Cheap flights to Biscay

View €21 flight on Mon, 20 Apr 2026Opens in a new window

Popular airlines to Biscay

  • Iberia

  • Lufthansa

  • KLM

  • Air France

  • Swiss International Air Lines

  • TAP Portugal

  • Air Europa

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 15% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap round-trip flights to Biscay

Prices were available within the past 7 days and start at €21 for one-way flights and €49 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Ryanair
Mon, 13 Apr - Mon, 27 Apr
DUB
Dublin
SDR
Santander
€49 Return, found 5 days ago
€49
Return
found 5 days ago
Select Ryanair flight, departing Mon, 13 Apr from Dublin to Santander, returning Mon, 27 Apr, priced at €49 found 5 days ago
Ryanair
Mon, 20 Apr - Mon, 27 Apr
DUB
Dublin
SDR
Santander
€50 Return, found 2 hours ago
€50
Return
found 2 hours ago
Select Ryanair flight, departing Mon, 20 Apr from Dublin to Santander, returning Mon, 27 Apr, priced at €50 found 2 hours ago
Ryanair
Mon, 11 May - Fri, 22 May
DUB
Dublin
SDR
Santander
€54 Return, found 18 hours ago
€54
Return
found 18 hours ago
Select Ryanair flight, departing Mon, 11 May from Dublin to Santander, returning Fri, 22 May, priced at €54 found 18 hours ago
Ryanair
Sun, 26 Apr - Mon, 27 Apr
DUB
Dublin
SDR
Santander
€55 Return, just found
€55
Return
just found
Select Ryanair flight, departing Sun, 26 Apr from Dublin to Santander, returning Mon, 27 Apr, priced at €55 just found
Aer Lingus
Wed, 29 Apr - Fri, 1 May
ORK
Cork
BIO
Bilbao
€120 Return, found 1 day ago
€120
Return
found 1 day ago
Select Aer Lingus flight, departing Wed, 29 Apr from Cork to Bilbao, returning Fri, 1 May, priced at €120 found 1 day ago
Aer Lingus
Mon, 11 May - Wed, 13 May
DUB
Dublin
BIO
Bilbao
€132 Return, found 13 hours ago
€132
Return
found 13 hours ago
Select Aer Lingus flight, departing Mon, 11 May from Dublin to Bilbao, returning Wed, 13 May, priced at €132 found 13 hours ago
Lufthansa
Sun, 6 Dec - Wed, 16 Dec
DUB
Dublin
BIO
Bilbao
€163 Return, found 6 days ago
€163
Return
found 6 days ago
Select Lufthansa flight, departing Sun, 6 Dec from Dublin to Bilbao, returning Wed, 16 Dec, priced at €163 found 6 days ago
Iberia
Tue, 12 May - Sat, 16 May
DUB
Dublin
BIO
Bilbao
€182 Return, found 22 hours ago
€182
Return
found 22 hours ago
Select Iberia flight, departing Tue, 12 May from Dublin to Bilbao, returning Sat, 16 May, priced at €182 found 22 hours ago
TAP Portugal
Wed, 4 Nov - Sun, 8 Nov
DUB
Dublin
BIO
Bilbao
€187 Return, found 6 days ago
€187
Return
found 6 days ago
Select TAP Portugal flight, departing Wed, 4 Nov from Dublin to Bilbao, returning Sun, 8 Nov, priced at €187 found 6 days ago
KLM
Sun, 22 Nov - Wed, 25 Nov
DUB
Dublin
BIO
Bilbao
€200 Return, found 3 hours ago
€200
Return
found 3 hours ago
Select KLM flight, departing Sun, 22 Nov from Dublin to Bilbao, returning Wed, 25 Nov, priced at €200 found 3 hours ago

Trending flights to Biscay

These prices were available within the past 7 days. Prices quoted are per person, return, for the period specified. Prices and availability are subject to change. Additional terms apply.

Ryanair
Mon, 13 Apr - Mon, 27 Apr
DUB
Dublin
SDR
Santander
€49 Return, found 5 days ago
€49
Return
found 5 days ago
Select Ryanair flight, departing Mon, 13 Apr from Dublin to Santander, returning Mon, 27 Apr, priced at €49 found 5 days ago

Frequently asked questions

How do I find cheap flights to Biscay that have flexible change policies?
When it comes to travelling these days, flexibility is crucial. That's why we've added a "No change fee" search function to help you track down cheap, flexible flights to Biscay. It's near the top left of your screen underneath the "Flexible change policies" heading.
How can I find cheap tickets to Biscay?
You'll always walk away with an amazing deal with Expedia, but our "flexible dates" feature makes it even easier. Enter your preferred flight date, then check the flexible dates box above to compare prices for nearby days. €49 was the lowest price for a flight to Biscay in the last seven days.
How much is a flight to Biscay?
One-way trips departing from Dublin (DUB) sold for just €21 in the last seven days. During this time, the price of a return ticket to Biscay varied between €49 and €200. If you spot a deal, grab it quickly — these prices don't stick around.
How much is a plane ticket to Biscay?
In the last seven days, flights to Biscay cost between €49 and €200. Prices generally depend on the time of departure, airline, seating class and when you make your booking.
What is the best time to go to Biscay?
A popular time to head to Biscay, as well as the main city of Bilbao, is during the buzzing months of May, June and July. Summer in this part of the world begins June 20, and you can expect temperatures of between 16ºC and 24ºC if you travel then. This warmer weather is ideal for touring around the city sights.
What months are the cheapest to book a flight to Biscay?
Grab your ticket in February to unlock low-priced flights to Biscay. The month of December is typically the most expensive time to purchase an airfare.

Book with confidence

About Biscay

Expedia offers flights to Biscay to meet every traveller's needs. Whatever your flight need - Expedia has the flight for you. So choose from flights to Biscay or destinations around the world and discover how easy it is to make your flight reservations on Expedia.
About Biscay

Explore a world of travel with Expedia

*Available to Expedia members.