What is the cheapest airline that flies from Portland to Greece?

KLM, United Airlines, and Air Serbia are the most popular carriers operating from Portland to Greece

What airlines fly to Greece?

Delta, British Airways and Turkish Airlines are the top three most popular airlines that fly to Greece from Portland, Maine according to our data. Delta is the first choice among our users, with 48% of people opting to fly with this airline when traveling to Greece. Keep in mind that there are 21 different airlines that fly to Greece on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Portland Airport to Greece?

Prices for flights from Portland Airport to Greece refresh daily.

How many operators does momondo search for flights from Portland Airport to Greece?

As of April 2026, there is 1 operator available to choose from for flights from Portland Airport to Greece.

How old do you have to be to fly from Portland Airport to Greece?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Portland Airport to Greece.

What documentation or ID do you need to fly to Greece?

The required travel and health documents for your Greece trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Greece. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$426 Cheap Flights from Portland to Greece in 2026

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Portland, Maine to Greece

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:00 am - 3:05 am

PWM

ATH

38h 05m

2 stops

10:00 pm - 11:52 pm

ATH

PWM

32h 52m

2 stops

$806Turkish Airlines

dom., sep. 6 - mar., sep. 22

6:00 am - 3:05 am

PWM

ATH

38h 05m

2 stops

3:55 am - 11:52 pm

ATH

PWM

26h 57m

2 stops

$808Turkish Airlines

vie., sep. 4 - mar., sep. 22

6:00 am - 3:05 am

PWM

ATH

38h 05m

2 stops

3:55 am - 11:52 pm

ATH

PWM

26h 57m

2 stops

$809Turkish Airlines

vie., sep. 4 - mar., sep. 22

6:00 am - 3:05 am

PWM

ATH

38h 05m

2 stops

10:00 pm - 11:52 pm

ATH

PWM

32h 52m

2 stops

$845Turkish Airlines

dom., sep. 6 - mar., sep. 22

6:00 am - 8:30 pm

PWM

ATH

31h 30m

2 stops

3:55 am - 11:52 pm

ATH

PWM

26h 57m

2 stops

$851Turkish Airlines

dom., sep. 6 - lun., sep. 21

6:00 am - 3:05 am

PWM

ATH

38h 05m

2 stops

3:55 am - 11:52 pm

ATH

PWM

26h 57m

2 stops

$873Turkish Airlines

vie., sep. 4 - mar., sep. 22

6:00 am - 3:05 am

PWM

ATH

38h 05m

2 stops

3:55 am - 11:52 pm

ATH

PWM

50h 57m

2 stops

$879Turkish Airlines

vie., ago. 28 - vie., sep. 18

6:00 am - 3:05 am

PWM

ATH

38h 05m

2 stops

10:00 pm - 11:52 pm

ATH

PWM

56h 52m

2 stops

$893Turkish Airlines

vie., ago. 28 - sáb., sep. 19

6:00 am - 3:05 am

PWM

ATH

38h 05m

2 stops

10:00 pm - 11:52 pm

ATH

PWM

56h 52m

2 stops

$894Turkish Airlines

vie., ago. 28 - sáb., sep. 19

6:30 am - 7:50 am

PWM

ATH

18h 20m

1 stop

10:05 am - 11:59 pm

ATH

PWM

20h 54m

1 stop

$914KLM

dom., sep. 6 - mar., sep. 22

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United Airlines flights from Portland, Maine to Greece

Our best United Airlines deals on Portland, Maine to Greece flight tickets

United Airlines

Sep 7

PWM6:00 amPortland

29h 40m

2 stops

ATH6:40 pmAthens Eleftherios V.

Sep 21

ATH6:45 amAthens Eleftherios V.

22h 16m

2 stops

PWM10:01 pmPortland

$986

United Airlines

Oct 9

PWM6:00 amPortland

19h 10m

1 stop

ATH8:10 amAthens Eleftherios V.

Oct 17

ATH3:25 pmAthens Eleftherios V.

39h 02m

2 stops

PWM11:27 pmPortland

$1,019

United Airlines

Oct 9

PWM5:15 amPortland

19h 55m

2 stops

ATH8:10 amAthens Eleftherios V.

Oct 17

ATH3:25 pmAthens Eleftherios V.

39h 02m

2 stops

PWM11:27 pmPortland

$1,024

Air Canada flights from Portland, Maine to Greece

Our best Air Canada deals on Portland, Maine to Greece flight tickets

Air Canada

Oct 9

PWM6:00 amPortland

45h 10m

2 stops

ATH10:10 amAthens Eleftherios V.

Oct 17

ATH1:10 pmAthens Eleftherios V.

51h 13m

2 stops

PWM9:23 amPortland

$1,047

Air Canada

Aug 28

PWM9:10 amPortland

18h 00m

3 stops

ATH10:10 amAthens Eleftherios V.

