Cheap Flights from Portland, OR to Bangkok from $397

On Cheapflightsplus.com you will find 1000 connecting flights from Portland to Bangkok. You can compare airfare deals from 29 airlines and multiple travel sites from $397, book and save on cheap plane tickets and last minute offers. Also check out PDX-BKK flight schedule to find best flight time, convenient departure and arrival airports.

Flight Information

Below we will explain in detail what the flights cost on the destination from Portland to Bangkok depends on and how to choose the most interesting flight option for you.

Distance between Portland and Bangkok is 12120 miles. Time difference between the cities is 3h. Airplanes depart 05:15 to 23:18 from 1 Portland airport and arrive 05:15 to 23:18 to 2 Bangkok airports. Average flight time is 30h.

  • The fastest flight 20h 30m
  • Average flight time 30h
  • The earliest flight 05:15
  • The latest flight 23:18
  • Distance 7532 ml

The cheapest months to travel to Bangkok are july (from 397 $), august (from 397 $), september (from 474 $).

The most expensive months are december (from 1 594 $), november (from 775 $), february (from 700 $).

What is the lowest airfare Portland to Bangkok?

The cheapest plane ticket found by our users is $397. This airfare is for economy class on one-way NH5393 flight by All Nippon Airways for July 5, 2025 which leaves Portland in Portland at 10:05 am and arrives at Bangkok Suvarnabhumi at 04:35.

Economy class
$397
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Business class
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First class
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Flight Schedule Portland (Oregon) to Bangkok

05:30 — 23:55+2days
28h 25m flight time
Find flight
from$427
05:30 — 07:30 Portland — San Francisco
NH7313 All Nippon Airways
4h 13m stop
11:55 — 14:30 San Francisco — Tokyo
NH7013 All Nippon Airways
4h 30m stop
19:10 — 23:55 Tokyo — Bangkok
NH805 All Nippon Airways
07:37 — 15:30+2days
41h 53m flight time
Find flight
from$424
07:37 — 09:28 Portland — San Francisco
NH7325 All Nippon Airways
1h 27m stop
10:55 — 13:55 San Francisco — Tokyo
NH7011 All Nippon Airways
20h 55m stop
10:50 — 15:30 Tokyo — Bangkok
NH847 All Nippon Airways
07:45 — 04:35+2days
30h 50m flight time
Find flight
from$424
07:37 — 09:28 Portland — San Francisco
NH7325 All Nippon Airways
1h 17m stop
10:55 — 13:55 San Francisco — Tokyo
NH7011 All Nippon Airways
10h 10m stop
00:05 — 04:35 Tokyo — Bangkok
NH849 All Nippon Airways
07:45 — 06:00+2days
32h 15m flight time
Find flight
from$424
07:37 — 09:28 Portland — San Francisco
NH7325 All Nippon Airways
1h 18m stop
10:55 — 13:55 San Francisco — Tokyo
NH7011 All Nippon Airways
11h 35m stop
01:30 — 06:00 Tokyo — Bangkok
NH877 All Nippon Airways
07:45 — 23:55+2days
26h 10m flight time
Find flight
from$427
07:37 — 09:28 Portland — San Francisco
NH7325 All Nippon Airways
3h 2m stop
12:40 — 15:25 San Francisco — Tokyo
NH7 All Nippon Airways
3h 45m stop
19:10 — 23:55 Tokyo — Bangkok
NH805 All Nippon Airways
07:45 — 23:55+2days
26h 10m flight time
Find flight
from$427
07:37 — 09:28 Portland — San Francisco
NH7325 All Nippon Airways
2h 17m stop
11:55 — 14:30 San Francisco — Tokyo
NH7013 All Nippon Airways
4h 40m stop
19:10 — 23:55 Tokyo — Bangkok
NH805 All Nippon Airways
07:45 — 15:30+2days
41h 45m flight time
Find flight
from$430
07:37 — 09:28 Portland — San Francisco
NH7325 All Nippon Airways
16h 8m stop
01:45 — 04:30 San Francisco — Tokyo
NH107 All Nippon Airways
6h 20m stop
10:50 — 15:30 Tokyo — Bangkok
NH847 All Nippon Airways
07:45 — 04:35+3days
54h 50m flight time
Find flight
from$430
07:37 — 09:28 Portland — San Francisco
NH7325 All Nippon Airways
16h 8m stop
01:45 — 04:30 San Francisco — Tokyo
NH107 All Nippon Airways
19h 35m stop
00:05 — 04:35 Tokyo — Bangkok
NH849 All Nippon Airways
07:45 — 06:00+3days
56h 15m flight time
Find flight
from$430
07:37 — 09:28 Portland — San Francisco
NH7325 All Nippon Airways
16h 8m stop
01:45 — 04:30 San Francisco — Tokyo
NH107 All Nippon Airways
21h stop
01:30 — 06:00 Tokyo — Bangkok
NH877 All Nippon Airways
09:47 — 23:55+2days
24h 8m flight time
Find flight
from$427
06:00 — 07:50 Portland — San Francisco
NH7313 All Nippon Airways
1h stop
11:00 — 15:20 San Francisco — Tokyo
NH7 All Nippon Airways
3h 45m stop
18:40 — 00:05 Tokyo — Bangkok
NH805 All Nippon Airways
09:47 — 15:30+2days
39h 43m flight time
Find flight
from$430
06:00 — 07:50 Portland — San Francisco
NH7313 All Nippon Airways
14h 5m stop
00:20 — 04:40 San Francisco — Tokyo
NH107 All Nippon Airways
6h 20m stop
11:05 — 16:20 Tokyo — Bangkok
NH847 All Nippon Airways
09:47 — 04:35+3days
52h 48m flight time
Find flight
from$430
06:00 — 07:50 Portland — San Francisco
NH7313 All Nippon Airways
14h 5m stop
00:20 — 04:40 San Francisco — Tokyo
NH107 All Nippon Airways
19h 35m stop
00:05 — 05:10 Tokyo — Bangkok
NH849 All Nippon Airways
10:05 — 04:35+2days
28h 30m flight time
Find flight
from$397
10:05 — 11:22 Portland — Vancouver
NH5393 All Nippon Airways
5h 23m stop
16:45 — 19:00 Vancouver — Tokyo
NH115 All Nippon Airways
5h 5m stop
00:05 — 04:35 Tokyo — Bangkok
NH849 All Nippon Airways
10:05 — 06:00+2days
29h 55m flight time
Find flight
from$397
10:05 — 11:22 Portland — Vancouver
NH5393 All Nippon Airways
5h 23m stop
16:45 — 19:00 Vancouver — Tokyo
NH115 All Nippon Airways
6h 30m stop
01:30 — 06:00 Tokyo — Bangkok
NH877 All Nippon Airways
10:05 — 15:30+2days
39h 25m flight time
Find flight
from$397
10:05 — 11:22 Portland — Vancouver
NH5393 All Nippon Airways
5h 23m stop
16:45 — 19:00 Vancouver — Tokyo
NH115 All Nippon Airways
15h 50m stop
10:50 — 15:30 Tokyo — Bangkok
NH847 All Nippon Airways
Full flight schedule will help you in detecting at what time planes fly from Portland to Bangkok. You can also specify the concrete flights and airlines on the route and how long the flight actually is. Use the calendar for today, tomorrow or other specific date as some flights are available only on certain days of the week.
*Departure and arrival times - local. Updated on October 15, 2025.

