Cheap flights from Ontario (ONT) to Seoul (SEL)

ONT — SEL
Dec 5 — Dec 121

How far in advance should I book a flight from Ontario to Seoul?

To save on the cost of your flight from Ontario to Seoul, book at least 40 days before your planned departure. Booking around this time can save you about 19% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $1,547 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $1,652.

What is the cheapest month to fly from Ontario to Seoul?

Due to multiple factors, expect to potentially pay more when booking in June. For low rates, January can be a great choice for travel to Seoul. Flights to Seoul from Ontario in January are about $1,272 on average during January, but can be found for as low as $741.

When is the cheapest time to fly from Ontario to Seoul (ONT - SEL)?

Unlike at noon, when flights are generally more expensive, you can save up to 6% on flights from Ontario to Seoul by exploring options for tickets in the morning.

Cheap flights from Ontario to Seoul in November, December 2022

The best prices found for ONT to SEL flights for November, December
Dec 4 - Dec 9
ONT

Ontario

ICN

Incheon Intl

1 stop

19h 00m
ICN

Incheon Intl

ONT

Ontario

1 stop

15h 30m
$1,005

Hawaiian Airlines

Pick Dates

Deal found 11/30

Dec 4 - Dec 14
ONT

Ontario

ICN

Incheon Intl

1 stop

19h 00m
ICN

Incheon Intl

ONT

Ontario

1 stop

15h 30m
$1,033

Hawaiian Airlines

Pick Dates

Deal found 11/28

Dec 2 - Dec 9
ONT

Ontario

ICN

Incheon Intl

1 stop

19h 00m
ICN

Incheon Intl

ONT

Ontario

1 stop

15h 30m
$1,049

Hawaiian Airlines

Pick Dates

Deal found 11/28

Ontario to Seoul 2022 flight deals

Cheap flights to Seoul from Ontario found for this year
Dec 4 - Dec 9
ONT

Ontario

ICN

Incheon Intl

1 stop

19h 00m
ICN

Incheon Intl

ONT

Ontario

1 stop

15h 30m
$1,005

Hawaiian Airlines

Pick Dates

Deal found 11/30

Dec 4 - Dec 14
ONT

Ontario

ICN

Incheon Intl

1 stop

19h 00m
ICN

Incheon Intl

ONT

Ontario

1 stop

15h 30m
$1,033

Hawaiian Airlines

Pick Dates

Deal found 11/28

Dec 2 - Dec 9
ONT

Ontario

ICN

Incheon Intl

1 stop

19h 00m
ICN

Incheon Intl

ONT

Ontario

1 stop

15h 30m
$1,049

Hawaiian Airlines

Pick Dates

Deal found 11/28

Cheap Hawaiian Airlines flights from Ontario to Seoul

Feb 9 - Feb 15
ONT

Ontario

ICN

Incheon Intl

1 stop

18h 45m
ICN

Incheon Intl

ONT

Ontario

1 stop

15h 30m
$1,005

Hawaiian Airlines

Pick Dates

Deal found 11/29

Jan 22 - Feb 8
ONT

Ontario

ICN

Incheon Intl

1 stop

18h 50m
ICN

Incheon Intl

ONT

Ontario

1 stop

15h 30m
$1,033

Hawaiian Airlines

Pick Dates

Deal found 11/28

Apr 24 - May 12
ONT

Ontario

ICN

Incheon Intl

1 stop

41h 00m
ICN

Incheon Intl

ONT

Ontario

1 stop

16h 45m
$1,047

Hawaiian Airlines

Pick Dates

Deal found 11/29

Cheap China Airlines flights from Ontario to Seoul

Apr 10 - