What is the cheapest airline to fly from Belfast Intl Airport to Warsaw round-trip?

Cheapflights users have booked flights from Belfast Intl Airport to Warsaw round-trip from £151. Users have found that KLM is 41% cheaper than the other options available to this destination.

In terms of precipitation, rainfall in Warsaw ranges from 20.0 - 70.0 inches per month. July is typically the wettest month, when rainfall can reach 70.0 mm. January is typically the driest time to visit Warsaw when rainfall is around 20.0 mm.

If weather is an important factor for your trip to Warsaw, 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 -1.0 C).

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

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

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

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

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

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

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

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

£67+ Flights from Belfast Intl Airport to Warsaw

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Enter your travel dates to find the best prices.

Cheapest flights from Belfast Intl to Warsaw
Explore the most affordable flight options available from Belfast Intl to Warsaw. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 24 October 2025.

Sat 6/1213:10BFS - WAW

2 stops17h 55mMultiple Airlines

Sat 13/1206:00WAW - BFS

1 stop7h 35mMultiple Airlines

Deal found 22/10£130

One-way flights from Belfast Intl to Warsaw
Search for one-way flight options from Belfast Intl to Warsaw. Find affordable one-way fares based on user searches. Data last updated 24 October 2025.

Thu 20/1119:45BFS - WMI

1 stop27h 40mMultiple Airlines

Deal found 23/10£67

Thu 20/1114:50BFS - WAW

2 stops18h 35mMultiple Airlines

Deal found 23/10£95

Sat 20/1222:25BFS - WMI

2 stops17h 35mMultiple Airlines

Deal found 22/10£109

Sat 20/1215:45BFS - WAW

1 stop17h 45mMultiple Airlines

Deal found 22/10£118

Cheap flight deals from Belfast Intl to Warsaw

Round-trip from	£130
One-way from	£67
Popular in	June
Cheapest in	February
Average price	£218

6/12-13/12
3 total stops
25h 30m total
Belfast to Warsaw

Search Deals

20/11
1 total stop
27h 40m total
Belfast to Warsaw

Search Deals

Highest demand for flights based on searches. 0% potential increase in price (£0 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease (£9 potential savings vs. average return price).

Search Deals

Average for round-trip flights in October 2025

Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

BelfastWarsaw

BFS - WAW

BFSWAW

Belfast Intl

Sat 6/12

13:10-08:05

2 stops17h 55m

Warsaw Frederic Chopin

Sat 13/12

06:00-12:35

1 stop7h 35m

£130

BelfastWarsaw

BFS - WMI

BFSWMI

Belfast Intl

Thu 20/11

19:45-00:25

1 stop27h 40m

£67

BelfastWarsaw

BFS - WAW

BFSWAW

Belfast Intl

Thu 20/11

14:50-10:25

2 stops18h 35m

£95

BelfastWarsaw

BFS - WMI

BFSWMI

Belfast Intl

Sat 20/12

22:25-17:00

2 stops17h 35m

£109

BelfastWarsaw

BFS - WAW

BFSWAW

Belfast Intl

Sat 20/12

15:45-10:30

1 stop17h 45m

£118

Flights are sorted by cheapest return flights first.

Deals found on 23/10

Best time to book a flight from Belfast Intl to Warsaw

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

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.

Cheapflights Insights

Everything you need to know about your flight from Belfast Intl Airport to Warsaw

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Warsaw

Read through reviews of airlines operating flights from Belfast Intl Airport to Warsaw, such as KLM. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

KLM

7.7

Good

1,405 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

KLM

7.7

Good

1,405 reviews

KLM

7.7

Good

1,405 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

Related info for your journey

What is the cheapest airline to fly from Belfast Intl Airport to Warsaw round-trip?
Cheapflights users have booked flights from Belfast Intl Airport to Warsaw round-trip from £151. Users have found that KLM is 41% cheaper than the other options available to this destination.
Can I find deals for flights from Belfast Intl to Warsaw that include hotel bookings?
Yes. In addition to deals on Belfast Intl to Warsaw flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Belfast Intl to Warsaw?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Belfast Intl to Warsaw.
Can I find deals for business class flights from Belfast Intl to Warsaw?
Yes. Cheapflights offers flight deals from Belfast Intl to Warsaw 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

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Belfast Intl to Warsaw

Airline	Cheapest	Average	Flexibility	On-time
KLM	Cheapest£151	Average£215	FlexibilityNo cancel fee	On-time75%	Search KLM flights

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Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Belfast Intl to Warsaw. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Belfast Intl to Warsaw.

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from Belfast Intl to Warsaw flexibly with Cheapflights today.

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

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Cheap flights from Belfast Intl Airport to Warsaw from £67

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 20/11. Fares are subject to change and may not be available on all flights or dates of travel.

Find flight deals from Belfast Intl to Warsaw

Cheapest flights from Belfast Intl to WarsawExplore the most affordable flight options available from Belfast Intl to Warsaw. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 24 October 2025.

Explore the most affordable flight options available from Belfast Intl to Warsaw. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 24 October 2025.

Cheap flight deals from Belfast Intl to Warsaw

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

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

Best time to book a flight from Belfast Intl to Warsaw

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

Cheapflights Insights

Everything you need to know about your flight from Belfast Intl Airport to Warsaw

Reviews of airlines servicing Warsaw

Read through reviews of airlines operating flights from Belfast Intl Airport to Warsaw, such as KLM. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Belfast Intl to Warsaw. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What is the cheapest airline to fly from Belfast Intl Airport to Warsaw round-trip?

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

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

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

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 Warsaw

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

Top airline flying from Belfast Intl to Warsaw

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Belfast Intl to Warsaw?

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

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

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

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Belfast Intl to Warsaw
Explore the most affordable flight options available from Belfast Intl to Warsaw. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 24 October 2025.