HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Bilbao

$253+ Cheap flights from Pennsylvania 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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — BIO
May 6 — May 131
Tue 5/6
Tue 5/13
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Pennsylvania 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 Pennsylvania to Bilbao

Keep the following information in mind while searching for Pennsylvania to Bilbao flight deals. Data was last updated May 1, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$617
(Mytrip)

One-way from

$307
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$962
Provider with most accurate pricing for Philadelphia-Bilbao flight deals.
Search Deals
Provider most trusted by Cheapflights users for Philadelphia-Bilbao flights.
Search Deals
From Pennsylvania to Bilbao
Search Deals
One-way flight from Pennsylvania to Bilbao
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($238 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($41 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2025
Search Deals

Find flight deals from Pennsylvania to Bilbao

Cheapest flights from Pennsylvania to Bilbao
Explore the most affordable flight options available from Pennsylvania to Bilbao. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.

This FlightHub deal was found by Cheapflights users on 4/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/206:50 pmEWR - BIO
2 stops43h 05mScandinavian Airlines
Fri 8/298:40 pmBIO - EWR
2 stops46h 35mScandinavian Airlines
Deal found 4/30$485
This CheapOair deal was found by Cheapflights users on 4/30. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/811:00 pmEWR - BIO
1 stop14h 05mMultiple Airlines
Mon 10/139:30 amBIO - EWR
1 stop17h 30mMultiple Airlines
Deal found 4/30$561
This Booking.com deal was found by Cheapflights users on 4/30. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1510:50 pmEWR - BIO
1 stop30h 40mTAP AIR PORTUGAL
Mon 10/2012:25 pmBIO - EWR
2 stops38h 40mTAP AIR PORTUGAL
Deal found 4/30$640
This Kiwi.com deal was found by Cheapflights users on 4/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/1311:55 pmJFK - BIO
2 stops26h 20mMultiple Airlines
Tue 6/179:30 amBIO - JFK
1 stop18h 45mMultiple Airlines
Deal found 4/29$649
This American Airlines deal was found by Cheapflights users on 4/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/181:35 pmPHL - BIO
2 stops12h 55mAmerican Airlines
Tue 9/309:15 amBIO - PHL
2 stops17h 05mAmerican Airlines
Deal found 4/29$653
This American Airlines deal was found by Cheapflights users on 4/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/181:00 pmLGA - BIO
2 stops13h 30mAmerican Airlines
Tue 9/309:15 amBIO - LGA
2 stops16h 46mAmerican Airlines
Deal found 4/29$653
This American Airlines deal was found by Cheapflights users on 4/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/812:00 pmJFK - BIO
2 stops14h 30mAmerican Airlines
Mon 10/131:30 pmBIO - JFK
1 stop11h 25mAmerican Airlines
Deal found 4/30$653
This Delta deal was found by Cheapflights users on 4/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/1412:12 pmIAD - BIO
2 stops17h 03mDelta
Tue 7/2211:55 amBIO - IAD
1 stop13h 20mDelta
Deal found 4/30$655
This Gurufare deal was found by Cheapflights users on 4/30. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/1710:05 pmJFK - BIO
1 stop11h 50mAir Europa
Sat 5/248:20 amBIO - JFK
1 stop15h 25mAir Europa
Deal found 4/30$656
This United Airlines deal was found by Cheapflights users on 4/28. 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.
Tue 7/295:25 pmIAD - BIO
1 stop11h 20mUnited Airlines
Thu 8/146:45 amBIO - IAD
1 stop15h 05mUnited Airlines
Deal found 4/28$656
This Austrian Airlines deal was found by Cheapflights users on 4/29. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/55:25 pmIAD - BIO
2 stops19h 00mAustrian Airlines
Sat 10/112:10 pmBIO - IAD
2 stops30h 25mAustrian Airlines
Deal found 4/29$658
This deal was found by Cheapflights users on 4/29. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/105:45 pmIAD - BIO
1 stop11h 55mTAP AIR PORTUGAL
Wed 8/2012:25 pmBIO - IAD
1 stop14h 25mTAP AIR PORTUGAL
Deal found 4/29$662

Cheapflights Fare Finder

Customize your flight search to find flights from Pennsylvania 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 1, 2025.
Use the filters below to find and compare flights from Pennsylvania to Bilbao that are best for you.

