LHR - SAL

£312 Find Cheap Flights from London Heathrow Airport to San Salvador

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Heathrow to San Salvador departing on 10/5. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to San Salvador

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from London to San Salvador, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from London to San Salvador, as well as popular online travel agencies
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Everything you should know

Cheapest return fare
£593
Typical prices: £597-£673
Avianca
Tue 26/5Wed 3/6
LHR - SAL • 1 stop
Cheapest one-way flight
£312
Avianca
Sun 10/5
LHR - SAL • 1 stop
Top airlines
Cheapest • from £524 (return)
Best reviews • 7.8 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
Direct flights
Not available
There are currently no direct flights between Heathrow and San Salvador. You’ll need at least 1 connection.
Insights
Insights
Insights
Insights
Top stopover airports
Cheapest • Avg £620 (return)
Shortest trip • 16h 14m (one-way)
Insights
Insights
Insights
Insights
When to book
in advance
Our data shows that travellers who book at least 5 weeks in advance save around 26% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
Cheapest • 8% price drop
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
Start a new search
KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you love your trip to San Salvador!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Heathrow to San Salvador (LHR-SAL)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Heathrow to San Salvador that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Heathrow to San Salvador

Tue, 26 May - Wed, 3 Jun
Avianca Logo
22:05 - 06:30
LHR
-
SAL
15h 25m
1 stop
Avianca Logo
12:05 - 15:35
SAL
-
LHR
20h 30m
1 stop
£593Avianca
Tue, 5 May - Sat, 23 May
Avianca Logo
22:05 - 15:40
LHR
-
SAL
24h 35m
1 stop
Avianca Logo
08:05 - 15:35
SAL
-
LHR
24h 30m
1 stop
£607Avianca
Sat, 25 Apr - Sun, 31 May
Avianca Logo
22:05 - 06:30
LHR
-
SAL
15h 25m
1 stop
Avianca Logo
23:20 - 15:35
SAL
-
LHR
33h 15m
2 stops
£608Avianca
Tue, 5 May - Sat, 23 May
Avianca Logo
22:05 - 15:40
LHR
-
SAL
24h 35m
1 stop
Avianca Logo
12:05 - 15:35
SAL
-
LHR
20h 30m
1 stop
£609Avianca
Tue, 5 May - Sat, 23 May
Avianca Logo
22:05 - 15:40
LHR
-
SAL
24h 35m
1 stop
Avianca Logo
22:20 - 15:35
SAL
-
LHR
34h 15m
2 stops
£609Avianca
Sat, 25 Apr - Sun, 31 May
Avianca Logo
22:05 - 16:30
LHR
-
SAL
25h 25m
2 stops
Avianca Logo
22:20 - 15:35
SAL
-
LHR
34h 15m
2 stops
£610Avianca
Tue, 5 May - Sat, 23 May
Avianca Logo
22:05 - 11:05
LHR
-
SAL
20h 00m
1 stop
Avianca Logo
08:15 - 15:35
SAL
-
LHR
24h 20m
2 stops
£611Avianca
Tue, 5 May - Sat, 23 May
Avianca Logo
22:05 - 21:05
LHR
-
SAL
30h 00m
2 stops
Avianca Logo
08:15 - 15:35
SAL
-
LHR
24h 20m
2 stops
£612Avianca
Tue, 5 May - Sat, 23 May
Avianca Logo
22:05 - 21:05
LHR
-
SAL
30h 00m
2 stops
Avianca Logo
08:15 - 15:35
SAL
-
LHR
24h 20m
2 stops
£613Avianca
Tue, 21 Apr - Tue, 28 Apr
Avianca Logo
22:05 - 11:05
LHR
-
SAL
20h 00m
1 stop
Avianca Logo
12:05 - 15:35
SAL
-
LHR
20h 30m
1 stop
£615Avianca
Booking Insights

KAYAK’s insights & trends for Heathrow to San Salvador flights

Get data-powered insights and trends into flights from Heathrow to San Salvador to help you find the cheapest flights, the best time to fly and much more.

How much is a return flight from London Heathrow Airport to San Salvador?

This analysis is based on the cheapest return trip price found on KAYAK in the last 12 months by searching for a flight from London Heathrow Airport to San Salvador departing in May.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from London Heathrow Airport to San Salvador, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from London Heathrow Airport to San Salvador is October, where tickets cost £600 (return) on average. On the other hand, the most expensive months are February and December, where the average cost of round-trip tickets is £793 and £769 respectively.

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

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from London Heathrow Airport to San Salvador, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from London Heathrow Airport to San Salvador, you should book around 5 weeks before departure, which saves you about 26% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 20 weeks before departure.

Good to know - Cheap tickets from London Heathrow Airport to San Salvador

Low seasonJune
Cheapest flight£312
Best time to beat the crowds (6% less expensive on average)
Most popular time to fly (4% more expensive on average)
Flight from London Heathrow Airport to San Salvador

When to book flights from Heathrow to San Salvador

Are your dates flexible? Find out the best times to travel from Heathrow to San Salvador based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking London Heathrow Airport to San Salvador flights

  • What is the cheapest flight from London Heathrow Airport to San Salvador?

