Southeast Europe

$418+ Cheap flights from Portland, ME (PWM) to Southeast Europe

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 3/26. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — ATH
Feb 7 — Feb 141
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Cheap flight deals from Portland to Southeast Europe

Keep the following information in mind while searching for Portland to Southeast Europe flight deals. Data was last updated January 8, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$508
(United Airlines)

One-way from

$418
(American Airlines)

Popular in

January

Cheapest in

February

Average price

$6,764
Provider with most accurate pricing for Portland-Athens Eleftherios V. flight deals.
Provider most trusted by Cheapflights users for Portland-Athens Eleftherios V. flights.
From Portland to Southeast Europe
One-way flight from Portland to Southeast Europe
Highest demand for flights based on searches. 45% potential increase in price ($1,215 potential increase over avg. RT price).
Cheapest flight prices on average. 48% potential price decrease ($482 potential savings vs. average RT price).
Average for round-trip flights in January 2026

Find flight deals from Portland to Southeast Europe

Cheapest flights from Portland to Southeast Europe
Explore the most affordable flight options available from Portland to Southeast Europe. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 8, 2026.

This United Airlines deal was found by Cheapflights users on 1/7. 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 2/215:45 amPWM - ATH
2 stops36h 55mUnited Airlines
Sat 2/286:30 amATH - PWM
2 stops38h 53mUnited Airlines
Deal found 1/7$508
This United Airlines deal was found by Cheapflights users on 1/6. 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 2/202:10 pmPWM - ATH
2 stops27h 15mUnited Airlines
Fri 2/277:05 amATH - PWM
2 stops23h 15mUnited Airlines
Deal found 1/6$517
This American Airlines deal was found by Cheapflights users on 1/7. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1012:44 pmPWM - DBV
2 stops23h 41mAmerican Airlines
Tue 3/3112:50 pmDBV - PWM
2 stops16h 47mAmerican Airlines
Deal found 1/7$526
This Air France deal was found by Cheapflights users on 1/7. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/102:30 pmPWM - ZAG
2 stops17h 45mMultiple Airlines
Tue 3/318:25 amZAG - PWM
2 stops21h 34mMultiple Airlines
Deal found 1/7$532
This KLM deal was found by Cheapflights users on 1/8. 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.
Wed 3/42:35 pmPWM - ATH
2 stops16h 00mMultiple Airlines
Sat 3/1411:50 amATH - PWM
1 stop17h 13mMultiple Airlines
Deal found 1/8$567
This Delta deal was found by Cheapflights users on 1/8. 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.
Wed 9/162:35 pmPWM - ATH
2 stops25h 20mDelta
Wed 9/306:00 amATH - PWM
2 stops24h 59mDelta
Deal found 1/8$692
This Delta deal was found by Cheapflights users on 1/7. 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.
Tue 9/224:50 pmPWM - ATH
2 stops17h 50mDelta
Mon 10/52:35 pmATH - PWM
2 stops30h 18mDelta
Deal found 1/7$711
This Delta deal was found by Cheapflights users on 1/7. 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.
Fri 5/152:35 pmPWM - ATH
2 stops25h 20mDelta
Wed 5/203:30 pmATH - PWM
1 stop15h 29mDelta
Deal found 1/7$746
This Ovago deal was found by Cheapflights users on 1/7. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/162:35 pmPWM - ATH
1 stop15h 45mScandinavian Airlines
Sun 9/271:10 pmATH - PWM
2 stops29h 45mScandinavian Airlines
Deal found 1/7$767
This American Airlines deal was found by Cheapflights users on 1/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/168:01 amPWM - ATH
1 stop18h 09mAmerican Airlines
Wed 9/3012:55 pmATH - PWM
1 stop16h 54mAmerican Airlines
Deal found 1/8$788
This Delta deal was found by Cheapflights users on 1/7. 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.
Wed 9/162:35 pmPWM - ATH
2 stops25h 20mDelta
Sun 9/276:00 amATH - PWM
2 stops24h 59mDelta
Deal found 1/7$801
This Air Canada deal was found by Cheapflights users on 1/7. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/103:44 pmPWM - ZAG
3 stops17h 06mAir Canada
Tue 3/316:50 amZAG - PWM
3 stops17h 47mAir Canada
Deal found 1/7$1,035

Cheapflights Fare Finder

 
Customize your flight search to find flights from Portland to Southeast Europe 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 January 8, 2026.
Use the filters below to find and compare flights from Portland to Southeast Europe that are best for you.

Fly from

Portland

Fly to

Southeast Europe

Route

Depart

Return

Price

PortlandAthens

PWM - ATH

PWMATH

Portland

Sat 2/21

5:45 am-1:40 am

2 stops36h 55m

Athens Eleftherios V.

