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Cheap flights from Portland to Bilbao from $303

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 5/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Portland to Bilbao

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:30 am - 11:15 pm
PDX
-
BIO
31h 45m
2 stops
Multiple Airlines Logo
6:45 am - 10:59 pm
BIO
-
PDX
25h 14m
2 stops
$790Multiple Airlines
Wed, Sep 9 - Thu, Oct 15
Multiple Airlines Logo
6:30 am - 11:15 pm
PDX
-
BIO
31h 45m
2 stops
Multiple Airlines Logo
9:35 pm - 10:50 pm
BIO
-
PDX
34h 15m
2 stops
$802Multiple Airlines
Wed, Sep 9 - Wed, Sep 23
American Airlines Logo
11:55 am - 4:55 pm
PDX
-
BIO
20h 00m
2 stops
American Airlines Logo
9:15 am - 10:59 pm
BIO
-
PDX
22h 44m
2 stops
$851American Airlines
Thu, Oct 15 - Sat, Oct 24
Delta Logo
7:00 am - 5:30 pm
PDX
-
BIO
25h 30m
2 stops
Delta Logo
12:00 pm - 11:10 am
BIO
-
PDX
32h 10m
1 stop
$862Delta
Sun, Sep 6 - Thu, Oct 15
United Airlines Logo
5:00 am - 11:25 pm
PDX
-
BIO
33h 25m
2 stops
United Airlines Logo
6:45 am - 2:51 pm
BIO
-
PDX
17h 06m
2 stops
$863United Airlines
Wed, Sep 9 - Fri, Oct 16
SWISS Logo
7:00 am - 10:50 am
PDX
-
BIO
42h 50m
2 stops
SWISS Logo
8:55 pm - 7:06 pm
BIO
-
PDX
31h 11m
2 stops
$867SWISS
Sun, Sep 6 - Tue, Sep 22
Lufthansa Logo
10:35 am - 11:25 pm
PDX
-
BIO
27h 50m
2 stops
Lufthansa Logo
6:50 am - 7:06 pm
BIO
-
PDX
21h 16m
2 stops
$868Lufthansa
Wed, Sep 9 - Wed, Oct 14
Delta Logo
7:00 am - 5:30 pm
PDX
-
BIO
25h 30m
2 stops
Delta Logo
6:45 am - 3:05 pm
BIO
-
PDX
17h 20m
2 stops
$872Delta
Sun, Sep 6 - Wed, Oct 14
United Airlines Logo
5:00 am - 11:25 pm
PDX
-
BIO
33h 25m
2 stops
United Airlines Logo
6:50 am - 4:54 pm
BIO
-
PDX
19h 04m
2 stops
$873United Airlines
Wed, Sep 9 - Tue, Oct 13
Delta Logo
10:05 pm - 5:30 pm
PDX
-
BIO
34h 25m
2 stops
Delta Logo
12:00 pm - 11:10 am
BIO
-
PDX
32h 10m
1 stop
$875Delta
Mon, Sep 7 - Mon, Oct 12

Delta flights from Portland to Bilbao

Our best Delta deals on Portland to Bilbao flight tickets
Delta
Sep 6
PDX7:00 amPortland
25h 30m
2 stops
BIO5:30 pmBilbao
Oct 15
BIO12:00 pmBilbao
32h 10m
1 stop
PDX11:10 amPortland
$862
Delta
Sep 6
PDX7:00 amPortland
25h 30m
2 stops
BIO5:30 pmBilbao
Oct 14
BIO6:45 amBilbao
17h 20m
2 stops
PDX3:05 pmPortland
$872
Delta
Sep 7
PDX10:05 pmPortland
34h 25m
2 stops
BIO5:30 pmBilbao
Oct 12
BIO12:00 pmBilbao
32h 10m
1 stop
PDX11:10 amPortland
$875

Air Canada flights from Portland to Bilbao

Our best Air Canada deals on Portland to Bilbao flight tickets
Air Canada
Oct 8
PDX3:30 pmPortland
17h 25m
2 stops
BIO5:55 pmBilbao
Oct 17
BIO11:55 amBilbao
30h 36m
3 stops
PDX9:31 amPortland
$931
Air Canada
Apr 20
PDX7:05 pmPortland
37h 05m
3 stops
BIO5:10 pmBilbao
Apr 28
BIO7:15 amBilbao
24h 19m
3 stops
PDX10:34 pmPortland
$1,051

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 April 19, 2026.
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

Cheapest round-trip

PortlandBilbao

PDX - BIO

PDXBIO

Portland

Wed 9/9

6:30 am-11:15 pm

2 stops31h 45m

Bilbao

Thu 10/15

6:45 am-10:59 pm

2 stops25h 14m

$790

PortlandBilbao

PDX - BIO

PDXBIO

Portland

Wed 9/9

6:30 am-11:15 pm

2 stops31h 45m

Bilbao

Wed 9/23

9:35 pm-10:50 pm

2 stops34h 15m

$802
Quickest round-trip

PortlandBilbao

PDX - BIO

PDXBIO

Portland

Thu 10/15

11:55 am-4:55 pm

2 stops20h 00m

Bilbao

Sat 10/24

9:15 am-10:59 pm

2 stops22h 44m

$851

PortlandBilbao

PDX - BIO

PDXBIO

Portland

Sun 9/6

7:00 am-5:30 pm

2 stops25h 30m

Bilbao

Thu 10/15

12:00 pm-11:10 am

1 stop32h 10m

$862

PortlandBilbao

PDX - BIO

PDXBIO

Portland

Wed 9/9

5:00 am-11:25 pm

2 stops33h 25m

Bilbao

Fri 10/16

6:45 am-2:51 pm

2 stops17h 06m

$863

PortlandBilbao

PDX - BIO

PDXBIO

Portland

Sun 9/6

7:00 am-10:50 am

2 stops42h 50m

Bilbao

Tue 9/22

8:55 pm-7:06 pm

2 stops31h 11m

$867

PortlandBilbao

PDX - BIO

PDXBIO

Portland

Wed 9/9

10:35 am-11:25 pm

2 stops27h 50m

Bilbao

Wed 10/14

6:50 am-7:06 pm

2 stops21h 16m

$868

PortlandBilbao

PDX - BIO

PDXBIO

Portland

Sun 9/6

7:00 am-5:30 pm

2 stops25h 30m

Bilbao

Wed 10/14

6:45 am-3:05 pm

2 stops17h 20m

$872

PortlandBilbao

PDX - BIO

PDXBIO

Portland

Wed 9/9

5:00 am-11:25 pm

2 stops33h 25m

Bilbao

Tue 10/13

6:50 am-4:54 pm

2 stops19h 04m

$873

PortlandBilbao

PDX - BIO

PDXBIO

Portland

Mon 9/7

10:05 pm-5:30 pm

2 stops34h 25m

Bilbao

Mon 10/12

12:00 pm-11:10 am

1 stop32h 10m

$875

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 typical price of a round-trip flight between Portland and Bilbao?

Can stopping save me money on Portland to Bilbao flights?

You could potentially save up to 14% on your flight if you consider stops on a Portland to Bilbao flight.

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 55m

Direct flights

None
The fastest flight from Portland to Bilbao takes 22h 55m
There are no direct flights from Portland to Bilbao. There are no popular flight routes from Portland to Bilbao.
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Frequently asked questions about flying from Portland to Bilbao

  • 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 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 $469Free CancellationRating
7.9
8,422 reviews
Search Delta flights
KLMPriceFrom $476Free CancellationRating
7.8
1,502 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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