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).

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.

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

Yes. Flexible dates can save you up to 47% on flights from Ontario to Chiang Mai. Sunday is the cheapest departure day at ฿24,731 return on average, while Wednesday is the most expensive at ฿46,295, a difference of ฿21,564. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

What popular places can I visit in Chiang Mai?

Some of the most popular sights in Chiang Mai are Tha Phae Gate, Chiang Mai Gate, and Chang Puak Gate. These are among the most viewed places in Chiang Mai on KAYAK.

How long is a flight from Ontario to Chiang Mai?

A direct flight from Ontario to Chiang Mai takes 00m, covering 20,876 km.

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 ฿14,942, which is 30% 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.

Which car hire options are available at Chiang Mai Airport (CNX)?

Chiang Mai Airport (CNX) hosts 5 major car rental companies, with daily rates starting from around ฿414 for economy cars. Top options include: • Drive Car Rental • Alamo • Sixt • Yesaway • ASAP Car Rentals

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

Return flights from Ontario to Chiang Mai range from ฿32,970 to ฿41,472, with an average of ฿37,294 over the past 12 months. Anything below ฿32,970 counts as a good deal.

How much is a return flight from Ontario to Chiang Mai?

Return flights from Ontario to Chiang Mai typically range from ฿32,970 to ฿41,472. The lowest price found in the past 5 days was ฿24,631 on Korean Air.

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

Based on deals KAYAK users found in the last 12 months, Sunday is the cheapest day of the week to fly from Ontario to Chiang Mai. It’s 34% cheaper than the average day, while Wednesday is the most expensive, with prices 24% higher.

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

Korean Air (฿24,631) and เดลต้า (฿26,397) are the cheapest airlines to fly return from Ontario to Chiang Mai according to KAYAK data over the last 5 days.

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

Flights via Taipei City Taiwan Taoyuan Intl (TPE) offer the most affordable fares, with an average return price of ฿39,775. Based on KAYAK data over the past 3 months.

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

Taipei City Taiwan Taoyuan Intl (TPE) had the shortest average connection time for Ontario to Chiang Mai stopovers at 11h 33m over the past 3 months.

฿12,732 CHEAP FLIGHTS from Ontario to Chiang Mai (ONT - CNX)

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Never overpay with our price tracking tools.

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

Cheapest return flight

฿24,631

Typical prices: ฿32,970-฿41,472

Korean Air

Fri 30/11Thu 6/12

ONT - CNX • 2 stops

Cheapest one-way flight

฿12,732

Typical prices: ฿17,432-฿33,861

Korean Air

Sat 10/2

ONT - CNX • 2 stops

Direct 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

November

Cheapest • 23% price drop

December

Most popular

Good to know

Start a new search

KAYAK searches hundreds of sites at once to find you the best travel deals.

We hope you enjoy 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.

