$364 Cheap Flights from Portland (PDX) to Bangkok (BKK)

View $364 flight on Tue, Mar 24, 2026Opens in a new window

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

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Cheap Flights from Portland to Bangkok (PDX-BKK)

Prices were available within the past 7 days and start at $364 for one-way flights and $792 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Sat, Apr 18 - Thu, Apr 23
PDX
Portland
BKK
Bangkok
$792 Roundtrip, found 2 days ago
$792
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Sat, Apr 18 from Portland to Bangkok, returning Thu, Apr 23, priced at $792 found 2 days ago
Delta
Tue, Feb 17 - Tue, Mar 3
PDX
Portland
BKK
Bangkok
$857 Roundtrip, just found
$857
Roundtrip
just found
Select Delta flight, departing Tue, Feb 17 from Portland to Bangkok, returning Tue, Mar 3, priced at $857 just found
Korean Air
Mon, Jan 12 - Thu, Jan 15
PDX
Portland
BKK
Bangkok
$862 Roundtrip, just found
$862
Roundtrip
just found
Select Korean Air flight, departing Mon, Jan 12 from Portland to Bangkok, returning Thu, Jan 15, priced at $862 just found
United
Mon, Feb 23 - Wed, Mar 4
PDX
Portland
BKK
Bangkok
$864 Roundtrip, found 3 days ago
$864
Roundtrip
found 3 days ago
Select United flight, departing Mon, Feb 23 from Portland to Bangkok, returning Wed, Mar 4, priced at $864 found 3 days ago
Japan Airlines
Sun, Jan 11 - Mon, Feb 9
PDX
Portland
BKK
Bangkok
$888 Roundtrip, found 2 days ago
$888
Roundtrip
found 2 days ago
Select Japan Airlines flight, departing Sun, Jan 11 from Portland to Bangkok, returning Mon, Feb 9, priced at $888 found 2 days ago
All Nippon Airways
Tue, Feb 10 - Tue, Feb 24
PDX
Portland
BKK
Bangkok
$890 Roundtrip, found 4 days ago
$890
Roundtrip
found 4 days ago
Select All Nippon Airways flight, departing Tue, Feb 10 from Portland to Bangkok, returning Tue, Feb 24, priced at $890 found 4 days ago
STARLUX Airlines
Fri, Sep 11 - Sat, Sep 26
PDX
Portland
BKK
Bangkok
$1,002 Roundtrip, found 2 days ago
$1,002
Roundtrip
found 2 days ago
Select STARLUX Airlines flight, departing Fri, Sep 11 from Portland to Bangkok, returning Sat, Sep 26, priced at $1,002 found 2 days ago
Cathay Pacific
Tue, Sep 1 - Tue, Sep 15
PDX
Portland
BKK
Bangkok
$1,009 Roundtrip, just found
$1,009
Roundtrip
just found
Select Cathay Pacific flight, departing Tue, Sep 1 from Portland to Bangkok, returning Tue, Sep 15, priced at $1,009 just found
American Airlines
Wed, Mar 4 - Thu, Mar 12
PDX
Portland
BKK
Bangkok
$1,022 Roundtrip, found 6 hours ago
$1,022
Roundtrip
found 6 hours ago
Select American Airlines flight, departing Wed, Mar 4 from Portland to Bangkok, returning Thu, Mar 12, priced at $1,022 found 6 hours ago
Qatar Airways
Wed, May 13 - Thu, May 28
PDX
Portland
BKK
Bangkok
$1,063 Roundtrip, found 6 days ago
$1,063
Roundtrip
found 6 days ago
Select Qatar Airways flight, departing Wed, May 13 from Portland to Bangkok, returning Thu, May 28, priced at $1,063 found 6 days ago

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

November is typically the cheapest month to fly

From $790 - $1,133 per traveler.

Alternative airports near Bangkok

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Suvarnabhumi Intl. BKK. Cheapest option available. Average driving time to city center is 23 minutes. Flights from $2,235
BKK
Suvarnabhumi Intl.
Cheapest
Average driving time to city center23 min
Flights from $2,235
Flights from Portland (PDX) to Bangkok (BKK)
Origin airport
Portland Intl.
Destination airport
Suvarnabhumi Intl.
Airlines serving
Air Canada, Air France, Alaska Airlines, All Nippon Airways, American Airlines, Asiana Airlines, Cathay Pacific, China Eastern Airlines, Delta, Finnair, Japan Airlines, KLM, Korean Air, Lufthansa, Malaysia Airlines, Qantas Airways, Qatar Airways, STARLUX Airlines, Swiss International Air Lines, United
Roundtrip price
$792
Distance
7530 mi

Portland to Bangkok Flights

The cheapest times to fly from Portland to Bangkok

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Portland to Bangkok are during the month of April. You can find some of the cheapest flights from Portland to Bangkok with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Portland to Bangkok

Sunday is one of the best days to book for cheap flights from Portland to Bangkok: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Portland to Bangkok

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Portland to Bangkok in 2026. You can also book with separate airlines for your outbound and return journeys, from $364 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Portland to Bangkok flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Portland to Bangkok airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Portland Intl. Airport (PDX) to Suvarnabhumi Intl. Airport (BKK) cost?
Secure a cheap one-way flight from $364 or cheap return flight from $792 from Portland Intl. Airport (PDX) to Suvarnabhumi Intl. Airport (BKK) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Portland Intl. Airport (PDX) to Suvarnabhumi Intl. Airport (BKK)?
The cheapest month to fly from PDX to BKK is April, when there's less demand. Off-peak months are generally when you'll find lower airfares between these airports.
What is the cheapest airline that flies from Portland Intl. Airport (PDX) to Suvarnabhumi Intl. Airport (BKK)?
To find the cheapest airline that'll fly you from PDX to BKK, use Expedia's filter tool. Customize your search based on what's important to you, such as preferred carriers and ideal departure window. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
How many flights per day from Portland Intl. Airport (PDX) to Suvarnabhumi Intl. Airport (BKK)?
You'll have to take a flight with a layover if you're traveling from Portland Intl. Airport (PDX) to Suvarnabhumi Intl. Airport (BKK). There are no daily direct flights on this route. However, just filter your search to include one or two stops to discover an option that works for you.
What day of the week has the most flights from PDX to BKK?
You'll generally find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Portland Intl. Airport (PDX) to Suvarnabhumi Intl. Airport (BKK)?
Opt for a flight from Portland Intl. Airport (PDX) to Suvarnabhumi Intl. Airport (BKK) that leaves before 3 PM to reduce the risk of delays and cancellations. Departures after this time have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Portland Intl. Airport (PDX) to Suvarnabhumi Intl. Airport (BKK) last-minute?
Booking your ticket from PDX to BKK just before your journey is usually more expensive. But if there's some wiggle room with your departure times and dates, you could score a cheap last-minute fare.
Is it cheaper to book a PDX to BKK flight and hotel package?
Compared with arranging flights and hotels separately, booking a PDX to BKK flight and hotel package with Expedia could result in significant savings. Better still, having everything in one convenient place takes the hassle out of planning your trip. Simply secure your flights and select from our wide range of hotels, then personalize your trip with other add-ons like activities, tours and car rentals.
Can I cancel or change the date of my flight from Portland Intl. Airport (PDX) to Suvarnabhumi Intl. Airport (BKK)?
If you booked your PDX to BKK flight in the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the ticket type you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for further details.

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*Available to One Key members.