In terms of precipitation, rainfall in Kaunas ranges from 30.0 - 80.0 inches per month. June is typically the wettest month, when rainfall can reach 80.0 mm. February is typically the driest time to visit Kaunas when rainfall is around 30.0 mm.

If weather is an important factor for your trip to Kaunas, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -3.0 C).

What is the cheapest time of day to fly from BFS to KUN?

When flying from Belfast Intl Airport to Kaunas, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What airport do you fly into for flights to Kaunas from Belfast Intl?

Located just 8.3 mi from the city center, Kaunas is the airport most travelers will use when flying to Kaunas from Belfast Intl. Booking flights from Belfast Intl to Kaunas (KUN) should be relatively easy as there are 0 daily inbound flights from Belfast Intl from 1 airline.

Can I find deals for flights from Belfast Intl to Kaunas that include hotel bookings?

Yes. In addition to deals on Belfast Intl to Kaunas flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Belfast Intl to Kaunas?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Belfast Intl to Kaunas.

Can I find deals for business class flights from Belfast Intl to Kaunas?

Yes. Cheapflights offers flight deals from Belfast Intl to Kaunas by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£100+ Cheap Flights from Belfast Intl Airport to Kaunas

Cheap flight deals from Belfast Intl to Kaunas

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Cheapest flights from Belfast Intl to Kaunas
Explore the most affordable flight options available from Belfast Intl to Kaunas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 September 2026.

Mon 14/919:35 -

2 stops19h 25m

Tue 15/922:10 -

2 stops26h 50m

Deal found 14/9£317

Find flight deals from Belfast Intl to Kaunas

Good round-trip deal	£39 or less

Price to beat on a round-trip flight from Belfast Intl to Kaunas.

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Use the filters below to find and compare flights from Belfast Intl Airport to Kaunas that are best for you.

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Fly to

Route

Depart

Return

Price

Cheapest return flight

BelfastKaunas

BFS Belfast Intl - KUN Kaunas

BFSKUN

Belfast Intl

Sun 20/12

20:00-00:50

1 stop26h 50m

Kaunas

Wed 31/12

00:00-22:00

Nonstop0h 00m

£100

BelfastKaunas

BFS Belfast Intl - KUN Kaunas

BFSKUN

Belfast Intl

Fri 18/12

05:55-00:50

1 stop16h 55m

Kaunas

Wed 31/12

00:00-22:00

Nonstop0h 00m

£110

BelfastKaunas

BFS Belfast Intl - KUN Kaunas

BFSKUN

Belfast Intl

Sun 20/12

10:40-17:40

2 stops29h 00m

Kaunas

Wed 31/12

00:00-22:00

Nonstop0h 00m

£132

Fastest return journey

BelfastKaunas

BFS Belfast Intl - KUN Kaunas

BFSKUN

Belfast Intl

Tue 22/12

06:45-16:50

2 stops8h 05m

Kaunas

Wed 31/12

00:00-22:00

Nonstop0h 00m

£143

Flights are sorted by cheapest return flights first.

Deals found on 11/9

Sorted by cheapest first

Best time to book a flight from Belfast Intl to Kaunas

Have a flexible travel schedule? Discover the best time to fly to Kaunas from Belfast Intl with our price prediction graph.

BFS-KUN

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Reviews of airlines servicing Kaunas

See what other customers who have flown with Ryanair from Belfast Intl Airport to Kaunas have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Ryanair

6.9

Okay

5,481 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Nadia,Mar 2026

STN - TLL

Terrible they overbooked a didn't let 2 of our friends on, absolute shambles

Ryanair

6.9

Okay

5,481 reviews

Ryanair

6.9

Okay

5,481 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Nadia,Mar 2026

STN - TLL

Terrible they overbooked a didn't let 2 of our friends on, absolute shambles

Related info for your journey

What airport do you fly into for flights to Kaunas from Belfast Intl?
Located just 8.3 mi from the city center, Kaunas is the airport most travelers will use when flying to Kaunas from Belfast Intl. Booking flights from Belfast Intl to Kaunas (KUN) should be relatively easy as there are 0 daily inbound flights from Belfast Intl from 1 airline.
Can I find deals for flights from Belfast Intl to Kaunas that include hotel bookings?
Yes. In addition to deals on Belfast Intl to Kaunas flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Belfast Intl to Kaunas?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Belfast Intl to Kaunas.
Can I find deals for business class flights from Belfast Intl to Kaunas?
Yes. Cheapflights offers flight deals from Belfast Intl to Kaunas by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Direct flights to Lithuania

