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Cheap flights from Portland to Bilbao from $401

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 10/2. 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
1 adult, Economy, 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
1:28 pm - 11:15 pm
PDX
-
BIO
24h 47m
2 stops
Multiple Airlines Logo
9:35 pm - 10:59 pm
BIO
-
PDX
34h 24m
2 stops
$762Multiple Airlines
Mon, Oct 5 - Mon, Oct 19
Multiple Airlines Logo
12:01 pm - 11:15 pm
PDX
-
BIO
26h 14m
2 stops
Multiple Airlines Logo
6:45 am - 12:07 am
BIO
-
PDX
26h 22m
2 stops
$781Multiple Airlines
Wed, Sep 16 - Tue, Sep 29
Delta Logo
12:36 pm - 4:30 pm
PDX
-
BIO
18h 54m
2 stops
Delta Logo
6:45 am - 11:10 am
BIO
-
PDX
13h 25m
1 stop
$786Delta
Mon, Oct 5 - Mon, Oct 19
Multiple Airlines Logo
7:16 am - 4:00 pm
PDX
-
BIO
23h 44m
2 stops
Multiple Airlines Logo
1:40 pm - 10:18 pm
BIO
-
PDX
41h 38m
2 stops
$787Multiple Airlines
Tue, Sep 1 - Wed, Dec 23
Delta Logo
3:21 pm - 5:30 pm
PDX
-
BIO
17h 09m
2 stops
Delta Logo
6:45 am - 4:05 pm
BIO
-
PDX
18h 20m
2 stops
$791Delta
Thu, Sep 17 - Tue, Sep 29
Air Canada Logo
10:10 am - 5:55 pm
PDX
-
BIO
22h 45m
3 stops
Air Canada Logo
6:50 am - 7:06 pm
BIO
-
PDX
21h 16m
2 stops
$814Air Canada
Mon, Oct 5 - Mon, Oct 19
Air Canada Logo
3:30 pm - 5:55 pm
PDX
-
BIO
17h 25m
2 stops
Air Canada Logo
6:50 am - 9:26 am
BIO
-
PDX
35h 36m
2 stops
$828Air Canada
Thu, Oct 15 - Sat, Oct 24
Delta Logo
6:04 am - 9:50 am
PDX
-
BIO
18h 46m
2 stops
Delta Logo
6:45 am - 11:10 am
BIO
-
PDX
13h 25m
1 stop
$831Delta
Thu, Oct 15 - Sat, Oct 24
KLM Logo
1:38 pm - 4:30 pm
PDX
-
BIO
17h 52m
2 stops
KLM Logo
12:00 pm - 12:20 pm
BIO
-
PDX
33h 20m
1 stop
$836KLM
Thu, Oct 15 - Sat, Oct 24
Delta Logo
6:04 am - 9:50 am
PDX
-
BIO
18h 46m
2 stops
Delta Logo
6:45 am - 4:34 pm
BIO
-
PDX
18h 49m
2 stops
$841Delta
Thu, Oct 15 - Sat, Oct 24

Delta flights from Portland to Bilbao

Our best Delta deals on Portland to Bilbao flight tickets
Delta
Oct 5
PDX12:36 pmPortland
18h 54m
2 stops
BIO4:30 pmBilbao
Oct 19
BIO6:45 amBilbao
13h 25m
1 stop
PDX11:10 amPortland
$786
Delta
Sep 17
PDX3:21 pmPortland
17h 09m
2 stops
BIO5:30 pmBilbao
Sep 29
BIO6:45 amBilbao
18h 20m
2 stops
PDX4:05 pmPortland
$791
Delta
Oct 15
PDX6:04 amPortland
18h 46m
2 stops
BIO9:50 amBilbao
Oct 24
BIO6:45 amBilbao
13h 25m
1 stop
PDX11:10 amPortland
$831

