Cheap flights from Seattle to Chiang Mai from $424
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Chiang Mai departing on 9/1. 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 Seattle 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 March, then you should wait until October to fly from Seattle, when ticket prices are also cheap, with an average price of $834.
What is the cheapest day to depart on your flight to Chiang Mai?
The cheapest day to depart from Seattle to Chiang Mai is on a Tuesday. Travelers who choose to depart for Chiang Mai on a Tuesday will often find tickets for as low as $882. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Seattle to Chiang Mai for around $1,415.
What is the cheapest time of day to depart on your flight to Chiang Mai?
Flying to Chiang Mai from Seattle in the morning is the least expensive time of day to depart. momondo users have found prices as low as $929 when looking at flights departing in the morning. Flights to Chiang Mai are more costly in the evening, with an average ticket price of $1,057. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.
How far in advance should I book a flight to Chiang Mai?
You are more likely to see cheaper flights to Chiang Mai from Seattle when booking 22 weeks ahead of your departure date. In general, you can expect to find flights to Chiang Mai for around $1,051 when searching 22 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chiang Mai from Seattle for as low as $768 on momondo.
What is the cheapest airline that flies from Seattle/Tacoma Intl to Chiang Mai?
China Airlines, Korean Air, and Asiana Airlines are the most popular carriers operating from Seattle/Tacoma Intl to Chiang Mai
What airlines fly to Chiang Mai?
Asiana Airlines, EVA Air and China Airlines are the top three most popular airlines that fly to Chiang Mai from Seattle according to our data. Asiana Airlines is the first choice among our users, with 50% of people opting to fly with this airline when traveling to Chiang Mai. Keep in mind that there are 4 different airlines that fly to Chiang Mai on a routine basis, so you have a few additional options to choose from.
When to book flights from Seattle to Chiang Mai
Cheap Seattle to Chiang Mai (SEA to CNX) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Seattle to Chiang Mai
How far is Seattle/Tacoma Intl to Chiang Mai by plane?
The distance between Seattle/Tacoma Intl and Chiang Mai is about 7178.6 mi. 18h 15m is a normal flight duration for this route.
When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Chiang Mai Airport?
Prices for flights from Seattle/Tacoma Intl Airport to Chiang Mai Airport refresh daily.
How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Chiang Mai Airport?
There are 4 operators available for flights from Seattle/Tacoma Intl Airport to Chiang Mai Airport as of April 2025.
How old do you have to be to fly from Seattle/Tacoma Intl 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 Seattle/Tacoma Intl Airport to Chiang Mai Airport.
What documentation or ID do you need to fly to Chiang Mai Airport?
The necessary travel and health documents for your Chiang Mai Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Seattle to Chiang Mai?
Based on momondo bookings for flights between Seattle and Chiang Mai, the leading airline is Asiana Airlines, making up 50% of the total bookings. Other popular airlines include EVA Air with 34%, China Airlines with 11%, and Korean Air with 6%.
Best airlines flying from Seattle to Chiang Mai
Compare and see reviews for airlines that fly from Seattle to Chiang Mai with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $676 | Free Cancellation | Rating 8.2 442 reviews | |||
| PriceFrom $736 | Free Cancellation | Rating 8.3 729 reviews | |||
| PriceFrom $840 | Free Cancellation | Rating 8.4 1,066 reviews | |||
| PriceFrom $882 | Free Cancellation | Rating 8.4 1,186 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Seattle to Chiang Mai?
Finding the right flight to Chiang Mai from Seattle is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Chiang Mai quick and easy, saving you time and money.
Can I find flights from Seattle to Chiang Mai with flexible booking policies on momondo?
Flights from Seattle 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 Seattle to Chiang Mai?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Seattle to Chiang Mai.
I’m not ready to book a flight from Seattle to Chiang Mai right now. Can momondo alert me if prices change?
Price alerts on flights to Chiang Mai from Seattle are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.