Cheap flights from San Salvador to London Heathrow Airport from £258
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 30/9. Fares are subject to change and may not be available on all flights or dates of travel.
SAL — LHR
23 Jul — 30 Jul1
Return
1 adult
Economy
Cheapflights Tip: The best prices from San Salvador El Salvador Intl to London Heathrow are usually found in August or September, booked 68 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 18 July 2025.
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 18 July 2025.
Wed 1/1006:40SAL - LHR
2 stops19h 35mMultiple Airlines
Wed 15/1010:45LHR - SAL
1 stop17h 07mMultiple Airlines
Deal found 16/7£566
Wed 1/1013:37SAL - LHR
1 stop34h 08mKLM
Wed 15/1015:15LHR - SAL
1 stop27h 55mKLM
Deal found 18/7£656
Thu 27/1114:50SAL - LHR
2 stops42h 00mUnited Airlines
Sun 30/1113:00LHR - SAL
2 stops38h 19mUnited Airlines
Deal found 15/7£790
Fri 19/1208:15SAL - LHR
1 stop16h 15mAir Canada
Sun 4/107:50LHR - SAL
2 stops42h 25mAir Canada
Deal found 17/7£797
Best flights from San Salvador to Heathrow
Discover carefully curated flight deals from San Salvador to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 18 July 2025.
Wed 1/1006:40SAL - LHR
2 stops19h 35mMultiple Airlines
Wed 15/1010:45LHR - SAL
1 stop17h 07mMultiple Airlines
Deal found 16/7£566
Wed 1/1013:37SAL - LHR
1 stop34h 08mKLM
Wed 15/1015:15LHR - SAL
1 stop27h 55mKLM
Deal found 18/7£656
Thu 27/1114:50SAL - LHR
2 stops42h 00mUnited Airlines
Sun 30/1113:00LHR - SAL
2 stops38h 19mUnited Airlines
Deal found 15/7£790
Fri 19/1208:15SAL - LHR
1 stop16h 15mAir Canada
Sun 4/107:50LHR - SAL
2 stops42h 25mAir Canada
Deal found 17/7£797
Last-minute flights from San Salvador to Heathrow
Discover last-minute flight deals from San Salvador to Heathrow. Data last updated 18 July 2025 and is based on user searches.
Mon 4/808:10SAL - LHR
1 stop17h 25mAir Canada
Mon 11/808:30LHR - SAL
1 stop18h 45mAir Canada
Deal found 17/7£866
Sun 10/811:50SAL - LHR
3 stops20h 45mAvianca
Tue 30/922:05LHR - SAL
2 stops25h 20mAvianca
Deal found 17/7£1,091
Sat 16/809:40SAL - LHR
2 stops16h 45mMultiple Airlines
Sat 23/810:45LHR - SAL
2 stops26h 40mMultiple Airlines
Deal found 17/7£782
Sun 31/813:52SAL - LHR
1 stop14h 18mKLM
Sat 6/913:05LHR - SAL
1 stop30h 22mKLM
Deal found 18/7£656
Sun 31/802:00SAL - LHR
1 stop26h 10mUnited Airlines
Wed 10/907:25LHR - SAL
2 stops19h 52mUnited Airlines
Deal found 17/7£804
One-way flights from San Salvador to Heathrow
Search for one-way flight options from San Salvador to Heathrow. Find affordable one-way fares based on user searches. Data last updated 18 July 2025.
Tue 30/922:55SAL - LHR
2 stops30h 00mMultiple Airlines
Deal found 17/7£258
Sun 21/922:05SAL - LHR
1 stop34h 30mAvianca
Deal found 18/7£433
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 18 July 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
Wed 1/10
06:40-09:15
2 stops19h 35m
London Heathrow
Wed 15/10
10:45-20:52
1 stop17h 07m
£566
San SalvadorLondon
SAL - LHR
SALLHR
San Salvador El Salvador Intl
Wed 1/10
13:37-06:45
1 stop34h 08m
London Heathrow
Wed 15/10
15:15-12:10
1 stop27h 55m
£656
San SalvadorLondon
SAL - LHR
SALLHR
San Salvador El Salvador Intl
Thu 27/11
14:50-14:50
2 stops42h 00m
London Heathrow
Sun 30/11
13:00-21:19
2 stops38h 19m
£790
San SalvadorLondon
SAL - LHR
SALLHR
San Salvador El Salvador Intl
Fri 19/12
08:15-06:30
1 stop16h 15m
London Heathrow
Sun 4/1
07:50-20:15
2 stops42h 25m
£797
San SalvadorLondon
SAL - LHR
SALLHR
San Salvador El Salvador Intl
Tue 30/9
22:55-11:55
2 stops30h 00m
£258
San SalvadorLondon
SAL - LHR
SALLHR
San Salvador El Salvador Intl
Sun 21/9
10:15-15:35
1 stop46h 20m
£433
Flights are sorted by cheapest return flights first.
Deals found on 17/7
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 11 July 2025.
The best time to book flights from San Salvador to London Heathrow Airport is 68 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 18 July 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.
How much does it cost for a return flight from San Salvador to London Heathrow Airport?
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 18 July 2025.
Read reviews from past customers who have flown with KLM, United Airlines, andAir Canada
from San Salvador to London Heathrow Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
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 United Airlines and Air Canada - these airlines can fly you to your destination from £790 and £797, respectively. Users have found that KLM is 5% cheaper than the other options available to this destination.
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.
Explore flights to Heathrow departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 18 July 2025.
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 18 July 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 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.
We value your privacy
Cheapflights and its partners wish to use cookies or similar technologies to store and/or access information on and about your device and process personal data such as your IP address, device identifiers etc., in order to improve your experience on the site, to analyse navigation, to offer and measure personalised advertising, and to facilitate sharing on social networks. We also allow the use of third-party cookies (including those from our advertising partners) on our sites.
By clicking 'Accept', you consent to your data being processed by 0 vendors on this web site for the purposes described in this notice. You can review the vendors and their individual processing purposes on the .
To review individual processing purposes and cookie categories, please click ’Select individual purposes’. You can review your choices and withdraw your consent at any time by clicking the ’Privacy Preferences’ link in the page side navigation.