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$656+ Cheap flights from Green Bay (GRB) to Madrid, Spain (MAD)

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 9/2. Fares are subject to change and may not be available on all flights or dates of travel.
GRB — MAD
Aug 4 — Aug 111
Mon 8/4
Mon 8/11
1 adult, Economy
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Cheap flight deals from Green Bay to Madrid

Discover tips and strategies to find the most affordable flight options for your journey from Green Bay (GRB) to Madrid (MAD). 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 July 30, 2025.

Round-trip from

$656
(United Airlines)
From Green Bay Austin-Straubel to Madrid Barajas
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Find flight deals from Green Bay to Madrid

Cheapest flights from Green Bay to Madrid
Explore the most affordable flight options available from Green Bay to Madrid. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2025.

This United Airlines deal was found by Cheapflights users on 7/30. 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.
Tue 9/25:30 pmGRB - MAD
2 stops31h 50mUnited Airlines
Wed 10/1512:45 pmMAD - GRB
2 stops40h 55mUnited Airlines
Deal found 7/30$656
This American Airlines deal was found by Cheapflights users on 7/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/29:42 amGRB - MAD
1 stop15h 13mAmerican Airlines
Wed 10/154:40 pmMAD - GRB
1 stop13h 50mAmerican Airlines
Deal found 7/30$717
This Lufthansa deal was found by Cheapflights users on 7/29. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/211:20 pmGRB - MAD
2 stops27h 30mLufthansa
Fri 11/286:05 amMAD - GRB
2 stops17h 41mLufthansa
Deal found 7/29$840
This Ovago deal was found by Cheapflights users on 7/29. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/306:19 pmGRB - MAD
1 stop12h 06mBritish Airways
Wed 8/68:40 pmMAD - GRB
2 stops28h 16mBritish Airways
Deal found 7/29$1,295
This Mytrip deal was found by Cheapflights users on 7/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/307:00 amGRB - MAD
3 stops18h 20mMultiple Airlines
Wed 8/66:00 amMAD - GRB
2 stops17h 48mMultiple Airlines
Deal found 7/29$2,810

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated July 30, 2025.
Use the filters below to find and compare flights from Green Bay to Madrid that are best for you.

Fly from

Green Bay

Fly to

Madrid

Route

Depart

Return

Price

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

$656

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

$717

Green BayMadrid

GRB - MAD

GRBMAD

Green Bay Austin-Straubel

Fri 11/21

1:20 pm-11:50 pm

2 stops27h 30m

Madrid Barajas

Fri 11/28

6:05 am-4:46 pm

2 stops17h 41m

$840

Green BayMadrid

GRB - MAD

GRBMAD

Green Bay Austin-Straubel

Sat 9/13

1:22 pm-10:55 am

2 stops14h 33m

Madrid Barajas

Sat 9/20

12:55 pm-4:50 pm

3 stops34h 55m

$5,319

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Best time to book a flight from Green Bay to Madrid

Have a flexible travel schedule? Discover the best time to fly to Madrid 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 Madrid

Get insights into the airlines that provide service to Madrid. 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 Madrid. Reviews last updated July 30, 2025.
See what other customers who have flown with United Airlines, American Airlines, and Lufthansa from Green Bay to Madrid have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,896 reviews

Overall

7.4

Crew

8.1

Food

6.6

Boarding

7.7

Comfort

7.3

Entertainment

7.1

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
8,896 reviews
United Airlines
7.4
Good
8,896 reviews

Overall

7.4

Crew

8.1

Food

6.6

Boarding

7.7

Comfort

7.3

Entertainment

7.1

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??
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,896 reviews

Overall

7.4

Crew

8.1

Food

6.6

Boarding

7.7

Comfort

7.3

Entertainment

7.1

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??
Lufthansa
6.8
Okay
7,269 reviews
United Airlines
7.4
Good
8,896 reviews

Overall

7.4

Crew

8.1

Food

6.6

Boarding

7.7

Comfort

7.3

Entertainment

7.1

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 Madrid. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Green Bay to Madrid round-trip?

    Flying on United Airlines is currently your cheapest option to Madrid, with prices starting at $656. Additional round-trip tickets that might be worth considering are offered by American Airlines and Lufthansa, with the lowest prices starting at $717 and $840, respectively.

  • Can I find deals for flights from Green Bay to Madrid that include hotel bookings?

    Yes. In addition to deals on Green Bay to Madrid flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Green Bay to Madrid?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Green Bay to Madrid.

  • Can I find deals for business class flights from Green Bay to Madrid?

    Yes. Cheapflights offers flight deals from Green Bay to Madrid 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 Madrid?

    Currently, November is the cheapest month in which you can book a flight from Green Bay to Madrid (average of $543). Flying from Green Bay to Madrid in June is currently the most expensive (average of $1,052). 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

Traveling to a place near Madrid?

Book flights to Madrid if you plan to visit one of these locations
Segovia
Fuenlabrada

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