S$558 Cheap Flights from Portland to Bangkok

View S$558 flight on Tue, 14 Apr, 2026Opens in a new window

Popular airlines from Portland International Airport (PDX) to Suvarnabhumi Intl. Airport (BKK)

  • notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
  • deals illustration

    Book smarter

    Save up to 40% on select hotels after you book a flight*
  • trophy illustration

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap Flights from Portland to Bangkok (PDX-BKK)

Prices were available within the past 7 days and start at S$558 for one-way flights and S$1,107 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Thu, 7 May - Wed, 13 May
PDX
Portland
BKK
Bangkok
S$1,107 Return, found 2 days ago
S$1,107
Return
found 2 days ago
Select United flight, departing Thu, 7 May from Portland to Bangkok, returning Wed, 13 May, priced at S$1,107 found 2 days ago
United
Tue, 14 Apr - Tue, 21 Apr
PDX
Portland
BKK
Bangkok
S$1,135 Return, found 9 hours ago
S$1,135
Return
found 9 hours ago
Select United flight, departing Tue, 14 Apr from Portland to Bangkok, returning Tue, 21 Apr, priced at S$1,135 found 9 hours ago
Alaska Airlines
Thu, 7 May - Wed, 13 May
PDX
Portland
BKK
Bangkok
S$1,146 Return, found 2 days ago
S$1,146
Return
found 2 days ago
Select Alaska Airlines flight, departing Thu, 7 May from Portland to Bangkok, returning Wed, 13 May, priced at S$1,146 found 2 days ago
All Nippon Airways
Thu, 7 May - Wed, 13 May
PDX
Portland
BKK
Bangkok
S$1,149 Return, found 2 days ago
S$1,149
Return
found 2 days ago
Select All Nippon Airways flight, departing Thu, 7 May from Portland to Bangkok, returning Wed, 13 May, priced at S$1,149 found 2 days ago
Alaska Airlines
Tue, 14 Apr - Tue, 21 Apr
PDX
Portland
BKK
Bangkok
S$1,158 Return, found 9 hours ago
S$1,158
Return
found 9 hours ago
Select Alaska Airlines flight, departing Tue, 14 Apr from Portland to Bangkok, returning Tue, 21 Apr, priced at S$1,158 found 9 hours ago
Alaska Airlines
Thu, 7 May - Wed, 13 May
PDX
Portland
BKK
Bangkok
S$1,172 Return, found 2 days ago
S$1,172
Return
found 2 days ago
Select Alaska Airlines flight, departing Thu, 7 May from Portland to Bangkok, returning Wed, 13 May, priced at S$1,172 found 2 days ago
STARLUX Airlines
Tue, 14 Apr - Tue, 21 Apr
PDX
Portland
BKK
Bangkok
S$1,177 Return, found 9 hours ago
S$1,177
Return
found 9 hours ago
Select STARLUX Airlines flight, departing Tue, 14 Apr from Portland to Bangkok, returning Tue, 21 Apr, priced at S$1,177 found 9 hours ago
Alaska Airlines
Tue, 14 Apr - Tue, 21 Apr
PDX
Portland
BKK
Bangkok
S$1,178 Return, found 9 hours ago
S$1,178
Return
found 9 hours ago
Select Alaska Airlines flight, departing Tue, 14 Apr from Portland to Bangkok, returning Tue, 21 Apr, priced at S$1,178 found 9 hours ago
Korean Air
Tue, 14 Apr - Tue, 21 Apr
PDX
Portland
BKK
Bangkok
S$1,332 Return, found 9 hours ago
S$1,332
Return
found 9 hours ago
Select Korean Air flight, departing Tue, 14 Apr from Portland to Bangkok, returning Tue, 21 Apr, priced at S$1,332 found 9 hours ago
Cathay Pacific
Fri, 27 Mar - Thu, 2 Apr
PDX
Portland
BKK
Bangkok
S$1,457 Return, found 9 hours ago
S$1,457
Return
found 9 hours ago
Select Cathay Pacific flight, departing Fri, 27 Mar from Portland to Bangkok, returning Thu, 2 Apr, priced at S$1,457 found 9 hours ago

Find the cheapest month to fly from Portland (PDX) to Bangkok (BKK)

November is typically the cheapest month to fly

From S$1,024 - S$1,469 per traveller.
Portland to Bangkok route information
Origin airport
Portland Intl.
Destination airport
Suvarnabhumi Intl.
Return price
S$1,107
Distance
12048 km

Flights from Portland to Bangkok

There are several airlines that operate frequent flights from Portland (PDX) to Bangkok (BKK) including

The earliest flight leaves Portland Intl. Airport at 11:43 and arrives at Suvarnabhumi Intl. Airport at 21:35. The last flight of the day departs Portland at 12:44 and arrives at Bangkok at 23:35.

The flight distance from Portland to Bangkok is about 12457 km, the shortest flight is 19 hours 05 minutes with Delta Air Lines.

Expedia lets you search across the largest number of airlines and Bangkok flights, which means that you’ll be able to find a great flight deal at the perfect travel date and time. Our simple-to-use booking engine makes looking for terrific bargains easy and hassle-free; just enter your travel dates and departure city, and let Expedia do the rest! Adjust your travel dates and explore connecting flights to find an even better deal on your Portland Bangkok flight!

Browse through dozens of options and rest assured that you’re seeing the best price guaranteed! Our friendly customer service representatives are here to serve you 24 hours day to provide assistance and answer any questions that you may have about booking your Portland to Bangkok trip. There’s simply no substitute for great prices suited to your travel needs and backed by excellent customer support.

Combine your Bangkok flight with a hotel and/or car rental for a package deal designed to save you even more money! Discover additional savings by booking in advance or find a last minute deal. There are tons of ways to save on your flights from Portland to Bangkok with Expedia. Use us as your stop travel destination and have the confidence that you’re getting a bargain!

Frequently asked questions

How much is a flight from PDX to Suvarnabhumi Intl. Airport (BKK)?
Round-trip journeys between Portland Airport and BKK start from S$1,107. This price is based on fares quoted within the last 7 days on Expedia for flights departing within the next year — book today so you don't miss out. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Portland Airport to Suvarnabhumi Intl. Airport (BKK)?
Most flights can be cancelled online, but each air carrier has its own set of terms and conditions. If you do decide to cancel your flight, check out our Customer Service Portal and follow the instructions.
How do I find cheap flights from PDX to BKK that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for PDX Airport to Suvarnabhumi Intl. Airport (BKK) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from PDX Airport to Suvarnabhumi Airport?
The distance is around 12,100 kilometres, so fill your carry-on luggage with everything you need to make your journey comfortable. Wondering what to take on board your Portland to Bang Phli flight? A sleep mask, earplugs and a neck pillow are a few essentials.
Which airlines fly direct from PDX Airport to BKK?
Unfortunately, there aren't any airlines that fly direct between PDX and Bangkok Airport. You'll have to book a flight with one or more stops.
Are Portland Intl. Airport (PDX) to Suvarnabhumi Intl. Airport (BKK) flight tickets cheaper when they're purchased at the last minute?
It is possible to nab great last-minute deals from Portland Airport to Suvarnabhumi Intl. Airport (BKK), but it's also possible to miss out entirely! As many airlines advertise prices up to 12 months in advance, it's worthwhile keeping an eye on fares early and being ready to pounce when you see a good bargain. Expedia compares carrier prices and updates flight deals frequently, so you can rest easy knowing you're always getting the latest offers.

Explore a world of travel with Expedia

*Available to Expedia members.