$488+ 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 4/20. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — BKK
May 9 — May 161
Round-trip
1 adult, Economy
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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 April 9, 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 April 9, 2026.
This oojo deal was found by Cheapflights users on 4/5. 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.
Mon 11/99:59 pm
PDX
- BKK
2 stops31h 01m
Singapore Airlines
Wed 12/99:10 pm
BKK
- PDX
2 stops30h 12m
Singapore Airlines
Deal found 4/5![Singapore Airlines logo]()
$870
This oojo deal was found by Cheapflights users on 4/4. 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 9/225:35 pm
PDX
- BKK
2 stops27h 25m
Singapore Airlines
Wed 10/218:15 pm
BKK
- PDX
2 stops30h 07m
Singapore Airlines
Deal found 4/4![Singapore Airlines logo]()
$903
This Fareboom deal was found by Cheapflights users on 4/7. 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 Fareboom is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/189:30 pm
PDX
- BKK
2 stops22h 15m
China Airlines
Sat 8/2910:50 am
BKK
- PDX
2 stops36h 35m
China Airlines
Deal found 4/7![China Airlines logo]()
$904
This Justfly.com deal was found by Cheapflights users on 4/6. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/59:59 pm
PDX
- BKK
2 stops21h 46m
Multiple Airlines
Tue 10/205:30 pm
BKK
- PDX
2 stops19h 14m
Multiple Airlines
Deal found 4/6![Multiple Airlines logo]()
$905
This FlightHub deal was found by Cheapflights users on 4/3. 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.
Sun 10/119:40 am
PDX
- BKK
2 stops34h 05m
Multiple Airlines
Mon 11/92:05 pm
BKK
- PDX
2 stops23h 39m
Multiple Airlines
Deal found 4/3![Multiple Airlines logo]()
$911
This Fareboom deal was found by Cheapflights users on 4/8. 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 Fareboom is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/287:40 pm
PDX
- BKK
2 stops24h 10m
China Airlines
Wed 11/115:50 pm
BKK
- PDX
2 stops30h 35m
China Airlines
Deal found 4/8![China Airlines logo]()
$918
This FlightHub deal was found by Cheapflights users on 4/6. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/122:30 pm
PDX
- BKK
2 stops31h 35m
Multiple Airlines
Thu 12/102:05 pm
BKK
- PDX
2 stops25h 05m
Multiple Airlines
Deal found 4/6![Multiple Airlines logo]()
$919
This FlightHub deal was found by Cheapflights users on 4/5. 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 11/31:50 pm
PDX
- BKK
2 stops35h 55m
Multiple Airlines
Sun 11/152:05 pm
BKK
- PDX
2 stops34h 20m
Multiple Airlines
Deal found 4/5![Multiple Airlines logo]()
$920
This SmartFares deal was found by Cheapflights users on 4/8. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/317:22 pm
PDX
- BKK
2 stops24h 23m
Multiple Airlines
Fri 9/115:30 pm
BKK
- PDX
2 stops29h 55m
Multiple Airlines
Deal found 4/8![Multiple Airlines logo]()
$924
This Justfly.com deal was found by Cheapflights users on 4/7. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/179:19 am
PDX
- BKK
2 stops36h 51m
Multiple Airlines
Thu 8/2710:50 am
BKK
- PDX
2 stops37h 37m
Multiple Airlines
Deal found 4/7![Multiple Airlines logo]()
$925
This oojo deal was found by Cheapflights users on 4/5. 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 8/277:50 pm
PDX
- BKK
2 stops23h 55m
China Airlines
Thu 9/105:30 pm
BKK
- PDX
2 stops28h 43m
China Airlines
Deal found 4/5![China Airlines logo]()
$926
This Orbitz deal was found by Cheapflights users on 4/5. 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.
Wed 9/25:35 pm
PDX
- BKK
2 stops28h 35m
Multiple Airlines
Wed 9/307:05 am
BKK
- PDX
1 stop26h 01m
Multiple Airlines
Deal found 4/5![Multiple Airlines logo]()
$930
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 April 9, 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 April 9, 2026.
