Cheap flights from London Heathrow Airport to San Salvador from £359
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 3/9. Fares are subject to change and may not be available on all flights or dates of travel.
Cheapflights Tip: The best prices from London Heathrow to San Salvador El Salvador Intl are usually found in March or September, booked 11 days in advance, depart on a Wednesday or Monday and return on a Friday
Cheap flight deals from Heathrow to San Salvador
Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to San Salvador (SAL). 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 2 July 2025.
Round-trip from | £588 |
---|---|
One-way from | £359 |
Popular in | December |
Cheapest in | March |
Average price | £637 |
Find flight deals from Heathrow to San Salvador
Cheapest flights from Heathrow to San SalvadorExplore the most affordable flight options available from Heathrow to San Salvador. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 July 2025.
Explore the most affordable flight options available from Heathrow to San Salvador. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 July 2025.
Cheapflights Fare Finder
Customise your flight search to find flights from Heathrow to San Salvador 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 2 July 2025.
Use the filters below to find and compare flights from London Heathrow Airport to San Salvador that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
LondonSan Salvador
LHR - SAL
LHRSAL
London Heathrow
Fri 8/8
13:00-21:35
1 stop15h 35m
San Salvador El Salvador Intl
Sat 16/8
13:25-11:35
1 stop15h 10m
LondonSan Salvador
LHR - SAL
LHRSAL
London Heathrow
Thu 23/10
13:05-04:50
1 stop22h 45m
San Salvador El Salvador Intl
Sun 9/11
16:40-10:15
1 stop35h 35m
LondonSan Salvador
LHR - SAL
LHRSAL
London Heathrow
Fri 19/9
19:40-05:55
1 stop17h 15m
San Salvador El Salvador Intl
Fri 3/10
19:30-19:45
1 stop17h 15m
LondonSan Salvador
LHR - SAL
LHRSAL
London Heathrow
Fri 15/8
10:00-23:58
1 stop20h 58m
San Salvador El Salvador Intl
Fri 22/8
06:00-07:40
1 stop18h 40m
LondonSan Salvador
LHR - SAL
LHRSAL
London Heathrow
Fri 19/9
20:10-11:35
2 stops22h 25m
San Salvador El Salvador Intl
Fri 3/10
12:35-09:25
1 stop13h 50m
LondonSan Salvador
LHR - SAL
LHRSAL
London Heathrow
Sun 24/8
17:25-12:27
1 stop26h 02m
San Salvador El Salvador Intl
Fri 29/8
13:52-06:20
2 stops57h 28m
LondonSan Salvador
LHR - SAL
LHRSAL
London Heathrow
Tue 21/10
22:05-06:00
1 stop14h 55m
San Salvador El Salvador Intl
Sat 8/11
16:05-14:35
1 stop16h 30m
LondonSan Salvador
LHR - SAL
LHRSAL
London Heathrow
Fri 22/8
08:40-20:22
2 stops18h 42m
San Salvador El Salvador Intl
Sat 30/8
13:52-06:45
1 stop33h 53m
LondonSan Salvador
LHR - SAL
LHRSAL
London Heathrow
Wed 3/9
15:05-09:23
2 stops25h 18m
LondonSan Salvador
LHR - SAL
LHRSAL
London Heathrow
Mon 24/11
21:40-16:25
1 stop24h 45m
Best time to book a flight from Heathrow to San Salvador
Have a flexible travel schedule? Discover the best time to fly to San Salvador from Heathrow with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from London Heathrow Airport to San Salvador
How far ahead should I book a flight from London Heathrow Airport to San Salvador?
Use this chart to determine the optimal time to book a return flight from Heathrow to San Salvador. Price data was last updated on 27 June 2025.
Booking 11 days in advance of your planned departure date is, on average, the best time to get cheap flights from London Heathrow Airport to San Salvador. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest time of day to fly from LHR to SAL?
Find hourly flight availability from Heathrow to San Salvador. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 2 July 2025.
It’s optimal to fly from London Heathrow Airport to San Salvador at midday. By choosing this option you can save up to 52% on the cost of your flight, compared to a flight in the evening.
How much does it cost for a return flight from London Heathrow Airport to San Salvador?
Reviews of airlines servicing San Salvador
Get insights into the airlines that provide service to San Salvador. 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 San Salvador. Reviews last updated 2 July 2025.
Check out reviews from past customers who have flown with KLM, Finnair, andUnited Airlines from London Heathrow Airport to San Salvador to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
Entertainment
Food
Crew
Overall
Comfort
Reviews
Anonymous,Jun 2025
AMS - BOS
Boarding
Entertainment
Food
Crew
Overall
Comfort
Reviews
Anonymous,Jun 2025
AMS - BOS
Boarding
Entertainment
Food
Crew
Overall
Comfort
Reviews
Anonymous,Jun 2025
AMS - BOS
Boarding
Entertainment
Food
Crew
Overall
Comfort
Reviews
Anonymous,Jun 2025
AMS - BOS
Boarding
Entertainment
Food
Crew
Overall
Comfort
Reviews
Anonymous,Jun 2025
AMS - BOS
Boarding
Entertainment
Food
Crew
Overall
Comfort
Reviews
Anonymous,Jun 2025
AMS - BOS
Related info for your journey
Find useful and relevant information for your journey from Heathrow to San Salvador. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Heathrow to San Salvador
See prices for flight routes from nearby airports that may be better suited for you.
Top 5 airlines flying from Heathrow to San Salvador
Discover the top 5 airlines that operate flights from Heathrow to San Salvador. 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 2 July 2025.
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How does Cheapflights help users find flights from Heathrow to San Salvador?
Deals for Heathrow to San Salvador flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.
Why should you use Cheapflights to find cheap flight tickets from Heathrow to San Salvador?
Millions of users choose and trust Cheapflights to book the best flight deals from Heathrow to San Salvador 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 Heathrow to San Salvador with no change fees?
Yes, we can. To see specific flights from Heathrow to San Salvador with no change fees, users can toggle flexible booking options after using the search form above to find flights.
Can Cheapflights notify me if prices for flights from Heathrow to San Salvador become cheaper?
Yes, Cheapflights offers price alerts on Heathrow to San Salvador flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.