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$522+ Cheap flights from Sky Harbor Intl (PHX) 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 12/1. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — BIO
nov. 28 — dic. 51
vie. 11/28
vie. 12/5
1 adult, Economy
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Find 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 octubre 29, 2025.

This Air Canada deal was found by Cheapflights users on 10/27. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/18:00 amPHX - BIO
2 stops20h 50mAir Canada
dom. 12/77:25 amBIO - PHX
2 stops42h 12mAir Canada
Deal found 10/27$522
This KLM deal was found by Cheapflights users on 10/27. 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.
lun. 12/13:50 pmPHX - BIO
1 stop17h 30mKLM
lun. 12/87:25 amBIO - PHX
1 stop14h 10mKLM
Deal found 10/27$525
This Air Canada deal was found by Cheapflights users on 10/27. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/18:00 amPHX - BIO
2 stops20h 50mAir Canada
lun. 12/86:45 amBIO - PHX
2 stops37h 04mAir Canada
Deal found 10/27$526
This Delta deal was found by Cheapflights users on 10/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/13:50 pmPHX - BIO
1 stop17h 30mDelta
jue. 12/116:50 amBIO - PHX
2 stops25h 14mDelta
Deal found 10/27$529
This KLM 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 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 10/29$530
This United Airlines deal was found by Cheapflights users on 10/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/511:33 amPHX - BIO
2 stops27h 47mUnited Airlines
jue. 12/116:45 amBIO - PHX
2 stops22h 31mUnited Airlines
Deal found 10/27$532
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/21:13 pmPHX - BIO
2 stops20h 07mDelta
lun. 12/86:50 amBIO - PHX
2 stops20h 15mDelta
Deal found 10/28$534
This Delta deal was found by Cheapflights users on 10/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/13:50 pmPHX - BIO
1 stop17h 30mDelta
mié. 12/107:25 amBIO - PHX
2 stops20h 55mDelta
Deal found 10/27$535
This Delta deal was found by Cheapflights users on 10/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/211:51 pmPHX - BIO
2 stops27h 39mDelta
mié. 12/107:25 amBIO - PHX
2 stops25h 07mDelta
Deal found 10/27$539
This Air Canada deal was found by Cheapflights users on 10/27. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/212:50 pmPHX - BIO
2 stops19h 50mAir Canada
lun. 12/86:45 amBIO - PHX
2 stops37h 04mAir Canada
Deal found 10/27$544

Cheap 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 octubre 29, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$522
(Air Canada)

Popular in

May

Cheapest in

September

Average price

$699
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
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($231 potential increase over avg. RT price).
Search Deals
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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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 octubre 29, 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

lun. 12/1

8:00 am-12:50 pm

2 stops20h 50m

Bilbao

dom. 12/7

7:25 am-5:37 pm

2 stops42h 12m

$522

PhoenixBilbao

PHX - BIO

PHXBIO

Phoenix Sky Harbor Intl

lun. 12/1

3:50 pm-5:20 pm

1 stop17h 30m

Bilbao

lun. 12/8

7:25 am-1:35 pm

1 stop14h 10m

$525

PhoenixBilbao

PHX - BIO

PHXBIO

Phoenix Sky Harbor Intl

jue. 12/4

3:50 pm-5:20 pm

1 stop17h 30m

Bilbao

lun. 12/8

7:25 am-1:35 pm

1 stop14h 10m

$525

PhoenixBilbao

PHX - BIO

PHXBIO

Phoenix Sky Harbor Intl

lun. 12/1

8:00 am-12:50 pm

2 stops20h 50m

Bilbao

lun. 12/8

6:45 am-11:49 am

2 stops37h 04m

$526

PhoenixBilbao

PHX - BIO

PHXBIO

Phoenix Sky Harbor Intl

jue. 12/4

8:00 am-12:50 pm

2 stops20h 50m

Bilbao

mié. 12/10

12:50 pm-11:49 am

2 stops30h 59m

$526

PhoenixBilbao

PHX - BIO

PHXBIO

Phoenix Sky Harbor Intl

lun. 12/1

3:50 pm-10:25 pm

1 stop22h 35m

Bilbao

mar. 12/9

11:55 am-10:39 pm

2 stops18h 44m

$529

PhoenixBilbao

PHX - BIO

PHXBIO

Phoenix Sky Harbor Intl

jue. 12/4

3:50 pm-5:20 pm

1 stop17h 30m

Bilbao

mar. 12/9

6:50 am-9:23 pm

2 stops22h 33m

$529

PhoenixBilbao

PHX - BIO

PHXBIO

Phoenix Sky Harbor Intl

lun. 12/1

3:50 pm-5:20 pm

1 stop17h 30m

Bilbao

lun. 12/8

6:50 am-5:49 pm

2 stops18h 59m

$529

PhoenixBilbao

PHX - BIO

PHXBIO

Phoenix Sky Harbor Intl

jue. 12/4

3:50 pm-5:20 pm

1 stop17h 30m

Bilbao

jue. 12/11

6:50 am-9:23 pm

2 stops22h 33m

$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

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Showing 1-10 of 11 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 October.
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 octubre 29, 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 octubre 29, 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
7,992 reviews

Boarding

8.2

Overall

7.9

Food

7.3

Comfort

7.9

Crew

8.5

Entertainment

7.9

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
7,992 reviews
Delta
7.9
Good
7,992 reviews

Boarding

8.2

Overall

7.9

Food

7.3

Comfort

7.9

Crew

8.5

Entertainment

7.9

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 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, KLM, and Delta 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 3h 20m. 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 69% 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 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 octubre 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$342Average$1,393FlexibilityNo cancel feeOn-timeN/A

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