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Barcelona-El Prat

$427+ Cheap flights from Green Bay (GRB) to Barcelona-El Prat (BCN)

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 1/11. Fares are subject to change and may not be available on all flights or dates of travel.
GRB — BCN
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap flight deals from Green Bay to Barcelona-El Prat

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 December 12, 2025.

This United Airlines deal was found by Cheapflights users on 12/10. 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.
Fri 1/233:42 pmGRB - BCN
2 stops18h 53mUnited Airlines
Mon 1/261:35 pmBCN - GRB
2 stops38h 56mUnited Airlines
Deal found 12/10$472
This oojo deal was found by Cheapflights users on 12/11. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/176:40 pmGRB - BCN
2 stops21h 00mBritish Airways
Wed 6/34:30 pmBCN - GRB
2 stops37h 37mBritish Airways
Deal found 12/11$774
This KLM deal was found by Cheapflights users on 12/11. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/105:20 amGRB - BCN
1 stop21h 00mKLM
Tue 4/2111:35 amBCN - GRB
1 stop17h 23mKLM
Deal found 12/11$783
This KLM deal was found by Cheapflights users on 12/11. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/105:16 pmGRB - BCN
2 stops14h 34mMultiple Airlines
Tue 4/2111:35 amBCN - GRB
1 stop17h 23mMultiple Airlines
Deal found 12/11$787
This Delta deal was found by Cheapflights users on 12/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/105:16 pmGRB - BCN
2 stops16h 54mDelta
Tue 4/2111:35 amBCN - GRB
2 stops30h 34mDelta
Deal found 12/11$791
This United Airlines deal was found by Cheapflights users on 12/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/233:42 pmGRB - BCN
2 stops18h 53mUnited Airlines
Tue 1/271:35 pmBCN - GRB
2 stops34h 12mUnited Airlines
Deal found 12/11$472
This United Airlines deal was found by Cheapflights users on 12/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/173:00 pmGRB - BCN
1 stop15h 15mUnited Airlines
Wed 6/33:15 pmBCN - GRB
1 stop12h 59mUnited Airlines
Deal found 12/11$807
This United Airlines deal was found by Cheapflights users on 12/10. 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.
Tue 1/65:24 pmGRB - BCN
2 stops37h 51mUnited Airlines
Thu 4/3012:15 pmBCN - GRB
2 stops35h 43mUnited Airlines
Deal found 12/10$888
This Virgin Atlantic deal was found by Cheapflights users on 12/10. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/65:24 amGRB - BCN
1 stop20h 16mVirgin Atlantic
Thu 4/3011:35 amBCN - GRB
1 stop17h 23mVirgin Atlantic
Deal found 12/10$2,319

Find flight deals from Green Bay to Barcelona-El Prat

Discover tips and strategies to find the most affordable flight options for your journey from Green Bay (GRB) to Barcelona-El Prat (BCN). 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 December 12, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$472
(United Airlines)

One-way from

$427
(Rumbo)
Provider with most accurate pricing for Green Bay Austin-Straubel-Barcelona-El Prat flight deals.
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Provider most trusted by Cheapflights users for Green Bay Austin-Straubel-Barcelona-El Prat flights.
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From Green Bay Austin-Straubel to Barcelona-El Prat
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One-way flight from Green Bay Austin-Straubel to Barcelona-El Prat
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Green Bay to Barcelona-El Prat 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 December 12, 2025.
Use the filters below to find and compare flights from Green Bay to Barcelona-El Prat Airport that are best for you.

