When did momondo last update prices for flights from Portland Airport to Bilbao Airport?

Prices for flights from Portland Airport to Bilbao Airport are updated daily.

How many operators does momondo search for flights from Portland Airport to Bilbao Airport?

The number of operators available for flights from Portland Airport to Bilbao Airport is 2 as of December 2025.

How old do you have to be to fly from Portland Airport to Bilbao Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Portland Airport to Bilbao Airport.

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

The travel and health documents you'll need for your trip to Bilbao Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Bilbao Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$477 Cheap Flights from Portland to Bilbao in 2025/26

1 adult

0 bags

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Find the cheapest flights from Portland to Bilbao

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

1:25 pm - 4:30 pm

PDX

BIO

18h 05m1 stop

6:50 am - 11:25 am

BIO

PDX

13h 35m1 stop

$477KLM

Wed, Jan 21 - Wed, Jan 28

7:10 am - 4:30 pm

PDX

BIO

24h 20m2 stops

6:50 am - 11:25 am

BIO

PDX

13h 35m1 stop

$482Delta

Wed, Jan 21 - Wed, Jan 28

4:00 pm - 11:20 pm

PDX

BIO

22h 20m2 stops

6:45 am - 12:34 am

BIO

PDX

26h 49m2 stops

$487United Airlines

Fri, Feb 20 - Tue, Feb 24

7:45 am - 6:05 pm

PDX

BIO

25h 20m2 stops

11:35 am - 12:33 pm

BIO

PDX

33h 58m2 stops

$489United Airlines

Wed, Jan 21 - Wed, Jan 28

7:45 am - 6:05 pm

PDX

BIO

25h 20m2 stops

11:35 am - 11:57 am

BIO

PDX

33h 22m3 stops

$493United Airlines

Wed, Jan 21 - Wed, Jan 28

1:05 pm - 4:30 pm

PDX

BIO

18h 25m1 stop

7:10 am - 3:06 pm

BIO

PDX

16h 56m2 stops

$587KLM

Tue, May 19 - Tue, May 26

1:24 pm - 6:05 pm

PDX

BIO

19h 41m3 stops

11:35 am - 9:45 am

BIO

PDX

31h 10m3 stops

$593United Airlines

Wed, Jan 21 - Wed, Jan 28

5:40 am - 11:15 pm

PDX

BIO

33h 35m2 stops

6:45 am - 11:07 pm

BIO

PDX

24h 22m2 stops

$660Multiple Airlines

Wed, Mar 18 - Wed, Mar 25

1:38 pm - 5:30 pm

PDX

BIO

18h 52m2 stops

7:10 am - 3:06 pm

BIO

PDX

16h 56m2 stops

$673Delta

Tue, May 19 - Tue, May 26

1:05 pm - 10:45 pm

PDX

BIO

24h 40m1 stop

6:45 am - 11:10 am

BIO

PDX

13h 25m1 stop

$807KLM

Tue, May 19 - Tue, May 26

KLM flights from Portland to Bilbao

Our best KLM deals on Portland to Bilbao flight tickets

KLM

Jan 21

PDX1:25 pmPortland

18h 05m

1 stop

BIO4:30 pmBilbao

Jan 28

BIO6:50 amBilbao

13h 35m

1 stop

PDX11:25 amPortland

$477

Find similar

KLM

May 19

PDX1:05 pmPortland

18h 25m

1 stop

BIO4:30 pmBilbao

May 26

BIO7:10 amBilbao

16h 56m

2 stops

PDX3:06 pmPortland

$587

Find similar

KLM

May 19

PDX1:05 pmPortland

24h 40m

1 stop

BIO10:45 pmBilbao

May 26

BIO6:45 amBilbao

13h 25m

1 stop

PDX11:10 amPortland

$807

Find similar

Delta flights from Portland to Bilbao

Our best Delta deals on Portland to Bilbao flight tickets

Delta

Jan 21

PDX7:10 amPortland

24h 20m

2 stops

BIO4:30 pmBilbao

Jan 28

BIO6:50 amBilbao

13h 35m

1 stop

PDX11:25 amPortland

$482

Find similar

Delta

May 19

PDX1:38 pmPortland

18h 52m

2 stops

BIO5:30 pmBilbao

May 26

BIO7:10 amBilbao

16h 56m

2 stops

PDX3:06 pmPortland

$673

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PortlandBilbao

PDX - BIO

PDXBIO

Portland

Wed 1/21

1:25 pm-4:30 pm

1 stop18h 05m

Bilbao

Wed 1/28

6:50 am-11:25 am

1 stop13h 35m

$477

PortlandBilbao

PDX - BIO

PDXBIO

Portland

Wed 1/21

7:10 am-4:30 pm

2 stops24h 20m

Bilbao

Wed 1/28

6:50 am-11:25 am

1 stop13h 35m

$482

PortlandBilbao

PDX - BIO

PDXBIO

Portland

Fri 2/20

4:00 pm-11:20 pm

2 stops22h 20m

Bilbao

Tue 2/24

6:45 am-12:34 am

2 stops26h 49m

$487

PortlandBilbao

PDX - BIO

PDXBIO

Portland

Wed 1/21

7:45 am-6:05 pm

2 stops25h 20m

Bilbao

Wed 1/28

11:35 am-12:33 pm

2 stops33h 58m

$489

PortlandBilbao

PDX - BIO

PDXBIO

Portland

Wed 1/21

7:45 am-6:05 pm

2 stops25h 20m

Bilbao

Wed 1/28

11:35 am-11:57 am

