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Cheap flights from Green Bay to Southeast Europe from $503

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 Southeast Europe departing on 1/30. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Green Bay to Southeast Europe

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
10:42 am - 12:55 pm
GRB
-
ATH
18h 13m2 stops
United Airlines Logo
6:25 am - 4:47 pm
ATH
-
GRB
18h 22m2 stops
$503United Airlines
Fri, Jan 30 - Tue, Feb 3
United Airlines Logo
6:31 am - 4:35 pm
GRB
-
ATH
26h 04m2 stops
United Airlines Logo
6:25 am - 9:31 pm
ATH
-
GRB
23h 06m2 stops
$514United Airlines
Fri, Jan 30 - Tue, Feb 3
United Airlines Logo
10:42 am - 2:05 pm
GRB
-
OTP
19h 23m2 stops
United Airlines Logo
5:55 am - 4:47 pm
OTP
-
GRB
18h 52m2 stops
$563United Airlines
Thu, Jan 22 - Mon, Jan 26
United Airlines Logo
3:42 pm - 1:50 pm
GRB
-
ZAG
15h 08m2 stops
United Airlines Logo
6:15 am - 7:03 pm
ZAG
-
GRB
19h 48m2 stops
$575United Airlines
Thu, Jan 29 - Mon, Feb 2
United Airlines Logo
8:20 am - 1:50 pm
GRB
-
ZAG
22h 30m2 stops
United Airlines Logo
2:35 pm - 7:03 pm
ZAG
-
GRB
35h 28m2 stops
$595United Airlines
Wed, Feb 4 - Sun, Feb 8
Lufthansa Logo
1:10 pm - 2:55 pm
GRB
-
ATH
17h 45m2 stops
Lufthansa Logo
6:25 am - 4:43 pm
ATH
-
GRB
18h 18m2 stops
$1,518Lufthansa
Thu, May 28 - Sat, Jun 6
Lufthansa Logo
1:10 pm - 10:35 am
GRB
-
ATH
13h 25m1 stop
Lufthansa Logo
12:35 pm - 9:14 pm
ATH
-
GRB
16h 39m1 stop
$1,537Lufthansa
Thu, May 28 - Sat, Jun 6
British Airways Logo
3:00 pm - 11:10 am
GRB
-
ATH
12h 10m1 stop
British Airways Logo
11:05 am - 6:07 pm
ATH
-
GRB
15h 02m1 stop
$1,827British Airways
Wed, Jun 3 - Mon, Aug 24
Multiple Airlines Logo
3:00 pm - 11:10 am
GRB
-
ATH
12h 10m1 stop
Multiple Airlines Logo
11:05 am - 5:40 pm
ATH
-
GRB
14h 35m1 stop
$1,939Multiple Airlines
Sat, Jun 6 - Fri, Jun 26
British Airways Logo
6:32 pm - 6:55 pm
GRB
-
ATH
16h 23m2 stops
British Airways Logo
11:05 am - 6:07 pm
ATH
-
GRB
15h 02m1 stop
$1,953British Airways
Wed, Jun 3 - Mon, Aug 24

United Airlines flights from Green Bay to Southeast Europe

Our best United Airlines deals on Green Bay to Southeast Europe flight tickets
United Airlines
Jan 30
GRB10:42 amGreen Bay Austin-Straubel
18h 13m
2 stops
ATH12:55 pmAthens Eleftherios V.
Feb 3
ATH6:25 amAthens Eleftherios V.
18h 22m
2 stops
GRB4:47 pmGreen Bay Austin-Straubel
$503
Find similar
United Airlines
Jan 30
GRB6:31 amGreen Bay Austin-Straubel
26h 04m
2 stops
ATH4:35 pmAthens Eleftherios V.
Feb 3
ATH6:25 amAthens Eleftherios V.
23h 06m
2 stops
GRB9:31 pmGreen Bay Austin-Straubel
$514
Find similar
United Airlines
Jan 22
GRB10:42 amGreen Bay Austin-Straubel
19h 23m
2 stops
OTP2:05 pmBucharest Otopeni Intl
Jan 26
OTP5:55 amBucharest Otopeni Intl
18h 52m
2 stops
GRB4:47 pmGreen Bay Austin-Straubel
$563
Find similar

Lufthansa flights from Green Bay to Southeast Europe

Our best Lufthansa deals on Green Bay to Southeast Europe flight tickets
Lufthansa
May 28
GRB1:10 pmGreen Bay Austin-Straubel
17h 45m
2 stops
ATH2:55 pmAthens Eleftherios V.
Jun 6
ATH6:25 amAthens Eleftherios V.
18h 18m
2 stops
GRB4:43 pmGreen Bay Austin-Straubel
$1,518
Find similar
Lufthansa
May 28
GRB1:10 pmGreen Bay Austin-Straubel
13h 25m
1 stop
ATH10:35 amAthens Eleftherios V.
Jun 6
ATH12:35 pmAthens Eleftherios V.
16h 39m
1 stop
GRB9:14 pmGreen Bay Austin-Straubel
$1,537
Find similar
Lufthansa
May 28
GRB1:10 pmGreen Bay Austin-Straubel
13h 25m
1 stop
ATH10:35 amAthens Eleftherios V.
Jun 6
ATH6:00 amAthens Eleftherios V.
18h 43m
2 stops
GRB4:43 pmGreen Bay Austin-Straubel
$1,542
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Green Bay to Southeast Europe 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 December 22, 2025.
Use the filters below to find and compare flights from Green Bay to Southeast Europe that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Green BayAthens

GRB - ATH

GRBATH

Green Bay Austin-Straubel

Fri 1/30

10:42 am-12:55 pm

2 stops18h 13m

Athens Eleftherios V.

