Question 1

What are the cheapest airlines flying from London Heathrow Airport to San Salvador round-trip?

Accepted Answer

Flying on United Airlines is currently your cheapest option to San Salvador, with prices starting at £588. Additional return tickets that might be worth considering are offered by Lufthansa and Air Canada, with the lowest prices starting at £590 and £611, respectively. These flights start at 5% lower than the current average price 3 months from now.

Question 2

What are the cheapest airlines to fly from London Heathrow Airport to San Salvador one-way?

Accepted Answer

£513 is the cheapest one-way deal found within the past few days, from Avianca. You may also be able to find cheap deals on KLM and United Airlines, with prices starting from £722 and £811, respectively.

Question 3

How far ahead should I book a flight from London Heathrow Airport to San Salvador?

Accepted Answer

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.

Question 4

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

Accepted Answer

Travellers seeking maximum savings on their London Heathrow Airport to San Salvador flight should consider departing on Monday afternoons when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Question 5

E

Accepted Answer

In terms of precipitation, rainfall in San Salvador ranges from 0.0 - 330.0 inches per month. August is typically the wettest month, when rainfall can reach 330.0 mm. February is typically the driest time to visit San Salvador when rainfall is around 0.0 mm.

Question 6

E

Accepted Answer

If weather is an important factor for your trip to San Salvador, use this chart to help with planning. For those seeking warmer temperatures, March is the ideal time of year to visit, when temperatures reach an average of 25.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 C).

Question 7

What are the most popular airlines that fly from London Heathrow Airport to San Salvador?

Accepted Answer

Consider Air Canada, Avianca or KLM when booking your flight. These represent the most popular airlines when flying from London Heathrow Airport to San Salvador.

Question 8

What is the cheapest day to fly round-trip from London Heathrow Airport to San Salvador?

Accepted Answer

Departing on a Tuesday is a good option for securing a great price. You can expect to save up to 17% when planning your travel around this day of the week.

Question 9

How far in advance should I book a flight from London Heathrow Airport to San Salvador?

Accepted Answer

Find a great deal and save up to 22% by booking at least 44 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from London Heathrow Airport to San Salvador within the next two weeks, with the cheapest ticket starting at £554.

Question 10

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

Accepted Answer

The best pricing can be found in the month of October. Prices to San Salvador from London Heathrow Airport average £608. You can even find prices in October for less than £608, as users have found deals to San Salvador from as low as £506. The month of December appears to be one of the more expensive times to travel to San Salvador from London Heathrow Airport. Flying in the targeted month can save you up to 24%.

Question 11

What is the cheapest time of day to fly from LHR to SAL?

Accepted Answer

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.

Question 12

What airport do you fly into for flights to San Salvador from London Heathrow?

Accepted Answer

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.

Question 13

Can I find deals for flights from Heathrow to San Salvador that include hotel bookings?

Accepted Answer

Yes. In addition to deals on Heathrow to San Salvador flights, Cheapflights offers holiday packages that include both flights and hotel.

Question 14

How can I find direct flights from Heathrow to San Salvador?

Accepted Answer

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to San Salvador.

Question 15

Can I find deals for business class flights from Heathrow to San Salvador?

Accepted Answer

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.

Question 16

How does Cheapflights help users find flights from Heathrow to San Salvador?

Accepted Answer

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.

Question 17

Why should you use Cheapflights to find cheap flight tickets from Heathrow to San Salvador?

Accepted Answer

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.

Question 18

Can Cheapflights find flights from Heathrow to San Salvador with no change fees?

Accepted Answer

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.

Question 19

Can Cheapflights notify me if prices for flights from Heathrow to San Salvador become cheaper?

Accepted Answer

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.

Round-trip from	£588
One-way from	£359
Popular in	December
Cheapest in	March
Average price	£637

Airline	Cheapest	Average	Flexibility	On-time
Avianca	Cheapest£480	Average£727	FlexibilityNo cancel fee	On-time71%	Search Avianca flights
KLM	Cheapest£506	Average£575	FlexibilityNo cancel fee	On-time75%	Search KLM flights
Air Canada	Cheapest£513	Average£707	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
United Airlines	Cheapest£541	Average£596	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Lufthansa	Cheapest£541	Average£602	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights

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

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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.

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Best time to book a flight from Heathrow to San Salvador

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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.

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.

How much does it cost for a return flight from London Heathrow Airport to San Salvador?

Reviews of airlines servicing San Salvador

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.

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?

What are the cheapest airlines flying from London Heathrow Airport to San Salvador round-trip?

What are the cheapest airlines to fly from London Heathrow Airport to San Salvador one-way?

Can I find deals for flights from Heathrow to San Salvador that include hotel bookings?

How can I find direct flights from Heathrow to San Salvador?

Can I find deals for business class flights from Heathrow to San Salvador?

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Alternative routes for Heathrow to San Salvador

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Top 5 airlines flying from Heathrow to San Salvador

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How does Cheapflights help users find flights from Heathrow to San Salvador?

Why should you use Cheapflights to find cheap flight tickets from Heathrow to San Salvador?

Can Cheapflights find flights from Heathrow to San Salvador with no change fees?

Can Cheapflights notify me if prices for flights from Heathrow to San Salvador become cheaper?

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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 2 July 2025.