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$530+ Cheap flights from Thailand to Portland (PDX)

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 10/21. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — PDX
Jun 3 — Jun 101
Wed 6/3
Wed 6/10
1 adult, Economy
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Cheap flight deals from Thailand to Portland

Cheapest flights from Thailand to Portland
Explore the most affordable flight options available from Thailand to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 4, 2026.

This Korean Air deal was found by Cheapflights users on 5/2. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/209:40 pm
BKK
-
PDX
2 stops32h 33m
Korean Air
Sat 10/2411:10 am
PDX
-
BKK
2 stops44h 20m
Korean Air
Deal found 5/2$916
This Korean Air deal was found by Cheapflights users on 5/1. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/72:35 am
BKK
-
PDX
2 stops27h 35m
Korean Air
Tue 9/226:30 am
PDX
-
BKK
2 stops27h 05m
Korean Air
Deal found 5/1$993
This FlightHub deal was found by Cheapflights users on 4/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/21:35 am
BKK
-
PDX
2 stops29h 15m
Multiple Airlines
Wed 6/247:19 am
PDX
-
BKK
2 stops26h 11m
Multiple Airlines
Deal found 4/30$995
This FlightHub deal was found by Cheapflights users on 5/1. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/63:20 pm
BKK
-
PDX
2 stops32h 10m
Multiple Airlines
Sat 8/157:15 am
PDX
-
BKK
2 stops26h 15m
Multiple Airlines
Deal found 5/1$996
This FlightHub deal was found by Cheapflights users on 4/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/111:10 pm
BKK
-
PDX
2 stops34h 20m
Multiple Airlines
Tue 6/25:46 pm
PDX
-
BKK
2 stops32h 54m
Multiple Airlines
Deal found 4/30$998
This Air Canada deal was found by Cheapflights users on 5/1. 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.
Sat 10/311:15 am
BKK
-
PDX
2 stops36h 16m
Air Canada
Wed 10/77:45 pm
PDX
-
BKK
1 stop19h 20m
Air Canada
Deal found 5/1$1,004
This Justfly.com deal was found by Cheapflights users on 4/30. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/165:50 pm
BKK
-
PDX
2 stops29h 12m
Multiple Airlines
Tue 6/232:49 pm
PDX
-
BKK
2 stops31h 11m
Multiple Airlines
Deal found 4/30$1,008
This FlightHub deal was found by Cheapflights users on 4/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/1311:35 am
CNX
-
PDX
2 stops35h 54m
Multiple Airlines
Thu 5/212:51 pm
PDX
-
CNX
2 stops29h 34m
Multiple Airlines
Deal found 4/30$1,129
This Korean Air deal was found by Cheapflights users on 4/29. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/209:45 pm
CNX
-
PDX
2 stops38h 41m
Korean Air
Sat 10/2411:10 am
PDX
-
CNX
2 stops45h 45m
Korean Air
Deal found 4/29$1,415
This Korean Air deal was found by Cheapflights users on 5/3. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/229:45 pm
CNX
-
PDX
2 stops32h 49m
Korean Air
Mon 10/266:00 am
PDX
-
CNX
2 stops26h 55m
Korean Air
Deal found 5/3$1,428

Find flight deals from Thailand to Portland

Keep the following information in mind while searching for Thailand to Portland flight deals. Data was last updated May 4, 2026.

Round-trip from

$916
(Korean Air)

One-way from

$530
(FlightHub)

Popular in

March

Cheapest in

August

Average price

$990
From Thailand to Portland
Search Deals
One-way flight from Thailand to Portland
Search Deals
Highest demand for flights based on searches. 44% potential increase in price ($1,056 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 31% potential price decrease ($310 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Thailand to Portland 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 May 4, 2026.
Use the filters below to find and compare flights from Thailand to Portland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Tue 10/20

