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Cheap flights from Seoul to Ontario from $363

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seoul to Ontario departing on 5/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Seoul to Los Angeles

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Seoul to Los Angeles.
United Airlines Logo
4:50 pm - 2:25 pmICN-ONT
13h 35m1 stop
United Airlines Logo
6:39 pm - 4:20 amONT-ICN
17h 41m1 stop
$503United Airlines
Find Deal
Mon, May 12 - Sun, Jul 6
United Airlines Logo
11:30 am - 12:24 pmICN-ONT
16h 54m1 stop
United Airlines Logo
1:42 pm - 4:20 amONT-ICN
22h 38m1 stop
$504United Airlines
Find Deal
Sun, May 18 - Sun, Sep 21
China Airlines Logo
12:35 pm - 6:00 pmICN-ONT
21h 25m1 stop
China Airlines Logo
12:45 am - 7:35 pmONT-ICN
26h 50m1 stop
$827China Airlines
Find Deal
Tue, May 13 - Tue, Aug 5
China Airlines Logo
8:35 pm - 6:40 pmICN-ONT
38h 05m1 stop
China Airlines Logo
12:45 am - 7:35 pmONT-ICN
26h 50m1 stop
$835China Airlines
Find Deal
Wed, Jul 23 - Sat, Aug 2
Alaska Airlines Logo
9:25 pm - 9:55 pmICN-ONT
16h 30m1 stop
Alaska Airlines Logo
8:35 am - 7:00 pmONT-ICN
18h 25m1 stop
$880Alaska Airlines
Find Deal
Mon, Jun 2 - Thu, Sep 4
Alaska Airlines Logo
9:25 pm - 9:55 pmICN-ONT
16h 30m1 stop
Alaska Airlines Logo
8:35 am - 7:00 pmONT-ICN
18h 25m1 stop
$905Alaska Airlines
Find Deal
Mon, Jun 2 - Fri, Aug 29
 Logo
5:45 pm - 10:45 pmICN-ONT
21h 00m2 stops
 Logo
6:41 pm - 4:05 pmONT-ICN
29h 24m2 stops
Sat, May 24 - Tue, Jun 3
 Logo
6:20 pm - 11:59 pmICN-ONT
21h 39m1 stop
 Logo
6:00 am - 5:55 pmONT-ICN
19h 55m1 stop
Thu, Apr 24 - Thu, May 22
Hawaiian Airlines Logo
9:25 pm - 9:50 pmICN-ONT
16h 25m1 stop
Hawaiian Airlines Logo
9:50 am - 7:00 pmONT-ICN
17h 10m1 stop
$1,009Hawaiian Airlines
Find Deal
Fri, Apr 25 - Fri, May 23
Hawaiian Airlines Logo
8:50 pm - 11:59 pmICN-ONT
19h 09m1 stop
Hawaiian Airlines Logo
8:35 am - 7:00 pmONT-ICN
18h 25m1 stop
$1,119Hawaiian Airlines
Find Deal
Mon, Sep 15 - Thu, Sep 25

United Airlines flights from Seoul to Ontario

Our best United Airlines deals on Seoul to Ontario flight tickets
United Airlines
May 12
ICN4:50 pmIncheon Intl
13h 35m
1 stop
ONT2:25 pmOntario
Jul 6
ONT6:39 pmOntario
17h 41m
1 stop
ICN4:20 amIncheon Intl
United Airlines
May 18
ICN11:30 amIncheon Intl
16h 54m
1 stop
ONT12:24 pmOntario
Sep 21
ONT1:42 pmOntario
22h 38m
1 stop
ICN4:20 amIncheon Intl
United Airlines
Apr 14
ICN11:30 amIncheon Intl
15h 35m
1 stop
ONT11:05 amOntario
Apr 18
ONT6:00 amOntario
17h 00m
1 stop
ICN3:00 pmIncheon Intl

China Airlines flights from Seoul to Ontario

Our best China Airlines deals on Seoul to Ontario flight tickets
China Airlines
May 13
ICN12:35 pmIncheon Intl
21h 25m
1 stop
ONT6:00 pmOntario
Aug 5
ONT12:45 amOntario
26h 50m
1 stop
ICN7:35 pmIncheon Intl
China Airlines
Jul 23
ICN8:35 pmIncheon Intl
38h 05m
1 stop
ONT6:40 pmOntario
Aug 2
ONT12:45 amOntario
26h 50m
1 stop
ICN7:35 pmIncheon Intl
China Airlines
May 11
ICN12:35 pmIncheon Intl
21h 25m
1 stop
ONT6:00 pmOntario
Aug 8
ONT12:45 amOntario
26h 50m
1 stop
ICN7:35 pmIncheon Intl

See travel insights to Los Angeles from

How to get the cheapest flight ticket from Seoul to Ontario

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest time of day to depart on your flight to Ontario?

In the morning is the cheapest time of day to fly from Seoul to Ontario when you can find flight prices for as low as $938. Flying to Ontario in the morning is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $938 on average. Flights to Ontario from Seoul in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

When to book flights from Seoul to Ontario

Are you open to changing your travel dates? Check out the ideal times to fly from Seoul to Ontario according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Seoul to Ontario (SEL to ONT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seoul to Ontario

Best Price Found

$363

Fastest flight time

13h 35m

Direct flights

None

Airports in Ontario

1 airport
The best one-way flight to Ontario from Seoul in the past 72 hours is $363. The best round-trip flight deal from Seoul to Ontario found on momondo in the last 72 hours is $503.
The fastest flight from Seoul to Ontario takes 13h 35m
There are no direct flights from Seoul to Ontario. Popular non-direct route for this connection is Incheon Intl Airport - Ontario Airport.
There is 1 airport near Ontario: Ontario (ONT)

  • How far is Seoul to Ontario by plane?

    Seoul and Ontario are 5976.3 mi apart from one another. By plane, this route typically takes 13h 35m.

  • When did momondo last update prices for flights from Seoul to Ontario Airport?

    Prices for flights from Seoul to Ontario Airport refresh daily.

  • How many operators does momondo search for flights from Seoul to Ontario Airport?

  • How old do you have to be to fly from Seoul to Ontario Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seoul to Ontario Airport.

  • What documentation or ID do you need to fly to Ontario Airport?

    The required travel and health documents for your Ontario Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ontario Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.


Best airlines flying from Seoul to Ontario

Compare and see reviews for airlines that fly from Seoul to Ontario with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $596Free CancellationRating
7.4
8,616 reviews
Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Seoul to Ontario?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Seoul to Ontario. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Seoul to Ontario with flexible booking policies on momondo?

Flights from Seoul to Ontario with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Seoul to Ontario?

momondo provides multiple filters to help you find the best flight to Ontario from Seoul. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Seoul to Ontario right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Seoul to Ontario now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Ontario and let you know when they change.


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