Cheap flights from San Salvador to London from £394
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Salvador to London departing on 19/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names, great deals
Big names, great deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customise your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from San Salvador to London
Cheap return flights
Cheap one-way flights
Cheap last-minute flights
United Airlines flights from San Salvador to London Heathrow Airport
Our best United Airlines deals on San Salvador to London Heathrow Airport flight tickets
Avianca flights from San Salvador to London Heathrow Airport
Our best Avianca deals on San Salvador to London Heathrow Airport flight tickets
See travel insights to London from
How to get the cheapest flight ticket from San Salvador to London Heathrow Airport
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the typical price of a round-trip flight between San Salvador and London Heathrow Airport?
What is the cheapest month to fly to London Heathrow Airport?
In general, January is the cheapest month to fly from San Salvador to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £561. The month of August is another great option to travel to London Heathrow Airport, with average flight prices from San Salvador averaging around £572.
What is the cheapest day to depart on your flight to London Heathrow Airport?
On average, the least expensive day to fly to London Heathrow Airport from San Salvador is on a Sunday. momondo users have found tickets for Sunday departures for as low as £623. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Saturday is £1,079.
What is the cheapest time of day to depart on your flight to London Heathrow Airport?
According to our data, the cheapest time of day to fly to London Heathrow Airport is at midday. momondo users have found flights departing from San Salvador to London Heathrow Airport at midday for as low as £620. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are £1,123 on average. Flights to London Heathrow Airport from San Salvador in the afternoon are generally more expensive because this time of day is more convenient for travellers’ schedules.
How far in advance should I book a flight to London Heathrow Airport?
You are more likely to see cheaper flights to London Heathrow Airport from San Salvador when booking 18 weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around £669 when searching 18 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from San Salvador for as low as £558 on momondo.
When to book flights from San Salvador to London Heathrow Airport
Cheap San Salvador to London Heathrow Airport (SAL to LHR) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from San Salvador to London Heathrow Airport
How far is San Salvador El Salvador Intl to London Heathrow by plane?
The distance between San Salvador El Salvador Intl and London Heathrow is about 5424.0 mi. By plane, this route typically takes 13h 54m.
When did momondo last update prices for flights from San Salvador El Salvador Intl Airport to London Heathrow Airport?
Prices for flights from San Salvador El Salvador Intl Airport to London Heathrow Airport are updated daily.
How many operators does momondo search for flights from San Salvador El Salvador Intl Airport to London Heathrow Airport?
As of May 2025, there are 2 operators available to choose from for flights from San Salvador El Salvador Intl Airport to London Heathrow Airport.
How old do you have to be to fly from San Salvador El Salvador Intl Airport to London Heathrow Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from San Salvador El Salvador Intl Airport to London Heathrow Airport.
What documentation or ID do you need to fly to London Heathrow Airport?
The necessary travel and health documents for your London Heathrow Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from San Salvador to London Heathrow Airport?
momondo data reveals that the most frequently booked airline on the route from San Salvador to London Heathrow Airport is United Airlines, representing 61% of all bookings. The subsequent popular airline is Iberia at 39%.
Best airlines flying from San Salvador to London Heathrow Airport
Compare and see reviews for airlines that fly from San Salvador to London Heathrow Airport with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom £550 | Free Cancellation | Rating 7.4 8,696 reviews | |||
| PriceFrom £791 | Free Cancellation | Rating 7.0 2,701 reviews |
Travelling to a place near London?
Book flights to London if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from San Salvador to London?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to London from San Salvador.
Can I find flights from San Salvador to London with flexible booking policies on momondo?
Yes. All flights to London from San Salvador on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from San Salvador to London?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from San Salvador to London.
I’m not ready to book a flight from San Salvador to London right now. Can momondo alert me if prices change?
Price alerts on flights to London from San Salvador are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.