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Cheap flights from Ontario (ONT) to Jeju City (CJU) from $1,856

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 9/1. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
ONT — CJU
May 15 — May 221
From?
To?
Wed 5/15
Wed 5/22
1 adult, Economy
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What is the cheapest month to fly from Ontario to Jeju City?

December is one of the best times of the year to fly to Jeju City from Ontario. Prices for December average $1,758 per person but you can even find prices for as low as $1,274. The most expensive prices can be found in the month of October. Opting for a December flight can save you 29% on your journey compared to booking in October

When is the cheapest time to fly from Ontario to Jeju City (ONT - CJU)?

When flying from Ontario to Jeju City, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Cheap Korean Air flights from Ontario to Jeju City

Explore cheap flight options specifically provided by Korean Air for the route between Ontario and Jeju City. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,717,708 searches. Data last updated May 10, 2024.
Sat 7/67:00 amONT - CJU
2 stops22h 40mKorean Air
Sat 7/1312:25 pmCJU - ONT
2 stops19h 57mKorean Air
Deal found 5/9$3,117
Sat 7/67:00 amONT - CJU
2 stops22h 40mKorean Air
Fri 7/1212:25 pmCJU - ONT
2 stops21h 50mKorean Air
Deal found 5/9$3,267
Fri 7/57:00 amONT - CJU
2 stops21h 30mKorean Air
Sat 7/1312:25 pmCJU - ONT
2 stops19h 57mKorean Air
Deal found 5/9$3,492

Ontario to Jeju City 2024 flight deals

Discover exclusive flight deals for travel between Ontario and Jeju City in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,717,708 searches. Data last updated May 10, 2024.
Sun 9/17:40 amONT - CJU
2 stops20h 35mMultiple Airlines
Sun 9/86:30 amCJU - ONT
2 stops19h 37mMultiple Airlines
Deal found 5/9$1,856
Wed 7/36:10 amONT - CJU
2 stops22h 15mMultiple Airlines
Wed 7/1012:35 pmCJU - ONT
2 stops21h 18mMultiple Airlines
Deal found 5/9$2,126
Fri 7/56:35 pmONT - CJU
2 stops22h 00mMultiple Airlines
Thu 7/1112:35 pmCJU - ONT
2 stops21h 18mMultiple Airlines
Deal found 5/9$2,270
Thu 7/46:10 amONT - CJU
2 stops22h 05mMultiple Airlines
Thu 7/1112:35 pmCJU - ONT
2 stops21h 18mMultiple Airlines
Deal found 5/9$2,455
Sat 7/67:00 amONT - CJU
2 stops22h 40mKorean Air
Sat 7/1312:25 pmCJU - ONT
2 stops19h 57mKorean Air
Deal found 5/9$3,117
Sat 7/67:00 amONT - CJU
2 stops22h 40mKorean Air
Fri 7/1212:25 pmCJU - ONT
2 stops21h 50mKorean Air
Deal found 5/9$3,267
Fri 7/57:00 amONT - CJU
2 stops21h 30mKorean Air
Sat 7/1312:25 pmCJU - ONT
2 stops19h 57mKorean Air
Deal found 5/9$3,492
Fri 7/512:45 amONT - CJU
2 stops21h 45mMultiple Airlines
Sat 7/138:30 amCJU - ONT
2 stops26h 10mMultiple Airlines
Deal found 5/9$5,951

Find flights from Ontario to Jeju City within your budget

Customize your flight search to find flights from Ontario to Jeju City 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 2,717,708 searches. Data last updated May 10, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$1,856 - $5,951

Route

Depart

Return

Price

OntarioJeju City

ONT - CJU

ONTCJU

Ontario

Sun 9/1

2 stops20h 35m

Jeju City

Sun 9/8

2 stops19h 37m

$1,856

OntarioJeju City

ONT - CJU

ONTCJU

Ontario

Wed 7/3

2 stops22h 15m

Jeju City

Wed 7/10

2 stops21h 18m

$2,126

OntarioJeju City

ONT - CJU

ONTCJU

Ontario

Fri 7/5

2 stops22h 00m

Jeju City

Thu 7/11

2 stops21h 18m

$2,270

OntarioJeju City

ONT - CJU

ONTCJU

Ontario

Thu 7/4

2 stops22h 05m

Jeju City

Thu 7/11

2 stops21h 18m

$2,455

OntarioJeju City

ONT - CJU

ONTCJU

Ontario

Sat 7/6

2 stops22h 40m

Jeju City

Sat 7/13

2 stops19h 57m

$3,117

OntarioJeju City

ONT - CJU

ONTCJU

Ontario

Sat 7/6

2 stops22h 40m

Jeju City

Fri 7/12

2 stops21h 50m

$3,267

OntarioJeju City

ONT - CJU

ONTCJU

Ontario

Fri 7/5

2 stops21h 30m

Jeju City

Sat 7/13

2 stops19h 57m

$3,492

OntarioJeju City

ONT - CJU

ONTCJU

Ontario

Fri 7/5

2 stops21h 45m

Jeju City

Sat 7/13

2 stops26h 10m

$5,951

Flights are sorted by cheapest first

Deals found on 5/9

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Jeju City

Get insights into the airlines that provide service to Jeju City. 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 Jeju City. Reviews last updated May 10, 2024.
Korean Air
8.5
Very good
1,181 reviews
Check prices

Food

8.2

Comfort

8.3

Overall

8.5

Crew

8.8

Boarding

8.6

Entertainment

8.2

Reviews

1 / 10

flight with Delta Airbus is safe, on time and friendly. If the food can have more choices like instant noodles, sandwich other than pizza would be better. Pizza is too salty.

Korean Air
8.5
Very good
1,181 reviews
Korean Air
8.5
Very good
1,181 reviews
Check prices

Food

8.2

Comfort

8.3

Overall

8.5

Crew

8.8

Boarding

8.6

Entertainment

8.2

Reviews

1 / 10

flight with Delta Airbus is safe, on time and friendly. If the food can have more choices like instant noodles, sandwich other than pizza would be better. Pizza is too salty.

Related info for your journey

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

  • Can I find flights from Ontario to Jeju City for under $1,900 on Cheapflights?

    Yes, there are multiple flights from Ontario to Jeju City for under $1,900. The cheapest flight booked recently is on Multiple Airlines for just $1,856, but on average you can expect to pay $3,066.

  • What does ONT to CJU mean?

    ONT and CJU are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. ONT to CJU refers to a flight route from Ontario Airport to Jeju City Airport.

  • Can I find deals for flights from Ontario to Jeju City that include extra baggage allowance?

    The amount of baggage you can bring on your Ontario to Jeju City flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Ontario to Jeju City with specific airlines?

    Yes, Cheapflights allows you to browse and filter Ontario to Jeju City flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

  • How can I find direct flights from Ontario to Jeju City?

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

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

    Yes. Cheapflights offers flight deals from Ontario to Jeju City by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Ontario to Jeju City that allow pets onboard?

    Many airlines flying from Ontario to Jeju City offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Ontario to Jeju City?

    Yes, you can often find last-minute deals on Ontario to Jeju City flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Ontario to Jeju City flight deals updated?

    The Ontario to Jeju City flight deals you see on this page were last updated on 5/9.

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Search flights from Ontario to Jeju City by cabin class

Find flights from Ontario to Jeju City, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Ontario to Jeju City?

Cheapflights helps you search for flights from Ontario to Jeju City via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Ontario to Jeju City?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Jeju City from Ontario.

Can Cheapflights find flights from Ontario to Jeju City with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Ontario to Jeju City flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Ontario to Jeju City become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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