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.

$458 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

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7:00 am - 11:45 am

PDX

BIO

19h 45m2 stops

5:20 pm - 11:25 am

BIO

PDX

27h 05m1 stop

$458KLM

Wed, Jan 21 - Thu, Feb 5

10:00 am - 11:30 am

PDX

BIO

16h 30m2 stops

5:20 pm - 11:25 am

BIO

PDX

27h 05m1 stop

$462KLM

Tue, Jan 20 - Tue, Feb 3

7:38 am - 11:15 pm

PDX

BIO

30h 37m2 stops

6:45 am - 11:46 pm

BIO

PDX

26h 01m2 stops

$464Multiple Airlines

Wed, Jan 21 - Wed, Feb 4

7:00 am - 11:45 am

PDX

BIO

19h 45m2 stops

7:25 am - 5:35 pm

BIO

PDX

19h 10m2 stops

$467Multiple Airlines

Wed, Jan 21 - Tue, Feb 3

1:24 pm - 9:55 pm

PDX

BIO

23h 31m3 stops

11:35 am - 12:31 am

BIO

PDX

21h 56m2 stops

$470United Airlines

Tue, Jan 20 - Tue, Feb 3

11:10 am - 11:30 am

PDX

BIO

15h 20m2 stops

5:20 pm - 11:25 am

BIO

PDX

27h 05m1 stop

$472Multiple Airlines

Thu, Jan 22 - Tue, Feb 3

1:24 pm - 6:05 pm

PDX

BIO

19h 41m3 stops

11:35 am - 11:57 am

BIO

PDX

33h 22m2 stops

$476United Airlines

Wed, Jan 21 - Wed, Feb 4

3:50 pm - 11:20 pm

PDX

BIO

22h 30m2 stops

11:35 am - 12:39 am

BIO

PDX

22h 04m2 stops

$479United Airlines

Fri, Jan 16 - Tue, Jan 20

7:00 am - 11:30 am

PDX

BIO

19h 30m2 stops

7:25 am - 5:35 pm

BIO

PDX

19h 10m2 stops

$480Air France

Thu, Jan 22 - Tue, Feb 3

10:00 am - 4:30 pm

PDX

BIO

21h 30m2 stops

5:20 pm - 11:25 am

BIO

PDX

27h 05m1 stop

$481KLM

Sat, Jan 17 - Sat, Jan 24

KLM flights from Portland to Bilbao

Our best KLM deals on Portland to Bilbao flight tickets

KLM

Jan 21

PDX7:00 amPortland

19h 45m

2 stops

BIO11:45 amBilbao

Feb 5

BIO5:20 pmBilbao

27h 05m

1 stop

PDX11:25 amPortland

$458

Find similar

KLM

Jan 20

PDX10:00 amPortland

16h 30m

2 stops

BIO11:30 amBilbao

Feb 3

BIO5:20 pmBilbao

27h 05m

1 stop

PDX11:25 amPortland

$462

Find similar

KLM

Jan 17

PDX10:00 amPortland

21h 30m

2 stops

BIO4:30 pmBilbao

Jan 24

BIO5:20 pmBilbao

27h 05m

1 stop

PDX11:25 amPortland

$481

Find similar

United Airlines flights from Portland to Bilbao

Our best United Airlines deals on Portland to Bilbao flight tickets

United Airlines

Jan 20

PDX1:24 pmPortland

23h 31m

3 stops

BIO9:55 pmBilbao

Feb 3

BIO11:35 amBilbao

21h 56m

2 stops

PDX12:31 amPortland

$470

Find similar

United Airlines

Jan 21

PDX1:24 pmPortland

19h 41m

3 stops

BIO6:05 pmBilbao

Feb 4

BIO11:35 amBilbao

33h 22m

2 stops

PDX11:57 amPortland

$476

Find similar

United Airlines

Jan 16

PDX3:50 pmPortland

22h 30m

2 stops

BIO11:20 pmBilbao

Jan 20

BIO11:35 amBilbao

22h 04m

2 stops

PDX12:39 amPortland

$479

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PortlandBilbao

PDX - BIO

PDXBIO

Portland

Wed 1/21

7:00 am-11:45 am

2 stops19h 45m

Bilbao

Thu 2/5

5:20 pm-11:25 am

1 stop27h 05m

$458

PortlandBilbao

PDX - BIO

PDXBIO

Portland

Tue 1/20

10:00 am-11:30 am

2 stops16h 30m

Bilbao

Tue 2/3

5:20 pm-11:25 am

1 stop27h 05m

$462

PortlandBilbao

PDX - BIO

PDXBIO

Portland

Wed 1/21

7:38 am-11:15 pm

2 stops30h 37m

Bilbao

Wed 2/4

6:45 am-11:46 pm

2 stops26h 01m

$464

PortlandBilbao

PDX - BIO

PDXBIO

Portland

Wed 1/21

7:00 am-11:45 am

2 stops19h 45m

Bilbao

Tue 2/3

7:25 am-5:35 pm

2 stops19h 10m

$467

PortlandBilbao

PDX - BIO

PDXBIO

Portland

Tue 1/20

1:24 pm-9:55 pm

3 stops23h 31m

Bilbao

Tue 2/3

11:35 am-12:31 am

2 stops21h 56m

$470

PortlandBilbao

PDX - BIO

PDXBIO

Portland

Thu 1/22

11:10 am-11:30 am

2 stops15h 20m

Bilbao

Tue 2/3

5:20 pm-11:25 am

1 stop27h 05m

$472

PortlandBilbao

PDX - BIO

PDXBIO

Portland

Wed 1/21

1:24 pm-6:05 pm

3 stops19h 41m

Bilbao

Wed 2/4

11:35 am-11:57 am

2 stops33h 22m

$476

PortlandBilbao

PDX - BIO

PDXBIO

Portland

Fri 1/16

3:50 pm-11:20 pm

2 stops22h 30m

Bilbao

Tue 1/20

11:35 am-12:39 am

2 stops22h 04m

$479

PortlandBilbao

PDX - BIO

PDXBIO

Portland

Thu 1/22

7:00 am-11:30 am

2 stops19h 30m

Bilbao

Tue 2/3

7:25 am-5:35 pm

2 stops19h 10m

$480

PortlandBilbao

PDX - BIO

PDXBIO

Portland

Sat 1/17

10:00 am-4:30 pm

2 stops21h 30m

Bilbao

Sat 1/24

5:20 pm-11:25 am

1 stop27h 05m

$481

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	21h 50m
Direct flights	None

The fastest flight from Portland to Bilbao takes 21h 50m

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 12h 55m.
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 (56% of total bookings). The next most popular airline is KLM (44%).

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 1,428 reviews		Search KLM flights
Delta	PriceFrom $678	Free Cancellation	Rating 7.9 8,011 reviews		Search Delta flights

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Why use momondo?

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.