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$782+ 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 10/25. Fares are subject to change and may not be available on all flights or dates of travel.
GRB — BCN
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
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 September 11, 2025.

Round-trip from

$782
(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 September 11, 2025.

This United Airlines deal was found by Cheapflights users on 9/10. 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.
Sat 10/251:20 pmGRB - BCN
2 stops13h 40mUnited Airlines
Sat 11/16:50 amBCN - GRB
2 stops18h 57mUnited Airlines
Deal found 9/10$782
This Priceline deal was found by Cheapflights users on 9/10. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/255:25 pmGRB - BCN
1 stop13h 40mLufthansa
Sat 11/13:05 pmBCN - GRB
1 stop32h 41mLufthansa
Deal found 9/10$1,309
This Cheapflightsfares deal was found by Cheapflights users on 9/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/106:35 pmGRB - BCN
1 stop11h 40mMultiple Airlines
Tue 10/217:45 amBCN - GRB
2 stops16h 05mMultiple Airlines
Deal found 9/11$3,393
This Cheapflightsfares deal was found by Cheapflights users on 9/9. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/91:20 pmGRB - BCN
2 stops14h 30mMultiple Airlines
Mon 10/2012:00 pmBCN - GRB
2 stops15h 58mMultiple Airlines
Deal found 9/9$12,076

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 September 11, 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

Sat 10/25

1:20 pm-10:00 am

2 stops13h 40m

Barcelona-El Prat

Sat 11/1

6:50 am-7:47 pm

2 stops18h 57m

$782

Green BayBarcelona

GRB - BCN

GRBBCN

Green Bay Austin-Straubel

Sat 10/25

5:25 pm-2:05 pm

1 stop13h 40m

Barcelona-El Prat

Sat 11/1

3:05 pm-5:46 pm

1 stop32h 41m

$1,309

Green BayBarcelona

GRB - BCN

GRBBCN

Green Bay Austin-Straubel

Fri 10/10

6:35 pm-1:15 pm

1 stop11h 40m

Barcelona-El Prat

Tue 10/21

7:45 am-4:50 pm

2 stops16h 05m

$3,393

Green BayBarcelona

GRB - BCN

GRBBCN

Green Bay Austin-Straubel

Thu 10/9

1:20 pm-10:50 am

2 stops14h 30m

Barcelona-El Prat

Mon 10/20

12:00 pm-8:58 pm

2 stops15h 58m

$12,076

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

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 $1,059). 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 September 11, 2025.
Read reviews from past customers who have flown United 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.
United Airlines
7.4
Good
8,937 reviews

Entertainment

7.1

Food

6.6

Boarding

7.7

Comfort

7.3

Overall

7.4

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,937 reviews
United Airlines
7.4
Good
8,937 reviews

Entertainment

7.1

Food

6.6

Boarding

7.7

Comfort

7.3

Overall

7.4

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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.

  • How long is the flight from Green Bay to Barcelona?

    There are many flights that can get you from Green Bay to Barcelona in 13h 40m. Fly via United Airlines or Lufthansa to get the fastest option. There are 4321 mi between Green Bay and Barcelona.

  • What is the cheapest airline to fly 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 $544 on this airline.

  • 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 $1,059). 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

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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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$544Average$811FlexibilityNo cancel feeOn-time69%

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