Which airports can I use when flying from Ontario to Chiang Mai?

Flights from Ontario to Chiang Mai usually depart from Ontario (ONT) and arrive at Chiang Mai (CNX).

What cabin classes can I book on flights from Ontario to Chiang Mai?

Only Economy Class is available on flights from Ontario to Chiang Mai.

Which airports do connecting flights from Ontario to Chiang Mai pass through?

Most connecting flights from Ontario to Chiang Mai pass through Taipei City Taiwan Taoyuan Intl (TPE), which handles 100% of one-stop traffic on this route. Other layover airports each see under 5%.

Can I save money by using flexible dates for flights from Ontario to Chiang Mai?

Yes. Being flexible with your travel dates can save you up to 39% on the Ontario to Chiang Mai route. Friday is the cheapest departure day at $939 round-trip on average, while Sunday is the most expensive at $1,529, a difference of $590. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

What popular places can I visit in Chiang Mai?

Some of the most popular sights in Chiang Mai are Chiang Mai Night Bazaar, Tha Phae Gate and Mae Ping River. These are among the most viewed places in Chiang Mai on KAYAK.

How long is a flight from Ontario to Chiang Mai?

A nonstop flight from Ontario to Chiang Mai takes 0h 00m, covering 8,060 miles.

Do I need a passport to fly from Ontario to Chiang Mai?

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

How are flight prices from Ontario to Chiang Mai looking right now?

One-way fares from Ontario to Chiang Mai are currently lower than usual. Average one-way flight prices are about $432, which is 35% below the typical average for this route.

What is the time difference between Ontario and Chiang Mai?

Chiang Mai is 14 hours ahead of Ontario (Indochina Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

What car rental options are available at Chiang Mai Airport (CNX)?

Chiang Mai Airport (CNX) hosts 5 major car rental companies, with daily rates starting from around $12 for economy cars. Top options include: · Drive Car Rental · Alamo · Sixt · Hertz · Yesaway

How much should I expect to pay for a Ontario to Chiang Mai flight?

Round-trip flights from Ontario to Chiang Mai range from $1,083 to $1,529, with an average of $1,244 over the past 12 months. Anything below $1,083 counts as a good deal.

What is the cheapest airline to fly from Ontario to Chiang Mai?

Korean Air ($828) and Delta ($828) are the cheapest airlines to fly round-trip from Ontario to Chiang Mai according to KAYAK data over the last 5 days.

What is the cheapest layover airport when flying from Ontario to Chiang Mai?

Flights via Taipei City Taiwan Taoyuan Intl (TPE) offer the most affordable fares, with an average round-trip price of $1,341. Based on KAYAK data over the past 3 months.

When flying from Ontario to Chiang Mai which airport offers the shortest layover?

Taipei City Taiwan Taoyuan Intl (TPE) had the shortest average connection time for Ontario to Chiang Mai layovers at 702 minutes over the past 3 months.

$415 CHEAP FLIGHTS from Ontario to Chiang Mai (ONT - CNX)

Save 21% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Cheapest round-trip

$828

Typical prices: $1,083-$1,529

Korean Air

Sun 11/4Sat 1/27

ONT - CNX • 2 stops

Cheapest one-way

$415

Typical prices: $636-$1,016

Delta

Thu 1/25

ONT - CNX • 2 stops

Nonstop flights

Not available

There are currently no direct flights between Ontario and Chiang Mai. You'll need to take a connecting flight to reach the destination.

Insights

When to travel

March

Cheapest • 40% price drop

December

Most popular

Good to know

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We hope you love your trip to Chiang Mai!

