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Bilbao

$426+ Cheap flights from Sky Harbor Intl (PHX) 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 2/13. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — BIO
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap flight deals from Sky Harbor Intl to Bilbao

Cheapest flights from Sky Harbor Intl to Bilbao
Explore the most affordable flight options available from Sky Harbor Intl to Bilbao. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

This Trip.com deal was found by Cheapflights users on 12/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/158:52 amPHX - BIO
2 stops23h 58mMultiple Airlines
Thu 1/157:10 amBIO - PHX
2 stops21h 20mMultiple Airlines
Deal found 12/11$1,014
This Expedia deal was found by Cheapflights users on 12/11. 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.
Mon 12/158:45 amPHX - BIO
2 stops18h 05mMultiple Airlines
Mon 1/55:00 pmBIO - PHX
2 stops35h 37mMultiple Airlines
Deal found 12/11$2,014
This United Airlines deal was found by Cheapflights users on 12/11. 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.
Mon 12/158:30 amPHX - BIO
3 stops24h 10mUnited Airlines
Mon 1/512:50 pmBIO - PHX
2 stops37h 59mUnited Airlines
Deal found 12/11$2,193

Find flight deals from Sky Harbor Intl to Bilbao

Discover tips and strategies to find the most affordable flight options for your journey from Sky Harbor Intl (PHX) 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 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$787
(United Airlines)

One-way from

$426
(Kiwi.com)

Popular in

May

Cheapest in

September
Provider with most accurate pricing for Phoenix Sky Harbor Intl-Bilbao flight deals.
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Provider most trusted by Cheapflights users for Phoenix Sky Harbor Intl-Bilbao flights.
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From Phoenix Sky Harbor Intl to Bilbao
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One-way flight from Phoenix Sky Harbor Intl to Bilbao
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Highest demand for flights based on searches. 13% potential increase in price ($168 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($77 potential savings vs. average RT price).
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Sky Harbor Intl 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 12, 2025.
Use the filters below to find and compare flights from Phoenix Sky Harbor Intl Airport to Bilbao that are best for you.

