Find flights
When to book
FAQs

Cheap flights from Belfast to Bilbao from £428

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 30/3. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — BIO
7 Dec — 14 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap 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 7 November 2025.

Round-trip from

£428
KLM
  • KLM
  • 30/3-31/3
  • 2 total stops
  • 21h 55m total
  • Belfast to Bilbao
Search Deals

Find flight deals from Belfast to Bilbao

Enter your travel dates to find the best prices.

Best flights from Belfast to Bilbao
Discover carefully curated flight deals from Belfast to Bilbao that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 7 November 2025.

Mon 30/317:25BHD - BIO
1 stop16h 50mKLM
Tue 31/317:15BIO - BHD
1 stop5h 05mKLM
Deal found 5/11£428
Tue 10/217:20BHD - BIO
2 stops37h 20mKLM
Sat 14/212:35BIO - BHD
2 stops29h 15mKLM
Deal found 6/11£452
Tue 24/306:30BHD - BIO
1 stop15h 15mKLM
Wed 25/311:55BIO - BHD
1 stop5h 55mKLM
Deal found 5/11£493

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 7 November 2025.
Use the filters below to find and compare flights from Belfast to Bilbao that are best for you.

Fly from

Belfast

Fly to

Bilbao

Route

Depart

Return

Price

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

£428

BelfastBilbao

BHD - BIO

BHDBIO

Belfast City

Tue 10/2

17:20-07:40

2 stops37h 20m

Bilbao

Sat 14/2

12:35-16:50

2 stops29h 15m

£452

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

£493

Flights are sorted by cheapest return flights first.

Deals found on 5/11

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.

  • How long is the flight from Belfast to Bilbao?

    Airlines like KLM fly from Belfast to Bilbao in about 16h 50m. The time it takes to get you to your destination can typically vary by up to . The distance from Belfast to Bilbao is about 793 mi.

  • 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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

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 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.