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Cheap flights from Ontario to Busan from $518

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Busan departing on 3/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Ontario to Busan

Cheap round-trip flights

China Airlines Logo
10:50 pm - 6:50 pmONT-PUS
27h 00m1 stop
China Airlines Logo
12:15 pm - 6:00 pmPUS-ONT
21h 45m1 stop
$938China Airlines
Find Deal
Thu, Feb 26 - Mon, Mar 30
China Airlines Logo
12:10 am - 11:15 amONT-PUS
19h 05m1 stop
China Airlines Logo
7:50 pm - 4:50 pmPUS-ONT
38h 00m1 stop
$968China Airlines
Find Deal
Sun, Oct 19 - Thu, Nov 6
China Airlines Logo
10:50 pm - 10:50 amONT-PUS
19h 00m1 stop
China Airlines Logo
11:50 am - 4:50 pmPUS-ONT
22h 00m1 stop
$985China Airlines
Find Deal
Wed, Nov 5 - Wed, Nov 19
China Airlines Logo
12:10 am - 7:00 pmONT-PUS
26h 50m1 stop
China Airlines Logo
10:20 am - 6:00 pmPUS-ONT
23h 40m1 stop
$1,028China Airlines
Find Deal
Mon, Oct 13 - Tue, Oct 21
China Airlines Logo
12:10 am - 7:00 pmONT-PUS
26h 50m1 stop
China Airlines Logo
10:20 am - 6:00 pmPUS-ONT
23h 40m1 stop
$1,049China Airlines
Find Deal
Wed, Oct 1 - Sun, Oct 12
China Airlines Logo
12:10 am - 7:00 pmONT-PUS
26h 50m1 stop
China Airlines Logo
12:15 pm - 6:00 pmPUS-ONT
21h 45m1 stop
$1,050China Airlines
Find Deal
Wed, Oct 15 - Thu, Oct 23
Multiple Airlines Logo
12:10 am - 11:15 amONT-PUS
19h 05m1 stop
Multiple Airlines Logo
11:50 am - 11:32 pmPUS-ONT
28h 42m2 stops
$1,077Multiple Airlines
Find Deal
Sun, Oct 19 - Thu, Nov 6
Multiple Airlines Logo
12:10 am - 8:55 pmONT-PUS
28h 45m2 stops
Multiple Airlines Logo
9:35 pm - 5:05 pmPUS-ONT
35h 30m2 stops
$1,165Multiple Airlines
Find Deal
Wed, Oct 1 - Sun, Oct 12
Multiple Airlines Logo
12:10 am - 7:55 pmONT-PUS
27h 45m1 stop
Multiple Airlines Logo
11:00 am - 4:28 pmPUS-ONT
45h 28m2 stops
$1,197Multiple Airlines
Find Deal
Wed, Oct 1 - Sun, Oct 12
Multiple Airlines Logo
7:47 pm - 12:50 pmONT-PUS
49h 03m2 stops
Multiple Airlines Logo
10:00 pm - 5:05 pmPUS-ONT
35h 05m1 stop
$1,214Multiple Airlines
Find Deal
Thu, Oct 2 - Sun, Oct 12

China Airlines flights from Ontario to Busan

Our best China Airlines deals on Ontario to Busan flight tickets
China Airlines
Feb 26
ONT10:50 pmOntario
27h 00m
1 stop
PUS6:50 pmBusan Gimhae
Mar 30
PUS12:15 pmBusan Gimhae
21h 45m
1 stop
ONT6:00 pmOntario
$938
Find similar
China Airlines
Oct 19
ONT12:10 amOntario
19h 05m
1 stop
PUS11:15 amBusan Gimhae
Nov 6
PUS7:50 pmBusan Gimhae
38h 00m
1 stop
ONT4:50 pmOntario
$968
Find similar
China Airlines
Nov 5
ONT10:50 pmOntario
19h 00m
1 stop
PUS10:50 amBusan Gimhae
Nov 19
PUS11:50 amBusan Gimhae
22h 00m
1 stop
ONT4:50 pmOntario
$985
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Ontario to Busan 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 September 17, 2025.
Use the filters below to find and compare flights from Ontario to Busan that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OntarioBusan