This United Airlines deal was found by Cheapflights users on 4/4. 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 9/223:43 pm
PDX
- BKK
3 stops27h 52m
United Airlines
Wed 10/219:35 am
BKK
- PDX
2 stops51h 29m
United Airlines
Deal found 4/4![United Airlines logo]()
$1,063
This Trip.com deal was found by Cheapflights users on 4/8. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/311:59 am
PDX
- DMK
2 stops41h 31m
Multiple Airlines
Sat 5/96:15 am
DMK
- PDX
2 stops41h 23m
Multiple Airlines
Deal found 4/8![Multiple Airlines logo]()
$1,256
This United Airlines deal was found by Cheapflights users on 4/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/273:43 pm
PDX
- BKK
3 stops27h 52m
United Airlines
Thu 9/107:00 am
BKK
- PDX
2 stops22h 05m
United Airlines
Deal found 4/6![United Airlines logo]()
$1,066
This United Airlines deal was found by Cheapflights users on 4/5. 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 9/88:35 am
PDX
- BKK
2 stops25h 20m
United Airlines
Thu 9/103:45 pm
BKK
- PDX
2 stops23h 02m
United Airlines
Deal found 4/5![United Airlines logo]()
$1,081
This Trip.com deal was found by Cheapflights users on 4/3. 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 9/47:00 am
PDX
- DMK
2 stops27h 15m
Multiple Airlines
Sat 9/123:00 am
DMK
- PDX
2 stops31h 50m
Multiple Airlines
Deal found 4/3![Multiple Airlines logo]()
$1,291
This United Airlines deal was found by Cheapflights users on 4/4. 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 9/221:14 pm
PDX
- BKK
3 stops30h 21m
United Airlines
Sun 9/273:45 pm
BKK
- PDX
2 stops45h 19m
United Airlines
Deal found 4/4![United Airlines logo]()
$1,082
This Trip.com deal was found by Cheapflights users on 4/6. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/47:11 am
PDX
- DMK
2 stops27h 04m
Multiple Airlines
Thu 5/73:00 am
DMK
- PDX
2 stops31h 00m
Multiple Airlines
Deal found 4/6![Multiple Airlines logo]()
$1,387
This United Airlines deal was found by Cheapflights users on 4/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/287:15 am
PDX
- BKK
3 stops36h 20m
United Airlines
Sun 5/313:45 pm
BKK
- PDX
2 stops45h 03m
United Airlines
Deal found 4/8![United Airlines logo]()
$1,201
This United Airlines deal was found by Cheapflights users on 4/5. 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 8/123:43 pm
PDX
- BKK
3 stops27h 52m
United Airlines
Fri 8/219:35 am
BKK
- PDX
2 stops53h 12m
United Airlines
Deal found 4/5![United Airlines logo]()
$1,251
This Mytrip deal was found by Cheapflights users on 4/4. 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 8/3110:10 am
PDX
- DMK
2 stops23h 55m
Multiple Airlines
Mon 9/71:15 am
DMK
- PDX
2 stops27h 36m
Multiple Airlines
Deal found 4/4![Multiple Airlines logo]()
$1,760
This United Airlines deal was found by Cheapflights users on 4/3. 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 5/73:59 pm
PDX
- BKK
3 stops51h 36m
United Airlines
Thu 6/43:45 pm
BKK
- PDX
3 stops32h 35m
United Airlines
Deal found 4/3![United Airlines logo]()
$1,394
This Trip.com deal was found by Cheapflights users on 4/8. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/97:19 am
PDX
- DMK
2 stops26h 56m
Multiple Airlines
Sat 7/253:00 am
DMK
- PDX
2 stops34h 30m
Multiple Airlines
Deal found 4/8![Multiple Airlines logo]()
$1,863
This United Airlines deal was found by Cheapflights users on 4/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/35:30 am
PDX
- BKK
3 stops33h 05m
United Airlines
Sat 5/99:35 am
BKK
- PDX
2 stops25h 23m
United Airlines
Deal found 4/8![United Airlines logo]()
$1,496
This Mytrip deal was found by Cheapflights users on 4/6. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/299:50 am
PDX
- DMK
2 stops26h 10m
Multiple Airlines
Wed 5/274:50 pm
DMK
- PDX
2 stops30h 40m
Multiple Airlines
Deal found 4/6![Multiple Airlines logo]()
$2,004
This Mytrip deal was found by Cheapflights users on 4/4. 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 7/310:10 am
PDX
- DMK
2 stops25h 50m
Multiple Airlines
Sat 7/111:15 am
DMK
- PDX
2 stops27h 36m
Multiple Airlines
Deal found 4/4![Multiple Airlines logo]()
$2,083
This Mytrip deal was found by Cheapflights users on 4/6. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/110:10 am
PDX
- DMK
2 stops25h 50m
Multiple Airlines
Sat 7/41:15 am
DMK
- PDX
2 stops27h 36m
Multiple Airlines
Deal found 4/6![Multiple Airlines logo]()
$2,158
This Mytrip deal was found by Cheapflights users on 4/5. 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 7/1010:10 am
PDX
- DMK
2 stops23h 55m
Multiple Airlines
Sun 7/268:05 pm
DMK
- PDX
2 stops27h 26m
Multiple Airlines
Deal found 4/5![Multiple Airlines logo]()
$2,161
This Mytrip deal was found by Cheapflights users on 4/4. 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 7/510:10 am
PDX
- DMK
2 stops25h 50m
Multiple Airlines
Wed 7/151:15 am
DMK
- PDX
2 stops31h 56m
Multiple Airlines
Deal found 4/4![Multiple Airlines logo]()
$2,166
Last-minute flights from Portland to BangkokDiscover last-minute flight deals from Portland to Bangkok. Data last updated April 9, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Bangkok. Data last updated April 9, 2026 and is based on user searches.
