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Bilbao

$255+ 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 5/9. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — BIO
Feb 27 — Mar 61
Fri 2/27
Fri 3/6
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 January 28, 2026.

This United Airlines deal was found by Cheapflights users on 1/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/110:30 am
PHX
-
BIO
2 stops27h 55m
United Airlines
Fri 10/96:50 am
BIO
-
PHX
2 stops26h 14m
United Airlines
Deal found 1/26$573
This Cheapflightsfares deal was found by Cheapflights users on 1/27. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/2610:45 am
PHX
-
BIO
2 stops21h 55m
Lufthansa
Thu 3/56:45 am
BIO
-
PHX
2 stops20h 28m
Lufthansa
Deal found 1/27$615
This American Airlines deal was found by Cheapflights users on 1/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/28:30 am
PHX
-
BIO
2 stops19h 15m
American Airlines
Fri 10/91:30 pm
BIO
-
PHX
2 stops19h 11m
American Airlines
Deal found 1/27$622
This Cheapflightsfares deal was found by Cheapflights users on 1/28. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/181:23 pm
PHX
-
BIO
2 stops25h 02m
Lufthansa
Wed 5/66:50 am
BIO
-
PHX
2 stops21h 49m
Lufthansa
Deal found 1/28$632
This Gotogate deal was found by Cheapflights users on 1/26. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/227:00 am
PHX
-
BIO
2 stops25h 10m
Multiple Airlines
Tue 3/3111:55 am
BIO
-
PHX
2 stops21h 04m
Multiple Airlines
Deal found 1/26$638
This Gurufare deal was found by Cheapflights users on 1/27. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/133:20 pm
PHX
-
BIO
2 stops24h 00m
Lufthansa
Fri 3/2011:35 am
BIO
-
PHX
2 stops41h 15m
Lufthansa
Deal found 1/27$667
This Delta deal was found by Cheapflights users on 1/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/223:50 pm
PHX
-
BIO
1 stop35h 40m
Delta
Tue 3/317:10 am
BIO
-
PHX
1 stop15h 00m
Delta
Deal found 1/26$689
This United Airlines deal was found by Cheapflights users on 1/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/28:30 am
PHX
-
BIO
2 stops17h 45m
United Airlines
Fri 10/96:50 am
BIO
-
PHX
3 stops41h 04m
United Airlines
Deal found 1/26$697
This KLM deal was found by Cheapflights users on 1/27. 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.
Thu 2/2610:38 am
PHX
-
BIO
2 stops16h 42m
KLM
Thu 3/512:15 pm
BIO
-
PHX
1 stop33h 20m
KLM
Deal found 1/27$703
This United Airlines deal was found by Cheapflights users on 1/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/138:38 am
PHX
-
BIO
2 stops19h 22m
United Airlines
Tue 2/176:45 am
BIO
-
PHX
2 stops21h 19m
United Airlines
Deal found 1/25$747

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 January 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$615
(Cheapflightsfares)

One-way from

$255
(United Airlines)

Popular in

May

Cheapest in

October
Provider with most accurate pricing for Phoenix Sky Harbor Intl-Bilbao flight deals.
Search Deals
Provider most trusted by Cheapflights users for Phoenix Sky Harbor Intl-Bilbao flights.
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From Phoenix Sky Harbor Intl to Bilbao
Search Deals
One-way flight from Phoenix Sky Harbor Intl to Bilbao
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($196 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 9% potential price decrease ($87 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 January 28, 2026.
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

Thu 2/26

10:45 am-4:40 pm

2 stops21h 55m

Bilbao

Thu 3/5

6:45 am-7:13 pm

2 stops20h 28m

$615

PhoenixBilbao

PHX - BIO

PHXBIO

Phoenix Sky Harbor Intl

Sat 4/18

1:23 pm-11:25 pm

2 stops25h 02m

Bilbao

Wed 5/6

6:50 am-7:39 pm

2 stops21h 49m

$632

PhoenixBilbao

PHX - BIO

PHXBIO

Phoenix Sky Harbor Intl

Fri 3/13

3:20 pm-11:20 pm

2 stops24h 00m

Bilbao

Fri 3/20

11:35 am-8:50 pm

2 stops41h 15m

$667

PhoenixBilbao

PHX - BIO

PHXBIO

Phoenix Sky Harbor Intl

Sun 3/22

3:50 pm-10:25 pm

1 stop22h 35m

Bilbao

Tue 3/31

6:45 am-4:40 pm

2 stops18h 55m

$687

PhoenixBilbao

PHX - BIO

PHXBIO

Phoenix Sky Harbor Intl

Thu 2/26

10:38 am-11:20 am

2 stops16h 42m

Bilbao

Thu 3/5

12:15 pm-1:35 pm

1 stop33h 20m

$703

PhoenixBilbao

PHX - BIO

PHXBIO

Phoenix Sky Harbor Intl

Fri 2/13

8:38 am-12:00 pm

2 stops19h 22m

Bilbao

Tue 2/17

6:45 am-8:04 pm

2 stops21h 19m

$747

PhoenixBilbao

PHX - BIO

PHXBIO

Phoenix Sky Harbor Intl

Thu 3/12

7:33 pm-9:55 pm

2 stops18h 22m

Bilbao

Thu 3/19

12:50 pm-12:58 am

2 stops20h 08m

$784

PhoenixBilbao

PHX - BIO

PHXBIO

Phoenix Sky Harbor Intl

Sat 3/14

7:33 pm-11:20 pm

2 stops19h 47m

Bilbao

Sat 3/21

12:50 pm-2:09 pm

2 stops57h 19m

$894

PhoenixBilbao

PHX - BIO

PHXBIO

Phoenix Sky Harbor Intl

Sat 5/9

7:05 pm-11:25 pm

2 stops43h 20m

$255

PhoenixBilbao

PHX - BIO

PHXBIO

Phoenix Sky Harbor Intl

Sun 2/15

5:20 am-4:35 pm

3 stops27h 15m

$491

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

Showing 1-10 of 14 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 January.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Phoenix Sky Harbor Intl Airport-Bilbao flight deals on Cheapflights vs. FlightHub >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 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 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.

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 January 28, 2026.
See what other customers who have flown with Delta, United Airlines, and American Airlines 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
8,123 reviews

Boarding

8.1

Comfort

7.9

Entertainment

7.8

Crew

8.5

Overall

7.9

Food

7.2

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
8,123 reviews
Delta
7.9
Good
8,123 reviews

Boarding

8.1

Comfort

7.9

Entertainment

7.8

Crew

8.5

Overall

7.9

Food

7.2

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.
United Airlines
7.4
Good
9,212 reviews
Delta
7.9
Good
8,123 reviews

Boarding

8.1

Comfort

7.9

Entertainment

7.8

Crew

8.5

Overall

7.9

Food

7.2

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.
American Airlines
7.2
Good
11,201 reviews
Delta
7.9
Good
8,123 reviews

Boarding

8.1

Comfort

7.9

Entertainment

7.8

Crew

8.5

Overall

7.9

Food

7.2

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 3 different airlines.

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

    Airlines like Lufthansa and KLM fly from Phoenix Sky Harbor Intl Airport to Bilbao in about 16h 42m. The time it takes to get you to your destination can typically vary by up to 5h 13m. 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 are the cheapest airlines flying 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.Alternate airlines to your destination round-trip include American Airlines and United Airlines. Delta is 64% 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.

See more FAQs

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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 3 airlines flying from Sky Harbor Intl to Bilbao

Discover the top 3 airlines 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 January 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$342Average$1,290FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$552Average$683FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$584Average$847FlexibilityNo cancel feeOn-time69%

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