Fly from

Green Bay

Fly to

Barcelona-El Prat

Route

Depart

Return

Price

Green BayBarcelona

GRB - BCN

GRBBCN

Green Bay Austin-Straubel

Fri 1/23

3:42 pm-5:35 pm

2 stops18h 53m

Barcelona-El Prat

Mon 1/26

1:35 pm-9:31 pm

2 stops38h 56m

$472

Green BayBarcelona

GRB - BCN

GRBBCN

Green Bay Austin-Straubel

Fri 1/23

3:42 pm-5:35 pm

2 stops18h 53m

Barcelona-El Prat

Tue 1/27

1:35 pm-4:47 pm

2 stops34h 12m

$472

Green BayBarcelona

GRB - BCN

GRBBCN

Green Bay Austin-Straubel

Sun 5/17

6:40 pm-10:40 pm

2 stops21h 00m

Barcelona-El Prat

Wed 6/3

4:30 pm-11:07 pm

2 stops37h 37m

$774

Green BayBarcelona

GRB - BCN

GRBBCN

Green Bay Austin-Straubel

Fri 4/10

5:20 am-9:20 am

1 stop21h 00m

Barcelona-El Prat

Tue 4/21

11:35 am-9:58 pm

1 stop17h 23m

$783

Green BayBarcelona

GRB - BCN

GRBBCN

Green Bay Austin-Straubel

Fri 4/10

5:16 pm-2:50 pm

2 stops14h 34m

Barcelona-El Prat

Tue 4/21

11:35 am-9:58 pm

1 stop17h 23m

$787

Green BayBarcelona

GRB - BCN

GRBBCN

Green Bay Austin-Straubel

Fri 4/10

5:16 pm-5:10 pm

2 stops16h 54m

Barcelona-El Prat

Tue 4/21

11:35 am-11:09 am

2 stops30h 34m

$791

Green BayBarcelona

GRB - BCN

GRBBCN

Green Bay Austin-Straubel

Sun 5/17

3:00 pm-1:15 pm

1 stop15h 15m

Barcelona-El Prat

Wed 6/3

3:15 pm-9:14 pm

1 stop12h 59m

$807

Green BayBarcelona

GRB - BCN

GRBBCN

Green Bay Austin-Straubel

Tue 1/6

5:24 pm-2:15 pm

2 stops37h 51m

Barcelona-El Prat

Thu 4/30

12:15 pm-4:58 pm

2 stops35h 43m

$888

Green BayBarcelona

GRB - BCN

GRBBCN

Green Bay Austin-Straubel

Tue 1/6

5:24 am-8:40 am

1 stop20h 16m

Barcelona-El Prat

Thu 4/30

11:35 am-9:58 pm

1 stop17h 23m

$2,319

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

  • Most accurate provider: When it comes to deals on Green Bay-Barcelona-El Prat Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Green Bay-Barcelona-El Prat Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Green Bay-Barcelona-El Prat Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Green Bay-Barcelona-El Prat Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Green Bay-Barcelona-El Prat Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

Reviews of airlines servicing Barcelona-El Prat

Get insights into the airlines that provide service to Barcelona-El Prat. 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-El Prat. Reviews last updated December 12, 2025.
Get a feel of what it's like to fly with United 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.
United Airlines
7.4
Good
9,095 reviews

Crew

8.1

Food

6.6

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
United Airlines
7.4
Good
9,095 reviews
United Airlines
7.4
Good
9,095 reviews

Crew

8.1

Food

6.6

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.

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?

    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.

  • How long is the flight from Green Bay to Barcelona-El Prat Airport?

    Departing from Green Bay to Barcelona-El Prat Airport will take you 18h 53m. Green Bay and Barcelona-El Prat Airport are separated by a distance of 4321 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What is the cheapest airline to fly 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 $624 on this airline.

  • 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.

See more FAQs

Traveling to a place near Barcelona-El Prat Airport?

Book flights to Barcelona-El Prat Airport if you plan to visit one of these locations
Calella
Roses
L'Hospitalet de Llobregat
Cadaques
El Prat de Llobregat
Badalona
Pineda de Mar

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Top airline flying from Green Bay to Barcelona-El Prat

Discover the top airline that operate flights from Green Bay to Barcelona-El Prat. 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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$624Average$811FlexibilityNo cancel feeOn-time69%

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