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Cheap flights from Ontario to Seoul from $445

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Seoul departing on 5/2. 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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0 bags

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Find the cheapest flights from Ontario to Seoul

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Ontario to Seoul.
China Airlines Logo
12:45 am - 7:35 pmONT-ICN
26h 50m1 stop
China Airlines Logo
12:25 pm - 4:50 pmICN-ONT
21h 25m1 stop
$890China Airlines
Find Deal
Wed, Aug 27 - Mon, Nov 17
China Airlines Logo
12:10 am - 7:35 pmONT-ICN
27h 25m1 stop
China Airlines Logo
8:15 pm - 4:50 pmICN-ONT
37h 35m1 stop
$909China Airlines
Find Deal
Sun, Oct 12 - Sun, Nov 30
China Airlines Logo
12:45 am - 7:35 pmONT-ICN
26h 50m1 stop
China Airlines Logo
8:35 pm - 6:40 pmICN-ONT
38h 05m1 stop
$920China Airlines
Find Deal
Sat, Sep 6 - Sun, Sep 14
 Logo
9:41 pm - 8:30 pmONT-ICN
30h 49m1 stop
 Logo
8:55 pm - 11:39 pmICN-ONT
18h 44m1 stop
$1,001
Find Deal
Thu, May 29 - Fri, Jun 6
Alaska Airlines Logo
7:10 am - 7:00 pmONT-ICN
19h 50m2 stops
Alaska Airlines Logo
9:25 pm - 10:45 amICN-ONT
29h 20m2 stops
$1,110Alaska Airlines
Find Deal
Thu, Aug 28 - Wed, Sep 3
Alaska Airlines Logo
6:58 pm - 7:00 pmONT-ICN
56h 02m2 stops
Alaska Airlines Logo
9:25 pm - 5:10 pmICN-ONT
35h 45m2 stops
$1,134Alaska Airlines
Find Deal
Sun, Aug 17 - Fri, Aug 22
 Logo
12:10 am - 11:30 pmONT-ICN
31h 20m1 stop
 Logo
12:30 am - 6:00 pmICN-ONT
33h 30m1 stop
$1,150
Find Deal
Thu, May 8 - Mon, May 12
WestJet Logo
7:00 am - 6:45 pmONT-ICN
43h 45m2 stops
WestJet Logo
8:45 pm - 5:17 pmICN-ONT
36h 32m2 stops
$1,210WestJet
Find Deal
Thu, Sep 4 - Thu, Sep 11
Korean Air Logo
7:00 am - 4:30 pmONT-ICN
17h 30m1 stop
Korean Air Logo
7:20 pm - 5:17 pmICN-ONT
13h 57m1 stop
$1,371Korean Air
Find Deal
Mon, Oct 6 - Mon, Oct 13
Korean Air Logo
7:00 am - 4:40 pmONT-ICN
17h 40m1 stop
Korean Air Logo
4:40 pm - 5:17 pmICN-ONT
16h 37m1 stop
$1,379Korean Air
Find Deal
Thu, Sep 4 - Thu, Sep 11

China Airlines flights from Ontario to Seoul

Our best China Airlines deals on Ontario to Seoul flight tickets
China Airlines
Aug 27
ONT12:45 amOntario
26h 50m
1 stop
ICN7:35 pmIncheon Intl
Nov 17
ICN12:25 pmIncheon Intl
21h 25m
1 stop
ONT4:50 pmOntario
China Airlines
Oct 12
ONT12:10 amOntario
27h 25m
1 stop
ICN7:35 pmIncheon Intl
Nov 30
ICN8:15 pmIncheon Intl
37h 35m
1 stop
ONT4:50 pmOntario
China Airlines
Sep 6
ONT12:45 amOntario
26h 50m
1 stop
ICN7:35 pmIncheon Intl
Sep 14
ICN8:35 pmIncheon Intl
38h 05m
1 stop
ONT6:40 pmOntario

Alaska Airlines flights from Ontario to Seoul

Our best Alaska Airlines deals on Ontario to Seoul flight tickets
Alaska Airlines
Aug 28
ONT7:10 amOntario
19h 50m
2 stops
ICN7:00 pmIncheon Intl
Sep 3
ICN9:25 pmIncheon Intl
29h 20m
2 stops
ONT10:45 amOntario
Alaska Airlines
Aug 17
ONT6:58 pmOntario
56h 02m
2 stops
ICN7:00 pmIncheon Intl
Aug 22
ICN9:25 pmIncheon Intl
35h 45m
2 stops
ONT5:10 pmOntario
Alaska Airlines
Aug 24
ONT7:10 amOntario
19h 50m
2 stops
ICN7:00 pmIncheon Intl
Aug 31
ICN9:25 pmIncheon Intl
42h 34m
2 stops
ONT11:59 pmOntario

See travel insights to Seoul from

How to get the cheapest flight ticket from Ontario to Seoul

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 day to depart on your flight to Seoul?

According to our data, Monday is the cheapest day to fly to Seoul from Ontario. The lowest ticket price found for a Monday departure recently was $883. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Seoul is Friday, with ticket prices averaging around $1,126.

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

Flying to Seoul from Ontario at noon is the least expensive time of day to depart. momondo users have found prices as low as $896 when looking at flights departing at noon. In the evening is when there is more demand to fly to Seoul, so prices are often more expensive at around $1,050 per ticket.

When to book flights from Ontario to Seoul

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

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

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

Best Price Found

$445

Fastest flight time

15h 55m

Direct flights

None

Airports in Seoul

2 airports
The best one-way flight to Seoul from Ontario in the past 72 hours is $445. The best round-trip flight deal from Ontario to Seoul found on momondo in the last 72 hours is $890.
The fastest flight from Ontario to Seoul takes 15h 55m
There are no direct flights from Ontario to Seoul. Popular non-direct routes for this connection are Ontario Airport - Incheon Intl Airport and Ontario Airport - Seoul Gimpo Intl Airport.
There are 2 airports near Seoul: Incheon Intl (ICN), Seoul Gimpo Intl (GMP)

  • How far is Ontario to Seoul by plane?

    Seoul is 5976.3 mi away from Ontario. By plane, this route typically takes 17h 10m.

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

    Prices for flights from Ontario Airport to Seoul are updated daily.

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ontario Airport to Seoul.

  • What documentation or ID do you need to fly to Seoul?

    The necessary travel and health documents for your Seoul trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Ontario to Seoul?


Best airlines flying from Ontario to Seoul

Compare and see reviews for airlines that fly from Ontario to Seoul with momondo
Airline
Rating
Free Cancellation
Price
China AirlinesPriceFrom $961Free CancellationRating
8.3
727 reviews
Search China Airlines flights
Korean AirPriceFrom $1,111Free CancellationRating
8.4
1,062 reviews
Search Korean Air flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Ontario to Seoul for you.

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

momondo does allow users to show only those flights to Seoul from Ontario which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search for Ontario to Seoul flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Of course. momondo tracks the price of Ontario to Seoul flights. All you need is a valid email address and we will do the rest; it is that quick and easy.


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Mon 4/28
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Find better results for your trip to South Korea

Fly into one of these airports located in Seoul

Airports listed have a maximum distance of 30.3 mi from Seoul