$419+ Cheap flights from Portland (PDX) to Bangkok
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 8/31. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — BKK
Sep 16 — Sep 231
Round-trip
1 adult, Economy
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Find cheap flights from Portland to Bangkok with Cheapflights
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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Portland to Bangkok
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Cheapest flights from Portland to BangkokExplore the most affordable flight options available from Portland to Bangkok. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 17, 2026.
Explore the most affordable flight options available from Portland to Bangkok. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 17, 2026.
This Air Canada deal was found by Cheapflights users on 8/13. 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.
Mon 9/710:10 am -
1 stop28h 55m
Wed 10/217:05 am -
1 stop21h 46m
Deal found 8/13![Air Canada logo]()
$833
This Justfly.com deal was found by Cheapflights users on 8/14. 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.
Wed 9/27:45 pm -
1 stop19h 20m
Wed 9/307:05 am -
2 stops29h 52m
Deal found 8/14![Air Canada logo]()
$853
This Justfly.com deal was found by Cheapflights users on 8/13. 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 9/17:45 pm -
2 stops37h 50m
Mon 9/281:35 am -
2 stops31h 36m
Deal found 8/13![Air Canada logo]()
$857
This Air Canada deal was found by Cheapflights users on 8/14. 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.
Mon 9/77:45 pm -
2 stops23h 50m
Mon 9/217:05 am -
1 stop16h 26m
Deal found 8/14![Multiple Airlines logo]()
$860
This FlightHub deal was found by Cheapflights users on 8/17. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/103:30 pm -
2 stops32h 45m
Mon 9/2811:30 pm -
2 stops29h 16m
Deal found 8/17![Air Canada logo]()
$862
This Air Canada deal was found by Cheapflights users on 8/14. 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.
Wed 9/27:45 pm -
2 stops23h 50m
Mon 9/2811:30 pm -
2 stops29h 16m
Deal found 8/14![Multiple Airlines logo]()
$868
This Air Canada deal was found by Cheapflights users on 8/14. 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 9/510:10 am -
1 stop28h 55m
Wed 9/237:05 am -
1 stop21h 41m
Deal found 8/14![Air Canada logo]()
$878
This Trip.com deal was found by Cheapflights users on 8/15. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/127:03 am -
2 stops27h 12m
Wed 9/306:15 am -
2 stops31h 40m
Deal found 8/15![Multiple Airlines logo]()
$1,249
This Trip.com deal was found by Cheapflights users on 8/17. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/207:03 am -
2 stops27h 12m
Sat 8/226:15 am -
2 stops40h 39m
Deal found 8/17![Multiple Airlines logo]()
$1,309
This Trip.com deal was found by Cheapflights users on 8/14. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/217:01 am -
2 stops27h 14m
Fri 8/286:15 am -
2 stops41h 54m
Deal found 8/14![Multiple Airlines logo]()
$1,334
This KAYAK deal was found by Cheapflights users on 8/16. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/211:57 am -
2 stops28h 58m
Wed 12/1611:10 am -
2 stops46h 41m
Deal found 8/16![Multiple Airlines logo]()
$1,516
This Mytrip deal was found by Cheapflights users on 8/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/17:00 am -
2 stops28h 45m
Mon 12/72:35 am -
2 stops27h 06m
Deal found 8/14![Multiple Airlines logo]()
$1,552
Best flights from Portland to BangkokDiscover carefully curated flight deals from Portland to Bangkok that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 17, 2026.
Discover carefully curated flight deals from Portland to Bangkok that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 17, 2026.