Sat 2/28

6:30 am-2:23 pm

2 stops38h 53m

$508

PortlandDubrovnik

PWM - DBV

PWMDBV

Portland

Tue 3/10

12:44 pm-5:25 pm

2 stops23h 41m

Dubrovnik

Tue 3/31

12:50 pm-11:37 pm

2 stops16h 47m

$526

PortlandZagreb

PWM - ZAG

PWMZAG

Portland

Tue 3/10

2:30 pm-1:15 pm

2 stops17h 45m

Zagreb Franjo Tuđman

Tue 3/31

8:25 am-11:59 pm

2 stops21h 34m

$532

PortlandAthens

PWM - ATH

PWMATH

Portland

Wed 3/4

2:35 pm-1:35 pm

2 stops16h 00m

Athens Eleftherios V.

Sat 3/14

11:50 am-11:03 pm

1 stop17h 13m

$567

PortlandAthens

PWM - ATH

PWMATH

Portland

Fri 5/15

2:35 pm-10:55 pm

2 stops25h 20m

Athens Eleftherios V.

Wed 5/20

3:30 pm-11:59 pm

1 stop15h 29m

$746

PortlandAthens

PWM - ATH

PWMATH

Portland

Sat 4/18

4:23 pm-10:35 am

1 stop35h 12m

Athens Eleftherios V.

Sat 5/2

12:10 pm-6:25 pm

2 stops37h 15m

$833

PortlandAthens

PWM - ATH

PWMATH

Portland

Fri 5/15

11:17 am-8:10 am

1 stop13h 53m

Athens Eleftherios V.

Wed 5/20

12:35 pm-9:21 pm

1 stop15h 46m

$842

PortlandAthens

PWM - ATH

PWMATH

Portland

Fri 5/15

2:35 pm-1:40 pm

2 stops16h 05m

Athens Eleftherios V.

Wed 5/20

3:30 pm-11:59 pm

1 stop15h 29m

$846

PortlandAthens

PWM - ATH

PWMATH

Portland

Tue 4/7

6:25 am-7:50 am

1 stop18h 25m

Athens Eleftherios V.

Tue 6/30

3:30 pm-11:59 pm

1 stop15h 29m

$867

PortlandAthens

PWM - ATH

PWMATH

Portland

Tue 3/31

5:18 am-11:00 am

1 stop22h 42m

Athens Eleftherios V.

Tue 6/30

3:30 pm-11:59 pm

1 stop15h 29m

$871

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/6

Showing 1-10 of 15 results
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Best time to book a flight from Portland to Southeast Europe

Have a flexible travel schedule? Discover the best time to fly to Southeast Europe 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 Southeast Europe

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

Currently, September is the cheapest month in which you can book a flight from Portland, Maine to Southeast Europe (average of $147). Flying from Portland, Maine to Southeast Europe in June is currently the most expensive (average of $473). 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 Southeast Europe

Get insights into the airlines that provide service to Southeast Europe. 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 Southeast Europe. Reviews last updated January 8, 2026.
Peruse reviews from past customers who have flown with Delta, United Airlines, and Air Serbia from Portland to Southeast Europe to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Comfort

7.9

Entertainment

7.8

Food

7.2

Boarding

8.1

Crew

8.5

Overall

7.9

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.

Comfort

7.9

Entertainment

7.8

Food

7.2

Boarding

8.1

Crew

8.5

Overall

7.9

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.

Comfort

7.9

Entertainment

7.8

Food

7.2

Boarding

8.1

Crew

8.5

Overall

7.9

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.

Comfort

7.9

Entertainment

7.8

Food

7.2

Boarding

8.1

Crew

8.5

Overall

7.9

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 Southeast Europe. 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 Southeast Europe?

    Portland (PWM) is the airport you will fly out of if you book a flight from Portland to Southeast Europe. It is only a 2.9 mi journey to Portland (PWM) from Portland’s city center.

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

    There are many flights that can get you from Portland, Maine to Southeast Europe in 23h 41m. Fly via United Airlines, American Airlines, or Delta to get the fastest option. Portland, Maine and Southeast Europe are separated by a distance of 4233 mi. This flight may include one or multiple stops.

  • What are the most popular routes from Portland, Maine to Southeast Europe?

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

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

  • How can I find direct flights from Portland to Southeast Europe?

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

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

    Yes. Cheapflights offers flight deals from Portland to Southeast Europe 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 Southeast Europe?

    Currently, September is the cheapest month in which you can book a flight from Portland, Maine to Southeast Europe (average of $147). Flying from Portland, Maine to Southeast Europe in June is currently the most expensive (average of $473). 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

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Top 3 airlines flying from Portland to Southeast Europe

Discover the top 3 airlines that operate flights from Portland to Southeast Europe. 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 January 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$147Average$1,153FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$642Average$1,585FlexibilityNo cancel feeOn-time69%
Air SerbiaCheapest$897Average$1,035FlexibilityNo cancel feeOn-timeN/A

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