What are the cheapest airlines flying from Green Bay to Barcelona-El Prat Airport round-trip?

Our cheapest airline available from Green Bay to Barcelona-El Prat Airport is United Airlines. Our recent data shows that you can find tickets from as low as $560 on this airline. Additional options worth looking into are British Airways and American Airlines, starting at $637 and $645 round-trip.

What is the cheapest day to fly from Green Bay to Barcelona-El Prat Airport?

Travelers seeking maximum savings on their Green Bay to Barcelona-El Prat Airport flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Barcelona-El Prat Airport ranges from 0.8 - 3.6 inches per month. October is typically the wettest month, when rainfall can reach 3.6 in. July is typically the driest time to visit Barcelona-El Prat Airport when rainfall is around 0.8 in.

If weather is an important factor for your trip to Barcelona-El Prat Airport, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 75.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

What is the cheapest day to fly round-trip from Green Bay to Barcelona-El Prat Airport?

Monday is generally a great day to depart. Flying on this day could help you save up to 149%.

What is the cheapest time of day to fly from GRB to BCN?

Unlike in the morning, when flights are generally more expensive, you can save up to 21% on flights from Green Bay to Barcelona-El Prat Airport by exploring options for tickets at noon.

What airport do you fly from for flights from Green Bay to Barcelona-El Prat?

Green Bay Austin-Straubel (GRB) is the airport you will fly out of if you book a flight from Green Bay to Barcelona-El Prat. You should not have trouble finding flights to Barcelona-El Prat from Austin-Straubel; the airport handles an average of 0 outbound flights to Barcelona-El Prat per day. You should also have plenty of airline options to choose from since 1 airline has flights from the Green Bay airport to Barcelona-El Prat. It is only a 5.9 mi journey to Austin-Straubel (GRB) from Green Bay’s city center.

Can I find deals for flights from Green Bay to Barcelona-El Prat that include hotel bookings?

Yes. In addition to deals on Green Bay to Barcelona-El Prat flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Green Bay to Barcelona-El Prat?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Green Bay to Barcelona-El Prat.

Can I find deals for business class flights from Green Bay to Barcelona-El Prat?

Yes. Cheapflights offers flight deals from Green Bay to Barcelona-El Prat by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$560+ Flights from Green Bay to Barcelona-El Prat Airport

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Cheap flight deals from Green Bay to Barcelona-El Prat

Round-trip from	$560 (United Airlines)

From Green Bay Austin-Straubel to Barcelona-El Prat

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Find flight deals from Green Bay to Barcelona-El Prat

Cheapest flights from Green Bay to Barcelona-El Prat
Explore the most affordable flight options available from Green Bay to Barcelona-El Prat. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 30, 2025.

mié. 10/293:51 pmGRB - BCN

1 stop15h 14mUnited Airlines

jue. 11/61:35 pmBCN - GRB

2 stops34h 11mUnited Airlines

Deal found 7/29

$560

mié. 9/104:35 pmGRB - BCN

1 stop10h 55mBritish Airways

jue. 9/1810:45 amBCN - GRB

1 stop14h 11mBritish Airways

Deal found 7/29

$637

mié. 9/104:35 pmGRB - BCN

1 stop10h 55mAmerican Airlines

jue. 9/181:30 pmBCN - GRB

2 stops16h 58mAmerican Airlines

Deal found 7/29

$645

mié. 9/105:31 amGRB - BCN

2 stops17h 29mDelta

jue. 9/189:00 amBCN - GRB

2 stops21h 00mDelta

Deal found 7/29

$667

vie. 9/121:22 pmGRB - BCN

2 stops14h 28mMultiple Airlines

vie. 9/197:50 pmBCN - GRB

3 stops26h 18mMultiple Airlines

Deal found 7/29

$19,065

Best flights from Green Bay to Barcelona-El Prat
Discover carefully curated flight deals from Green Bay to Barcelona-El Prat that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated julio 30, 2025.

