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Flights from Portland to Bangkok

Search cheap flights from Portland to Bangkok in the next 3 months. Based on Trip.com's latest 7-day data, one-way fares start at US$592, and round-trip tickets start at US$1,327.

      • PDX 10:10
        28h 55m
        1 stop
        BKK 05:05
        Portland - Bangkok | Wed, May 27 | Air Canada
        BKK 07:05
        26h 5m
        1 stop
        PDX 19:10
        Bangkok - Portland | Mon, Jun 1 | Air Canada
        US$1,327 US$2,504
        47% off
        47% off
        US$2,504 US$1,327
      • PDX 15:30
        31h 5m
        1 stop
        BKK 12:35
        Portland - Bangkok | Mon, Jun 8 | Condor Airlines
        BKK 22:35
        28h 35m
        1 stop
        PDX 13:10
        Bangkok - Portland | Sun, Jun 14 | Condor Airlines
        US$1,691 US$2,504
        32% off
        32% off
        US$2,504 US$1,691
      • PDX 15:10
        31h 25m
        1 stop
        BKK 12:35
        Portland - Bangkok | Sat, May 16 | Condor Airlines
        BKK 22:35
        28h 30m
        1 stop
        PDX 13:05
        Bangkok - Portland | Fri, May 22 | Condor Airlines
        US$1,836 US$2,504
        27% off
        27% off
        US$2,504 US$1,836
      • PDX 13:05
        30h 25m
        1 stop
        BKK 09:30
        Portland - Bangkok | Mon, Jun 8 | KLM
        BKK 12:05
        37h 5m
        1 stop
        PDX 11:10
        Bangkok - Portland | Sun, Jun 14 | KLM
        US$1,858
        26% off
        US$2,504 US$1,858
      • PDX 13:05
        30h 25m
        1 stop
        BKK 09:30
        Portland - Bangkok | Sun, May 17 | KLM
        BKK 12:05
        37h 5m
        1 stop
        PDX 11:10
        Bangkok - Portland | Sat, May 23 | KLM
        US$1,869
        25% off
        US$2,504 US$1,869
      • PDX 13:05
        30h 25m
        1 stop
        BKK 09:30
        Portland - Bangkok | Tue, May 19 | KLM
        BKK 12:05
        37h 5m
        1 stop
        PDX 11:10
        Bangkok - Portland | Sat, May 23 | KLM
        US$1,874
        25% off
        US$2,504 US$1,874
      • PDX 13:05
        30h 25m
        1 stop
        BKK 09:30
        Portland - Bangkok | Wed, May 27 | KLM
        BKK 12:05
        37h 5m
        1 stop
        PDX 11:10
        Bangkok - Portland | Mon, Jun 1 | KLM
        US$1,935
        23% off
        US$2,504 US$1,935
      • PDX 13:05
        30h 25m
        1 stop
        BKK 09:30
        Portland - Bangkok | Sun, May 24 | KLM
        BKK 12:05
        37h 5m
        1 stop
        PDX 11:10
        Bangkok - Portland | Sat, May 30 | KLM
        US$2,020
        19% off
        US$2,504 US$2,020
      • PDX 13:05
        30h 25m
        1 stop
        BKK 09:30
        Portland - Bangkok | Sun, Jun 14 | KLM
        BKK 12:05
        37h 5m
        1 stop
        PDX 11:10
        Bangkok - Portland | Sat, Jun 20 | KLM
        US$2,047
        18% off
        US$2,504 US$2,047
      • PDX 13:05
        27h 20m
        1 stop
        BKK 06:25
        Portland - Bangkok | Wed, Jun 10 | KLM
        BKK 12:05
        37h 5m
        1 stop
        PDX 11:10
        Bangkok - Portland | Sat, Jun 13 | KLM
        US$2,078
        17% off
        US$2,504 US$2,078
      • PDX 13:00
        17h 25m
        1 stop
        BKK 14:00
        Portland - Bangkok | Fri, May 15 | Normal Airline
        BKK 15:00
        6h
        Nonstop
        PDX 16:00
        Bangkok - Portland | Sun, May 17 | Normal Airline
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      • PDX 19:45
        19h 20m
        1 stop
        BKK 05:05
        Portland - Bangkok | Sat, May 16 | Air Canada
        US$592 US$1,411
        57% off
        57% off
        US$1,411 US$592
      • PDX 15:30
        23h 35m
        1 stop
        BKK 05:05
        Portland - Bangkok | Thu, May 21 | Air Canada
        US$709 US$1,411
        50% off
        50% off
        US$1,411 US$709
      • PDX 10:10
        28h 55m
        1 stop
        BKK 05:05
        Portland - Bangkok | Sat, May 23 | Air Canada
        US$758 US$1,411
        46% off
        46% off
        US$1,411 US$758
      • PDX 15:30
        23h 35m
        1 stop
        BKK 05:05
        Portland - Bangkok | Mon, May 18 | Air Canada
        US$770
        45% off
        US$1,411 US$770
      • PDX 05:30
        38h 5m
        1 stop
        BKK 09:35
        Portland - Bangkok | Thu, May 14 | United Airlines
        US$905
        36% off
        US$1,411 US$905
      • PDX 05:48
        37h 47m
        1 stop
        BKK 09:35
        Portland - Bangkok | Sat, Jul 4 | United Airlines
        US$944
        33% off
        US$1,411 US$944
      • PDX 15:35
        31h
        1 stop
        BKK 12:35
        Portland - Bangkok | Tue, Jun 9 | Condor Airlines
        US$1,129
        20% off
        US$1,411 US$1,129
      • PDX 15:30
        31h 5m
        1 stop
        BKK 12:35
        Portland - Bangkok | Sat, Jun 6 | Condor Airlines
        US$1,158
        18% off
        US$1,411 US$1,158
      • PDX 15:10
        31h 25m
        1 stop
        BKK 12:35
        Portland - Bangkok | Thu, May 28 | Condor Airlines
        US$1,167
        17% off
        US$1,411 US$1,167
      • PDX 15:30
        31h 5m
        1 stop
        BKK 12:35
        Portland - Bangkok | Sat, May 30 | Condor Airlines
        US$1,171
        17% off
        US$1,411 US$1,171
      • PDX 13:00
        17h 25m
        1 stop
        BKK 14:00
        Portland - Bangkok | Fri, May 15 | Normal Airline
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Displayed flight fares from Portland to Bangkok are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Frequently Asked Questions