This FlightHub deal was found by Cheapflights users on 4/6. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/117:24 am
PDX
- BKK
2 stops26h 06m
Multiple Airlines
Wed 5/274:45 pm
BKK
- PDX
2 stops38h 05m
Multiple Airlines
Deal found 4/6![Multiple Airlines logo]()
$976
This Justfly.com deal was found by Cheapflights users on 4/4. 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 4/135:49 pm
PDX
- BKK
2 stops25h 56m
Multiple Airlines
Fri 5/155:30 pm
BKK
- PDX
2 stops30h 17m
Multiple Airlines
Deal found 4/4![Multiple Airlines logo]()
$978
This IEagle deal was found by Cheapflights users on 4/5. 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 4/227:00 am
PDX
- BKK
2 stops28h 20m
Multiple Airlines
Tue 6/231:35 am
BKK
- PDX
2 stops29h 12m
Multiple Airlines
Deal found 4/5![Multiple Airlines logo]()
$992
This SmartFares deal was found by Cheapflights users on 4/6. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/277:18 pm
PDX
- BKK
2 stops24h 27m
Multiple Airlines
Mon 5/252:40 am
BKK
- PDX
2 stops45h 07m
Multiple Airlines
Deal found 4/6![Multiple Airlines logo]()
$931
This FlightHub deal was found by Cheapflights users on 4/6. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/287:00 am
PDX
- BKK
2 stops26h 30m
Multiple Airlines
Sun 5/314:45 pm
BKK
- PDX
2 stops35h 05m
Multiple Airlines
Deal found 4/6![Multiple Airlines logo]()
$967
This oojo deal was found by Cheapflights users on 4/7. 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.
Sun 5/37:11 am
PDX
- BKK
2 stops38h 59m
China Airlines
Wed 5/1310:50 am
BKK
- PDX
2 stops36h 57m
China Airlines
Deal found 4/7![China Airlines logo]()
$970
This SmartFares deal was found by Cheapflights users on 4/5. 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 5/49:32 pm
PDX
- BKK
2 stops35h 58m
Multiple Airlines
Sun 5/101:35 am
BKK
- PDX
2 stops26h 12m
Multiple Airlines
Deal found 4/5![Multiple Airlines logo]()
$962
This Trip.com deal was found by Cheapflights users on 4/5. 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.
Mon 5/47:11 am
PDX
- DMK
2 stops27h 04m
Multiple Airlines
Sun 5/103:00 am
DMK
- PDX
2 stops44h 38m
Multiple Airlines
Deal found 4/5![Multiple Airlines logo]()
$1,251
This oojo deal was found by Cheapflights users on 4/4. 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 5/52:50 pm
PDX
- BKK
2 stops35h 30m
China Airlines
Tue 5/261:20 pm
BKK
- PDX
2 stops34h 09m
China Airlines
Deal found 4/4![China Airlines logo]()
$947
This oojo deal was found by Cheapflights users on 4/7. 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.
