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Cheap flights from Belfast to Bilbao from £43

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 16/9. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — BIO
31 Aug — 7 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Belfast to Bilbao

Enter your travel dates to find the best prices.

Cheapest flights from Belfast to Bilbao
Explore the most affordable flight options available from Belfast to Bilbao. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 August 2026.

Thu 17/909:00
BFS
-
BIO
1 stop11h 00m
Multiple Airlines
Tue 22/921:40
BIO
-
BFS
1 stop26h 40m
Multiple Airlines
Deal found 27/7£97
Wed 26/808:55
BFS
-
BIO
1 stop11h 05m
Multiple Airlines
Wed 2/921:40
BIO
-
BFS
1 stop18h 35m
Multiple Airlines
Deal found 27/7£120
Sun 6/907:00
BFS
-
BIO
1 stop13h 00m
Multiple Airlines
Sun 13/920:35
BIO
-
BFS
2 stops16h 45m
Multiple Airlines
Deal found 28/7£131
Wed 26/812:45
BHD
-
BIO
1 stop7h 15m
Multiple Airlines
Wed 2/922:20
BIO
-
BHD
1 stop11h 35m
Multiple Airlines
Deal found 27/7£134
Sun 6/915:25
BHD
-
BIO
1 stop4h 35m
Multiple Airlines
Sun 13/920:35
BIO
-
BHD
1 stop13h 20m
Multiple Airlines
Deal found 28/7£145
Mon 10/821:05
BFS
-
BIO
1 stop10h 10m
Multiple Airlines
Tue 18/821:40
BIO
-
BFS
1 stop11h 40m
Multiple Airlines
Deal found 27/7£155
Mon 10/806:30
BFS
-
BIO
2 stops24h 50m
Multiple Airlines
Wed 19/821:40
BIO
-
BFS
1 stop11h 50m
Multiple Airlines
Deal found 27/7£163
Wed 23/1220:00
BHD
-
BIO
2 stops25h 55m
Multiple Airlines
Sun 27/1206:50
BIO
-
BHD
2 stops27h 40m
Multiple Airlines
Deal found 29/7£240
Fri 14/806:50
BHD
-
BIO
2 stops24h 35m
Multiple Airlines
Thu 20/808:55
BIO
-
BHD
2 stops9h 25m
Multiple Airlines
Deal found 27/7£249

Find flight deals from Belfast to Bilbao

Discover tips and strategies to find the most affordable flight options for your journey from Belfast (BF1) 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 1 August 2026.

Round-trip from

£116

One-way from

£43
31/8-7/9
  • 31/8-7/9
  • 2 total stops
  • 32h 00m total
  • Belfast to Bilbao
Search Deals
16/9
  • 16/9
  • 1 total stop
  • 10h 10m total
  • Belfast to Bilbao
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Belfast 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 1 August 2026.
Use the filters below to find and compare flights from Belfast 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 17/9

21:05-09:00

1 stop10h 55m

Bilbao

Tue 22/9

19:00-19:50

2 stops25h 50m

£114

BelfastBilbao

BFS - BIO

BFSBIO

Belfast Intl

Wed 26/8

08:55-21:00

1 stop11h 05m

Bilbao

Wed 2/9

21:40-15:15

1 stop18h 35m

£120

BelfastBilbao

BFS - BIO

BFSBIO

Belfast Intl

Sun 6/9

07:00-21:00

1 stop13h 00m

Bilbao

Sun 13/9

20:35-12:20

2 stops16h 45m

£131

BelfastBilbao

BHD - BIO

BHDBIO

Belfast City

Wed 26/8

12:45-21:00

1 stop7h 15m

Bilbao

Wed 2/9

22:20-08:55

1 stop11h 35m

£134
Fastest return journey

BelfastBilbao

BHD - BIO

BHDBIO

Belfast City

Sun 6/9

15:25-21:00

1 stop4h 35m

Bilbao

Sun 13/9

20:35-08:55

1 stop13h 20m

£145

BelfastBilbao

BFS - BIO

BFSBIO

Belfast Intl

Tue 11/8

07:35-08:25

2 stops23h 50m

Bilbao

Thu 13/8

07:00-22:20

2 stops16h 20m

£175

BelfastBilbao

BFS - BIO

BFSBIO

Belfast Intl

Fri 14/8

08:55-08:10

2 stops22h 15m

Bilbao

Thu 20/8

07:00-22:20

2 stops16h 20m

£189

BelfastBilbao

BFS - BIO

BFSBIO

Belfast Intl

Wed 23/12

21:10-21:10

2 stops23h 00m

Bilbao

Sun 27/12

18:15-08:00

1 stop14h 45m

£226

BelfastBilbao

BHD - BIO

BHDBIO

Belfast City

Fri 14/8

06:50-08:25

2 stops24h 35m

Bilbao

Thu 20/8

11:50-15:30

1 stop4h 40m

£249

BelfastBilbao

BHD - BIO

BHDBIO

Belfast City

Thu 13/8

12:45-08:30

2 stops18h 45m

Bilbao

Mon 17/8

21:35-17:30

2 stops20h 55m

£370

Flights are sorted by cheapest return flights first.

Deals found on 1/8

Showing 1-10 of 21 resultsSorted by cheapest first
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Best time to book a flight from Belfast to Bilbao

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

    Located just 3.0 mi from the city center, Bilbao is the airport most travelers will use when flying to Bilbao from Belfast. Booking flights from Belfast to Bilbao (BIO) should be relatively easy as there are 0 daily inbound flights from Belfast from 0 different airlines.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Belfast 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 to Bilbao

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

Fly with Cheapflights

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How does Cheapflights help users find flights from Belfast to Bilbao?

Cheapflights helps you search for flights from Belfast to Bilbao via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Bilbao from Belfast.

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

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

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

Of course! You can now track prices for flights from Belfast to Bilbao and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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