Flight Deals

Cheap Flights from Ontario to Chiang Mai (ONT-CNX)

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from Ontario to Chiang Mai

Mon, Nov 2 - Wed, Nov 4

6:20 am - 10:45 pmONT Ontario-CNX Chiang Mai

25h 25m2 stops Seattle/Tacoma Intl Incheon Intl

12:20 am - 5:12 pmCNX Chiang Mai-ONT Ontario

31h 52m2 stops Incheon Intl Seattle/Tacoma Intl

$828Korean Air

Sat, Nov 14 - Mon, Jan 18

7:00 am - 10:45 pmONT Ontario-CNX Chiang Mai

24h 45m2 stops Seattle/Tacoma Intl Incheon Intl

12:20 am - 10:43 pmCNX Chiang Mai-ONT Ontario

37h 23m2 stops Incheon Intl Seattle/Tacoma Intl

$828Korean Air

Sun, Nov 29 - Sat, Dec 5

6:00 am - 10:55 pmONT Ontario-CNX Chiang Mai

25h 55m2 stops Salt Lake City Incheon Intl

12:15 am - 11:17 amCNX Chiang Mai-ONT Ontario

50h 02m2 stops Incheon Intl Seattle/Tacoma Intl

$828Delta

Sun, Nov 15 - Mon, Jan 18

7:00 am - 10:45 pmONT Ontario-CNX Chiang Mai

24h 45m2 stops Seattle/Tacoma Intl Incheon Intl

12:20 am - 10:43 pmCNX Chiang Mai-ONT Ontario

37h 23m2 stops Incheon Intl Seattle/Tacoma Intl

$828Korean Air

Wed, Nov 4 - Wed, Jan 27

6:20 am - 10:45 pmONT Ontario-CNX Chiang Mai

25h 25m2 stops Seattle/Tacoma Intl Incheon Intl

12:20 am - 10:43 pmCNX Chiang Mai-ONT Ontario

37h 23m2 stops Incheon Intl Seattle/Tacoma Intl

$828Korean Air

Fri, Nov 6 - Fri, Nov 13

6:20 am - 10:45 pmONT Ontario-CNX Chiang Mai

25h 25m2 stops Seattle/Tacoma Intl Incheon Intl

12:20 am - 5:19 pmCNX Chiang Mai-ONT Ontario

31h 59m2 stops Incheon Intl Seattle/Tacoma Intl

$828Korean Air

Wed, Jan 27 - Tue, Feb 9

7:00 am - 10:45 pmONT Ontario-CNX Chiang Mai

24h 45m2 stops Seattle/Tacoma Intl Incheon Intl

12:20 am - 1:57 pmCNX Chiang Mai-ONT Ontario

28h 37m2 stops Incheon Intl Seattle/Tacoma Intl

$828Korean Air

Wed, Nov 4 - Fri, Nov 13

6:20 am - 10:55 pmONT Ontario-CNX Chiang Mai

25h 35m2 stops Seattle/Tacoma Intl Incheon Intl

12:15 am - 11:00 pmCNX Chiang Mai-ONT Ontario

37h 45m2 stops Incheon Intl Seattle/Tacoma Intl

$872Delta

Thu, Feb 18 - Sat, Feb 27

10:50 pm - 10:25 amONT Ontario-CNX Chiang Mai

20h 35m1 stop Taipei City Taiwan Taoyuan Intl

11:25 am - 5:05 pmCNX Chiang Mai-ONT Ontario

20h 40m1 stop Taipei City Taiwan Taoyuan Intl

$911China Airlines

Tue, Feb 23 - Thu, Mar 4

10:50 pm - 10:25 amONT Ontario-CNX Chiang Mai

20h 35m1 stop Taipei City Taiwan Taoyuan Intl

11:25 am - 5:05 pmCNX Chiang Mai-ONT Ontario

20h 40m1 stop Taipei City Taiwan Taoyuan Intl

$922China Airlines

Recent last minute flight deals from Ontario to Chiang Mai

Mon, Sep 7 - Thu, Sep 10

12:45 am - 10:20 amONT Ontario-CNX Chiang Mai

19h 35m1 stop Taipei City Taiwan Taoyuan Intl

11:20 am - 6:40 pmCNX Chiang Mai-ONT Ontario

21h 20m1 stop Taipei City Taiwan Taoyuan Intl

$920China Airlines

Thu, Sep 10 - Thu, Oct 1

12:45 am - 10:20 amONT Ontario-CNX Chiang Mai

19h 35m1 stop Taipei City Taiwan Taoyuan Intl

11:20 am - 6:00 pmCNX Chiang Mai-ONT Ontario

20h 40m1 stop Taipei City Taiwan Taoyuan Intl

$928China Airlines

