Cheap flights from London-Heathrow to Thessaloniki
Cheap return flights from London-Heathrow to Thessaloniki
Find the best deals
All prices shown are per person based on return flights only. Prices found in the last 48 hours.
Thessaloniki flight facts
What you need to know
What are the cheapest airlines?
- Ryanair
- easyJet
- Wizz Air
These airlines usually offer the cheapest flights from London-Heathrow to Thessaloniki.
What airlines fly indirectly?
- Lufthansa
- Air France
- KLM
These airlines fly from London-Heathrow to Thessaloniki, but you’ll have at least one layover.
How long is the flight?
3 hours 30 minutes
This is the shortest flight time from London-Heathrow to Thessaloniki.
Alternative flights from the UK to Thessaloniki
Check out prices for other routes
Alternative flights from London-Heathrow
You might find cheaper flights nearby
Today alone, Netflights has searched over five flights. 05 / Feb / 2026 is currently the lowest priced day of the year to fly the London-Heathrow/Thessaloniki route. There are around 35 flights on any given week from the UK to Thessaloniki and the cheapest month to fly right now is February. Not suitable? Try running another search or viewing all cheap flight deals.
How to get cheap flights from London-Heathrow to Thessaloniki
Tips and advice from our flight experts
You've searched for flights from London-Heathrow to Thessaloniki. We've found 25 flights and compared them to give you the best offer. Ryanair is, on average, the cheapest airline for this route, so keep an eye on them. The cheapest offer we've found is a one-way ticket for the route from London-Heathrow to Thessaloniki on 15/02/2026 at 01:00 for £76.
We've scanned hundreds of airfares from dozens of airlines across the globe. In total, we've found 10 airlines that operate the 2,500 kilometers flight from London-Heathrow to Thessaloniki.
To find the best offers, consider booking in advance or looking for last-minute deals. The summer months are peak season, so try to travel in spring or autumn. Ryanair is a popular and affordable option for this route, with an average flight duration of 3 hours 30 minutes. After selecting an offer, fill out your information and proceed to payment. Don't forget to check our hotel booking options or our flight + hotel service to save time and money.
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Where other people are flying to
