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Flights from Cheongju to Ontario
Flight deals from Cheongju to Ontario
Find the cheapest flight options from Cheongju to Ontario over the next three months. Book one-way tickets from MXN$10,275 and round-trip tickets from MXN$18,665.
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CJJ 16:1017h 40m1 stopONT 16:50Cheongju - Ontario | Wed, Dec 17 | Aero K Airlines
ONT 22:4030h 30m1 stopCJJ 22:10Ontario - Cheongju | Wed, Dec 24 | China AirlinesMXN$18,665 MXN$24,81325% OFF25% OFFMXN$24,813 MXN$18,665 -
CJJ 16:1017h 40m1 stopONT 16:50Cheongju - Ontario | Fri, Dec 19 | Aero K Airlines
ONT 22:4030h 30m1 stopCJJ 22:10Ontario - Cheongju | Sat, Dec 27 | China AirlinesMXN$19,360 MXN$24,81322% OFF22% OFFMXN$24,813 MXN$19,360 -
CJJ 16:1017h 40m1 stopONT 16:50Cheongju - Ontario | Thu, Dec 25 | Aero K Airlines
ONT 22:5030h 20m1 stopCJJ 22:10Ontario - Cheongju | Mon, Dec 29 | China AirlinesMXN$19,473 MXN$24,81322% OFF22% OFFMXN$24,813 MXN$19,473 -
CJJ 08:4525h 5m1 stopONT 16:50Cheongju - Ontario | Fri, Dec 26 | Aero K Airlines
ONT 22:5023h 10m1 stopCJJ 15:00Ontario - Cheongju | Sat, Jan 3 | China AirlinesMXN$19,91020% OFFMXN$24,813 MXN$19,910 -
CJJ 16:1017h 40m1 stopONT 16:50Cheongju - Ontario | Wed, Dec 24 | Aero K Airlines
ONT 22:5030h 20m1 stopCJJ 22:10Ontario - Cheongju | Sun, Dec 28 | China AirlinesMXN$20,29118% OFFMXN$24,813 MXN$20,291 -
CJJ 08:4525h 5m1 stopONT 16:50Cheongju - Ontario | Sat, Dec 27 | Aero K Airlines
ONT 22:5023h 10m1 stopCJJ 15:00Ontario - Cheongju | Sat, Jan 3 | China AirlinesMXN$20,42518% OFFMXN$24,813 MXN$20,425 -
CJJ 16:1017h 40m1 stopONT 16:50Cheongju - Ontario | Tue, Dec 23 | Aero K Airlines
ONT 22:5030h 20m1 stopCJJ 22:10Ontario - Cheongju | Sun, Dec 28 | China AirlinesMXN$20,60817% OFFMXN$24,813 MXN$20,608 -
CJJ 08:4525h 5m1 stopONT 16:50Cheongju - Ontario | Thu, Dec 18 | Aero K Airlines
ONT 22:4023h 20m1 stopCJJ 15:00Ontario - Cheongju | Wed, Dec 24 | China AirlinesMXN$20,83416% OFFMXN$24,813 MXN$20,834 -
CJJ 16:1017h 40m1 stopONT 16:50Cheongju - Ontario | Sat, Dec 20 | Aero K Airlines
ONT 22:4030h 30m1 stopCJJ 22:10Ontario - Cheongju | Wed, Dec 24 | China AirlinesMXN$21,96611% OFFMXN$24,813 MXN$21,966 -
CJJ 08:4525h 5m1 stopONT 16:50Cheongju - Ontario | Mon, Dec 15 | Aero K Airlines
ONT 22:4023h 20m1 stopCJJ 15:00Ontario - Cheongju | Mon, Dec 22 | China AirlinesMXN$22,33210% OFFMXN$24,813 MXN$22,332 -
CJJ 13:0017h 25m1 stopONT Invalid DateCheongju - Ontario | Sat, Dec 13 | Normal Airline
ONT 15:006hDirectCJJ 16:00Ontario - Cheongju | Mon, Dec 15 | Normal AirlineFind More FlightsFind More Flights
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CJJ 16:1017h 40m1 stopONT 16:50Cheongju - Ontario | Tue, Dec 16 | Aero K AirlinesMXN$10,275 MXN$13,28323% OFF23% OFFMXN$13,283 MXN$10,275 -
CJJ 23:4534h 5m1 stopONT 16:50Cheongju - Ontario | Sun, Dec 14 | Eastar JetMXN$10,606 MXN$13,28320% OFF20% OFFMXN$13,283 MXN$10,606 -
CJJ 16:1017h 40m1 stopONT 16:50Cheongju - Ontario | Tue, Feb 3 | Aero K AirlinesMXN$11,206 MXN$13,28316% OFF16% OFFMXN$13,283 MXN$11,206 -
CJJ 23:4534h 5m1 stopONT 16:50Cheongju - Ontario | Wed, Jan 21 | Eastar JetMXN$11,30915% OFFMXN$13,283 MXN$11,309 -