Popular Airlines on the Route

The flight Portland — Bangkok is served by 29 regular airlines and 5 low-cost airlines. Most of the flights on this route are operated by Condor Airlines - 5 departures per week at the price of from $ 955 . And the most expensive tickets are offered by All Nippon Airways airline - from $ 6725.

Direct flights

There’re no direct flights on this route. Try flights with stops.

Connecting Flights

There are 1000 flights with layovers on the route. The fastest connecting flight is KE3072 by Korean Air takes 20h 30m and the cheapest is NH5393 by All Nippon Airways for $397.

  • DE - Condor Airlines
    from $955
    Find
  • JL - Japan Airlines - JAL
    from $474
    Find
  • FI - Icelandair
    from $1081
    Find
  • UA - United Airlines
    from $440
    Find
  • LX - SWISS International Air Lines
    from $2606
    Find
  • JX - Jambojet
    from $482
    Find
  • SK - SAS
    from $2552
    Find
  • KE - Korean Air
    from $536
    Find
  • MH - Malaysia Airlines
    from $1051
    Find
  • WS - WestJet
    from $4088
    Find
  • CA - Air China Limited
    from $905
    Find
  • SQ - Singapore Airlines
    from $943
    Find
See more connecting flights

Airports

You can fly from Portland to Bangkok from 1 airports (Portland).

Portland airports

  • Portland-PDX
    from $397
    Find

Bangkok airports

  • Suvarnabhumi-BKK
    Find
  • Don Muang-DMK
    Find

How to book a plane ticket yourself?

How to book an air ticket yourself?
  • Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
  • Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
  • Click «Buy» when you are ready — our system will redirect you to the site that sells the selected flight ticket.
  • Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
  • That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.

    To find a plane ticket, please select dates.

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