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Cheap flights from Northern Ireland to Bilbao from £145

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 13/12. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — BIO
30 Nov — 7 Dec1
1 adult
1 adult, Economy, 0 bags

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Cheapest flights from Northern Ireland to Bilbao
Explore the most affordable flight options available from Northern Ireland to Bilbao. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 31 October 2025.

Sat 13/1217:05BFS - BIO
1 stop13h 55mMultiple Airlines
Sat 20/1221:05BIO - BFS
2 stops18h 55mMultiple Airlines
Deal found 29/10£145

Cheap flight deals from Northern Ireland to Bilbao

Keep the following information in mind while searching for Northern Ireland to Bilbao flight deals. Data was last updated 31 October 2025.

Round-trip from

£145
13/12-20/12
  • 13/12-20/12
  • 3 total stops
  • 32h 50m total
  • Northern Ireland to Bilbao
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Cheapflights Fare Finder

 
Customise your flight search to find flights from Northern Ireland to Bilbao that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 31 October 2025.
Use the filters below to find and compare flights from Northern Ireland to Bilbao that are best for you.

Fly from

Northern Ireland

Fly to

Bilbao

Route

Depart

Return

Price

BelfastBilbao

BFS - BIO

BFSBIO

Belfast Intl

Sat 13/12

17:05-08:00

1 stop13h 55m

Bilbao

Sat 20/12

21:05-15:00

2 stops18h 55m

£145

BelfastBilbao

BHD - BIO

BHDBIO

Belfast City

Tue 10/2

17:20-16:00

2 stops21h 40m

Bilbao

Sat 14/2

08:30-16:50

2 stops9h 20m

£425

BelfastBilbao

BHD - BIO

BHDBIO

Belfast City

Mon 30/3

17:25-11:15

1 stop16h 50m

Bilbao

Tue 31/3

17:15-21:20

1 stop5h 05m

£430

BelfastBilbao

BHD - BIO

BHDBIO

Belfast City

Tue 24/3

06:30-22:45

1 stop15h 15m

Bilbao

Wed 25/3

11:55-16:50

1 stop5h 55m

£496

Flights are sorted by cheapest return flights first.

Deals found on 29/10

Best time to book a flight from Northern Ireland to Bilbao

Have a flexible travel schedule? Discover the best time to fly to Bilbao from Northern Ireland 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 Northern Ireland to Bilbao
No data available for this route at this time. Please check back soon.

Related info for your journey

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

  • What airport do you fly into for flights to Bilbao from Northern Ireland?

    Most people fly into Bilbao (BIO) if they book a flight to Bilbao from Northern Ireland. Bilbao is conveniently located just 3.0 mi from Bilbao’s city center.

  • How long is the flight from Northern Ireland to Bilbao?

    There are many flights that can get you from Northern Ireland to Bilbao in 21h 40m. Fly via KLM to get the fastest option. There are 793 mi between Northern Ireland and Bilbao.

  • Can I find deals for flights from Northern Ireland to Bilbao that include hotel bookings?

    Yes. In addition to deals on Northern Ireland to Bilbao flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Northern Ireland to Bilbao?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Northern Ireland to Bilbao.

  • Can I find deals for business class flights from Northern Ireland to Bilbao?

    Yes. Cheapflights offers flight deals from Northern Ireland to Bilbao 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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Alternative routes for Northern Ireland to Bilbao

See prices for flight routes from nearby airports that may be better suited for you.
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How does Cheapflights help users find flights from Northern Ireland to Bilbao?

Deals for Northern Ireland to Bilbao flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Northern Ireland to Bilbao?

Cheapflights helps you find that perfect flight to Bilbao from Northern Ireland by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Northern Ireland to Bilbao with no change fees?

Yes! Cheapflights helps users easily find flights from Northern Ireland to Bilbao with no change fees.

Can Cheapflights notify me if prices for flights from Northern Ireland to Bilbao become cheaper?

Yes, Cheapflights offers price alerts on Northern Ireland to Bilbao flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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