$1,039 Find Cheap Flights from Portland to Thailand

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 Thailand departing on 9/10. 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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Flight Deals

Book Cheap Portland to Thailand 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 Thailand 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 Thailand

Thu, Sep 10 - Mon, Sep 14
Etihad Airways Logo
6:00 am - 7:40 pm
PWM
-
BKK
50h 40m
2 stops
Etihad Airways Logo
8:45 pm - 11:52 pm
BKK
-
PWM
38h 07m
2 stops
$1,039Etihad Airways
Thu, Sep 10 - Sun, Sep 13
Etihad Airways Logo
6:00 am - 6:10 pm
PWM
-
BKK
49h 10m
2 stops
Etihad Airways Logo
3:15 am - 11:52 pm
BKK
-
PWM
31h 37m
2 stops
$1,044Etihad Airways
Sun, Oct 25 - Wed, Oct 28
Etihad Airways Logo
6:30 am - 5:55 pm
PWM
-
HKT
48h 25m
2 stops
Etihad Airways Logo
2:40 am - 11:43 pm
HKT
-
PWM
32h 03m
2 stops
$1,069Etihad Airways
Thu, Sep 10 - Mon, Sep 14
Korean Air Logo
6:30 am - 1:05 am
PWM
-
BKK
31h 35m
2 stops
Korean Air Logo
9:40 pm - 10:33 pm
BKK
-
PWM
35h 53m
2 stops
$1,169Korean Air
Thu, Sep 10 - Mon, Sep 14
United Airlines Logo
6:00 am - 9:35 am
PWM
-
BKK
40h 35m
3 stops
United Airlines Logo
7:00 am - 11:32 pm
BKK
-
PWM
27h 32m
2 stops
$1,176United Airlines
Thu, Sep 10 - Mon, Sep 14
United Airlines Logo
6:00 am - 9:35 am
PWM
-
BKK
40h 35m
3 stops
United Airlines Logo
3:45 pm - 10:04 am
BKK
-
PWM
29h 19m
3 stops
$1,184United Airlines
Sun, Oct 25 - Wed, Oct 28
Etihad Airways Logo
6:30 am - 5:55 pm
PWM
-
HKT
48h 25m
2 stops
Etihad Airways Logo
2:40 am - 11:43 pm
HKT
-
PWM
32h 03m
2 stops
$1,315Etihad Airways
Fri, May 29 - Tue, Jun 30
Qatar Airways Logo
2:36 pm - 2:10 pm
PWM
-
BKK
36h 34m
2 stops
Qatar Airways Logo
9:55 am - 12:25 am
BKK
-
PWM
49h 30m
2 stops
$1,667Qatar Airways
Sat, May 30 - Tue, Jun 30
Qatar Airways Logo
6:00 am - 1:45 pm
PWM
-
BKK
44h 45m
2 stops
Qatar Airways Logo
9:55 am - 12:25 am
BKK
-
PWM
49h 30m
2 stops
$1,699Qatar Airways
Sat, May 30 - Fri, Jun 19
United Airlines Logo
6:00 am - 11:55 pm
PWM
-
BKK
30h 55m
2 stops
United Airlines Logo
9:35 am - 11:30 pm
BKK
-
PWM
48h 55m
2 stops
$1,705United Airlines
Booking Insights

KAYAK's insights & trends for Portland to Thailand flights

Get data-powered insights and trends into flights from Portland to Thailand 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 Thailand?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Portland to Thailand, 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 Thailand is September, when tickets cost $0 (return) on average. On the other hand, the most expensive months are July and January, when the average cost of round-trip tickets is $1,460 and $1,334 respectively.

Find deals

Good to know

Low seasonMay
Cheapest flight$1,039
Best time to beat the crowds with an average 20% drop in price.
Most popular time to fly with an average 16% increase in price.
Flight from Portland to Bangkok

FAQs - booking Thailand flights

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

    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 Thailand.

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

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

    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 Thailand 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 Thailand?

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

Reviews of the top airline flying from Portland to Thailand

 
Need help choosing which airline to fly with from Portland to Thailand? 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 9730 reviews
8.1Crew
7.1Entertainment
6.6Food
7.7Boarding
7.3Comfort
Airline reviews

Late plane. Only one crew on the ground so we b had to wait for Denver flight to come in, board, and depart. At 78 yrs of age I was not pleased trying to get my connection. What really made me angry was the notification you sent me to hurry up or I would miss my connection. Why tell me to hurry up when you got me in late. It was not a good way of treating customers.

6.0 Goodrsillman, May 2026
ACV - SFO
Read more United Airlines reviews

Late plane. Only one crew on the ground so we b had to wait for Denver flight to come in, board, and depart. At 78 yrs of age I was not pleased trying to get my connection. What really made me angry was the notification you sent me to hurry up or I would miss my connection. Why tell me to hurry up when you got me in late. It was not a good way of treating customers.

No complaints other than luggage carousel was incorrectly guiding passengers to the wrong carousel on the screen.

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.

We were a little disappointed to not be able to complete check in online without uploading pics of passports. Also we have KTN's and they weren't on our boarding passes when we got to security. Had to trek back to counter to have them fix.

Excellent service in Polaris class IAD to ZRH. Arrived rested and well fed after the overnight flight.

My flight time was changed without any notification to me which ruined my time sensitive plans so I ended up completely changing my travel plans and no reimbursement.

Excellent! I got to Munich and was transferred to my Lufthansa flight quickly, in 15 to 20 minutes, so I did not miss my flight. However, I had checked my overhead bag at the boarding gate in Tampa. That got to Tunis the next day. That is to be expected.

It's a short hop. My carryon was checked at the gate, I didn't have to drag it all over the airport. Excellent wheelchair assist.

WiFi didn’t exist , seats were super cramped, lights stayed on near my seat for a long time while others were dimmed, the food/trash/drink cart hit my shoulder at least a couple of times while moving, food options were down to just one option by the time it got to my row, the utensils were garbage (knife bent at a couple of places by the time I was done eating) the spoon was very flimsy plastic

Friendliest Flight Attendant I’ve seen since I flew on Southwest Airlines. The whole trip was outstanding…and arrived Early!

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

Information on your arrival and departure airports

Portland (PWM)