If you want a cheap flight from San Salvador El Salvador to London, you've got three airlines to choose from. You can use the search box to filter your preferences, but we've found that the cheapest day to fly is 07 / Feb / 2025.
Make sure you use the search options above to search for flights to other airports in London, not just London Heathrow. The more options you look at, the better your chance of finding a cheap deal. Just so you know, the flight typically takes 17 hrs 15 mins.
There are about 15 flights to or via London every week, so you have plenty of options. Keep your eye out for flights with Air Canada, Delta Air Lines and Iberia Airlines – these are the most popular airlines for flying to .
During this peak season, hotel and holiday prices often increase too, so it's best to book early. Or you could keep your fingers crossed and hold out for a last-minute deal.