Cheap flights from London Heathrow Airport to San Salvador from £406
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 28/3. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SAL
11 Jan — 18 Jan1
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 12 December 2025.
Fri 26/1210:00LHR - SAL
1 stop20h 36mMultiple Airlines
Tue 30/1216:40SAL - LHR
2 stops31h 15mMultiple Airlines
Deal found 10/12£573
Fri 26/1212:05LHR - SAL
1 stop18h 31mAir Canada
Mon 29/1202:00SAL - LHR
1 stop26h 15mAir Canada
Deal found 10/12£575
Fri 26/1210:00LHR - SAL
1 stop20h 36mUnited Airlines
Tue 30/1223:54SAL - LHR
1 stop15h 26mUnited Airlines
Deal found 10/12£588
Thu 25/1212:05LHR - SAL
1 stop15h 14mLufthansa
Fri 16/123:54SAL - LHR
1 stop24h 26mLufthansa
Deal found 11/12£647
Thu 25/1211:35LHR - SAL
2 stops19h 01mUnited Airlines
Fri 16/123:54SAL - LHR
1 stop15h 26mUnited Airlines
Deal found 10/12£697
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 12 December 2025.
Thu 8/108:00LHR - SAL
2 stops19h 19mUnited Airlines
Wed 11/206:55SAL - LHR
2 stops21h 30mUnited Airlines
Deal found 10/12£503
Thu 8/107:40LHR - SAL
2 stops19h 39mUnited Airlines
Mon 9/203:00SAL - LHR
1 stop28h 30mUnited Airlines
Deal found 10/12£503
Sun 11/110:00LHR - SAL
1 stop17h 19mUnited Airlines
Sat 7/206:55SAL - LHR
1 stop21h 20mUnited Airlines
Deal found 10/12£503
Fri 6/213:35LHR - SAL
2 stops29h 44mUnited Airlines
Wed 18/305:55SAL - LHR
1 stop22h 20mUnited Airlines
Deal found 11/12£503
Fri 9/116:20LHR - SAL
2 stops26h 59mUnited Airlines
Thu 5/206:55SAL - LHR
1 stop18h 35mUnited Airlines
Deal found 10/12£503
Sun 8/207:40LHR - SAL
2 stops21h 07mUnited Airlines
Tue 17/302:00SAL - LHR
1 stop29h 30mUnited Airlines
Deal found 11/12£503
Sat 10/108:00LHR - SAL
2 stops19h 19mUnited Airlines
Thu 5/206:55SAL - LHR
1 stop18h 35mUnited Airlines
Deal found 10/12£503
Thu 5/212:45LHR - SAL
2 stops23h 00mUnited Airlines
Mon 9/206:55SAL - LHR
2 stops21h 55mUnited Airlines
Deal found 9/12£503
Sat 10/108:00LHR - SAL
2 stops19h 19mUnited Airlines
Tue 10/216:40SAL - LHR
2 stops31h 15mUnited Airlines
Deal found 10/12£503
Wed 4/207:25LHR - SAL
2 stops19h 54mUnited Airlines
Wed 18/305:55SAL - LHR
1 stop19h 35mUnited Airlines
Deal found 11/12£503
Sat 10/108:00LHR - SAL
2 stops19h 19mUnited Airlines
Mon 9/206:55SAL - LHR
2 stops20h 15mUnited Airlines
Deal found 10/12£503
Last-minute flights from Heathrow to San Salvador
Discover last-minute flight deals from Heathrow to San Salvador. Data last updated 12 December 2025 and is based on user searches.
Thu 25/1212:05LHR - SAL
1 stop15h 14mLufthansa
Fri 16/123:54SAL - LHR
1 stop24h 26mLufthansa
Deal found 11/12£647
Fri 26/1210:00LHR - SAL
1 stop20h 36mMultiple Airlines
Tue 30/1216:40SAL - LHR
2 stops31h 15mMultiple Airlines
Deal found 10/12£573
Fri 26/1212:05LHR - SAL
1 stop18h 31mAir Canada
Mon 29/1202:00SAL - LHR
1 stop26h 15mAir Canada
Deal found 10/12£575
Fri 26/1210:00LHR - SAL
1 stop20h 36mUnited Airlines
Tue 30/1223:54SAL - LHR
1 stop15h 26mUnited Airlines
Deal found 10/12£588
Thu 8/109:10LHR - SAL
2 stops18h 09mUnited Airlines
Mon 9/206:55SAL - LHR
2 stops21h 30mUnited Airlines
Deal found 10/12£503
Thu 8/110:00LHR - SAL
1 stop17h 19mUnited Airlines
Sun 8/223:54SAL - LHR
1 stop14h 41mUnited Airlines
Deal found 10/12£619
Fri 9/115:35LHR - SAL
2 stops29h 14mAmerican Airlines
Tue 10/215:21SAL - LHR
1 stop14h 54mAmerican Airlines
Deal found 10/12£614
Sun 11/119:05LHR - SAL
2 stops23h 26mAmerican Airlines
Mon 9/215:49SAL - LHR
2 stops24h 21mAmerican Airlines
Deal found 10/12£618
Mon 26/111:55LHR - SAL
1 stop32h 26mAmerican Airlines
Fri 30/115:49SAL - LHR
1 stop14h 31mAmerican Airlines
Deal found 11/12£511
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 12 December 2025.
