Cheap Flights from Portland to Bangkok from S$ 749

Frequently Asked Questions

• Which airlines offer the cheapest flights from Portland (PDX) to Bangkok (BKK)?

  Based on Trip.com data, Air Canada offers one-way fares as low as S$ 749 on Cheapest nonstop routes (e.g. PDX to BKK on Mon, May 11), while Air Canada offers Cheapest nonstop round-trips from S$ 1,680 departing on Wed, May 27 and returning on Mon, Jun 1.

• Which airlines offer flights from Portland to Bangkok?

  At the moment, several airlines serve connecting flights from Portland to Bangkok, including: Alaska Airlines Selected airlines are based on historical data collected from flight bookings made by users on Trip.com within the last 90 days.

• When is the best time to book flights from Portland to Bangkok?

  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.

• How can I find the best deals on flights from Portland to Bangkok?

  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 Mon, May 11, with one-way flights priced at just S$ 749.
  · 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.

• When is the best time to book a flight from Portland to Bangkok to get the best price?

  The cheapest months to fly from Portland to Bangkok is September, when demand for travel is lower.

• Which upcoming date is the cheapest for flights from Portland to Bangkok?

  After crunching the numbers on our May flight calendar, it's currently cheapest to fly from Portland to Bangkok on May 13, 2026 with Air Canada, with prices starting at S$ 712.

• Which airports can I fly through when travelling to Bangkok from Portland?

  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).

• What is the time difference between Portland and Bangkok?

  The time difference between Bangkok and Portland is 15h.

• How can I change or cancel my flight ticket from Portland to Bangkok?

  Tickets can only be changed or cancelled 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.