This United Airlines deal was found by Cheapflights users on 8/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/117:30 am -
2 stops30h 40m
Tue 1/199:10 am -
2 stops26h 23m
Deal found 8/16![United Airlines logo]()
$998
This KAYAK deal was found by Cheapflights users on 8/12. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/301:59 pm -
2 stops32h 31m
Sat 9/51:30 pm -
2 stops43h 07m
Deal found 8/12![Multiple Airlines logo]()
$1,566
This Emirates deal was found by Cheapflights users on 8/17. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1111:15 am -
2 stops34h 10m
Mon 9/2811:50 pm -
2 stops32h 41m
Deal found 8/17![Emirates logo]()
$1,837
This United Airlines deal was found by Cheapflights users on 8/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/177:49 pm -
2 stops42h 21m
Wed 2/107:10 am -
3 stops26h 21m
Deal found 8/14![United Airlines logo]()
$999
This United Airlines deal was found by Cheapflights users on 8/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/177:49 pm -
2 stops42h 21m
Thu 2/47:10 am -
3 stops26h 21m
Deal found 8/14![United Airlines logo]()
$999
This United Airlines deal was found by Cheapflights users on 8/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/207:30 am -
3 stops37h 00m
Thu 1/289:10 am -
2 stops24h 21m
Deal found 8/13![United Airlines logo]()
$1,002
This United Airlines deal was found by Cheapflights users on 8/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/149:00 am -
3 stops34h 35m
Wed 10/289:10 am -
2 stops25h 52m
Deal found 8/16![United Airlines logo]()
$1,002
This United Airlines deal was found by Cheapflights users on 8/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/17:30 am -
2 stops30h 40m
Sun 12/134:55 pm -
2 stops36h 32m
Deal found 8/15![United Airlines logo]()
$1,016
This United Airlines deal was found by Cheapflights users on 8/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/193:23 pm -
3 stops28h 12m
Thu 10/223:45 pm -
2 stops22h 49m
Deal found 8/12![United Airlines logo]()
$1,020
This United Airlines deal was found by Cheapflights users on 8/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/85:35 am -
2 stops26h 15m
Thu 12/244:55 pm -
3 stops34h 07m
Deal found 8/12![United Airlines logo]()
$1,025
This IEagle deal was found by Cheapflights users on 8/15. 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 IEagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1111:15 am -
2 stops34h 10m
Thu 10/1512:10 pm -
2 stops44h 21m
Deal found 8/15![Emirates logo]()
$1,842
This United Airlines deal was found by Cheapflights users on 8/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/187:29 pm -
2 stops38h 26m
Fri 12/114:55 pm -
3 stops40h 36m
Deal found 8/16![United Airlines logo]()
$1,064
This IEagle deal was found by Cheapflights users on 8/14. 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 IEagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/21:03 pm -
2 stops41h 42m
Sat 10/3111:00 pm -
2 stops34h 24m
Deal found 8/14![Emirates logo]()
$1,970
This Mytrip deal was found by Cheapflights users on 8/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2010:00 am -
2 stops24h 30m
Sun 11/296:55 am -
3 stops26h 36m
Deal found 8/15![Multiple Airlines logo]()
$2,352
This Justfly.com deal was found by Cheapflights users on 8/16. 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.
Sat 10/241:13 pm -
2 stops30h 52m
Fri 10/3011:00 pm -
2 stops33h 24m
Deal found 8/16![Emirates logo]()
$1,989
This FlightHub deal was found by Cheapflights users on 8/17. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1011:15 am -
2 stops34h 10m
Thu 9/1711:50 pm -
2 stops37h 25m
Deal found 8/17![Emirates logo]()
$2,135
This FlightHub deal was found by Cheapflights users on 8/17. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1711:15 am -
2 stops33h 55m
Sat 12/1211:00 pm -
2 stops39h 11m
Deal found 8/17![Emirates logo]()
$2,185
This IEagle deal was found by Cheapflights users on 8/15. 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 IEagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/2310:59 am -
2 stops42h 11m
Sun 11/298:55 am -
2 stops48h 29m
Deal found 8/15![Emirates logo]()
$2,218
This IEagle deal was found by Cheapflights users on 8/15. 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 IEagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/3010:56 am -
2 stops43h 49m
Sun 10/1112:10 pm -
2 stops44h 21m
Deal found 8/15![Emirates logo]()
$2,391
This FlightHub deal was found by Cheapflights users on 8/17. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1011:15 am -
2 stops34h 10m
Sun 9/2711:50 pm -
2 stops32h 41m
Deal found 8/17![Emirates logo]()
$2,512
Last-minute flights from Portland to BangkokDiscover last-minute flight deals from Portland to Bangkok. Data last updated August 17, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Bangkok. Data last updated August 17, 2026 and is based on user searches.
