$344+ 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 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — BKK
Mar 12 — Mar 191
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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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 February 10, 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 February 10, 2026.
This United Airlines deal was found by Cheapflights users on 2/9. 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 9/16:00 pm
PDX
- BKK
3 stops25h 35m
United Airlines
Tue 9/223:45 pm
BKK
- PDX
3 stops31h 23m
United Airlines
Deal found 2/9![United Airlines logo]()
$877
This IEagle deal was found by Cheapflights users on 2/10. 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 5/135:50 pm
PDX
- BKK
2 stops25h 55m
Multiple Airlines
Sun 6/710:50 am
BKK
- PDX
2 stops26h 13m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$880
This United Airlines deal was found by Cheapflights users on 2/10. 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 9/158:46 am
PDX
- BKK
2 stops25h 09m
United Airlines
Tue 9/223:45 pm
BKK
- PDX
3 stops39h 09m
United Airlines
Deal found 2/10![United Airlines logo]()
$881
This oojo deal was found by Cheapflights users on 2/9. 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 10/25:40 pm
PDX
- BKK
2 stops32h 40m
China Airlines
Sun 10/185:30 pm
BKK
- PDX
2 stops30h 55m
China Airlines
Deal found 2/9![China Airlines logo]()
$883
This United Airlines deal was found by Cheapflights users on 2/9. 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 3/97:30 am
PDX
- BKK
3 stops37h 55m
United Airlines
Thu 3/124:55 pm
BKK
- PDX
2 stops21h 40m
United Airlines
Deal found 2/9![United Airlines logo]()
$885
This United Airlines deal was found by Cheapflights users on 2/10. 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 3/101:39 pm
PDX
- BKK
3 stops31h 46m
United Airlines
Tue 3/174:55 pm
BKK
- PDX
2 stops33h 38m
United Airlines
Deal found 2/10![United Airlines logo]()
$886
This United Airlines deal was found by Cheapflights users on 2/10. 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.
Thu 2/195:35 am
PDX
- BKK
2 stops38h 50m
United Airlines
Sun 3/14:55 pm
BKK
- PDX
2 stops41h 00m
United Airlines
Deal found 2/10![United Airlines logo]()
$889
This oojo deal was found by Cheapflights users on 2/7. 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.
Thu 2/197:05 am
PDX
- BKK
2 stops26h 10m
Cathay Pacific
Sat 3/74:55 pm
BKK
- PDX
2 stops30h 47m
Cathay Pacific
Deal found 2/7![Cathay Pacific logo]()
$891
This United Airlines deal was found by Cheapflights users on 2/10. 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 5/67:15 am
PDX
- BKK
3 stops36h 20m
United Airlines
Sun 5/173:45 pm
BKK
- PDX
2 stops47h 14m
United Airlines
Deal found 2/10![United Airlines logo]()
$892
This Expedia deal was found by Cheapflights users on 2/8. 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 3/43:52 pm
PDX
- BKK
2 stops29h 08m
Multiple Airlines
Thu 3/127:15 am
BKK
- PDX
1 stop16h 00m
Multiple Airlines
Deal found 2/8![Multiple Airlines logo]()
$895
This Orbitz deal was found by Cheapflights users on 2/8. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/89:19 pm
PDX
- BKK
2 stops22h 31m
Multiple Airlines
Sat 3/142:35 am
BKK
- PDX
2 stops45h 00m
Multiple Airlines
Deal found 2/8![Multiple Airlines logo]()
$898
This oojo deal was found by Cheapflights users on 2/10. 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.
Tue 2/105:50 pm
PDX
- BKK
2 stops28h 15m
China Airlines
Thu 4/301:20 pm
BKK
- PDX
2 stops34h 18m
China Airlines
Deal found 2/10![China Airlines logo]()
$904
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 February 10, 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 February 10, 2026.
