Cheap flights from Washington to Chiang Mai from $431
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to Chiang Mai departing on 10/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Washington to Chiang Mai
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Asiana Airlines flights from State of Washington to Chiang Mai
Our best Asiana Airlines deals on State of Washington to Chiang Mai flight tickets
STARLUX Airlines flights from State of Washington to Chiang Mai
Our best STARLUX Airlines deals on State of Washington to Chiang Mai flight tickets
See travel insights to Chiang Mai from
How to get the cheapest flight ticket from State of Washington 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 State of Washington, 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 State of Washington 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 State of Washington 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 State of Washington 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 State of Washington 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 State of Washington for as low as $768 on momondo.
What is the cheapest airline that flies from Washington to Chiang Mai?
Korean Air, Singapore Airlines, and China Airlines are the most popular carriers operating from Washington 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 State of Washington according to our data. Asiana Airlines is the first choice among our users, with 49% of people opting to fly with this airline when traveling to Chiang Mai. Keep in mind that there are 5 different airlines that fly to Chiang Mai on a routine basis, so you have a few additional options to choose from.
Cheap State of Washington to Chiang Mai flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from State of Washington to Chiang Mai
When did momondo last update prices for flights from Washington to Chiang Mai Airport?
Prices for flights from Washington to Chiang Mai Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Washington to Chiang Mai Airport?
As of May 2025, there are 6 operators available to choose from for flights from Washington to Chiang Mai Airport.
How old do you have to be to fly from Washington 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 Washington 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.
Best airlines flying from State of Washington to Chiang Mai
Compare and see reviews for airlines that fly from State of Washington to Chiang Mai with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $676 | Free Cancellation | Rating 8.2 442 reviews | |||
| PriceFrom $736 | Free Cancellation | Rating 8.3 732 reviews | |||
| PriceFrom $779 | Free Cancellation | Rating 8.1 1,293 reviews | |||
| PriceFrom $840 | Free Cancellation | Rating 8.4 1,068 reviews | |||
| PriceFrom $882 | Free Cancellation | Rating 8.4 1,190 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Washington to Chiang Mai?
It is quick and easy to find Washington 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 Washington to Chiang Mai with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Chiang Mai from Washington with this policy.
How can momondo help me find flights from Washington to Chiang Mai?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Chiang Mai from Washington.
I’m not ready to book a flight from Washington to Chiang Mai right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Chiang Mai, momondo offers a useful price alert feature which will track prices for flights to Chiang Mai from Washington and alert you when they change.