$326 Find Cheap Flights from Portland to Greece - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Portland to Greece departing on 8/31. 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

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Cheap Flights from Portland to Greece

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours
Athens
Athens1 stop$764
Thessaloniki
Thessaloniki2 stops$1,163
Athens
Athens1 stop$764
Thessaloniki
Thessaloniki2 stops$1,163

Book Cheap Portland to Greece 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 Greece 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 Greece

Sun, Nov 15 - Thu, Nov 19
United Airlines Logo
10:50 am - 10:05 amPWM  Portland-ATH Athens Eleftherios V.
16h 15m1 stop Newark
United Airlines Logo
1:00 pm - 9:52 pmATH  Athens Eleftherios V.-PWM Portland
39h 52m2 stops Toronto Pearson Intl Chicago O'Hare Intl
$764United Airlines
Sun, Nov 15 - Thu, Nov 19
Air Canada Logo
5:50 am - 11:00 amPWM  Portland-ATH Athens Eleftherios V.
22h 10m2 stops Newark Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
1:00 pm - 11:21 pmATH  Athens Eleftherios V.-PWM Portland
41h 21m2 stops Toronto Pearson Intl Newark
$768Air Canada
Sun, Nov 15 - Thu, Nov 19
United Airlines Logo
5:50 am - 10:05 amPWM  Portland-ATH Athens Eleftherios V.
21h 15m1 stop Newark
United Airlines Logo
12:25 pm - 11:21 pmATH  Athens Eleftherios V.-PWM Portland
17h 56m1 stop Newark
$780United Airlines
Sun, Nov 15 - Thu, Nov 19
United Airlines Logo
5:50 am - 11:00 amPWM  Portland-ATH Athens Eleftherios V.
22h 10m2 stops Newark Montreal Pierre Elliott Trudeau Intl
United Airlines Logo
6:45 am - 7:02 pmATH  Athens Eleftherios V.-PWM Portland
19h 17m2 stops Frankfurt am Main Washington, D.C. Dulles Intl
$786United Airlines
Fri, Nov 13 - Tue, Nov 17
United Airlines Logo
10:50 am - 10:05 amPWM  Portland-ATH Athens Eleftherios V.
16h 15m1 stop Newark
United Airlines Logo
1:00 pm - 11:21 pmATH  Athens Eleftherios V.-PWM Portland
41h 21m2 stops Toronto Pearson Intl Newark
$814United Airlines
Fri, Nov 6 - Sun, Nov 15
Air Canada Logo
5:50 am - 11:00 amPWM  Portland-ATH Athens Eleftherios V.
22h 10m2 stops Newark Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
1:00 pm - 11:21 pmATH  Athens Eleftherios V.-PWM Portland
41h 21m2 stops Montreal Pierre Elliott Trudeau Intl Newark
$863Air Canada
Wed, Oct 14 - Wed, Oct 21
Air Canada Logo
6:00 am - 10:10 amPWM  Portland-ATH Athens Eleftherios V.
21h 10m2 stops Newark Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
1:10 pm - 11:28 pmATH  Athens Eleftherios V.-PWM Portland
41h 18m2 stops Montreal Pierre Elliott Trudeau Intl Newark
$875Air Canada
Fri, Nov 6 - Sun, Nov 15
Multiple Airlines Logo
11:55 am - 1:40 pmPWM  Portland-ATH Athens Eleftherios V.
18h 45m2 stops Minneapolis St Paul Paris Charles de Gaulle
Multiple Airlines Logo
11:45 am - 11:55 pmATH  Athens Eleftherios V.-PWM Portland
19h 10m1 stop New York John F Kennedy Intl
$884Multiple Airlines
Wed, Oct 14 - Wed, Oct 21
American Airlines Logo
6:00 am - 8:55 amPWM  Portland-ATH Athens Eleftherios V.
19h 55m1 stop Philadelphia
American Airlines Logo
1:20 pm - 11:41 pmATH  Athens Eleftherios V.-PWM Portland
17h 21m1 stop Philadelphia
$892American Airlines
Sat, Oct 17 - Wed, Oct 21
American Airlines Logo
1:05 pm - 11:40 amPWM  Portland-ATH Athens Eleftherios V.
15h 35m1 stop Chicago O'Hare Intl
American Airlines Logo
1:20 pm - 11:41 pmATH  Athens Eleftherios V.-PWM Portland
17h 21m1 stop Philadelphia
$1,295American Airlines
Booking Insights

KAYAK's insights & trends for Portland to Greece flights

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

What is the cheapest month to fly from Portland to Greece?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Portland to Greece, 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 Greece is July, when tickets cost $0 (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 $1,438 respectively.

Good to know

Low season

December

Cheapest flight

$326
Best time to beat the crowds with an average 69% drop in price.
Most popular time to fly and prices are also 36% lower on average.
Flight from Portland to Athens

FAQs - booking Greece flights

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

    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 Greece.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Portland to Greece 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 Greece?

    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 Greece 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 Greece?

    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 Greece up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top airlines flying from Portland to Greece

 
Need help choosing which airline to fly with from Portland to Greece? 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.
7.4
United AirlinesOverall score based on 10089 reviews
7.7Boarding
8.1Crew
6.7Food
7.3Comfort
7.1Entertainment
Airline reviews

Like the fact that the boarding was expedited. But the delay and chaos around the onboarding was not appreciated.

2.0 MediocreDarly, Aug 2026
Read more United Airlines reviews

Like the fact that the boarding was expedited. But the delay and chaos around the onboarding was not appreciated.

Flight was 2.5 late. Maybe not United’s fault but late none the less. We were late as well on the first leg. WiFi quit working with an hour left.

