$1,649+ Cheap flights from Ontario (ONT) to Hainan
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/18. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — SYX
May 6 — May 131
1 adult, Economy
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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
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Keep the following information in mind while searching for Ontario to Hainan flight deals. Data was last updated May 1, 2025.
Most accurate provider | AranGrant 3 stars |
|---|---|
Most trusted provider | AranGrant 3 stars |
Round-trip from | $1,649 (Trip.com) |
Popular in | July |
Cheapest in | April |
Average price | $1,800 |
Find flight deals from Ontario to Hainan
Cheapest flights from Ontario to HainanExplore the most affordable flight options available from Ontario to Hainan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.
Explore the most affordable flight options available from Ontario to Hainan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.
This Trip.com deal was found by Cheapflights users on 4/30. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1812:45 amONT - HAK
2 stops26h 40mMultiple Airlines
Sun 8/37:40 amHAK - ONT
2 stops50h 00mMultiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$1,649
Cheapflights Fare Finder
Customize your flight search to find flights from Ontario to Hainan 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 2,558,603 searches. Data last updated May 1, 2025.
Use the filters below to find and compare flights from Ontario to Hainan that are best for you.
Fly from
Ontario
Fly to
Hainan
Route
Depart
Return
Price
OntarioHaikou
ONT - HAK
ONTHAK
Ontario
Fri 7/18
12:45 am-6:25 pm
2 stops26h 40m
Haikou Meilan Intl
Sun 8/3
7:40 am-6:40 pm
2 stops50h 00m
$1,649
Best time to book a flight from Ontario to Hainan
Have a flexible travel schedule? Discover the best time to fly to Hainan 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 Hainan
Rainfall in Hainan by month
Plan your trip to Hainan by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Hainan ranges from 0.8 - 10.6 inches per month. September is typically the wettest month, when rainfall can reach 10.6 in. January is typically the driest time to visit Hainan when rainfall is around 0.8 in.
Temperature in Hainan by month
Plan your trip to Hainan by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Hainan, 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 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 64.4 F).