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Cheap flights from Green Bay to Bucharest from $589

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Green Bay to Bucharest departing on 5/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Green Bay to Bucharest

Cheap round-trip flights

Enter your travel dates to find the best prices.
Lufthansa Logo
1:15 pm - 12:00 pm
GRB
-
OTP
14h 45m
2 stops
Lufthansa Logo
1:45 pm - 10:43 pm
OTP
-
GRB
16h 58m
2 stops
$589Lufthansa
Thu, May 7 - Wed, May 13
Lufthansa Logo
8:00 pm - 11:20 pm
GRB
-
OTP
19h 20m
2 stops
Lufthansa Logo
1:45 pm - 10:38 pm
OTP
-
GRB
16h 53m
2 stops
$602Lufthansa
Thu, May 7 - Wed, May 13
Lufthansa Logo
1:15 pm - 12:00 pm
GRB
-
OTP
14h 45m
2 stops
Lufthansa Logo
6:05 am - 9:26 pm
OTP
-
GRB
23h 21m
2 stops
$637Lufthansa
Thu, May 7 - Wed, May 13
Lufthansa Logo
12:34 pm - 12:00 pm
GRB
-
OTP
15h 26m
2 stops
Lufthansa Logo
12:45 pm - 9:27 pm
OTP
-
GRB
16h 42m
2 stops
$1,345Lufthansa
Fri, Jul 31 - Mon, Aug 10
Lufthansa Logo
12:34 pm - 12:00 pm
GRB
-
OTP
15h 26m
2 stops
Lufthansa Logo
12:45 pm - 9:27 pm
OTP
-
GRB
16h 42m
2 stops
$2,207Lufthansa
Sat, Aug 1 - Sat, Aug 8

Lufthansa flights from Green Bay to Bucharest Otopeni Intl Airport

Our best Lufthansa deals on Green Bay to Bucharest Otopeni Intl Airport flight tickets
Lufthansa
May 7
GRB1:15 pmGreen Bay Austin-Straubel
14h 45m
2 stops
OTP12:00 pmBucharest Otopeni Intl
May 13
OTP1:45 pmBucharest Otopeni Intl
16h 58m
2 stops
GRB10:43 pmGreen Bay Austin-Straubel
$589
Lufthansa
May 7
GRB8:00 pmGreen Bay Austin-Straubel
19h 20m
2 stops
OTP11:20 pmBucharest Otopeni Intl
May 13
OTP1:45 pmBucharest Otopeni Intl
16h 53m
2 stops
GRB10:38 pmGreen Bay Austin-Straubel
$602
Lufthansa
May 7
GRB1:15 pmGreen Bay Austin-Straubel
14h 45m
2 stops
OTP12:00 pmBucharest Otopeni Intl
May 13
OTP6:05 amBucharest Otopeni Intl
23h 21m
2 stops
GRB9:26 pmGreen Bay Austin-Straubel
$637

United Airlines flights from Green Bay to Bucharest Otopeni Intl Airport

Our best United Airlines deals on Green Bay to Bucharest Otopeni Intl Airport flight tickets
United Airlines
Feb 25
GRB5:28 pmGreen Bay Austin-Straubel
22h 27m
2 stops
OTP11:55 pmBucharest Otopeni Intl
Mar 1
OTP5:55 amBucharest Otopeni Intl
21h 02m
2 stops
GRB6:57 pmGreen Bay Austin-Straubel
$813
United Airlines
Feb 25
GRB6:30 amGreen Bay Austin-Straubel
22h 00m
2 stops
OTP12:30 pmBucharest Otopeni Intl
Mar 1
OTP5:55 amBucharest Otopeni Intl
18h 58m
2 stops
GRB4:53 pmGreen Bay Austin-Straubel
$820
United Airlines
Feb 25
GRB3:05 pmGreen Bay Austin-Straubel
39h 00m
2 stops
OTP2:05 pmBucharest Otopeni Intl
Mar 1
OTP5:55 amBucharest Otopeni Intl
23h 35m
2 stops
GRB9:30 pmGreen Bay Austin-Straubel
$868

momondo Fare Finder

 
Customize your flight search to find flights from Green Bay to Bucharest Otopeni Intl Airport 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, momondo users made 832,500 searches. Data last updated February 20, 2026.
Use the filters below to find and compare flights from Green Bay to Bucharest Otopeni Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Green BayBucharest