3 stops33h 22m

$493

PortlandBilbao

PDX - BIO

PDXBIO

Portland

Tue 5/19

1:05 pm-4:30 pm

1 stop18h 25m

Bilbao

Tue 5/26

7:10 am-3:06 pm

2 stops16h 56m

$587

PortlandBilbao

PDX - BIO

PDXBIO

Portland

Wed 1/21

1:24 pm-6:05 pm

3 stops19h 41m

Bilbao

Wed 1/28

11:35 am-9:45 am

3 stops31h 10m

$593

PortlandBilbao

PDX - BIO

PDXBIO

Portland

Wed 3/18

5:40 am-11:15 pm

2 stops33h 35m

Bilbao

Wed 3/25

6:45 am-11:07 pm

2 stops24h 22m

$660

PortlandBilbao

PDX - BIO

PDXBIO

Portland

Tue 5/19

1:38 pm-5:30 pm

2 stops18h 52m

Bilbao

Tue 5/26

7:10 am-3:06 pm

2 stops16h 56m

$673

PortlandBilbao

PDX - BIO

PDXBIO

Portland

Tue 5/19

1:05 pm-10:45 pm

1 stop24h 40m

Bilbao

Tue 5/26

6:45 am-11:10 am

1 stop13h 25m

$807

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Portland to Bilbao

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Bilbao?

The cheapest day to depart from Portland to Bilbao is on a Tuesday. Travelers who choose to depart for Bilbao on a Tuesday will often find tickets for as low as $952. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $1,705. These prices are subject to change though, so be sure to set up a Price Alert for flights to Bilbao.

What is the cheapest time of day to depart on your flight to Bilbao?

Our most recent data shows that the best time of day to fly to Bilbao is in the afternoon. Flights from Portland to Bilbao during this time can be as low as $1,226. At noon is when there is more demand to fly to Bilbao, so prices are often more expensive at around $1,254 per ticket.

When to book flights from Portland to Bilbao

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

Estimated round-trip price

Cheap Portland to Bilbao (PDX to BIO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland to Bilbao

Fastest flight time	18h 05m
Direct flights	None

The fastest flight from Portland to Bilbao takes 18h 05m

There are no direct flights from Portland to Bilbao. There are no popular flight routes from Portland to Bilbao.

Search flight deals

How far is Portland to Bilbao by plane?
There are 5272.0 mi between Portland and Bilbao. In terms of flight time, this usually takes a little over 18h 05m.
When did momondo last update prices for flights from Portland Airport to Bilbao Airport?
Prices for flights from Portland Airport to Bilbao Airport are updated daily.
How many operators does momondo search for flights from Portland Airport to Bilbao Airport?
The number of operators available for flights from Portland Airport to Bilbao Airport is 2 as of December 2025.
How old do you have to be to fly from Portland Airport to Bilbao Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Portland Airport to Bilbao Airport.
What documentation or ID do you need to fly to Bilbao Airport?
The travel and health documents you'll need for your trip to Bilbao Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Bilbao Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Portland to Bilbao?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Portland to Bilbao is Delta (51% of total bookings). The next most popular airline is KLM (49%).

Best airlines flying from Portland to Bilbao

Compare and see reviews for airlines that fly from Portland to Bilbao with momondo

Airline	Rating	Free Cancellation	Price
KLM	PriceFrom $476	Free Cancellation	Rating 7.7 1,434 reviews		Search KLM flights
Delta	PriceFrom $633	Free Cancellation	Rating 7.9 8,015 reviews		Search Delta flights

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

It is quick and easy to find Portland to Bilbao flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Bilbao that suits you.

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

Yes. All flights to Bilbao from Portland on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo helps you find the best flight between Portland and Bilbao by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Portland 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 Portland and alert you when they change.