$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 21 — Sep 281
Round-trip
1 adult, Economy
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Find cheap flights from Portland to Bangkok with Cheapflights
1. Tell us where you want to go
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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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 22, 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 22, 2026.
This FlightHub deal was found by Cheapflights users on 8/20. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/710:10 am -
2 stops23h 25m
Wed 10/217:05 am -
1 stop26h 06m
Deal found 8/20![Air Canada logo]()
$770
This FlightHub deal was found by Cheapflights users on 8/19. 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.
Tue 9/17:45 pm -
2 stops37h 50m
Mon 9/281:35 am -
2 stops31h 36m
Deal found 8/19![Air Canada logo]()
$778
This FlightHub deal was found by Cheapflights users on 8/19. 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.
Wed 9/167:45 pm -
1 stop19h 20m
Sun 9/272:00 pm -
2 stops33h 31m
Deal found 8/19![Air Canada logo]()
$792
This Justfly.com deal was found by Cheapflights users on 8/21. 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.
Mon 9/217:45 pm -
2 stops35h 00m
Sun 10/117:25 am -
2 stops40h 06m
Deal found 8/21![Air Canada logo]()
$796
This FlightHub deal was found by Cheapflights users on 8/19. 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.
Tue 9/157:45 pm -
2 stops36h 25m
Sun 9/272:00 pm -
2 stops33h 31m
Deal found 8/19![Air Canada logo]()
$804
This Justfly.com deal was found by Cheapflights users on 8/19. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/163:30 pm -
1 stop23h 35m
Fri 9/257:05 am -
1 stop16h 26m
Deal found 8/19![Air Canada logo]()
$808
This Air Canada deal was found by Cheapflights users on 8/19. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/147:45 pm -
1 stop19h 20m
Wed 9/237:05 am -
1 stop26h 06m
Deal found 8/19![Air Canada logo]()
$813
This FlightHub deal was found by Cheapflights users on 8/19. 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.
Wed 9/1610:10 am -
1 stop28h 55m
Fri 9/251:35 am -
2 stops31h 36m
Deal found 8/19![Air Canada logo]()
$815
This Air Canada deal was found by Cheapflights users on 8/19. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1511:02 pm -
2 stops40h 03m
Mon 9/287:05 am -
1 stop26h 06m
Deal found 8/19![Air Canada logo]()
$818
This Trip.com deal was found by Cheapflights users on 8/18. 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 8/209:32 pm -
2 stops36h 43m
Sat 8/296:15 am -
2 stops40h 39m
Deal found 8/18![Multiple Airlines logo]()
$1,250
This Trip.com deal was found by Cheapflights users on 8/20. 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 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
Wed 8/263:00 am -
2 stops33h 58m
Deal found 8/20![Multiple Airlines logo]()
$1,305
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.
Fri 8/217:01 am -
2 stops27h 14m
Sun 8/239:40 am -
2 stops25h 11m
Deal found 8/17![Multiple Airlines logo]()
$1,503
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 22, 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 22, 2026.
This United Airlines deal was found by Cheapflights users on 8/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/115:35 am -
2 stops26h 15m
Tue 1/199:10 am -
2 stops26h 23m
Deal found 8/19![United Airlines logo]()
$923
This Delta deal was found by Cheapflights users on 8/21. 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.
Wed 1/209:40 am -
2 stops24h 05m
Sun 1/3111:15 pm -
2 stops32h 44m
Deal found 8/21![Delta logo]()
$992
This Mytrip deal was found by Cheapflights users on 8/22. 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.