Return

One-way

Last minute

Recent return flight deals from Ontario to Chiang Mai

Mon 30 Nov - Sun 6 Dec

07:00 - 22:45ONT Ontario-CNX Chiang Mai

24h 45m2 stops Seattle/Tacoma Intl Incheon Intl

00:20 - 17:15CNX Chiang Mai-ONT Ontario

31h 55m2 stops Incheon Intl Seattle/Tacoma Intl

฿24,631Korean Air

Mon 25 Jan - Mon 8 Feb

07:00 - 22:45ONT Ontario-CNX Chiang Mai

24h 45m2 stops Seattle/Tacoma Intl Incheon Intl

00:20 - 22:43CNX Chiang Mai-ONT Ontario

37h 23m2 stops Incheon Intl Seattle/Tacoma Intl

฿26,197Korean Air

Thu 29 Oct - Sun 1 Nov

06:20 - 22:45ONT Ontario-CNX Chiang Mai

26h 25m2 stops Seattle/Tacoma Intl Incheon Intl

00:20 - 22:12CNX Chiang Mai-ONT Ontario

36h 52m2 stops Incheon Intl Salt Lake City

฿26,397เดลต้า

Sat 6 Mar - Fri 26 Mar

15:30 - 22:45ONT Ontario-CNX Chiang Mai

40h 15m2 stops Seattle/Tacoma Intl Incheon Intl

00:20 - 17:17CNX Chiang Mai-ONT Ontario

30h 57m2 stops Incheon Intl Seattle/Tacoma Intl

฿26,597Korean Air

Sun 1 Nov - Tue 3 Nov

06:20 - 22:45ONT Ontario-CNX Chiang Mai

25h 25m2 stops Seattle/Tacoma Intl Incheon Intl

00:20 - 17:12CNX Chiang Mai-ONT Ontario

31h 52m2 stops Incheon Intl Seattle/Tacoma Intl

฿33,330Korean Air

Wed 10 Feb - Fri 19 Feb

21:45 - 16:00ONT Ontario-CNX Chiang Mai

27h 15m1 stop Taipei City Taiwan Taoyuan Intl

18:10 - 15:55CNX Chiang Mai-ONT Ontario

36h 45m1 stop Taipei City Taiwan Taoyuan Intl

฿33,996STARLUX Airlines

Tue 26 Jan - Thu 11 Feb

21:45 - 16:00ONT Ontario-CNX Chiang Mai

27h 15m1 stop Taipei City Taiwan Taoyuan Intl

17:15 - 15:55CNX Chiang Mai-ONT Ontario

37h 40m1 stop Taipei City Taiwan Taoyuan Intl

฿34,063STARLUX Airlines

Mon 8 Mar - Mon 29 Mar

21:45 - 16:00ONT Ontario-CNX Chiang Mai

27h 15m1 stop Taipei City Taiwan Taoyuan Intl

10:10 - 17:05CNX Chiang Mai-ONT Ontario

20h 55m2 stops Bangkok Suvarnabhumi Taipei City Taiwan Taoyuan Intl

฿34,796Multiple Airlines

Mon 22 Feb - Tue 9 Mar

21:45 - 16:00ONT Ontario-CNX Chiang Mai

27h 15m1 stop Taipei City Taiwan Taoyuan Intl

10:10 - 15:55CNX Chiang Mai-ONT Ontario

20h 45m2 stops Bangkok Suvarnabhumi Taipei City Taiwan Taoyuan Intl

฿35,196Multiple Airlines

Tue 16 Feb - Wed 10 Mar

22:50 - 10:25ONT Ontario-CNX Chiang Mai

20h 35m1 stop Taipei City Taiwan Taoyuan Intl

11:25 - 17:05CNX Chiang Mai-ONT Ontario

20h 40m1 stop Taipei City Taiwan Taoyuan Intl

฿35,363China Airlines

Recent last minute flight deals from Ontario to Chiang Mai

Sun 25 Oct - Fri 6 Nov

06:20 - 22:45ONT Ontario-CNX Chiang Mai

26h 25m2 stops Seattle/Tacoma Intl Incheon Intl

00:20 - 22:11CNX Chiang Mai-ONT Ontario

36h 51m2 stops Incheon Intl Salt Lake City

฿29,497Multiple Airlines

Tue 20 Oct - Wed 28 Oct

00:10 - 13:45ONT Ontario-CNX Chiang Mai

23h 35m2 stops Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi

11:25 - 18:05CNX Chiang Mai-ONT Ontario

20h 40m1 stop Taipei City Taiwan Taoyuan Intl

฿39,329Multiple Airlines

Tue 20 Oct - Wed 28 Oct

00:10 - 16:45ONT Ontario-CNX Chiang Mai

26h 35m2 stops Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi

06:35 - 18:05CNX Chiang Mai-ONT Ontario

25h 30m2 stops Bangkok Suvarnabhumi Taipei City Taiwan Taoyuan Intl

฿41,796Multiple Airlines

Sun 25 Oct - Sat 7 Nov

23:50 - 13:45ONT Ontario-CNX Chiang Mai

23h 55m2 stops Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi

10:10 - 17:05CNX Chiang Mai-ONT Ontario

21h 55m2 stops Bangkok Suvarnabhumi Taipei City Taiwan Taoyuan Intl

฿44,162Multiple Airlines

Tue 20 Oct - Wed 28 Oct

00:10 - 10:20ONT Ontario-CNX Chiang Mai

20h 10m1 stop Taipei City Taiwan Taoyuan Intl

11:25 - 18:05CNX Chiang Mai-ONT Ontario

20h 40m1 stop Taipei City Taiwan Taoyuan Intl

฿46,562China Airlines

Wed 21 Oct - Sun 15 Nov

00:10 - 19:10ONT Ontario-CNX Chiang Mai

29h 00m2 stops Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi

19:45 - 17:05CNX Chiang Mai-ONT Ontario

36h 20m2 stops Bangkok Suvarnabhumi Taipei City Taiwan Taoyuan Intl

฿48,095China Airlines

Sun 25 Oct - Sat 7 Nov

23:50 - 10:25ONT Ontario-CNX Chiang Mai

20h 35m1 stop Taipei City Taiwan Taoyuan Intl

11:25 - 17:05CNX Chiang Mai-ONT Ontario

20h 40m1 stop Taipei City Taiwan Taoyuan Intl