Tue 5/55:51 pm
PDX
- BKK
2 stops25h 54m
China Airlines
Sat 6/65:30 pm
BKK
- PDX
2 stops30h 17m
China Airlines
Deal found 4/7![China Airlines logo]()
$982
This Fareboom deal was found by Cheapflights users on 4/8. 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 Fareboom is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/67:00 am
PDX
- BKK
2 stops26h 30m
EVA Air
Tue 5/121:35 am
BKK
- PDX
2 stops26h 15m
EVA Air
Deal found 4/8![EVA Air logo]()
$926
This FlightHub deal was found by Cheapflights users on 4/6. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/67:00 am
PDX
- BKK
2 stops26h 30m
Multiple Airlines
Tue 6/91:35 am
BKK
- PDX
2 stops29h 12m
Multiple Airlines
Deal found 4/6![Multiple Airlines logo]()
$938
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 April 9, 2026.
Search for one-way flight options from Portland to Bangkok. Find affordable one-way fares based on user searches. Data last updated April 9, 2026.
This Fareboom deal was found by Cheapflights users on 4/8. 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 Fareboom is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/205:45 pm
PDX
- BKK
2 stops26h 00m
China Airlines
Deal found 4/8![China Airlines logo]()
$488
This FlightHub deal was found by Cheapflights users on 4/4. 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 4/217:27 pm
PDX
- BKK
2 stops24h 18m
Multiple Airlines
Deal found 4/4![Multiple Airlines logo]()
$497
This Travelocity deal was found by Cheapflights users on 4/4. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/228:45 am
PDX
- BKK
2 stops24h 35m
Multiple Airlines
Deal found 4/4![Multiple Airlines logo]()
$499
This Fareboom deal was found by Cheapflights users on 4/8. 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 Fareboom is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/218:46 pm
PDX
- BKK
2 stops22h 59m
China Airlines
Deal found 4/8![China Airlines logo]()
$510
This SmartFares deal was found by Cheapflights users on 4/7. 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.
Tue 5/57:00 am
PDX
- BKK
2 stops26h 30m
Multiple Airlines
Deal found 4/7![Multiple Airlines logo]()
$515
This FlightHub deal was found by Cheapflights users on 4/8. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/191:35 pm
PDX
- BKK
2 stops30h 50m
Multiple Airlines
Deal found 4/8![Multiple Airlines logo]()
$552
This Kiwi.com deal was found by Cheapflights users on 4/4. 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 4/205:45 pm
PDX
- BKK
2 stops28h 25m
Multiple Airlines
Deal found 4/4![Multiple Airlines logo]()
$554
This FlightHub deal was found by Cheapflights users on 4/4. 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 4/239:30 pm
PDX
- BKK
2 stops23h 40m
Multiple Airlines
Deal found 4/4![Multiple Airlines logo]()
$561
This United Airlines deal was found by Cheapflights users on 4/8. 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 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
Deal found 4/8![United Airlines logo]()
$565
This Kiwi.com deal was found by Cheapflights users on 4/4. 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 4/259:30 pm
PDX
- BKK
2 stops22h 15m
Multiple Airlines
Deal found 4/4![Multiple Airlines logo]()
$577
This Kiwi.com deal was found by Cheapflights users on 4/4. 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 7/275:42 pm
PDX
- DMK
3 stops51h 43m
Multiple Airlines
Deal found 4/4![Multiple Airlines logo]()
$591
This Kiwi.com deal was found by Cheapflights users on 4/8. 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.
Thu 8/65:42 pm
PDX
- DMK
3 stops37h 33m
Multiple Airlines
Deal found 4/8![Multiple Airlines logo]()
$593
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 April 9, 2026.
