£396 Cheap Flights from Portland (PDX) to Bangkok (BKK)

View £396 flight on Sat, 2 May 2026Opens in a new window

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

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

Prices were available within the past 7 days and start at £396 for one-way flights and £1,026 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Thu, 23 Jul - Mon, 3 Aug
PDX
Portland
BKK
Bangkok
£1,026 Return, found 2 days ago
£1,026
Return
found 2 days ago
Select United flight, departing Thu, 23 Jul from Portland to Bangkok, returning Mon, 3 Aug, priced at £1,026 found 2 days ago
Delta
Sat, 25 Jul - Fri, 31 Jul
PDX
Portland
BKK
Bangkok
£1,331 Return, found 2 days ago
£1,331
Return
found 2 days ago
Select Delta flight, departing Sat, 25 Jul from Portland to Bangkok, returning Fri, 31 Jul, priced at £1,331 found 2 days ago
Asiana Airlines
Sat, 6 Jun - Sat, 13 Jun
PDX
Portland
BKK
Bangkok
£1,606 Return, found 1 day ago
£1,606
Return
found 1 day ago
Select Asiana Airlines flight, departing Sat, 6 Jun from Portland to Bangkok, returning Sat, 13 Jun, priced at £1,606 found 1 day ago
Alaska Airlines
Sat, 25 Jul - Fri, 31 Jul
PDX
Portland
BKK
Bangkok
£1,727 Return, found 2 days ago
£1,727
Return
found 2 days ago
Select Alaska Airlines flight, departing Sat, 25 Jul from Portland to Bangkok, returning Fri, 31 Jul, priced at £1,727 found 2 days ago
Condor
Sat, 25 Jul - Fri, 31 Jul
PDX
Portland
BKK
Bangkok
£1,825 Return, found 2 days ago
£1,825
Return
found 2 days ago
Select Condor flight, departing Sat, 25 Jul from Portland to Bangkok, returning Fri, 31 Jul, priced at £1,825 found 2 days ago
British Airways
Fri, 24 Jul - Sun, 2 Aug
PDX
Portland
BKK
Bangkok
£1,896 Return, found 2 days ago
£1,896
Return
found 2 days ago
Select British Airways flight, departing Fri, 24 Jul from Portland to Bangkok, returning Sun, 2 Aug, priced at £1,896 found 2 days ago

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

September is typically the cheapest month to fly

From £522 - £759 per traveller.

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 £1,026. 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.

Frequently asked questions

How do I find cheap flights from Portland, OR (PDX-Portland Intl.) to Bangkok (BKK-Suvarnabhumi Intl.)?
To find a cheap flight from Portland, OR (PDX-Portland Intl.) to Bangkok (BKK-Suvarnabhumi Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Portland, OR (PDX-Portland Intl.) to Bangkok (BKK-Suvarnabhumi Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Portland, OR (PDX-Portland Intl.) to Bangkok (BKK-Suvarnabhumi Intl.)?
There are approximately 40 connecting flights per day from Portland Intl. (PDX) to Suvarnabhumi Intl. (BKK). Some common connection points include Seattle - Tacoma Intl. (SEA), San Francisco Intl. (SFO), and Los Angeles Intl. (LAX).
What is the earliest flight from Portland, OR (PDX-Portland Intl.) to Bangkok (BKK-Suvarnabhumi Intl.)?
The earliest flight from Portland, OR (PDX-Portland Intl.) to Bangkok (BKK-Suvarnabhumi Intl.) typically departs at approximately 12:30 AM local time. This seasonal service is active in December and is operated by Delta and Korean Air. An early departure like this can help you maximise your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Portland, OR (PDX-Portland Intl.) to Bangkok (BKK-Suvarnabhumi Intl.)?
You'll typically find the most flights from Portland Intl. (PDX) to Suvarnabhumi Intl. (BKK) on a Friday, with around 67 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include Alaska Airlines, Delta Air Lines, and United Airlines. Friday also sees notably more flight options compared to other days of the week.
What are the most popular departure times for flights from Portland, OR (PDX-Portland Intl.) to Bangkok (BKK-Suvarnabhumi Intl.)?
The most popular departure times for flights from Portland, OR (PDX-Portland Intl.) to Bangkok (BKK-Suvarnabhumi Intl.) are in the evening, from 6pm to 9pm. About 22% of passengers prefer this time. Many major carriers, including Air Canada, Alaska Airlines and United Airlines, offer flights during this window. This timing works well because it allows you to finish your day before heading to the airport, and you'll arrive in Bangkok ready to start your adventure.
How long does it take to fly from Portland, OR (PDX-Portland Intl.) to Bangkok (BKK-Suvarnabhumi Intl.)?
Flights from PDX to BKK with one stop typically take around 24 hours 20 minutes, covering approximately 7,531 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Portland, OR (PDX-Portland Intl.) to Bangkok (BKK-Suvarnabhumi Intl.)?
Select the "Business class" and "First class" filters when looking for PDX to BKK flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Portland, OR (PDX-Portland Intl.) to Bangkok (BKK-Suvarnabhumi Intl.) flight with Expedia?
It's easy to earn miles on a Portland, OR (PDX-Portland Intl.) to Bangkok (BKK-Suvarnabhumi Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia. *Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Bangkok from Portland Intl. (PDX)?
From Portland Intl. (PDX), you can fly directly into Suvarnabhumi Intl. (BKK) to reach Bangkok. Some flights may connect through major hubs like Seattle - Tacoma Intl. (SEA), San Francisco Intl. (SFO), Los Angeles Intl. (LAX) before reaching Bangkok. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Portland, OR (PDX-Portland Intl.) to Bangkok (BKK-Suvarnabhumi Intl.) at the last minute?
Typically, booking a last minute flight from Portland, OR (PDX-Portland Intl.) to Bangkok (BKK-Suvarnabhumi Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Portland, OR (PDX-Portland Intl.) to Bangkok (BKK-Suvarnabhumi Intl.) flight and hotel package?
Securing a Portland, OR (PDX-Portland Intl.) to Bangkok (BKK-Suvarnabhumi Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Portland, OR (PDX-Portland Intl.) to Bangkok (BKK-Suvarnabhumi Intl.)?
If you booked your Portland, OR (PDX-Portland Intl.) to Bangkok (BKK-Suvarnabhumi Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Portland Intl.
Destination airport
Suvarnabhumi Intl.
Return price
£1,025
Distance
12048 km

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