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Bilbao

$437+ 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 6/20. Fares are subject to change and may not be available on all flights or dates of travel.
PIT — BIO
feb. 13 — feb. 201
vie. 2/13
vie. 2/20
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 enero 14, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$456
(Iberia)

One-way from

$243
(Travelocity)

Popular in

June

Cheapest in

November
Provider with most accurate pricing for Pittsburgh-Bilbao flight deals.
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Provider most trusted by Cheapflights users for Pittsburgh-Bilbao flights.
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From Pittsburgh to Bilbao
Search Deals
One-way flight from Pittsburgh to Bilbao
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Highest demand for flights based on searches. 26% potential increase in price ($368 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($44 potential savings vs. average RT price).
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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 enero 14, 2026.

This Iberia deal was found by Cheapflights users on 1/13. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 3/49:24 am
PIT
-
BIO
2 stops17h 06m
Iberia
mar. 3/109:15 am
BIO
-
PIT
2 stops16h 19m
Iberia
Deal found 1/13$456
This United Airlines deal was found by Cheapflights users on 1/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 3/110:45 am
PIT
-
BIO
2 stops25h 20m
United Airlines
dom. 3/86:45 am
BIO
-
PIT
2 stops43h 04m
United Airlines
Deal found 1/13$478
This Mytrip deal was found by Cheapflights users on 1/13. 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.
jue. 3/55:55 pm
PIT
-
BIO
2 stops22h 55m
Multiple Airlines
dom. 3/156:45 am
BIO
-
PIT
2 stops39h 29m
Multiple Airlines
Deal found 1/13$481
This United Airlines deal was found by Cheapflights users on 1/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 3/110:26 am
PIT
-
BIO
2 stops25h 39m
United Airlines
sáb. 3/1412:50 pm
BIO
-
PIT
2 stops54h 07m
United Airlines
Deal found 1/13$499
This Air Canada deal was found by Cheapflights users on 1/13. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 3/45:55 pm
PIT
-
BIO
3 stops36h 05m
Multiple Airlines
mar. 3/106:45 am
BIO
-
PIT
2 stops15h 29m
Multiple Airlines
Deal found 1/13$504
This American Airlines deal was found by Cheapflights users on 1/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 2/59:25 am
PIT
-
BIO
2 stops17h 05m
American Airlines
jue. 3/59:15 am
BIO
-
PIT
2 stops20h 03m
American Airlines
Deal found 1/13$506
This Gotogate deal was found by Cheapflights users on 1/13. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 3/295:55 pm
PIT
-
BIO
2 stops35h 15m
Multiple Airlines
vie. 4/108:50 am
BIO
-
PIT
2 stops18h 08m
Multiple Airlines
Deal found 1/13$507
This United Airlines deal was found by Cheapflights users on 1/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 3/56:10 am
PIT
-
BIO
2 stops22h 40m
United Airlines
sáb. 3/1412:50 pm
BIO
-
PIT
2 stops54h 07m
United Airlines
Deal found 1/13$508
This United Airlines deal was found by Cheapflights users on 1/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 3/411:23 am
PIT
-
BIO
2 stops17h 27m
United Airlines
mié. 3/117:25 am
BIO
-
PIT
3 stops18h 40m
United Airlines
Deal found 1/13$511
This United Airlines deal was found by Cheapflights users on 1/11. 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. 2/65:46 pm
PIT
-
BIO
2 stops23h 34m
United Airlines
mar. 2/1011:35 am
BIO
-
PIT
2 stops18h 09m
United Airlines
Deal found 1/11$521
This United Airlines deal was found by Cheapflights users on 1/11. 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.
dom. 8/93:35 pm
PIT
-
BIO
2 stops25h 35m
United Airlines
jue. 8/206:50 am
BIO
-
PIT
2 stops33h 08m
United Airlines
Deal found 1/11$531

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 enero 14, 2026.
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

mar. 3/3

9:24 am-12:50 pm

2 stops21h 26m

Bilbao

mar. 3/10

9:15 am-8:34 pm

2 stops16h 19m

$456

PittsburghBilbao

PIT - BIO

PITBIO

Pittsburgh

mié. 3/4

9:24 am-8:30 am

2 stops17h 06m

Bilbao

mié. 3/11

9:15 am-7:51 pm

2 stops15h 36m

$456

PittsburghBilbao

PIT - BIO

PITBIO

Pittsburgh

dom. 3/1

10:45 am-6:05 pm

2 stops25h 20m

Bilbao

dom. 3/8

6:45 am-7:49 pm

2 stops43h 04m

$478

PittsburghBilbao

PIT - BIO

PITBIO

Pittsburgh

jue. 3/5

5:55 pm-10:50 pm

2 stops22h 55m

Bilbao

dom. 3/15

6:45 am-5:14 pm

2 stops39h 29m

$481

PittsburghBilbao

PIT - BIO

PITBIO

Pittsburgh

dom. 3/1

10:26 am-6:05 pm

2 stops25h 39m

Bilbao

sáb. 3/14

12:50 pm-1:57 pm

2 stops54h 07m

$499

PittsburghBilbao

PIT - BIO

PITBIO

Pittsburgh

jue. 2/5

9:25 am-8:30 am

2 stops17h 05m

Bilbao

jue. 3/5

9:15 am-11:18 pm

2 stops20h 03m

$506

PittsburghBilbao

PIT - BIO

PITBIO

Pittsburgh

jue. 3/5

6:10 am-10:50 am

2 stops22h 40m

Bilbao

sáb. 3/14

12:50 pm-1:57 pm

2 stops54h 07m

$508

PittsburghBilbao

PIT - BIO

PITBIO

Pittsburgh

mié. 3/4

11:23 am-10:50 am

2 stops17h 27m

Bilbao

mié. 3/11

7:25 am-9:05 pm

3 stops18h 40m

$511

PittsburghBilbao

PIT - BIO

PITBIO

Pittsburgh

dom. 3/29

5:55 pm-5:55 pm

3 stops42h 00m

Bilbao

vie. 4/10

7:15 am-5:18 pm

2 stops40h 03m

$518

PittsburghBilbao

PIT - BIO

PITBIO

Pittsburgh

vie. 2/6

5:46 pm-11:20 pm

2 stops23h 34m

Bilbao

mar. 2/10

11:35 am-11:44 pm

2 stops18h 09m

$521

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/13

Showing 1-10 of 13 results
1
2
  • Most accurate provider: When it comes to deals on Pittsburgh-Bilbao flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Pittsburgh-Bilbao flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Pittsburgh-Bilbao flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Pittsburgh-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 Pittsburgh-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 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.

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 enero 14, 2026.
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
9,156 reviews

Entertainment

7.1

Boarding

7.7

Food

6.6

Comfort

7.3

Overall

7.4

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,156 reviews
United Airlines
7.4
Good
9,156 reviews

Entertainment

7.1

Boarding

7.7

Food

6.6

Comfort

7.3

Overall

7.4

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
Lufthansa
6.8
Okay
7,711 reviews
United Airlines
7.4
Good
9,156 reviews

Entertainment

7.1

Boarding

7.7

Food

6.6

Comfort

7.3

Overall

7.4

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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 21h 26m. Fly via Iberia or United Airlines 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 $599 round trip. You may be able to fly from Pittsburgh to Bilbao for 41% 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.

See more FAQs

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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 enero 14, 2026.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$597Average$886FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$599Average$1,265FlexibilityNo cancel feeOn-time69%

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