$595+ Cheap flights from Busan (PUS) to Ontario (ONT)
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 11/18. Fares are subject to change and may not be available on all flights or dates of travel.
PUS — ONT
Oct 13 — Oct 201
Round-trip
1 adult, Economy
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Find cheap flights from Busan to Ontario with Cheapflights
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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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Busan to Ontario
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Best
Last-minute
One-way
Cheapest flights from Busan to OntarioExplore the most affordable flight options available from Busan to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 13, 2026.
Explore the most affordable flight options available from Busan to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 13, 2026.
This flugladen.de deal was found by Cheapflights users on 9/11. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1410:30 am -
1 stop24h 10m
Sat 9/2612:10 am -
1 stop19h 05m
Deal found 9/11![China Airlines logo]()
$1,106
This China Airlines deal was found by Cheapflights users on 9/8. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1710:30 am -
1 stop23h 30m
Sat 9/1912:10 am -
1 stop19h 05m
Deal found 9/8![China Airlines logo]()
$1,220
This Gotogate deal was found by Cheapflights users on 9/11. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1412:30 pm -
1 stop20h 35m
Sat 9/2611:30 pm -
1 stop20h 00m
Deal found 9/11![STARLUX Airlines logo]()
$1,231
This STARLUX Airlines deal was found by Cheapflights users on 9/11. 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 STARLUX Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2612:30 pm -
1 stop20h 25m
Mon 11/29:45 pm -
1 stop20h 45m
Deal found 9/11![STARLUX Airlines logo]()
$1,243
This WhyPayMore deal was found by Cheapflights users on 9/8. 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 WhyPayMore is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2612:30 pm -
1 stop20h 25m
Thu 10/2911:50 pm -
1 stop19h 00m
Deal found 9/8![Multiple Airlines logo]()
$1,310
Best flights from Busan to OntarioDiscover carefully curated flight deals from Busan to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 13, 2026.
Discover carefully curated flight deals from Busan to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 13, 2026.
This STARLUX Airlines deal was found by Cheapflights users on 9/11. 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 STARLUX Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2612:30 pm -
1 stop20h 25m
Mon 11/29:45 pm -
1 stop20h 45m
Deal found 9/11![STARLUX Airlines logo]()
$1,243
This WhyPayMore deal was found by Cheapflights users on 9/8. 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 WhyPayMore is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2612:30 pm -
1 stop20h 25m
Thu 10/2911:50 pm -
1 stop19h 00m
Deal found 9/8![Multiple Airlines logo]()
$1,310
Last-minute flights from Busan to OntarioDiscover last-minute flight deals from Busan to Ontario. Data last updated September 13, 2026 and is based on user searches.
Discover last-minute flight deals from Busan to Ontario. Data last updated September 13, 2026 and is based on user searches.
This flugladen.de deal was found by Cheapflights users on 9/11. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1410:30 am -
1 stop24h 10m
Sat 9/2612:10 am -
1 stop19h 05m
Deal found 9/11![China Airlines logo]()
$1,106
This Gotogate deal was found by Cheapflights users on 9/11. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1412:30 pm -
1 stop20h 35m
Sat 9/2611:30 pm -
1 stop20h 00m
Deal found 9/11![STARLUX Airlines logo]()
$1,231
This China Airlines deal was found by Cheapflights users on 9/8. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1710:30 am -
1 stop23h 30m
Sat 9/1912:10 am -
1 stop19h 05m
Deal found 9/8![China Airlines logo]()
$1,220
This STARLUX Airlines deal was found by Cheapflights users on 9/11. 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 STARLUX Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2612:30 pm -
1 stop20h 25m
Mon 11/29:45 pm -
1 stop20h 45m
Deal found 9/11![STARLUX Airlines logo]()
$1,243
This WhyPayMore deal was found by Cheapflights users on 9/8. 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 WhyPayMore is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2612:30 pm -
1 stop20h 25m
Thu 10/2911:50 pm -
1 stop19h 00m
Deal found 9/8![Multiple Airlines logo]()
$1,310
One-way flights from Busan to OntarioSearch for one-way flight options from Busan to Ontario. Find affordable one-way fares based on user searches. Data last updated September 13, 2026.
Search for one-way flight options from Busan to Ontario. Find affordable one-way fares based on user searches. Data last updated September 13, 2026.