This Trip.com deal was found by Cheapflights users on 8/17. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/207:03 am -
2 stops27h 12m
Sat 8/226:15 am -
2 stops40h 39m
Deal found 8/17![Multiple Airlines logo]()
$1,309
This Trip.com deal was found by Cheapflights users on 8/14. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/217:01 am -
2 stops27h 14m
Fri 8/286:15 am -
2 stops41h 54m
Deal found 8/14![Multiple Airlines logo]()
$1,334
This KAYAK deal was found by Cheapflights users on 8/12. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/301:59 pm -
2 stops32h 31m
Sat 9/51:30 pm -
2 stops43h 07m
Deal found 8/12![Multiple Airlines logo]()
$1,566
This Justfly.com deal was found by Cheapflights users on 8/13. 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 9/17:45 pm -
2 stops37h 50m
Mon 9/281:35 am -
2 stops31h 36m
Deal found 8/13![Air Canada logo]()
$857
This Justfly.com deal was found by Cheapflights users on 8/14. 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.
Wed 9/27:45 pm -
1 stop19h 20m
Wed 9/307:05 am -
2 stops29h 52m
Deal found 8/14![Air Canada logo]()
$853
This Air Canada deal was found by Cheapflights users on 8/14. 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.
Wed 9/27:45 pm -
2 stops23h 50m
Mon 9/2811:30 pm -
2 stops29h 16m
Deal found 8/14![Multiple Airlines logo]()
$868
This Air Canada deal was found by Cheapflights users on 8/14. 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 9/510:10 am -
1 stop28h 55m
Wed 9/237:05 am -
1 stop21h 41m
Deal found 8/14![Air Canada logo]()
$878
This Air Canada deal was found by Cheapflights users on 8/13. 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.
Mon 9/710:10 am -
1 stop28h 55m
Wed 10/217:05 am -
1 stop21h 46m
Deal found 8/13![Air Canada logo]()
$833
This Air Canada deal was found by Cheapflights users on 8/14. 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.
Mon 9/77:45 pm -
2 stops23h 50m
Mon 9/217:05 am -
1 stop16h 26m
Deal found 8/14![Multiple Airlines logo]()
$860
This FlightHub deal was found by Cheapflights users on 8/17. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/103:30 pm -
2 stops32h 45m
Mon 9/282:35 am -
2 stops26h 11m
Deal found 8/17![Air Canada logo]()
$862
This Trip.com deal was found by Cheapflights users on 8/15. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/127:03 am -
2 stops27h 12m
Wed 9/306:15 am -
2 stops31h 40m
Deal found 8/15![Multiple Airlines logo]()
$1,249
This Expedia deal was found by Cheapflights users on 8/16. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/307:09 am -
2 stops38h 01m
Wed 10/712:10 pm -
2 stops49h 44m
Deal found 8/16![Multiple Airlines logo]()
$1,586
One-way flights from Portland to BangkokSearch for one-way flight options from Portland to Bangkok. Find affordable one-way fares based on user searches. Data last updated August 17, 2026.
Search for one-way flight options from Portland to Bangkok. Find affordable one-way fares based on user searches. Data last updated August 17, 2026.
This Expedia deal was found by Cheapflights users on 8/15. 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.
Mon 8/313:30 pm -
1 stop23h 35m
Deal found 8/15![Air Canada logo]()
$419
This Priceline deal was found by Cheapflights users on 8/16. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/17:45 pm -
2 stops36h 10m
Deal found 8/16![Air Canada logo]()
$441
This SmartFares deal was found by Cheapflights users on 8/15. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/89:33 pm -
2 stops44h 22m
Deal found 8/15![Multiple Airlines logo]()
$459
This oojo deal was found by Cheapflights users on 8/16. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/285:41 pm -
2 stops39h 54m
Deal found 8/16![Multiple Airlines logo]()
$460
This FlightHub deal was found by Cheapflights users on 8/12. 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.
Sat 8/2910:10 am -
1 stop28h 55m
Deal found 8/12![Air Canada logo]()
$469
This Kiwi.com deal was found by Cheapflights users on 8/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/77:04 am -
2 stops47h 21m
Deal found 8/15![Multiple Airlines logo]()
$470
This Air Canada deal was found by Cheapflights users on 8/12. 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.