CJJ 23:4534h 5m1 stopONT 16:50Cheongju - Ontario | Wed, Jan 28 | Eastar JetMXN$11,40114% OFFMXN$13,283 MXN$11,401 -
CJJ 23:4534h 5m1 stopONT 16:50Cheongju - Ontario | Tue, Feb 3 | Eastar JetMXN$11,54013% OFFMXN$13,283 MXN$11,540 -
CJJ 16:1017h 40m1 stopONT 16:50Cheongju - Ontario | Wed, Jan 28 | Aero K AirlinesMXN$11,58213% OFFMXN$13,283 MXN$11,582 -
CJJ 16:1017h 40m1 stopONT 16:50Cheongju - Ontario | Wed, Feb 4 | Aero K AirlinesMXN$11,72812% OFFMXN$13,283 MXN$11,728 -
CJJ 23:4534h 5m1 stopONT 16:50Cheongju - Ontario | Sat, Jan 24 | Eastar JetMXN$11,91610% OFFMXN$13,283 MXN$11,916 -
CJJ 16:1017h 40m1 stopONT 16:50Cheongju - Ontario | Wed, Jan 21 | Aero K AirlinesMXN$11,95510% OFFMXN$13,283 MXN$11,955 -
CJJ 13:0017h 25m1 stopONT Invalid DateCheongju - Ontario | Sat, Dec 13 | Normal AirlineFind More FlightsFind More Flights
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Displayed flight fares from Cheongju to Ontario are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.
Flight Information for Cheongju to Ontario Flights
The distance between Cheongju and Ontario is 9,651.87km.
| Cheapest one-way flight price | MXN$10,275 |
|---|---|
| Cheapest return ticket price | MXN$18,665 |
| Flight distance | 9,651.87km |
When is the cheapest time to fly from Cheongju to Ontario?
The cheapest time for Cheongju to Ontario flights: Jan 11 to Jan 18 — one way flight prices from MXN$8,506.
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Displayed fare trends are based on Trip.com's aggregated average of the lowest flight prices from Cheongju to Ontario, calculated over the upcoming 10 weeks.
Flight FAQs
Which airlines offer the cheapest flights from Cheongju (CJJ) to Ontario (ONT)?
Based on Trip.com data, Aero K Airlines offers one-way fares as low as MXN$10,275 on Cheapest nonstop routes (e.g. CJJ to ONT on Tue, Dec 16), while Aero K Airlines offers Cheapest nonstop round-trips from MXN$18,665 departing on Wed, Dec 17 and returning on Wed, Dec 24.When is the best time to book flights from Cheongju to Ontario?
By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Cheongju to Ontario is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.How can I find the best deals on flights from Cheongju to Ontario?
To find best deals on flights from Cheongju to Ontario, you can use various tools on Trip.com:
· Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Tue, Dec 16, with one-way flights priced at just MXN$10,275.
· Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Aero K Airlines.
· Set up price alerts to easily monitor ticket prices without having to check every day.
· Check Trip.com flight deals and promo codes frequently.
· Get exclusive promo codes for Trip.com app users.Which upcoming date is the cheapest for flights from Cheongju to Ontario?
After crunching the numbers on our December flight calendar, it's currently cheapest to fly from Cheongju to Ontario on December 17, 2025 with Aero K Airlines, with prices starting at MXN$18,664.What is the time difference between Cheongju and Ontario?
The time difference between Ontario and Cheongju is 17h.How can I change or cancel my flight ticket from Cheongju to Ontario?
Tickets can only be changed or cancelled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.