Air Canada flights from Portland to Bilbao

Our best Air Canada deals on Portland to Bilbao flight tickets
Air Canada
Oct 5
PDX10:10 amPortland
22h 45m
3 stops
BIO5:55 pmBilbao
Oct 19
BIO6:50 amBilbao
21h 16m
2 stops
PDX7:06 pmPortland
$814
Air Canada
Oct 15
PDX3:30 pmPortland
17h 25m
2 stops
BIO5:55 pmBilbao
Oct 24
BIO6:50 amBilbao
35h 36m
2 stops
PDX9:26 amPortland
$828
Air Canada
Oct 5
PDX10:10 amPortland
22h 45m
3 stops
BIO5:55 pmBilbao
Oct 19
BIO7:15 amBilbao
20h 51m
3 stops
PDX7:06 pmPortland
$868

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 June 4, 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

Mon 10/5

1:28 pm-11:15 pm

2 stops24h 47m

Bilbao

Mon 10/19

9:35 pm-10:59 pm

2 stops34h 24m

$762

PortlandBilbao

PDX - BIO

PDXBIO

Portland

Wed 9/16

12:01 pm-11:15 pm

2 stops26h 14m

Bilbao

Tue 9/29

6:45 am-12:07 am

2 stops26h 22m

$781

PortlandBilbao

PDX - BIO

PDXBIO

Portland

Mon 10/5

12:36 pm-4:30 pm

2 stops18h 54m

Bilbao

Mon 10/19

6:45 am-11:10 am

1 stop13h 25m

$786

PortlandBilbao

PDX - BIO

PDXBIO

Portland

Tue 9/1

7:16 am-4:00 pm

2 stops23h 44m

Bilbao

Wed 12/23

1:40 pm-10:18 pm

2 stops41h 38m

$787

PortlandBilbao

PDX - BIO

PDXBIO

Portland

Thu 9/17

3:21 pm-5:30 pm

2 stops17h 09m

Bilbao

Tue 9/29

6:45 am-4:05 pm

2 stops18h 20m

$791

PortlandBilbao

PDX - BIO

PDXBIO

Portland

Mon 10/5

10:10 am-5:55 pm

3 stops22h 45m

Bilbao

Mon 10/19

6:50 am-7:06 pm

2 stops21h 16m

$814

PortlandBilbao

PDX - BIO

PDXBIO

Portland

Thu 10/15

3:30 pm-5:55 pm

2 stops17h 25m

Bilbao

Sat 10/24

6:50 am-9:26 am

2 stops35h 36m

$828
Quickest round-trip

PortlandBilbao

PDX - BIO

PDXBIO

Portland

Thu 10/15

6:04 am-9:50 am

2 stops18h 46m

Bilbao

Sat 10/24

6:45 am-11:10 am

1 stop13h 25m

$831

PortlandBilbao

PDX - BIO

PDXBIO

Portland

Thu 10/15

1:38 pm-4:30 pm

2 stops17h 52m

Bilbao

Sat 10/24

12:00 pm-12:20 pm

1 stop33h 20m

$836

PortlandBilbao

PDX - BIO

PDXBIO

Portland

Thu 10/15

6:04 am-9:50 am

2 stops18h 46m

Bilbao

Sat 10/24

6:45 am-4:34 pm

2 stops18h 49m

$841

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?

What is the cheapest month to fly to Bilbao?

The cheapest month to fly to Bilbao from Portland is in January. Flight prices, which tend to average around $0, are often lower during this time because this is during the off-season. If you’re not able to fly to Bilbao in January, then November is your next best option. Flight prices from Portland to Bilbao during November average around $508.

Can stopping save me money on Portland to Bilbao flights?

You could potentially save up to 21% 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

23h 44m

Direct flights

None
The fastest flight from Portland to Bilbao takes 23h 44m
There are no direct flights from Portland to Bilbao. There are no popular flight routes from Portland to Bilbao.
Search flight deals

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 23h 44m.

  • 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
KLMPriceFrom $476Free CancellationRating
7.8
1,524 reviews
Search KLM flights
DeltaPriceFrom $633Free CancellationRating
7.9
8,397 reviews
Search Delta 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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