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Cheap flights from Portland to Bilbao from $441

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 5/20. 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
7:00 am - 11:30 am
PDX
-
BIO
20h 30m
2 stops
Multiple Airlines Logo
11:55 am - 12:25 pm
BIO
-
PDX
32h 30m
1 stop
$478Multiple Airlines
Tue, Mar 10 - Tue, Mar 17
Lufthansa Logo
1:00 pm - 11:20 pm
PDX
-
BIO
26h 20m
2 stops
Lufthansa Logo
7:40 am - 9:10 pm
BIO
-
PDX
21h 30m
2 stops
$484Lufthansa
Tue, Mar 10 - Tue, Mar 17
United Airlines Logo
8:05 am - 4:00 pm
PDX
-
BIO
22h 55m
2 stops
United Airlines Logo
6:50 am - 12:26 pm
BIO
-
PDX
38h 36m
2 stops
$490United Airlines
Tue, Apr 21 - Tue, Apr 28
United Airlines Logo
5:00 am - 5:15 pm
PDX
-
BIO
27h 15m
2 stops
United Airlines Logo
6:50 am - 12:26 pm
BIO
-
PDX
38h 36m
2 stops
$501United Airlines
Wed, Apr 8 - Tue, Apr 21
Multiple Airlines Logo
8:00 am - 11:15 pm
PDX
-
BIO
30h 15m
2 stops
Multiple Airlines Logo
6:45 am - 11:57 pm
BIO
-
PDX
26h 12m
2 stops
$506Multiple Airlines
Wed, Apr 8 - Tue, Apr 21
Multiple Airlines Logo
6:22 am - 10:05 pm
PDX
-
BIO
30h 43m
2 stops
Multiple Airlines Logo
9:35 pm - 10:42 pm
BIO
-
PDX
34h 07m
2 stops
$508Multiple Airlines
Sun, Apr 19 - Tue, Apr 28
United Airlines Logo
7:30 am - 11:20 pm
PDX
-
BIO
31h 50m
2 stops
United Airlines Logo
6:45 am - 11:00 pm
BIO
-
PDX
48h 15m
3 stops
$512United Airlines
Tue, Mar 10 - Tue, Mar 17
United Airlines Logo
7:00 am - 12:05 pm
PDX
-
BIO
45h 05m
3 stops
United Airlines Logo
6:45 am - 11:00 pm
BIO
-
PDX
48h 15m
3 stops
$522United Airlines
Tue, Mar 10 - Tue, Mar 17
United Airlines Logo
5:30 am - 5:55 pm
PDX
-
BIO
27h 25m
3 stops
United Airlines Logo
6:50 am - 7:05 pm
BIO
-
PDX
21h 15m
2 stops
$575United Airlines
Tue, May 12 - Wed, May 27
KLM Logo
1:05 pm - 4:30 pm
PDX
-
BIO
18h 25m
1 stop
KLM Logo
12:00 pm - 11:10 am
BIO
-
PDX
32h 10m
1 stop
$578KLM
Sun, Apr 19 - Tue, Apr 28

Lufthansa flights from Portland to Bilbao

Our best Lufthansa deals on Portland to Bilbao flight tickets
Lufthansa
Mar 10
PDX1:00 pmPortland
26h 20m
2 stops
BIO11:20 pmBilbao
Mar 17
BIO7:40 amBilbao
21h 30m
2 stops
PDX9:10 pmPortland
$484
Lufthansa
May 19
PDX3:25 pmPortland
17h 30m
2 stops
BIO5:55 pmBilbao
May 26
BIO7:15 amBilbao
25h 37m
2 stops
PDX11:52 pmPortland
$583
Lufthansa
Mar 6
PDX7:30 amPortland
30h 50m
2 stops
BIO11:20 pmBilbao
Mar 16
BIO7:25 amBilbao
25h 10m
2 stops
PDX12:35 amPortland
$661

United Airlines flights from Portland to Bilbao

Our best United Airlines deals on Portland to Bilbao flight tickets
United Airlines
Apr 21
PDX8:05 amPortland
22h 55m
2 stops
BIO4:00 pmBilbao
Apr 28
BIO6:50 amBilbao
38h 36m
2 stops
PDX12:26 pmPortland
$490
United Airlines
Apr 8
PDX5:00 amPortland
27h 15m
2 stops
BIO5:15 pmBilbao
Apr 21
BIO6:50 amBilbao
38h 36m
2 stops
PDX12:26 pmPortland
$501
United Airlines
Mar 10
PDX7:30 amPortland
31h 50m
2 stops
BIO11:20 pmBilbao
Mar 17
BIO6:45 amBilbao
48h 15m
3 stops
PDX11:00 pmPortland
$512

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 February 12, 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

PortlandBilbao

PDX - BIO

PDXBIO

Portland

Tue 3/10

7:00 am-11:30 am

2 stops20h 30m

Bilbao

Tue 3/17

11:55 am-12:25 pm

1 stop32h 30m

$478

PortlandBilbao

PDX - BIO

PDXBIO

Portland

Tue 3/10

1:00 pm-11:20 pm

2 stops26h 20m

Bilbao

Tue 3/17

7:40 am-9:10 pm

2 stops21h 30m

$484

PortlandBilbao

PDX - BIO

PDXBIO

Portland

Tue 4/21

8:05 am-4:00 pm

2 stops22h 55m

Bilbao

Tue 4/28

6:50 am-12:26 pm

2 stops38h 36m

$490

PortlandBilbao

PDX - BIO

PDXBIO

Portland

Wed 4/8

5:00 am-5:15 pm

2 stops27h 15m

Bilbao

Tue 4/21

6:50 am-12:26 pm

2 stops38h 36m

$501

PortlandBilbao

PDX - BIO

PDXBIO

Portland

Wed 4/8

8:00 am-11:15 pm

2 stops30h 15m

Bilbao

Tue 4/21

6:45 am-11:57 pm

2 stops26h 12m

$506

PortlandBilbao

PDX - BIO

PDXBIO

Portland

Sun 4/19

6:22 am-10:05 pm

2 stops30h 43m

Bilbao

Tue 4/28

9:35 pm-10:42 pm

2 stops34h 07m

$508

PortlandBilbao

PDX - BIO

PDXBIO

Portland

Tue 3/10

7:30 am-11:20 pm

2 stops31h 50m

Bilbao

Tue 3/17

6:45 am-11:00 pm

3 stops48h 15m

$512

PortlandBilbao

PDX - BIO

PDXBIO

Portland

Tue 3/10

7:00 am-12:05 pm

3 stops45h 05m

Bilbao

Tue 3/17

6:45 am-11:00 pm

3 stops48h 15m

$522

PortlandBilbao

PDX - BIO

PDXBIO

Portland

Tue 5/12

5:30 am-5:55 pm

3 stops27h 25m

Bilbao

Wed 5/27

6:50 am-7:05 pm

2 stops21h 15m

$575

PortlandBilbao

PDX - BIO

PDXBIO

Portland

Sun 4/19

1:05 pm-4:30 pm

1 stop18h 25m

Bilbao

Tue 4/28

12:00 pm-11:10 am

1 stop32h 10m

$578

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 typical price of a round-trip flight between Portland and Bilbao?

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 30m

Direct flights

None
The fastest flight from Portland to Bilbao takes 22h 30m
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 30m.

  • 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
8,181 reviews
Search Delta flights
KLMPriceFrom $476Free CancellationRating
7.7
1,451 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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