mié. 10/293:51 pmGRB - BCN

1 stop15h 14mUnited Airlines

jue. 11/61:35 pmBCN - GRB

2 stops34h 11mUnited Airlines

Deal found 7/29

$560

mié. 9/104:35 pmGRB - BCN

1 stop10h 55mBritish Airways

jue. 9/1810:45 amBCN - GRB

1 stop14h 11mBritish Airways

Deal found 7/29

$637

mié. 9/104:35 pmGRB - BCN

1 stop10h 55mAmerican Airlines

jue. 9/181:30 pmBCN - GRB

2 stops16h 58mAmerican Airlines

Deal found 7/29

$645

mié. 9/105:31 amGRB - BCN

2 stops17h 29mDelta

jue. 9/189:00 amBCN - GRB

2 stops21h 00mDelta

Deal found 7/29

$667

vie. 9/121:22 pmGRB - BCN

2 stops14h 28mMultiple Airlines

vie. 9/197:50 pmBCN - GRB

3 stops26h 18mMultiple Airlines

Deal found 7/29

$19,065

Last-minute flights from Green Bay to Barcelona-El Prat
Discover last-minute flight deals from Green Bay to Barcelona-El Prat. Data last updated julio 30, 2025 and is based on user searches.

mié. 8/133:49 pmGRB - BCN

1 stop14h 26mUnited Airlines

jue. 8/213:15 pmBCN - GRB

1 stop13h 28mUnited Airlines

Deal found 7/29

$748

Cheapflights Fare Finder

Use the filters below to find and compare flights from Green Bay to Barcelona-El Prat Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Green BayBarcelona

GRB - BCN

GRBBCN

Green Bay Austin-Straubel

mié. 10/29

3:51 pm-1:05 pm

1 stop15h 14m

Barcelona-El Prat

jue. 11/6

1:35 pm-4:46 pm

2 stops34h 11m

$560

Green BayBarcelona

GRB - BCN

GRBBCN

Green Bay Austin-Straubel

mié. 9/10

4:35 pm-10:30 am

1 stop10h 55m

Barcelona-El Prat

jue. 9/18

10:45 am-5:56 pm

1 stop14h 11m

$637

Green BayBarcelona

GRB - BCN

GRBBCN

Green Bay Austin-Straubel

mié. 9/10

4:35 pm-10:30 am

1 stop10h 55m

Barcelona-El Prat

jue. 9/18

1:30 pm-11:28 pm

2 stops16h 58m

$645

Green BayBarcelona

GRB - BCN

GRBBCN

Green Bay Austin-Straubel

mié. 9/10

5:31 am-6:00 am

2 stops17h 29m

Barcelona-El Prat

jue. 9/18

9:00 am-11:00 pm

2 stops21h 00m

$667

Green BayBarcelona

GRB - BCN

GRBBCN

Green Bay Austin-Straubel

vie. 9/12

1:22 pm-10:50 am

2 stops14h 28m

Barcelona-El Prat

vie. 9/19

7:50 pm-3:08 pm

3 stops26h 18m

$19,065

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Best time to book a flight from Green Bay to Barcelona-El Prat

Have a flexible travel schedule? Discover the best time to fly to Barcelona-El Prat from Green Bay 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 Green Bay to Barcelona-El Prat Airport

What is the cheapest month to book a flight from Green Bay to Barcelona-El Prat Airport?

Currently, January is the cheapest month in which you can book a flight from Green Bay to Barcelona-El Prat Airport (average of $523). Flying from Green Bay to Barcelona-El Prat Airport in June is currently the most expensive (average of $1,057). 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.