Round-trip from | $926 (Fareboom) |
|---|---|
One-way from | $488 (Fareboom) |
Popular in | December |
Cheapest in | April |
Average price | $914 |
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 April 9, 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 - BKK
PDXBKK
Portland
Tue 9/22
3:43 pm-9:35 am
3 stops27h 52m
Bangkok Suvarnabhumi
Wed 10/21
9:35 am-11:04 pm
2 stops51h 29m
$1,063
PortlandBangkok
PDX - BKK
PDXBKK
Portland
Thu 8/27
3:43 pm-9:35 am
3 stops27h 52m
Bangkok Suvarnabhumi
Thu 9/10
7:00 am-3:05 pm
2 stops22h 05m
$1,066
Quickest round-trip
PortlandBangkok
PDX - BKK
PDXBKK
Portland
Tue 9/8
8:35 am-11:55 pm
2 stops25h 20m
Bangkok Suvarnabhumi
Thu 9/10
3:45 pm-12:47 am
2 stops23h 02m
$1,081
PortlandBangkok
PDX - BKK
PDXBKK
Portland
Tue 9/22
1:14 pm-9:35 am
3 stops30h 21m
Bangkok Suvarnabhumi
Sun 9/27
3:45 pm-11:04 pm
2 stops45h 19m
$1,082
PortlandBangkok
PDX - BKK
PDXBKK
Portland
Tue 4/28
7:15 am-9:35 am
3 stops36h 20m
Bangkok Suvarnabhumi
Sun 5/31
3:45 pm-10:48 pm
2 stops45h 03m
$1,201
PortlandBangkok
PDX - BKK
PDXBKK
Portland
Wed 8/12
3:43 pm-9:35 am
3 stops27h 52m
Bangkok Suvarnabhumi
Fri 8/21
9:35 am-12:47 am
2 stops53h 12m
$1,251
PortlandBangkok
PDX - DMK
PDXDMK
Portland
Sun 5/3
11:59 am-7:30 pm
2 stops41h 31m
Bangkok Don Mueang Intl
Sat 5/9
6:15 am-9:38 am
2 stops41h 23m
$1,256
PortlandBangkok
PDX - DMK
PDXDMK
Portland
Fri 9/4
7:00 am-12:15 am
2 stops27h 15m
Bangkok Don Mueang Intl
Sat 9/12
3:00 am-8:50 pm
2 stops31h 50m
$1,291
PortlandBangkok
PDX - DMK
PDXDMK
Portland
Mon 5/4
7:11 am-12:15 am
2 stops27h 04m
Bangkok Don Mueang Intl
Thu 5/7
3:00 am-8:00 pm
2 stops31h 00m
$1,387
PortlandBangkok
PDX - BKK
PDXBKK
Portland
Thu 5/7
3:59 pm-9:35 am
3 stops51h 36m
Bangkok Suvarnabhumi
Thu 6/4
3:45 pm-10:20 am
3 stops32h 35m
$1,394
Showing 1-10 of 38 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
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 April 3, 2026.
Booking 64 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, April is the cheapest month in which you can book a flight from Portland to Bangkok (average of $640). 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.
How much does it cost to fly round-trip from Portland to Bangkok?
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 April 9, 2026.
Peruse reviews from past customers who have flown with STARLUX Airlines,EVA Air, andKorean Air 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.
Overall
8.9
Crew
9.2
Entertainment
8.8
Comfort
8.9
Food
8.7
Boarding
9.0
Reviews
1 / 10
10.0
ExcellentAnonymous,Jan 2026
SEA - TPE
Overall
8.9
Crew
9.2
Entertainment
8.8
Comfort
8.9
Food
8.7
Boarding
9.0
Reviews
1 / 10
10.0
ExcellentAnonymous,Jan 2026
SEA - TPE
Overall
8.9
Crew
9.2
Entertainment
8.8
Comfort
8.9
Food
8.7
Boarding
9.0
Reviews
1 / 10
10.0
ExcellentAnonymous,Jan 2026
SEA - TPE
Overall
8.9
Crew
9.2
Entertainment
8.8
Comfort
8.9
Food
8.7
Boarding
9.0
Reviews
1 / 10
10.0
ExcellentAnonymous,Jan 2026
SEA - TPE
Overall
8.9
Crew
9.2
Entertainment
8.8
Comfort
8.9
Food
8.7
Boarding
9.0
Reviews
1 / 10
10.0
ExcellentAnonymous,Jan 2026
SEA - TPE
Overall
8.9
Crew
9.2
Entertainment
8.8
Comfort
8.9
Food
8.7
Boarding
9.0
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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Other flight options
Other flights from Portland
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 April 9, 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 April 9, 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 April 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$139 | Average$855 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$653 | Average$1,123 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$757 | Average$879 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$759 | Average$900 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$776 | Average$914 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$781 | Average$899 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$785 | Average$1,047 | FlexibilityNo cancel fee | On-time80% | |
| Cheapest$795 | Average$1,015 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$821 | Average$974 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$896 | Average$1,003 | FlexibilityNo cancel fee | On-time74% |