$482 Find cheap flights from Chiang Mai to Portland

In the last 3 days, the lowest price for a flight from Chiang Mai to Portland was $482 for a one-way ticket and $1,434 for a round-trip.

Yes, you'll most likely have to show a valid passport before boarding the plane in Chiang Mai and on arrival in Portland.

On your way to Portland, you’ll fly out from Chiang Mai. You’ll be landing at Portland.

We unfortunately don’t have that data for this specific route.

Star Alliance, SkyTeam, and oneworld are the airline alliances operating flights between Chiang Mai and Portland, with oneworld being the most commonly used for this route.

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Chiang Mai to Portland.

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Portland from Chiang Mai is likely to change within 7 days, so travelers know whether to wait or book now.

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Portland with an airline and back to Chiang Mai with another airline. Booking your flights between Chiang Mai and PDX can sometimes prove cheaper using this method.

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Portland from Chiang Mai up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.