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Cheap flights from Bangkok to Portland from ฿15,587

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 22/7. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — PDX
6 Apr — 13 Apr1
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 7 March 2026.

Tue 2/623:40
BKK
-
PDX
2 stops30h 58m
Multiple Airlines
Tue 16/607:00
PDX
-
BKK
2 stops25h 40m
Multiple Airlines
Deal found 6/3฿24,302
Wed 15/713:25
BKK
-
PDX
2 stops24h 05m
Multiple Airlines
Wed 16/917:55
PDX
-
BKK
2 stops25h 00m
Multiple Airlines
Deal found 6/3฿25,352
Mon 20/421:40
BKK
-
PDX
2 stops33h 30m
เดลต้า
Mon 27/407:05
PDX
-
BKK
2 stops26h 30m
เดลต้า
Deal found 6/3฿26,434
Tue 21/410:20
BKK
-
PDX
2 stops37h 10m
Multiple Airlines
Tue 28/407:10
PDX
-
BKK
2 stops25h 30m
Multiple Airlines
Deal found 6/3฿27,070
Wed 6/517:50
BKK
-
PDX
2 stops39h 44m
STARLUX Airlines
Sat 15/819:38
PDX
-
BKK
2 stops26h 22m
STARLUX Airlines
Deal found 7/3฿27,929
Wed 6/509:50
BKK
-
PDX
2 stops26h 52m
Korean Air
Sat 15/811:10
PDX
-
BKK
2 stops22h 25m
Korean Air
Deal found 5/3฿28,533
Tue 12/517:30
BKK
-
PDX
2 stops30h 17m
Multiple Airlines
Wed 3/617:40
PDX
-
BKK
2 stops26h 05m
Multiple Airlines
Deal found 6/3฿28,660
Mon 11/517:30
BKK
-
PDX
2 stops30h 00m
Multiple Airlines
Tue 2/617:40
PDX
-
BKK
2 stops26h 05m
Multiple Airlines
Deal found 5/3฿28,819
Mon 11/508:30
BKK
-
PDX
2 stops25h 30m
EVA Air
Tue 2/607:00
PDX
-
BKK
2 stops26h 30m
EVA Air
Deal found 6/3฿29,169

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 7 March 2026.

Round-trip from

฿24,302

One-way from

฿15,587

Popular in

February

Cheapest in

August

Average price

฿30,855
2/6-16/6
  • 2/6-16/6
  • 4 total stops
  • 56h 38m total
  • Bangkok to Portland
Search Deals
22/7
  • 22/7
  • 2 total stops
  • 24h 57m total
  • Bangkok to Portland
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (฿86,241 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (฿19,685 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 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 7 March 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

Tue 21/4

10:20-09:30

2 stops37h 10m

Portland

Tue 28/4

07:10-22:40

2 stops25h 30m

฿27,070

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Wed 6/5

17:50-19:34

2 stops39h 44m

Portland

Sat 15/8

19:38-12:00

2 stops26h 22m

฿27,929
Fastest return journey

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Wed 6/5

09:50-22:42

2 stops26h 52m

Portland

Sat 15/8

11:10-23:35

2 stops22h 25m

฿28,533

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Wed 6/5

08:00-09:30

2 stops39h 30m

Portland

Sat 15/8

15:30-05:05

1 stop23h 35m

฿31,396

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Tue 21/4

15:45-16:33

3 stops38h 48m

Portland

Tue 28/4

07:15-09:35

3 stops36h 20m

฿33,400

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Tue 7/4

09:50-20:59

2 stops25h 09m

Portland

Wed 29/4

05:30-21:45

2 stops26h 15m

฿33,814

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Sun 10/5

07:00-09:30

2 stops40h 30m

Portland

Tue 12/5

10:10-11:00

2 stops34h 50m

฿35,022

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Sat 18/4

15:45-16:33

3 stops38h 48m

Portland

Sat 25/4

15:30-09:35

3 stops28h 05m

฿37,154

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Wed 6/5

15:45-12:35

3 stops34h 50m

Portland

Sat 15/8

13:14-09:35

2 stops30h 21m

฿37,949
Cheapest one-way

BangkokPortland

BKK - PDX

BKKPDX

Bangkok Suvarnabhumi

Tue 21/4

09:50-12:52

2 stops41h 02m

฿16,732

Flights are sorted by cheapest return flights first.

