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Cheap flights from Ontario to Haikou from $1,324

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Haikou departing on 5/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Ontario to Haikou

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
12:10 am - 10:20 pm
ONT
-
HAK
31h 10m
2 stops
Multiple Airlines Logo
7:35 am - 6:00 pm
HAK
-
ONT
25h 25m
2 stops
$1,324Multiple Airlines
Fri, May 8 - Mon, May 18
Multiple Airlines Logo
12:10 am - 10:45 pm
ONT
-
HAK
31h 35m
2 stops
Multiple Airlines Logo
7:35 am - 6:00 pm
HAK
-
ONT
25h 25m
2 stops
$1,488Multiple Airlines
Sun, Mar 29 - Thu, Apr 30
Multiple Airlines Logo
12:10 am - 10:20 pm
ONT
-
HAK
31h 10m
3 stops
Multiple Airlines Logo
7:35 am - 6:00 pm
HAK
-
ONT
25h 25m
2 stops
$1,492Multiple Airlines
Sun, Mar 29 - Thu, Apr 30
Multiple Airlines Logo
12:10 am - 3:40 pm
ONT
-
HAK
24h 30m
2 stops
Multiple Airlines Logo
4:50 pm - 6:00 pm
HAK
-
ONT
40h 10m
2 stops
$1,664Multiple Airlines
Sun, May 31 - Sun, Jun 28
Multiple Airlines Logo
12:10 am - 11:55 pm
ONT
-
HAK
32h 45m
3 stops
Multiple Airlines Logo
11:40 pm - 5:40 pm
HAK
-
ONT
33h 00m
2 stops
$1,779Multiple Airlines
Tue, Jun 9 - Thu, Aug 20
Multiple Airlines Logo
12:10 am - 10:20 pm
ONT
-
HAK
31h 10m
2 stops
Multiple Airlines Logo
7:35 am - 6:00 pm
HAK
-
ONT
25h 25m
2 stops
$1,809Multiple Airlines
Sun, May 31 - Sun, Jun 28
Multiple Airlines Logo
2:09 pm - 9:00 pm
ONT
-
HAK
39h 51m
2 stops
Multiple Airlines Logo
7:10 am - 6:13 pm
HAK
-
ONT
26h 03m
2 stops
$1,942Multiple Airlines
Wed, Jun 10 - Thu, Aug 20

momondo Fare Finder

 
Customize your flight search to find flights from Ontario to Haikou 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, momondo users made 832,500 searches. Data last updated March 12, 2026.
Use the filters below to find and compare flights from Ontario to Haikou that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

OntarioHaikou

ONT - HAK

ONTHAK

Ontario

Fri 5/8

12:10 am-10:20 pm

2 stops31h 10m

Haikou Meilan Intl

Mon 5/18

7:35 am-6:00 pm

2 stops25h 25m

$1,324

OntarioHaikou

ONT - HAK

ONTHAK

Ontario

Sun 3/29

12:10 am-10:45 pm

2 stops31h 35m

Haikou Meilan Intl

Thu 4/30

7:35 am-6:00 pm

2 stops25h 25m

$1,488

OntarioHaikou

ONT - HAK

ONTHAK

Ontario

Sun 3/29

12:10 am-10:20 pm

3 stops31h 10m

Haikou Meilan Intl

Thu 4/30

7:35 am-6:00 pm

2 stops25h 25m

$1,492

OntarioHaikou

ONT - HAK

ONTHAK

Ontario

Sun 5/31

12:10 am-3:40 pm

2 stops24h 30m

Haikou Meilan Intl

Sun 6/28

4:50 pm-6:00 pm

2 stops40h 10m

$1,664

OntarioHaikou

ONT - HAK

ONTHAK

Ontario

Tue 6/9

12:10 am-11:55 pm

3 stops32h 45m

Haikou Meilan Intl

Thu 8/20

11:40 pm-5:40 pm

2 stops33h 00m

$1,779

OntarioHaikou

ONT - HAK

ONTHAK

Ontario

Sun 5/31

12:10 am-10:20 pm

2 stops31h 10m

Haikou Meilan Intl

Sun 6/28

7:35 am-6:00 pm

2 stops25h 25m

$1,809

OntarioHaikou

ONT - HAK

ONTHAK

Ontario

Wed 6/10

2:09 pm-9:00 pm

2 stops39h 51m

Haikou Meilan Intl

Thu 8/20

7:10 am-6:13 pm

2 stops26h 03m

$1,942

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Haikou from

How to get the cheapest flight ticket from Ontario to Haikou

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What airlines fly to Haikou?

China Southern, China Eastern and Cathay Pacific are the top three most popular airlines that fly to Haikou from Ontario according to our data. China Southern is the first choice among our users, with 73% of people opting to fly with this airline when traveling to Haikou. Keep in mind that there are 5 different airlines that fly to Haikou on a routine basis, so you have a few additional options to choose from.

When to book flights from Ontario to Haikou

Are you open to changing your travel dates? Check out the ideal times to fly from Ontario to Haikou according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Ontario to Haikou (ONT to HAK) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to Haikou

Fastest flight time

31h 40m

Direct flights

None
The fastest flight from Ontario to Haikou takes 31h 40m
There are no direct flights from Ontario to Haikou. There are no popular flight routes from Ontario to Haikou.
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  • How far is Ontario to Haikou Meilan Intl by plane?

    Haikou Meilan Intl is 7539.6 mi away from Ontario. By plane, this route typically takes 31h 40m.

  • When did momondo last update prices for flights from Ontario Airport to Haikou Meilan Intl Airport?

    Prices for flights from Ontario Airport to Haikou Meilan Intl Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Ontario Airport to Haikou Meilan Intl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Haikou Meilan Intl Airport.

  • What documentation or ID do you need to fly to Haikou Meilan Intl Airport?

    The necessary travel and health documents for your Haikou Meilan Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Haikou?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Haikou from Ontario.

Can I find flights from Ontario to Haikou with flexible booking policies on momondo?

Flights from Ontario to Haikou with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Ontario to Haikou?

Once all potential Ontario to Haikou flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Ontario to Haikou right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Haikou, momondo offers a useful price alert feature which will track prices for flights to Haikou from Ontario and alert you when they change.

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