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$433+ Cheap flights from Green Bay (GRB) to Ireland

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 1/31. Fares are subject to change and may not be available on all flights or dates of travel.
GRB — DUB
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from Green Bay to Ireland

Best flights from Green Bay to Ireland
Discover carefully curated flight deals from Green Bay to Ireland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 18, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/315:24 pmGRB - DUB
1 stop32h 46mLufthansa
Sat 2/75:20 pmDUB - GRB
2 stops29h 27mLufthansa
Deal found 12/17$433
This United Airlines deal was found by Cheapflights users on 12/15. 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.
Thu 1/222:39 pmGRB - DUB
1 stop11h 31mUnited Airlines
Mon 1/269:00 amDUB - GRB
2 stops42h 31mUnited Airlines
Deal found 12/15$456
This Ovago deal was found by Cheapflights users on 12/16. 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.
Tue 1/1311:20 amGRB - DUB
2 stops18h 50mBritish Airways
Tue 1/208:50 amDUB - GRB
2 stops19h 24mBritish Airways
Deal found 12/16$465
This United Airlines deal was found by Cheapflights users on 12/15. 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 1/136:31 amGRB - DUB
1 stop19h 39mUnited Airlines
Sun 1/189:00 amDUB - GRB
2 stops36h 07mUnited Airlines
Deal found 12/15$456
This oojo deal was found by Cheapflights users on 12/17. 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.
Sat 1/314:53 pmGRB - DUB
2 stops20h 52mBritish Airways
Sat 2/73:10 pmDUB - GRB
2 stops37h 02mBritish Airways
Deal found 12/17$467

Find flight deals from Green Bay to Ireland

Keep the following information in mind while searching for Green Bay to Ireland flight deals. Data was last updated December 18, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$433
(Kiwi.com)

Popular in

February

Cheapest in

November
Provider with most accurate pricing for Green Bay Austin-Straubel-Dublin flight deals.
Search Deals
Provider most trusted by Cheapflights users for Green Bay Austin-Straubel-Dublin flights.
Search Deals
From Green Bay Austin-Straubel to Ireland
Search Deals
Highest demand for flights based on searches. 1% potential increase in price ($10 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($50 potential savings vs. average RT price).
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Green Bay to Ireland 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 18, 2025.
Use the filters below to find and compare flights from Green Bay to Ireland that are best for you.

Fly from

Green Bay

Fly to

Ireland

Route

Depart

Return

Price

Green BayDublin

GRB - DUB

GRBDUB

Green Bay Austin-Straubel

Sat 1/31

5:24 pm-8:10 am

1 stop32h 46m

Dublin

Sat 2/7

5:20 pm-4:47 pm

2 stops29h 27m

$433

Green BayDublin

GRB - DUB

GRBDUB

Green Bay Austin-Straubel

Thu 1/22

2:39 pm-8:10 am

1 stop11h 31m

Dublin

Mon 1/26

9:00 am-9:31 pm

2 stops42h 31m

$456

Green BayDublin

GRB - DUB

GRBDUB

Green Bay Austin-Straubel

Tue 1/13

6:31 am-8:10 am

1 stop19h 39m

Dublin

Sun 1/18

9:00 am-3:07 pm

2 stops36h 07m

$456

Green BayDublin

GRB - DUB

GRBDUB

Green Bay Austin-Straubel

Tue 1/13

11:20 am-12:10 pm

2 stops18h 50m

Dublin

Tue 1/20

8:50 am-10:14 pm

2 stops19h 24m

$465

Green BayDublin

GRB - DUB

GRBDUB

Green Bay Austin-Straubel

Sat 1/31

4:53 pm-7:45 pm

2 stops20h 52m

Dublin

Sat 2/7

3:10 pm-10:12 pm

2 stops37h 02m

$467

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Best time to book a flight from Green Bay to Ireland

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

What is the cheapest month to book a flight from Green Bay to Ireland?

Currently, November is the cheapest month in which you can book a flight from Green Bay to Ireland (average of $503). Flying from Green Bay to Ireland in June is currently the most expensive (average of $1,071). 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.

Reviews of airlines servicing Ireland

Get insights into the airlines that provide service to Ireland. 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 Ireland. Reviews last updated December 18, 2025.
See what other customers who have flown with United Airlines and American Airlines from Green Bay to Ireland 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
9,091 reviews

Entertainment

7.1

Food

6.6

Crew

8.1

Boarding

7.7

Overall

7.4

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Kevin,Dec 2025

BOS - EWR

Seems like every United flight has a delay and it’s always someone else’s fault. Step up and take some accountability
United Airlines
7.4
Good
9,091 reviews
United Airlines
7.4
Good
9,091 reviews

Entertainment

7.1

Food

6.6

Crew

8.1

Boarding

7.7

Overall

7.4

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Kevin,Dec 2025

BOS - EWR

Seems like every United flight has a delay and it’s always someone else’s fault. Step up and take some accountability
American Airlines
7.2
Good
11,054 reviews
United Airlines
7.4
Good
9,091 reviews

Entertainment

7.1

Food

6.6

Crew

8.1

Boarding

7.7

Overall

7.4

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Kevin,Dec 2025

BOS - EWR

Seems like every United flight has a delay and it’s always someone else’s fault. Step up and take some accountability

Related info for your journey

Find useful and relevant information for your journey from Green Bay to Ireland. 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 Ireland?

    Located just 5.9 mi from the city center, Green Bay Austin-Straubel (GRB) is the airport most travelers will use when flying to Ireland from Green Bay.

  • How long is the flight from Green Bay to Ireland?

    Lufthansa and United Airlines can get you from Green Bay to Ireland in just under 11h 31m. Your travel time can differ by up to 21h 15m. Airlines will cover a distance of 3554 mi. This flight may include one or multiple stops.

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from Green Bay to Ireland (average of $503). Flying from Green Bay to Ireland in June is currently the most expensive (average of $1,071). 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

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Top 2 airlines flying from Green Bay to Ireland

Discover the top 2 airlines that operate flights from Green Bay to Ireland. 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 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$503Average$890FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$568Average$1,117FlexibilityNo cancel feeOn-time69%

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