ONT - CJU

$1,443 Find Cheap Flights from Ontario to Jeju City - Compare and Save

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1 adult, Economy, 0 bags

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Cheap Flights from Ontario to Jeju City (ONT-CJU)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Ontario to Jeju City

Mon, Dec 14 - Tue, Dec 22
Multiple Airlines Logo
7:11 am - 7:35 amONT  Ontario-CJU Jeju City
31h 24m2 stops San Francisco Incheon Intl
Multiple Airlines Logo
10:40 pm - 3:55 pmCJU  Jeju City-ONT Ontario
34h 15m1 stop Taipei City Taiwan Taoyuan Intl
$1,443Multiple Airlines
Mon, Dec 14 - Mon, Dec 21
Multiple Airlines Logo
7:11 am - 5:50 pmONT  Ontario-CJU Jeju City
41h 39m2 stops San Francisco Incheon Intl
Multiple Airlines Logo
12:05 pm - 3:55 pmCJU  Jeju City-ONT Ontario
20h 50m1 stop Taipei City Taiwan Taoyuan Intl
$1,466Multiple Airlines
Mon, Dec 14 - Wed, Dec 23
Multiple Airlines Logo
7:11 am - 7:35 amONT  Ontario-CJU Jeju City
31h 24m2 stops San Francisco Incheon Intl
Multiple Airlines Logo
12:05 pm - 3:55 pmCJU  Jeju City-ONT Ontario
20h 50m1 stop Taipei City Taiwan Taoyuan Intl
$1,483Multiple Airlines
Mon, Dec 14 - Tue, Dec 22
Multiple Airlines Logo
9:45 pm - 9:20 amONT  Ontario-CJU Jeju City
18h 35m1 stop Taipei City Taiwan Taoyuan Intl
Multiple Airlines Logo
10:40 pm - 3:55 pmCJU  Jeju City-ONT Ontario
34h 15m1 stop Taipei City Taiwan Taoyuan Intl
$1,729Multiple Airlines
Mon, Dec 14 - Mon, Dec 21
Multiple Airlines Logo
9:45 pm - 9:20 amONT  Ontario-CJU Jeju City
18h 35m1 stop Taipei City Taiwan Taoyuan Intl
Multiple Airlines Logo
11:40 am - 3:55 pmCJU  Jeju City-ONT Ontario
21h 15m1 stop Taipei City Taiwan Taoyuan Intl
$1,741Multiple Airlines
Mon, Dec 14 - Wed, Dec 23
Multiple Airlines Logo
10:50 pm - 5:25 pmONT  Ontario-CJU Jeju City
25h 35m1 stop Taipei City Taiwan Taoyuan Intl
Multiple Airlines Logo
12:05 pm - 3:55 pmCJU  Jeju City-ONT Ontario
20h 50m1 stop Taipei City Taiwan Taoyuan Intl
$1,759Multiple Airlines
Tue, Dec 15 - Mon, Dec 21
Multiple Airlines Logo
10:50 pm - 5:25 pmONT  Ontario-CJU Jeju City
25h 35m1 stop Taipei City Taiwan Taoyuan Intl
Multiple Airlines Logo
12:05 pm - 3:55 pmCJU  Jeju City-ONT Ontario
20h 50m1 stop Taipei City Taiwan Taoyuan Intl
$1,825Multiple Airlines
Tue, Dec 15 - Tue, Dec 22
Multiple Airlines Logo
10:50 pm - 5:25 pmONT  Ontario-CJU Jeju City
25h 35m1 stop Taipei City Taiwan Taoyuan Intl
Multiple Airlines Logo
8:45 am - 5:05 pmCJU  Jeju City-ONT Ontario
25h 20m2 stops Busan Gimhae Taipei City Taiwan Taoyuan Intl
$1,834Multiple Airlines
Tue, Dec 15 - Fri, Dec 25
Multiple Airlines Logo
10:50 pm - 5:25 pmONT  Ontario-CJU Jeju City
25h 35m1 stop Taipei City Taiwan Taoyuan Intl
Multiple Airlines Logo
12:05 pm - 3:55 pmCJU  Jeju City-ONT Ontario
20h 50m1 stop Taipei City Taiwan Taoyuan Intl
$1,841Multiple Airlines
Tue, Dec 15 - Wed, Dec 23
Multiple Airlines Logo
10:50 pm - 5:25 pmONT  Ontario-CJU Jeju City
25h 35m1 stop Taipei City Taiwan Taoyuan Intl
Multiple Airlines Logo
12:45 pm - 9:43 pmCJU  Jeju City-ONT Ontario
25h 58m2 stops Seoul Gimpo Intl Honolulu
$1,890Multiple Airlines
Booking Insights

Price, demand and travel trends for Ontario to Jeju City flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Ontario to Jeju City with more confidence.

What is the cheapest layover airport when flying from Ontario to Jeju City?

Flights via Taipei City Taiwan Taoyuan Intl (TPE) offer the most affordable fares, with an average round-trip price of $1,555. Based on KAYAK data over the past 3 months.

When flying from Ontario to Jeju City which airport offers the shortest layover?

Taipei City Taiwan Taoyuan Intl (TPE) had the shortest average connection time for Ontario to Jeju City layovers at 689 minutes over the past 3 months.

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Key details for Ontario to Jeju City flights

Cheapest flight

$1,443
Flight from Ontario to Jeju City

When to book flights from Ontario to Jeju City

Are your dates flexible? Find out the best times to travel from Ontario to Jeju City based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Ontario to Jeju City flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Which airports can I use when flying from Ontario to Jeju City?

    Flights from Ontario to Jeju City usually depart from Ontario (ONT) and arrive at Jeju City (CJU).

  • Which airports do connecting flights from Ontario to Jeju City pass through?

    Most connecting flights from Ontario to Jeju City pass through Taipei City Taiwan Taoyuan Intl (TPE), which handles 100% of one-stop traffic on this route. Other layover airports each see under 5%.

  • Do I need a passport to fly from Ontario to Jeju City?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • Have flight prices from Ontario to Jeju City changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $1,443 to $2,979. That means the highest observed fare was about 2x higher than the lowest one.

  • What is the time difference between Ontario and Jeju City?

    Jeju City is 16 hours ahead of Ontario (Korean Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available at Jeju City Airport (CJU)?

    Jeju City Airport (CJU) hosts 5 major car rental companies, with daily rates starting from around $5 for economy cars. Top options include:
    · Rainbow rental
    · The Safe Rent A Car
    · Yesaway
    · Jeju One Car
    · Bella Jeju

Your guide to booking Ontario to Jeju City flights

Get tips on when to book, when to fly and what to know before your trip.

Everything you need to know for your flight from Ontario to Jeju City

Information on your arrival and departure airports

Ontario (ONT)
Jeju City (CJU)