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$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
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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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 September 15, 2025.

Round-trip from

$600
(Expedia)

One-way from

$508
(American Airlines)

Popular in

June

Cheapest in

November

Average price

$766
From Pittsburgh to Bilbao
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One-way flight from Pittsburgh to Bilbao
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Highest demand for flights based on searches. 29% potential increase in price ($406 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($48 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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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 September 15, 2025.

This Expedia deal was found by Cheapflights users on 9/13. 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.
Wed 11/122:11 pmPIT - BIO
2 stops24h 59mMultiple Airlines
Sun 11/166:45 amBIO - PIT
2 stops40h 29mMultiple Airlines
Deal found 9/13$600
This United Airlines deal was found by Cheapflights users on 9/15. 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 11/1211:55 amPIT - BIO
2 stops24h 10mUnited Airlines
Sun 11/166:45 amBIO - PIT
2 stops16h 29mUnited Airlines
Deal found 9/15$602
This Mytrip deal was found by Cheapflights users on 9/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/207:10 amPIT - BIO
2 stops33h 30mMultiple Airlines
Wed 9/242:45 pmBIO - PIT
3 stops30h 00mMultiple Airlines
Deal found 9/13$1,024
This lol.travel deal was found by Cheapflights users on 9/13. 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.
Sat 9/2011:58 amPIT - BIO
1 stop16h 47mUnited Airlines
Wed 9/2412:30 pmBIO - PIT
1 stop14h 37mUnited Airlines
Deal found 9/13$1,640
This Brussels Airlines deal was found by Cheapflights users on 9/13. 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 Brussels Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/202:57 pmPIT - BIO
3 stops43h 08mBrussels Airlines
Wed 9/244:55 pmBIO - PIT
3 stops31h 53mBrussels Airlines
Deal found 9/13$2,452

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 September 15, 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 11/12

2:11 pm-9:10 pm

2 stops24h 59m

Bilbao

Sun 11/16

6:45 am-5:14 pm

2 stops40h 29m

$600

PittsburghBilbao

PIT - BIO

PITBIO

Pittsburgh

Wed 11/12

1:13 pm-10:50 am

2 stops15h 37m

Bilbao

Sun 11/16

6:45 am-5:14 pm

2 stops40h 29m

$602

PittsburghBilbao

PIT - BIO

PITBIO

Pittsburgh

Fri 3/6

5:31 pm-4:55 pm

2 stops17h 24m

Bilbao

Fri 3/13

6:45 am-5:10 pm

2 stops15h 25m

$604

PittsburghBilbao

PIT - BIO

PITBIO

Pittsburgh

Fri 3/6

10:50 am-12:00 pm

3 stops19h 10m

Bilbao

Fri 3/13

6:45 am-5:14 pm

2 stops15h 29m

$904

PittsburghBilbao

PIT - BIO

PITBIO

Pittsburgh

Fri 3/6

10:50 am-12:00 pm

3 stops19h 10m

Bilbao

Fri 3/13

6:45 am-11:31 pm

3 stops21h 46m

$1,077

PittsburghBilbao

PIT - BIO

PITBIO

Pittsburgh

Fri 9/26

12:54 pm-8:30 am

2 stops13h 36m

$508

PittsburghBilbao

PIT - BIO

PITBIO

Pittsburgh

Fri 9/26

2:07 pm-5:50 pm

3 stops21h 43m

$1,187

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

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 September 15, 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 September 15, 2025.
Read reviews from past customers who have flown United Airlines and Lufthansa 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.
United Airlines
7.4
Good
8,929 reviews

Crew

8.1

Comfort

7.3

Boarding

7.7

Overall

7.4

Food

6.6

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,929 reviews
United Airlines
7.4
Good
8,929 reviews

Crew

8.1

Comfort

7.3

Boarding

7.7

Overall

7.4

Food

6.6

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Lufthansa
6.8
Okay
7,407 reviews
United Airlines
7.4
Good
8,929 reviews

Crew

8.1

Comfort

7.3

Boarding

7.7

Overall

7.4

Food

6.6

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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.

  • How long is the flight from Pittsburgh to Bilbao?

    There are many flights that can get you from Pittsburgh to Bilbao in 15h 37m. Fly via United Airlines or Iberia to get the fastest option. Airlines will cover a distance of 3830 mi. This flight may include one or multiple stops.

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

    Flying on Lufthansa is currently your cheapest option to Bilbao, with prices starting at $597. Another option worth looking into is United Airlines, starting at $661 round trip. You may be able to fly from Pittsburgh to Bilbao for 39% less than the average price by searching for these airlines.

  • 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 $1,136). 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

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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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$597Average$886FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$661Average$1,097FlexibilityNo cancel feeOn-time69%

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