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$571+ 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 2/4. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — BIO
Jan 22 — Jan 291
Thu 1/22
Thu 1/29
1 adult, Economy
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Cheap flight deals from Phoenix to Bilbao

Best flights from Phoenix to Bilbao
Discover carefully curated flight deals from Phoenix to Bilbao that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 23, 2025.

This KLM deal was found by Cheapflights users on 12/21. 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 2/43:50 pmPHX - BIO
1 stop22h 35mKLM
Wed 2/117:25 amBIO - PHX
1 stop14h 10mKLM
Deal found 12/21$571
This KLM deal was found by Cheapflights users on 12/21. 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 2/44:07 pmPHX - BIO
2 stops17h 13mMultiple Airlines
Wed 2/117:25 amBIO - PHX
1 stop14h 10mMultiple Airlines
Deal found 12/21$571
This Delta deal was found by Cheapflights users on 12/22. 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 2/56:20 amPHX - BIO
2 stops21h 10mDelta
Thu 2/126:50 amBIO - PHX
2 stops22h 30mDelta
Deal found 12/22$631
This United Airlines deal was found by Cheapflights users on 12/23. 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.
Fri 2/611:35 amPHX - BIO
2 stops27h 45mUnited Airlines
Sat 2/216:45 amBIO - PHX
2 stops24h 18mUnited Airlines
Deal found 12/23$682
This Air Canada deal was found by Cheapflights users on 12/21. 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 2/46:45 amPHX - BIO
3 stops21h 20mAir Canada
Wed 2/1112:50 pmBIO - PHX
2 stops30h 54mAir Canada
Deal found 12/21$786
This United Airlines deal was found by Cheapflights users on 12/21. 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 1/1511:35 amPHX - BIO
2 stops26h 20mUnited Airlines
Mon 1/1912:50 pmBIO - PHX
2 stops39h 40mUnited Airlines
Deal found 12/21$754

Find 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 December 23, 2025.

Round-trip from

$557
(Mytrip)

Popular in

May

Cheapest in

September
From Phoenix to Bilbao
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($168 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($76 potential savings vs. average RT price).
Search Deals

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 December 23, 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

Wed 2/4

3:50 pm-10:25 pm

1 stop22h 35m

Bilbao

Wed 2/11

7:25 am-1:35 pm

1 stop14h 10m

$571

PhoenixBilbao

PHX - BIO

PHXBIO

Phoenix Sky Harbor Intl

Wed 2/4

4:07 pm-5:20 pm

2 stops17h 13m

Bilbao

Wed 2/11

7:25 am-1:35 pm

1 stop14h 10m

$571

PhoenixBilbao

PHX - BIO

PHXBIO

Phoenix Sky Harbor Intl

Thu 2/5

6:20 am-11:30 am

2 stops21h 10m

Bilbao

Thu 2/12

6:50 am-9:20 pm

2 stops22h 30m

$631

PhoenixBilbao

PHX - BIO

PHXBIO

Phoenix Sky Harbor Intl

Fri 2/6

11:35 am-11:20 pm

2 stops27h 45m

Bilbao

Sat 2/21

6:45 am-11:03 pm

2 stops24h 18m

$682

PhoenixBilbao

PHX - BIO

PHXBIO

Phoenix Sky Harbor Intl

Thu 1/15

11:35 am-9:55 pm

2 stops26h 20m

Bilbao

Mon 1/19

12:50 pm-8:30 pm

2 stops39h 40m

$754

PhoenixBilbao

PHX - BIO

PHXBIO

Phoenix Sky Harbor Intl

Wed 2/4

6:45 am-12:05 pm

3 stops21h 20m

Bilbao

Wed 2/11

12:50 pm-11:44 am

2 stops30h 54m

$786

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/21

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 December 23, 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 23% on airfare.

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. 0 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 $571, KLM can have you in Bilbao from Phoenix in 22h 35m. The distance from Phoenix to Bilbao is about 5501 mi.

  • 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.

See more FAQs

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