This United Airlines deal was found by Cheapflights users on 2/9. 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 3/97:30 am
PDX
- BKK
3 stops37h 55m
United Airlines
Thu 3/124:55 pm
BKK
- PDX
2 stops21h 40m
United Airlines
Deal found 2/9![United Airlines logo]()
$885
This STARLUX Airlines deal was found by Cheapflights users on 2/7. 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 STARLUX Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/95:40 pm
PDX
- BKK
2 stops28h 55m
STARLUX Airlines
Thu 3/125:40 pm
BKK
- PDX
2 stops43h 01m
STARLUX Airlines
Deal found 2/7![STARLUX Airlines logo]()
$889
This Mytrip deal was found by Cheapflights users on 2/9. 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 4/209:50 am
PDX
- DMK
2 stops25h 40m
Multiple Airlines
Thu 4/308:15 am
DMK
- PDX
2 stops24h 15m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$1,184
This United Airlines deal was found by Cheapflights users on 2/10. 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 4/67:15 am
PDX
- BKK
2 stops36h 20m
United Airlines
Thu 5/73:45 pm
BKK
- PDX
3 stops41h 01m
United Airlines
Deal found 2/10![United Airlines logo]()
$886
This United Airlines deal was found by Cheapflights users on 2/9. 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 3/107:30 am
PDX
- BKK
2 stops37h 55m
United Airlines
Sun 3/154:55 pm
BKK
- PDX
2 stops33h 38m
United Airlines
Deal found 2/9![United Airlines logo]()
$889
This United Airlines deal was found by Cheapflights users on 2/9. 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.
Thu 2/197:30 am
PDX
- BKK
2 stops36h 55m
United Airlines
Wed 3/114:55 pm
BKK
- PDX
2 stops33h 38m
United Airlines
Deal found 2/9![United Airlines logo]()
$889
This United Airlines deal was found by Cheapflights users on 2/10. 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 5/67:15 am
PDX
- BKK
3 stops36h 20m
United Airlines
Sun 5/173:45 pm
BKK
- PDX
2 stops47h 14m
United Airlines
Deal found 2/10![United Airlines logo]()
$892
This United Airlines deal was found by Cheapflights users on 2/10. 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 5/61:37 pm
PDX
- BKK
3 stops29h 58m
United Airlines
Sat 5/167:00 am
BKK
- PDX
2 stops21h 57m
United Airlines
Deal found 2/10![United Airlines logo]()
$909
This Mytrip deal was found by Cheapflights users on 2/9. 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 3/279:50 am
PDX
- DMK
2 stops22h 15m
Multiple Airlines
Sat 4/1812:05 am
DMK
- PDX
3 stops28h 35m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$1,341
This United Airlines deal was found by Cheapflights users on 2/10. 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 4/203:30 pm
PDX
- BKK
3 stops28h 05m
United Airlines
Fri 5/13:45 pm
BKK
- PDX
3 stops37h 12m
United Airlines
Deal found 2/10![United Airlines logo]()
$917
This Mytrip deal was found by Cheapflights users on 2/7. 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 4/109:50 am
PDX
- DMK
2 stops25h 40m
Multiple Airlines
Mon 4/204:55 pm
DMK
- PDX
3 stops35h 45m
Multiple Airlines
Deal found 2/7![Multiple Airlines logo]()
$1,371
This United Airlines deal was found by Cheapflights users on 2/10. 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 5/57:15 am
PDX
- BKK
3 stops36h 20m
United Airlines
Sat 6/63:45 pm
BKK
- PDX
3 stops32h 18m
United Airlines
Deal found 2/10![United Airlines logo]()
$917
This Mytrip deal was found by Cheapflights users on 2/8. 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.
Wed 4/229:50 am
PDX
- DMK
2 stops26h 50m
Multiple Airlines
Sat 5/211:55 pm
DMK
- PDX
2 stops28h 50m
Multiple Airlines
Deal found 2/8![Multiple Airlines logo]()
$1,412
This Mytrip deal was found by Cheapflights users on 2/8. 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 4/69:50 am
PDX
- DMK
2 stops26h 50m
Multiple Airlines
Sun 4/192:15 am
DMK
- PDX
2 stops26h 25m
Multiple Airlines
Deal found 2/8![Multiple Airlines logo]()
$1,430
This Mytrip deal was found by Cheapflights users on 2/8. 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.
Wed 4/159:50 am
PDX
- DMK
3 stops32h 25m
Multiple Airlines
Wed 4/292:15 am
DMK
- PDX
2 stops30h 15m
Multiple Airlines
Deal found 2/8![Multiple Airlines logo]()
$1,442
This Mytrip deal was found by Cheapflights users on 2/8. 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.
