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

If weather is an important factor for your trip to Chengdu, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 42.8 F).

How far in advance should I book a flight from Ontario to Chengdu?

Users have found that booking a flight from Ontario to Chengdu at least 18 days early can save you up to 4% on average compared to booking a flight this week. If booking 18 days before your flight isn’t an option for you, users have found flights from Ontario to Chengdu for as little as $788 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $886 for flights departing within the next 3 days.

What is the cheapest month to fly from Ontario to Chengdu?

March is one of the best times of the year to fly to Chengdu from Ontario. Prices for March average $1,149 per person but you can even find prices for as low as $742. The most expensive prices can be found in the month of June. Opting for a March flight can save you 54% on your journey compared to booking in June

What is the cheapest time of day to fly from ONT to CTU?

When flying from Ontario to Chengdu, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Can I find deals for flights from Ontario to Chengdu that include hotel bookings?

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

How can I find direct flights from Ontario to Chengdu?

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

Can I find deals for business class flights from Ontario to Chengdu?

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

$606+ Flights from Ontario to Chengdu

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Cheap flight deals from Ontario to Chengdu

Round-trip from	$1,368 (Mytrip)
One-way from	$606 (Mytrip)
Popular in	June
Cheapest in	March
Average price	$1,275

From Ontario to Chengdu

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One-way flight from Ontario to Chengdu

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Highest demand for flights based on searches. 22% potential increase in price ($341 potential increase over avg. RT price).

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Cheapest flight prices on average. 5% potential price decrease ($57 potential savings vs. average RT price).

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Average for round-trip flights in July 2025

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Find flight deals from Ontario to Chengdu

Cheapest flights from Ontario to Chengdu
Explore the most affordable flight options available from Ontario to Chengdu. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

Sat 8/1612:45 amONT - CTU

3 stops28h 55mMultiple Airlines

Sun 8/3110:00 pmCTU - ONT

3 stops35h 40mMultiple Airlines

Deal found 7/3

$1,368

Mon 10/131:53 pmONT - CTU

2 stops41h 42mUnited Airlines

Sat 11/17:30 amCTU - ONT

2 stops20h 07mUnited Airlines

Deal found 7/2

$1,437

Best flights from Ontario to Chengdu
Discover carefully curated flight deals from Ontario to Chengdu that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 3, 2025.

Sat 8/1612:45 amONT - CTU

3 stops28h 55mMultiple Airlines

Sun 8/3110:00 pmCTU - ONT

3 stops35h 40mMultiple Airlines

Deal found 7/3

$1,368

Fri 8/156:10 amONT - CTU

2 stops25h 25mUnited Airlines

Sun 8/318:00 amCTU - ONT

2 stops24h 37mUnited Airlines

Deal found 7/1

$1,535

Last-minute flights from Ontario to Chengdu
Discover last-minute flight deals from Ontario to Chengdu. Data last updated July 3, 2025 and is based on user searches.

Sat 7/126:10 amONT - CTU

2 stops23h 35mUnited Airlines

Sat 8/307:20 amCTU - ONT

2 stops19h 53mUnited Airlines

Deal found 7/1

$1,625

Fri 8/156:10 amONT - CTU

2 stops25h 25mUnited Airlines

Sun 8/318:00 amCTU - ONT

2 stops24h 37mUnited Airlines

Deal found 7/1

$1,535

Sat 8/1612:45 amONT - CTU

3 stops28h 55mMultiple Airlines

Sun 8/3110:00 pmCTU - ONT

3 stops35h 40mMultiple Airlines

Deal found 7/3

$1,368

One-way flights from Ontario to Chengdu
Search for one-way flight options from Ontario to Chengdu. Find affordable one-way fares based on user searches. Data last updated July 3, 2025.

Thu 9/412:45 amONT - CTU

3 stops28h 55mMultiple Airlines

Deal found 7/2

$606

Mon 8/186:10 amONT - CTU

2 stops25h 25mUnited Airlines

Deal found 7/2

$820

Cheapflights Fare Finder

Use the filters below to find and compare flights from Ontario to Chengdu that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OntarioChengdu

ONT - CTU

ONTCTU

Ontario

Sat 8/16

12:45 am-8:40 pm

3 stops28h 55m

Chengdu

Sun 8/31

10:00 pm-6:40 pm

3 stops35h 40m

$1,368

OntarioChengdu

ONT - CTU

ONTCTU

Ontario

Mon 10/13

1:53 pm-10:35 pm

2 stops41h 42m

Chengdu

Sat 11/1

7:30 am-12:37 pm

2 stops20h 07m

$1,437

OntarioChengdu

ONT - CTU

ONTCTU

Ontario

Thu 9/4

12:45 am-8:40 pm

3 stops28h 55m

$606

OntarioChengdu

ONT - CTU

ONTCTU

Ontario

Mon 8/18

6:10 am-10:35 pm

2 stops25h 25m

$820

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

Best time to book a flight from Ontario to Chengdu

Have a flexible travel schedule? Discover the best time to fly to Chengdu 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.

Cheapflights Insights

Everything you need to know about your flight from Ontario to Chengdu

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

Currently, September is the cheapest month in which you can book a flight from Ontario to Chengdu (average of $885). Flying from Ontario to Chengdu in July is currently the most expensive (average of $1,798). 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.

Reviews of airlines servicing Chengdu

Read reviews from past customers who have flown United Airlines from Ontario to Chengdu. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.4

Good

8,845 reviews

Reviews

1 / 20

4.0

Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

United Airlines

7.4

Good

8,845 reviews

United Airlines

7.4

Good

8,845 reviews

Reviews

1 / 20

4.0

Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

Can I find deals for flights from Ontario to Chengdu that include hotel bookings?
Yes. In addition to deals on Ontario to Chengdu flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Ontario to Chengdu?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Chengdu.
Can I find deals for business class flights from Ontario to Chengdu?
Yes. Cheapflights offers flight deals from Ontario to Chengdu by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Ontario to Chengdu?
Currently, September is the cheapest month in which you can book a flight from Ontario to Chengdu (average of $885). Flying from Ontario to Chengdu in July is currently the most expensive (average of $1,798). 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.

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$606+ Cheap flights from Ontario (ONT) to Chengdu (CTU)

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 9/4. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Ontario to Chengdu with Cheapflights

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2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Ontario to Chengdu

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Find flight deals from Ontario to Chengdu

Cheapest flights from Ontario to ChengduExplore the most affordable flight options available from Ontario to Chengdu. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

Explore the most affordable flight options available from Ontario to Chengdu. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Ontario to Chengdu that are best for you.

Best time to book a flight from Ontario to Chengdu

Have a flexible travel schedule? Discover the best time to fly to Chengdu from Ontario with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Ontario to Chengdu

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

Reviews of airlines servicing Chengdu

Read reviews from past customers who have flown United Airlines from Ontario to Chengdu. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

Can I find deals for flights from Ontario to Chengdu that include hotel bookings?

How can I find direct flights from Ontario to Chengdu?

Can I find deals for business class flights from Ontario to Chengdu?

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

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 Chengdu

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Cheapest flights from Ontario to Chengdu
Explore the most affordable flight options available from Ontario to Chengdu. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.