Sat 28/308:50LHR - SAL
3 stops51h 05mMultiple Airlines
Deal found 10/12£406
Mon 12/106:00LHR - SAL
2 stops21h 55mMultiple Airlines
Deal found 10/12£550
Sat 28/315:50LHR - SAL
1 stop26h 35mKLM
Deal found 10/12£562
Mon 12/121:40LHR - SAL
1 stop24h 00mAvianca
Deal found 11/12£583
Mon 12/110:45LHR - SAL
1 stop32h 25mKLM
Deal found 10/12£601
Thu 1/110:45LHR - SAL
1 stop32h 22mKLM
Deal found 11/12£646
Wed 31/1206:35LHR - SAL
2 stops44h 30mMultiple Airlines
Deal found 11/12£689
Tue 30/1208:45LHR - SAL
3 stops36h 02mMultiple Airlines
Deal found 11/12£701
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 12 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 12 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
Thu 8/1
08:00-21:19
2 stops19h 19m
San Salvador El Salvador Intl
Wed 11/2
06:55-10:25
2 stops21h 30m
£503
LondonSan Salvador
LHR - SAL
LHRSAL
London Heathrow
Thu 8/1
07:40-21:19
2 stops19h 39m
San Salvador El Salvador Intl
Mon 9/2
03:00-13:30
1 stop28h 30m
£503
LondonSan Salvador
LHR - SAL
LHRSAL
London Heathrow
Sun 11/1
10:00-21:19
1 stop17h 19m
San Salvador El Salvador Intl
Sat 7/2
06:55-10:15
1 stop21h 20m
£503
LondonSan Salvador
LHR - SAL
LHRSAL
London Heathrow
Fri 6/2
13:35-13:19
2 stops29h 44m
San Salvador El Salvador Intl
Wed 18/3
05:55-10:15
1 stop22h 20m
£503
LondonSan Salvador
LHR - SAL
LHRSAL
London Heathrow
Fri 9/1
16:20-13:19
2 stops26h 59m
San Salvador El Salvador Intl
Thu 5/2
06:55-07:30
1 stop18h 35m
£503
LondonSan Salvador
LHR - SAL
LHRSAL
London Heathrow
Sun 8/2
07:40-22:47
2 stops21h 07m
San Salvador El Salvador Intl
Tue 17/3
02:00-13:30
1 stop29h 30m
£503
LondonSan Salvador
LHR - SAL
LHRSAL
London Heathrow
Sat 10/1
08:00-21:19
2 stops19h 19m
San Salvador El Salvador Intl
Thu 5/2
06:55-07:30
1 stop18h 35m
£503
LondonSan Salvador
LHR - SAL
LHRSAL
London Heathrow
Thu 5/2
12:45-05:45
2 stops23h 00m
San Salvador El Salvador Intl
Mon 9/2
06:55-10:50
2 stops21h 55m
£503
LondonSan Salvador
LHR - SAL
LHRSAL
London Heathrow
Sat 10/1
08:00-21:19
2 stops19h 19m
San Salvador El Salvador Intl
Tue 10/2
16:40-05:55
2 stops31h 15m
£503
LondonSan Salvador
LHR - SAL
LHRSAL
London Heathrow
Wed 4/2
07:25-21:19
2 stops19h 54m
San Salvador El Salvador Intl
Wed 18/3
05:55-07:30
1 stop19h 35m
£503
Flights are sorted by cheapest return flights first.
Deals found on 10/12
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 5 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 £492). Flying from London Heathrow Airport to San Salvador in May is currently the most expensive (average of £612). 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 12 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 57% 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 £498.
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 12 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 United Airlines fly from London Heathrow Airport to San Salvador in about 19h 19m. 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 £494. Additional return tickets that might be worth considering are offered by KLM and United Airlines, with the lowest prices starting at £551 and £553, respectively. These flights start at 21% 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 £492). Flying from London Heathrow Airport to San Salvador in May is currently the most expensive (average of £612). 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 12 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 12 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 12 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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