Wed 9/27:45 pm -
1 stop19h 20m
Deal found 8/12![Air Canada logo]()
$471
This FlightHub deal was found by Cheapflights users on 8/13. 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.
Fri 8/2811:02 pm -
2 stops40h 03m
Deal found 8/13![Air Canada logo]()
$473
This Justfly.com deal was found by Cheapflights users on 8/13. 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.
Fri 8/217:45 pm -
2 stops37h 50m
Deal found 8/13![Air Canada logo]()
$476
This Air Canada deal was found by Cheapflights users on 8/12. 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.
Thu 8/2710:10 am -
2 stops23h 25m
Deal found 8/12![Air Canada logo]()
$478
This Kiwi.com deal was found by Cheapflights users on 8/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/288:07 am -
3 stops45h 23m
Deal found 8/12![Multiple Airlines logo]()
$504
This Kiwi.com deal was found by Cheapflights users on 8/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/19:32 pm -
3 stops57h 48m
Deal found 8/12![Multiple Airlines logo]()
$531
Find flight deals from Portland to Bangkok
Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) to Bangkok (TH1). 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 August 17, 2026.
Round-trip from | $833 (Air Canada) |
|---|---|
One-way from | $419 (Expedia) |
Popular in | December |
Cheapest in | April |
Average price | $1,033 |
Cheapflights Fare Finder
Customize your flight search to find flights from Portland to Bangkok 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 August 17, 2026.
Use the filters below to find and compare flights from Portland to Bangkok that are best for you.
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Cheapest round-trip
PortlandBangkok
PDX Portland - BKK Bangkok Suvarnabhumi
PDXBKK
Portland
Mon 1/11
7:30 am-5:10 am
2 stops30h 40m
Bangkok Suvarnabhumi
Tue 1/19
9:10 am-8:33 pm
2 stops26h 23m
$998
PortlandBangkok
PDX Portland - BKK Bangkok Suvarnabhumi
PDXBKK
Portland
Sun 1/17
7:49 pm-5:10 am
2 stops42h 21m
Bangkok Suvarnabhumi
Wed 2/10
7:10 am-6:31 pm
3 stops26h 21m
$999
PortlandBangkok
PDX Portland - BKK Bangkok Suvarnabhumi
PDXBKK
Portland
Sun 1/17
7:49 pm-5:10 am
2 stops42h 21m
Bangkok Suvarnabhumi
Thu 2/4
7:10 am-6:31 pm
3 stops26h 21m
$999
PortlandBangkok
PDX Portland - BKK Bangkok Suvarnabhumi
PDXBKK
Portland
Wed 1/20
7:30 am-11:30 am
3 stops37h 00m
Bangkok Suvarnabhumi
Thu 1/28
9:10 am-6:31 pm
2 stops24h 21m
$1,002
PortlandBangkok
PDX Portland - BKK Bangkok Suvarnabhumi
PDXBKK
Portland
Wed 10/14
9:00 am-9:35 am
3 stops34h 35m
Bangkok Suvarnabhumi
Wed 10/28
9:10 am-9:02 pm
2 stops25h 52m
$1,002
PortlandBangkok
PDX Portland - BKK Bangkok Suvarnabhumi
PDXBKK
Portland
Tue 12/1
7:30 am-5:10 am
2 stops30h 40m
Bangkok Suvarnabhumi
Sun 12/13
4:55 pm-2:27 pm
2 stops36h 32m
$1,016
Quickest round-trip
PortlandBangkok
PDX Portland - BKK Bangkok Suvarnabhumi
PDXBKK
Portland
Mon 10/19
3:23 pm-9:35 am
3 stops28h 12m
Bangkok Suvarnabhumi
Thu 10/22
3:45 pm-12:34 am
2 stops22h 49m
$1,020
PortlandBangkok
PDX Portland - BKK Bangkok Suvarnabhumi
PDXBKK
Portland
Tue 12/8
5:35 am-10:50 pm
2 stops26h 15m
Bangkok Suvarnabhumi
Thu 12/24
4:55 pm-12:02 pm
3 stops34h 07m
$1,025
PortlandBangkok
PDX Portland - BKK Bangkok Suvarnabhumi
PDXBKK
Portland
Sun 10/18
7:29 pm-11:55 pm
2 stops38h 26m
Bangkok Suvarnabhumi
Fri 12/11
4:55 pm-6:31 pm
3 stops40h 36m
$1,064
PortlandBangkok
PDX Portland - DMK Bangkok Don Mueang Intl
PDXDMK
Portland
Sun 8/30
1:59 pm-12:30 pm
2 stops32h 31m
Bangkok Don Mueang Intl
Sat 9/5
1:30 pm-6:37 pm
2 stops43h 07m
$1,566
Showing 1-10 of 43 resultsSorted by cheapest first
Best time to book a flight from Portland to Bangkok
Have a flexible travel schedule? Discover the best time to fly to Bangkok from Portland with our price prediction graph.
