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Cheap flights from Green Bay to Barcelona from $454

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Green Bay to Barcelona departing on 1/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Green Bay to Barcelona (GRB-BCN)

Cheap round-trip flights

United Airlines Logo
10:51 am - 9:00 amGRB-BCN
15h 09m2 stops
United Airlines Logo
10:30 am - 10:35 amBCN-GRB
31h 05m2 stops
$587United Airlines
Find Deal
Mon, Feb 9 - Fri, Feb 20
Virgin Atlantic Logo
5:34 am - 9:20 amGRB-BCN
20h 46m1 stop
Virgin Atlantic Logo
9:30 am - 10:03 pmBCN-GRB
19h 33m2 stops
$597Virgin Atlantic
Find Deal
Wed, Sep 24 - Fri, Oct 3
Delta Logo
11:53 am - 2:55 pmGRB-BCN
20h 02m2 stops
Delta Logo
10:55 am - 10:00 pmBCN-GRB
18h 05m1 stop
$611Delta
Find Deal
Mon, Feb 9 - Fri, Feb 20
Delta Logo
11:53 am - 5:00 pmGRB-BCN
22h 07m2 stops
Delta Logo
10:55 am - 10:00 pmBCN-GRB
18h 05m1 stop
$612Delta
Find Deal
Mon, Feb 9 - Fri, Feb 20
American Airlines Logo
6:23 pm - 4:30 pmGRB-BCN
15h 07m2 stops
American Airlines Logo
6:40 am - 9:36 pmBCN-GRB
21h 56m2 stops
$660American Airlines
Find Deal
Fri, Jan 9 - Wed, Jan 21
United Airlines Logo
8:00 am - 9:35 amGRB-BCN
18h 35m2 stops
United Airlines Logo
3:15 pm - 9:33 pmBCN-GRB
13h 18m1 stop
$709United Airlines
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Fri, Sep 26 - Fri, Oct 3
KLM Logo
11:53 am - 12:15 pmGRB-BCN
17h 22m2 stops
KLM Logo
10:55 am - 10:00 pmBCN-GRB
18h 05m1 stop
$797KLM
Find Deal
Fri, Jan 9 - Wed, Jan 21
Logo
3:30 pm - 1:10 pmGRB-BCN
14h 40m2 stops
Logo
6:50 am - 7:05 pmBCN-GRB
19h 15m3 stops
$989
Find Deal
Fri, Jan 9 - Wed, Jan 21
KLM Logo
5:34 am - 7:15 amGRB-BCN
18h 41m1 stop
KLM Logo
11:35 am - 11:00 pmBCN-GRB
18h 25m1 stop
$1,308KLM
Find Deal
Sun, Sep 14 - Thu, Sep 18
Logo
6:00 am - 10:30 amGRB-BCN
21h 30m1 stop
Logo
7:35 pm - 2:31 pmBCN-GRB
25h 56m2 stops
$5,056
Find Deal
Sun, Sep 14 - Thu, Sep 18

United Airlines flights from Green Bay to Barcelona-El Prat Airport

Our best United Airlines deals on Green Bay to Barcelona-El Prat Airport flight tickets
United Airlines
Feb 9
GRB10:51 amGreen Bay Austin-Straubel
15h 09m
2 stops
BCN9:00 amBarcelona-El Prat
Feb 20
BCN10:30 amBarcelona-El Prat
31h 05m
2 stops
GRB10:35 amGreen Bay Austin-Straubel
$587
Find similar
United Airlines
Sep 26
GRB8:00 amGreen Bay Austin-Straubel
18h 35m
2 stops
BCN9:35 amBarcelona-El Prat
Oct 3
BCN3:15 pmBarcelona-El Prat
13h 18m
1 stop
GRB9:33 pmGreen Bay Austin-Straubel
$709
Find similar
United Airlines
Sep 26
GRB8:00 amGreen Bay Austin-Straubel
18h 35m
2 stops
BCN9:35 amBarcelona-El Prat
Oct 3
BCN12:00 pmBarcelona-El Prat
17h 40m
2 stops
GRB10:40 pmGreen Bay Austin-Straubel
$714
Find similar

Virgin Atlantic flights from Green Bay to Barcelona-El Prat Airport

Our best Virgin Atlantic deals on Green Bay to Barcelona-El Prat Airport flight tickets
Virgin Atlantic
Sep 24
GRB5:34 amGreen Bay Austin-Straubel
20h 46m
1 stop
BCN9:20 amBarcelona-El Prat
Oct 3
BCN9:30 amBarcelona-El Prat
19h 33m
2 stops
GRB10:03 pmGreen Bay Austin-Straubel
$597
Find similar
Virgin Atlantic
Sep 24
GRB5:34 amGreen Bay Austin-Straubel
20h 46m
1 stop
BCN9:20 amBarcelona-El Prat
Oct 3
BCN11:35 amBarcelona-El Prat
18h 25m
1 stop
GRB11:00 pmGreen Bay Austin-Straubel
$783
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Green Bay to Barcelona-El Prat Airport 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, momondo users made 832,500 searches. Data last updated August 14, 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

