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Bilbao

$620+ Cheap flights from Portland (PDX) to Bilbao (BIO)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — BIO
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
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 March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$801
(Finnair)

One-way from

$620
(American Airlines)

Popular in

June

Cheapest in

November

Average price

$1,189
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
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One-way flight from Portland to Bilbao
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Highest demand for flights based on searches. 23% potential increase in price ($353 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($52 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 28, 2025.

This Lufthansa deal was found by Cheapflights users on 3/27. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/309:55 amPDX - BIO
2 stops23h 25mLufthansa
Wed 5/76:45 amBIO - PDX
2 stops21h 00mLufthansa
Deal found 3/27$803
This Delta deal was found by Cheapflights users on 3/27. 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.
Wed 4/306:20 amPDX - BIO
2 stops19h 05mDelta
Wed 5/76:50 amBIO - PDX
1 stop13h 30mDelta
Deal found 3/27$860
This United deal was found by Cheapflights users on 3/27. 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.
Wed 4/3011:30 pmPDX - BIO
2 stops33h 20mUnited Airlines
Wed 5/72:10 pmBIO - PDX
3 stops33h 44mUnited Airlines
Deal found 3/27$893
This Justfly.com deal was found by Cheapflights users on 3/26. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/256:35 pmPDX - BIO
1 stop19h 15mMultiple Airlines
Tue 6/36:45 amBIO - PDX
1 stop15h 50mMultiple Airlines
Deal found 3/26$988
This KLM deal was found by Cheapflights users on 3/27. 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.
Tue 5/201:21 pmPDX - BIO
2 stops18h 19mKLM
Wed 5/286:50 amBIO - PDX
1 stop13h 30mKLM
Deal found 3/27$995
This Finnair deal was found by Cheapflights users on 3/25. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/711:14 amPDX - BIO
2 stops27h 01mFinnair
Thu 5/226:45 amBIO - PDX
2 stops26h 14mFinnair
Deal found 3/25$1,051
This Gurufare deal was found by Cheapflights users on 3/26. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/267:25 pmPDX - BIO
2 stops34h 55mAer Lingus
Wed 6/46:10 pmBIO - PDX
2 stops32h 25mAer Lingus
Deal found 3/26$1,175
This Air Canada deal was found by Cheapflights users on 3/26. 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.
Sun 5/2510:10 amPDX - BIO
2 stops22h 40mAir Canada
Wed 6/46:45 amBIO - PDX
2 stops21h 00mAir Canada
Deal found 3/26$1,516

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated March 28, 2025.
Use the filters below to find and compare flights from Portland to Bilbao that are best for you.

Fly from

Portland

Fly to

Bilbao

Route

Depart

Return

Price

PortlandBilbao

PDX - BIO

PDXBIO

Portland

Wed 4/30

9:55 am-6:20 pm

2 stops23h 25m

Bilbao

Wed 5/7

6:45 am-6:45 pm

2 stops21h 00m

$803

PortlandBilbao

PDX - BIO

PDXBIO

Portland

Wed 4/30

6:20 am-10:25 am

2 stops19h 05m

Bilbao

Wed 5/7

6:50 am-11:20 am

1 stop13h 30m

$860

PortlandBilbao

PDX - BIO

PDXBIO

Portland

Wed 4/30

11:30 pm-5:50 pm

2 stops33h 20m

Bilbao

Wed 5/7

2:10 pm-2:54 pm

3 stops33h 44m

$893

PortlandBilbao

PDX - BIO

PDXBIO

Portland

Sun 5/25

6:35 pm-10:50 pm

1 stop19h 15m

Bilbao

Tue 6/3

6:45 am-1:35 pm

1 stop15h 50m

$988

PortlandBilbao

PDX - BIO

PDXBIO

Portland

Tue 5/20

1:21 pm-4:40 pm

2 stops18h 19m

Bilbao

Wed 5/28

6:50 am-11:20 am

1 stop13h 30m

$995

PortlandBilbao

PDX - BIO

PDXBIO

Portland

Wed 5/7

11:14 am-11:15 pm

2 stops27h 01m

Bilbao

Thu 5/22

6:45 am-11:59 pm

2 stops26h 14m

$1,051

PortlandBilbao

PDX - BIO

PDXBIO

Portland

Mon 5/26

7:25 pm-3:20 pm

2 stops34h 55m

Bilbao

Wed 6/4

6:10 pm-5:35 pm

2 stops32h 25m

$1,175

PortlandBilbao

PDX - BIO

PDXBIO

Portland

Sun 5/25

10:10 am-5:50 pm

2 stops22h 40m

Bilbao

Wed 6/4

6:45 am-6:45 pm

2 stops21h 00m

$1,516

PortlandBilbao

PDX - BIO

PDXBIO

Portland

Mon 5/5

11:10 pm-11:40 am

2 stops27h 30m

$691

PortlandBilbao

PDX - BIO

PDXBIO

Portland

Mon 5/5

1:15 pm-10:45 pm

1 stop24h 30m

$711

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/25

Showing 1-10 of 12 results
1
2

Compare providers for flights from Portland to Bilbao

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Portland to Bilbao in March.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • 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.

Cheapflights Insights

Everything you need to know about your flight from Portland to Bilbao

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 March 28, 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 March 28, 2025.
Delta
8.0
Very good
7,897 reviews

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Crew

8.5

Food

7.3

Overall

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
7,897 reviews
Delta
8.0
Very good
7,897 reviews

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Crew

8.5

Food

7.3

Overall

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
1,321 reviews
Delta
8.0
Very good
7,897 reviews

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Crew

8.5

Food

7.3

Overall

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.
Finnair
7.6
Good
1,267 reviews
Delta
8.0
Very good
7,897 reviews

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Crew

8.5

Food

7.3

Overall

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
8,603 reviews
Delta
8.0
Very good
7,897 reviews

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Crew

8.5

Food

7.3

Overall

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.
Lufthansa
6.7
Okay
6,955 reviews
Delta
8.0
Very good
7,897 reviews

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Crew

8.5

Food

7.3

Overall

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 Finnair is currently your cheapest option to Bilbao, with prices starting at $801. Additional round-trip tickets that might be worth considering are offered by Lufthansa and Delta, with the lowest prices starting at $803 and $860, respectively. Users have found that Finnair is 29% cheaper than the other options available to this destination.

  • 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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$716Average$1,056FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$814Average$1,211FlexibilityNo cancel feeOn-time75%
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