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Cheap flights from Belfast Intl Airport to Bilbao from £45

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 19/8. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — BIO
28 Jul — 4 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Belfast Intl to Bilbao

Enter your travel dates to find the best prices.

Cheapest flights from Belfast Intl to Bilbao
Explore the most affordable flight options available from Belfast Intl to Bilbao. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 June 2026.

Thu 15/1009:15
BFS
-
BIO
1 stop10h 45m
Multiple Airlines
Tue 20/1013:50
BIO
-
BFS
1 stop10h 30m
Multiple Airlines
Deal found 24/6£121
Fri 16/1012:15
BFS
-
BIO
1 stop9h 25m
Multiple Airlines
Tue 20/1013:50
BIO
-
BFS
1 stop10h 30m
Multiple Airlines
Deal found 24/6£127
Thu 16/713:00
BFS
-
BIO
1 stop7h 00m
Multiple Airlines
Mon 20/721:40
BIO
-
BFS
1 stop10h 45m
Multiple Airlines
Deal found 23/6£134
Mon 24/821:05
BFS
-
BIO
1 stop10h 10m
Multiple Airlines
Mon 31/822:25
BIO
-
BFS
1 stop11h 55m
Multiple Airlines
Deal found 27/6£136
Fri 16/1019:55
BFS
-
BIO
2 stops26h 05m
Multiple Airlines
Mon 19/1007:45
BIO
-
BFS
1 stop15h 10m
Multiple Airlines
Deal found 24/6£138
Sat 15/808:55
BFS
-
BIO
1 stop11h 05m
Multiple Airlines
Sat 22/821:40
BIO
-
BFS
1 stop13h 20m
Multiple Airlines
Deal found 25/6£139
Mon 3/821:05
BFS
-
BIO
1 stop10h 10m
Multiple Airlines
Thu 6/821:40
BIO
-
BFS
1 stop11h 40m
Multiple Airlines
Deal found 23/6£141
Thu 15/1013:00
BFS
-
BIO
1 stop7h 00m
Multiple Airlines
Mon 19/1011:20
BIO
-
BFS
1 stop8h 25m
Multiple Airlines
Deal found 24/6£148

Find flight deals from Belfast Intl to Bilbao

Discover tips and strategies to find the most affordable flight options for your journey from Belfast Intl (BFS) to Bilbao (BIO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 28 June 2026.

Round-trip from

£120

One-way from

£45
15/8-22/8
  • 15/8-22/8
  • 2 total stops
  • 24h 05m total
  • Belfast to Bilbao
Search Deals
19/8
  • 19/8
  • 1 total stop
  • 13h 00m total
  • Belfast to Bilbao
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Belfast Intl 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 28 June 2026.
Use the filters below to find and compare flights from Belfast Intl Airport to Bilbao that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BelfastBilbao

BFS - BIO

BFSBIO

Belfast Intl

Thu 15/10

09:15-21:00

1 stop10h 45m

Bilbao

Tue 20/10

13:50-23:20

1 stop10h 30m

£121

BelfastBilbao

BFS - BIO

BFSBIO

Belfast Intl

Fri 16/10

12:15-22:40

1 stop9h 25m

Bilbao

Tue 20/10

13:50-23:20

1 stop10h 30m

£127
Fastest return journey

BelfastBilbao

BFS - BIO

BFSBIO

Belfast Intl

Thu 16/7

13:00-21:00

1 stop7h 00m

Bilbao

Mon 20/7

21:40-07:25

1 stop10h 45m

£134

BelfastBilbao

BFS - BIO

BFSBIO

Belfast Intl

Mon 24/8

21:05-08:15

1 stop10h 10m

Bilbao

Mon 31/8

22:25-09:20

1 stop11h 55m

£136

BelfastBilbao

BFS - BIO

BFSBIO

Belfast Intl

Fri 16/10

19:55-23:00

2 stops26h 05m

Bilbao

Mon 19/10

19:30-10:00

2 stops15h 30m

£138

BelfastBilbao

BFS - BIO

BFSBIO

Belfast Intl

Sat 15/8

08:55-21:00

1 stop11h 05m

Bilbao

Sat 22/8

21:40-10:00

1 stop13h 20m

£139

BelfastBilbao

BFS - BIO

BFSBIO

Belfast Intl

Mon 3/8

21:05-08:15

1 stop10h 10m

Bilbao

Thu 6/8

21:40-08:20

1 stop11h 40m

£141
Cheapest one-way
Fastest single journey

BelfastBilbao

BFS - BIO

BFSBIO

Belfast Intl

Wed 19/8

07:00-21:00

1 stop13h 00m

£45

Flights are sorted by cheapest return flights first.

Deals found on 27/6

Sorted by cheapest first

Best time to book a flight from Belfast Intl to Bilbao

Have a flexible travel schedule? Discover the best time to fly to Bilbao 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.

Related info for your journey

Find useful and relevant information for your journey from Belfast Intl 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 Belfast Intl?

    Most people fly into Bilbao (BIO) if they book a flight to Bilbao from Belfast Intl. On average, Bilbao has 0 inbound flights from Belfast Intl per day from 0 airlines. Bilbao is conveniently located just 3.0 mi from Bilbao’s city center.

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

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

  • How can I find direct flights from Belfast Intl to Bilbao?

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

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

    Yes. Cheapflights offers flight deals from Belfast Intl 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Belfast Intl to Bilbao

See prices for flight routes from nearby airports that may be better suited for you.
Belfast City to Bilbao flights

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 Bilbao?

Deals for Belfast Intl 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 Belfast Intl to Bilbao?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Belfast Intl to Bilbao for you. Better yet — we are completely free to use.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Belfast Intl to Bilbao, users can toggle the no change fees filter when performing a flight search.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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