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Cheap flights from Belfast Intl Airport to Bilbao from £46

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Belfast Intl Airport to Bilbao departing on 29/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Belfast Intl Airport to Bilbao

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
21:05 - 08:15BFS  Belfast Intl-BIO Bilbao
10h 10m1 stop Palma de Mallorca Son Sant Joan
Multiple Airlines Logo
17:20 - 19:30BIO  Bilbao-BFS Belfast Intl
27h 10m2 stops Milan Malpensa Manchester
£96Multiple Airlines
Mon, 14 Sep - Thu, 17 Sep
Multiple Airlines Logo
07:00 - 21:00BFS  Belfast Intl-BIO Bilbao
13h 00m1 stop London Luton
Multiple Airlines Logo
21:40 - 08:20BIO  Bilbao-BFS Belfast Intl
11h 40m1 stop London Luton
£100Multiple Airlines
Mon, 14 Sep - Thu, 17 Sep
Multiple Airlines Logo
13:00 - 21:00BFS  Belfast Intl-BIO Bilbao
7h 00m1 stop London Luton
Multiple Airlines Logo
21:40 - 21:00BIO  Bilbao-BFS Belfast Intl
24h 20m1 stop London Luton
£101Multiple Airlines
Thu, 1 Oct - Thu, 8 Oct
Multiple Airlines Logo
07:00 - 21:00BFS  Belfast Intl-BIO Bilbao
13h 00m1 stop London Luton
Multiple Airlines Logo
21:40 - 23:30BIO  Bilbao-BFS Belfast Intl
26h 50m1 stop London Luton
£109Multiple Airlines
Mon, 7 Sep - Thu, 17 Sep
Multiple Airlines Logo
17:30 - 08:55BFS  Belfast Intl-BIO Bilbao
14h 25m1 stop Alicante
Multiple Airlines Logo
14:20 - 08:30BIO  Bilbao-BFS Belfast Intl
19h 10m2 stops Milan Malpensa Manchester
£113Multiple Airlines
Thu, 1 Oct - Thu, 8 Oct
Multiple Airlines Logo
13:00 - 21:00BFS  Belfast Intl-BIO Bilbao
7h 00m1 stop London Luton
Multiple Airlines Logo
21:40 - 23:25BIO  Bilbao-BFS Belfast Intl
26h 45m1 stop London Luton
£114Multiple Airlines
Thu, 3 Sep - Thu, 10 Sep
Multiple Airlines Logo
07:00 - 21:00BFS  Belfast Intl-BIO Bilbao
13h 00m1 stop London Luton
Multiple Airlines Logo
17:20 - 19:30BIO  Bilbao-BFS Belfast Intl
27h 10m2 stops Milan Malpensa Manchester
£117Multiple Airlines
Mon, 7 Sep - Thu, 17 Sep
Multiple Airlines Logo
07:30 - 08:20BFS  Belfast Intl-BIO Bilbao
23h 50m2 stops Leeds/Bradford Ibiza
Multiple Airlines Logo
14:20 - 08:30BIO  Bilbao-BFS Belfast Intl
19h 10m2 stops Milan Malpensa Manchester
£120Multiple Airlines
Mon, 7 Sep - Thu, 17 Sep
Multiple Airlines Logo
06:10 - 08:15BFS  Belfast Intl-BIO Bilbao
25h 05m2 stops Birmingham Palma de Mallorca Son Sant Joan
Multiple Airlines Logo
17:20 - 08:30BIO  Bilbao-BFS Belfast Intl
16h 10m2 stops Milan Malpensa Manchester
£122Multiple Airlines
Mon, 14 Sep - Thu, 17 Sep
Multiple Airlines Logo
08:10 - 22:05BFS  Belfast Intl-BIO Bilbao
12h 55m2 stops Manchester Milan Malpensa
Multiple Airlines Logo
14:20 - 08:30BIO  Bilbao-BFS Belfast Intl
19h 10m2 stops Milan Malpensa Manchester
£126Multiple Airlines
Thu, 1 Oct - Thu, 8 Oct

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Customise your flight search to find flights from Belfast Intl Airport 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, momondo users made 279,928 searches. Data last updated 18 August 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 Belfast Intl - BIO Bilbao

