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$742+ Cheap flights from Green Bay (GRB) to Istanbul (IST)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/30. Fares are subject to change and may not be available on all flights or dates of travel.
GRB — IST
Aug 4 — Aug 111
Mon 8/4
Mon 8/11
1 adult, Economy
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Find flight deals from Green Bay to Istanbul

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

This KLM deal was found by Cheapflights users on 7/27. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/155:30 amGRB - IST
2 stops37h 20mKLM
Mon 11/174:50 amIST - GRB
2 stops26h 08mKLM
Deal found 7/27$806
This Air France 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1511:00 amGRB - IST
2 stops31h 50mAir France
Mon 11/174:50 amIST - GRB
2 stops26h 08mAir France
Deal found 7/29$812
This American Airlines deal was found by Cheapflights users on 7/27. 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.
Sat 11/153:31 pmGRB - IST
2 stops16h 54mAmerican Airlines
Tue 11/182:55 pmIST - GRB
2 stops37h 27mAmerican Airlines
Deal found 7/27$1,260
This British Airways deal was found by Cheapflights users on 7/28. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/153:31 pmGRB - IST
2 stops16h 54mBritish Airways
Tue 11/186:40 pmIST - GRB
2 stops36h 18mBritish Airways
Deal found 7/28$1,262

Cheapflights Fare Finder

 
Customize your flight search to find flights from Green Bay to Istanbul 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 Istanbul Airport that are best for you.

Fly from

Green Bay

Fly to

Istanbul

Route

Depart

Return

Price

Green BayIstanbul

GRB - IST

GRBIST

Green Bay Austin-Straubel

Sat 11/15

5:30 am-3:50 am

2 stops37h 20m

Istanbul

Mon 11/17

4:50 am-9:58 pm

2 stops26h 08m

$806

Green BayIstanbul

GRB - IST

GRBIST

Green Bay Austin-Straubel

Sat 11/15

11:00 am-3:50 am

2 stops31h 50m

Istanbul

Mon 11/17

4:50 am-9:58 pm

2 stops26h 08m

$812

Green BayIstanbul

GRB - IST

GRBIST

Green Bay Austin-Straubel

Sat 11/15

3:31 pm-5:25 pm

2 stops16h 54m

Istanbul

Tue 11/18

2:55 pm-7:22 pm

2 stops37h 27m

$1,260

Green BayIstanbul

GRB - IST

GRBIST

Green Bay Austin-Straubel

Sat 11/15

3:31 pm-5:25 pm

2 stops16h 54m

Istanbul

Tue 11/18

6:40 pm-9:58 pm

2 stops36h 18m

$1,262

Green BayIstanbul

GRB - IST

GRBIST

Green Bay Austin-Straubel

Tue 9/30

4:35 pm-4:30 pm

2 stops15h 55m

$742

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Best time to book a flight from Green Bay to Istanbul

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

Get insights into the airlines that provide service to Istanbul. 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 Istanbul. Reviews last updated July 30, 2025.
See what other customers who have flown with British Airways from Green Bay to Istanbul Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
British Airways
6.6
Okay
7,217 reviews

Boarding

6.9

Crew

7.6

Food

6.3

Overall

6.6

Comfort

6.7

Entertainment

6.4

Reviews

1 / 20
4.0
Okay

Anonymous,May 2025

LAX - LHR

Entertainment system did not work. Seems like Wi-Fi should have been comped at hat point. Boarding at Marco Polo in Venice was terrible. Insisted on gate checking our bag but not others! Connection was confused and flight was very late.
British Airways
6.6
Okay
7,217 reviews
British Airways
6.6
Okay
7,217 reviews

Boarding

6.9

Crew

7.6

Food

6.3

Overall

6.6

Comfort

6.7

Entertainment

6.4

Reviews

1 / 20
4.0
Okay

Anonymous,May 2025

LAX - LHR

Entertainment system did not work. Seems like Wi-Fi should have been comped at hat point. Boarding at Marco Polo in Venice was terrible. Insisted on gate checking our bag but not others! Connection was confused and flight was very late.

Related info for your journey

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

    If you book a flight to Istanbul from Green Bay, you will be flying from Austin-Straubel, which is the city’s only airport. Green Bay Austin-Straubel (GRB) is located 5.9 mi from the center of Green Bay. There are 0 flights from Austin-Straubel to Istanbul per day from 1 airline.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Green Bay to Istanbul 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 Istanbul Airport?

    Currently, November is the cheapest month in which you can book a flight from Green Bay to Istanbul Airport (average of $923). Flying from Green Bay to Istanbul Airport in June is currently the most expensive (average of $1,359). 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 Istanbul Airport?

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Yalova

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Top airline flying from Green Bay to Istanbul

Discover the top airline that operate flights from Green Bay to Istanbul. 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 July 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$960Average$1,181FlexibilityNo cancel feeOn-time69%

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