Flight tickets from Belfast to Kos

Compare Belfast to Kos flight deals

Find the cheapest month or even day of the year to fly to Kos

Book the best Kos fare with no extra fees

Flight deals from Belfast to Kos

Looking for a cheap last-minute deal or the best return flight from Belfast to Kos? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Belfast to Kos

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Belfast to Kos flights are currently cheapest in October.

Direct flights from Belfast to Kos

Belfast to Kos: Flight information

The things to know before you go.
Cheapest flight found₹ 10,377
Cheapest month to flyOctober
Average flight time4 hrs, 15 mins
Most popular airlineTUI
Average flights per week1

Finding cheap flights from Belfast to Kos: Frequently asked questions

4 hours and 15 minutes is the average flight time from Belfast to Kos.
TUI flies direct from Belfast to Kos.
As of February 2026, there are 2 flights per week flying from Belfast to Kos.
The cheapest month to fly from Belfast to Kos is usually April.
Yes – the average flight time is 4 hours and 15 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Kos but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Kos is around 40 days in advance, so don’t leave your flight to the last minute.

Travelling from Belfast to Kos Airport (KGS): What you need to know

  • To ensure you catch your flight from Belfast to KGS, leave enough time to navigate the airport and find your gate. Arriving two hours before international departures and an hour before domestic flights is the general travel rule.

  • Heading away during a peak time like public or school holidays? Expect longer lines at security and check-in. To give yourself peace of mind, arrive up to four hours before international flights and two hours ahead of domestic departures.

Airports in Belfast

Belfast International Airport (BFS)

  • Travelling from central Belfast to BFS takes about 2 hours by public transport. If you ride-share, drive or grab a cab, you'll cover the 32 kilometres in 30 minutes or so, depending on traffic conditions.

  • Catching an early flight from Belfast to Kos Airport? Avoid the hassle of rushing to the terminal (and sneak in some extra snooze time) by staying at one of these hotels close to Belfast International Airport:

  • When it comes to Belfast International Airport's on-time performance, 67.55% of flights arrive within the expected time frame.

George Best Belfast City Airport (BHD)

  • With public transport, you can travel from central Belfast to BHD in around 20 minutes. The terminal is roughly 8 kilometres away, and getting there by car takes approximately 10 minutes.

  • Flying out early in the morning? Think about checking in to one of these hotels near George Best Belfast City Airport the day before your Belfast to KGS flight:

  • George Best Belfast City Airport has an on-time performance of 68.3%. This figure highlights how often flights that leave from this airport arrive at their destination on schedule.

About Kos Airport (KGS)

How to find the cheapest flights from Belfast to Kos Airport (KGS)

  • The cheapest price we've found for a one-way ticket from Belfast to Kos Airport is ₹ 10,364. For a return flight on this route, the best price is ₹ 14,880. Depending on when you book and the availability, these fares may change.

  • Booking in advance is often the key to scoring a cheap flight from Belfast to KGS. Airlines adjust prices based on demand, so the closer you get to departure, the more expensive your ticket may be.

  • If you have some flexibility with your travel dates, use the 'Whole month' search tool. It'll give you the cheapest price across each month when searching for your Belfast to Kos Airport ticket.

  • Save money on your flight from Belfast to Kos Airport by using filters. Choose your preferred departure time, duration and airlines, then sort the results by 'Cheapest' for the best deals.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.