Tue 2/3

6:25 am-4:47 pm

2 stops18h 22m

$503

Green BayAthens

GRB - ATH

GRBATH

Green Bay Austin-Straubel

Fri 1/30

6:31 am-4:35 pm

2 stops26h 04m

Athens Eleftherios V.

Tue 2/3

6:25 am-9:31 pm

2 stops23h 06m

$514

Green BayBucharest

GRB - OTP

GRBOTP

Green Bay Austin-Straubel

Thu 1/22

10:42 am-2:05 pm

2 stops19h 23m

Bucharest Otopeni Intl

Mon 1/26

5:55 am-4:47 pm

2 stops18h 52m

$563

Green BayZagreb

GRB - ZAG

GRBZAG

Green Bay Austin-Straubel

Thu 1/29

3:42 pm-1:50 pm

2 stops15h 08m

Zagreb Franjo Tuđman

Mon 2/2

6:15 am-7:03 pm

2 stops19h 48m

$575

Green BayZagreb

GRB - ZAG

GRBZAG

Green Bay Austin-Straubel

Wed 2/4

8:20 am-1:50 pm

2 stops22h 30m

Zagreb Franjo Tuđman

Sun 2/8

2:35 pm-7:03 pm

2 stops35h 28m

$595

Green BayAthens

GRB - ATH

GRBATH

Green Bay Austin-Straubel

Thu 5/28

1:10 pm-2:55 pm

2 stops17h 45m

Athens Eleftherios V.

Sat 6/6

6:25 am-4:43 pm

2 stops18h 18m

$1,518

Green BayAthens

GRB - ATH

GRBATH

Green Bay Austin-Straubel

Thu 5/28

1:10 pm-10:35 am

1 stop13h 25m

Athens Eleftherios V.

Sat 6/6

12:35 pm-9:14 pm

1 stop16h 39m

$1,537

Green BayAthens

GRB - ATH

GRBATH

Green Bay Austin-Straubel

Wed 6/3

3:00 pm-11:10 am

1 stop12h 10m

Athens Eleftherios V.

Mon 8/24

11:05 am-6:07 pm

1 stop15h 02m

$1,827

Green BayAthens

GRB - ATH

GRBATH

Green Bay Austin-Straubel

Sat 6/6

3:00 pm-11:10 am

1 stop12h 10m

Athens Eleftherios V.

Fri 6/26

11:05 am-5:40 pm

1 stop14h 35m

$1,939

Green BayAthens

GRB - ATH

GRBATH

Green Bay Austin-Straubel

Wed 6/3

6:32 pm-6:55 pm

2 stops16h 23m

Athens Eleftherios V.

Mon 8/24

11:05 am-6:07 pm

1 stop15h 02m

$1,953

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Southeast Europe from

How to get the cheapest flight ticket from Green Bay to Southeast Europe

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Southeast Europe?

On average, the least expensive day to fly to Southeast Europe from Green Bay is on a Friday. momondo users have found tickets for Friday departures for as low as $1,241. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Tuesday, the most expensive travel day of the week, you can expect to see flight prices from Green Bay to Southeast Europe for around $1,499.

What is the cheapest time of day to depart on your flight to Southeast Europe?

Our most recent data shows that the best time of day to fly to Southeast Europe is in the afternoon. Flights from Green Bay to Southeast Europe during this time can be as low as $1,379. In contrast, the most expensive time of day to depart to Southeast Europe is in the morning when prices are around $1,440.

Can stopping save me money on Green Bay to Southeast Europe flights?

No. A direct flight is the cheapest option for a flight between Green Bay to Southeast Europe.

Cheap Green Bay to Southeast Europe flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Green Bay to Southeast Europe

Fastest flight time

12h 10m

Direct flights

None
The fastest flight from Green Bay to Southeast Europe takes 12h 10m
There are no direct flights from Green Bay to Southeast Europe. There are no popular flight routes from Green Bay to Southeast Europe.
Search flight deals

  • When did momondo last update prices for flights from Green Bay Austin-Straubel Airport to Southeast Europe?

    Prices for flights from Green Bay Austin-Straubel Airport to Southeast Europe refresh daily.

  • How many operators does momondo search for flights from Green Bay Austin-Straubel Airport to Southeast Europe?

  • How old do you have to be to fly from Green Bay Austin-Straubel Airport to Southeast Europe?

    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 Southeast Europe.

  • What documentation or ID do you need to fly to Southeast Europe?

    The travel and health documents you'll need for your trip to Southeast Europe may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Southeast Europe. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Green Bay to Southeast Europe?

Best airlines flying from Green Bay to Southeast Europe

Compare and see reviews for airlines that fly from Green Bay to Southeast Europe with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $710Free CancellationRating
7.4
9,102 reviews
Search United Airlines flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Green Bay to Southeast Europe. Millions of users trust and use momondo every year so you are in good hands.

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

momondo does allow users to show only those flights to Southeast Europe from Green Bay which offer a flexible booking policy as well as other useful filters and features.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Green Bay to Southeast Europe.

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

If you are simply researching potential flights to Southeast Europe, momondo offers a useful price alert feature which will track prices for flights to Southeast Europe from Green Bay and alert you when they change.

An easier way to manage your Southeast Europe trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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