HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Bilbao

$508+ Cheap flights from Pittsburgh (PIT) 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 9/26. Fares are subject to change and may not be available on all flights or dates of travel.
PIT — BIO
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Pittsburgh 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 Pittsburgh to Bilbao

Discover tips and strategies to find the most affordable flight options for your journey from Pittsburgh (PIT) 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 July 31, 2025.

Round-trip from

$657
(United Airlines)

One-way from

$508
(KLM)

Popular in

June

Cheapest in

October

Average price

$1,366
From Pittsburgh to Bilbao
Search Deals
One-way flight from Pittsburgh to Bilbao
Search Deals
Highest demand for flights based on searches. 28% potential increase in price ($396 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($48 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
Search Deals

Find flight deals from Pittsburgh to Bilbao

Cheapest flights from Pittsburgh to Bilbao
Explore the most affordable flight options available from Pittsburgh to Bilbao. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

This United Airlines deal was found by Cheapflights users on 7/28. 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.
Wed 10/13:25 pmPIT - BIO
2 stops16h 00mUnited Airlines
Tue 10/76:45 amBIO - PIT
2 stops21h 43mUnited Airlines
Deal found 7/28$657
This Lufthansa deal was found by Cheapflights users on 7/29. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/268:00 pmPIT - BIO
2 stops21h 05mLufthansa
Fri 1/26:40 amBIO - PIT
2 stops18h 29mLufthansa
Deal found 7/29$1,077
This Air Canada deal was found by Cheapflights users on 7/29. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/265:55 pmPIT - BIO
3 stops36h 10mAir Canada
Fri 1/26:40 amBIO - PIT
2 stops16h 34mAir Canada
Deal found 7/29$1,624
This Air Canada deal was found by Cheapflights users on 7/29. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/275:55 pmPIT - BIO
3 stops36h 10mMultiple Airlines
Sat 1/312:50 pmBIO - PIT
2 stops34h 24mMultiple Airlines
Deal found 7/29$20,792

Cheapflights Fare Finder

 
Customize your flight search to find flights from Pittsburgh 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 July 31, 2025.
Use the filters below to find and compare flights from Pittsburgh to Bilbao that are best for you.

Fly from

Pittsburgh

Fly to

Bilbao

Route

Depart

Return

Price

PittsburghBilbao

PIT - BIO

PITBIO

Pittsburgh

Wed 10/1

3:25 pm-1:25 pm

2 stops16h 00m

Bilbao

Tue 10/7

6:45 am-10:28 pm

2 stops21h 43m

$657

PittsburghBilbao

PIT - BIO

PITBIO

Pittsburgh

Fri 12/26

8:00 pm-11:05 pm

2 stops21h 05m

Bilbao

Fri 1/2

6:40 am-7:09 pm

2 stops18h 29m

$1,077

PittsburghBilbao

PIT - BIO

PITBIO

Pittsburgh

Fri 12/26

5:55 pm-12:05 pm

3 stops36h 10m

Bilbao

Fri 1/2

6:40 am-5:14 pm

2 stops16h 34m

$1,624

PittsburghBilbao

PIT - BIO

PITBIO

Pittsburgh

Sat 12/27

5:55 pm-12:05 pm

3 stops36h 10m

Bilbao

Sat 1/3

12:50 pm-5:14 pm

2 stops34h 24m

$20,792

PittsburghBilbao

PIT - BIO

PITBIO

Pittsburgh

Fri 9/26

4:21 pm-11:55 am

2 stops13h 34m

$508

PittsburghBilbao

PIT - BIO

PITBIO

Pittsburgh

Fri 9/26

9:40 pm-6:35 pm

1 stop14h 55m

$1,004

PittsburghBilbao

PIT - BIO

PITBIO

Pittsburgh

Wed 9/17

4:25 pm-7:20 pm

3 stops20h 55m

$2,078

PittsburghBilbao

PIT - BIO

PITBIO

Pittsburgh

Wed 9/17

4:15 pm-5:50 pm

2 stops19h 35m

$3,115

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Best time to book a flight from Pittsburgh to Bilbao

Have a flexible travel schedule? Discover the best time to fly to Bilbao from Pittsburgh 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 Pittsburgh to Bilbao

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

Find hourly flight availability from Pittsburgh 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 July 31, 2025.

It’s typically best to fly out from Pittsburgh to Bilbao in the morning. Doing so could potentially save you 30% on the flight price compared to flying at noon, which is usually more expensive.

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 July 31, 2025.
Read reviews from past customers who have flown KLM, United Airlines, and Air Canada from Pittsburgh to Bilbao. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,383 reviews

Comfort

7.7

Overall

7.8

Food

7.3

Entertainment

7.1

Crew

8.4

Boarding

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
KLM
7.8
Good
1,383 reviews
KLM
7.8
Good
1,383 reviews

Comfort

7.7

Overall

7.8

Food

7.3

Entertainment

7.1

Crew

8.4

Boarding

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
United Airlines
7.4
Good
8,900 reviews
KLM
7.8
Good
1,383 reviews

Comfort

7.7

Overall

7.8

Food

7.3

Entertainment

7.1

Crew

8.4

Boarding

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Air Canada
7.1
Good
9,851 reviews
KLM
7.8
Good
1,383 reviews

Comfort

7.7

Overall

7.8

Food

7.3

Entertainment

7.1

Crew

8.4

Boarding

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Lufthansa
6.8
Okay
7,275 reviews
KLM
7.8
Good
1,383 reviews

Comfort

7.7

Overall

7.8

Food

7.3

Entertainment

7.1

Crew

8.4

Boarding

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
British Airways
6.6
Okay
7,222 reviews
KLM
7.8
Good
1,383 reviews

Comfort

7.7

Overall

7.8

Food

7.3

Entertainment

7.1

Crew

8.4

Boarding

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Related info for your journey

Find useful and relevant information for your journey from Pittsburgh to Bilbao. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Pittsburgh to Bilbao round-trip?

    Flying on United Airlines is currently your cheapest option to Bilbao, with prices starting at $657. Additional round-trip tickets that might be worth considering are offered by Lufthansa and Air Canada, with the lowest prices starting at $1,077 and $1,624, respectively. You may be able to fly from Pittsburgh to Bilbao for 35% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Pittsburgh to Bilbao one-way?

    To fly one-way, consider booking your trip with KLM, which is currently one of the cheapest options available, starting at $508. British Airways flights start at $1,004 while deals on Lufthansa start at $3,115 one-way.

  • Can I find deals for flights from Pittsburgh to Bilbao that include hotel bookings?

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

  • How can I find direct flights from Pittsburgh to Bilbao?

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

  • Can I find deals for business class flights from Pittsburgh to Bilbao?

    Yes. Cheapflights offers flight deals from Pittsburgh 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.

  • What is the cheapest month to book a flight from Pittsburgh to Bilbao?

    Currently, January is the cheapest month in which you can book a flight from Pittsburgh to Bilbao (average of $541). Flying from Pittsburgh to Bilbao in June is currently the most expensive (average of $1,135). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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.

Top 2 airlines flying from Pittsburgh to Bilbao

Discover the top 2 airlines that operate flights from Pittsburgh 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 July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$636Average$886FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$661Average$1,097FlexibilityNo cancel feeOn-time69%

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.