C$101 Cheap Flights from Kos (KGS) to Belfast (BELF)

Compare Kos to Belfast flight deals

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

Book the best Belfast fare with no extra fees

Flight deals from Kos to Belfast

Looking for a cheap last-minute deal or the best return flight from Kos Airport to Belfast? If you want to travel next month, return fares start from C$250. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Kos to Belfast

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

Which airlines fly from Kos to Belfast?

Alternative Kos to Belfast routes

Looking for the cheapest, fastest or easiest route from Kos to Belfast? You could fly into the following airports instead.

Kos to Belfast: Flight information

The things to know before you go.
Cheapest flight foundC$101
Cheapest month to flyJuly
Average flight time4 hrs, 45 mins
Most popular airlineTUI
Average flights per week1

Finding cheap flights from Kos to Belfast: Frequently asked questions

There are 2 airports in Belfast: Belfast City and Belfast International.
The best price we found for a return flight from Kos to Belfast is C$250. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
4 hours and 45 minutes is the average flight time from Kos to Belfast.
TUI flies direct from Kos to Belfast.
As of June 2026, there is one flight per week flying from Kos to Belfast.
The cheapest month to fly from Kos to Belfast is usually July.
If you're flying from Kos Airport, the cheapest airport near Belfast is Belfast International – which is 19.6 km away from the centre of Belfast. We've found flights into this airport from C$250.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Kos Airport to Belfast on Wednesday, July 15, 2026.
Yes – the average flight time is 4 hours and 45 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 Belfast 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 Belfast is around 40 days in advance, so don’t leave your flight to the last minute.
In June, the average temperature is usually around 12°C. August is typically the warmest month in Belfast, when it usually averages around 17°C. You can expect the least rain in May. The coldest month is January, with temperatures averaging 4°C. The rainiest month is October.
Currently, Ryanair and TUI offer the cheapest flight tickets to Belfast.

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

  • Belfast is 2 hours behind Greece, where Kos Airport is located. Belfast operates on the UTC+0 timezone.

  • To ensure you catch your flight from KGS to Belfast, allow plenty of time to navigate the airport and find your gate. Turning up two hours before international departures and one hour before domestic flights is the standard rule.

  • Longer lines at security and check-in are more likely if you're travelling during high season, so give yourself some extra breathing room. A good general rule for peak times? Get there up to four hours early for international flights and at least two hours for domestic departures.

  • We make it simple to book a flight from KGS to Belfast that includes a stopover. To see your options, deselect 'Direct flights only.' Next, select a flight with a stop long enough to explore your chosen city. Popular stopovers include:

    • London Gatwick Airport (LGW)

    • London Heathrow Airport (LHR)

    • Frankfurt Airport (FRA)

  • You won't need a visa for United Kingdom if you have a passport from Greece and are visiting for tourism purposes. Travel documentation and visa requirements can be subject to change. So before booking your flight tickets from Kos Airport to Belfast, check with your airline and your destination country's local consulate or embassy for the most up-to-date information.

  • Want an easy start to your trip? Stay near KGS. Whether you've booked an early flight from Kos Airport to Belfast or just don't like being rushed, these hotels have you covered:

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

  • The lowest price we've found for a one-way ticket from Kos Airport to Belfast is C$101. The cheapest price for a return flight is C$250. Bear in mind fares may change due to availability at the time of booking.

  • To pick up cheap tickets from KGS to Belfast, book as early as you can. Airlines typically offer lower fares when flights are first released.

  • The 'Whole month' search function shows you the cheapest tickets from Kos Airport to Belfast throughout the entire month. It's the best way to snap up a bargain if your trip dates aren't set in stone.

  • Log into your online account or use the app to set up a Price Alert. You'll be notified right away if there's a better deal on this route. It's simple to do, and it'll save you the hassle of searching for cheap tickets from KGS to Belfast every day.

  • Take advantage of the filters to find your ideal trip. To see the 'Best,' 'Cheapest' or 'Fastest' flights from Kos Airport to Belfast, use the 'Sort by' tool. You can also filter results by airline, arrival and departure times, and number of stops.

Airports in Belfast

Belfast International Airport (BFS)

  • Belfast International Airport (BFS) is around 32 kilometres from central Belfast. With a car rental or if you're catching a cab, the drive is around 31 minutes.

  • If you're using public transport, expect a journey of around 2 hours and 2 minutes.

  • The last thing you want is a long journey to your hotel if you're getting in late on a flight from Kos Airport to Belfast. Check in to one of these accommodation options near BFS instead:

George Best Belfast City Airport (BHD)

  • Central Belfast is approximately 8 kilometres from George Best Belfast City Airport (BHD). As soon as your flight from Kos Airport to Belfast has touched down and you've made your way through the terminal, expect a drive of about 12 minutes.

  • You can also opt for public transport, which will take around 22 minutes.

  • Hang the 'Do not disturb' sign on your door and relax at a hotel near BHD. Here are a few options where you can kick back after your flight from KGS to Belfast:

Best time to go to Belfast

  • It's time to pick your travel dates for your flight from Kos Airport to Belfast. August is the busiest month to visit Belfast. If you want a more low-key vibe, go in February.

  • When booking your flight from Kos Airport to Belfast, think about the type of weather you enjoy. July is the warmest month in Belfast, with temperatures ranging from 10ºC to 19ºC.

  • If you like travelling in cooler conditions, search for a cheap flight from KGS to Belfast in January when temperatures average between 1ºC and 8ºC.

More about Belfast

  • Start your Belfast trip right by choosing the perfect place to stay. After booking your flight from Kos Airport to Belfast, check out our selection of hotels including:

  • There are so many things to explore in this city it can be hard to know where to start. Titanic Belfast, Crumlin Road Gaol Visitor Attraction and Conference Centre and Botanic Gardens are major attractions which should feature on any good Belfast itinerary.

Complete your Belfast trip with a car rental

  • Select one of our car rentals in Belfast and see the sights in your own time. Easily compare companies in one go to find your perfect ride once you've locked in your hotel and cheap flights from Kos Airport to Belfast.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.