PDX-TH1
PDX-BKK
PDX-DMK
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 Portland to Bangkok
PDX-TH1
PDX-BKK
PDX-DMK
What is the cheapest month to book a flight from Portland to Bangkok?
Currently, April is the cheapest month in which you can book a flight from Portland to Bangkok (average of $914). Flying from Portland to Bangkok in December is currently the most expensive (average of $1,780). 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 to fly round-trip from Portland to Bangkok?
Airfare is below average for this route at the moment.
Portland to Bangkok flights typically cost between $852 and $1,153 in September.The cheapest round-trip price found within the last 5 days was $833 on Air Canada (Sep 7-Oct 21).
How far ahead should I book a flight from Portland to Bangkok?
Booking 60 days in advance of your planned departure date is, on average, the best time to get cheap flights from Portland to Bangkok. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Reviews of airlines servicing Bangkok
Get insights into the airlines that provide service to Bangkok. 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 Bangkok. Reviews last updated August 17, 2026.
Peruse reviews from past customers who have flown with STARLUX Airlines,EVA Air, andChina Airlines from Portland to Bangkok 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.
Food
8.6
Overall
8.8
Comfort
8.8
Boarding
8.9
Crew
9.1
Entertainment
8.7
Reviews
1 / 15
8.0
ExcellentAnonymous,Jul 2026
TPE - CRK
Food
8.6
Overall
8.8
Comfort
8.8
Boarding
8.9
Crew
9.1
Entertainment
8.7
Reviews
1 / 15
8.0
ExcellentAnonymous,Jul 2026
TPE - CRK
Food
8.6
Overall
8.8
Comfort
8.8
Boarding
8.9
Crew
9.1
Entertainment
8.7
Reviews
1 / 15
8.0
ExcellentAnonymous,Jul 2026
TPE - CRK
Food
8.6
Overall
8.8
Comfort
8.8
Boarding
8.9
Crew
9.1
Entertainment
8.7
Reviews
1 / 15
8.0
ExcellentAnonymous,Jul 2026
TPE - CRK
Food
8.6
Overall
8.8
Comfort
8.8
Boarding
8.9
Crew
9.1
Entertainment
8.7
Reviews
1 / 15
8.0
ExcellentAnonymous,Jul 2026
TPE - CRK
Food
8.6
Overall
8.8
Comfort
8.8
Boarding
8.9
Crew
9.1
Entertainment
8.7
Reviews
1 / 15
8.0
ExcellentAnonymous,Jul 2026
TPE - CRK
Related info for your journey
Find useful and relevant information for your journey from Portland to Bangkok. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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.
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Alternative routes for Portland to Bangkok
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Bangkok by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Portland to Bangkok by cabin class
Find flights from Portland to Bangkok, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Portland and Bangkok flights
Browse other Portland and Bangkok flight options. Last updated on August 17, 2026.
Other flights from Portland
Browse through other flights departing from Portland. Flights are based on user searches made on Cheapflights and were last updated on August 17, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 10 airlines flying from Portland to Bangkok
Discover the top 10 airlines that operate flights from Portland to Bangkok. 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 August 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$139 | Average$840 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$653 | Average$1,074 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$753 | Average$851 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$759 | Average$914 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$773 | Average$903 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$776 | Average$1,120 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$845 | Average$952 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$852 | Average$1,030 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$890 | Average$1,402 | FlexibilityNo cancel fee | On-time80% | |
| Cheapest$896 | Average$982 | FlexibilityNo cancel fee | On-time74% |