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Otopeni Intl

$562+ Cheap flights from Green Bay (GRB) to Otopeni Intl (OTP)

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 1/22. Fares are subject to change and may not be available on all flights or dates of travel.
GRB — OTP
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap flight deals from Green Bay to Otopeni Intl

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

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.
Thu 1/2210:42 amGRB - OTP
2 stops29h 08mUnited Airlines
Mon 1/265:55 amOTP - GRB
2 stops16h 07mUnited Airlines
Deal found 12/9$562

Find flight deals from Green Bay to Otopeni Intl

Discover tips and strategies to find the most affordable flight options for your journey from Green Bay (GRB) to Otopeni Intl (OTP). 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 December 12, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Ovago
2 stars

Round-trip from

$562
(United Airlines)
Provider with most accurate pricing for Green Bay Austin-Straubel-Bucharest Otopeni Intl flight deals.
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Provider most trusted by Cheapflights users for Green Bay Austin-Straubel-Bucharest Otopeni Intl flights.
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From Green Bay Austin-Straubel to Bucharest Otopeni Intl
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Green Bay to Otopeni Intl 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 12, 2025.
Use the filters below to find and compare flights from Green Bay to Bucharest Otopeni Intl Airport that are best for you.

Fly from

Green Bay

Fly to

Otopeni Intl

Route

Depart

Return

Price

Green BayBucharest

GRB - OTP

GRBOTP

Green Bay Austin-Straubel

Thu 1/22

10:42 am-11:50 pm

2 stops29h 08m

Bucharest Otopeni Intl

Mon 1/26

5:55 am-2:02 pm

2 stops16h 07m

$562

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/9

Compare providers for flights from Green Bay to Otopeni Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Green Bay to Otopeni Intl in December.
ProviderPrice AccuracyTrust Score*
OvagoPrice Accuracy2 starsTrust Score*2 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Green Bay-Bucharest Otopeni Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Green Bay-Bucharest Otopeni Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Green Bay-Bucharest Otopeni Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Green Bay-Bucharest Otopeni Intl Airport flights, Cheapflights users trust Ovago the most. Ovago has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Green Bay-Bucharest Otopeni Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Green Bay to Otopeni Intl

Have a flexible travel schedule? Discover the best time to fly to Otopeni Intl 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.

Related info for your journey

Find useful and relevant information for your journey from Green Bay to Otopeni Intl. 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 Bucharest Otopeni Intl?

    For a flight from Green Bay to Bucharest Otopeni Intl, 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 Bucharest Otopeni Intl per day. 0 airlines have flights to Bucharest Otopeni Intl from Green Bay Austin-Straubel on a regular basis.

  • How long is the flight from Green Bay to Bucharest Otopeni Intl Airport?

    United Airlines can get you from Green Bay to Bucharest Otopeni Intl Airport in just under 29h 08m. Your travel time can differ by up to . There are 5078 mi between Green Bay and Bucharest Otopeni Intl Airport.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Green Bay to Otopeni Intl 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

Traveling to a place near Bucharest Otopeni Intl Airport?

Book flights to Bucharest Otopeni Intl Airport if you plan to visit one of these locations
Otopeni

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