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$699+ Cheap flights from Portland, ME (PWM) to Greece

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/22. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — ATH
Apr 25 — May 21
Sat 4/25
Sat 5/2
1 adult, Economy
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Cheap flight deals from Portland to Greece

Cheapest flights from Portland to Greece
Explore the most affordable flight options available from Portland to Greece. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 26, 2026.

This Turkish Airlines deal was found by Cheapflights users on 3/24. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/157:20 am
PWM
-
ATH
2 stops36h 45m
Multiple Airlines
Wed 5/2010:25 am
ATH
-
PWM
2 stops19h 38m
Multiple Airlines
Deal found 3/24$753
This United Airlines deal was found by Cheapflights users on 3/22. 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.
Fri 11/135:30 am
PWM
-
ATH
2 stops21h 35m
United Airlines
Tue 11/171:00 pm
ATH
-
PWM
2 stops31h 52m
United Airlines
Deal found 3/22$769
This oojo deal was found by Cheapflights users on 3/23. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/227:30 am
PWM
-
ATH
2 stops30h 00m
Turkish Airlines
Tue 4/283:55 am
ATH
-
PWM
2 stops26h 07m
Turkish Airlines
Deal found 3/23$786
This United Airlines deal was found by Cheapflights users on 3/23. 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.
Sun 11/85:30 am
PWM
-
ATH
2 stops21h 35m
United Airlines
Sun 11/156:35 am
ATH
-
PWM
2 stops24h 24m
United Airlines
Deal found 3/23$789
This KLM deal was found by Cheapflights users on 3/23. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/86:30 am
PWM
-
ATH
1 stop20h 05m
KLM
Sun 11/156:05 am
ATH
-
PWM
2 stops24h 44m
KLM
Deal found 3/23$840
This Delta deal was found by Cheapflights users on 3/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/810:00 am
PWM
-
ATH
1 stop16h 35m
Delta
Sun 11/1511:50 am
ATH
-
PWM
1 stop28h 40m
Delta
Deal found 3/23$841

Find flight deals from Portland to Greece

Keep the following information in mind while searching for Portland to Greece flight deals. Data was last updated March 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$753
(Turkish Airlines)

One-way from

$699
(Air Serbia)

Popular in

January

Cheapest in

December

Average price

$655
Provider with most accurate pricing for Portland-Athens Eleftherios V. flight deals.
Search Deals
Provider most trusted by Cheapflights users for Portland-Athens Eleftherios V. flights.
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From Portland to Greece
Search Deals
One-way flight from Portland to Greece
Search Deals
Highest demand for flights based on searches. 47% potential increase in price ($1,269 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 51% potential price decrease ($486 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Portland to Greece 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 March 26, 2026.
Use the filters below to find and compare flights from Portland to Greece that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandAthens

PWM - ATH

PWMATH

Portland

Sun 9/6

7:35 pm-10:00 am

1 stop31h 25m

Athens Eleftherios V.

Tue 9/22

6:55 am-11:31 pm

2 stops23h 36m

$903

PortlandAthens

PWM - ATH

PWMATH

Portland

Sun 9/6

6:00 am-11:00 am

1 stop22h 00m

Athens Eleftherios V.

Tue 9/22

6:00 am-11:59 pm

2 stops24h 59m

$918

PortlandAthens

PWM - ATH

PWMATH

Portland

Tue 8/25

6:00 am-10:10 am

2 stops21h 10m

Athens Eleftherios V.

Mon 8/31

11:45 am-7:19 pm

1 stop14h 34m

$999

PortlandAthens

PWM - ATH

PWMATH

Portland

Fri 8/28

2:25 pm-3:45 pm

2 stops18h 20m

Athens Eleftherios V.

Sat 9/19

4:30 am-10:07 pm

2 stops24h 37m

$1,003

PortlandAthens

PWM - ATH

PWMATH

Portland

Wed 7/22

2:53 pm-7:05 pm

2 stops21h 12m

Athens Eleftherios V.

Fri 7/31

12:05 pm-12:59 am

2 stops19h 54m

$1,036
Quickest round-trip

PortlandAthens

PWM - ATH

PWMATH

Portland

Fri 5/15

2:38 pm-4:50 pm

2 stops19h 12m

Athens Eleftherios V.

Wed 5/20

3:30 pm-12:43 am

1 stop16h 13m

$1,039

PortlandAthens

PWM - ATH

PWMATH

Portland

Wed 7/22

6:00 am-11:00 am

1 stop22h 00m

Athens Eleftherios V.

Fri 7/31

10:05 am-12:59 am

1 stop21h 54m

$1,069
Cheapest one-way

PortlandAthens

PWM - ATH

PWMATH

Portland

Fri 5/22

2:36 pm-6:15 pm

2 stops20h 39m

$699

PortlandAthens

PWM - ATH

PWMATH

Portland

Fri 5/22

2:36 pm-4:20 pm

3 stops42h 44m

$820
Quickest one-way

PortlandAthens

PWM - ATH

PWMATH

Portland

Fri 5/22

2:38 pm-1:20 pm

1 stop15h 42m

$911

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/25

Showing 1-10 of 11 resultsSorted by cheapest first
1
2

Best time to book a flight from Portland to Greece

Have a flexible travel schedule? Discover the best time to fly to Greece from Portland 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.

Cheapflights Insights

Everything you need to know about your flight from Portland to Greece

What is the cheapest month to book a flight from Portland, Maine to Greece?

Currently, September is the cheapest month in which you can book a flight from Portland, Maine to Greece (average of $147). Flying from Portland, Maine to Greece in June is currently the most expensive (average of $704). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Greece

Get insights into the airlines that provide service to Greece. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Greece. Reviews last updated March 26, 2026.
Read reviews from past customers who have flown Delta and United Airlines from Portland to Greece. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,340 reviews

Overall

7.9

Boarding

8.1

Food

7.2

Comfort

7.9

Crew

8.5

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,340 reviews
Delta
7.9
Good
8,340 reviews

Overall

7.9

Boarding

8.1

Food

7.2

Comfort

7.9

Crew

8.5

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,491 reviews
Delta
7.9
Good
8,340 reviews

Overall

7.9

Boarding

8.1

Food

7.2

Comfort

7.9

Crew

8.5

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Portland to Greece. 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 Portland to Greece?

    For a flight from Portland to Greece, you will be flying from Portland. Portland (PWM) is just 2.9 mi from the center of the city.

  • How long is the flight from Portland, Maine to Greece?

    For as low as $1,003, United Airlines can have you in Greece from Portland, Maine in 18h 20m. Airlines will cover a distance of 4663 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • Can I find deals for flights from Portland to Greece that include hotel bookings?

    Yes. In addition to deals on Portland to Greece flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Portland to Greece?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Greece.

  • Can I find deals for business class flights from Portland to Greece?

    Yes. Cheapflights offers flight deals from Portland to Greece by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Portland, Maine to Greece?

    Currently, September is the cheapest month in which you can book a flight from Portland, Maine to Greece (average of $147). Flying from Portland, Maine to Greece in June is currently the most expensive (average of $704). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Portland to Greece

Discover the top 2 airlines that operate flights from Portland to Greece. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$147Average$993FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$620Average$874FlexibilityNo cancel feeOn-time69%

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