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Cheap flights from Thailand to Portland from ฿16,276

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 10/11. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — PDX
15 Jul — 22 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Thailand to Portland

Enter your travel dates to find the best prices.

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 15 June 2026.

Wed 23/907:05
BKK
-
PDX
1 stop16h 26m
แอร์แคนาดา
Wed 23/915:30
PDX
-
BKK
1 stop23h 35m
แอร์แคนาดา
Deal found 12/6฿26,800
Mon 21/907:05
BKK
-
PDX
1 stop26h 01m
แอร์แคนาดา
Wed 21/1019:45
PDX
-
BKK
1 stop19h 20m
แอร์แคนาดา
Deal found 10/6฿28,859
Fri 14/807:05
BKK
-
PDX
1 stop16h 26m
แอร์แคนาดา
Sat 29/819:45
PDX
-
BKK
1 stop19h 20m
แอร์แคนาดา
Deal found 15/6฿30,362
Wed 9/1217:50
BKK
-
PDX
2 stops30h 35m
Multiple Airlines
Thu 10/1217:35
PDX
-
BKK
2 stops25h 15m
Multiple Airlines
Deal found 15/6฿30,591
Mon 21/917:30
BKK
-
PDX
2 stops31h 20m
Multiple Airlines
Wed 21/1018:00
PDX
-
BKK
2 stops25h 45m
Multiple Airlines
Deal found 10/6฿30,787
Thu 9/707:45
BKK
-
PDX
2 stops39h 46m
แอร์แคนาดา
Wed 15/719:45
PDX
-
BKK
1 stop19h 20m
แอร์แคนาดา
Deal found 12/6฿31,768
Sat 4/711:20
CNX
-
PDX
2 stops34h 17m
Multiple Airlines
Sat 25/715:30
PDX
-
CNX
2 stops28h 50m
Multiple Airlines
Deal found 11/6฿32,781
Mon 15/611:35
CNX
-
PDX
2 stops34h 02m
Multiple Airlines
Thu 9/717:30
PDX
-
CNX
2 stops26h 55m
Multiple Airlines
Deal found 12/6฿33,206
Mon 15/611:35
CNX
-
PDX
2 stops26h 17m
Multiple Airlines
Tue 7/717:36
PDX
-
CNX
2 stops26h 49m
Multiple Airlines
Deal found 11/6฿33,238
Tue 15/921:10
CNX
-
PDX
2 stops31h 41m
แอร์แคนาดา
Sat 19/919:45
PDX
-
CNX
2 stops25h 30m
แอร์แคนาดา
Deal found 11/6฿33,696
Mon 15/611:35
CNX
-
PDX
2 stops35h 27m
Multiple Airlines
Fri 3/717:36
PDX
-
CNX
2 stops26h 49m
Multiple Airlines
Deal found 11/6฿34,219
Mon 15/623:05
CNX
-
PDX
2 stops53h 40m
Multiple Airlines
Wed 15/715:30
PDX
-
CNX
2 stops27h 15m
Multiple Airlines
Deal found 11/6฿35,036

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 15 June 2026.

Round-trip from

฿26,800

One-way from

฿16,276

Popular in

March

Cheapest in

August

Average price

฿30,035
แอร์แคนาดา
  • แอร์แคนาดา
  • 23/9-23/9
  • 2 total stops
  • 40h 01m total
  • Thailand to Portland
Search Deals
แอร์แคนาดา
  • แอร์แคนาดา
  • 10/11
  • 1 total stop
  • 25h 16m total
  • Thailand to Portland
Search Deals
Highest demand for flights based on searches. 44% potential increase in price (฿1,113,257 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 35% potential price decrease (฿362,886 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

Cheapflights Fare Finder

 
Customise 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 17,341 searches. Data last updated 15 June 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 return flight

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Sun 20/9

02:35-19:06

2 stops30h 31m

Portland

Wed 21/10

10:10-05:05

1 stop28h 55m

฿29,055

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Thu 9/7

07:45-09:31

2 stops39h 46m

Portland

Wed 15/7

19:45-05:05

1 stop19h 20m

฿31,768

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

Sat 4/7

11:20-07:37

2 stops34h 17m

Portland

Sat 25/7

15:30-10:20

2 stops28h 50m

฿32,781

Chiang MaiPortland

CNX - PDX

CNXPDX

Chiang Mai

Tue 15/9

21:10-14:51

2 stops31h 41m

Portland

Sat 19/9

19:45-11:15

2 stops25h 30m

฿33,696

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Thu 2/7

21:40-22:02

2 stops38h 22m

Portland

Fri 31/7

05:30-23:35

2 stops28h 05m

฿35,722

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Thu 2/7

15:45-22:48

2 stops45h 03m

Portland

Fri 31/7

05:15-09:35

3 stops62h 20m

฿36,539

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Thu 23/7

15:45-00:50

2 stops47h 05m

Portland

Wed 2/9

11:15-09:35

3 stops32h 20m

฿48,730

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Wed 9/9

13:20-09:07

2 stops33h 47m

Portland

Thu 17/9

21:32-12:10

2 stops24h 38m

฿51,573
Fastest return journey

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Wed 9/12

08:15-13:55

1 stop20h 40m

Portland

Thu 10/12

10:00-06:30

1 stop29h 30m

฿64,875
Cheapest one-way

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Tue 10/11

08:15-18:31

1 stop25h 16m

฿16,276

Flights are sorted by cheapest return flights first.

Deals found on 14/6

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

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 return 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
No data available for this route at this time. Please check back soon.

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 15 June 2026.
Check out reviews from past customers who have flown with Korean Air from Thailand to Portland to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very Good
1,218 reviews
Check prices

Crew

8.7

Food

8.1

Entertainment

8.2

Overall

8.4

Boarding

8.5

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
1,218 reviews
Korean Air
8.4
Very Good
1,218 reviews
Check prices

Crew

8.7

Food

8.1

Entertainment

8.2

Overall

8.4

Boarding

8.5

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?

    Located just 9.7 km from the city centre, Portland (PDX) is the airport most travelers will use when flying to Portland from Thailand.

  • How long is the flight from Thailand to Portland?

    For as low as ฿29,055, แอร์แคนาดา can have you in Portland from Thailand in 30h 31m. The distance between Thailand and Portland is about 12110 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • 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 holiday 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Thailand to Portland

See prices for flight routes from nearby airports that may be better suited for you.
Chiang Mai to Portland flights

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 17,341 searches. Data last updated 15 June 2026.
AirlineCheapestAverageFlexibilityOn-time
Korean AirCheapest฿25,601Average฿25,601FlexibilityNo cancel feeOn-time81%
Search Korean Air flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Thailand to Portland?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Thailand to Portland. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Thailand to Portland?

Millions of users choose and trust Cheapflights to book the best flight deals from Thailand to Portland for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Thailand to Portland with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Thailand to Portland flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Thailand to Portland become cheaper?

Yes, Cheapflights offers price alerts on Thailand to Portland flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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