Sun 3/19:50 am
PDX
- DMK
2 stops24h 40m
Multiple Airlines
Mon 3/1612:55 am
DMK
- PDX
2 stops31h 35m
Multiple Airlines
Deal found 2/8![Multiple Airlines logo]()
$1,447
Last-minute flights from Portland to BangkokDiscover last-minute flight deals from Portland to Bangkok. Data last updated February 10, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Bangkok. Data last updated February 10, 2026 and is based on user searches.
This oojo deal was found by Cheapflights users on 2/10. 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.
Tue 2/105:50 pm
PDX
- BKK
2 stops28h 15m
China Airlines
Thu 4/301:20 pm
BKK
- PDX
2 stops34h 18m
China Airlines
Deal found 2/10![China Airlines logo]()
$904
This United Airlines deal was found by Cheapflights users on 2/9. 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.
Thu 2/197:30 am
PDX
- BKK
2 stops36h 55m
United Airlines
Wed 3/114:55 pm
BKK
- PDX
2 stops33h 38m
United Airlines
Deal found 2/9![United Airlines logo]()
$889
This oojo deal was found by Cheapflights users on 2/7. 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.
Thu 2/197:05 am
PDX
- BKK
2 stops26h 10m
Cathay Pacific
Sat 3/74:55 pm
BKK
- PDX
2 stops30h 47m
Cathay Pacific
Deal found 2/7![Cathay Pacific logo]()
$891
This SmartFares deal was found by Cheapflights users on 2/9. 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.
Mon 3/27:05 am
PDX
- BKK
2 stops25h 35m
Multiple Airlines
Tue 3/311:35 am
BKK
- PDX
2 stops26h 15m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$910
This Expedia deal was found by Cheapflights users on 2/8. 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 3/43:52 pm
PDX
- BKK
2 stops29h 08m
Multiple Airlines
Thu 3/127:15 am
BKK
- PDX
1 stop16h 00m
Multiple Airlines
Deal found 2/8![Multiple Airlines logo]()
$895
This oojo deal was found by Cheapflights users on 2/7. 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.
Thu 3/57:05 am
PDX
- BKK
2 stops25h 35m
EVA Air
Thu 4/94:45 pm
BKK
- PDX
2 stops20h 59m
EVA Air
Deal found 2/7![EVA Air logo]()
$908
This Orbitz deal was found by Cheapflights users on 2/8. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/89:19 pm
PDX
- BKK
2 stops22h 31m
Multiple Airlines
Sat 3/142:35 am
BKK
- PDX
2 stops45h 00m
Multiple Airlines
Deal found 2/8![Multiple Airlines logo]()
$898
This United Airlines deal was found by Cheapflights users on 2/9. 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 3/97:30 am
PDX
- BKK
3 stops37h 55m
United Airlines
Thu 3/124:55 pm
BKK
- PDX
2 stops21h 40m
United Airlines
Deal found 2/9![United Airlines logo]()
$885
This STARLUX Airlines deal was found by Cheapflights users on 2/6. 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 STARLUX Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/95:40 pm
PDX
- BKK
2 stops28h 55m
STARLUX Airlines
Thu 3/125:40 pm
BKK
- PDX
2 stops43h 01m
STARLUX Airlines
Deal found 2/6![STARLUX Airlines logo]()
$914
This United Airlines deal was found by Cheapflights users on 2/10. 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 3/101:39 pm
PDX
- BKK
3 stops31h 46m
United Airlines
Tue 3/174:55 pm
BKK
- PDX
2 stops33h 38m
United Airlines
Deal found 2/10![United Airlines logo]()
$886
This KAYAK deal was found by Cheapflights users on 2/7. 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.
Mon 3/1610:48 am
PDX
- BKK
3 stops43h 32m
Multiple Airlines
Mon 4/65:55 pm
BKK
- PDX
2 stops33h 55m
Multiple Airlines
Deal found 2/7![Multiple Airlines logo]()
$916
This KAYAK deal was found by Cheapflights users on 2/9. 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.
