$361 Find Cheap Flights from Portland to Southeast Europe

This is the cheapest round-trip flight price found by a KAYAK user in the last 72 hours by searching for a flight from Portland to Southeast Europe departing on 3/12. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Southeast Europe

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Portland to Southeast Europe, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Portland to Southeast Europe, as well as popular online travel agencies
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Cheap Flights from Portland to Southeast Europe

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours
Athens
Athens2 stops$474
Zagreb
Zagreb2 stops$655
Athens
Athens2 stops$474
Zagreb
Zagreb2 stops$655

Book Cheap Portland to Southeast Europe Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Portland to Southeast Europe that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Portland to Southeast Europe

Thu, Mar 12 - Wed, Mar 18
Air Canada Logo
7:07 pm - 10:40 am
PWM
-
ATH
33h 33m
2 stops
Air Canada Logo
10:55 am - 10:51 pm
ATH
-
PWM
41h 56m
2 stops
$474Air Canada
Tue, Mar 10 - Tue, Mar 17
Air Canada Logo
7:07 pm - 10:40 am
PWM
-
ATH
33h 33m
2 stops
Air Canada Logo
1:10 pm - 10:49 am
ATH
-
PWM
51h 39m
2 stops
$493Air Canada
Tue, Mar 10 - Tue, Mar 17
KLM Logo
2:30 pm - 1:00 pm
PWM
-
ATH
16h 30m
2 stops
KLM Logo
12:20 pm - 11:22 pm
ATH
-
PWM
17h 02m
1 stop
$501KLM
Tue, Mar 10 - Tue, Mar 17
American Airlines Logo
5:40 pm - 7:30 pm
PWM
-
ATH
19h 50m
2 stops
American Airlines Logo
7:35 am - 10:59 pm
ATH
-
PWM
21h 24m
3 stops
$511American Airlines
Tue, Mar 10 - Tue, Mar 17
KLM Logo
6:25 am - 9:35 am
PWM
-
ATH
21h 10m
1 stop
KLM Logo
11:50 am - 11:59 pm
ATH
-
PWM
18h 09m
1 stop
$563KLM
Thu, Mar 12 - Wed, Mar 18
Multiple Airlines Logo
5:23 am - 9:55 am
PWM
-
ATH
22h 32m
1 stop
Multiple Airlines Logo
11:50 am - 11:03 pm
ATH
-
PWM
17h 13m
1 stop
$589Multiple Airlines
Mon, Mar 30 - Mon, Apr 6
United Airlines Logo
2:12 pm - 11:45 pm
PWM
-
ZAG
27h 33m
2 stops
United Airlines Logo
6:05 am - 9:40 pm
ZAG
-
PWM
21h 35m
2 stops
$655United Airlines
Mon, Mar 9 - Mon, Mar 23
United Airlines Logo
5:45 am - 9:05 am
PWM
-
ATH
21h 20m
2 stops
United Airlines Logo
12:15 pm - 9:16 pm
ATH
-
PWM
39h 01m
2 stops
$680United Airlines
Sun, Jul 12 - Thu, Jul 30
Delta Logo
6:00 am - 10:40 pm
PWM
-
ZAG
34h 40m
2 stops
Delta Logo
6:00 am - 11:59 pm
ZAG
-
PWM
23h 59m
2 stops
$804Delta
Sat, Jul 11 - Thu, Jul 30
Delta Logo
5:59 pm - 10:40 pm
PWM
-
ZAG
46h 41m
2 stops
Delta Logo
6:00 am - 11:11 pm
ZAG
-
PWM
23h 11m
2 stops
$809Delta
Booking Insights

KAYAK's insights & trends for Portland to Southeast Europe flights

Get data-powered insights and trends into flights from Portland to Southeast Europe to help you find the cheapest flights, the best time to fly and much more.

Can I save money by flying with a layover from Portland to Southeast Europe?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

No, with an average price for the route of $359, prices are generally cheapest when you fly direct.

What is the cheapest month to fly from Portland to Southeast Europe?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Portland to Southeast Europe, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Portland to Southeast Europe is December, when tickets cost $488 (return) on average. On the other hand, the most expensive months are January and June, when the average cost of round-trip tickets is $6,764 and $1,604 respectively.

