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Cheap flights from Bangkok to Portland from ฿17,332

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 11/11. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — PDX
22 Jun — 29 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Bangkok to Portland

Enter your travel dates to find the best prices.

Cheapest flights from Bangkok to Portland
Explore the most affordable flight options available from Bangkok to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 23 May 2026.

Wed 4/1111:30
BKK
-
PDX
2 stops42h 11m
แอร์แคนาดา
Fri 13/1119:10
PDX
-
BKK
2 stops38h 35m
แอร์แคนาดา
Deal found 22/5฿30,257
Wed 16/901:20
BKK
-
PDX
2 stops31h 46m
แอร์แคนาดา
Sun 20/919:45
PDX
-
BKK
2 stops36h 00m
แอร์แคนาดา
Deal found 21/5฿31,987
Wed 9/901:35
BKK
-
PDX
2 stops31h 31m
แอร์แคนาดา
Sat 12/915:30
PDX
-
BKK
2 stops40h 15m
แอร์แคนาดา
Deal found 22/5฿32,673
Thu 21/523:30
BKK
-
PDX
2 stops33h 35m
แอร์แคนาดา
Thu 4/619:45
PDX
-
BKK
2 stops37h 50m
แอร์แคนาดา
Deal found 18/5฿33,130
Fri 5/617:30
BKK
-
PDX
2 stops30h 17m
Multiple Airlines
Mon 8/621:30
PDX
-
BKK
2 stops22h 15m
Multiple Airlines
Deal found 21/5฿33,391
Fri 19/610:50
BKK
-
PDX
2 stops26h 48m
Multiple Airlines
Thu 25/617:37
PDX
-
BKK
2 stops26h 08m
Multiple Airlines
Deal found 20/5฿33,815
Sun 5/713:10
BKK
-
PDX
2 stops34h 11m
Multiple Airlines
Sun 12/717:30
PDX
-
BKK
2 stops28h 30m
Multiple Airlines
Deal found 21/5฿34,207
Mon 15/601:35
BKK
-
PDX
2 stops29h 12m
Multiple Airlines
Tue 23/614:49
PDX
-
BKK
2 stops30h 01m
Multiple Airlines
Deal found 22/5฿34,239

Find flight deals from Bangkok to Portland

Discover tips and strategies to find the most affordable flight options for your journey from Bangkok (TH1) to Portland (PDX). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 23 May 2026.

Round-trip from

฿30,257

One-way from

฿17,332

Popular in

March

Cheapest in

August

Average price

฿30,551
แอร์แคนาดา
  • แอร์แคนาดา
  • 4/11-13/11
  • 4 total stops
  • 80h 46m total
  • Bangkok to Portland
Search Deals
แอร์แคนาดา
  • แอร์แคนาดา
  • 11/11
  • 2 total stops
  • 43h 10m total
  • Bangkok to Portland
Search Deals
Highest demand for flights based on searches. 45% potential increase in price (฿1,125,094 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 31% potential price decrease (฿330,358 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Bangkok 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 23 May 2026.
Use the filters below to find and compare flights from Bangkok to Portland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Wed 9/9

01:35-19:06

2 stops31h 31m

Portland

Sat 12/9

15:30-21:45

2 stops40h 15m

฿32,673

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Tue 9/6

15:45-10:20

3 stops32h 35m

Portland

Wed 1/7

13:14-23:55

2 stops44h 41m

฿36,133

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Wed 4/11

16:55-20:33

3 stops42h 38m

Portland

Fri 13/11

07:30-11:25

2 stops36h 55m

฿36,426

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Thu 17/9

09:35-20:59

2 stops25h 24m

Portland

Sun 20/9

11:15-09:35

3 stops32h 20m

฿39,364

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Sat 13/6

15:45-00:50

2 stops23h 05m

Portland

Thu 2/7

05:15-04:35

3 stops33h 20m

฿43,052

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Thu 9/7

17:30-09:02

2 stops29h 32m

Portland

Fri 10/7

18:00-09:45

3 stops25h 45m

฿46,120

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Fri 19/6

07:05-09:31

1 stop16h 26m

Portland

Thu 25/6

19:45-23:35

2 stops37h 50m

฿49,645

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Thu 1/10

17:30-09:25

2 stops29h 55m

Portland

Fri 16/10

18:00-09:45

2 stops25h 45m

฿54,117
Fastest return journey

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Wed 9/9

17:30-09:07

2 stops29h 37m

Portland

Thu 17/9

21:32-09:45

2 stops22h 13m

฿54,280

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Tue 16/6

09:35-00:50

2 stops29h 15m

Portland

Tue 23/6

13:14-09:35

3 stops30h 21m

฿56,826

Flights are sorted by cheapest return flights first.

Deals found on 21/5

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

Best time to book a flight from Bangkok to Portland

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

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

Currently, August is the cheapest month in which you can book a flight from Bangkok to Portland (average of ฿23,795). Flying from Bangkok to Portland in March is currently the most expensive (average of ฿153,310). 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.

How much does it cost for a return flight from Bangkok to Portland?

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 23 May 2026.
Check out reviews from past customers who have flown with Korean Air from Bangkok 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
1,217 reviews
Check prices

Boarding

8.5

Comfort

8.3

Overall

8.4

Crew

8.7

Entertainment

8.2

Food

8.1

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
1,217 reviews
Korean Air
8.4
Very Good
1,217 reviews
Check prices

Boarding

8.5

Comfort

8.3

Overall

8.4

Crew

8.7

Entertainment

8.2

Food

8.1

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 Bangkok 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 Bangkok?

    Portland (PDX), located 9.7 km from the city centre, is the airport you fly into when you book flights from Bangkok to Portland. 1 airline have flights to Portland from Bangkok on a regular basis. Booking flights from Bangkok to Portland should not be difficult; the airport handles an average of 0 inbound flights from Bangkok per day.

  • How long is the flight from Bangkok to Portland?

    แอร์แคนาดา and United Airlines can get you from Bangkok to Portland in just under 31h 31m. Your travel time can differ by up to 1h 04m. The distance between Bangkok and Portland is about 12110 km. This flight may include one or multiple stops.

  • What is the cheapest airline to fly from Bangkok to Portland round-trip?

    Currently priced at ฿25,568, Korean Air will fly you from Bangkok to Portland and back. In addition to Korean Air, many other airlines offer competitively priced options for your trip. Korean Air is priced at 39% lower than the current average price of a flight leaving 3 months from now.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Bangkok to Portland (average of ฿23,795). Flying from Bangkok to Portland in March is currently the most expensive (average of ฿153,310). 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

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.

Alternative routes for Bangkok 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 Bangkok to Portland

Discover the top airline that operate flights from Bangkok 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 23 May 2026.
AirlineCheapestAverageFlexibilityOn-time
Korean AirCheapest฿25,568Average฿25,568FlexibilityNo 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 Bangkok to Portland?

Cheapflights makes it easy to find Bangkok to Portland flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

Millions of users choose and trust Cheapflights to book the best flight deals from Bangkok 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 Bangkok to Portland with no change fees?

Yes, we can. To see specific flights from Bangkok to Portland with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Not ready to book yet? You can track prices for flights from Bangkok to Portland on Cheapflights with our Price Alert feature and get notified when better prices are available.

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