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$1,049+ 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 2/4. Fares are subject to change and may not be available on all flights or dates of travel.
GRB — IST
Mar 3 — Mar 101
Tue 3/3
Tue 3/10
1 adult, Economy
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Cheap 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 February 1, 2026.

This United Airlines deal was found by Cheapflights users on 1/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/48:20 am
GRB
-
IST
2 stops24h 45m
United Airlines
Sun 2/86:30 am
IST
-
GRB
2 stops19h 17m
United Airlines
Deal found 1/29$1,049
This Cheapflightsfares deal was found by Cheapflights users on 1/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/11:11 pm
GRB
-
IST
2 stops15h 49m
Multiple Airlines
Wed 6/107:35 am
IST
-
GRB
2 stops17h 16m
Multiple Airlines
Deal found 1/30$4,353

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 February 1, 2026.

Round-trip from

$4,353
(Cheapflightsfares)
From Green Bay Austin-Straubel to Istanbul
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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 February 1, 2026.
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

Mon 6/1

1:11 pm-1:00 pm

2 stops15h 49m

Istanbul

Wed 6/10

7:35 am-4:51 pm

2 stops17h 16m

$4,353

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/30

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.

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 February 1, 2026.
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
7,706 reviews

Comfort

6.8

Food

6.4

Entertainment

6.4

Overall

6.7

Boarding

6.9

Crew

7.6

Reviews

1 / 20
8.0
Excellent

Lakshmi,Dec 2025

SFO - LHR

I had a great time on the flight with good entertainment and food. The staff was awesome. The only thing was there was a delay in boarding and takeoff from London. However, I was pleasantly surprised when the airline sent an apology for the few later landing in Mumbai. They did not have WiFi on board on the leg from London to Mumbai but that was okay for me. On the first leg from SF to London, a couple of seats ahead of me had issues with their display so they could not watch anything on their screens although the stewardess gas be them an option to use the WiFi on their devices. This did not affect me, however, so that was cool. I would recommend British Airways. This was my first time flying with them and I had a lovely flight.
British Airways
6.7
Okay
7,706 reviews
British Airways
6.7
Okay
7,706 reviews

Comfort

6.8

Food

6.4

Entertainment

6.4

Overall

6.7

Boarding

6.9

Crew

7.6

Reviews

1 / 20
8.0
Excellent

Lakshmi,Dec 2025

SFO - LHR

I had a great time on the flight with good entertainment and food. The staff was awesome. The only thing was there was a delay in boarding and takeoff from London. However, I was pleasantly surprised when the airline sent an apology for the few later landing in Mumbai. They did not have WiFi on board on the leg from London to Mumbai but that was okay for me. On the first leg from SF to London, a couple of seats ahead of me had issues with their display so they could not watch anything on their screens although the stewardess gas be them an option to use the WiFi on their devices. This did not affect me, however, so that was cool. I would recommend British Airways. This was my first time flying with them and I had a lovely flight.

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.

  • 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

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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 February 1, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$635Average$689FlexibilityNo cancel feeOn-time70%

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