Reviews of airlines servicing Barcelona-El Prat

Get a feel of what it's like to fly with Delta, United Airlines, and American Airlines from Green Bay to Barcelona-El Prat Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,980 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very good

7,980 reviews

Delta

8.0

Very good

7,980 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

United Airlines

7.4

Good

8,896 reviews

Delta

8.0

Very good

7,980 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,980 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

British Airways

6.6

Okay

7,217 reviews

Delta

8.0

Very good

7,980 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

What airport do you fly from for flights from Green Bay to Barcelona-El Prat?
Green Bay Austin-Straubel (GRB) is the airport you will fly out of if you book a flight from Green Bay to Barcelona-El Prat. You should not have trouble finding flights to Barcelona-El Prat from Austin-Straubel; the airport handles an average of 0 outbound flights to Barcelona-El Prat per day. You should also have plenty of airline options to choose from since 1 airline has flights from the Green Bay airport to Barcelona-El Prat. It is only a 5.9 mi journey to Austin-Straubel (GRB) from Green Bay’s city center.
What are the cheapest airlines flying from Green Bay to Barcelona-El Prat Airport round-trip?
Our cheapest airline available from Green Bay to Barcelona-El Prat Airport is United Airlines. Our recent data shows that you can find tickets from as low as $560 on this airline. Additional options worth looking into are British Airways and American Airlines, starting at $637 and $645 round-trip.
Can I find deals for flights from Green Bay to Barcelona-El Prat that include hotel bookings?
Yes. In addition to deals on Green Bay to Barcelona-El Prat flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Green Bay to Barcelona-El Prat?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Green Bay to Barcelona-El Prat.
Can I find deals for business class flights from Green Bay to Barcelona-El Prat?
Yes. Cheapflights offers flight deals from Green Bay to Barcelona-El Prat 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 Green Bay to Barcelona-El Prat Airport?
Currently, January is the cheapest month in which you can book a flight from Green Bay to Barcelona-El Prat Airport (average of $523). Flying from Green Bay to Barcelona-El Prat Airport in June is currently the most expensive (average of $1,057). 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

Calella

Roses

Castelldefels

Cadaques

L'Hospitalet de Llobregat

El Prat de Llobregat

Badalona

Pineda de Mar

Santa Susanna

Browse thousands of different options on Cheapflights for your next trip

Top airline flying from Green Bay to Barcelona-El Prat

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$544	Average$811	FlexibilityNo cancel fee	On-time69%

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$560+ Cheap flights from Green Bay (GRB) to Barcelona-El Prat (BCN)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/29. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Green Bay to Barcelona-El Prat with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Green Bay to Barcelona-El Prat

Round-trip from

Find flight deals from Green Bay to Barcelona-El Prat

Cheapest flights from Green Bay to Barcelona-El PratExplore the most affordable flight options available from Green Bay to Barcelona-El Prat. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 30, 2025.

Explore the most affordable flight options available from Green Bay to Barcelona-El Prat. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 30, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Green Bay to Barcelona-El Prat Airport that are best for you.

Best time to book a flight from Green Bay to Barcelona-El Prat

Have a flexible travel schedule? Discover the best time to fly to Barcelona-El Prat from Green Bay with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Green Bay to Barcelona-El Prat Airport

What is the cheapest month to book a flight from Green Bay to Barcelona-El Prat Airport?

Reviews of airlines servicing Barcelona-El Prat

Get a feel of what it's like to fly with Delta, United Airlines, and American Airlines from Green Bay to Barcelona-El Prat Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Green Bay to Barcelona-El Prat. 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 from for flights from Green Bay to Barcelona-El Prat?

What are the cheapest airlines flying from Green Bay to Barcelona-El Prat Airport round-trip?

Can I find deals for flights from Green Bay to Barcelona-El Prat that include hotel bookings?

How can I find direct flights from Green Bay to Barcelona-El Prat?

Can I find deals for business class flights from Green Bay to Barcelona-El Prat?

What is the cheapest month to book a flight from Green Bay to Barcelona-El Prat Airport?

Traveling to a place near Barcelona-El Prat Airport?

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 Green Bay to Barcelona-El Prat

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Green Bay to Barcelona-El Prat

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Green Bay to Barcelona-El Prat
Explore the most affordable flight options available from Green Bay to Barcelona-El Prat. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 30, 2025.