$468 Cheap Flights from Green Bay (GRB) to Athens (ATH)

View $468 flight on Mon, Oct 20, 2025Opens in a new window

Popular airlines from Green Bay Austin Straubel Intl. Airport (GRB) to Athens Intl. Airport (ATH)

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Cheap Flights from Green Bay to Athens (GRB-ATH)

Prices were available within the past 7 days and start at $468 for one-way flights and $603 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, Nov 5 - Thu, Nov 27
GRB
Green Bay
ATH
Athens
$603 Roundtrip, found 2 days ago
$603
Roundtrip
found 2 days ago
Select United flight, departing Wed, Nov 5 from Green Bay to Athens, returning Thu, Nov 27, priced at $603 found 2 days ago
United
Sun, Nov 16 - Tue, Dec 2
GRB
Green Bay
ATH
Athens
$603 Roundtrip, found 2 days ago
$603
Roundtrip
found 2 days ago
Select United flight, departing Sun, Nov 16 from Green Bay to Athens, returning Tue, Dec 2, priced at $603 found 2 days ago
United
Mon, Nov 10 - Thu, Nov 27
GRB
Green Bay
ATH
Athens
$607 Roundtrip, found 2 days ago
$607
Roundtrip
found 2 days ago
Select United flight, departing Mon, Nov 10 from Green Bay to Athens, returning Thu, Nov 27, priced at $607 found 2 days ago
United
Wed, Nov 5 - Wed, Nov 26
GRB
Green Bay
ATH
Athens
$610 Roundtrip, found 2 days ago
$610
Roundtrip
found 2 days ago
Select United flight, departing Wed, Nov 5 from Green Bay to Athens, returning Wed, Nov 26, priced at $610 found 2 days ago
United
Sun, Nov 2 - Thu, Nov 20
GRB
Green Bay
ATH
Athens
$614 Roundtrip, found 2 days ago
$614
Roundtrip
found 2 days ago
Select United flight, departing Sun, Nov 2 from Green Bay to Athens, returning Thu, Nov 20, priced at $614 found 2 days ago
United
Mon, Nov 10 - Wed, Nov 26
GRB
Green Bay
ATH
Athens
$615 Roundtrip, found 2 days ago
$615
Roundtrip
found 2 days ago
Select United flight, departing Mon, Nov 10 from Green Bay to Athens, returning Wed, Nov 26, priced at $615 found 2 days ago
Delta
Mon, Oct 13 - Wed, Nov 5
GRB
Green Bay
ATH
Athens
$621 Roundtrip, found 3 days ago
$621
Roundtrip
found 3 days ago
Select Delta flight, departing Mon, Oct 13 from Green Bay to Athens, returning Wed, Nov 5, priced at $621 found 3 days ago
British Airways
Wed, Mar 11 - Wed, Mar 25
GRB
Green Bay
ATH
Athens
$628 Roundtrip, found 7 hours ago
$628
Roundtrip
found 7 hours ago
Select British Airways flight, departing Wed, Mar 11 from Green Bay to Athens, returning Wed, Mar 25, priced at $628 found 7 hours ago
Virgin Atlantic
Sat, Nov 15 - Thu, Dec 4
GRB
Green Bay
ATH
Athens
$636 Roundtrip, found 2 days ago
$636
Roundtrip
found 2 days ago
Select Virgin Atlantic flight, departing Sat, Nov 15 from Green Bay to Athens, returning Thu, Dec 4, priced at $636 found 2 days ago
Lufthansa
Tue, Oct 28 - Thu, Nov 13
GRB
Green Bay
ATH
Athens
$644 Roundtrip, found 2 days ago
$644
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Tue, Oct 28 from Green Bay to Athens, returning Thu, Nov 13, priced at $644 found 2 days ago
Flights from Green Bay (GRB) to Athens (ATH)
Origin airport
Austin Straubel Intl.
Destination airport
Eleftherios Venizelos
Airlines serving
Air France, American Airlines, British Airways, Delta, KLM, Lufthansa, United, Virgin Atlantic
Roundtrip price
$602
Distance
5342 mi

Green Bay to Athens Flights

The cheapest times to fly from Green Bay to Athens

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Green Bay to Athens are during the month of November. You can find some of the cheapest flights from Green Bay to Athens with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Green Bay to Athens

Sunday is one of the best days to book for cheap flights from Green Bay to Athens: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Green Bay to Athens

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Green Bay to Athens in 2025. You can also book with separate airlines for your outbound and return journeys, from $468 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Green Bay to Athens flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Green Bay to Athens airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Austin Straubel Intl. Airport (GRB) to Eleftherios Venizelos Airport (ATH) cost?
Discover the latest flight deals from GRB to ATH by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from GRB to ATH?
The cheapest flights from GRB to ATH are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from GRB to ATH?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from GRB to ATH. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Austin Straubel Intl. Airport (GRB) to Eleftherios Venizelos Airport (ATH)?
You'll have to catch a flight with a layover if you're traveling from Austin Straubel Intl. Airport (GRB) to Eleftherios Venizelos Airport (ATH). There are no daily direct flights on this route. However, just filter your search to include one or two stops to discover an option that works for you.
What day of the week has the most flights from GRB to ATH?
You'll typically find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Austin Straubel Intl. Airport (GRB) to Eleftherios Venizelos Airport (ATH)?
To avoid possible delays on the Austin Straubel Intl. Airport (GRB) to Eleftherios Venizelos Airport (ATH) route, aim to fly before 3 PM. Later departures have a 22% higher chance of cancellation.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Austin Straubel Intl. Airport (GRB) to Eleftherios Venizelos Airport (ATH) last-minute?
Booking your plane ticket from GRB to ATH right before your getaway is typically more expensive. But if there's some wiggle room with your travel dates and times, you could score a cheap last-minute fare.
Is it cheaper to book a GRB to ATH flight and hotel package?
You'll generally save money by securing a GRB to ATH flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one place. After choosing your preferred accommodations and flights, consider adding extras such as car rentals, activities and tours.
Can I cancel or change the date of my flight from Austin Straubel Intl. Airport (GRB) to Eleftherios Venizelos Airport (ATH)?
You can usually cancel or reschedule your GRB to ATH flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find more information on our Customer Service portal.

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*Available to One Key members.