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 October 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.

$640 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.

8:30 am - 6:05 pmPDX-BIO

24h 35m2 stops

12:50 pm - 12:26 amBIO-PDX

20h 36m2 stops

$674United Airlines

Find Deal

Thu, Nov 13 - Mon, Nov 17

11:10 pm - 12:50 pmPDX-BIO

29h 40m2 stops

6:45 am - 10:57 pmBIO-PDX

24h 12m2 stops

$686Multiple Airlines

Find Deal

Fri, Mar 13 - Sat, Mar 21

5:30 am - 11:30 amPDX-BIO

21h 00m2 stops

6:50 am - 11:25 amBIO-PDX

13h 35m1 stop

$720Delta

Find Deal

Thu, Nov 13 - Mon, Nov 17

12:35 am - 11:30 amPDX-BIO

25h 55m2 stops

6:50 am - 11:25 amBIO-PDX

13h 35m1 stop

$721Delta

Find Deal

Wed, Nov 12 - Mon, Nov 17

2:25 pm - 4:30 pmPDX-BIO

18h 05m1 stop

6:50 am - 11:20 amBIO-PDX

13h 30m1 stop

$735KLM

Find Deal

Wed, Mar 25 - Wed, Apr 8

9:50 am - 12:05 pmPDX-BIO

18h 15m2 stops

6:45 am - 2:40 pmBIO-PDX

40h 55m2 stops

$742Air Canada

Find Deal

Wed, Mar 25 - Wed, Apr 8

2:25 pm - 4:30 pmPDX-BIO

18h 05m1 stop

7:10 am - 4:29 pmBIO-PDX

18h 19m2 stops

$751KLM

Find Deal

Wed, Mar 25 - Wed, Apr 8

9:50 am - 12:05 pmPDX-BIO

18h 15m2 stops

7:15 am - 6:30 pmBIO-PDX

20h 15m3 stops

$766Air Canada

Find Deal

Wed, Mar 25 - Wed, Apr 8

12:49 am - 8:30 amPDX-BIO

22h 41m2 stops

6:45 am - 9:19 pmBIO-PDX

23h 34m2 stops

$2,736American Airlines

Find Deal

Sat, Dec 20 - Mon, Jan 5

12:59 am - 12:50 pmPDX-BIO

26h 51m2 stops

9:15 am - 11:36 pmBIO-PDX

23h 21m2 stops

$5,634American Airlines

Find Deal

Thu, Nov 20 - Sun, Nov 30

United Airlines flights from Portland to Bilbao

Our best United Airlines deals on Portland to Bilbao flight tickets

United Airlines

Nov 13

PDX8:30 amPortland

24h 35m

2 stops

BIO6:05 pmBilbao

Nov 17

BIO12:50 pmBilbao

20h 36m

2 stops

PDX12:26 amPortland

$674

Find similar

United Airlines

Nov 13

PDX8:30 amPortland

24h 35m

2 stops

BIO6:05 pmBilbao

Nov 17

BIO6:45 amBilbao

20h 55m

2 stops

PDX6:40 pmPortland

$788

Find similar

United Airlines

Mar 25

PDX1:25 pmPortland

20h 40m

3 stops

BIO6:05 pmBilbao

Apr 8

BIO2:10 pmBilbao

19h 09m

2 stops

PDX12:19 amPortland

$939

Find similar

KLM flights from Portland to Bilbao

Our best KLM deals on Portland to Bilbao flight tickets

KLM

Mar 25

PDX2:25 pmPortland

18h 05m

1 stop

BIO4:30 pmBilbao

Apr 8

BIO6:50 amBilbao

13h 30m

1 stop

PDX11:20 amPortland

$735

Find similar

KLM

Mar 25

PDX2:25 pmPortland

18h 05m

1 stop

BIO4:30 pmBilbao

Apr 8

BIO7:10 amBilbao

18h 19m

2 stops

PDX4:29 pmPortland

$751

Find similar

KLM

Mar 13

PDX2:25 pmPortland

24h 20m

1 stop

BIO10:45 pmBilbao

Mar 21

BIO5:20 pmBilbao

27h 05m

1 stop

PDX12:25 pmPortland

$763

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PortlandBilbao

PDX - BIO

PDXBIO

Portland

Thu 11/13

8:30 am-6:05 pm

2 stops24h 35m

Bilbao

Mon 11/17

12:50 pm-12:26 am

2 stops20h 36m

$674

PortlandBilbao

PDX - BIO

PDXBIO

Portland

Fri 3/13

11:10 pm-12:50 pm

2 stops29h 40m

Bilbao

Sat 3/21

6:45 am-10:57 pm

2 stops24h 12m

$686

PortlandBilbao

PDX - BIO

PDXBIO

Portland

Thu 11/13

5:30 am-11:30 am

2 stops21h 00m

Bilbao

Mon 11/17

6:50 am-11:25 am

1 stop13h 35m

$720

PortlandBilbao

PDX - BIO

PDXBIO

Portland

Wed 11/12

12:35 am-11:30 am

2 stops25h 55m

Bilbao

Mon 11/17

6:50 am-11:25 am

1 stop13h 35m

$721

PortlandBilbao

PDX - BIO

PDXBIO

Portland

Wed 3/25

2:25 pm-4:30 pm

1 stop18h 05m

Bilbao

Wed 4/8

6:50 am-11:20 am

1 stop13h 30m

$735

PortlandBilbao

PDX - BIO

PDXBIO

Portland

Wed 3/25

9:50 am-12:05 pm

2 stops18h 15m

Bilbao

Wed 4/8

6:45 am-2:40 pm

2 stops40h 55m

$742

PortlandBilbao

PDX - BIO

PDXBIO

Portland

Wed 3/25

2:25 pm-4:30 pm

1 stop18h 05m

Bilbao

Wed 4/8

7:10 am-4:29 pm

2 stops18h 19m

$751

PortlandBilbao

PDX - BIO

PDXBIO

Portland

Wed 3/25

9:50 am-12:05 pm

2 stops18h 15m

Bilbao

Wed 4/8

7:15 am-6:30 pm

3 stops20h 15m

$766

PortlandBilbao

PDX - BIO

PDXBIO

Portland

Sat 12/20

12:49 am-8:30 am

2 stops22h 41m

Bilbao

Mon 1/5

6:45 am-9:19 pm

2 stops23h 34m

$2,736

PortlandBilbao

PDX - BIO

PDXBIO

Portland

Thu 11/20

12:59 am-12:50 pm

2 stops26h 51m

Bilbao

Sun 11/30

9:15 am-11:36 pm

2 stops23h 21m

$5,634

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

Direct flights	None

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

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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 October 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 (61% of total bookings). The next most popular airline is KLM (39%).

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 $576	Free Cancellation	Rating 7.7 1,406 reviews		Search KLM flights
Delta	PriceFrom $678	Free Cancellation	Rating 7.9 7,999 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.