Fly from

Sky Harbor Intl

Fly to

Bilbao

Route

Depart

Return

Price

PhoenixBilbao

PHX - BIO

PHXBIO

Phoenix Sky Harbor Intl

Sun 1/25

8:00 am-4:10 pm

2 stops24h 10m

Bilbao

Sun 2/1

6:45 am-11:44 am

2 stops36h 59m

$801

PhoenixBilbao

PHX - BIO

PHXBIO

Phoenix Sky Harbor Intl

Sun 1/25

3:50 pm-5:20 pm

1 stop17h 30m

Bilbao

Sun 2/1

7:25 am-1:35 pm

1 stop14h 10m

$815

PhoenixBilbao

PHX - BIO

PHXBIO

Phoenix Sky Harbor Intl

Fri 1/23

3:50 pm-5:20 pm

1 stop17h 30m

Bilbao

Fri 1/30

7:25 am-1:35 pm

1 stop14h 10m

$815

PhoenixBilbao

PHX - BIO

PHXBIO

Phoenix Sky Harbor Intl

Sun 1/25

10:46 am-11:30 am

2 stops16h 44m

Bilbao

Sun 2/1

7:25 am-1:35 pm

1 stop14h 10m

$817

PhoenixBilbao

PHX - BIO

PHXBIO

Phoenix Sky Harbor Intl

Fri 1/23

1:30 pm-5:20 pm

2 stops19h 50m

Bilbao

Fri 1/30

7:25 am-1:35 pm

1 stop14h 10m

$820

PhoenixBilbao

PHX - BIO

PHXBIO

Phoenix Sky Harbor Intl

Fri 1/23

1:57 pm-11:20 pm

2 stops25h 23m

Bilbao

Fri 1/30

6:45 am-10:59 pm

2 stops24h 14m

$825

PhoenixBilbao

PHX - BIO

PHXBIO

Phoenix Sky Harbor Intl

Sat 1/24

12:45 pm-4:40 pm

2 stops43h 55m

Bilbao

Sat 1/31

11:35 am-5:25 pm

2 stops61h 50m

$841

PhoenixBilbao

PHX - BIO

PHXBIO

Phoenix Sky Harbor Intl

Fri 2/6

9:00 am-11:20 pm

2 stops30h 20m

Bilbao

Sat 2/21

6:45 am-11:03 pm

2 stops24h 18m

$875

PhoenixBilbao

PHX - BIO

PHXBIO

Phoenix Sky Harbor Intl

Thu 1/29

8:00 am-12:50 pm

2 stops20h 50m

Bilbao

Mon 2/2

11:35 am-5:25 pm

2 stops61h 50m

$877

PhoenixBilbao

PHX - BIO

PHXBIO

Phoenix Sky Harbor Intl

Fri 2/13

10:39 pm-4:35 pm

3 stops57h 56m

$426

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Showing 1-10 of 12 results
1
2

Compare providers for flights from Sky Harbor Intl 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 Sky Harbor Intl to Bilbao in December.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 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 Phoenix Sky Harbor Intl Airport-Bilbao flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Phoenix Sky Harbor Intl Airport-Bilbao flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Phoenix Sky Harbor Intl Airport-Bilbao flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Phoenix Sky Harbor Intl Airport-Bilbao flights, Cheapflights users trust eDreams the most. eDreams 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 Phoenix Sky Harbor Intl Airport-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 Sky Harbor Intl to Bilbao

Have a flexible travel schedule? Discover the best time to fly to Bilbao from Sky Harbor Intl 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 Sky Harbor Intl Airport to Bilbao

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

Find hourly flight availability from Sky Harbor Intl 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 12, 2025.

One of the essential ways to save on airfare from Phoenix Sky Harbor Intl Airport 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 December 12, 2025.
See what other customers who have flown with Delta from Phoenix Sky Harbor Intl Airport to Bilbao have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,007 reviews

Comfort

7.9

Crew

8.5

Overall

7.9

Entertainment

7.9

Food

7.3

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,007 reviews
Delta
7.9
Good
8,007 reviews

Comfort

7.9

Crew

8.5

Overall

7.9

Entertainment

7.9

Food

7.3

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Sky Harbor Intl 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 Sky Harbor Intl?

    Located just 3.0 mi from the city center, Bilbao is the airport most travelers will use when flying to Bilbao from Phoenix Sky Harbor Intl. Booking flights from Phoenix Sky Harbor Intl to Bilbao (BIO) should be relatively easy as there are 0 daily inbound flights from Phoenix Sky Harbor Intl from 1 airline.

  • How long is the flight from Phoenix Sky Harbor Intl Airport to Bilbao?

    Airlines like Air Canada, Delta, and Air France fly from Phoenix Sky Harbor Intl Airport to Bilbao in about 17h 30m. The time it takes to get you to your destination can typically vary by up to 6h 40m. The distance between Phoenix Sky Harbor Intl Airport and Bilbao is about 5501 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What is the cheapest airline to fly from Phoenix Sky Harbor Intl Airport to Bilbao round-trip?

    Delta, at $342, was found to be the cheapest airline from Phoenix Sky Harbor Intl Airport to Bilbao.. Delta is 67% cheaper than the average price of flights available within the next 90 days to this destination.

  • Can I find deals for flights from Sky Harbor Intl to Bilbao that include hotel bookings?

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

  • How can I find direct flights from Sky Harbor Intl to Bilbao?

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

  • Can I find deals for business class flights from Sky Harbor Intl to Bilbao?

    Yes. Cheapflights offers flight deals from Sky Harbor Intl 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.

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Alternative routes for Sky Harbor Intl to Bilbao

See prices for flight routes from nearby airports that may be better suited for you.
Sky Harbor Intl to San Sebastian flights

Top airline flying from Sky Harbor Intl to Bilbao

Discover the top airline that operate flights from Sky Harbor Intl 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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$342Average$1,393FlexibilityNo cancel feeOn-timeN/A

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