HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Chiang Mai

$559+ Cheap flights from Ontario (ONT) to Chiang Mai (CNX)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — CNX
Nov 5 — Nov 121
1 adult
Tue 11/5
Tue 11/12
We work with more than 300 partners to bring you better travel deals

...and more

Find cheap flights from Ontario to Chiang Mai with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Ontario to Chiang Mai

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Chiang Mai (CNX). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 31, 2024.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$900
(FlightHub)

One-way from

$559
(ScholarTrip)
Provider with most accurate pricing for Ontario-Chiang Mai flight deals.
Search Deals
Provider most trusted by Cheapflights users for Ontario-Chiang Mai flights.
Search Deals
From Ontario to Chiang Mai
Search Deals
One-way flight from Ontario to Chiang Mai
Search Deals

Find flight deals from Ontario to Chiang Mai

Cheapest flights from Ontario to Chiang Mai
Explore the most affordable flight options available from Ontario to Chiang Mai. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 31, 2024.

This FlightHub deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/125:40 amONT - CNX
2 stops26h 25mKorean Air
Mon 2/1712:15 amCNX - ONT
2 stops29h 15mKorean Air
Deal found 10/31$900
This Gotogate deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/1710:45 pmONT - CNX
1 stop20h 40mMultiple Airlines
Fri 11/2210:10 amCNX - ONT
2 stops21h 40mMultiple Airlines
Deal found 10/30$1,126
This FareScan deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FareScan is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/510:45 pmONT - CNX
1 stop20h 40mChina Airlines
Tue 1/2111:25 amCNX - ONT
1 stop20h 25mChina Airlines
Deal found 10/30$1,357
This Delta deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/111:15 amONT - CNX
2 stops45h 50mDelta
Fri 11/812:15 amCNX - ONT
2 stops37h 24mDelta
Deal found 10/30$1,515
This Qatar Airways deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/246:00 amONT - CNX
3 stops36h 20mQatar Airways
Thu 1/97:45 pmCNX - ONT
3 stops37h 28mQatar Airways
Deal found 10/30$4,459
This Priceline deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/16:00 amONT - CNX
3 stops39h 20mJapan Airlines
Sat 11/97:45 pmCNX - ONT
3 stops37h 47mJapan Airlines
Deal found 10/30$6,947

Find flights from Ontario to Chiang Mai within your budget

Customize your flight search to find flights from Ontario to Chiang Mai that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,570,725 searches. Data last updated October 31, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

