HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Bilbao

$746+ 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 9/30. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — BIO
Jun 29 — Jul 61
Mon 6/29
Mon 7/6
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Phoenix to Bilbao with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap 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 May 30, 2026.

This Cheapflightsfares deal was found by Cheapflights users on 5/26. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/301:15 pm
PHX
-
BIO
2 stops24h 10m
Lufthansa
Wed 10/76:50 am
BIO
-
PHX
2 stops22h 02m
Lufthansa
Deal found 5/26$746
This Justfly.com deal was found by Cheapflights users on 5/26. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/16:30 pm
PHX
-
BIO
2 stops33h 10m
Air Canada
Sun 12/66:45 am
BIO
-
PHX
2 stops18h 42m
Air Canada
Deal found 5/26$790
This United Airlines deal was found by Cheapflights users on 5/26. 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.
Tue 12/110:00 am
PHX
-
BIO
2 stops18h 50m
United Airlines
Sun 12/66:45 am
BIO
-
PHX
3 stops26h 19m
United Airlines
Deal found 5/26$793
This United Airlines deal was found by Cheapflights users on 5/26. 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.
Wed 9/3010:26 am
PHX
-
BIO
2 stops22h 29m
United Airlines
Wed 10/76:50 am
BIO
-
PHX
3 stops22h 19m
United Airlines
Deal found 5/26$905
This Delta deal was found by Cheapflights users on 5/26. 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.
Tue 7/75:45 am
PHX
-
BIO
2 stops19h 05m
Delta
Tue 7/146:45 am
BIO
-
PHX
2 stops20h 10m
Delta
Deal found 5/26$918
This United Airlines deal was found by Cheapflights users on 5/30. 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.
Tue 7/146:00 am
PHX
-
BIO
1 stop19h 45m
United Airlines
Tue 7/216:50 am
BIO
-
PHX
2 stops37h 13m
United Airlines
Deal found 5/30$921
This United Airlines deal was found by Cheapflights users on 5/26. 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.
Tue 7/79:45 am
PHX
-
BIO
3 stops23h 10m
United Airlines
Tue 7/146:50 am
BIO
-
PHX
2 stops24h 37m
United Airlines
Deal found 5/26$923
This lol.travel deal was found by Cheapflights users on 5/29. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/1312:15 pm
PHX
-
BIO
2 stops26h 00m
Finnair
Mon 7/206:45 am
BIO
-
PHX
2 stops24h 51m
Finnair
Deal found 5/29$949
This KLM deal was found by Cheapflights users on 5/27. 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.
Fri 7/103:25 pm
PHX
-
BIO
1 stop21h 35m
KLM
Fri 7/177:10 am
BIO
-
PHX
1 stop15h 00m
KLM
Deal found 5/27$971

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 May 30, 2026.

Round-trip from

$746
(Cheapflightsfares)

Popular in

May

Cheapest in

October

Average price

$1,299
From Phoenix to Bilbao
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($86 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($44 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
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 May 30, 2026.
Use the filters below to find and compare flights from Phoenix to Bilbao that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PhoenixBilbao

PHX - BIO

PHXBIO

Phoenix Sky Harbor Intl

Wed 9/30

10:26 am-5:55 pm

2 stops22h 29m

Bilbao

Wed 10/7

6:50 am-8:09 pm

3 stops22h 19m

$905

PhoenixBilbao

PHX - BIO

PHXBIO

Phoenix Sky Harbor Intl

Tue 7/7

5:45 am-9:50 am

2 stops19h 05m

Bilbao

Tue 7/14

6:45 am-5:55 pm

2 stops20h 10m

$918

PhoenixBilbao

PHX - BIO

PHXBIO

Phoenix Sky Harbor Intl

Tue 7/14

6:00 am-10:45 am

1 stop19h 45m

Bilbao

Tue 7/21

6:50 am-11:03 am

2 stops37h 13m

$921

PhoenixBilbao

PHX - BIO

PHXBIO

Phoenix Sky Harbor Intl

Tue 6/30

12:15 pm-5:30 pm

2 stops20h 15m

Bilbao

Tue 7/14

6:45 am-8:06 pm

2 stops22h 21m

$1,043

PhoenixBilbao

PHX - BIO

PHXBIO

Phoenix Sky Harbor Intl

Tue 6/30

3:25 pm-9:50 am

1 stop33h 25m

Bilbao

Tue 7/14

6:45 am-4:09 pm

2 stops18h 24m

$1,112

PhoenixBilbao

PHX - BIO

PHXBIO

Phoenix Sky Harbor Intl

Thu 7/2

3:25 pm-9:50 am

1 stop33h 25m

Bilbao

Sun 7/19

6:45 am-4:04 pm

2 stops18h 19m

$1,146
Quickest round-trip

PhoenixBilbao

PHX - BIO

PHXBIO

Phoenix Sky Harbor Intl

Thu 7/2

2:55 pm-5:50 pm

2 stops17h 55m

Bilbao

Sun 7/19

9:15 am-9:02 pm

2 stops20h 47m

$1,159

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/26

Sorted by cheapest first

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

How much does it cost to fly round-trip from Phoenix to Bilbao?

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 May 30, 2026.
Get a feel of what it's like to fly with American Airlines 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.
American Airlines
7.1
Good
11,640 reviews

Food

6.4

Overall

7.1

Crew

7.9

Comfort

7.2

Boarding

7.5

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Apr 2026

DFW - BDL

They keep changing the gate, delaying the hours and then finally canceled it. No accomodation, no food, nothing!
American Airlines
7.1
Good
11,640 reviews
American Airlines
7.1
Good
11,640 reviews

Food

6.4

Overall

7.1

Crew

7.9

Comfort

7.2

Boarding

7.5

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Apr 2026

DFW - BDL

They keep changing the gate, delaying the hours and then finally canceled it. No accomodation, no food, nothing!

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 $918, United Airlines can have you in Bilbao from Phoenix in 19h 05m. The distance from Phoenix to Bilbao is about 5501 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Phoenix to Bilbao

See prices for flight routes from nearby airports that may be better suited for you.
Las Vegas to Bilbao flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.