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$575+ Cheap flights from Green Bay (GRB) to Istanbul

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 1/23. Fares are subject to change and may not be available on all flights or dates of travel.
GRB — IST
ene. 11 — ene. 181
dom. 1/11
dom. 1/18
1 adult, Economy
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Cheap flight deals from Green Bay to Istanbul

Best flights from Green Bay to Istanbul
Discover carefully curated flight deals from Green Bay to Istanbul that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated diciembre 12, 2025.

This United Airlines deal was found by Cheapflights users on 12/11. 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.
lun. 2/26:31 amGRB - IST
2 stops26h 24mUnited Airlines
lun. 2/96:30 amIST - GRB
2 stops21h 33mUnited Airlines
Deal found 12/11$575
This American Airlines deal was found by Cheapflights users on 12/11. 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.
lun. 2/26:00 amGRB - IST
2 stops26h 30mAmerican Airlines
lun. 2/98:15 amIST - GRB
3 stops22h 57mAmerican Airlines
Deal found 12/11$778
This United Airlines deal was found by Cheapflights users on 12/9. 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.
vie. 1/233:42 pmGRB - IST
2 stops17h 23mUnited Airlines
mar. 1/276:30 amIST - GRB
2 stops16h 32mUnited Airlines
Deal found 12/9$575

Find flight deals from Green Bay to Istanbul

Discover tips and strategies to find the most affordable flight options for your journey from Green Bay (GRB) to Istanbul (TR5). 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 diciembre 12, 2025.

Round-trip from

$575
(United Airlines)
From Green Bay Austin-Straubel to Istanbul
Search Deals

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 diciembre 12, 2025.
Use the filters below to find and compare flights from Green Bay to Istanbul 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

lun. 2/2

6:31 am-5:55 pm

2 stops26h 24m

Istanbul

lun. 2/9

6:30 am-7:03 pm

2 stops21h 33m

$575

Green BayIstanbul

GRB - IST

GRBIST

Green Bay Austin-Straubel

vie. 1/23

3:42 pm-6:05 pm

2 stops17h 23m

Istanbul

mar. 1/27

6:30 am-2:02 pm

2 stops16h 32m

$575

Green BayIstanbul

GRB - IST

GRBIST

Green Bay Austin-Straubel

lun. 2/2

6:00 am-5:30 pm

2 stops26h 30m

Istanbul

lun. 2/9

8:15 am-10:12 pm

3 stops22h 57m

$778

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

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.

Cheapflights Insights

Everything you need to know about your flight from Green Bay to Istanbul
No data available for this route at this time. Please check back soon.

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 diciembre 12, 2025.
Read reviews from past customers who have flown British Airways from Green Bay to Istanbul. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
British Airways
6.7
Okay
7,571 reviews

Food

6.4

Boarding

6.9

Entertainment

6.4

Overall

6.7

Comfort

6.7

Crew

7.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

IAD - LHR

The plane had to load and unload passengers not through a jet way but out on the tarmac at Heathrow. The steps were steep. We weren't expecting to have to carry our luggage up and down stairs.
British Airways
6.7
Okay
7,571 reviews
British Airways
6.7
Okay
7,571 reviews

Food

6.4

Boarding

6.9

Entertainment

6.4

Overall

6.7

Comfort

6.7

Crew

7.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

IAD - LHR

The plane had to load and unload passengers not through a jet way but out on the tarmac at Heathrow. The steps were steep. We weren't expecting to have to carry our luggage up and down stairs.

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?

    For a flight from Green Bay to Istanbul, you will be flying from Austin-Straubel. Green Bay Austin-Straubel (GRB) is just 5.9 mi from the center of the city. Austin-Straubel is the only Green Bay airport and it handles 0 outbound flights to Istanbul per day. 1 airline has flights to Istanbul from Green Bay Austin-Straubel on a regular basis.

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

    Airlines like United Airlines fly from Green Bay to Istanbul in about 17h 23m. The time it takes to get you to your destination can typically vary by up to . The distance between Green Bay and Istanbul is about 5337 mi.

  • 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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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 diciembre 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$635Average$689FlexibilityNo cancel feeOn-time70%

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