OntarioChiang Mai

ONT - CNX

ONTCNX

Ontario

Tue 11/12

5:40 am-11:05 pm

2 stops26h 25m

$559

OntarioChiang Mai

ONT - CNX

ONTCNX

Ontario

Mon 1/20

3:05 pm-11:05 pm

2 stops41h 00m

$570

OntarioChiang Mai

ONT - CNX

ONTCNX

Ontario

Sun 1/12

10:45 pm-10:25 am

1 stop20h 40m

$589

OntarioChiang Mai

ONT - CNX

ONTCNX

Ontario

Sun 11/10

6:15 am-11:05 pm

2 stops25h 50m

$621

OntarioChiang Mai

ONT - CNX

ONTCNX

Ontario

Mon 1/20

6:00 am-1:45 pm

3 stops40h 45m

$1,010

OntarioChiang Mai

ONT - CNX

ONTCNX

Ontario

Tue 1/21

6:00 am-9:20 am

3 stops36h 20m

$1,188

OntarioChiang Mai

ONT - CNX

ONTCNX

Ontario

Tue 11/12

5:40 am-11:05 pm

2 stops26h 25m

Chiang Mai

Mon 2/17

12:15 am-2:30 pm

2 stops29h 15m

$900

OntarioChiang Mai

ONT - CNX

ONTCNX

Ontario

Sat 2/15

10:45 pm-1:45 pm

2 stops24h 00m

Chiang Mai

Sat 2/22

11:25 am-4:50 pm

1 stop20h 25m

$1,094

OntarioChiang Mai

ONT - CNX

ONTCNX

Ontario

Sat 1/11

3:05 pm-2:05 pm

2 stops56h 00m

Chiang Mai

Sun 1/19

3:20 pm-10:40 pm

2 stops46h 20m

$1,234

OntarioChiang Mai

ONT - CNX

ONTCNX

Ontario

Thu 12/5

10:45 pm-10:25 am

1 stop20h 40m

Chiang Mai

Tue 1/21

11:25 am-4:50 pm

1 stop20h 25m

$1,357

Flights are sorted by cheapest first

Deals found on 10/29

Showing 1-10 of 11 results
1
2

Compare providers for flights from Ontario to Chiang Mai

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Chiang Mai in October.
ProviderPrice AccuracyTrust Score*Cancellation Policy
AranGrantPrice Accuracy3 starsTrust Score*3 starsCancellation PolicyAirline Policy
eDreamsPrice Accuracy3 starsTrust Score*3 starsCancellation PolicyAirline Policy
FlightHubPrice Accuracy3 starsTrust Score*3 starsCancellation PolicyAirline Policy
CheapOairPrice Accuracy2 starsTrust Score*3 starsCancellation PolicyAirline Policy

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Ontario-Chiang Mai flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Ontario-Chiang Mai flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Ontario-Chiang Mai flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ontario-Chiang Mai flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Chiang Mai flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Ontario to Chiang Mai

Have a flexible travel schedule? Discover the best time to fly to Chiang Mai from Ontario with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Ontario to Chiang Mai

Get recent, data-driven insights about flights from Ontario to Chiang Mai including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Ontario to Chiang Mai?

Currently, September is the cheapest month in which you can book a flight from Ontario to Chiang Mai (average of $1,041). Flying from Ontario to Chiang Mai in June is currently the most expensive (average of $1,564). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Rainfall in Chiang Mai by month

Plan your trip to Chiang Mai by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Chiang Mai ranges from 0.0 - 9.8 inches per month. September is typically the wettest month, when rainfall can reach 9.8 in. January is typically the driest time to visit Chiang Mai when rainfall is around 0.0 in.

Temperature in Chiang Mai by month

Plan your trip to Chiang Mai by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Chiang Mai, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 69.8 F).

Reviews of airlines servicing Chiang Mai

Get insights into the airlines that provide service to Chiang Mai. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Chiang Mai. Reviews last updated October 31, 2024.
Korean Air
8.5
Very good
1,039 reviews

Boarding

8.5

Crew

8.7

Entertainment

8.2

Overall

8.5

Food

8.1

Comfort

8.3

Reviews

1 / 10

Ticket counter agent need to be more patient. Food was not good. It was not good like in the past.. Cabin was too hot.

Korean Air
8.5
Very good
1,039 reviews
Korean Air
8.5
Very good
1,039 reviews

Boarding

8.5

Crew

8.7

Entertainment

8.2

Overall

8.5

Food

8.1

Comfort

8.3

Reviews

1 / 10

Ticket counter agent need to be more patient. Food was not good. It was not good like in the past.. Cabin was too hot.

Japan Airlines
8.3
Very good
1,451 reviews
Korean Air
8.5
Very good
1,039 reviews

Boarding

8.5

Crew

8.7

Entertainment

8.2

Overall

8.5

Food

8.1

Comfort

8.3

Reviews

1 / 10

Ticket counter agent need to be more patient. Food was not good. It was not good like in the past.. Cabin was too hot.

China Airlines
8.3
Very good
792 reviews
Korean Air
8.5
Very good
1,039 reviews

Boarding

8.5

Crew

8.7

Entertainment

8.2

Overall

8.5

Food

8.1

Comfort

8.3

Reviews

1 / 10

Ticket counter agent need to be more patient. Food was not good. It was not good like in the past.. Cabin was too hot.

Delta
8.0
Very good
8,835 reviews
Korean Air
8.5
Very good
1,039 reviews

Boarding

8.5

Crew

8.7

Entertainment

8.2

Overall

8.5

Food

8.1

Comfort

8.3

Reviews

1 / 10

Ticket counter agent need to be more patient. Food was not good. It was not good like in the past.. Cabin was too hot.

Qatar Airways
7.5
Good
3,900 reviews
Korean Air
8.5
Very good
1,039 reviews

Boarding

8.5

Crew

8.7

Entertainment

8.2

Overall

8.5

Food

8.1

Comfort

8.3

Reviews

1 / 10

Ticket counter agent need to be more patient. Food was not good. It was not good like in the past.. Cabin was too hot.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Chiang Mai. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find flights from Ontario to Chiang Mai for under $900 on Cheapflights?

    Yes, there are multiple flights from Ontario to Chiang Mai for under $900. The cheapest flight booked recently is on Korean Air for just $900, but on average you can expect to pay $1,394.