Good to know

Low seasonJanuary
Cheapest flight$474
Best time to beat the crowds but there is an average 372% increase in price.
Most popular time to fly and prices are also 33% lower on average.
Flight from Portland to Athens

FAQs - booking Southeast Europe flights

  • How does KAYAK find such low prices on flights from Portland to Southeast Europe?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Portland to Southeast Europe.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Portland to Southeast Europe?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Portland to Southeast Europe is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Portland to Southeast Europe?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Portland to Southeast Europe with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Portland to Southeast Europe?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Portland to Southeast Europe up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top 3 airlines serving from Portland to Southeast Europe

 
See real verified KAYAK customer reviews for airlines flying from Portland to Southeast Europe. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Portland to Southeast Europe? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.9
DeltaOverall score based on 8201 reviews
7.9Comfort
8.5Crew
7.2Food
7.8Entertainment
8.1Boarding
Airline reviews

Totally worth the miles to upgrade to Delta Comfort. Plenty of legroom.

10.0 ExcellentSharon, Feb 2026
TPA - ATL
Read more Delta reviews

Totally worth the miles to upgrade to Delta Comfort. Plenty of legroom.

This was my first time flying Delta ever and I had a great experience!

Smallest leg room I've ever had on a plane.

They took all carry-on luggage from Groups 6 -9 - I was group 5 and waiting in line to board - they made me check my luggage too. That then went to baggage claim and delayed departure from the airport. There was overhead room in my seating area - Delta over reacted. Also, had a gentleman next to me that took up 1/2 my seat.

Excellent!!! Aeromexico is a great airline. What was not that good is the service provided by Kayak. It is never clear and not easy to manage.

Flight delay was frustrating, also you cannot checkin online without delta app, web browser check-in throw errors

The gate agent was most helpful in getting me on to fly standby. I greatly appreciate it.

bulkhead seat had very little legroom - even in bsiness class.

The plane was an older model, so it wasn’t as comfortable as others. The flight attendants were not helpful during onboarding. It was a full flight so there was chaos finding space for baggage.

Sorry I didn't realize I was writing a review for each leg. Please see my previous review - it applies to the entire flight, not just a single leg.

Very disappointing given gate agent behavior. Filed a formal complaint with United.

Do not like the size of the overhead bin. I think staff should monitor the size of suitcases that are being carried on by passengers to ensure they meet the size requirement.

Crew was great (professional, attentive, prompt). Snacks for 4 hrs flight is deplorable.

Flight delayed. WiFi connectivity very poor if not existant. Last minute arrival forced me to run to catch my connection.

Both of my flights arrived early and check in process was smooth

Terrible. No customer service, no food, no drinks on a 6 hour premier economy booking.

Short flight, but no drink/snack service. The flights both going and coming were delayed.

Much better than Spirit. I was please by the easy fast check in and boarding

Check-in and in-flight staff were better than average. The seat was a fair size but too hard and not enough padding. The cushion/pillow provided is poor (thin and seems to be disposable ,it provides no effective cushioning or support). Food was OK-ish but no choice of inflight snacks and no easy place to get drinks other than water (I could ask for juice by intruding into the staff area at the back of the plane) Entertainment was very good actually. Overall better than I expected from a US-based airline (sorry!) but compared to ANA or Singapore it was so-so. (I live in Japan so they are my comparative airlines)

Everything was on time Will use united again for sure

Boarding and flight itself was smooth and temperature during the flight was perfect. It was just overall vibe for long distance flight, felt cheap ( comparing to KLM or TUI that I used recently). Entertainment out of date movies with poor picture quality, no games, flight map wasn't working

Basic, 737 Boeing, business class is just an economy class seat with blocked middle seat (European standard).

Entertainment is nonexistent. Food might have been good, however due to language barriers I didn’t get to have any food. Flat bed seats and layout was excellent. Crew efficient and straightforward, but lacking any western style approach. Not that I’d expect anything else, but one could have hoped.

Unorganized, late and they lost my bag for several days.

Flight took very long to even get checked in for, everything was late and written out by hand. My luggage was lost for several days and it was the most unorganized flight experience of my life.

Delaying more than 5 hours from Belgrade to Tirana Information very rude to questions

It's the shortest trip one could get from BEG anywhere, so it was fine.

I paid for luggage when I bought the ticket but I could not board until I paid for luggage again. The fault lays at the feet of eDreams, the company that booked our flight. Sorry, Air Serbia, but it did affect the boarding process.

They had lost my ticket and despite showing them the confirmation email with the itinerary and receipt of payment for the flight they could not put me on that flight and rescheduled departure postponing it by a whole week

Kraljevo is very convenient airport. It's brand new, small.and efficient. Great job!

Everything you need to know for your flight to Southeast Europe

Information on your arrival and departure airports