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$529+ 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 12/2. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — BIO
nov. 29 — dic. 61
sáb. 11/29
sáb. 12/6
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 octubre 30, 2025.

Round-trip from

$529
(Cheapflightsfares)

Popular in

May

Cheapest in

September

Average price

$699
From Phoenix to Bilbao
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Highest demand for flights based on searches. 16% potential increase in price ($231 potential increase over avg. RT price).
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Cheapest flight prices on average. 9% potential price decrease ($100 potential savings vs. average RT price).
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Average for round-trip flights in October 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 octubre 30, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 10/30. 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.
mar. 12/26:18 pmPHX - BIO
2 stops19h 37mLufthansa
lun. 12/86:45 amBIO - PHX
2 stops22h 20mLufthansa
Deal found 10/30$529
This KLM deal was found by Cheapflights users on 10/30. 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.
mar. 12/28:00 amPHX - BIO
2 stops19h 30mMultiple Airlines
lun. 12/87:25 amBIO - PHX
1 stop14h 10mMultiple Airlines
Deal found 10/30$530
This United Airlines deal was found by Cheapflights users on 10/30. 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.
dom. 12/1411:33 amPHX - BIO
2 stops22h 32mUnited Airlines
dom. 12/216:45 amBIO - PHX
2 stops25h 32mUnited Airlines
Deal found 10/30$948
This Expedia deal was found by Cheapflights users on 10/29. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/135:30 pmPHX - BIO
2 stops20h 55mAir France
sáb. 12/206:05 pmBIO - PHX
2 stops30h 37mAir France
Deal found 10/29$1,053
This United Airlines deal was found by Cheapflights users on 10/28. 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.
sáb. 12/136:35 amPHX - BIO
2 stops32h 45mUnited Airlines
sáb. 12/207:25 amBIO - PHX
2 stops38h 34mUnited Airlines
Deal found 10/28$1,144
This Mytrip deal was found by Cheapflights users on 10/29. 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.
sáb. 12/1312:50 pmPHX - BIO
3 stops22h 25mMultiple Airlines
sáb. 12/209:05 pmBIO - PHX
3 stops33h 25mMultiple Airlines
Deal found 10/29$1,211

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 octubre 30, 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

mar. 12/2

6:18 pm-9:55 pm

2 stops19h 37m

Bilbao

lun. 12/8

6:45 am-9:05 pm

2 stops22h 20m

$529

PhoenixBilbao

PHX - BIO

PHXBIO

Phoenix Sky Harbor Intl

mar. 12/2

8:00 am-11:30 am

2 stops19h 30m

Bilbao

lun. 12/8

7:25 am-1:35 pm

1 stop14h 10m

$530

PhoenixBilbao

PHX - BIO

PHXBIO

Phoenix Sky Harbor Intl

vie. 3/27

3:50 pm-5:20 pm

1 stop17h 30m

Bilbao

mar. 3/31

7:10 am-6:59 pm

2 stops20h 49m

$725

PhoenixBilbao

PHX - BIO

PHXBIO

Phoenix Sky Harbor Intl

vie. 3/27

3:50 pm-5:20 pm

1 stop17h 30m

Bilbao

mar. 3/31

11:05 am-12:50 pm

1 stop34h 45m

$780

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

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 octubre 30, 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.

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 octubre 30, 2025.
Get a feel of what it's like to fly with Delta 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
7.9
Good
7,998 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,998 reviews
Delta
7.9
Good
7,998 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

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. 1 airline 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 $529, Lufthansa can have you in Bilbao from Phoenix in 19h 37m. The distance from Phoenix to Bilbao is about 5501 mi.

  • What is the cheapest airline to fly from Phoenix to Bilbao round-trip?

    Cheapflights users have booked flights from Phoenix to Bilbao round-trip from $342. This flight start at 69% 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.

See more FAQs

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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 airline flying from Phoenix to Bilbao

Discover the top airline 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 octubre 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$342Average$1,393FlexibilityNo cancel feeOn-timeN/A

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