Flights from Ontario, CA to Busan, South Korea from $836

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

Find a great deal and save up to 11% by booking at least 61 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Ontario to Busan within the next two weeks, with the cheapest ticket starting at $1,477.

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

The best pricing can be found in the month of November. Prices to Busan from Ontario average $1,633. You can even find prices in November for less than $1,633, as users have found deals to Busan from as low as $1,065. The month of June appears to be one of the more expensive times to travel to Busan from Ontario. Flying in the targeted month can save you up to 31%.

When is the cheapest time to fly from Ontario to Busan (ONT - PUS)?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ontario to Busan as you normally would.

Cheap China Airlines flights from Ontario to Busan

Sun 3/177:45 pmONT - PUS

1 stop19h 05mChina Airlines

Thu 3/287:50 amPUS - ONT

1 stop21h 45mChina Airlines

Deal found 9/21$1,092

Mon 10/98:10 pmONT - PUS

1 stop19h 05mChina Airlines

Wed 10/258:15 amPUS - ONT

1 stop21h 50mChina Airlines

Deal found 9/19$1,199

Fri 10/138:10 pmONT - PUS

1 stop19h 05mChina Airlines

Wed 10/258:15 amPUS - ONT

1 stop21h 50mChina Airlines

Deal found 9/19$1,272

Mon 10/98:10 pmONT - PUS

1 stop19h 05mChina Airlines

Thu 10/268:15 amPUS - ONT

1 stop21h 50mChina Airlines

Deal found 9/19$1,282

Wed 10/118:10 pmONT - PUS

1 stop19h 05mChina Airlines

Wed 10/258:15 amPUS - ONT

1 stop21h 50mChina Airlines

Deal found 9/19$1,286

Thu 10/128:10 pmONT - PUS

1 stop19h 05mChina Airlines

Wed 10/258:15 amPUS - ONT

1 stop21h 50mChina Airlines

Deal found 9/19$1,321

Mon 10/98:10 pmONT - PUS

1 stop19h 05mChina Airlines

Tue 10/248:15 amPUS - ONT

1 stop21h 50mChina Airlines

Deal found 9/19$1,337

Tue 3/197:45 pmONT - PUS

1 stop19h 05mChina Airlines

Sun 3/318:00 amPUS - ONT

1 stop22h 05mChina Airlines

Deal found 9/21$1,364

Wed 10/118:10 pmONT - PUS

1 stop19h 05mChina Airlines

Thu 10/268:15 amPUS - ONT

1 stop21h 50mChina Airlines

Deal found 9/19$1,366

Cheap Ontario to Busan flights in September & October 2023

Mon 10/98:10 pmONT - PUS

1 stop19h 05mChina Airlines

Wed 10/258:15 amPUS - ONT

1 stop21h 50mChina Airlines

Deal found 9/19$1,199

Fri 10/138:10 pmONT - PUS

1 stop19h 05mChina Airlines

Wed 10/258:15 amPUS - ONT

1 stop21h 50mChina Airlines

Deal found 9/19$1,272

Mon 10/98:10 pmONT - PUS

1 stop19h 05mChina Airlines

Thu 10/268:15 amPUS - ONT

1 stop21h 50mChina Airlines

Deal found 9/19$1,282

Wed 10/118:10 pmONT - PUS

1 stop19h 05mChina Airlines

Wed 10/258:15 amPUS - ONT

1 stop21h 50mChina Airlines

Deal found 9/19$1,286

Thu 10/128:10 pmONT - PUS

1 stop19h 05mChina Airlines

Wed 10/258:15 amPUS - ONT

1 stop21h 50mChina Airlines

Deal found 9/19$1,321

Mon 10/98:10 pmONT - PUS

1 stop19h 05mChina Airlines

Tue 10/248:15 amPUS - ONT

1 stop21h 50mChina Airlines

Deal found 9/19$1,337

Wed 10/118:10 pmONT - PUS

1 stop19h 05mChina Airlines

Thu 10/268:15 amPUS - ONT

1 stop21h 50mChina Airlines

Deal found 9/19$1,366

Mon 10/98:10 pmONT - PUS

1 stop19h 05mChina Airlines

Sat 10/288:15 amPUS - ONT

1 stop21h 50mChina Airlines

Deal found 9/19$1,376

Fri 10/138:10 pmONT - PUS

1 stop19h 05mChina Airlines

Thu 10/268:15 amPUS - ONT

1 stop21h 50mChina Airlines

Deal found 9/19$1,387

Ontario to Busan 2023 flight deals

Mon 10/98:10 pmONT - PUS

1 stop19h 05mChina Airlines

Wed 10/258:15 amPUS - ONT

1 stop21h 50mChina Airlines

Deal found 9/19$1,199

Fri 10/138:10 pmONT - PUS

1 stop19h 05mChina Airlines

Wed 10/258:15 amPUS - ONT

1 stop21h 50mChina Airlines

Deal found 9/19$1,272

Mon 10/98:10 pmONT - PUS

1 stop19h 05mChina Airlines

Thu 10/268:15 amPUS - ONT

1 stop21h 50mChina Airlines

Deal found 9/19$1,282

Wed 10/118:10 pmONT - PUS

1 stop19h 05mChina Airlines

Wed 10/258:15 amPUS - ONT

1 stop21h 50mChina Airlines

Deal found 9/19$1,286

Thu 10/128:10 pmONT - PUS

1 stop19h 05mChina Airlines

Wed 10/258:15 amPUS - ONT

1 stop21h 50mChina Airlines

Deal found 9/19$1,321

Mon 10/98:10 pmONT - PUS

1 stop19h 05mChina Airlines

Tue 10/248:15 amPUS - ONT

1 stop21h 50mChina Airlines

Deal found 9/19$1,337

Wed 10/118:10 pmONT - PUS

1 stop19h 05mChina Airlines