Old 757 with poor entertainment system. United no longer partners with United for free text and email. O'Hara an absolute disaster! Limited gates clauses two hour delay. Unfortunately this appears to be the norm.

The flight to America was freezing. The overnight flight back to the UK was boiling hot and the cabin stank of toilet or occasionally perfume, even though I was several rows back from either bathroom. Food was tiny portions. Two small pieces of tough and dry beef in random gravy with pretend mashed potato raking up most of it. Very little veg. Salad was ok. Wooden cutlery broke within minutes of using. Lots of old films for entertainment. Some new ones. Generally a bit rubbish.

It was a good experience, unfortunately my checked baggages were come late and not arrived on time.

Did not like that we couldn't complete check in on-line without providing pictures of our passports. Worry about identity theft. We had no delays and boarding was handled In an efficient manner.

Both my flight where delayed Had 25min to make it to my transfer flight

I just got back from a trip with 3 flights each way. The flights were good and we were happy with out experience. There was one steward on our first flight that was harsh and grump with passengers. It did not leave a good impression. All of the other flight crews were great on the other five flights.

They changed my flight 5 hours before it took off and changed my connecting airport messing up my entire 1st day in Japan.

United needs to figure out its Economy PLUS standards; its better than economy but that's not saying much. It seems like United stripped away all the basics for an international flight (such as In Seat entertainment) and repackaged some of them as plus. Would not fly United internationally again.

Our experience with American Airlines was extremely disappointing and honestly made an already exhausting international journey much worse. After flying all the way from Melbourne and dealing with significant jet lag, the American Airlines experience at LAX was the last thing we needed. The terminal and boarding area felt very old and uncomfortable, with little to no air conditioning and only old fans running in the area. Boarding was also through outdoor stairs rather than a jet bridge, which felt especially inconvenient after such a long journey. Even though we were traveling First Class, the onboard experience was surprisingly poor. There were no meaningful snack options, no decent coffee available to order, and the aircraft was so small that there was barely enough overhead space for carry-on luggage. The staff experience was also disappointing and lacked the warmth or attentiveness we had experienced on our international flights. To make matters worse, the flight departed late, extending an already very long travel day. Overall, the combination of the outdated terminal, uncomfortable boarding process, limited First Class service, small aircraft, poor staff experience, and delay made this an extremely unpleasant final leg of our journey. It significantly worsened our exhaustion and jet lag rather than making the connection home easier. Unfortunately, this experience was bad enough that I do not plan to travel with American Airlines again in the future.

American airlines is always delayed in their flights. No access to wifi unless paid

Both directions of our trip were befuddled by massive delays, one of which led to our connecting flight being grounded mid air due to storms that we’d have missed if we were on time. The other our originating flight was delayed repeatedly until it arrived at our connecting airport later than our final leg was even supposed to have arrived. American cannot seem to manage rebooking s for a family party… both directions we had to come up with a plan to get to Boston stay overnight only one night each direction was covered by the airline -and take a bus to or from our destination. Missed an entire leg of our trip, hotel cancellation fees, expensive stay in Boston and bus ticket expenses are unlikely to be comped and the meal vouchers are worthless.

My flight was 4 hours delayed on departure at 6a causing me to miss my connection at DCA. I had to scramble to find a seat home on a later flight and instead of an exit seat, I was in row 30 on a flight getting me home 5 hours later than planned. The AA team on the ground did a fine job. AA continues to run the airline like the passengers are cargo.

The hosts were very friendly and accommodating. The food was welcomed and very decent. I would recommend!

The plane was probably full boarding was easy. We were able to check our carry-on luggage for free. It was a return flight through Philly to LA. Never saw a stewardess do a demonstration of emergency Procedures. I think my flight was pretty full

Tray table was filthy when I sat down. I needed to have someone come clean it because there was food and stains on it WiFi didn’t work after paying for in flight WiFi Food was terrible and was not filling at all Chicken was rubbery Flight attendant had an attitude, interrupted me and wasn’t able to answer basic questions about the food selection such as “does the chicken have red sauce in it”. If your flight attendants are not going to know what is in the meals so we can make an educated decision based on dietary restrictions, they shouldn’t be on the plane. My 1.5 year old niece was sleeping and dropped her binkie. I went on the ground under the chairs looking for it. It was at that time that she came up to me as I’m CLEARLY on all 4s with a flashlight and said “I need to get by”. I said one moment please I’m getting something from under the seat (while my head was literally under the seat). Her reply was “no you need to move now” and proceeded to almost push me out of the way. I looked up and all I saw was her toes under my eyes. When I looked in front of me, her private parts were inches away from my face. I then made a comment “you couldn’t waited 2 seconds?” and her response was, “no I need to use the bathroom”. I understand that and would never want to be the reason someone couldn’t get to the bathroom but I was under the seat. She could’ve gone around the other way instead of harassing me, basically placing her private parts on my head and borderline pushing me out of the way. You don’t pay (especially this much) for this deplorable experience. This was by far the worst experience I have ever had on American. I will be absolutely thinking twice and thrice about flying American Airlines again. I would rather pay more to fly delta because at least I know their WiFi will work and their flight attendants won’t have a terrible attitude for no reason, nor will they act the way this woman did. Unacceptable.

The flight was 3 hours late taking off. The lounge experience in Heathrow was terrible. No charging plugs, no table busting, and very overcrowded.

Flight was delayed after boarding and no idea when it would take off. Crew in Portland did arrange for transport to Boston for a different set of flights to my destination.

Seats are so close together. Middle seats should be discounted.

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

Information on your arrival and departure airports