ONT - PUS

ONTPUS

Ontario

Thu 2/26

10:50 pm-6:50 pm

1 stop27h 00m

Busan Gimhae

Mon 3/30

12:15 pm-6:00 pm

1 stop21h 45m

$938

OntarioBusan

ONT - PUS

ONTPUS

Ontario

Sun 10/19

12:10 am-11:15 am

1 stop19h 05m

Busan Gimhae

Thu 11/6

7:50 pm-4:50 pm

1 stop38h 00m

$968

OntarioBusan

ONT - PUS

ONTPUS

Ontario

Wed 11/5

10:50 pm-10:50 am

1 stop19h 00m

Busan Gimhae

Wed 11/19

11:50 am-4:50 pm

1 stop22h 00m

$985

OntarioBusan

ONT - PUS

ONTPUS

Ontario

Mon 10/13

12:10 am-7:00 pm

1 stop26h 50m

Busan Gimhae

Tue 10/21

10:20 am-6:00 pm

1 stop23h 40m

$1,028

OntarioBusan

ONT - PUS

ONTPUS

Ontario

Wed 10/1

12:10 am-7:00 pm

1 stop26h 50m

Busan Gimhae

Sun 10/12

10:20 am-6:00 pm

1 stop23h 40m

$1,049

OntarioBusan

ONT - PUS

ONTPUS

Ontario

Wed 10/15

12:10 am-7:00 pm

1 stop26h 50m

Busan Gimhae

Thu 10/23

12:15 pm-6:00 pm

1 stop21h 45m

$1,050

OntarioBusan

ONT - PUS

ONTPUS

Ontario

Sun 10/19

12:10 am-11:15 am

1 stop19h 05m

Busan Gimhae

Thu 11/6

11:50 am-11:32 pm

2 stops28h 42m

$1,077

OntarioBusan

ONT - PUS

ONTPUS

Ontario

Wed 10/1

12:10 am-8:55 pm

2 stops28h 45m

Busan Gimhae

Sun 10/12

9:35 pm-5:05 pm

2 stops35h 30m

$1,165

OntarioBusan

ONT - PUS

ONTPUS

Ontario

Wed 10/1

12:10 am-7:55 pm

1 stop27h 45m

Busan Gimhae

Sun 10/12

11:00 am-4:28 pm

2 stops45h 28m

$1,197

OntarioBusan

ONT - PUS

ONTPUS

Ontario

Thu 10/2

7:47 pm-12:50 pm

2 stops49h 03m

Busan Gimhae

Sun 10/12

10:00 pm-5:05 pm

1 stop35h 05m

$1,214

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 resultsSorted by cheapest first
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See travel insights to Busan from

How to get the cheapest flight ticket from Ontario to Busan

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 is the cheapest day to depart on your flight to Busan?

Our data shows that Wednesday is the least expensive day to fly to Busan. Tickets to fly out on this day can be as low as $1,104. Flights from Ontario to Busan on a Thursday will generally be more expensive and average around $1,601. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Busan?

At noon is the cheapest time of day to fly from Ontario to Busan when you can find flight prices for as low as $1,272. Flying to Busan at noon is an ideal time because this is during off-peak travel hours. In the afternoon is when there is more demand to fly to Busan, so prices are often more expensive at around $1,603 per ticket.

When to book flights from Ontario to Busan

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

Cheap Ontario to Busan (ONT to PUS) flight deals and tips

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

Direct flights

None
There are no direct flights from Ontario to Busan. There are no popular flight routes from Ontario to Busan.
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  • How far is Ontario to Busan Gimhae by plane?

    A flight from Ontario to Busan Gimhae will travel around 6000.7 mi. Typically, this will take 19h 00m by plane in normal conditions.

  • When did momondo last update prices for flights from Ontario Airport to Busan Gimhae Airport?

    Prices for flights from Ontario Airport to Busan Gimhae Airport are updated daily.

  • How many operators does momondo search for flights from Ontario Airport to Busan Gimhae Airport?

  • How old do you have to be to fly from Ontario Airport to Busan Gimhae Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Busan Gimhae Airport.

  • What documentation or ID do you need to fly to Busan Gimhae Airport?

    The travel and health documents you'll need for your trip to Busan Gimhae Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Busan Gimhae Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Ontario to Busan?

Best airlines flying from Ontario to Busan

Compare and see reviews for airlines that fly from Ontario to Busan with momondo
Airline
Rating
Free Cancellation
Price
China AirlinesPriceFrom $930Free CancellationRating
8.3
768 reviews
Search China Airlines flights

Why use momondo?

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

Finding the right flight to Busan from Ontario is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Busan quick and easy, saving you time and money.

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

Yes. momondo allows you to filter the results for Ontario to Busan flights to just show those with flexible booking policies.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Ontario to Busan.

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

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

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