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Cheap flights from Pittsburgh to Bilbao from $508

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Pittsburgh to Bilbao departing on 9/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Pittsburgh to Bilbao

Cheap round-trip flights

Multiple Airlines Logo
3:25 pm - 6:45 pmPIT-BIO
21h 20m2 stops
Multiple Airlines Logo
7:10 pm - 11:40 pmBIO-PIT
34h 30m2 stops
$575Multiple Airlines
Find Deal
Mon, Oct 6 - Mon, Oct 13
United Airlines Logo
11:55 am - 6:05 pmPIT-BIO
24h 10m2 stops
United Airlines Logo
6:45 am - 5:14 pmBIO-PIT
16h 29m2 stops
$602United Airlines
Find Deal
Wed, Nov 12 - Sun, Nov 16
United Airlines Logo
7:55 pm - 12:00 pmPIT-BIO
34h 05m2 stops
United Airlines Logo
12:50 pm - 11:28 pmBIO-PIT
16h 38m2 stops
$696United Airlines
Find Deal
Sat, Jan 3 - Sat, Jan 17
Multiple Airlines Logo
5:55 pm - 12:00 pmPIT-BIO
36h 05m3 stops
Multiple Airlines Logo
6:45 am - 5:14 pmBIO-PIT
16h 29m2 stops
$949Multiple Airlines
Find Deal
Wed, Nov 12 - Sun, Nov 16
Multiple Airlines Logo
5:55 pm - 12:00 pmPIT-BIO
36h 05m3 stops
Multiple Airlines Logo
6:45 am - 5:14 pmBIO-PIT
16h 29m2 stops
$2,496Multiple Airlines
Find Deal
Wed, Nov 12 - Sun, Nov 16

United Airlines flights from Pittsburgh to Bilbao

Our best United Airlines deals on Pittsburgh to Bilbao flight tickets
United Airlines
Nov 12
PIT11:55 amPittsburgh
24h 10m
2 stops
BIO6:05 pmBilbao
Nov 16
BIO6:45 amBilbao
16h 29m
2 stops
PIT5:14 pmPittsburgh
$602
Find similar
United Airlines
Jan 3
PIT7:55 pmPittsburgh
34h 05m
2 stops
BIO12:00 pmBilbao
Jan 17
BIO12:50 pmBilbao
16h 38m
2 stops
PIT11:28 pmPittsburgh
$696
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated September 17, 2025.
Use the filters below to find and compare flights from Pittsburgh to Bilbao that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PittsburghBilbao

PIT - BIO

PITBIO

Pittsburgh

Mon 10/6

3:25 pm-6:45 pm

2 stops21h 20m

Bilbao

Mon 10/13

7:10 pm-11:40 pm

2 stops34h 30m

$575

PittsburghBilbao

PIT - BIO

PITBIO

Pittsburgh

Wed 11/12

11:55 am-6:05 pm

2 stops24h 10m

Bilbao

Sun 11/16

6:45 am-5:14 pm

2 stops16h 29m

$602

PittsburghBilbao

PIT - BIO

PITBIO

Pittsburgh

Sat 1/3

7:55 pm-12:00 pm

2 stops34h 05m

Bilbao

Sat 1/17

12:50 pm-11:28 pm

2 stops16h 38m

$696

PittsburghBilbao

PIT - BIO

PITBIO

Pittsburgh

Wed 11/12

5:55 pm-12:00 pm

3 stops36h 05m

Bilbao

Sun 11/16

6:45 am-5:14 pm

2 stops16h 29m

$949

PittsburghBilbao

PIT - BIO

PITBIO

Pittsburgh

Wed 11/12

5:55 pm-12:00 pm

3 stops36h 05m

Bilbao

Sun 11/16

6:45 am-5:14 pm

2 stops16h 29m

$2,496

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

$1,406

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Bilbao from

How to get the cheapest flight ticket from Pittsburgh to Bilbao

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Bilbao?

The cheapest day to depart from Pittsburgh to Bilbao is on a Friday. Travelers who choose to depart for Bilbao on a Friday will often find tickets for as low as $982. If your travel schedule is flexible, try to avoid departing on a Wednesday because tickets tend to average around $1,406. These prices are subject to change though, so be sure to set up a Price Alert for flights to Bilbao.

What is the cheapest time of day to depart on your flight to Bilbao?

Our most recent data shows that the best time of day to fly to Bilbao is at noon. Flights from Pittsburgh to Bilbao during this time can be as low as $975. In the afternoon is when there is more demand to fly to Bilbao, so prices are often more expensive at around $1,379 per ticket.

When to book flights from Pittsburgh to Bilbao

Are you open to changing your travel dates? Check out the ideal times to fly from Pittsburgh to Bilbao according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Pittsburgh to Bilbao (PIT to BIO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Pittsburgh to Bilbao

Direct flights

None
There are no direct flights from Pittsburgh to Bilbao. There are no popular flight routes from Pittsburgh to Bilbao.
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  • How far is Pittsburgh to Bilbao by plane?

    A flight from Pittsburgh to Bilbao will travel around 3821.3 mi. A reasonable flight in good conditions will take 21h 20m.

  • When did momondo last update prices for flights from Pittsburgh Airport to Bilbao Airport?

    Prices for flights from Pittsburgh Airport to Bilbao Airport were last updated today.

  • How many operators does momondo search for flights from Pittsburgh Airport to Bilbao Airport?

  • How old do you have to be to fly from Pittsburgh Airport to Bilbao Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Pittsburgh Airport to Bilbao Airport.

  • What documentation or ID do you need to fly to Bilbao Airport?

    The travel and health documents required for your trip to Bilbao Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Bilbao Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Pittsburgh to Bilbao?

Best airlines flying from Pittsburgh to Bilbao

Compare and see reviews for airlines that fly from Pittsburgh to Bilbao with momondo
Airline
Rating
Free Cancellation
Price
LufthansaPriceFrom $597Free CancellationRating
6.8
7,409 reviews
Search Lufthansa flights
United AirlinesPriceFrom $661Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights

Traveling to a place near Bilbao?

Book flights to Bilbao if you plan to visit one of these locations
Getxo
Laredo
Lekeitio

Why use momondo?

Why should I use momondo to find a flight deal from Pittsburgh to Bilbao?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Bilbao from Pittsburgh.

Can I find flights from Pittsburgh to Bilbao with flexible booking policies on momondo?

Yes. All flights to Bilbao from Pittsburgh on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Pittsburgh to Bilbao?

momondo helps you find the best flight between Pittsburgh and Bilbao by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Pittsburgh to Bilbao right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Bilbao from Pittsburgh. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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