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Cheap flights from Green Bay to Madrid from $637

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Green Bay to Madrid departing on 10/15. 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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Cheap round-trip flights

British Airways Logo
8:08 pm - 1:25 pmGRB-MAD
10h 17m1 stop
British Airways Logo
4:40 pm - 11:30 pmMAD-GRB
13h 50m1 stop
$637British Airways
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Wed, Oct 15 - Mon, Oct 20
American Airlines Logo
8:08 pm - 1:25 pmGRB-MAD
10h 17m1 stop
American Airlines Logo
12:40 pm - 11:30 pmMAD-GRB
17h 50m2 stops
$641American Airlines
Find Deal
Wed, Oct 15 - Mon, Oct 20
United Airlines Logo
5:30 pm - 8:20 amGRB-MAD
31h 50m2 stops
United Airlines Logo
12:45 pm - 10:40 pmMAD-GRB
40h 55m2 stops
$681United Airlines
Find Deal
Tue, Sep 2 - Wed, Oct 15
United Airlines Logo
1:22 pm - 7:50 pmGRB-MAD
23h 28m2 stops
United Airlines Logo
12:30 pm - 10:40 pmMAD-GRB
41h 10m2 stops
$701United Airlines
Find Deal
Tue, Sep 2 - Wed, Oct 15
British Airways Logo
11:18 am - 11:55 amGRB-MAD
17h 37m2 stops
British Airways Logo
8:55 pm - 9:36 pmMAD-GRB
31h 41m2 stops
$735British Airways
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Fri, Dec 26 - Thu, Jan 8
American Airlines Logo
9:42 am - 7:55 amGRB-MAD
15h 13m1 stop
American Airlines Logo
4:40 pm - 11:30 pmMAD-GRB
13h 50m1 stop
$792American Airlines
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Tue, Sep 2 - Wed, Oct 15
American Airlines Logo
6:02 am - 7:55 amGRB-MAD
18h 53m1 stop
American Airlines Logo
12:40 pm - 11:30 pmMAD-GRB
17h 50m2 stops
$796American Airlines
Find Deal
Tue, Sep 2 - Wed, Oct 15
United Airlines Logo
6:15 am - 1:25 pmGRB-MAD
24h 10m2 stops
United Airlines Logo
1:35 pm - 3:10 pmMAD-GRB
32h 35m2 stops
$848United Airlines
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Fri, Nov 21 - Fri, Nov 28
Lufthansa Logo
5:22 pm - 11:50 pmGRB-MAD
23h 28m2 stops
Lufthansa Logo
6:05 am - 9:38 pmMAD-GRB
22h 33m2 stops
$891Lufthansa
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Fri, Nov 21 - Fri, Nov 28
Virgin Atlantic Logo
5:10 am - 9:00 amGRB-MAD
20h 50m1 stop
Virgin Atlantic Logo
11:00 am - 10:00 pmMAD-GRB
18h 00m1 stop
$1,357Virgin Atlantic
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Fri, Dec 26 - Thu, Jan 8

United Airlines flights from Green Bay to Madrid

Our best United Airlines deals on Green Bay to Madrid flight tickets
United Airlines
Sep 2
GRB5:30 pmGreen Bay Austin-Straubel
31h 50m
2 stops
MAD8:20 amMadrid Barajas
Oct 15
MAD12:45 pmMadrid Barajas
40h 55m
2 stops
GRB10:40 pmGreen Bay Austin-Straubel
$681
Find similar
United Airlines
Sep 2
GRB1:22 pmGreen Bay Austin-Straubel
23h 28m
2 stops
MAD7:50 pmMadrid Barajas
Oct 15
MAD12:30 pmMadrid Barajas
41h 10m
2 stops
GRB10:40 pmGreen Bay Austin-Straubel
$701
Find similar
United Airlines
Nov 21
GRB6:15 amGreen Bay Austin-Straubel
24h 10m
2 stops
MAD1:25 pmMadrid Barajas
Nov 28
MAD1:35 pmMadrid Barajas
32h 35m
2 stops
GRB3:10 pmGreen Bay Austin-Straubel
$848
Find similar

American Airlines flights from Green Bay to Madrid

Our best American Airlines deals on Green Bay to Madrid flight tickets
American Airlines
Oct 15
GRB8:08 pmGreen Bay Austin-Straubel
10h 17m
1 stop
MAD1:25 pmMadrid Barajas
Oct 20
MAD12:40 pmMadrid Barajas
17h 50m
2 stops
GRB11:30 pmGreen Bay Austin-Straubel
$641
Find similar
American Airlines
Sep 2
GRB9:42 amGreen Bay Austin-Straubel
15h 13m
1 stop
MAD7:55 amMadrid Barajas
Oct 15
MAD4:40 pmMadrid Barajas
13h 50m
1 stop
GRB11:30 pmGreen Bay Austin-Straubel
$792
Find similar
American Airlines
Sep 2
GRB6:02 amGreen Bay Austin-Straubel
18h 53m
1 stop
MAD7:55 amMadrid Barajas
Oct 15
MAD12:40 pmMadrid Barajas
17h 50m
2 stops
GRB11:30 pmGreen Bay Austin-Straubel
$796
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Green Bay to Madrid 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 2, 2025.
Use the filters below to find and compare flights from Green Bay to Madrid that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Green BayMadrid

