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$526+ 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 5/13. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — PDX
mei. 20 — mei. 271
wo 5/20
wo 5/27
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 april 20, 2026.

This Delta deal was found by Cheapflights users on 4/16. 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.
di 6/169:40 pm
BKK
-
PDX
2 stops38h 22m
Delta
di 7/219:24 am
PDX
-
BKK
2 stops22h 21m
Delta
Deal found 4/16$911
This Korean Air deal was found by Cheapflights users on 4/15. 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.
ma 9/1411:30 pm
BKK
-
PDX
2 stops30h 40m
Korean Air
do 9/179:40 am
PDX
-
BKK
2 stops23h 55m
Korean Air
Deal found 4/15$929
This Expedia deal was found by Cheapflights users on 4/15. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
wo 5/67:30 pm
BKK
-
PDX
2 stops35h 19m
Multiple Airlines
wo 7/17:00 am
PDX
-
BKK
2 stops25h 40m
Multiple Airlines
Deal found 4/15$954
This China Airlines deal was found by Cheapflights users on 4/15. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
di 9/12:40 am
BKK
-
PDX
2 stops31h 50m
Multiple Airlines
do 10/159:59 pm
PDX
-
BKK
2 stops24h 11m
Multiple Airlines
Deal found 4/15$977
This Korean Air deal was found by Cheapflights users on 4/20. 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.
ma 9/72:35 am
BKK
-
PDX
2 stops24h 42m
Korean Air
di 9/229:40 am
PDX
-
BKK
2 stops23h 55m
Korean Air
Deal found 4/20$982
This Korean Air deal was found by Cheapflights users on 4/17. 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.
wo 9/92:35 am
BKK
-
PDX
2 stops27h 58m
Korean Air
ma 9/149:40 am
PDX
-
BKK
2 stops23h 55m
Korean Air
Deal found 4/17$988
This FlightHub deal was found by Cheapflights users on 4/16. 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.
di 5/51:35 am
BKK
-
PDX
2 stops28h 47m
Multiple Airlines
za 8/157:15 am
PDX
-
BKK
2 stops26h 15m
Multiple Airlines
Deal found 4/16$1,002
This FlightHub deal was found by Cheapflights users on 4/19. 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.
di 6/21:35 am
BKK
-
PDX
2 stops25h 56m
Multiple Airlines
wo 6/247:19 am
PDX
-
BKK
2 stops26h 11m
Multiple Airlines
Deal found 4/19$1,013
This Justfly.com deal was found by Cheapflights users on 4/16. 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.
do 5/75:20 pm
CNX
-
PDX
2 stops30h 10m
Multiple Airlines
di 7/145:30 pm
PDX
-
CNX
2 stops32h 50m
Multiple Airlines
Deal found 4/16$1,113
This STARLUX Airlines deal was found by Cheapflights users on 4/16. 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 STARLUX Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
di 5/55:20 pm
CNX
-
PDX
2 stops40h 14m
STARLUX Airlines
zo 7/125:30 pm
PDX
-
CNX
2 stops32h 50m
STARLUX Airlines
Deal found 4/16$1,151
This China Airlines deal was found by Cheapflights users on 4/16. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
do 5/711:20 am
CNX
-
PDX
2 stops36h 10m
Multiple Airlines
wo 7/155:51 pm
PDX
-
CNX
2 stops26h 29m
Multiple Airlines
Deal found 4/16$1,173
This oojo deal was found by Cheapflights users on 4/20. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
wo 5/1311:20 am
CNX
-
PDX
2 stops36h 09m
China Airlines
do 5/215:00 am
PDX
-
CNX
2 stops39h 20m
China Airlines
Deal found 4/20$1,193

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 april 20, 2026.

Round-trip from

$911
(Delta)

One-way from

$526
(Korean Air)

Popular in

March

Cheapest in

August

Average price

$1,159
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 April 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 april 20, 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

di 6/16

9:40 pm-10:02 pm

2 stops38h 22m

Portland

di 7/21

9:24 am-9:45 pm

2 stops22h 21m

$911

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

do 9/10

9:35 am-12:07 pm

2 stops40h 32m

Portland

ma 9/14

11:09 am-9:35 am

3 stops32h 26m

$1,118

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

ma 5/11

5:50 pm-9:38 am

2 stops29h 48m

Portland

di 6/2

5:58 pm-12:00 pm

2 stops28h 02m

$1,121

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

di 9/8

3:45 pm-10:12 am

3 stops32h 27m

Portland

di 9/22

3:43 pm-9:35 am

3 stops27h 52m

$1,130

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

ma 7/20

5:30 pm-9:21 am

2 stops29h 51m

Portland

ma 8/31

7:22 pm-9:45 am

2 stops24h 23m

$1,157

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

wo 5/13

11:20 am-9:29 am

2 stops36h 09m

Portland

do 5/21

5:00 am-10:20 am

2 stops39h 20m

$1,193

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

ma 7/20

11:20 am-11:30 pm

2 stops26h 10m

Portland

di 7/21

5:30 pm-10:20 am

2 stops26h 50m

$1,204

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

ma 7/20

11:20 am-11:30 pm

2 stops26h 10m

Portland

di 7/21

5:30 pm-10:20 am

2 stops26h 50m

$1,228

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

za 5/9

5:20 pm-7:34 pm

2 stops40h 14m

Portland

di 7/14

5:30 pm-4:20 pm

2 stops32h 50m

$1,260
Quickest round-trip

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

di 7/14

9:50 am-6:19 pm

2 stops22h 29m

Portland

wo 1/13

11:10 am-12:45 am

2 stops22h 35m

$1,341

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/15

Showing 1-10 of 37 resultsSorted by cheapest first
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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 april 20, 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
1,212 reviews

Entertainment

8.2

Overall

8.4

Boarding

8.5

Crew

8.7

Food

8.1

Comfort

8.3

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
1,212 reviews
Korean Air
8.4
Very good
1,212 reviews

Entertainment

8.2

Overall

8.4

Boarding

8.5

Crew

8.7

Food

8.1

Comfort

8.3

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 Delta, United Airlines, and China Airlines fly from Thailand to Portland in about 36h 09m. The time it takes to get you to your destination can typically vary by up to 4h 23m. There are 7279 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 Delta and Korean Air, with prices starting from $512 and $529, 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 april 20, 2026.
AirlineCheapestAverageFlexibilityOn-time
Korean AirCheapest$779Average$1,069FlexibilityNo cancel feeOn-time81%

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