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Cheap flights from Portland to Bilbao from $289

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to Bilbao departing on 10/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Portland to Bilbao

Cheap round-trip flights

Air Canada Logo
3:15 pm - 12:05 pmPDX-BIO
35h 50m2 stops
Air Canada Logo
11:35 am - 9:15 amBIO-PDX
54h 40m2 stops
$585Air Canada
Find Deal
Tue, Nov 4 - Mon, Nov 10
Air Canada Logo
7:00 pm - 12:05 pmPDX-BIO
32h 05m2 stops
Air Canada Logo
6:45 am - 9:15 amBIO-PDX
35h 30m3 stops
$615Air Canada
Find Deal
Tue, Nov 4 - Mon, Nov 10
Logo
2:10 pm - 5:20 pmPDX-BIO
18h 10m2 stops
Logo
6:50 am - 11:25 amBIO-PDX
13h 35m1 stop
$643
Find Deal
Tue, Nov 4 - Mon, Nov 10
Logo
6:15 am - 11:05 pmPDX-BIO
32h 50m2 stops
Logo
5:45 am - 9:15 amBIO-PDX
35h 30m2 stops
$652
Find Deal
Sun, Oct 26 - Sun, Nov 2
Logo
6:15 am - 6:05 pmPDX-BIO
27h 50m2 stops
Logo
5:45 am - 9:15 amBIO-PDX
35h 30m3 stops
$666
Find Deal
Sun, Oct 26 - Sun, Nov 2
Air Canada Logo
9:50 am - 4:40 pmPDX-BIO
21h 50m3 stops
Air Canada Logo
6:45 am - 9:15 amBIO-PDX
35h 30m3 stops
$668Air Canada
Find Deal
Tue, Nov 4 - Mon, Nov 10
KLM Logo
2:25 pm - 11:20 amPDX-BIO
12h 55m1 stop
KLM Logo
11:55 am - 11:25 amBIO-PDX
32h 30m1 stop
$726KLM
Find Deal
Sun, Oct 26 - Sun, Nov 2
United Airlines Logo
8:20 am - 10:50 amPDX-BIO
17h 30m2 stops
United Airlines Logo
12:45 pm - 11:03 amBIO-PDX
55h 18m3 stops
$1,004United Airlines
Find Deal
Thu, Nov 20 - Sun, Nov 30
United Airlines Logo
9:10 am - 4:40 pmPDX-BIO
23h 30m2 stops
United Airlines Logo
6:45 am - 10:08 pmBIO-PDX
23h 23m2 stops
$1,280United Airlines
Find Deal
Tue, Mar 10 - Thu, Mar 12
KLM Logo
12:55 pm - 4:30 pmPDX-BIO
18h 35m1 stop
KLM Logo
5:15 pm - 11:05 amBIO-PDX
26h 50m1 stop
$1,816KLM
Find Deal
Sun, Sep 21 - Thu, Sep 25

KLM flights from Portland to Bilbao

Our best KLM deals on Portland to Bilbao flight tickets
KLM
Oct 26
PDX2:25 pmPortland
12h 55m
1 stop
BIO11:20 amBilbao
Nov 2
BIO11:55 amBilbao
32h 30m
1 stop
PDX11:25 amPortland
$726
Find similar
KLM
Sep 21
PDX12:55 pmPortland
18h 35m
1 stop
BIO4:30 pmBilbao
Sep 25
BIO5:15 pmBilbao
26h 50m
1 stop
PDX11:05 amPortland
$1,816
Find similar

United Airlines flights from Portland to Bilbao

Our best United Airlines deals on Portland to Bilbao flight tickets
United Airlines
Nov 20
PDX8:20 amPortland
17h 30m
2 stops
BIO10:50 amBilbao
Nov 30
BIO12:45 pmBilbao
55h 18m
3 stops
PDX11:03 amPortland
$1,004
Find similar
United Airlines
Mar 10
PDX9:10 amPortland
23h 30m
2 stops
BIO4:40 pmBilbao
Mar 12
BIO6:45 amBilbao
23h 23m
2 stops
PDX10:08 pmPortland
$1,280
Find similar
United Airlines
Mar 10
PDX7:11 amPortland
20h 54m
2 stops
BIO12:05 pmBilbao
Mar 12
BIO12:50 pmBilbao
29h 25m
2 stops
PDX10:15 amPortland
$1,281
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Portland to Bilbao that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated September 11, 2025.
Use the filters below to find and compare flights from Portland to Bilbao that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortlandBilbao

PDX - BIO

PDXBIO

Portland

Tue 11/4

3:15 pm-12:05 pm

2 stops35h 50m

Bilbao

Mon 11/10

11:35 am-9:15 am

2 stops54h 40m

$585

PortlandBilbao

PDX - BIO

PDXBIO

Portland

Tue 11/4

7:00 pm-12:05 pm

2 stops32h 05m

Bilbao

Mon 11/10

6:45 am-9:15 am

3 stops35h 30m

$615

PortlandBilbao

PDX - BIO

PDXBIO

Portland

Tue 11/4

2:10 pm-5:20 pm

2 stops18h 10m

Bilbao

Mon 11/10

6:50 am-11:25 am

1 stop13h 35m

$643

PortlandBilbao

PDX - BIO

PDXBIO

Portland

Sun 10/26

6:15 am-11:05 pm

2 stops32h 50m

Bilbao

Sun 11/2

5:45 am-9:15 am

2 stops35h 30m

$652

PortlandBilbao

PDX - BIO

PDXBIO

Portland

Sun 10/26

6:15 am-6:05 pm

2 stops27h 50m

Bilbao

Sun 11/2

5:45 am-9:15 am

3 stops35h 30m

$666

PortlandBilbao

PDX - BIO

PDXBIO

Portland

Tue 11/4

9:50 am-4:40 pm

3 stops21h 50m

Bilbao

Mon 11/10

6:45 am-9:15 am

3 stops35h 30m

$668

PortlandBilbao

PDX - BIO

PDXBIO

Portland

Sun 10/26

2:25 pm-11:20 am

1 stop12h 55m

Bilbao

Sun 11/2

11:55 am-11:25 am

1 stop32h 30m

$726

PortlandBilbao

PDX - BIO

PDXBIO

Portland

Thu 11/20

8:20 am-10:50 am

2 stops17h 30m

Bilbao

Sun 11/30

12:45 pm-11:03 am

3 stops55h 18m

$1,004

PortlandBilbao

PDX - BIO

PDXBIO

Portland

Tue 3/10

9:10 am-4:40 pm

2 stops23h 30m

Bilbao

Thu 3/12

6:45 am-10:08 pm

2 stops23h 23m

$1,280

PortlandBilbao

PDX - BIO

PDXBIO

Portland

Sun 9/21

12:55 pm-4:30 pm

1 stop18h 35m

Bilbao

Thu 9/25

5:15 pm-11:05 am

1 stop26h 50m

$1,816

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Bilbao from

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?

  • 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?

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
DeltaPriceFrom $633Free CancellationRating
7.9
7,960 reviews
Search Delta flights
KLMPriceFrom $814Free CancellationRating
7.8
1,385 reviews
Search KLM flights

Traveling to a place near Bilbao?

Book flights to Bilbao if you plan to visit one of these locations
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.

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