GRB - MAD

GRBMAD

Green Bay Austin-Straubel

Wed 10/15

8:08 pm-1:25 pm

1 stop10h 17m

Madrid Barajas

Mon 10/20

4:40 pm-11:30 pm

1 stop13h 50m

$637

Green BayMadrid

GRB - MAD

GRBMAD

Green Bay Austin-Straubel

Wed 10/15

8:08 pm-1:25 pm

1 stop10h 17m

Madrid Barajas

Mon 10/20

12:40 pm-11:30 pm

2 stops17h 50m

$641

Green BayMadrid

GRB - MAD

GRBMAD

Green Bay Austin-Straubel

Tue 9/2

5:30 pm-8:20 am

2 stops31h 50m

Madrid Barajas

Wed 10/15

12:45 pm-10:40 pm

2 stops40h 55m

$681

Green BayMadrid

GRB - MAD

GRBMAD

Green Bay Austin-Straubel

Tue 9/2

1:22 pm-7:50 pm

2 stops23h 28m

Madrid Barajas

Wed 10/15

12:30 pm-10:40 pm

2 stops41h 10m

$701

Green BayMadrid

GRB - MAD

GRBMAD

Green Bay Austin-Straubel

Fri 12/26

11:18 am-11:55 am

2 stops17h 37m

Madrid Barajas

Thu 1/8

8:55 pm-9:36 pm

2 stops31h 41m

$735

Green BayMadrid

GRB - MAD

GRBMAD

Green Bay Austin-Straubel

Tue 9/2

9:42 am-7:55 am

1 stop15h 13m

Madrid Barajas

Wed 10/15

4:40 pm-11:30 pm

1 stop13h 50m

$792

Green BayMadrid

GRB - MAD

GRBMAD

Green Bay Austin-Straubel

Tue 9/2

6:02 am-7:55 am

1 stop18h 53m

Madrid Barajas

Wed 10/15

12:40 pm-11:30 pm

2 stops17h 50m

$796

Green BayMadrid

GRB - MAD

GRBMAD

Green Bay Austin-Straubel

Fri 11/21

6:15 am-1:25 pm

2 stops24h 10m

Madrid Barajas

Fri 11/28

1:35 pm-3:10 pm

2 stops32h 35m

$848

Green BayMadrid

GRB - MAD

GRBMAD

Green Bay Austin-Straubel

Fri 11/21

5:22 pm-11:50 pm

2 stops23h 28m

Madrid Barajas

Fri 11/28

6:05 am-9:38 pm

2 stops22h 33m

$891

Green BayMadrid

GRB - MAD

GRBMAD

Green Bay Austin-Straubel

Fri 12/26

5:10 am-9:00 am

1 stop20h 50m

Madrid Barajas

Thu 1/8

11:00 am-10:00 pm

1 stop18h 00m

$1,357

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Madrid from

How to get the cheapest flight ticket from Green Bay to Madrid

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 Madrid?

The cheapest day to depart on your flight to Madrid is on a Tuesday when prices can be found for as low as $676. This is often the case because there is less demand to fly during this day of the week. Be sure to avoid booking your departure on a Thursday as prices are generally higher than usual. According to our data, the average ticket price to Madrid on Thursday is $894.

What is the cheapest time of day to depart on your flight to Madrid?

Flying to Madrid from Green Bay in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $668 when looking at flights departing in the afternoon. Flights to Madrid are more costly at noon, with an average ticket price of $1,216. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

When to book flights from Green Bay to Madrid

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

Cheap Green Bay to Madrid (GRB to MAD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Green Bay to Madrid

Best Price Found

$637

Fastest flight time

10h 17m

Direct flights

None

Airports in Madrid

1 airport
The best flight deal from Green Bay to Madrid found on momondo in the last 72 hours is $637
The fastest flight from Green Bay to Madrid takes 10h 17m
There are no direct flights from Green Bay to Madrid. Popular non-direct route for this connection is Green Bay Austin-Straubel Airport - Madrid Barajas Airport.
There is 1 airport near Madrid: Madrid Barajas (MAD)
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  • How far is Green Bay Austin-Straubel to Madrid Barajas by plane?

    Green Bay Austin-Straubel and Madrid Barajas are 4104.5 mi apart from one another. In terms of flight time, this usually takes a little over 10h 17m.

  • When did momondo last update prices for flights from Green Bay Austin-Straubel Airport to Madrid Barajas Airport?

    Prices for flights from Green Bay Austin-Straubel Airport to Madrid Barajas Airport were last updated today.

  • How old do you have to be to fly from Green Bay Austin-Straubel Airport to Madrid Barajas 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 Madrid Barajas Airport.

  • What documentation or ID do you need to fly to Madrid Barajas Airport?

    The travel and health documents you'll need for your trip to Madrid Barajas Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Madrid Barajas Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Traveling to a place near Madrid?

Book flights to Madrid if you plan to visit one of these locations
Toledo
Segovia
Getafe
Fuenlabrada
San Lorenzo de El Escorial
Guadalajara

Why use momondo?

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

Finding the right flight to Madrid from Green Bay is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Madrid quick and easy, saving you time and money.

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

Yes. All flights to Madrid from Green Bay on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Madrid from Green Bay.

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

Of course. momondo tracks the price of Green Bay to Madrid 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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