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$455+ 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 1/18. Fares are subject to change and may not be available on all flights or dates of travel.
GRB — DUB
Dec 14 — Dec 211
Sun 12/14
Sun 12/21
1 adult, Economy
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Find flight deals from Green Bay to Ireland

Cheapest flights from Green Bay to Ireland
Explore the most affordable flight options available from Green Bay to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 14, 2025.

This lastminute.com deal was found by Cheapflights users on 11/12. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/175:27 pmGRB - DUB
2 stops16h 58mLufthansa
Wed 12/35:20 pmDUB - GRB
2 stops34h 12mLufthansa
Deal found 11/12$511

Cheap 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 November 14, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$455
(United Airlines)

Popular in

February

Cheapest in

November

Average price

$503
Provider with most accurate pricing for Green Bay Austin-Straubel-Dublin flight deals.
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Provider most trusted by Cheapflights users for Green Bay Austin-Straubel-Dublin flights.
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From Green Bay Austin-Straubel to Ireland
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($62 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($32 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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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 November 14, 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

Sun 1/18

2:39 pm-8:10 am

1 stop11h 31m

Dublin

Mon 1/26

9:00 am-4:47 pm

2 stops37h 47m

$455

Green BayDublin

GRB - DUB

GRBDUB

Green Bay Austin-Straubel

Wed 3/4

7:00 am-8:45 am

2 stops19h 45m

Dublin

Sun 3/8

9:45 am-9:36 pm

1 stop16h 51m

$488

Green BayDublin

GRB - DUB

GRBDUB

Green Bay Austin-Straubel

Wed 3/4

3:05 pm-10:20 am

2 stops13h 15m

Dublin

Sun 3/8

12:05 pm-4:43 pm

2 stops33h 38m

$549

Green BayDublin

GRB - DUB

GRBDUB

Green Bay Austin-Straubel

Wed 3/4

5:12 am-7:45 am

1 stop20h 33m

Dublin

Sun 3/8

9:45 am-9:36 pm

1 stop16h 51m

$583

Green BayDublin

GRB - DUB

GRBDUB

Green Bay Austin-Straubel

Sun 3/15

6:39 pm-2:20 pm

2 stops14h 41m

Dublin

Mon 3/23

8:40 pm-5:43 pm

2 stops26h 03m

$591

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/12

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 November 14, 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
9,016 reviews

Overall

7.4

Crew

8.1

Entertainment

7.1

Comfort

7.3

Food

6.6

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
9,016 reviews
United Airlines
7.4
Good
9,016 reviews

Overall

7.4

Crew

8.1

Entertainment

7.1

Comfort

7.3

Food

6.6

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
American Airlines
7.2
Good
11,051 reviews
United Airlines
7.4
Good
9,016 reviews

Overall

7.4

Crew

8.1

Entertainment

7.1

Comfort

7.3

Food

6.6

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

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?

    United Airlines and Delta can get you from Green Bay to Ireland in just under 11h 31m. Your travel time can differ by up to 8h 14m. 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 November 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$503Average$893FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$568Average$1,060FlexibilityNo cancel feeOn-time69%

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