Mon 11/210:00 am -
2 stops24h 30m
Mon 11/162:30 am -
2 stops27h 11m
Deal found 8/22![Multiple Airlines logo]()
$1,767
This IEagle deal was found by Cheapflights users on 8/19. 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 IEagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/201:03 pm -
2 stops41h 42m
Tue 11/1711:00 pm -
2 stops34h 20m
Deal found 8/19![Emirates logo]()
$1,806
This United Airlines deal was found by Cheapflights users on 8/19. 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 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 8/19![United Airlines logo]()
$924
This United Airlines deal was found by Cheapflights users on 8/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/189:00 am -
3 stops34h 35m
Fri 12/114:55 pm -
2 stops22h 59m
Deal found 8/19![United Airlines logo]()
$942
This United Airlines deal was found by Cheapflights users on 8/18. 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 9/151:03 pm -
3 stops30h 32m
Tue 9/223:45 pm -
3 stops32h 26m
Deal found 8/18![United Airlines logo]()
$964
This IEagle deal was found by Cheapflights users on 8/21. 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.
Thu 11/197:35 pm -
3 stops30h 25m
Sat 11/289:15 am -
3 stops27h 36m
Deal found 8/21![Multiple Airlines logo]()
$1,880
This Emirates deal was found by Cheapflights users on 8/22. 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.
Sat 10/101:13 pm -
2 stops31h 57m
Sun 11/111:10 am -
2 stops46h 14m
Deal found 8/22![Emirates logo]()
$1,887
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.
Wed 9/911:15 am -
2 stops35h 15m
Fri 9/1812:10 pm -
2 stops44h 09m
Deal found 8/17![Emirates logo]()
$1,919
This Emirates deal was found by Cheapflights users on 8/20. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/171:03 pm -
2 stops41h 42m
Thu 9/2411:50 pm -
2 stops32h 41m
Deal found 8/20![Emirates logo]()
$1,969
This FlightHub deal was found by Cheapflights users on 8/21. 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 9/1210:53 am -
2 stops35h 37m
Sun 10/2511:00 pm -
2 stops33h 24m
Deal found 8/21![Emirates logo]()
$2,022
This FlightHub deal was found by Cheapflights users on 8/22. 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 9/171:03 pm -
2 stops32h 07m
Sat 12/1211:00 pm -
2 stops39h 08m
Deal found 8/22![Emirates logo]()
$2,059
This IEagle 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 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
Fri 12/118:55 am -
2 stops48h 36m
Deal found 8/17![Emirates logo]()
$2,103
This Emirates deal was found by Cheapflights users on 8/21. 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.
Mon 10/51:03 pm -
2 stops32h 07m
Mon 10/1212:10 pm -
2 stops44h 21m
Deal found 8/21![Emirates logo]()
$2,154
Last-minute flights from Portland to BangkokDiscover last-minute flight deals from Portland to Bangkok. Data last updated August 22, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Bangkok. Data last updated August 22, 2026 and is based on user searches.
This Trip.com deal was found by Cheapflights users on 8/18. 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 8/209:32 pm -
2 stops36h 43m
Sat 8/296:15 am -
2 stops40h 39m
Deal found 8/18![Multiple Airlines logo]()
$1,250
This Trip.com deal was found by Cheapflights users on 8/20. 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 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
Wed 8/263:00 am -
2 stops33h 58m
Deal found 8/20![Multiple Airlines logo]()
$1,305
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.
Fri 8/217:01 am -
2 stops27h 14m
Sun 8/239:40 am -
2 stops25h 11m
Deal found 8/17![Multiple Airlines logo]()
$1,503
This FlightHub deal was found by Cheapflights users on 8/19. 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.
Tue 9/17:45 pm -
2 stops37h 50m
Mon 9/281:35 am -
2 stops31h 36m
Deal found 8/19![Air Canada logo]()
$778
This FlightHub deal was found by Cheapflights users on 8/20. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/710:10 am -
2 stops23h 25m
Wed 10/217:05 am -
1 stop26h 06m
Deal found 8/20![Air Canada logo]()
$770
This Air Canada deal was found by Cheapflights users on 8/19. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/147:45 pm -
1 stop19h 20m
Wed 9/237:05 am -
1 stop26h 06m
Deal found 8/19![Air Canada logo]()
$813
This FlightHub deal was found by Cheapflights users on 8/19. 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.