  • What are the cheapest flights from Portland to Bangkok (PDX-BKK)?

    Based on Trip.com data, Air Canada offers one-way fares as low as US$592 on Cheapest nonstop routes (e.g. PDX to BKK on Sat, May 16), while Air Canada offers Cheapest nonstop round-trips from US$1,327 departing on Wed, May 27 and returning on Mon, Jun 1.
  • At the moment, several airlines serve connecting flights from Portland to Bangkok, including: Alaska Airlines United Airlines Selected airlines are based on historical data collected from flight bookings made by users on Trip.com within the last 90 days.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Portland to Bangkok is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • To find best deals on flights from Portland to Bangkok, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Sat, May 16, with one-way flights priced at just US$592.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Air Canada.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Bangkok travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Portland to Bangkok is September, when demand for travel is lower.
  • After crunching the numbers on our May flight calendar, it's currently cheapest to fly from Portland to Bangkok on May 23, 2026 with Condor, with prices starting at US$1,610.
  • You can land at any one of the following hubs in Bangkok, with Portland International Airport to Suvarnabhumi Airport (PDX-BKK) is by far the most common option on this route: Suvarnabhumi Airport (BKK) Don Mueang International Airport (DMK).
  • The time difference between Bangkok and Portland is 15h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

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Note: Prices shown on this page are the estimated lowest prices found in the last 24 hours and include all taxes and fees.

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Prices displayed on this page are all-inclusive (incl. taxes, fuel surcharges, Civil Aviation Development Fund, etc.), and all fees are clearly shown before you pay. Charges for checked baggage, onboard meals, Wi‑Fi, and other optional services are also included where applicable in the flight cards.

Real-time pricing updates

Prices, availability, and travel details on this page have been updated within the last 24 hours, and for many routes are refreshed in real time. The more popular the route, the more accurate and up-to-date the data.

Change & Cancellation Policy

Trip.com shows the change and cancellation rules for each ticket during the booking process, including all related fees and conditions. Please refer to the following scenarios:
Voluntary cancellation/change:
To request a change or cancellation, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and flight segment, and submit your request. Please note that additional charges may apply based on the airline’s fare rules.
Cancellation/change due to a flight schedule change:
If your flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For full details of change and cancellation policies, please refer to the customer support pages.