How do I get Price Alerts for flights from Portland to Bilbao?

Price Alerts will notify you by email when the price for flights to Bilbao from Portland decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

How can I save money on flights from Portland 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.

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 January 2026.

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.

$309 Cheap Flights from Portland to Bilbao in 2026

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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.

5:35 am - 11:20 pm

PDX

BIO

32h 45m2 stops

6:45 am - 6:49 pm

BIO

PDX

21h 04m2 stops

$487United Airlines

Fri, Feb 27 - Tue, Mar 3

3:50 pm - 11:20 pm

PDX

BIO

22h 30m2 stops

6:45 am - 5:51 pm

BIO

PDX

20h 06m2 stops

$488United Airlines

Fri, Feb 27 - Tue, Mar 3

1:55 pm - 11:15 pm

PDX

BIO

24h 20m2 stops

6:45 am - 11:41 pm

BIO

PDX

25h 56m2 stops

$507Multiple Airlines

Wed, Apr 8 - Tue, Apr 21

1:05 pm - 4:30 pm

PDX

BIO

18h 25m1 stop

6:45 am - 11:10 am

BIO

PDX

13h 25m1 stop

$551KLM

Wed, Apr 8 - Tue, Apr 21

1:05 pm - 11:15 am

PDX

BIO

13h 10m1 stop

12:00 pm - 11:10 am

BIO

PDX

32h 10m1 stop

$552KLM

Wed, Apr 8 - Tue, Apr 21

1:05 pm - 11:15 am

PDX

BIO

13h 10m1 stop

6:45 am - 6:52 pm

BIO

PDX

21h 07m2 stops

$561Delta

Wed, Apr 8 - Tue, Apr 21

3:40 pm - 9:55 pm

PDX

BIO

22h 15m2 stops

7:25 am - 11:04 pm

BIO

PDX

23h 39m2 stops

$563Lufthansa

Wed, Mar 18 - Wed, Mar 25

1:05 pm - 10:45 pm

PDX

BIO

24h 40m1 stop

7:10 am - 3:06 pm

BIO

PDX

16h 56m2 stops

$588KLM

Tue, May 19 - Tue, May 26

1:05 pm - 11:15 am

PDX

BIO

13h 10m1 stop

7:10 am - 3:06 pm

BIO

PDX

16h 56m2 stops

$589KLM

Tue, May 19 - Tue, May 26

3:15 pm - 11:25 pm

PDX

BIO

23h 10m2 stops

7:15 am - 6:30 pm

BIO

PDX

20h 15m3 stops

$597Multiple Airlines

Wed, Apr 8 - Tue, Apr 21

United Airlines flights from Portland to Bilbao

Our best United Airlines deals on Portland to Bilbao flight tickets

United Airlines

Feb 27

PDX5:35 amPortland

32h 45m

2 stops

BIO11:20 pmBilbao

Mar 3

BIO6:45 amBilbao

21h 04m

2 stops

PDX6:49 pmPortland

$487

Find similar

United Airlines

Feb 27

PDX3:50 pmPortland

22h 30m

2 stops

BIO11:20 pmBilbao

Mar 3

BIO6:45 amBilbao

20h 06m

2 stops

PDX5:51 pmPortland

$488

Find similar

United Airlines

Apr 30

PDX11:55 pmPortland

33h 00m

2 stops

BIO5:55 pmBilbao

Jun 3

BIO12:30 pmBilbao

17h 51m

1 stop

PDX9:21 pmPortland

$711

Find similar

KLM flights from Portland to Bilbao

Our best KLM deals on Portland to Bilbao flight tickets

KLM

Apr 8

PDX1:05 pmPortland

18h 25m

1 stop

BIO4:30 pmBilbao

Apr 21

BIO6:45 amBilbao

13h 25m

1 stop

PDX11:10 amPortland

$551

Find similar

KLM

Apr 8

PDX1:05 pmPortland

13h 10m

1 stop

BIO11:15 amBilbao

Apr 21

BIO12:00 pmBilbao

32h 10m

1 stop

PDX11:10 amPortland

$552

Find similar

KLM

May 19

PDX1:05 pmPortland

24h 40m

1 stop

BIO10:45 pmBilbao

May 26

BIO7:10 amBilbao

16h 56m

2 stops

PDX3:06 pmPortland

$588

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PortlandBilbao

PDX - BIO

PDXBIO

Portland

Fri 2/27

5:35 am-11:20 pm

2 stops32h 45m

Bilbao

Tue 3/3

6:45 am-6:49 pm

2 stops21h 04m

$487

PortlandBilbao

PDX - BIO

PDXBIO

Portland

Fri 2/27

3:50 pm-11:20 pm

2 stops22h 30m

Bilbao

Tue 3/3

6:45 am-5:51 pm

2 stops20h 06m

$488

PortlandBilbao

PDX - BIO

PDXBIO

Portland

Wed 4/8

1:55 pm-11:15 pm

2 stops24h 20m

Bilbao

Tue 4/21

6:45 am-11:41 pm

2 stops25h 56m

$507

PortlandBilbao

PDX - BIO

PDXBIO

Portland

Wed 4/8

1:05 pm-4:30 pm

1 stop18h 25m

Bilbao

Tue 4/21

6:45 am-11:10 am

1 stop13h 25m

$551

PortlandBilbao

PDX - BIO

PDXBIO

Portland

Wed 4/8

1:05 pm-11:15 am

1 stop13h 10m

Bilbao

Tue 4/21

12:00 pm-11:10 am

1 stop32h 10m

$552

PortlandBilbao

PDX - BIO

PDXBIO

Portland

Wed 4/8

1:05 pm-11:15 am

1 stop13h 10m

Bilbao

Tue 4/21

6:45 am-6:52 pm

2 stops21h 07m

$561

PortlandBilbao

PDX - BIO

PDXBIO

Portland

Wed 3/18

3:40 pm-9:55 pm

2 stops22h 15m

Bilbao

Wed 3/25

7:25 am-11:04 pm

2 stops23h 39m

$563

PortlandBilbao

PDX - BIO

PDXBIO

Portland

Tue 5/19

1:05 pm-10:45 pm

1 stop24h 40m

Bilbao

Tue 5/26

7:10 am-3:06 pm

2 stops16h 56m

$588

PortlandBilbao

PDX - BIO

PDXBIO

Portland

Tue 5/19

1:05 pm-11:15 am

1 stop13h 10m

Bilbao

Tue 5/26

7:10 am-3:06 pm

2 stops16h 56m

$589

PortlandBilbao

PDX - BIO

PDXBIO

Portland

Wed 4/8

3:15 pm-11:25 pm

2 stops23h 10m

Bilbao

Tue 4/21

7:15 am-6:30 pm

3 stops20h 15m

$597

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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	22h 15m
Direct flights	None

The fastest flight from Portland to Bilbao takes 22h 15m

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 22h 15m.
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 January 2026.
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 1,435 reviews		Search KLM flights
Delta	PriceFrom $633	Free Cancellation	Rating 7.9 8,023 reviews		Search Delta flights

How do I get Price Alerts for flights from Portland to Bilbao?
Price Alerts will notify you by email when the price for flights to Bilbao from Portland decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.
How can I save money on flights from Portland 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.

Getxo

Laredo

Lekeitio

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.