BFSBIO

Belfast Intl

Mon 14/9

21:05-08:15

1 stop10h 10m

Bilbao

Thu 17/9

17:20-19:30

2 stops27h 10m

£96
Fastest return journey

BelfastBilbao

BFS Belfast Intl - BIO Bilbao

BFSBIO

Belfast Intl

Mon 14/9

07:00-21:00

1 stop13h 00m

Bilbao

Thu 17/9

21:40-08:20

1 stop11h 40m

£100

BelfastBilbao

BFS Belfast Intl - BIO Bilbao

BFSBIO

Belfast Intl

Thu 1/10

13:00-21:00

1 stop7h 00m

Bilbao

Thu 8/10

21:40-21:00

1 stop24h 20m

£101

BelfastBilbao

BFS Belfast Intl - BIO Bilbao

BFSBIO

Belfast Intl

Mon 7/9

07:00-21:00

1 stop13h 00m

Bilbao

Thu 17/9

21:40-23:30

1 stop26h 50m

£109

BelfastBilbao

BFS Belfast Intl - BIO Bilbao

BFSBIO

Belfast Intl

Thu 1/10

17:30-08:55

1 stop14h 25m

Bilbao

Thu 8/10

14:20-08:30

2 stops19h 10m

£113

BelfastBilbao

BFS Belfast Intl - BIO Bilbao

BFSBIO

Belfast Intl

Thu 3/9

13:00-21:00

1 stop7h 00m

Bilbao

Thu 10/9

21:40-23:25

1 stop26h 45m

£114

BelfastBilbao

BFS Belfast Intl - BIO Bilbao

BFSBIO

Belfast Intl

Mon 7/9

07:00-21:00

1 stop13h 00m

Bilbao

Thu 17/9

17:20-19:30

2 stops27h 10m

£117

BelfastBilbao

BFS Belfast Intl - BIO Bilbao

BFSBIO

Belfast Intl

Mon 7/9

07:30-08:20

2 stops23h 50m

Bilbao

Thu 17/9

14:20-08:30

2 stops19h 10m

£120

BelfastBilbao

BFS Belfast Intl - BIO Bilbao

BFSBIO

Belfast Intl

Mon 14/9

06:10-08:15

2 stops25h 05m

Bilbao

Thu 17/9

17:20-08:30

2 stops16h 10m

£122

BelfastBilbao

BFS Belfast Intl - BIO Bilbao

BFSBIO

Belfast Intl

Thu 1/10

08:10-22:05

2 stops12h 55m

Bilbao

Thu 8/10

14:20-08:30

2 stops19h 10m

£126

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

When to book flights from Belfast Intl Airport to Bilbao

Are you open to changing your travel dates? Check out the ideal times to fly from Belfast Intl Airport to Bilbao according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Belfast Intl Airport to Bilbao (BFS to BIO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Belfast Intl Airport to Bilbao

Best price found

£46

Fastest flight time

7h 00m

Direct flights

None
The best one-way flight to Bilbao from Belfast Intl Airport in the past 72 hours is £46. The best return flight deal from Belfast Intl Airport to Bilbao found on momondo in the last 72 hours is £96.
The fastest flight from Belfast Intl Airport to Bilbao takes 7h 00m
There are no direct flights from Belfast Intl Airport to Bilbao. There are no popular flight routes from Belfast Intl Airport to Bilbao.
Search flight deals

Frequently asked questions about flying from Belfast Intl Airport to Bilbao

  • How far is Belfast Intl to Bilbao by plane?

    The distance between Belfast Intl and Bilbao is about 800.6 mi. A reasonable flight in good conditions will take 7h 00m.

  • When did momondo last update prices for flights from Belfast Intl Airport to Bilbao Airport?

    Prices for flights from Belfast Intl Airport to Bilbao Airport refresh daily.

  • How old do you have to be to fly from Belfast Intl Airport to Bilbao Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Belfast Intl Airport to Bilbao Airport.

  • What documentation or ID do you need to fly to Bilbao Airport?

    The required travel and health documents for your Bilbao Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Bilbao Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Frequently asked questions about flying from Belfast Intl Airport to Bilbao

  • How do I get Price Alerts for flights from Belfast Intl Airport to Bilbao?

    You can take advantage of momondo’s Price Alerts by first searching for your flights to Belfast Intl Airport from Bilbao. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

  • How can I save money on flights from Belfast Intl Airport to Bilbao with momondo?

    Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

  • How does momondo find its flight prices?

    We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

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Why use momondo?

Why should I use momondo to find a flight deal from Belfast to Bilbao?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Bilbao from Belfast.

Can I find flights from Belfast to Bilbao with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Bilbao from Belfast with this policy.

How can momondo help me find flights from Belfast to Bilbao?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Belfast to Bilbao.

I’m not ready to book a flight from Belfast to Bilbao right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Bilbao, momondo offers a useful price alert feature which will track prices for flights to Bilbao from Belfast and alert you when they change.

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