Cheap flights from Ontario to Chiang Mai from $437
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Chiang Mai departing on 9/18. 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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Korean Air flights from Ontario to Chiang Mai
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How to get the cheapest flight ticket from Ontario 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 day to depart on your flight to Chiang Mai?
The cheapest day to depart from Ontario to Chiang Mai is on a Monday. Travelers who choose to depart for Chiang Mai on a Monday will often find tickets for as low as $909. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Ontario to Chiang Mai for around $1,346.
What is the cheapest time of day to depart on your flight to Chiang Mai?
Flying to Chiang Mai from Ontario in the morning is the least expensive time of day to depart. momondo users have found prices as low as $887 when looking at flights departing in the morning. Flights to Chiang Mai are more costly in the evening, with an average ticket price of $1,104. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.
What is the cheapest airline that flies from Ontario to Chiang Mai?
Korean Air, China Airlines, and Delta are the most popular carriers operating from Ontario 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 Ontario according to our data. Asiana Airlines is the first choice among our users, with 45% of people opting to fly with this airline when traveling to Chiang Mai. Keep in mind that there are 8 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 Ontario to Chiang Mai
Cheap Ontario to Chiang Mai (ONT to CNX) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Ontario to Chiang Mai
How far is Ontario to Chiang Mai by plane?
Ontario and Chiang Mai are 8055.9 mi apart from one another. Flights usually cover this in 19h 35m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Ontario Airport to Chiang Mai Airport?
Prices for flights from Ontario Airport to Chiang Mai Airport were last updated today.
How many operators does momondo search for flights from Ontario Airport to Chiang Mai Airport?
As of July 2025, there is 1 operator available to choose from for flights from Ontario Airport to Chiang Mai Airport.
How old do you have to be to fly from Ontario 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 Ontario Airport to Chiang Mai Airport.
What documentation or ID do you need to fly to Chiang Mai Airport?
The travel and health documents required for your trip to Chiang Mai Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Chiang Mai Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Ontario to Chiang Mai?
Based on momondo bookings for flights between Ontario and Chiang Mai, the leading airline is China Airlines, making up 100% of the total bookings.
Best airlines flying from Ontario to Chiang Mai
Compare and see reviews for airlines that fly from Ontario to Chiang Mai with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $796 | Free Cancellation | Rating 8.3 747 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Ontario to Chiang Mai?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Ontario to Chiang Mai. momondo saves you time and could save you money on your trip.
Can I find flights from Ontario to Chiang Mai with flexible booking policies on momondo?
Flights from Ontario 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 Ontario 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 Ontario to Chiang Mai.
I’m not ready to book a flight from Ontario to Chiang Mai right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to Chiang Mai from Ontario. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.