Cheap flights from London Heathrow Airport to San Salvador from £364
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 19/2. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SAL
26 Jan — 2 Feb1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from London Heathrow to San Salvador El Salvador Intl are usually found in March or September, booked 79 days in advance, depart on a Wednesday or Monday and return on a Friday
Cheap flight deals from Heathrow to San Salvador
Enter your travel dates to find the best prices.
Cheapest flights from Heathrow to San Salvador
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 27 December 2025.
Fri 26/1212:05LHR - SAL
1 stop31h 14mUnited Airlines
Tue 30/1223:54SAL - LHR
1 stop14h 41mUnited Airlines
Deal found 25/12£785
Thu 25/1212:30LHR - SAL
1 stop30h 37mKLM
Fri 16/114:35SAL - LHR
1 stop35h 15mKLM
Deal found 25/12£875
Thu 25/1213:00LHR - SAL
2 stops30h 07mDelta
Fri 16/114:35SAL - LHR
2 stops23h 35mDelta
Deal found 25/12£890
Thu 25/1212:05LHR - SAL
1 stop15h 14mUnited Airlines
Fri 16/116:40SAL - LHR
2 stops31h 15mUnited Airlines
Deal found 25/12£900
Fri 26/1222:35LHR - SAL
2 stops37h 40mTurkish Airlines
Tue 30/1208:00SAL - LHR
3 stops31h 05mTurkish Airlines
Deal found 25/12£3,432
Best flights from Heathrow to San Salvador
Discover carefully curated flight deals from Heathrow to San Salvador that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 27 December 2025.
Mon 13/409:55LHR - SAL
1 stop18h 16mMultiple Airlines
Mon 27/406:40SAL - LHR
2 stops18h 05mMultiple Airlines
Deal found 26/12£574
Mon 13/422:05LHR - SAL
2 stops30h 00mAvianca
Mon 27/422:20SAL - LHR
2 stops34h 15mAvianca
Deal found 26/12£588
Fri 6/214:45LHR - SAL
2 stops27h 46mAmerican Airlines
Sun 15/216:00SAL - LHR
1 stop14h 05mAmerican Airlines
Deal found 27/12£629
Fri 6/210:00LHR - SAL
1 stop17h 19mUnited Airlines
Sat 14/206:55SAL - LHR
1 stop18h 35mUnited Airlines
Deal found 27/12£629
Mon 26/120:00LHR - SAL
2 stops18h 40mMultiple Airlines
Mon 2/222:40SAL - LHR
1 stop25h 40mMultiple Airlines
Deal found 27/12£578
Sun 25/121:40LHR - SAL
1 stop19h 25mAvianca
Wed 28/112:05SAL - LHR
1 stop20h 30mAvianca
Deal found 25/12£603
Thu 5/321:40LHR - SAL
1 stop24h 00mAvianca
Mon 9/322:05SAL - LHR
1 stop34h 30mAvianca
Deal found 24/12£603
Sun 1/212:25LHR - SAL
2 stops25h 40mMultiple Airlines
Sat 7/222:05SAL - LHR
2 stops37h 25mMultiple Airlines
Deal found 26/12£604
Mon 26/121:40LHR - SAL
1 stop19h 25mAvianca
Fri 30/108:00SAL - LHR
1 stop24h 35mAvianca
Deal found 27/12£622
Sun 1/221:40LHR - SAL
1 stop24h 00mAvianca
Sat 7/212:05SAL - LHR
1 stop20h 30mAvianca
Deal found 26/12£622
Thu 5/221:40LHR - SAL
2 stops29h 25mAvianca
Sun 15/208:10SAL - LHR
2 stops24h 25mAvianca
Deal found 27/12£626
Last-minute flights from Heathrow to San Salvador
Discover last-minute flight deals from Heathrow to San Salvador. Data last updated 27 December 2025 and is based on user searches.