฿55,628China Airlines

Wed 21 Oct - Sun 15 Nov

00:10 - 19:10ONT Ontario-CNX Chiang Mai

29h 00m2 stops Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi

11:25 - 17:05CNX Chiang Mai-ONT Ontario

20h 40m1 stop Taipei City Taiwan Taoyuan Intl

฿60,194Multiple 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 with more confidence.

Prices

Airlines

Stopovers

How much is a return flight from Ontario to Chiang Mai? This analysis is based on the cheapest return price found on KAYAK in the last 12 months by searching for a flight from Ontario to Chiang Mai departing in November.
What's the cheapest day of the week to fly from Ontario to Chiang Mai?: Based on deals KAYAK users found in the last 12 months, Sunday is the cheapest day of the week to fly from Ontario to Chiang Mai. It’s 34% cheaper than the average day, while Wednesday is the most expensive, with prices 24% higher.

Find deals

High season	December
Cheapest flight	฿12,732

The most popular month to fly with an average 17% increase in traveller numbers.

One-way 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 return price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns 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.

How long is a flight from Ontario to Chiang Mai?
A direct flight from Ontario to Chiang Mai takes 00m, covering 20,876 km.
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 much should I expect to pay for a Ontario to Chiang Mai flight?
Return flights from Ontario to Chiang Mai range from ฿32,970 to ฿41,472, with an average of ฿37,294 over the past 12 months. Anything below ฿32,970 counts as a good deal.
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 ฿14,942, which is 30% below the typical average for this route.
Which car hire options are available at Chiang Mai Airport (CNX)?
Chiang Mai Airport (CNX) hosts 5 major car rental companies, with daily rates starting from around ฿414 for economy cars. Top options include:

• Drive Car Rental
• Alamo
• Sixt
• Yesaway
• ASAP Car Rentals
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).
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.
Can I save money by using flexible dates for flights from Ontario to Chiang Mai?
Yes. Flexible dates can save you up to 47% on flights from Ontario to Chiang Mai. Sunday is the cheapest departure day at ฿24,731 return on average, while Wednesday is the most expensive at ฿46,295, a difference of ฿21,564.

Cheaper weekend fares like these are typical of routes dominated by weekday business travel.
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 popular places can I visit in Chiang Mai?
Some of the most popular sights in Chiang Mai are Tha Phae Gate, Chiang Mai Gate, and Chang Puak Gate. These are among the most viewed places in Chiang Mai on KAYAK.

If your dates are flexible, aim for a Sunday departure and avoid flying on Wednesday. On this route, Sunday flights average ฿24,731, about ฿21,564 less than Wednesday fares (47% savings) based on the last 12 months.
If you can choose when to travel, plan your Ontario to Chiang Mai trip for November. Fares historically average ฿28,864 return in that month – typically ฿47,195 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
• De Lanna Hotel

More options for your flight from Ontario to Chiang Mai

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Car rentals in Chiang Mai

Hotels in Chiang Mai

ONT - CNX

฿12,732 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 return 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 return flight from Ontario to Chiang Mai?

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

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

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

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

Key details for Ontario to Chiang Mai flights

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 hire

Information on your arrival and departure airports

Cabin class types available on flights from Ontario to Chiang Mai

Flights from domestic origins to Chiang Mai

Flights to other popular destinations