GRB - OTP

GRBOTP

Green Bay Austin-Straubel

Thu 5/7

1:15 pm-12:00 pm

2 stops14h 45m

Bucharest Otopeni Intl

Wed 5/13

1:45 pm-10:43 pm

2 stops16h 58m

$589

Green BayBucharest

GRB - OTP

GRBOTP

Green Bay Austin-Straubel

Thu 5/7

8:00 pm-11:20 pm

2 stops19h 20m

Bucharest Otopeni Intl

Wed 5/13

1:45 pm-10:38 pm

2 stops16h 53m

$602

Green BayBucharest

GRB - OTP

GRBOTP

Green Bay Austin-Straubel

Thu 5/7

1:15 pm-12:00 pm

2 stops14h 45m

Bucharest Otopeni Intl

Wed 5/13

6:05 am-9:26 pm

2 stops23h 21m

$637

Green BayBucharest

GRB - OTP

GRBOTP

Green Bay Austin-Straubel

Fri 7/31

12:34 pm-12:00 pm

2 stops15h 26m

Bucharest Otopeni Intl

Mon 8/10

12:45 pm-9:27 pm

2 stops16h 42m

$1,345

Green BayBucharest

GRB - OTP

GRBOTP

Green Bay Austin-Straubel

Sat 8/1

12:34 pm-12:00 pm

2 stops15h 26m

Bucharest Otopeni Intl

Sat 8/8

12:45 pm-9:27 pm

2 stops16h 42m

$2,207

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Green Bay to Bucharest Otopeni Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Green Bay to Bucharest Otopeni Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Green Bay to Bucharest Otopeni Intl Airport (GRB to OTP) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Green Bay to Bucharest Otopeni Intl Airport

Fastest flight time

14h 45m

Direct flights

None
The fastest flight from Green Bay to Bucharest Otopeni Intl Airport takes 14h 45m
There are no direct flights from Green Bay to Bucharest Otopeni Intl Airport. There are no popular flight routes from Green Bay to Bucharest Otopeni Intl Airport.
Search flight deals

  • How far is Green Bay Austin-Straubel to Bucharest Otopeni Intl by plane?

    The straight-line distance from Green Bay Austin-Straubel to Bucharest Otopeni Intl is 5072.9 mi. By plane, this route typically takes 14h 45m.

  • When did momondo last update prices for flights from Green Bay Austin-Straubel Airport to Bucharest Otopeni Intl Airport?

    Prices for flights from Green Bay Austin-Straubel Airport to Bucharest Otopeni Intl Airport were last updated today.

  • How old do you have to be to fly from Green Bay Austin-Straubel Airport to Bucharest Otopeni Intl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Green Bay Austin-Straubel Airport to Bucharest Otopeni Intl Airport.

  • What documentation or ID do you need to fly to Bucharest Otopeni Intl Airport?

    The travel and health documents required for your trip to Bucharest Otopeni Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Bucharest Otopeni Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • How do I get Price Alerts for flights from Green Bay to Bucharest Otopeni Intl Airport?

    You can take advantage of momondo’s Price Alerts by first searching for your flights to Green Bay from Bucharest Otopeni Intl Airport. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

  • How can I save money on flights from Green Bay to Bucharest Otopeni Intl Airport with momondo?

    Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

  • How does momondo find its flight prices?

    momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

Traveling to a place near Bucharest?

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

Why use momondo?

Why should I use momondo to find a flight deal from Green Bay to Bucharest?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Green Bay to Bucharest for you.

Can I find flights from Green Bay to Bucharest with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Green Bay to Bucharest flights to just show those with flexible booking policies.

How can momondo help me find flights from Green Bay to Bucharest?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Bucharest from Green Bay.

I’m not ready to book a flight from Green Bay to Bucharest right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Bucharest from Green Bay. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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