Deals found on 6/3

Showing 1-10 of 19 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 ฿23,189). Flying from Bangkok to Portland in July is currently the most expensive (average of ฿31,841). 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 7 March 2026.
Check out reviews from past customers who have flown with STARLUX Airlines, Korean Air, andJapan Airlines 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.
STARLUX Airlines
8.9
Very Good
Check prices

Entertainment

8.8

Crew

9.2

Boarding

8.9

Comfort

8.9

Food

8.7

Overall

8.9

Reviews

1 / 10
10.0
Excellent

Anonymous,Jan 2026

SEA - TPE

First time travelled with starlux and had best experience. Food was really good and crew is the best. Entertainment was also best. Having latest movies. I requested for isle seat at the last time and they provided me. Best airline service.
STARLUX Airlines
8.9
Very Good
STARLUX Airlines
8.9
Very Good
Check prices

Entertainment

8.8

Crew

9.2

Boarding

8.9

Comfort

8.9

Food

8.7

Overall

8.9

Reviews

1 / 10
10.0
Excellent

Anonymous,Jan 2026

SEA - TPE

First time travelled with starlux and had best experience. Food was really good and crew is the best. Entertainment was also best. Having latest movies. I requested for isle seat at the last time and they provided me. Best airline service.
Korean Air
8.4
Very Good
1,200 reviews
STARLUX Airlines
8.9
Very Good
Check prices

Entertainment

8.8

Crew

9.2

Boarding

8.9

Comfort

8.9

Food

8.7

Overall

8.9

Reviews

1 / 10
10.0
Excellent

Anonymous,Jan 2026

SEA - TPE

First time travelled with starlux and had best experience. Food was really good and crew is the best. Entertainment was also best. Having latest movies. I requested for isle seat at the last time and they provided me. Best airline service.
Japan Airlines
8.3
Very Good
1,726 reviews
STARLUX Airlines
8.9
Very Good
Check prices

Entertainment

8.8

Crew

9.2

Boarding

8.9

Comfort

8.9

Food

8.7

Overall

8.9

Reviews

1 / 10
10.0
Excellent

Anonymous,Jan 2026

SEA - TPE

First time travelled with starlux and had best experience. Food was really good and crew is the best. Entertainment was also best. Having latest movies. I requested for isle seat at the last time and they provided me. Best airline service.

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. 3 airlines 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?

    STARLUX Airlines, Korean Air, and แอร์แคนาดา can get you from Bangkok to Portland in just under 26h 52m. Your travel time can differ by up to 12h 52m. The distance between Bangkok and Portland is about 12110 km. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Bangkok to Portland round-trip?

    Currently priced at ฿24,917, 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. Search Cheapflights for deals from STARLUX Airlines and Japan Airlines - these airlines can fly you to your destination from ฿27,613 and ฿31,049, respectively. Korean Air is priced at 19% 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 ฿23,189). Flying from Bangkok to Portland in July is currently the most expensive (average of ฿31,841). 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

Travelling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
Wilsonville

Browse thousands of different options on Cheapflights for your next trip

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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 3 airlines flying from Bangkok to Portland

Discover the top 3 airlines 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 7 March 2026.
AirlineCheapestAverageFlexibilityOn-time
Korean AirCheapest฿24,917Average฿27,000FlexibilityNo cancel feeOn-time81%
Search Korean Air flights
STARLUX AirlinesCheapest฿27,613Average฿31,743FlexibilityNo cancel feeOn-timeN/A
Search STARLUX Airlines flights
Japan AirlinesCheapest฿31,049Average฿31,093FlexibilityNo cancel feeOn-time79%
Search Japan Airlines 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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