9:40 pm-1:18 pm

2 stops29h 38m

Portland

Sat 10/24

11:10 am-9:30 pm

2 stops44h 20m

$916

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Sat 10/3

1:10 pm-10:44 pm

2 stops23h 34m

Portland

Wed 10/7

9:59 pm-4:40 pm

2 stops28h 41m

$1,200

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Tue 10/20

9:35 am-9:05 pm

2 stops25h 30m

Portland

Sat 10/24

3:36 pm-11:25 am

3 stops29h 49m

$1,214

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

Tue 10/20

9:45 pm-10:26 pm

2 stops38h 41m

Portland

Sat 10/24

11:10 am-10:55 pm

2 stops45h 45m

$1,415

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

Thu 10/22

9:45 pm-10:26 pm

2 stops38h 41m

Portland

Mon 10/26

6:00 am-10:55 pm

2 stops26h 55m

$1,428

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Sat 10/3

7:00 am-6:15 pm

3 stops25h 15m

Portland

Wed 10/7

5:30 am-11:55 pm

2 stops28h 25m

$1,540

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Wed 5/20

3:45 pm-10:20 am

3 stops32h 35m

Portland

Fri 6/19

5:15 am-4:35 am

2 stops57h 20m

$1,554
Quickest round-trip

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Wed 9/9

10:50 am-8:30 pm

2 stops23h 40m

Portland

Thu 9/17

9:29 pm-12:10 pm

2 stops24h 41m

$1,641

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Tue 6/16

9:35 am-8:54 pm

2 stops25h 19m

Portland

Tue 6/23

8:35 am-9:35 am

3 stops35h 00m

$1,737

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Tue 6/30

7:00 am-4:47 pm

2 stops23h 47m

Portland

Tue 8/4

6:03 pm-9:35 am

3 stops25h 32m

$1,788

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 21 resultsSorted by cheapest first
1
2
3

Best time to book a flight from Thailand to Portland

Have a flexible travel schedule? Discover the best time to fly to Portland from Thailand 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 Thailand to Portland

What is the cheapest month to book a flight from Thailand to Portland?

Currently, August is the cheapest month in which you can book a flight from Thailand to Portland (average of $729). Flying from Thailand to Portland in March is currently the most expensive (average of $4,697). 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 Portland

Get insights into the airlines that provide service to Portland. 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 Portland. Reviews last updated May 4, 2026.
Read reviews from past customers who have flown Korean Air from Thailand to Portland. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very good
1,216 reviews

Crew

8.7

Boarding

8.5

Food

8.1

Entertainment

8.2

Comfort

8.3

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Korean Air
8.4
Very good
1,216 reviews
Korean Air
8.4
Very good
1,216 reviews

Crew

8.7

Boarding

8.5

Food

8.1

Entertainment

8.2

Comfort

8.3

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!

Related info for your journey

Find useful and relevant information for your journey from Thailand to Portland. 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 into for flights to Portland from Thailand?

    Portland (PDX), located 6.0 mi from the city center, is the airport you fly into when you book flights from Thailand to Portland.

  • How long is the flight from Thailand to Portland?

    Airlines like Korean Air, STARLUX Airlines, and United Airlines fly from Thailand to Portland in about 23h 34m. The time it takes to get you to your destination can typically vary by up to 6h 04m. There are 7525 mi between Thailand and Portland. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Thailand to Portland one-way?

    $498 is the cheapest one-way deal found within the past few days, from Air Canada. You may also be able to find cheap deals on United Airlines and Delta, with prices starting from $502 and $517, respectively.

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

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

  • How can I find direct flights from Thailand to Portland?

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

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

    Yes. Cheapflights offers flight deals from Thailand to Portland 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 Thailand to Portland?

    Currently, August is the cheapest month in which you can book a flight from Thailand to Portland (average of $729). Flying from Thailand to Portland in March is currently the most expensive (average of $4,697). 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

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
Beaverton
Seaside
Vancouver
Lincoln City
Longview
Lake Oswego
Hillsboro
Clackamas
Troutdale
Cannon Beach
Long Beach
McMinnville
Tigard
The Dalles
Wilsonville
Depoe Bay
Stevenson
Tillamook
Astoria
Pacific City

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top airline flying from Thailand to Portland

Discover the top airline that operate flights from Thailand to Portland. 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 May 4, 2026.
AirlineCheapestAverageFlexibilityOn-time
Korean AirCheapest$779Average$1,069FlexibilityNo cancel feeOn-time81%

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