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$560+ Cheap flights from Green Bay (GRB) to Barcelona

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.
GRB — BCN
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
1 adult, Economy
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Cheap flight deals from Green Bay to Barcelona

Discover tips and strategies to find the most affordable flight options for your journey from Green Bay (GRB) to Barcelona (S37). 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 July 29, 2025.

Round-trip from

$560
(United Airlines)
From Green Bay Austin-Straubel to Barcelona
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Cheapest flights from Green Bay to Barcelona
Explore the most affordable flight options available from Green Bay to Barcelona. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

This United Airlines deal was found by Cheapflights users on 7/27. 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 10/298:00 amGRB - BCN
2 stops18h 35mUnited Airlines
Thu 11/61:35 pmBCN - GRB
2 stops39h 03mUnited Airlines
Deal found 7/27$560
This American Airlines deal was found by Cheapflights users on 7/27. 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.
Tue 9/94:35 pmGRB - BCN
1 stop10h 55mAmerican Airlines
Thu 9/1810:45 amBCN - GRB
1 stop19h 43mAmerican Airlines
Deal found 7/27$638
This Delta deal was found by Cheapflights users on 7/27. 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.
Wed 9/105:31 amGRB - BCN
2 stops17h 29mDelta
Fri 9/199:00 amBCN - GRB
2 stops21h 00mDelta
Deal found 7/27$667
This Gurufare deal was found by Cheapflights users on 7/27. 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.
Thu 10/168:08 pmGRB - BCN
2 stops19h 47mBritish Airways
Mon 10/278:00 pmBCN - GRB
2 stops29h 38mBritish Airways
Deal found 7/27$687

Cheapflights Fare Finder

 
Customize your flight search to find flights from Green Bay to Barcelona 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 July 29, 2025.
Use the filters below to find and compare flights from Green Bay to Barcelona that are best for you.

Fly from

Green Bay

Fly to

Barcelona

Route

Depart

Return

Price

Green BayBarcelona

GRB - BCN

GRBBCN

Green Bay Austin-Straubel

Wed 10/29

8:00 am-8:35 am

2 stops18h 35m

Barcelona-El Prat

Thu 11/6

1:35 pm-9:38 pm

2 stops39h 03m

$560

Green BayBarcelona

GRB - BCN

GRBBCN

Green Bay Austin-Straubel

Tue 9/9

4:35 pm-10:30 am

1 stop10h 55m

Barcelona-El Prat

Thu 9/18

10:45 am-11:28 pm

1 stop19h 43m

$638

Green BayBarcelona

GRB - BCN

GRBBCN

Green Bay Austin-Straubel

Wed 9/10

5:31 am-6:00 am

2 stops17h 29m

Barcelona-El Prat

Fri 9/19

9:00 am-11:00 pm

2 stops21h 00m

$667

Green BayBarcelona

GRB - BCN

GRBBCN

Green Bay Austin-Straubel

Thu 10/16

8:08 pm-10:55 pm

2 stops19h 47m

Barcelona-El Prat

Mon 10/27

8:00 pm-7:38 pm

2 stops29h 38m

$687

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

Best time to book a flight from Green Bay to Barcelona

Have a flexible travel schedule? Discover the best time to fly to Barcelona 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

What is the cheapest month to book a flight from Green Bay to Barcelona?

Currently, January is the cheapest month in which you can book a flight from Green Bay to Barcelona (average of $523). Flying from Green Bay to Barcelona in June is currently the most expensive (average of $1,056). 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

Get insights into the airlines that provide service to Barcelona. 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 Barcelona. Reviews last updated July 29, 2025.
Read reviews from past customers who have flown Delta, United Airlines, and American Airlines from Green Bay to Barcelona. 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.
Delta
8.0
Very good
7,979 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Entertainment

7.9

Comfort

7.9

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
7,979 reviews
Delta
8.0
Very good
7,979 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Entertainment

7.9

Comfort

7.9

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
7,979 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Entertainment

7.9

Comfort

7.9

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
7,979 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Entertainment

7.9

Comfort

7.9

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
7,208 reviews
Delta
8.0
Very good
7,979 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Entertainment

7.9

Comfort

7.9

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

Find useful and relevant information for your journey from Green Bay to Barcelona. 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?

    Most people fly from Green Bay Austin-Straubel (GRB) if they book a flight from Green Bay to Barcelona. On average, Austin-Straubel has 0 outbound flights to Barcelona per day from 1 airline. Green Bay Austin-Straubel is conveniently located just 5.9 mi from Green Bay’s city center.

  • What are the cheapest airlines flying from Green Bay to Barcelona round-trip?

    Our cheapest airline available from Green Bay to Barcelona 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 American Airlines and Delta, starting at $638 and $667 round-trip.

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

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

  • How can I find direct flights from Green Bay to Barcelona?

    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.

  • Can I find deals for business class flights from Green Bay to Barcelona?

    Yes. Cheapflights offers flight deals from Green Bay to Barcelona 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?

    Currently, January is the cheapest month in which you can book a flight from Green Bay to Barcelona (average of $523). Flying from Green Bay to Barcelona in June is currently the most expensive (average of $1,056). 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.

Top airline flying from Green Bay to Barcelona

Discover the top airline that operate flights from Green Bay to Barcelona. 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 July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$544Average$811FlexibilityNo cancel feeOn-time69%

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