Thu, Sep 10 - Fri, Oct 2

12:45 am - 10:20 amONT Ontario-CNX Chiang Mai

19h 35m1 stop Taipei City Taiwan Taoyuan Intl

11:20 am - 6:00 pmCNX Chiang Mai-ONT Ontario

20h 40m1 stop Taipei City Taiwan Taoyuan Intl

$928China Airlines

Mon, Sep 7 - Thu, Sep 10

12:45 am - 1:45 pmONT Ontario-CNX Chiang Mai

23h 00m2 stops Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi

11:20 am - 6:40 pmCNX Chiang Mai-ONT Ontario

21h 20m1 stop Taipei City Taiwan Taoyuan Intl

$958Multiple Airlines

Thu, Sep 10 - Wed, Sep 30

12:45 am - 10:20 amONT Ontario-CNX Chiang Mai

19h 35m1 stop Taipei City Taiwan Taoyuan Intl

11:20 am - 6:00 pmCNX Chiang Mai-ONT Ontario

20h 40m1 stop Taipei City Taiwan Taoyuan Intl

$976China Airlines

Thu, Sep 10 - Thu, Oct 1

12:45 am - 1:45 pmONT Ontario-CNX Chiang Mai

23h 00m2 stops Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi

11:20 am - 6:00 pmCNX Chiang Mai-ONT Ontario

20h 40m1 stop Taipei City Taiwan Taoyuan Intl

$978China Airlines

Thu, Sep 10 - Fri, Oct 2

12:45 am - 1:45 pmONT Ontario-CNX Chiang Mai

23h 00m2 stops Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi

11:20 am - 6:00 pmCNX Chiang Mai-ONT Ontario

20h 40m1 stop Taipei City Taiwan Taoyuan Intl

$978China Airlines

Mon, Sep 7 - Thu, Sep 10

12:45 am - 5:15 pmONT Ontario-CNX Chiang Mai

26h 30m2 stops Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi

10:30 pm - 6:40 pmCNX Chiang Mai-ONT Ontario

34h 10m2 stops Bangkok Suvarnabhumi Taipei City Taiwan Taoyuan Intl

$983Multiple Airlines

Wed, Sep 9 - Fri, Oct 2

12:45 am - 1:45 pmONT Ontario-CNX Chiang Mai

23h 00m2 stops Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi

11:20 am - 6:00 pmCNX Chiang Mai-ONT Ontario

20h 40m1 stop Taipei City Taiwan Taoyuan Intl

$1,002China Airlines

Tue, Sep 8 - Thu, Oct 1

12:45 am - 1:45 pmONT Ontario-CNX Chiang Mai

23h 00m2 stops Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi

11:20 am - 6:00 pmCNX Chiang Mai-ONT Ontario

20h 40m1 stop Taipei City Taiwan Taoyuan Intl

$1,002China Airlines

Booking Insights

Price, demand and travel trends for Ontario to Chiang Mai flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Ontario to Chiang Mai with more confidence.

Prices

Airlines

Layovers

How much is a round-trip flight from Ontario to Chiang Mai?

Round-trip flights from Ontario to Chiang Mai start at $828. Prices are below average for this route right now, with typical round-trip fares ranging from $1,083 to $1,529. The lowest price found in the past 5 days was $828 on Korean Air.

What's the cheapest day of the week to fly from Ontario to Chiang Mai?

Friday is the cheapest day of the week to fly from Ontario to Chiang Mai, it is 25% cheaper than the average day. Sunday is the most expensive day with flight prices 22% higher than average. Based on deals found by KAYAK users in the last 12 months.

Find deals

Low season	August
High season	December
Cheapest flight	$415

Most popular time to fly with an average 23% increase in price.