Thu 10/268:15 amPUS - ONT

1 stop21h 50mChina Airlines

Deal found 9/19$1,366

Mon 10/98:10 pmONT - PUS

1 stop19h 05mChina Airlines

Sat 10/288:15 amPUS - ONT

1 stop21h 50mChina Airlines

Deal found 9/19$1,376

Fri 10/138:10 pmONT - PUS

1 stop19h 05mChina Airlines

Thu 10/268:15 amPUS - ONT

1 stop21h 50mChina Airlines

Deal found 9/19$1,387

Ontario to Busan flights leaving soon

Wed 9/278:10 pmONT - PUS

1 stop19h 05mChina Airlines

Sun 10/88:15 amPUS - ONT

1 stop21h 50mChina Airlines

Deal found 9/21$1,763

One-way flights to Busan from Ontario

Sun 12/35:45 pmONT - PUS

1 stop19h 05mChina Airlines

Deal found 9/20$836

Thu 10/128:10 pmONT - PUS

1 stop27h 45mMultiple Airlines

Deal found 9/20$935

Tue 10/178:10 pmONT - PUS

1 stop27h 45mMultiple Airlines

Deal found 9/20$1,047

Tue 10/178:10 pmONT - PUS

2 stops20h 30mMultiple Airlines

Deal found 9/20$1,079

Thu 10/128:10 pmONT - PUS

2 stops27h 40mMultiple Airlines

Deal found 9/20$1,099

Fri 10/132:00 amONT - PUS

2 stops23h 35mJapan Airlines

Deal found 9/20$3,105

Thu 10/128:10 pmONT - PUS

1 stop19h 05mChina Airlines

Deal found 9/20$4,529

Find flights from Ontario to Busan within your budget

Fly from

Fly to

Budget

$1,092 - $1,653

Route

Depart

Return

Price

OntarioBusan Gimhae

ONT - PUS

ONTPUS

Ontario

Sun 3/17

1 stop19h 05m

Busan Gimhae

Thu 3/28

1 stop21h 45m

$1,092

Pick Dates

OntarioBusan Gimhae

ONT - PUS

ONTPUS

Ontario

Mon 10/9

1 stop19h 05m

Busan Gimhae

Wed 10/25

1 stop21h 50m

$1,199

Pick Dates

OntarioBusan Gimhae

ONT - PUS

ONTPUS

Ontario

Fri 10/13

1 stop19h 05m

Busan Gimhae

Wed 10/25

1 stop21h 50m

$1,272

Pick Dates

OntarioBusan Gimhae

ONT - PUS

ONTPUS

Ontario

Mon 10/9

1 stop19h 05m

Busan Gimhae

Thu 10/26

1 stop21h 50m

$1,282

Pick Dates

OntarioBusan Gimhae

ONT - PUS

ONTPUS

Ontario

Wed 10/11

1 stop19h 05m

Busan Gimhae

Wed 10/25

1 stop21h 50m

$1,286

Pick Dates

OntarioBusan Gimhae

ONT - PUS

ONTPUS

Ontario

Thu 10/12

1 stop19h 05m

Busan Gimhae

Wed 10/25

1 stop21h 50m

$1,321

Pick Dates

OntarioBusan Gimhae

ONT - PUS

ONTPUS

Ontario

Mon 10/9

1 stop19h 05m

Busan Gimhae

Tue 10/24

1 stop21h 50m

$1,337

Pick Dates

OntarioBusan Gimhae

ONT - PUS

ONTPUS

Ontario

Tue 3/19

1 stop19h 05m

Busan Gimhae

Sun 3/31

1 stop22h 05m

$1,364

Pick Dates

OntarioBusan Gimhae

ONT - PUS

ONTPUS

Ontario

Thu 10/12

1 stop27h 45m

Busan Gimhae

Wed 10/25

1 stop21h 50m

$1,653

Pick Dates

Flights are sorted by cheapest first

Deals found on 9/21

Reviews of airlines servicing Busan

China Airlines

8.3

Very good

123 reviews

Check prices

Reviews

1 / 10

I love everything except for the chair, its a bit small. Also regarding with the seat reservation too, i requested to reserve and willing to pay extra charge for it but they said it’s all taken but when the day of flight, there were seats available in the leg room

China Airlines

8.3

Very good

123 reviews

China Airlines

8.3

Very good

123 reviews

Check prices

Reviews

1 / 10

I love everything except for the chair, its a bit small. Also regarding with the seat reservation too, i requested to reserve and willing to pay extra charge for it but they said it’s all taken but when the day of flight, there were seats available in the leg room

Japan Airlines

8.2

Very good

401 reviews

China Airlines

8.3

Very good

123 reviews

Check prices

Reviews

1 / 10

I love everything except for the chair, its a bit small. Also regarding with the seat reservation too, i requested to reserve and willing to pay extra charge for it but they said it’s all taken but when the day of flight, there were seats available in the leg room

Related info for your journey

Can I find flights from Ontario to Busan for under $1,100 on Cheapflights?

Yes, there are multiple flights from Ontario to Busan for under $1,100. The cheapest flight booked recently is on China Airlines for just $1,092, but on average you can expect to pay $1,406.

Are there last-minute flights available from Ontario to Busan for under $1,800?

There are currently 1+ open flights from Ontario to Busan within the next 7 days for less than $1,800.

What does ONT to PUS mean?

This is defined as Ontario Airport (ONT) and Busan Gimhae Airport (PUS). Codes like Busan Gimhae Airport are often used to just call airports uniquely.