    In the last 3 days, the lowest price for a flight from London Heathrow Airport to San Salvador was £312 for a one-way ticket and £524 for a return.

  • Which airports will I be using when flying from London Heathrow Airport to San Salvador?

    London Heathrow Airport and San Salvador are both served by 1 main airport. You will leave London Heathrow Airport from London Heathrow and will be arriving at San Salvador El Salvador Intl.

  • Which aircraft models fly most regularly from London Heathrow Airport to San Salvador?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from London Heathrow Airport to San Salvador?

    SkyTeam, and Star Alliance are the airline alliances operating flights between London Heathrow Airport and San Salvador, with SkyTeam being the most commonly used for this route.

  • Which is the best airline for flights from London to San Salvador, KLM or United Airlines?

    The two airlines most popular with KAYAK users for flights from London to San Salvador are KLM and United Airlines. With an average price for the route of £636 and an overall rating of 7.8, KLM is the most popular choice. United Airlines is also a great choice for the route, with an average price of £672 and an overall rating of 7.4.

  • How does KAYAK find such low prices on flights from London Heathrow Airport to San Salvador?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from London Heathrow Airport to San Salvador.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from London Heathrow Airport to San Salvador?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San Salvador from London Heathrow Airport is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights from London Heathrow Airport to San Salvador?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to San Salvador with an airline and back to London Heathrow Airport with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from London Heathrow Airport to San Salvador?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to San Salvador from London Heathrow Airport up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top 5 airlines flying from Heathrow to San Salvador

 
See real verified KAYAK customer reviews for airlines flying from London to San Salvador. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Heathrow to San Salvador? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.8
KLMOverall score based on 1471 reviews
7.8Boarding
7.3Food
8.4Crew
7.6Comfort
7.1Entertainment
Airline reviews

It was really nice journey i personally recommend klm flight

10.0 Excellentsmit, Mar 2026
AMD - BLR
Read more KLM reviews

It was really nice journey i personally recommend klm flight

The crew were unprofessional with a racist element. I was physically abused as well from one of the crew members

Flight was on time, staff are friendly and helpful onboard.

Terrible last row seats many seats available but no offer to move to better seat

Delay on my previous leg, had to run to catch my flight. But that happens. Overall ok.

Flight was ok but lack of communication cost me to literally beg to be put on another flight as connecting flight had departed

Couldn’t get boarding pass in SLC even with help from a redcoat, so had to find a desk in AMS to get boarding pass. Technical problems so not sure why. Very inconvenient. The KLM app is not as user friendly as most apps. Also had to wait almost an hour on the tarmac for a fuel truck, which caused us to miss a connecting bus in LUX.

The immigration hall in Amsterdam was understaffed, so passport checking was slower than it should be for a major airport. They need to get the automatic readers up and running for non EU passport holders. Waiting in line after a long flight feels a bit abusive.

Over 1 Hr delay. No APU so no AC on ground. Plane was hot during boarding and then they closed the doors over 20 minutes before engine start so interior of plane was steamy hot and stuffy. Could have been helped by opening doors until ready to depart.

First of all we couldn’t check in online, then we learn at the airport we were on stand by for KLM’s mistake of overbooking. The seats were not comfy at all. Our luggage got lost.

The travel company that you have on your site did me so wrong. I don’t know how it happened, but they put my son‘s name on my plane ticket flying to Vietnam. Along with his birthday. They would not have let me fly from Fort Myers to Ho Chi Minh City. I don’t think that I can ever use your service again. I typed my information into the browser along with my passport number and four days before I’m leaving I have to quickly search another ticket to fly out here.

Staff are not helpful, our flight was cancelled due to aircraft problem

Flight was delayed 45 minutes because originating flight was coming from Newark. No complimentary snacks were offered on this 5+ hour flight. No screens for the flight, but movies offered if you had already downloaded the United app (which I hadn't on my ipad). No USB ports, only a flimsy plug-in port near the bottom of the seat that was hard to see and kept coming unplugged.

everything was pretty good. Houston airport is awful. Unnecessarily inefficient; people working there are rude. Badly run

Staff on board was excellent. Positive upbeat helpful- like it used to be.

They brought an empty plane to the gate. Then a flight delay was announced for maintenance and waiting on a part. I was then put on a flight to San Francisco instead with a connecting flight to my final destination. Arrived at my final destination 2 hours late.

Ot was overall fine. Left on time and had basic snacks. Weather was finicky but that’s not the airlines fault.

United has come a long way, it’s been a fantastic experience traveling with them.