Sep 19

ATH12:45 pmAthens Eleftherios V.

27h 37m

3 stops

PWM9:22 amPortland

$1,247

Air Canada

May 6

PWM11:08 amPortland

19h 17m

3 stops

ATH1:25 pmAthens Eleftherios V.

May 13

ATH8:35 amAthens Eleftherios V.

21h 54m

3 stops

PWM11:29 pmPortland

$1,946

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandAthens

PWM - ATH

PWMATH

Portland

dom. 9/6

6:00 am-3:05 am

2 stops38h 05m

Athens Eleftherios V.

mar. 9/22

10:00 pm-11:52 pm

2 stops32h 52m

$806

PortlandAthens

PWM - ATH

PWMATH

Portland

vie. 9/4

6:00 am-3:05 am

2 stops38h 05m

Athens Eleftherios V.

mar. 9/22

3:55 am-11:52 pm

2 stops26h 57m

$808

PortlandAthens

PWM - ATH

PWMATH

Portland

vie. 9/4

6:00 am-3:05 am

2 stops38h 05m

Athens Eleftherios V.

mar. 9/22

3:55 am-11:52 pm

2 stops26h 57m

$809

PortlandAthens

PWM - ATH

PWMATH

Portland

dom. 9/6

6:00 am-3:05 am

2 stops38h 05m

Athens Eleftherios V.

mar. 9/22

10:00 pm-11:52 pm

2 stops32h 52m

$845

PortlandAthens

PWM - ATH

PWMATH

Portland

dom. 9/6

6:00 am-8:30 pm

2 stops31h 30m

Athens Eleftherios V.

lun. 9/21

3:55 am-11:52 pm

2 stops26h 57m

$851

PortlandAthens

PWM - ATH

PWMATH

Portland

vie. 9/4

6:00 am-3:05 am

2 stops38h 05m

Athens Eleftherios V.

mar. 9/22

3:55 am-11:52 pm

2 stops26h 57m

$873

PortlandAthens

PWM - ATH

PWMATH

Portland

vie. 8/28

6:00 am-3:05 am

2 stops38h 05m

Athens Eleftherios V.

vie. 9/18

3:55 am-11:52 pm

2 stops50h 57m

$879

PortlandAthens

PWM - ATH

PWMATH

Portland

vie. 8/28

6:00 am-3:05 am

2 stops38h 05m

Athens Eleftherios V.

sáb. 9/19

10:00 pm-11:52 pm

2 stops56h 52m

$893

PortlandAthens

PWM - ATH

PWMATH

Portland

vie. 8/28

6:00 am-3:05 am

2 stops38h 05m

Athens Eleftherios V.

sáb. 9/19

10:00 pm-11:52 pm

2 stops56h 52m

$894

Quickest round-trip

PortlandAthens

PWM - ATH

PWMATH

Portland

dom. 9/6

6:30 am-7:50 am

1 stop18h 20m

Athens Eleftherios V.

mar. 9/22

10:05 am-11:59 pm

1 stop20h 54m

$914

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Portland, Maine to Greece

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

Prices

Airlines

What is the cheapest month to fly to Greece?

In general, September is the cheapest month to fly from Portland, Maine to Greece. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $147. If you are unable to visit Greece during the month of September, then departing from Portland, Maine during the month December is also very affordable. Most momondo users find prices during this month for around $488.

Can stopping save me money on Portland, Maine to Greece flights?

You could potentially save up to 1% on your flight if you consider stops on a Portland, Maine to Greece flight.

Cheap Portland, Maine to Greece flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland, Maine to Greece

Fastest flight time	18h 25m
Direct flights	None

The fastest flight from Portland, Maine to Greece takes 18h 25m

There are no direct flights from Portland, Maine to Greece. There are no popular flight routes from Portland, Maine to Greece.

Search flight deals

Frequently asked questions about flying from Portland, Maine to Greece

When did momondo last update prices for flights from Portland Airport to Greece?
Prices for flights from Portland Airport to Greece refresh daily.
How many operators does momondo search for flights from Portland Airport to Greece?
As of April 2026, there is 1 operator available to choose from for flights from Portland Airport to Greece.
How old do you have to be to fly from Portland Airport to Greece?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Portland Airport to Greece.
What documentation or ID do you need to fly to Greece?
The required travel and health documents for your Greece trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Greece. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Portland, Maine to Greece

Compare and see reviews for airlines that fly from Portland, Maine to Greece with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $147	Free Cancellation	Rating 7.9 8,467 reviews		Search Delta flights

Why use momondo?

Why should I use momondo to find a flight deal from Portland to Greece?

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

Can I find flights from Portland to Greece with flexible booking policies on momondo?

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

How can momondo help me find flights from Portland to Greece?

momondo helps you find the best flight between Portland and Greece by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Portland to Greece right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Portland to Greece flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.