Sat 17/110:00LHR - SAL
1 stop17h 19mUnited Airlines
Thu 29/106:55SAL - LHR
2 stops21h 55mUnited Airlines
Deal found 25/12£630
Thu 22/118:40LHR - SAL
2 stops33h 39mMultiple Airlines
Thu 29/119:05SAL - LHR
3 stops34h 10mMultiple Airlines
Deal found 25/12£566
Sun 25/121:40LHR - SAL
1 stop19h 25mAvianca
Wed 28/112:05SAL - LHR
1 stop20h 30mAvianca
Deal found 25/12£603
Mon 26/112:00LHR - SAL
1 stop28h 53mMultiple Airlines
Mon 2/223:19SAL - LHR
1 stop15h 16mMultiple Airlines
Deal found 27/12£567
Mon 26/121:40LHR - SAL
2 stops51h 25mAvianca
Fri 30/112:05SAL - LHR
1 stop20h 30mAvianca
Deal found 26/12£620
Thu 29/106:00LHR - SAL
2 stops21h 55mMultiple Airlines
Thu 26/209:35SAL - LHR
2 stops19h 50mMultiple Airlines
Deal found 25/12£587
One-way flights from Heathrow to San Salvador
Search for one-way flight options from Heathrow to San Salvador. Find affordable one-way fares based on user searches. Data last updated 27 December 2025.
Thu 19/213:25LHR - SAL
2 stops27h 40mMultiple Airlines
Deal found 27/12£364
Tue 17/214:50LHR - SAL
2 stops34h 50mMultiple Airlines
Deal found 27/12£364
Sun 22/206:00LHR - SAL
3 stops20h 30mMultiple Airlines
Deal found 27/12£393
Mon 16/206:00LHR - SAL
3 stops20h 30mMultiple Airlines
Deal found 27/12£401
Wed 18/220:00LHR - SAL
2 stops24h 56mMultiple Airlines
Deal found 27/12£408
Fri 20/220:00LHR - SAL
2 stops23h 11mMultiple Airlines
Deal found 27/12£461
Find 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 27 December 2025.
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 27 December 2025.
Use the filters below to find and compare flights from London Heathrow Airport to San Salvador that are best for you.
Fly from
Heathrow
Fly to
San Salvador
Route
Depart
Return
Price
LondonSan Salvador
LHR - SAL
LHRSAL
London Heathrow
Mon 13/4
09:55-21:11
1 stop18h 16m
San Salvador El Salvador Intl
Mon 27/4
06:40-07:45
2 stops18h 05m
£574
LondonSan Salvador
LHR - SAL
LHRSAL
London Heathrow
Mon 26/1
20:00-08:40
2 stops18h 40m
San Salvador El Salvador Intl
Mon 2/2
22:40-06:20
1 stop25h 40m
£578
LondonSan Salvador
LHR - SAL
LHRSAL
London Heathrow
Mon 13/4
22:05-21:05
2 stops30h 00m
San Salvador El Salvador Intl
Mon 27/4
22:20-15:35
2 stops34h 15m
£588
LondonSan Salvador
LHR - SAL
LHRSAL
London Heathrow
Sun 25/1
21:40-11:05
1 stop19h 25m
San Salvador El Salvador Intl
Wed 28/1
12:05-14:35
1 stop20h 30m
£603
LondonSan Salvador
LHR - SAL
LHRSAL
London Heathrow
Thu 5/3
21:40-15:40
1 stop24h 00m
San Salvador El Salvador Intl
Mon 9/3
22:05-14:35
1 stop34h 30m
£603
LondonSan Salvador
LHR - SAL
LHRSAL
London Heathrow
Sun 1/2
12:25-08:05
2 stops25h 40m
San Salvador El Salvador Intl
Sat 7/2
22:05-17:30
2 stops37h 25m
£604
LondonSan Salvador
LHR - SAL
LHRSAL
London Heathrow
Mon 26/1
21:40-11:05
1 stop19h 25m
San Salvador El Salvador Intl
Fri 30/1
08:00-14:35
1 stop24h 35m
£622
LondonSan Salvador
LHR - SAL
LHRSAL
London Heathrow
Sun 1/2
21:40-15:40
1 stop24h 00m
San Salvador El Salvador Intl
Sat 7/2
12:05-14:35
1 stop20h 30m
£622
LondonSan Salvador
LHR - SAL
LHRSAL
London Heathrow
Thu 5/2
21:40-21:05
2 stops29h 25m
San Salvador El Salvador Intl
Sun 15/2
08:10-14:35
2 stops24h 25m
£626
LondonSan Salvador
LHR - SAL
LHRSAL
London Heathrow
Fri 6/2
14:45-12:31
2 stops27h 46m
San Salvador El Salvador Intl
Sun 15/2
16:00-12:05
1 stop14h 05m
£629
Flights are sorted by cheapest return flights first.