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Alternative routes for Belfast Intl to Kaunas

Belfast Intl to Vilnius flights

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Top airline flying from Belfast Intl to Kaunas

Airline	Cheapest	Average	Flexibility	On-time
Ryanair	Cheapest£34	Average£53	FlexibilityNo cancel fee	On-timeN/A	Search Ryanair flights

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Cheap flights from Belfast Intl Airport to Kaunas from £100

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 20/12. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Belfast Intl to Kaunas

Cheapest flights from Belfast Intl to KaunasExplore the most affordable flight options available from Belfast Intl to Kaunas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 September 2026.

Explore the most affordable flight options available from Belfast Intl to Kaunas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 September 2026.

Last-minute flights from Belfast Intl to KaunasDiscover last-minute flight deals from Belfast Intl to Kaunas. Data last updated 14 September 2026 and is based on user searches.

Discover last-minute flight deals from Belfast Intl to Kaunas. Data last updated 14 September 2026 and is based on user searches.

One-way flights from Belfast Intl to KaunasSearch for one-way flight options from Belfast Intl to Kaunas. Find affordable one-way fares based on user searches. Data last updated 14 September 2026.

Search for one-way flight options from Belfast Intl to Kaunas. Find affordable one-way fares based on user searches. Data last updated 14 September 2026.

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Use the filters below to find and compare flights from Belfast Intl Airport to Kaunas that are best for you.

Best time to book a flight from Belfast Intl to Kaunas

Have a flexible travel schedule? Discover the best time to fly to Kaunas from Belfast Intl with our price prediction graph.

Reviews of airlines servicing Kaunas

See what other customers who have flown with Ryanair from Belfast Intl Airport to Kaunas have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

What airport do you fly into for flights to Kaunas from Belfast Intl?

Can I find deals for flights from Belfast Intl to Kaunas that include hotel bookings?

How can I find direct flights from Belfast Intl to Kaunas?

Can I find deals for business class flights from Belfast Intl to Kaunas?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Belfast Intl to Kaunas

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Kaunas by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to Lithuania

Book a non-stop flight to one of these other cities located in Lithuania.

Search flights from Belfast Intl to Kaunas by cabin class

Find flights from Belfast Intl to Kaunas, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Other flights to Kaunas

Explore flights to Kaunas departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 14 September 2026.

Belfast Intl and Kaunas flights

Browse other Belfast Intl and Kaunas flight options. Last updated on 14 September 2026.

Other flights from Belfast Intl

Browse through other flights departing from Belfast Intl. Flights are based on user searches made on Cheapflights and were last updated on 14 September 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Top airline flying from Belfast Intl to Kaunas

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Why should you use Cheapflights to find cheap flight tickets from Belfast Intl to Kaunas?

Can Cheapflights find flights from Belfast Intl to Kaunas with no change fees?

Can Cheapflights notify me if prices for flights from Belfast Intl to Kaunas become cheaper?

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Cheapest flights from Belfast Intl to Kaunas
Explore the most affordable flight options available from Belfast Intl to Kaunas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 September 2026.

Last-minute flights from Belfast Intl to Kaunas
Discover last-minute flight deals from Belfast Intl to Kaunas. Data last updated 14 September 2026 and is based on user searches.

One-way flights from Belfast Intl to Kaunas
Search for one-way flight options from Belfast Intl to Kaunas. Find affordable one-way fares based on user searches. Data last updated 14 September 2026.