The flight attendants were very rude, beyond comprehension. I took a business class from London to SFO for the first time on United. When I asked for a second piece of bread during dinner, the serving attendant threw a 3rd bread on my plate and said, “here. You can have this one too”! I couldn’t believe the rudeness of the attendant. Most all attendants were very rude, unhelpful, sing the food was absolutely disgusting. Never fly United internationally in business class. My flight back to SFO was a nightmare!!

My experience on this United Airlines flight was highly uncomfortable, primarily due to two issues: Cabin Temperature: The temperature on the Boeing 737 MAX 8 was unacceptably high, feeling consistently around 80 degrees throughout the flight. This made sleeping impossible and significantly detracted from the experience. Seating Arrangement: Being stuck in a middle seat for a six-and-a-half-hour overnight flight compounded the discomfort. Moving forward, I will always purchase a seat assignment to avoid this situation.

It was good, seating was a little tight apart from that all was well.

everything was fine. but paying for 1 piece of check-in luggage and denying passengers to board with carry-on luggage which by air line's standards does not fit is not acceptable. when one travels for a longer time one needs to have some essentials

I liked the flight but the check in was horrendous. I have booked with you before but not ever had to pay extra for luggage, it was not clear on booking, I didn't know there was different categories of economy that meant different allowances. So was alarmed when we had to pay a further £120 at the check-in at a point of not changing.

It's kindof ridiculous that your system is even asking me about this since my flight was canceled and I wasn't rescheduled.

I wish they gave the earphones earlier rather than when we are already in flight.

Very nice staff members are very nice and friendly helpful

We were a little late pushing back ,but arrived a head of time.

W ended up getting stuck in Edinburgh Scotland during the air strike. They cancelled our flight and No help to get us rebooked. All said down that cost us over $2,000 extra at least to get home. Hopefully we will be reimbursed somehow! Won’t be flying Air Canada again

It was good except I was sitting beside a bigger gentleman so I didn’t have much room

The 787 Dreamliner that we flew on was relatively new and a nice aircraft. We flew on a 777 which was noticeably older and the seats were average” but the 787 was very nice, especially for the price. No window blinds anymore, instead high tech adjustable polychromatic glass!! Nice.

Flight map did not work. Crew was great, food was good, plane took off on time and landed early. That's all I can ask.

The service was fabulous and the food was excellent. My luggage was left in Frankfurt due to late arrival but it is supposed to arriving on tonight’s flight.

Paid for exit row at the back of the plane. Window seat with lots of leg space. Food was inedible (as usual). Brought my own.

We would have missed our connection from Munich to Boston but we had a van outside the plan that wisked us to our terminal. Much appreciated and we didn’t even realize that Lufthansa had done this until the announcement on disembarkation. Well organized airline! Will definitely fly Lufthansa again!!!

Efficiency of staff, and comfort and cleanliness of aircraft was all great. Maybe a hot drink without payment at that time in the morning would be good!

The food could be better, more snacks. And have some plugs to chargue the phone.

It was as good as a flight in economy can be.

The plane was late (as was my flight out from Birmingham the day before)

The food not that great. Did not like the fact that we could not purchase upgrade at the airport

The flight was delayed by an hour. Made the connection uncomfortably tight.

Horrible experience with Avianca, they delayed their flight and when we arrived to NYC, AVIANCA took 1 hr y 30 mins to park the airplane and all passenger get off the plane, it made me lost all my trains to get back home and I came back to my place at 3 am instead of 12 am. On the top of that their plane seat are so uncomfortable and is not enough space and killed my legs and knees, Avianca used to be good when it was a Colombian company, now after Brasilian company bought them, their service quality is bad and their flights are delayed and oversold.

It was delayed and I lost my connection flight to Cali and I missed my Mom's funeral

I actually upgraded to the medium level of seats from basic and even doing that it may have been physically the most uncomfortable flight I have ever had. They packed everyone like is a train to death camp. It was a red eye so I hoped to get some sleep but it was physically impossible to find a comfortable way to rest. I met other folks on the same flight and they said the same thing. It was an utterly miserable flight and if I have any other options I will never fly with them again

Deplaning was a mess, I sat in business (seats are horrible) and the front door had a problem so we had to deplane from the rear exit. The stairs were not tall enough to reach so there was a large step down from the plane to the top of the stairs.

Staff are the rudest in the industry … awful customer service … will never fly Avianca again

I handed in my suitcase in perfect condition at SAL Airport. And in MIA Airport I received it with one corner broken and the wheels bent.

No free snacks nor drinks on very short 30min flight. Entertainment system is over wifi to your own phone or tablet, which is good but often a show or movie just stops and refuses to continue

Not even water is offered on the flight. You cannot lean back on the seats and the seats are so narrow you can’t avoid rubbing elbows with the person next to you.

I had to go to the boarding counter for them to enter my return flight as it’s not with Avianca. There was a long queue as there were lots of people being called to the counter.

Did not fly with Pakistan International Airlines. Have never flown with Pakistan International Airlines.

Everything you need to know for your flight from Heathrow to San Salvador

Information on your arrival and departure airports