Deals found on 27/12
Showing 1-10 of 18 results
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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.
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 London Heathrow Airport to San Salvador
Prices
More
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 19 December 2025.
Booking 78 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 month to book a flight from London Heathrow Airport to San Salvador?
Currently, June is the cheapest month in which you can book a flight from London Heathrow Airport to San Salvador (average of £488). Flying from London Heathrow Airport to San Salvador in May is currently the most expensive (average of £607). 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 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 27 December 2025.
It’s optimal to fly from London Heathrow Airport to San Salvador at midday. By choosing this option you can save up to 51% 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?
What’s the top stopover airport for flights from London Heathrow Airport to San Salvador?
Share of one-stop return flights from London Heathrow Airport to San Salvador chosen by Cheapflights users in the past 12 months, using the same stopover each way.
Toronto (YYZ) – chosen by Cheapflights users on 58% of one-stop itineraries from London Heathrow Airport to San Salvador on Cheapflights.
What’s the cheapest stopover airport for flights from London Heathrow Airport to San Salvador?
Average return fare for one-stop flights from London Heathrow Airport to San Salvador, chosen by Cheapflights users in the past 12 months, with the same stopover each way.
Dallas (DFW) is the most affordable one-stop option, with an average return flight price of £494.
What’s the fastest stopover option from London Heathrow Airport to San Salvador?
Shortest average travel time for one-stop one-way flights from London Heathrow Airport to San Salvador, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.
Flights via Miami (MIA) have the shortest average one-way travel time for one-stop routes: 15h 30m.
Which airport typically offers the quickest stopover for flights from London Heathrow Airport to San Salvador?
Average stopover duration for one-stop one-way flights from London Heathrow Airport to San Salvador, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Miami (MIA) offer the fastest connection on this route, with an average stopover time of 2h 18m.
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 27 December 2025.
Check out reviews from past customers who have flown with KLM, United Airlines, andAir Canada 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.
Not literally sitting in the very last row in the middle
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.
What airport do you fly into for flights to San Salvador from London Heathrow?
Most people fly into San Salvador El Salvador Intl (SAL) if they book a flight to San Salvador from London Heathrow. On average, El Salvador Intl has 0 inbound flights from London Heathrow per day from 5 airlines. San Salvador El Salvador Intl is conveniently located just 20.5 mi from San Salvador’s city center.
How long is the flight from London Heathrow Airport to San Salvador?
Airlines like Avianca fly from London Heathrow Airport to San Salvador in about 30h. The time it takes to get you to your destination can typically vary by up to . There are 5431 mi between London Heathrow Airport and San Salvador.
What are the cheapest airlines flying from London Heathrow Airport to San Salvador round-trip?
Flying on Avianca is currently your cheapest option to San Salvador, with prices starting at £490. Additional return tickets that might be worth considering are offered by United Airlines and KLM, with the lowest prices starting at £542 and £546, respectively. These flights start at 22% lower than the current average price 3 months from now.
Can I find deals for business class flights from Heathrow to San Salvador?
Yes. Cheapflights offers flight deals from Heathrow to San Salvador 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 London Heathrow Airport to San Salvador?
Currently, June is the cheapest month in which you can book a flight from London Heathrow Airport to San Salvador (average of £488). Flying from London Heathrow Airport to San Salvador in May is currently the most expensive (average of £607). 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.
Browse through other flights departing from Heathrow. Flights are based on user searches made on Cheapflights and were last updated on 27 December 2025.
Explore flights to San Salvador departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 27 December 2025.
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 27 December 2025.
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 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.
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