Tue 9/157:45 pm -
2 stops36h 25m
Sun 9/272:00 pm -
2 stops33h 31m
Deal found 8/19![Air Canada logo]()
$804
This Air Canada deal was found by Cheapflights users on 8/19. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1511:02 pm -
2 stops40h 03m
Mon 9/287:05 am -
1 stop26h 06m
Deal found 8/19![Air Canada logo]()
$818
This FlightHub deal was found by Cheapflights users on 8/19. 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.
Wed 9/167:45 pm -
1 stop19h 20m
Sun 9/272:00 pm -
2 stops33h 31m
Deal found 8/19![Air Canada logo]()
$792
This Justfly.com deal was found by Cheapflights users on 8/19. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/163:30 pm -
1 stop23h 35m
Fri 9/257:05 am -
1 stop16h 26m
Deal found 8/19![Air Canada logo]()
$808
This FlightHub deal was found by Cheapflights users on 8/19. 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.
Wed 9/1610:10 am -
1 stop28h 55m
Fri 9/251:35 am -
2 stops31h 36m
Deal found 8/19![Air Canada logo]()
$815
This Justfly.com deal was found by Cheapflights users on 8/21. 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.
Mon 9/217:45 pm -
2 stops35h 00m
Sun 10/117:25 am -
2 stops40h 06m
Deal found 8/21![Air Canada logo]()
$796
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 22, 2026.
Search for one-way flight options from Portland to Bangkok. Find affordable one-way fares based on user searches. Data last updated August 22, 2026.
This Expedia deal was found by Cheapflights users on 8/19. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/317:45 pm -
1 stop19h 20m
Deal found 8/19![Air Canada logo]()
$419
This SmartFares deal was found by Cheapflights users on 8/21. 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.
Thu 11/261:53 pm -
2 stops28h 02m
Deal found 8/21![Multiple Airlines logo]()
$448
This SmartFares deal was found by Cheapflights users on 8/19. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/179:59 pm -
2 stops43h 56m
Deal found 8/19![Multiple Airlines logo]()
$459
This United Airlines deal was found by Cheapflights users on 8/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/17:10 am -
3 stops37h 20m
Deal found 8/19![United Airlines logo]()
$460
This SmartFares deal was found by Cheapflights users on 8/19. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/177:10 am -
2 stops24h 40m
Deal found 8/19![ANA logo]()
$469
This United Airlines deal was found by Cheapflights users on 8/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/281:03 pm -
3 stops30h 32m
Deal found 8/19![United Airlines logo]()
$470
This FlightHub deal was found by Cheapflights users on 8/18. 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 8/18![Air Canada logo]()
$473
This United Airlines deal was found by Cheapflights users on 8/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/23:23 pm -
2 stops28h 12m
Deal found 8/19![United Airlines logo]()
$474
This United Airlines deal was found by Cheapflights users on 8/18. 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 9/2910:56 am -
3 stops32h 39m
Deal found 8/18![United Airlines logo]()
$475
This Kiwi.com deal was found by Cheapflights users on 8/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/225:48 pm -
3 stops33h 47m
Deal found 8/20![Multiple Airlines logo]()
$567
This Kiwi.com deal was found by Cheapflights users on 8/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/205:48 pm -
3 stops33h 47m
Deal found 8/20![Multiple Airlines logo]()
$568
This Kiwi.com deal was found by Cheapflights users on 8/21. 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 11/175:53 pm -
3 stops34h 52m
Deal found 8/21![Multiple Airlines logo]()
$569
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 22, 2026.
Round-trip from | $770 (FlightHub) |
|---|---|
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 7,457,451 searches. Data last updated August 22, 2026.
