Cheap flights from Northern Ireland to Bilbao from £86

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 30/7. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — BIO
23 Jul — 30 Jul1
1 adult

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 18 July 2025.

Round-trip from

£98

One-way from

£86
10/9-17/9
  • 10/9-17/9
  • 2 total stops
  • 24h 35m total
  • Northern Ireland to Bilbao
30/7
  • 30/7
  • 1 total stop
  • 10h 20m total
  • Northern Ireland to Bilbao

Find flight deals from Northern Ireland to Bilbao

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 18 July 2025.

Wed 10/921:00BFS - BIO
1 stop10h 20mMultiple Airlines
Wed 17/919:45BIO - BFS
1 stop14h 15mMultiple Airlines
Deal found 16/7£98
Wed 10/914:20BHD - BIO
1 stop7h 20mMultiple Airlines
Wed 17/922:20BIO - BHD
1 stop11h 40mMultiple Airlines
Deal found 16/7£121
Sat 30/817:25BHD - BIO
1 stop16h 50mKLM
Fri 5/906:50BIO - BHD
1 stop15h 25mKLM
Deal found 16/7£275
Mon 21/718:45BHD - BIO
2 stops21h 45mAer Lingus
Mon 28/718:10BIO - BHD
2 stops19h 40mAer Lingus
Deal found 17/7£1,124

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 18 July 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

Wed 10/9

21:00-08:20

1 stop10h 20m

Bilbao

Wed 17/9

19:45-09:00

1 stop14h 15m

£98

BelfastBilbao

BHD - BIO

BHDBIO

Belfast City

Wed 10/9

14:20-22:40

1 stop7h 20m

Bilbao

Wed 17/9

22:20-09:00

1 stop11h 40m

£121

BelfastBilbao

BHD - BIO

BHDBIO

Belfast City

Sat 30/8

17:25-11:15

1 stop16h 50m

Bilbao

Fri 5/9

06:50-21:15

1 stop15h 25m

£275

BelfastBilbao

BFS - BIO

BFSBIO

Belfast Intl

Wed 30/7

21:00-08:20

1 stop10h 20m

£86

BelfastBilbao

BHD - BIO

BHDBIO

Belfast City

Thu 31/7

07:00-08:25

2 stops24h 25m

£119

BelfastBilbao

BHD - BIO

BHDBIO

Belfast City

Thu 31/7

15:20-09:55

1 stop17h 35m

£161

Flights are sorted by cheapest return flights first.

Deals found on 16/7

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.

Reviews of airlines servicing Bilbao

Get insights into the airlines that provide service to Bilbao. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Bilbao. Reviews last updated 18 July 2025.
Read reviews from past customers who have flown with KLM and easyJet from Northern Ireland to Bilbao. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Overall

7.8

Comfort

7.7

Boarding

7.8

Food

7.3

Crew

8.4

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Overall

7.8

Comfort

7.7

Boarding

7.8

Food

7.3

Crew

8.4

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Overall

7.8

Comfort

7.7

Boarding

7.8

Food

7.3

Crew

8.4

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

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.

  • 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.

  • What is the cheapest month to book a flight from Northern Ireland to Bilbao?

    Currently, January is the cheapest month in which you can book a flight from Northern Ireland to Bilbao (average of £74). Flying from Northern Ireland to Bilbao in August is currently the most expensive (average of £223). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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