Fly to

Route

Depart

Return

Price

Green BayBarcelona

GRB - BCN

GRBBCN

Green Bay Austin-Straubel

Mon 2/9

10:51 am-9:00 am

2 stops15h 09m

Barcelona-El Prat

Fri 2/20

10:30 am-10:35 am

2 stops31h 05m

$587

Green BayBarcelona

GRB - BCN

GRBBCN

Green Bay Austin-Straubel

Wed 9/24

5:34 am-9:20 am

1 stop20h 46m

Barcelona-El Prat

Fri 10/3

9:30 am-10:03 pm

2 stops19h 33m

$597

Green BayBarcelona

GRB - BCN

GRBBCN

Green Bay Austin-Straubel

Mon 2/9

11:53 am-2:55 pm

2 stops20h 02m

Barcelona-El Prat

Fri 2/20

10:55 am-10:00 pm

1 stop18h 05m

$611

Green BayBarcelona

GRB - BCN

GRBBCN

Green Bay Austin-Straubel

Mon 2/9

11:53 am-5:00 pm

2 stops22h 07m

Barcelona-El Prat

Fri 2/20

10:55 am-10:00 pm

1 stop18h 05m

$612

Green BayBarcelona

GRB - BCN

GRBBCN

Green Bay Austin-Straubel

Fri 1/9

6:23 pm-4:30 pm

2 stops15h 07m

Barcelona-El Prat

Wed 1/21

6:40 am-9:36 pm

2 stops21h 56m

$660

Green BayBarcelona

GRB - BCN

GRBBCN

Green Bay Austin-Straubel

Fri 9/26

8:00 am-9:35 am

2 stops18h 35m

Barcelona-El Prat

Fri 10/3

3:15 pm-9:33 pm

1 stop13h 18m

$709

Green BayBarcelona

GRB - BCN

GRBBCN

Green Bay Austin-Straubel

Fri 1/9

11:53 am-12:15 pm

2 stops17h 22m

Barcelona-El Prat

Wed 1/21

10:55 am-10:00 pm

1 stop18h 05m

$797

Green BayBarcelona

GRB - BCN

GRBBCN

Green Bay Austin-Straubel

Fri 1/9

3:30 pm-1:10 pm

2 stops14h 40m

Barcelona-El Prat

Wed 1/21

6:50 am-7:05 pm

3 stops19h 15m

$989

Green BayBarcelona

GRB - BCN

GRBBCN

Green Bay Austin-Straubel

Sun 9/14

5:34 am-7:15 am

1 stop18h 41m

Barcelona-El Prat

Thu 9/18

11:35 am-11:00 pm

1 stop18h 25m

$1,308

Green BayBarcelona

GRB - BCN

GRBBCN

Green Bay Austin-Straubel

Sun 9/14

6:00 am-10:30 am

1 stop21h 30m

Barcelona-El Prat

Thu 9/18

7:35 pm-2:31 pm

2 stops25h 56m

$5,056

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
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See travel insights to Barcelona from

How to get the cheapest flight ticket from Green Bay to Barcelona-El Prat Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Barcelona-El Prat Airport?

The cheapest day to depart on your flight to Barcelona-El Prat Airport is on a Tuesday when prices can be found for as low as $622. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $1,552. These prices are subject to change though, so be sure to set up a Price Alert for flights to Barcelona-El Prat Airport.

What is the cheapest time of day to depart on your flight to Barcelona-El Prat Airport?

Flying to Barcelona-El Prat Airport from Green Bay in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $1,027 when looking at flights departing in the afternoon. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $1,290 on average. Flights to Barcelona-El Prat Airport from Green Bay in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

When to book flights from Green Bay to Barcelona-El Prat Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Green Bay to Barcelona-El Prat Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Green Bay to Barcelona-El Prat Airport (GRB to BCN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Green Bay to Barcelona-El Prat Airport

Best Price Found

$454

Fastest flight time

12h 45m

Direct flights

None
The best one-way flight to Barcelona-El Prat Airport from Green Bay in the past 72 hours is $454. The best round-trip flight deal from Green Bay to Barcelona-El Prat Airport found on momondo in the last 72 hours is $587.
The fastest flight from Green Bay to Barcelona-El Prat Airport takes 12h 45m
There are no direct flights from Green Bay to Barcelona-El Prat Airport. Popular non-direct route for this connection is Green Bay Austin-Straubel Airport - Barcelona-El Prat Airport.
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  • How far is Green Bay Austin-Straubel to Barcelona-El Prat by plane?

    A flight from Green Bay Austin-Straubel to Barcelona-El Prat will travel around 4315.3 mi. In terms of flight time, this usually takes a little over 12h 45m.

  • When did momondo last update prices for flights from Green Bay Austin-Straubel Airport to Barcelona-El Prat Airport?

    Prices for flights from Green Bay Austin-Straubel Airport to Barcelona-El Prat Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Green Bay Austin-Straubel Airport to Barcelona-El Prat Airport?

  • How old do you have to be to fly from Green Bay Austin-Straubel Airport to Barcelona-El Prat Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Green Bay Austin-Straubel Airport to Barcelona-El Prat Airport.

  • What documentation or ID do you need to fly to Barcelona-El Prat Airport?

    The necessary travel and health documents for your Barcelona-El Prat Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Green Bay to Barcelona-El Prat Airport?

Best airlines flying from Green Bay to Barcelona-El Prat Airport

Compare and see reviews for airlines that fly from Green Bay to Barcelona-El Prat Airport with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $544Free CancellationRating
7.4
8,916 reviews
Search United Airlines flights

Traveling to a place near Barcelona?

Book flights to Barcelona if you plan to visit one of these locations
Lloret de Mar
Sitges
Salou
L'Hospitalet de Llobregat
Tossa de Mar
El Prat de Llobregat
Tarragona
Castelldefels
Santa Susanna
Badalona
Cambrils
Calella
Pineda de Mar
Empuriabrava
Cadaques
Roses
Malgrat de Mar
Palafrugell
Tortosa
Pals

Why use momondo?

Why should I use momondo to find a flight deal from Green Bay to Barcelona?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Green Bay to Barcelona. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Green Bay to Barcelona with flexible booking policies on momondo?

Flights from Green Bay to Barcelona with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Green Bay to Barcelona?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Green Bay to Barcelona.

I’m not ready to book a flight from Green Bay to Barcelona right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Green Bay to Barcelona flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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