Use the filters below to find and compare flights from Portland to Bangkok that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PortlandBangkok
PDX Portland - BKK Bangkok Suvarnabhumi
PDXBKK
Portland
Mon 1/11
5:35 am-10:50 pm
2 stops26h 15m
Bangkok Suvarnabhumi
Tue 1/19
9:10 am-8:33 pm
2 stops26h 23m
$923
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
$924
PortlandBangkok
PDX Portland - BKK Bangkok Suvarnabhumi
PDXBKK
Portland
Sun 10/18
9:00 am-9:35 am
3 stops34h 35m
Bangkok Suvarnabhumi
Fri 12/11
4:55 pm-12:54 am
2 stops22h 59m
$942
PortlandBangkok
PDX Portland - BKK Bangkok Suvarnabhumi
PDXBKK
Portland
Tue 9/15
1:03 pm-9:35 am
3 stops30h 32m
Bangkok Suvarnabhumi
Tue 9/22
3:45 pm-10:11 am
3 stops32h 26m
$964
PortlandBangkok
PDX Portland - BKK Bangkok Suvarnabhumi
PDXBKK
Portland
Wed 1/20
9:40 am-12:45 am
2 stops24h 05m
Bangkok Suvarnabhumi
Sun 1/31
11:15 pm-4:59 pm
2 stops32h 44m
$992
Quickest round-trip
PortlandBangkok
PDX Portland - DMK Bangkok Don Mueang Intl
PDXDMK
Portland
Mon 11/2
10:00 am-1:30 am
2 stops24h 30m
Bangkok Don Mueang Intl
Mon 11/16
2:30 am-2:41 pm
2 stops27h 11m
$1,767
PortlandBangkok
PDX Portland - DMK Bangkok Don Mueang Intl
PDXDMK
Portland
Tue 10/20
1:03 pm-8:45 pm
2 stops41h 42m
Bangkok Don Mueang Intl
Tue 11/17
11:00 pm-6:20 pm
2 stops34h 20m
$1,806
PortlandBangkok
PDX Portland - DMK Bangkok Don Mueang Intl
PDXDMK
Portland
Thu 11/19
7:35 pm-5:00 pm
3 stops30h 25m
Bangkok Don Mueang Intl
Sat 11/28
9:15 am-9:51 pm
3 stops27h 36m
$1,880
PortlandBangkok
PDX Portland - DMK Bangkok Don Mueang Intl
PDXDMK
Portland
Sat 10/10
1:13 pm-11:10 am
2 stops31h 57m
Bangkok Don Mueang Intl
Sun 11/1
11:10 am-7:24 pm
2 stops46h 14m
$1,887
PortlandBangkok
PDX Portland - DMK Bangkok Don Mueang Intl
PDXDMK
Portland
Wed 9/9
11:15 am-12:30 pm
2 stops35h 15m
Bangkok Don Mueang Intl
Fri 9/18
12:10 pm-6:19 pm
2 stops44h 09m
$1,919
Showing 1-10 of 35 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 $1,784). 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 $864 and $1,164 in September.The cheapest round-trip price found within the last 5 days was $770 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 22, 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.
Comfort
8.8
Overall
8.8
Boarding
8.9
Crew
9.1
Entertainment
8.7
Food
8.6
Reviews
1 / 15
8.0
ExcellentAnonymous,Jul 2026
TPE - CRK
Comfort
8.8
Overall
8.8
Boarding
8.9
Crew
9.1
Entertainment
8.7
Food
8.6
Reviews
1 / 15
8.0
ExcellentAnonymous,Jul 2026
TPE - CRK
Comfort
8.8
Overall
8.8
Boarding
8.9
Crew
9.1
Entertainment
8.7
Food
8.6
Reviews
1 / 15
8.0
ExcellentAnonymous,Jul 2026
TPE - CRK
Comfort
8.8
Overall
8.8
Boarding
8.9
Crew
9.1
Entertainment
8.7
Food
8.6
Reviews
1 / 15
8.0
ExcellentAnonymous,Jul 2026
TPE - CRK
Comfort
8.8
Overall
8.8
Boarding
8.9
Crew
9.1
Entertainment
8.7
Food
8.6
Reviews
1 / 15
8.0
ExcellentAnonymous,Jul 2026
TPE - CRK
Comfort
8.8
Overall
8.8
Boarding
8.9
Crew
9.1
Entertainment
8.7
Food
8.6
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.
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Alternative routes for Portland to Bangkok
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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 22, 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 22, 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 7,457,451 searches. Data last updated August 22, 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% |