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Busan

$579+ Cheap flights from Ontario (ONT) to Busan (PUS)

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 8/24. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — PUS
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from Ontario to Busan

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Busan (PUS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 12, 2025.

Round-trip from

$955
(oojo)

One-way from

$579
(oojo)

Popular in

July

Cheapest in

October

Average price

$1,635
From Ontario to Busan Gimhae
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One-way flight from Ontario to Busan Gimhae
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Highest demand for flights based on searches. 14% potential increase in price ($231 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($63 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Ontario to Busan

Cheapest flights from Ontario to Busan
Explore the most affordable flight options available from Ontario to Busan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This oojo deal was found by Cheapflights users on 6/11. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1512:10 amONT - PUS
1 stop26h 50mChina Airlines
Thu 10/2312:15 pmPUS - ONT
1 stop21h 45mChina Airlines
Deal found 6/11$955
This Orbitz deal was found by Cheapflights users on 6/11. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/112:10 amONT - PUS
1 stop19h 05mMultiple Airlines
Sun 10/128:00 pmPUS - ONT
2 stops19h 59mMultiple Airlines
Deal found 6/11$1,292
This oojo deal was found by Cheapflights users on 6/12. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/136:00 amONT - PUS
2 stops24h 10mJapan Airlines
Fri 6/209:20 amPUS - ONT
2 stops24h 44mJapan Airlines
Deal found 6/12$5,495

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
Use the filters below to find and compare flights from Ontario to Busan that are best for you.

Fly from

Ontario

Fly to

Busan

Route

Depart

Return

Price

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

$955

OntarioBusan

ONT - PUS

ONTPUS

Ontario

Wed 10/1

12:10 am-11:15 am

1 stop19h 05m

Busan Gimhae

Sun 10/12

8:00 pm-11:59 pm

2 stops19h 59m

$1,292

OntarioBusan

ONT - PUS

ONTPUS

Ontario

Sun 8/24

12:45 am-7:00 pm

1 stop26h 15m

$579

OntarioBusan

ONT - PUS

ONTPUS

Ontario

Sun 8/24

12:45 am-3:55 pm

2 stops23h 10m

$629

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/9

Best time to book a flight from Ontario to Busan

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

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

Currently, August is the cheapest month in which you can book a flight from Ontario to Busan (average of $1,166). Flying from Ontario to Busan in December is currently the most expensive (average of $2,247). 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.

Rainfall in Busan by month

Plan your trip to Busan by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Busan ranges from 0.9 - 10.2 inches per month. July is typically the wettest month, when rainfall can reach 10.2 in. December is typically the driest time to visit Busan when rainfall is around 0.9 in.

Temperature in Busan by month

Plan your trip to Busan by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Busan, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

Reviews of airlines servicing Busan

Get insights into the airlines that provide service to Busan. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Busan. Reviews last updated June 12, 2025.
China Airlines
8.3
Very good
738 reviews

Food

7.8

Boarding

8.3

Entertainment

8.0

Overall

8.3

Comfort

8.0

Crew

8.5

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver
China Airlines
8.3
Very good
738 reviews
China Airlines
8.3
Very good
738 reviews

Food

7.8

Boarding

8.3

Entertainment

8.0

Overall

8.3

Comfort

8.0

Crew

8.5

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver

Related info for your journey

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

  • What is the cheapest airline to fly from Ontario to Busan round-trip?

    Cheapflights users have booked flights from Ontario to Busan round-trip from $955.

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

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

  • How can I find direct flights from Ontario to Busan?

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

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

    Yes. Cheapflights offers flight deals from Ontario to Busan 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 Busan?

    Currently, August is the cheapest month in which you can book a flight from Ontario to Busan (average of $1,166). Flying from Ontario to Busan in December is currently the most expensive (average of $2,247). 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.

See more FAQs

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Top airline flying from Ontario to Busan

Discover the top airline that operate flights from Ontario to Busan. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
China AirlinesCheapest$1,019Average$1,078FlexibilityNo cancel feeOn-time70%

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