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Cheap Flights from Portland to Bangkok starting at S$ 791

We've found these cheap flights for you. You can book one-way or return flight tickets.

  • One way
  • Round-trip

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Cheapest time to fly from Portland to Bangkok

We monitor flight fares to help you find the best deals effortlessly

Displayed prices are calculated based on the lowest average weekly prices of the corresponding route on Trip.com.
Cheapest Airlines flying from Portland to Bangkok

Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

United Airlines
From S$ 791
Delta Air Lines
From S$ 933
American Airlines
From S$ 1,337
Qatar Airways
From S$ 1,452
Turkish Airlines
From S$ 1,573
KLM
From S$ 1,774
Singapore Airlines
From S$ 1,822
Korean Air
From S$ 1,939
Emirates
From S$ 2,009
ANA airlines

Find more flights and airlines

Alternative Routes from Portland to Bangkok

Searching for potential routes that might be cheaper and faster? Check out these alternative flights from Portland to Bangkok.

  • Cheapest
    United Airlines
    PWM
    06:05
    31h 20m
    2 transfer
    BKK
    00:25
    Portland International Jetport - Suvarnabhumi Airport
    Sun, Mar 31United Airlines
    S$ 791
  • United Airlines
    PWM
    06:05
    31h 20m
    2 transfer
    BKK
    00:25
    Portland International Jetport - Suvarnabhumi Airport
    Sun, Mar 31United Airlines
    S$ 791
    Find More Flights

Frequently Asked Questions

  • When to buy flight tickets from Portland (PWM) to Bangkok (BKK) the cheapest?

    Airlines adjust prices for flights from Portland to Bangkok based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the cheapest flight prices on Tuesdays, Wednesdays, and Saturdays.
  • How much is a flight from Portland (PWM) to Bangkok (BKK) cost?

    According to Trip.com's data, the lowest price is around S$ 3,313.
  • What is the transportation method from the main airport to downtown in Bangkok?

    • The distance from Suvarnabhumi Airport to downtown is about 24km, by taxi about 40 minutes.
    • The distance from Don Mueang International Airport to downtown is about 22km, by taxi about 40 minutes.
  • How many airports in Bangkok?

    There are 2 airports near Bangkok: Suvarnabhumi Airport and Don Mueang International Airport.

Find cheapest flight ticket from Portland to Bangkok

Cheapest month

March

Peak season for travel

May