This SmartFares deal was found by Cheapflights users on 9/8. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1810:10 am -
1 stop23h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![China Airlines logo]()
$595
This Delta deal was found by Cheapflights users on 9/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/218:45 am -
2 stops24h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Delta logo]()
$701
This China Airlines deal was found by Cheapflights users on 9/11. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2110:30 am -
1 stop23h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![China Airlines logo]()
$744
This SmartFares deal was found by Cheapflights users on 9/10. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2911:50 am -
1 stop22h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![China Airlines logo]()
$2,243
This Arangrant deal was found by Cheapflights users on 9/12. 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 Arangrant is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1611:50 am -
1 stop22h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![China Airlines logo]()
$2,252
This China Airlines deal was found by Cheapflights users on 9/12. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/1411:50 am -
1 stop22h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![China Airlines logo]()
$2,322
This BusinessClass deal was found by Cheapflights users on 9/12. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/1512:30 pm -
1 stop20h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![STARLUX Airlines logo]()
$2,325
This Korean Air deal was found by Cheapflights users on 9/12. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/1412:15 pm -
2 stops22h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Korean Air logo]()
$2,698
This Korean Air deal was found by Cheapflights users on 9/12. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/128:45 am -
2 stops24h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Korean Air logo]()
$2,832
This China Airlines deal was found by Cheapflights users on 9/12. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/1211:50 am -
1 stop22h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![China Airlines logo]()
$3,096
Find flight deals from Busan to Ontario
Discover tips and strategies to find the most affordable flight options for your journey from Busan (PUS) to Ontario (ONT). 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 September 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,243 (STARLUX Airlines) |
One-way from | $595 (SmartFares) |
Popular in | July |
Cheapest in | November |
Average price | $1,259 |
Cheapflights Fare Finder
Customize your flight search to find flights from Busan to Ontario 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 7,457,451 searches. Data last updated September 13, 2026.
Use the filters below to find and compare flights from Busan to Ontario that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BusanOntario
PUS Busan Gimhae - ONT Ontario
PUSONT
Busan Gimhae
Wed 11/18
10:10 am-5:05 pm
1 stop23h 55m
Ontario
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$595
BusanOntario
PUS Busan Gimhae - ONT Ontario
PUSONT
Busan Gimhae
Mon 9/21
8:45 am-5:19 pm
2 stops24h 34m
Ontario
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$701
BusanOntario
PUS Busan Gimhae - ONT Ontario
PUSONT
Busan Gimhae
Mon 9/21
10:30 am-6:00 pm
1 stop23h 30m
Ontario
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$744
BusanOntario
PUS Busan Gimhae - ONT Ontario
PUSONT
Busan Gimhae
Mon 10/26
12:30 pm-4:55 pm
1 stop20h 25m
Ontario
Mon 11/2
9:45 pm-11:30 am
1 stop20h 45m
$1,243
BusanOntario
PUS Busan Gimhae - ONT Ontario
PUSONT
Busan Gimhae
Mon 10/26
12:30 pm-4:55 pm
1 stop20h 25m
Ontario
Thu 10/29
11:50 pm-10:50 am
1 stop19h 00m
$1,310
BusanOntario
PUS Busan Gimhae - ONT Ontario
PUSONT
Busan Gimhae
Thu 10/29
11:50 am-6:05 pm
1 stop22h 15m
Ontario
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$2,243
BusanOntario
PUS Busan Gimhae - ONT Ontario
PUSONT
Busan Gimhae
Fri 12/18
9:45 am-5:15 pm
2 stops24h 30m
Ontario
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$2,698
Quickest round-trip
BusanOntario
PUS Busan Gimhae - ONT Ontario
PUSONT
Busan Gimhae
Sun 12/13
4:10 pm-5:15 pm
2 stops18h 05m
Ontario
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$2,832
BusanOntario
PUS Busan Gimhae - ONT Ontario
PUSONT
Busan Gimhae
Thu 12/17
11:50 am-5:05 pm
1 stop22h 15m
Ontario
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$3,096
BusanOntario
PUS Busan Gimhae - ONT Ontario
PUSONT
Busan Gimhae
Sun 12/13
11:50 am-5:05 pm
1 stop22h 15m
Ontario
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$3,096
Showing 1-10 of 11 resultsSorted by cheapest first
Best time to book a flight from Busan to Ontario
Have a flexible travel schedule? Discover the best time to fly to Ontario from Busan with our price prediction graph.
PUS-ONT
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.
Related info for your journey
Find useful and relevant information for your journey from Busan to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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