Yes, there are multiple flights from Thailand to Portland for under ฿ 36,023. The cheapest flight booked recently is on Qatar Airways for just ฿ 35,212, but on average you can expect to pay ฿ 38,394.
Qatar Airways is one of the carriers that may have flexible change policies. You can use our site to filter for other airlines that may also have this kind of flexibility.
There are no direct flights from Thailand to Portland, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.
Airlines like Qatar Airways and United Airlines fly from Thailand to Portland in about 32h 11m. The time it takes to get you to your destination can typically vary by up to 16h 31m. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.
Flying on Qatar Airways is currently your cheapest option to Portland, with prices starting at ฿ 35,213. Another option worth looking into is United Airlines, starting at ฿ 41,217 return.