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$851+ Cheap flights from Portland (PDX) to Bilbao (BIO)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/28. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — BIO
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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Cheap flight deals from Portland to Bilbao

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) to Bilbao (BIO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$995
(Air Canada)

Popular in

June

Cheapest in

November

Average price

$716
Provider with most accurate pricing for Portland-Bilbao flight deals.
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Provider most trusted by Cheapflights users for Portland-Bilbao flights.
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From Portland to Bilbao
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($295 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($53 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Find flight deals from Portland to Bilbao

Cheapest flights from Portland to Bilbao
Explore the most affordable flight options available from Portland to Bilbao. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.

This United deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/284:00 pmPDX - BIO
2 stops21h 50mUnited Airlines
Fri 4/47:15 amBIO - PDX
2 stops24h 33mUnited Airlines
Deal found 2/19$851
This Gotogate deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/186:15 amPDX - BIO
2 stops29h 00mMultiple Airlines
Fri 8/296:45 amBIO - PDX
2 stops25h 11mMultiple Airlines
Deal found 2/19$946
This Air Canada deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/3010:10 amPDX - BIO
2 stops23h 10mAir Canada
Wed 5/76:45 amBIO - PDX
2 stops16h 55mAir Canada
Deal found 2/19$996
This KLM deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/71:38 pmPDX - BIO
2 stops17h 52mKLM
Thu 5/225:15 pmBIO - PDX
1 stop27h 05mKLM
Deal found 2/19$1,012
This Cheapflightsfares deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/82:02 pmPDX - BIO
2 stops18h 48mLufthansa
Wed 4/236:45 amBIO - PDX
2 stops21h 00mLufthansa
Deal found 2/19$1,030
This Delta deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/712:59 amPDX - BIO
2 stops24h 26mDelta
Wed 4/236:50 amBIO - PDX
1 stop13h 30mDelta
Deal found 2/20$1,058
This FlightHub deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/117:00 amPDX - BIO
2 stops27h 50mScandinavian Airlines
Fri 9/198:40 pmBIO - PDX
2 stops35h 47mScandinavian Airlines
Deal found 2/20$1,122

Find flights from Portland to Bilbao within your budget

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, Cheapflights users made 2,558,603 searches. Data last updated February 20, 2025.

Fly from

Portland

Fly to

Bilbao

Route

Depart

Return

Price

PortlandBilbao

PDX - BIO

PDXBIO

Portland

Fri 3/28

4:00 pm-9:50 pm

2 stops21h 50m

Bilbao

Fri 4/4

7:15 am-10:48 pm

2 stops24h 33m

$851

PortlandBilbao

PDX - BIO

PDXBIO

Portland

Wed 4/30

10:10 am-6:20 pm

2 stops23h 10m

Bilbao

Wed 5/7

6:45 am-2:40 pm

2 stops16h 55m

$996

PortlandBilbao

PDX - BIO

PDXBIO

Portland

Wed 5/7

6:15 am-6:20 pm

2 stops27h 05m

Bilbao

Thu 5/22

8:40 am-6:45 pm

2 stops19h 05m

$1,004

PortlandBilbao

PDX - BIO

PDXBIO

Portland

Wed 5/7

1:38 pm-4:30 pm

2 stops17h 52m

Bilbao

Thu 5/22

5:15 pm-11:20 am

1 stop27h 05m

$1,012

PortlandBilbao

PDX - BIO

PDXBIO

Portland

Tue 4/8

2:02 pm-5:50 pm

2 stops18h 48m

Bilbao

Wed 4/23

6:45 am-6:45 pm

2 stops21h 00m

$1,030

PortlandBilbao

PDX - BIO

PDXBIO

Portland

Mon 4/7

12:59 am-10:25 am

2 stops24h 26m

Bilbao

Wed 4/23

6:50 am-11:20 am

1 stop13h 30m

$1,058

PortlandBilbao

PDX - BIO

PDXBIO

Portland

Tue 3/4

7:00 am-9:50 pm

3 stops29h 50m

$1,068

PortlandBilbao

PDX - BIO

PDXBIO

Portland

Tue 3/11

7:05 am-11:30 am

2 stops20h 25m

$1,274

PortlandBilbao

PDX - BIO

PDXBIO

Portland

Tue 3/11

2:25 pm-11:20 am

1 stop12h 55m

$1,276

PortlandBilbao

PDX - BIO

PDXBIO

Portland

Tue 3/11

10:10 am-9:50 pm

2 stops27h 40m

$1,312

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 11 results
1
2
  • Most accurate provider: When it comes to deals on Portland-Bilbao flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Portland-Bilbao flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Portland-Bilbao flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Portland-Bilbao flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Portland-Bilbao flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Portland to Bilbao

Have a flexible travel schedule? Discover the best time to fly to Bilbao from Portland with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Portland to Bilbao

Get recent, data-driven insights about flights from Portland to Bilbao including ideal travel times, pricing trends, and more.

What is the cheapest time of day to fly from PDX to BIO?

Find hourly flight availability from Portland to Bilbao. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 20, 2025.

When flying from Portland to Bilbao, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 3% versus a flight at noon.

Rainfall in Bilbao by month

Plan your trip to Bilbao by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Bilbao ranges from 2.4 - 5.6 inches per month. November is typically the wettest month, when rainfall can reach 5.6 in. July is typically the driest time to visit Bilbao when rainfall is around 2.4 in.

Temperature in Bilbao by month

Plan your trip to Bilbao by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Bilbao, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

Reviews of airlines servicing Bilbao

Get insights into the airlines that provide service to Bilbao. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Bilbao. Reviews last updated February 20, 2025.
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very good
8,220 reviews
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM
7.8
Good
1,333 reviews
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines
7.4
Good
8,766 reviews
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Air Canada
7.0
Good
8,748 reviews
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Air Europa
6.9
Okay
517 reviews
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Portland to Bilbao. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Portland to Bilbao round-trip?

    Flying on Air Canada is currently your cheapest option to Bilbao, with prices starting at $995. Additional round-trip tickets that might be worth considering are offered by United Airlines and Delta, with the lowest prices starting at $996 and $1,004, respectively. Users have found that Air Canada is 13% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Portland to Bilbao one-way?

    To fly one-way, consider booking your trip with United Airlines, which is currently one of the cheapest options available, starting at $1,068. Delta flights start at $1,274 while deals on KLM start at $1,276 one-way.

  • Can I find deals for flights from Portland to Bilbao that include hotel bookings?

    Yes. In addition to deals on Portland to Bilbao flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Portland to Bilbao?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Bilbao.

  • Can I find deals for business class flights from Portland to Bilbao?

    Yes. Cheapflights offers flight deals from Portland to Bilbao by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Portland to Bilbao?

    Currently, January is the cheapest month in which you can book a flight from Portland to Bilbao (average of $541). Flying from Portland to Bilbao in June is currently the most expensive (average of $1,178). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Portland to Bilbao

See prices for flight routes from nearby airports that may be better suited for you.
Boise to Bilbao flights

Top 2 airlines flying from Portland to Bilbao

Discover the top 2 airlines that operate flights from Portland to Bilbao. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$716Average$1,247FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$952Average$1,619FlexibilityNo cancel feeOn-time75%
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