HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Greece

$495+ Cheap flights from Portland, ME (PWM) to Greece

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/19. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — ATH
Mar 7 — Mar 141
Sat 3/7
Sat 3/14
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Portland to Greece with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 February 5, 2026.

This KLM deal was found by Cheapflights users on 2/1. 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.
Thu 3/192:30 pm
PWM
-
ATH
2 stops17h 05m
Multiple Airlines
Thu 3/2611:50 am
ATH
-
PWM
1 stop18h 09m
Multiple Airlines
Deal found 2/1$495
This KLM deal was found by Cheapflights users on 2/1. 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.
Thu 3/192:30 pm
PWM
-
ATH
1 stop13h 05m
KLM
Thu 3/2611:50 am
ATH
-
PWM
1 stop18h 09m
KLM
Deal found 2/1$591
This United Airlines deal was found by Cheapflights users on 2/5. 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 9/67:22 pm
PWM
-
ATH
1 stop31h 38m
United Airlines
Tue 9/2210:25 am
ATH
-
PWM
1 stop15h 02m
United Airlines
Deal found 2/5$757
This Delta deal was found by Cheapflights users on 2/5. 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 9/62:35 pm
PWM
-
ATH
2 stops25h 20m
Delta
Tue 9/226:00 am
ATH
-
PWM
2 stops24h 59m
Delta
Deal found 2/5$792
This Travelocity deal was found by Cheapflights users on 2/3. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/36:00 am
PWM
-
ATH
2 stops25h 50m
Multiple Airlines
Fri 9/119:20 pm
ATH
-
PWM
2 stops31h 47m
Multiple Airlines
Deal found 2/3$810
This United Airlines deal was found by Cheapflights users on 2/4. 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.
Sat 4/186:13 pm
PWM
-
ATH
1 stop33h 22m
United Airlines
Sun 4/261:10 pm
ATH
-
PWM
2 stops39h 30m
United Airlines
Deal found 2/4$829
This United Airlines deal was found by Cheapflights users on 2/4. 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 5/157:10 pm
PWM
-
ATH
2 stops16h 35m
United Airlines
Wed 5/203:25 pm
ATH
-
PWM
2 stops34h 52m
United Airlines
Deal found 2/4$838

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 February 5, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$495
(KLM)

Popular in

January

Cheapest in

December

Average price

$818
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.
Search Deals
From Portland to Greece
Search Deals
Highest demand for flights based on searches. 46% potential increase in price ($1,276 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 48% potential price decrease ($482 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 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 February 5, 2026.
Use the filters below to find and compare flights from Portland to Greece that are best for you.

Fly from

Portland

Fly to

Greece

Route

Depart

Return

Price

PortlandAthens

PWM - ATH

PWMATH

Portland

Thu 3/19

2:30 pm-1:35 pm

2 stops17h 05m

Athens Eleftherios V.

Thu 3/26

11:50 am-11:59 pm

1 stop18h 09m

$495

PortlandAthens

PWM - ATH

PWMATH

Portland

Thu 3/19

2:30 pm-9:35 am

1 stop13h 05m

Athens Eleftherios V.

Thu 3/26

11:50 am-11:59 pm

1 stop18h 09m

$591

PortlandAthens

PWM - ATH

PWMATH

Portland

Sat 4/18

6:13 pm-10:35 am

1 stop33h 22m

Athens Eleftherios V.

Sun 4/26

1:10 pm-9:40 pm

2 stops39h 30m

$829

PortlandAthens

PWM - ATH

PWMATH

Portland

Fri 5/15

7:10 pm-6:45 pm

2 stops16h 35m

Athens Eleftherios V.

Wed 5/20

3:25 pm-7:17 pm

2 stops34h 52m

$838

PortlandAthens

PWM - ATH

PWMATH

Portland

Fri 5/15

2:38 pm-1:15 am

2 stops27h 37m

Athens Eleftherios V.

Wed 5/20

3:30 pm-12:34 am

1 stop16h 04m

$852

PortlandAthens

PWM - ATH

PWMATH

Portland

Thu 3/26

2:30 pm-1:00 pm

2 stops16h 30m

$672

PortlandAthens

PWM - ATH

PWMATH

Portland

Thu 3/26

2:30 pm-1:15 am

2 stops28h 45m

$702

PortlandAthens

PWM - ATH

PWMATH

Portland

Thu 3/26

11:30 am-9:05 am

1 stop15h 35m

$857

PortlandAthens

PWM - ATH

PWMATH

Portland

Thu 3/26

11:30 am-1:15 pm

3 stops19h 45m

$886

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/4

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 $716). 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 February 5, 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
8,151 reviews

Food

7.2

Comfort

7.9

Crew

8.5

Overall

7.9

Entertainment

7.8

Boarding

8.1

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
8,151 reviews
Delta
7.9
Good
8,151 reviews

Food

7.2

Comfort

7.9

Crew

8.5

Overall

7.9

Entertainment

7.8

Boarding

8.1

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
9,240 reviews
Delta
7.9
Good
8,151 reviews

Food

7.2

Comfort

7.9

Crew

8.5

Overall

7.9

Entertainment

7.8

Boarding

8.1

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 $591, KLM can have you in Greece from Portland, Maine in 13h 05m. 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 $716). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 February 5, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$147Average$973FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$642Average$1,144FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.