 28m2 stops Atlanta Hartsfield-Jackson Amsterdam Schiphol
KLM Logo
14:05 - 13:14LHR  London Heathrow-SAL San Salvador El Salvador Intl
29h 09m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson
£722KLM
Mon, 26 Oct - Tue, 10 Nov
KLM Logo
13:57 - 11:40SAL  San Salvador El Salvador Intl-LHR London Heathrow
15h 43m1 stop Atlanta Hartsfield-Jackson
KLM Logo
11:45 - 13:14LHR  London Heathrow-SAL San Salvador El Salvador Intl
31h 29m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson
£735KLM
Mon, 26 Oct - Tue, 10 Nov
KLM Logo
13:57 - 11:40SAL  San Salvador El Salvador Intl-LHR London Heathrow
15h 43m1 stop Atlanta Hartsfield-Jackson
KLM Logo
11:45 - 13:14LHR  London Heathrow-SAL San Salvador El Salvador Intl
31h 29m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson
£736KLM
Mon, 26 Oct - Tue, 10 Nov
KLM Logo
13:57 - 11:40SAL  San Salvador El Salvador Intl-LHR London Heathrow
15h 43m1 stop Atlanta Hartsfield-Jackson
KLM Logo
11:45 - 13:14LHR  London Heathrow-SAL San Salvador El Salvador Intl
31h 29m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson
£737KLM
Booking Insights

Price, demand, and travel trends for San Salvador to London Heathrow Airport flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights from San Salvador to London Heathrow Airport with more confidence.

What's the cheapest day of the week to fly from San Salvador to London Heathrow Airport?

Monday is the cheapest day of the week to fly from San Salvador to London Heathrow Airport and is 7% cheaper than the average day. Saturday is the most expensive day with flight prices 9% higher than average. Based on deals found by KAYAK users in the last 12 months.

What is the cheapest month to fly from San Salvador to London Heathrow Airport?

•January and October are the cheapest months to fly from San Salvador to London Heathrow Airport at £737 return.
•July (£959) and May (£906) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 30% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from San Salvador to London Heathrow Airport the cheapest?

Flights from San Salvador to London Heathrow Airport are cheapest 17 weeks before departure. Booking in this window typically costs about 22% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Find deals

Key details for San Salvador to London Heathrow Airport flights

Low season

February

Cheapest flight

£337
Best time to beat the crowds (13% less expensive on average)
Most popular time to fly and prices are also 12% lower on average.
Flights from San Salvador to London Heathrow Airport

When to book flights from San Salvador to Heathrow

Are your dates flexible? Find out the best times to travel from San Salvador to Heathrow based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price

Your San Salvador to London Heathrow Airport flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines, and booking questions.

  • Which airports can I use when flying from San Salvador to London Heathrow Airport?

    Flights from San Salvador to London Heathrow Airport usually depart from San Salvador El Salvador Intl (SAL) and arrive at London Heathrow (LHR).

  • Which cabin classes can I book on flights from San Salvador to London Heathrow Airport?

    Only Economy class is available on flights from San Salvador to London Heathrow Airport.

  • Which airports do connecting flights from San Salvador to London Heathrow Airport pass through?

    One-stop flights from San Salvador to London Heathrow Airport most commonly connect through:

    • Atlanta Hartsfield-Jackson (ATL) – 28% of one-stop connections
    • Houston George Bush Intcntl (IAH) – 23% of one-stop connections
    • Madrid Barajas (MAD) – 17% of one-stop connections
    • Bogotá El Dorado (BOG) – 14% of one-stop connections

    Atlanta Hartsfield-Jackson (ATL) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from San Salvador to London Heathrow Airport?

    Yes. Being flexible with your travel dates can save you up to 14% on the San Salvador to London Heathrow Airport route. Monday is the cheapest departure day at £794 return on average, while Saturday is the most expensive at £923, a difference of £129. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What popular places can I visit in London Heathrow Airport?

    Some of the most popular sights in London Heathrow Airport are Hyde Park, Tower Bridge, and Royal Albert Hall. These are among the most viewed places in London Heathrow Airport on KAYAK.

  • How expensive are last-minute San Salvador to London Heathrow Airport flights?

    Last-minute fares on this route (booked within 2 weeks of departure) run 5% above the route average of £845. Book 17 weeks before departure for the lowest fares.

  • How long is a flight from San Salvador to London Heathrow Airport?

    A direct flight from San Salvador to London Heathrow Airport takes 0h 00m, covering 5,431 miles.

  • Do I need a passport to fly from San Salvador to London Heathrow Airport?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • Have flight prices from San Salvador to London Heathrow Airport changed much recently?

    Yes. Based on fares seen in the past 5 days, return flight prices on this route showed a wide range, from about £629 to £4,192. That means the highest observed fare was about 7x higher than the lowest one.

  • How are flight prices from San Salvador to London Heathrow Airport looking right now?

    One-way fares from San Salvador to London Heathrow Airport are currently lower than usual. Average one-way flight prices are about £375, which is 27% below the typical average for this route.

  • How much time can I save by choosing a different stopover airport from San Salvador to London Heathrow Airport?

    Flying via Toronto Pearson Intl (YYZ) gives the shortest average 1-stop total travel time of 16h 32m, compared to 16h 49m via Newark (EWR) and 17h 05m via Madrid Barajas (MAD).

  • What is the time difference between San Salvador and London Heathrow Airport?

    London Heathrow Airport is 7 hours ahead of San Salvador (British Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

  • Which car hire options are available at London Heathrow Airport (LHR)?

    London Heathrow Airport (LHR) hosts 5 major car hire companies, with daily rates starting from around £5 for economy cars. Top options include:
    • GREEN MOTION
    • DRIVALIA
    • Europcar
    • Alamo
    • Hertz

  • How much should I expect to pay for a San Salvador to London Heathrow Airport flight?

    Return flights from San Salvador to London Heathrow Airport range from £782 to £945, with an average of £845 over the past 12 months. Anything below £782 counts as a good deal.

Your guide to booking San Salvador to London Heathrow Airport flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Monday departure instead of Saturday. On this route, Monday flights average £794 – about £129 less than Saturday (14% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 17 weeks before you fly. On this route, that window historically saves about 22% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your San Salvador to London Heathrow Airport trip for January. Fares historically average £737 return in that month – typically £222 less than the most expensive month, which is July (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to London Heathrow Airport.
    - Hilton London Heathrow Airport

More options for your flight from San Salvador to Heathrow

Complete your trip to London with a hotel stay or car hire

Car hire in London
Hotels in London
Holidays in London