Cheap flights from Portland to Chiang Mai from $457
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to Chiang Mai departing on 8/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from Portland to Chiang Mai
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Chiang Mai?
If you don’t want to visit Chiang Mai in May, then you should wait until October to fly from Portland, when ticket prices are also cheap, with an average price of $1,060.
What is the cheapest day to depart on your flight to Chiang Mai?
The cheapest day to depart from Portland to Chiang Mai is on a Wednesday. Travelers who choose to depart for Chiang Mai on a Wednesday will often find tickets for as low as $1,172. When flying out on a Tuesday, the most expensive travel day of the week, you can expect to see flight prices from Portland to Chiang Mai for around $1,526.
When to book flights from Portland to Chiang Mai
Cheap Portland to Chiang Mai (PDX to CNX) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Portland to Chiang Mai
How far is Portland to Chiang Mai by plane?
Chiang Mai is 7278.1 mi away from Portland. A reasonable flight in good conditions will take 20h 41m.
When did momondo last update prices for flights from Portland Airport to Chiang Mai Airport?
Prices for flights from Portland Airport to Chiang Mai Airport refresh daily.
How many operators does momondo search for flights from Portland Airport to Chiang Mai Airport?
There are 2 operators available for flights from Portland Airport to Chiang Mai Airport as of June 2025.
How old do you have to be to fly from Portland Airport to Chiang Mai Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Portland Airport to Chiang Mai Airport.
What documentation or ID do you need to fly to Chiang Mai Airport?
The travel and health documents you'll need for your trip to Chiang Mai Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Chiang Mai Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Portland to Chiang Mai?
momondo data reveals that the most frequently booked airline on the route from Portland to Chiang Mai is Korean Air, representing 56% of all bookings. The subsequent popular airline is EVA Air at 44%.
Best airlines flying from Portland to Chiang Mai
Compare and see reviews for airlines that fly from Portland to Chiang Mai with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $789 | Free Cancellation | Rating 8.4 1,088 reviews | |||
| PriceFrom $1,030 | Free Cancellation | Rating 8.4 1,202 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Portland to Chiang Mai?
It is quick and easy to find Portland to Chiang Mai flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Chiang Mai that suits you.
Can I find flights from Portland to Chiang Mai with flexible booking policies on momondo?
Flights from Portland to Chiang Mai with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
How can momondo help me find flights from Portland to Chiang Mai?
Once all potential Portland to Chiang Mai flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from Portland to Chiang Mai right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Portland to Chiang Mai flights. All you need is a valid email address and we will do the rest; it is that quick and easy.