Flight from Ontario to Chiang Mai

When to book flights from Ontario to Chiang Mai

Are your dates flexible? Find out the best times to travel from Ontario to Chiang Mai based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated round-trip price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

Which airports can I use when flying from Ontario to Chiang Mai?
Flights from Ontario to Chiang Mai usually depart from Ontario (ONT) and arrive at Chiang Mai (CNX).
What cabin classes can I book on flights from Ontario to Chiang Mai?
Only Economy Class is available on flights from Ontario to Chiang Mai.
Which airports do connecting flights from Ontario to Chiang Mai pass through?
Most connecting flights from Ontario to Chiang Mai pass through Taipei City Taiwan Taoyuan Intl (TPE), which handles 100% of one-stop traffic on this route. Other layover airports each see under 5%.
Can I save money by using flexible dates for flights from Ontario to Chiang Mai?
Yes. Being flexible with your travel dates can save you up to 39% on the Ontario to Chiang Mai route. Friday is the cheapest departure day at $939 round-trip on average, while Sunday is the most expensive at $1,529, a difference of $590. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.
What popular places can I visit in Chiang Mai?
Some of the most popular sights in Chiang Mai are Chiang Mai Night Bazaar, Tha Phae Gate and Mae Ping River. These are among the most viewed places in Chiang Mai on KAYAK.
How long is a flight from Ontario to Chiang Mai?
A nonstop flight from Ontario to Chiang Mai takes 0h 00m, covering 8,060 miles.
Do I need a passport to fly from Ontario to Chiang Mai?
Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.
How are flight prices from Ontario to Chiang Mai looking right now?
One-way fares from Ontario to Chiang Mai are currently lower than usual. Average one-way flight prices are about $432, which is 35% below the typical average for this route.
What is the time difference between Ontario and Chiang Mai?
Chiang Mai is 14 hours ahead of Ontario (Indochina Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.
What car rental options are available at Chiang Mai Airport (CNX)?
Chiang Mai Airport (CNX) hosts 5 major car rental companies, with daily rates starting from around $12 for economy cars. Top options include:
· Drive Car Rental
· Alamo
· Sixt
· Hertz
· Yesaway
How much should I expect to pay for a Ontario to Chiang Mai flight?
Round-trip flights from Ontario to Chiang Mai range from $1,083 to $1,529, with an average of $1,244 over the past 12 months. Anything below $1,083 counts as a good deal.

If your dates can be flexible, aim for a Friday departure instead of Sunday. On this route, Friday flights average $939 - about $590 less than Sunday (39% savings) based on the last 12 months.
If you can choose when to travel, plan your Ontario to Chiang Mai trip for March. Fares historically average $742 round-trip in that month - typically $787 less than the most expensive month, which is December (based on the last 12 months).
If you're arriving late at night and need somewhere to stay, check out these hotels close to Chiang Mai Airport.
- Le Naview @Prasingh
- Bodhi Serene, Chiang Mai
- 99 The Gallery Hotel

More options for your flight from Ontario to Chiang Mai

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ONT - CNX

$415 Find Cheap Flights from Ontario to Chiang Mai - Compare and Save

Everything you should know

Cheap Flights from Ontario to Chiang Mai (ONT-CNX)

Recent round-trip flight deals from Ontario to Chiang Mai

Recent one-way flight deals from Ontario to Chiang Mai

Recent last minute flight deals from Ontario to Chiang Mai

Price, demand and travel trends for Ontario to Chiang Mai flights

How much is a round-trip flight from Ontario to Chiang Mai?

What's the cheapest day of the week to fly from Ontario to Chiang Mai?

What is the cheapest airline to fly from Ontario to Chiang Mai?

What is the cheapest layover airport when flying from Ontario to Chiang Mai?

When flying from Ontario to Chiang Mai which airport offers the shortest layover?

Key details for Ontario to Chiang Mai flights

Low season

High season

Cheapest flight

When to book flights from Ontario to Chiang Mai

Your Ontario to Chiang Mai flight questions, answered

Your guide to booking Ontario to Chiang Mai flights

More options for your flight from Ontario to Chiang Mai

Complete your trip to Chiang Mai with a hotel stay or car rental

Information on your arrival and departure airports

Cabin class types available on flights from Ontario to Chiang Mai

Find direct flights to and from Ontario and Chiang Mai

Flights from domestic origins to Chiang Mai

Flights to other popular destinations