HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Barcelona

$534+ 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 11/16. Fares are subject to change and may not be available on all flights or dates of travel.
GRB — BCN
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Green Bay to Barcelona 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 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 October 30, 2025.

Round-trip from

$534
(United Airlines)
From Green Bay Austin-Straubel to Barcelona
Search Deals

Find flight deals from Green Bay to Barcelona

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 October 30, 2025.

This United Airlines deal was found by Cheapflights users on 10/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/163:51 pmGRB - BCN
1 stop14h 19mUnited Airlines
Sun 11/233:05 pmBCN - GRB
1 stop13h 33mUnited Airlines
Deal found 10/29$534
This United Airlines deal was found by Cheapflights users on 10/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/315:27 pmGRB - BCN
1 stop13h 43mUnited Airlines
Fri 11/79:10 amBCN - GRB
2 stops19h 28mUnited Airlines
Deal found 10/30$538
This Delta deal was found by Cheapflights users on 10/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/124:56 pmGRB - BCN
2 stops19h 09mDelta
Wed 11/1910:55 amBCN - GRB
1 stop18h 38mDelta
Deal found 10/29$569
This Air France deal was found by Cheapflights users on 10/29. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/125:19 amGRB - BCN
1 stop20h 21mMultiple Airlines
Wed 11/1910:55 amBCN - GRB
1 stop18h 38mMultiple Airlines
Deal found 10/29$789
This Cheapflightsfares deal was found by Cheapflights users on 10/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/315:27 pmGRB - BCN
2 stops23h 38mLufthansa
Fri 11/75:50 amBCN - GRB
2 stops17h 56mLufthansa
Deal found 10/30$13,306

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 October 30, 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

Sun 11/16

3:51 pm-1:10 pm

1 stop14h 19m

Barcelona-El Prat

Sun 11/23

3:05 pm-9:38 pm

1 stop13h 33m

$534

Green BayBarcelona

GRB - BCN

GRBBCN

Green Bay Austin-Straubel

Sun 11/16

10:46 am-8:20 am

2 stops14h 34m

Barcelona-El Prat

Sun 11/23

7:40 am-4:46 pm

2 stops16h 06m

$538

Green BayBarcelona

GRB - BCN

GRBBCN

Green Bay Austin-Straubel

Wed 11/12

4:56 pm-7:05 pm

2 stops19h 09m

Barcelona-El Prat

Wed 11/19

10:55 am-10:33 pm

1 stop18h 38m

$569

Green BayBarcelona

GRB - BCN

GRBBCN

Green Bay Austin-Straubel

Tue 1/6

5:24 pm-2:05 pm

2 stops37h 41m

Barcelona-El Prat

Thu 4/30

3:15 pm-9:14 pm

1 stop12h 59m

$623

Green BayBarcelona

GRB - BCN

GRBBCN

Green Bay Austin-Straubel

Sun 3/15

6:39 pm-4:05 pm

2 stops15h 26m

Barcelona-El Prat

Sat 4/4

7:40 am-9:30 pm

2 stops20h 50m

$781

Green BayBarcelona

GRB - BCN

GRBBCN

Green Bay Austin-Straubel

Wed 11/12

5:19 am-8:40 am

1 stop20h 21m

Barcelona-El Prat

Wed 11/19

10:55 am-10:33 pm

1 stop18h 38m

$789

Green BayBarcelona

GRB - BCN

GRBBCN

Green Bay Austin-Straubel

Fri 3/27

3:30 pm-2:15 pm

2 stops16h 45m

Barcelona-El Prat

Tue 3/31

8:00 am-7:05 pm

2 stops18h 05m

$884

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

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
No data available for this route at this time. Please check back soon.

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 October 30, 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
8,998 reviews

Boarding

7.7

Crew

8.1

Overall

7.4

Food

6.6

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
8,998 reviews
United Airlines
7.4
Good
8,998 reviews

Boarding

7.7

Crew

8.1

Overall

7.4

Food

6.6

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

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 14h 19m. Fly via United Airlines or Delta to get the fastest option. There are 4321 mi between Green Bay and Barcelona. This flight may include one or multiple stops.

  • 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 $624 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.

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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$624Average$811FlexibilityNo 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.