Fly from

Pennsylvania

Fly to

Bilbao

Route

Depart

Return

Price

NewarkBilbao

EWR - BIO

EWRBIO

Newark

Tue 6/3

11:00 pm-6:50 pm

1 stop13h 50m

Bilbao

Sun 6/8

9:00 am-10:30 pm

1 stop19h 30m

$617

New YorkBilbao

JFK - BIO

JFKBIO

New York John F Kennedy Intl

Fri 6/13

11:55 pm-8:15 am

2 stops26h 20m

Bilbao

Tue 6/17

9:30 am-10:15 pm

1 stop18h 45m

$649

PhiladelphiaBilbao

PHL - BIO

PHLBIO

Philadelphia

Thu 9/18

1:35 pm-8:30 am

2 stops12h 55m

Bilbao

Tue 9/30

9:15 am-8:20 pm

2 stops17h 05m

$653

New YorkBilbao

LGA - BIO

LGABIO

New York LaGuardia

Thu 9/18

1:00 pm-8:30 am

2 stops13h 30m

Bilbao

Tue 9/30

9:15 am-8:01 pm

2 stops16h 46m

$653

New YorkBilbao

JFK - BIO

JFKBIO

New York John F Kennedy Intl

Wed 10/8

12:00 pm-8:30 am

2 stops14h 30m

Bilbao

Mon 10/13

1:30 pm-6:55 pm

1 stop11h 25m

$653

Washington, D.C.Bilbao

IAD - BIO

IADBIO

Washington, D.C. Dulles Intl

Mon 7/14

12:12 pm-11:15 am

2 stops17h 03m

Bilbao

Tue 7/22

11:55 am-7:15 pm

1 stop13h 20m

$655

New YorkBilbao

JFK - BIO

JFKBIO

New York John F Kennedy Intl

Sat 5/17

10:05 pm-3:55 pm

1 stop11h 50m

Bilbao

Sat 5/24

8:20 am-5:45 pm

1 stop15h 25m

$656

Washington, D.C.Bilbao

IAD - BIO

IADBIO

Washington, D.C. Dulles Intl

Sun 10/5

5:25 pm-6:25 pm

2 stops19h 00m

Bilbao

Sat 10/11

2:10 pm-2:35 pm

2 stops30h 25m

$658

NewarkBilbao

EWR - BIO

EWRBIO

Newark

Tue 7/15

10:50 pm-11:30 am

1 stop30h 40m

Bilbao

Tue 9/9

6:50 pm-9:00 pm

1 stop32h 10m

$663

New YorkBilbao

JFK - BIO

JFKBIO

New York John F Kennedy Intl

Wed 8/6

11:40 pm-5:35 pm

1 stop11h 55m

Bilbao

Wed 8/20

2:25 pm-9:40 pm

1 stop13h 15m

$663

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from Pennsylvania to Bilbao

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

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

Currently, January is the cheapest month in which you can book a flight from Pennsylvania to Bilbao (average of $541). Flying from Pennsylvania to Bilbao in June is currently the most expensive (average of $1,178). 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.

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

Find hourly flight availability from Pennsylvania 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 May 1, 2025.

When flying from Pennsylvania to Bilbao, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Bilbao by month

Plan your trip to Bilbao by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Bilbao ranges from 2.4 - 5.6 inches per month. November is typically the wettest month, when rainfall can reach 5.6 in. July is typically the driest time to visit Bilbao when rainfall is around 2.4 in.

