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$602+ Cheap flights from Phoenix 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 10/30. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — BIO
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheap flight deals from Phoenix to Bilbao

Discover tips and strategies to find the most affordable flight options for your journey from Phoenix (PH1) 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 September 17, 2025.

Round-trip from

$602
(Priceline)

Popular in

May

Cheapest in

September

Average price

$710
From Phoenix to Bilbao
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($217 potential increase over avg. RT price).
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Cheapest flight prices on average. 9% potential price decrease ($99 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Phoenix to Bilbao

Cheapest flights from Phoenix to Bilbao
Explore the most affordable flight options available from Phoenix to Bilbao. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

This Priceline deal was found by Cheapflights users on 9/15. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/307:00 amPHX - BIO
2 stops25h 40mAir Canada
Thu 11/66:45 amBIO - PHX
2 stops36h 59mAir Canada
Deal found 9/15$602
This United Airlines deal was found by Cheapflights users on 9/15. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/3010:34 amPHX - BIO
2 stops28h 31mUnited Airlines
Thu 11/66:45 amBIO - PHX
2 stops19h 11mUnited Airlines
Deal found 9/15$606
This United Airlines deal was found by Cheapflights users on 9/16. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/97:00 amPHX - BIO
2 stops27h 05mUnited Airlines
Sat 11/156:45 amBIO - PHX
2 stops41h 13mUnited Airlines
Deal found 9/16$625
This Delta deal was found by Cheapflights users on 9/15. 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.
Thu 10/306:00 amPHX - BIO
2 stops21h 30mDelta
Thu 11/67:25 amBIO - PHX
1 stop14h 10mDelta
Deal found 9/15$771
This Mytrip deal was found by Cheapflights users on 9/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/99:00 amPHX - BIO
3 stops29h 55mMultiple Airlines
Sat 11/1512:10 pmBIO - PHX
3 stops34h 52mMultiple Airlines
Deal found 9/16$849
This Mytrip deal was found by Cheapflights users on 9/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/3010:55 amPHX - BIO
3 stops27h 35mMultiple Airlines
Thu 11/612:10 pmBIO - PHX
3 stops31h 59mMultiple Airlines
Deal found 9/15$998
This KLM deal was found by Cheapflights users on 9/15. 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.
Thu 10/303:50 pmPHX - BIO
1 stop22h 35mKLM
Thu 11/67:25 amBIO - PHX
1 stop14h 10mKLM
Deal found 9/15$1,056

Cheapflights Fare Finder

 
Customize your flight search to find flights from Phoenix 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 September 17, 2025.
Use the filters below to find and compare flights from Phoenix to Bilbao that are best for you.

Fly from

Phoenix

Fly to

Bilbao

Route

Depart

Return

Price

PhoenixBilbao

PHX - BIO

PHXBIO

Phoenix Sky Harbor Intl

Thu 10/30

7:00 am-4:40 pm

2 stops25h 40m

Bilbao

Thu 11/6

6:45 am-11:44 am

2 stops36h 59m

$602

PhoenixBilbao

PHX - BIO

PHXBIO

Phoenix Sky Harbor Intl

Thu 10/30

10:34 am-11:05 pm

2 stops28h 31m

Bilbao

Thu 11/6

6:45 am-5:56 pm

2 stops19h 11m

$606

PhoenixBilbao

PHX - BIO

PHXBIO

Phoenix Sky Harbor Intl

Sun 11/9

7:00 am-6:05 pm

2 stops27h 05m

Bilbao

Sat 11/15

6:45 am-3:58 pm

2 stops41h 13m

$625

PhoenixBilbao

PHX - BIO

PHXBIO

Phoenix Sky Harbor Intl

Thu 10/30

6:00 am-11:30 am

2 stops21h 30m

Bilbao

Thu 11/6

7:25 am-1:35 pm

1 stop14h 10m

$771

PhoenixBilbao

PHX - BIO

PHXBIO

Phoenix Sky Harbor Intl

Sun 11/9

9:00 am-10:55 pm

3 stops29h 55m

Bilbao

Sat 11/15

12:10 pm-3:02 pm

3 stops34h 52m

$849

PhoenixBilbao

PHX - BIO

PHXBIO

Phoenix Sky Harbor Intl

Thu 10/30

10:55 am-10:30 pm

3 stops27h 35m

Bilbao

Thu 11/6

12:10 pm-12:09 pm

3 stops31h 59m

$998

PhoenixBilbao

PHX - BIO

PHXBIO

Phoenix Sky Harbor Intl

Thu 10/30

3:50 pm-10:25 pm

1 stop22h 35m

Bilbao

Thu 11/6

7:25 am-1:35 pm

1 stop14h 10m

$1,056

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Best time to book a flight from Phoenix to Bilbao

Have a flexible travel schedule? Discover the best time to fly to Bilbao from Phoenix 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 Phoenix to Bilbao

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

Find hourly flight availability from Phoenix 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 September 17, 2025.

One of the essential ways to save on airfare from Phoenix to Bilbao is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 24% on airfare.

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 September 17, 2025.
Get a feel of what it's like to fly with Delta and United Airlines from Phoenix to Bilbao by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,961 reviews

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,961 reviews
Delta
8.0
Very good
7,961 reviews

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,926 reviews
Delta
8.0
Very good
7,961 reviews

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

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

  • What airport do you fly into for flights to Bilbao from Phoenix?

    Bilbao (BIO), located 3.0 mi from the city center, is the airport you fly into when you book flights from Phoenix to Bilbao. 2 airlines have flights to Bilbao from Phoenix on a regular basis. Booking flights from Phoenix to Bilbao should not be difficult; the airport handles an average of 0 inbound flights from Phoenix per day.

  • How long is the flight from Phoenix to Bilbao?

    For as low as $771, Air Canada can have you in Bilbao from Phoenix in 21h 30m. The distance from Phoenix to Bilbao is about 5501 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Cheapflights users have booked flights from Phoenix to Bilbao round-trip from $342. Another airline that can offer you cheap pricing is United Airlines. These flights start at 70% lower than the current average price 3 months from now.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Phoenix 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 Phoenix to Bilbao?

    Currently, January is the cheapest month in which you can book a flight from Phoenix to Bilbao (average of $541). Flying from Phoenix to Bilbao in June is currently the most expensive (average of $1,136). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Phoenix to Bilbao

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Phoenix to Bilbao

Discover the top 2 airlines that operate flights from Phoenix 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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$342Average$1,335FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$683Average$1,020FlexibilityNo cancel feeOn-time69%

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