$975 Cheap Flights from Guam (GUM) to Athens (ATH)

View $975 flight on Fri, Dec 19, 2025Opens in a new window

Popular airlines from Barrigada - A.B. Won Pat International Airport (GUM) to Athens Intl. Airport (ATH)

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Cheap Flights from Guam to Athens (GUM-ATH)

Prices were available within the past 7 days and start at $975 for one-way flights and $1,850 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Korean Air
Wed, Sep 17 - Mon, Sep 29
GUM
Guam
ATH
Athens
$1,850 Roundtrip, found 4 days ago
$1,850
Roundtrip
found 4 days ago
Select Korean Air flight, departing Wed, Sep 17 from Guam to Athens, returning Mon, Sep 29, priced at $1,850 found 4 days ago
Philippine Airlines
Fri, Dec 19 - Thu, Dec 25
GUM
Guam
ATH
Athens
$1,946 Roundtrip, found 4 days ago
$1,946
Roundtrip
found 4 days ago
Select Philippine Airlines flight, departing Fri, Dec 19 from Guam to Athens, returning Thu, Dec 25, priced at $1,946 found 4 days ago
Jeju Air
Tue, Aug 26 - Thu, Sep 4
GUM
Guam
ATH
Athens
$1,976 Roundtrip, found 1 day ago
$1,976
Roundtrip
found 1 day ago
Select Jeju Air flight, departing Tue, Aug 26 from Guam to Athens, returning Thu, Sep 4, priced at $1,976 found 1 day ago
Korean Air
Tue, Sep 9 - Mon, Sep 22
GUM
Guam
ATH
Athens
$1,981 Roundtrip, found 4 days ago
$1,981
Roundtrip
found 4 days ago
Select Korean Air flight, departing Tue, Sep 9 from Guam to Athens, returning Mon, Sep 22, priced at $1,981 found 4 days ago
Korean Air
Sun, Sep 14 - Mon, Sep 29
GUM
Guam
ATH
Athens
$1,996 Roundtrip, found 4 days ago
$1,996
Roundtrip
found 4 days ago
Select Korean Air flight, departing Sun, Sep 14 from Guam to Athens, returning Mon, Sep 29, priced at $1,996 found 4 days ago
Philippine Airlines
Sat, Nov 1 - Tue, Nov 18
GUM
Guam
ATH
Athens
$2,033 Roundtrip, found 4 days ago
$2,033
Roundtrip
found 4 days ago
Select Philippine Airlines flight, departing Sat, Nov 1 from Guam to Athens, returning Tue, Nov 18, priced at $2,033 found 4 days ago
Philippine Airlines
Sun, May 24 - Sun, May 31
GUM
Guam
ATH
Athens
$2,040 Roundtrip, found 4 days ago
$2,040
Roundtrip
found 4 days ago
Select Philippine Airlines flight, departing Sun, May 24 from Guam to Athens, returning Sun, May 31, priced at $2,040 found 4 days ago
Philippine Airlines
Mon, Nov 10 - Mon, Nov 24
GUM
Guam
ATH
Athens
$2,096 Roundtrip, found 4 days ago
$2,096
Roundtrip
found 4 days ago
Select Philippine Airlines flight, departing Mon, Nov 10 from Guam to Athens, returning Mon, Nov 24, priced at $2,096 found 4 days ago
Korean Air
Mon, Sep 15 - Mon, Sep 29
GUM
Guam
ATH
Athens
$2,127 Roundtrip, found 4 days ago
$2,127
Roundtrip
found 4 days ago
Select Korean Air flight, departing Mon, Sep 15 from Guam to Athens, returning Mon, Sep 29, priced at $2,127 found 4 days ago
Japan Airlines
Wed, Aug 27 - Thu, Sep 4
GUM
Guam
ATH
Athens
$2,202 Roundtrip, found 1 day ago
$2,202
Roundtrip
found 1 day ago
Select Japan Airlines flight, departing Wed, Aug 27 from Guam to Athens, returning Thu, Sep 4, priced at $2,202 found 1 day ago

Alternative airports near Athens

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Eleftherios Venizelos ATH. Cheapest and Closest option available. Average driving time to city center is 28 minutes. Flights from $2,280
ATH
Eleftherios Venizelos
CheapestClosest
Average driving time to city center28 min
Flights from $2,280
Flights from Guam (GUM) to Athens (ATH)
Origin airport
A.B. Won Pat Intl.
Destination airport
Eleftherios Venizelos
Roundtrip price
$1,849
Distance
7218 mi

Guam to Athens Flights

The cheapest times to fly from Guam 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 Guam to Athens are during the month of September. You can find some of the cheapest flights from Guam to Athens with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Guam to Athens

Sunday is one of the best days to book for cheap flights from Guam 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 Guam 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 Guam to Athens in 2025. You can also book with separate airlines for your outbound and return journeys, from $975 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 Guam 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 Guam 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 A.B. Won Pat Intl. Airport (GUM) to Eleftherios Venizelos Airport (ATH) cost?
Secure a cheap one-way flight from $975 or cheap return flight from $1,850 from A.B. Won Pat Intl. Airport (GUM) to Eleftherios Venizelos Airport (ATH) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from A.B. Won Pat Intl. Airport (GUM) to Eleftherios Venizelos Airport (ATH)?
September is the cheapest month to fly from GUM to ATH. Traveling during an off-peak travel window is often the key to finding better fares.
What is the cheapest airline that flies from A.B. Won Pat Intl. Airport (GUM) to Eleftherios Venizelos Airport (ATH)?
To find the cheapest airline that'll fly you from GUM to ATH, use Expedia's filter tool. Customize your search based on what's important to you, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from A.B. Won Pat Intl. Airport (GUM) to Eleftherios Venizelos Airport (ATH)?
Nonstop flights from A.B. Won Pat Intl. Airport (GUM) to Eleftherios Venizelos Airport (ATH) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filters. Enter your dates and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from GUM to ATH?
You'll generally find Tuesday the quietest day for flights, while Fridays tend to be 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 A.B. Won Pat Intl. Airport (GUM) to Eleftherios Venizelos Airport (ATH)?
To avoid possible delays on the A.B. Won Pat Intl. Airport (GUM) to Eleftherios Venizelos Airport (ATH) route, aim to fly before 3 PM. Later flights are 22% more likely to be canceled.**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 A.B. Won Pat Intl. Airport (GUM) to Eleftherios Venizelos Airport (ATH) last-minute?
Last-minute fares from GUM to ATH are typically more expensive. To secure the best prices, start looking for flights as early as possible. That being said, if you're flexible with your travel plans, it's possible to land a cheap ticket right before your trip.
Is it cheaper to book a GUM to ATH flight and hotel package?
You can save money by booking a GUM 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 convenient place. After choosing your preferred accommodations and flights, you can add extras such as car rentals, activities and tours.
Can I cancel or change the date of my flight from A.B. Won Pat Intl. Airport (GUM) to Eleftherios Venizelos Airport (ATH)?
Typically, you can cancel or modify your GUM to ATH flight. However, additional fees may apply, especially if you booked over 24 hours ago. Check your itinerary for the airline's guidelines and fees on flight changes, or if you need more information, visit our Customer Service portal.

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*Available to One Key members.