  • Are there last-minute flights available from Ontario to Chiang Mai for under $1,600?

    There are currently 1+ open flights from Ontario to Chiang Mai within the next 7 days for less than $1,600.

  • What are the cheapest airlines flying from Ontario to Chiang Mai round-trip?

    Korean Air, at $900, was found to be the cheapest airline from Ontario to Chiang Mai.Alternate airlines to your destination round-trip include Delta and China Airlines.

  • What are the cheapest airlines to fly from Ontario to Chiang Mai one-way?

    To fly one-way, consider booking your trip with Korean Air, which is currently one of the cheapest options available, starting at $559. Delta flights start at $570 while deals on China Airlines start at $589 one-way.

  • What does ONT to CNX mean?

    This is defined as Ontario Airport (ONT) and Chiang Mai Airport (CNX). Codes like Chiang Mai Airport are often used to just call airports uniquely.

  • Can I find deals for flights from Ontario to Chiang Mai that include extra baggage allowance?

    The amount of baggage you can bring on your Ontario to Chiang Mai flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Ontario to Chiang Mai with specific airlines?

    Yes, Cheapflights allows you to browse and filter Ontario to Chiang Mai flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Ontario to Chiang Mai that include hotel bookings?

    Yes. In addition to deals on Ontario to Chiang Mai flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Chiang Mai?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Chiang Mai.

  • Can I find deals for business class flights from Ontario to Chiang Mai?

    Yes. Cheapflights offers flight deals from Ontario to Chiang Mai by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Ontario to Chiang Mai that allow pets onboard?

    Many airlines flying from Ontario to Chiang Mai offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Ontario to Chiang Mai?

    Yes, you can often find last-minute deals on Ontario to Chiang Mai flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Ontario to Chiang Mai flight deals updated?

    The Ontario to Chiang Mai flight deals you see on this page were last updated on 10/31.

  • What is the cheapest month to book a flight from Ontario to Chiang Mai?

    Currently, September is the cheapest month in which you can book a flight from Ontario to Chiang Mai (average of $1,041). Flying from Ontario to Chiang Mai in June is currently the most expensive (average of $1,564). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ontario to Chiang Mai

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Suvarnabhumi flights
San Francisco to Suvarnabhumi flights
Los Angeles to Don Mueang Intl flights
Ontario to Suvarnabhumi flights
San Francisco to Don Mueang Intl flights
Santa Ana to Suvarnabhumi flights
San Jose to Suvarnabhumi flights
Las Vegas to Suvarnabhumi flights
Burbank to Suvarnabhumi flights
San Diego to Suvarnabhumi flights
Oakland to Suvarnabhumi flights
San Francisco to Phuket City flights
Los Angeles to Phuket City flights
Sacramento to Suvarnabhumi flights
Los Angeles to Chiang Mai flights
Santa Rosa to Suvarnabhumi flights
San Francisco to Chiang Mai flights
San Diego to Don Mueang Intl flights
San Jose to Phuket City flights
Fresno to Suvarnabhumi flights
Ontario to Phuket City flights
Santa Ana to Phuket City flights
Reno to Suvarnabhumi flights
Las Vegas to Don Mueang Intl flights
Los Angeles to Koh Samui flights
San Francisco to Koh Samui flights
Medford to Suvarnabhumi flights
Oakland to Phuket City flights
Burbank to Phuket City flights
Ontario to Don Mueang Intl flights
San Jose to Chiang Mai flights
Palm Springs to Suvarnabhumi flights
Oakland to Chiang Mai flights
San Diego to Phuket City flights
Las Vegas to Phuket City flights
Long Beach to Suvarnabhumi flights
San Francisco to Krabi flights
Los Angeles to Krabi flights
San Jose to Koh Samui flights
Santa Ana to Chiang Mai flights
San Francisco to Rayong flights
Santa Rosa to Phuket City flights
Burbank to Chiang Mai flights
San Diego to Chiang Mai flights
San Jose to Don Mueang Intl flights
San Jose to Krabi flights

Top airline flying from Ontario to Chiang Mai

Discover the top airline that operate flights from Ontario to Chiang Mai. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,570,725 searches. Data last updated October 31, 2024.
AirlineCheapestAverageFlexibilityOn-time
China AirlinesCheapest$825Average$1,293FlexibilityNo cancel feeOn-time70%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
View all available airlines