Temperature in Bilbao by month

Plan your trip to Bilbao by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Bilbao, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

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 1, 2025.
Read through reviews of airlines operating flights from Pennsylvania to Bilbao, such as Delta, KLM and Azores Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,934 reviews

Comfort

7.9

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,934 reviews
Delta
8.0
Very good
7,934 reviews

Comfort

7.9

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,334 reviews
Delta
8.0
Very good
7,934 reviews

Comfort

7.9

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Azores Airlines
7.6
Good
66 reviews
Delta
8.0
Very good
7,934 reviews

Comfort

7.9

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Austrian Airlines
7.6
Good
781 reviews
Delta
8.0
Very good
7,934 reviews

Comfort

7.9

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
SWISS
7.5
Good
1,588 reviews
Delta
8.0
Very good
7,934 reviews

Comfort

7.9

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Pennsylvania 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 Pennsylvania?

    Located just 3.0 mi from the city center, Bilbao (BIO) is the airport most travelers will use when flying to Bilbao from Pennsylvania.

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

    To fly one-way, consider booking your trip with TAP AIR PORTUGAL, which is currently one of the cheapest options available, starting at $354. Air Europa flights start at $420 while deals on Azores Airlines start at $455 one-way.

  • What are the most popular routes from Pennsylvania to Bilbao?

    The most popular route from Pennsylvania to Bilbao is Newark - Bilbao. You may also consider New York John F Kennedy Intl - Bilbao or New York LaGuardia - Bilbao.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Pennsylvania 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 Pennsylvania to Bilbao?

    Currently, January is the cheapest month in which you can book a flight from Pennsylvania to Bilbao (average of $541). Flying from Pennsylvania to Bilbao in June is currently the most expensive (average of $1,178). 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.

Alternative routes for Pennsylvania to Bilbao

See prices for flight routes from nearby airports that may be better suited for you.
Newark to Bilbao flights
John F Kennedy Intl to Bilbao flights
John F Kennedy Intl to San Sebastian flights
Boston to Bilbao flights
LaGuardia to Bilbao flights
San Francisco to Bilbao flights
Newark to San Sebastian flights
Dulles Intl to Bilbao flights
Boston to San Sebastian flights
Reagan-National to Bilbao flights
LaGuardia to San Sebastian flights
Baltimore to Bilbao flights
Miami to Bilbao flights
Seattle to Bilbao flights
O'Hare Intl to Bilbao flights
Los Angeles to Bilbao flights
Miami to San Sebastian flights
Los Angeles to San Sebastian flights
Hobby to Bilbao flights
Providence to Bilbao flights
Dallas/Fort Worth to San Sebastian flights
Denver to Bilbao flights
Lexington to Bilbao flights
Dulles Intl to San Sebastian flights
George Bush Intcntl to Bilbao flights
Seattle to San Sebastian flights
Dallas/Fort Worth to Bilbao flights
Atlanta to Bilbao flights
Midway to Bilbao flights
Philadelphia to San Sebastian flights
Reagan-National to San Sebastian flights
San Francisco to San Sebastian flights
Austin to Bilbao flights
Orlando to Bilbao flights
Charlotte to Bilbao flights
Boise to Bilbao flights
Philadelphia to Bilbao flights
Fort Lauderdale to Bilbao flights
O'Hare Intl to San Sebastian flights
San Diego to San Sebastian flights
San Diego to Bilbao flights
Detroit to Bilbao flights
Indianapolis to Bilbao flights
Ontario to Bilbao flights
West Palm Beach to Bilbao flights
Minneapolis to Bilbao flights
Portland to Bilbao flights
Reno to Bilbao flights
San Jose to Bilbao flights
Denver to San Sebastian flights

Top 3 airlines flying from Pennsylvania to Bilbao

Discover the top 3 airlines that operate flights from Pennsylvania 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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest$496Average$1,009FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$587Average$924FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$682Average$1,034FlexibilityNo 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.