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Jeju City

Cheap flights from Ontario (ONT) to Jeju City (CJU)

ONT — CJU
Apr 30 — May 71
Wed 4/30
Wed 5/7
1 adult, Economy
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Cheap flight deals from Ontario to Jeju City

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Jeju City (CJU). 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 April 25, 2025.

Most accurate provider

Expedia
1 star

Most trusted provider

Expedia
3 stars

Popular in

December

Cheapest in

August

Average price

$1,046
Provider with most accurate pricing for Ontario-Jeju City flight deals.
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Provider most trusted by Cheapflights users for Ontario-Jeju City flights.
Search Deals
Highest demand for flights based on searches. 24% potential increase in price ($460 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($105 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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  • Most accurate provider: When it comes to deals on Ontario-Jeju City flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on Ontario-Jeju City flight deals on Cheapflights vs. Expedia <90% of the time. Price accuracy is based on data collected from Ontario-Jeju City flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ontario-Jeju City flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Jeju City flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Ontario to Jeju City

Have a flexible travel schedule? Discover the best time to fly to Jeju City 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.

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 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.

Traveling to a place near Ontario?

Book flights to Ontario if you plan to visit one of these locations
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