Tue 3/317:14 am
PDX
- BKK
2 stops26h 16m
Multiple Airlines
Tue 4/1412:25 pm
BKK
- PDX
2 stops22h 07m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$909
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 February 10, 2026.
Search for one-way flight options from Portland to Bangkok. Find affordable one-way fares based on user searches. Data last updated February 10, 2026.
This oojo deal was found by Cheapflights users on 2/10. 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.
Thu 3/51:36 pm
PDX
- BKK
2 stops37h 14m
Philippine Airlines
Deal found 2/10![Philippine Airlines logo]()
$344
This oojo deal was found by Cheapflights users on 2/7. 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.
Sat 2/289:19 pm
PDX
- BKK
2 stops53h 31m
Philippine Airlines
Deal found 2/7![Philippine Airlines logo]()
$355
This Expedia deal was found by Cheapflights users on 2/9. 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.
Thu 2/198:30 am
PDX
- BKK
2 stops47h 30m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$365
This EaseMyTrip deal was found by Cheapflights users on 2/9. 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 EaseMyTrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/249:19 pm
PDX
- BKK
2 stops47h 41m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$382
This oojo deal was found by Cheapflights users on 2/7. 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.
Thu 2/199:19 pm
PDX
- BKK
2 stops53h 31m
Philippine Airlines
Deal found 2/7![Philippine Airlines logo]()
$405
This Kiwi.com deal was found by Cheapflights users on 2/8. 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.
Wed 3/43:52 pm
PDX
- BKK
3 stops38h 33m
Multiple Airlines
Deal found 2/8![Multiple Airlines logo]()
$416
This oojo deal was found by Cheapflights users on 2/9. 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.
Tue 3/177:16 am
PDX
- BKK
2 stops26h 59m
Cathay Pacific
Deal found 2/9![Cathay Pacific logo]()
$421
This Kiwi.com deal was found by Cheapflights users on 2/10. 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.
Mon 5/49:53 am
PDX
- DMK
3 stops47h 37m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$432
This SmartFares deal was found by Cheapflights users on 2/7. 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 2/159:48 pm
PDX
- BKK
2 stops45h 02m
Multiple Airlines
Deal found 2/7![Multiple Airlines logo]()
$451
This Kiwi.com deal was found by Cheapflights users on 2/7. 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.
Mon 2/237:16 pm
PDX
- BKK
2 stops36h 44m
Multiple Airlines
Deal found 2/7![Multiple Airlines logo]()
$453
This Kiwi.com deal was found by Cheapflights users on 2/10. 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 3/105:50 pm
PDX
- DMK
3 stops39h 20m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$454
This Kiwi.com deal was found by Cheapflights users on 2/10. 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 5/55:51 pm
PDX
- DMK
3 stops33h 44m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$455
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 February 10, 2026.
Round-trip from | $877 (United Airlines) |
|---|---|
One-way from | $344 (oojo) |
Popular in | December |
Cheapest in | August |
Average price | $1,046 |
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 February 10, 2026.
Use the filters below to find and compare flights from Portland to Bangkok that are best for you.
Fly from
Portland
Fly to
Bangkok
Route
Depart
Return
Price
PortlandBangkok
PDX - BKK
PDXBKK
Portland
Mon 3/9
7:30 am-11:25 am
3 stops37h 55m
Bangkok Suvarnabhumi
Thu 3/12
4:55 pm-12:35 am
2 stops21h 40m
$885
PortlandBangkok
PDX - BKK
PDXBKK
Portland
Mon 4/6
7:15 am-9:35 am
2 stops36h 20m
Bangkok Suvarnabhumi
Thu 5/7
3:45 pm-6:46 pm
3 stops41h 01m
$886
PortlandBangkok
PDX - BKK
PDXBKK
Portland
Mon 3/9
5:40 pm-12:35 pm
2 stops28h 55m
Bangkok Suvarnabhumi
Thu 3/12
5:40 pm-10:41 pm
2 stops43h 01m
$889
PortlandBangkok
PDX - BKK
PDXBKK
Portland
Tue 3/10
7:30 am-11:25 am
2 stops37h 55m
Bangkok Suvarnabhumi
Sun 3/15
4:55 pm-12:33 pm
2 stops33h 38m
$889
PortlandBangkok
PDX - BKK
PDXBKK
Portland
Thu 2/19
7:30 am-11:25 am
2 stops36h 55m
Bangkok Suvarnabhumi
Wed 3/11
4:55 pm-12:33 pm
2 stops33h 38m
$889
PortlandBangkok
PDX - BKK
PDXBKK
Portland
Wed 5/6
7:15 am-9:35 am
3 stops36h 20m
Bangkok Suvarnabhumi
Sun 5/17
3:45 pm-12:59 am
2 stops47h 14m
$892
PortlandBangkok
PDX - BKK
PDXBKK
Portland
Wed 5/6
1:37 pm-9:35 am
3 stops29h 58m
Bangkok Suvarnabhumi
Sat 5/16
7:00 am-2:57 pm
2 stops21h 57m
$909
PortlandBangkok
PDX - BKK
PDXBKK
Portland
Mon 4/20
3:30 pm-9:35 am
3 stops28h 05m
Bangkok Suvarnabhumi
Fri 5/1
3:45 pm-2:57 pm
3 stops37h 12m
$917
PortlandBangkok
PDX - BKK
PDXBKK
Portland
Tue 5/5
7:15 am-9:35 am
3 stops36h 20m
Bangkok Suvarnabhumi
Sat 6/6
3:45 pm-10:03 am
3 stops32h 18m
$917
PortlandBangkok
PDX - DMK
PDXDMK
Portland
Mon 4/20
9:50 am-1:30 am
2 stops25h 40m
Bangkok Don Mueang Intl
Thu 4/30
8:15 am-6:30 pm
2 stops24h 15m
$1,184
Showing 1-10 of 32 results
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
How far ahead should I book a flight from Portland to Bangkok?
Use this chart to determine the optimal time to book a round-trip flight from Portland to Bangkok. Price data was last updated on February 6, 2026.
Booking 73 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.
What is the cheapest month to book a flight from Portland to Bangkok?
Currently, July is the cheapest month in which you can book a flight from Portland to Bangkok (average of $265). Flying from Portland to Bangkok in June is currently the most expensive (average of $900). 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.
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 February 10, 2026.
Peruse reviews from past customers who have flown with STARLUX Airlines, Korean Air, and China 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
8.7
Comfort
8.9
Crew
9.2
Entertainment
8.8
Boarding
8.9
Overall
8.9
Reviews
1 / 10
10.0
ExcellentAnonymous,Jan 2026
SEA - TPE
Food
8.7
Comfort
8.9
Crew
9.2
Entertainment
8.8
Boarding
8.9
Overall
8.9
Reviews
1 / 10
10.0
ExcellentAnonymous,Jan 2026
SEA - TPE
Food
8.7
Comfort
8.9
Crew
9.2
Entertainment
8.8
Boarding
8.9
Overall
8.9
Reviews
1 / 10
10.0
ExcellentAnonymous,Jan 2026
SEA - TPE
Food
8.7
Comfort
8.9
Crew
9.2
Entertainment
8.8
Boarding
8.9
Overall
8.9
Reviews
1 / 10
10.0
ExcellentAnonymous,Jan 2026
SEA - TPE
Food
8.7
Comfort
8.9
Crew
9.2
Entertainment
8.8
Boarding
8.9
Overall
8.9
Reviews
1 / 10
10.0
ExcellentAnonymous,Jan 2026
SEA - TPE
Food
8.7
Comfort
8.9
Crew
9.2
Entertainment
8.8
Boarding
8.9
Overall
8.9
Reviews
1 / 10
10.0
ExcellentAnonymous,Jan 2026
SEA - TPE
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.
Alternative routes
Complete your trip
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Popular flights
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 February 10, 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 February 10, 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 February 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$139 | Average$855 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$757 | Average$928 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$759 | Average$901 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$776 | Average$946 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$781 | Average$899 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$785 | Average$984 | FlexibilityNo cancel fee | On-time80% | |
| Cheapest$795 | Average$1,046 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$821 | Average$968 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$864 | Average$874 | FlexibilityNo cancel fee | On-time68% | |
| Cheapest$896 | Average$1,002 | FlexibilityNo cancel fee | On-time74% |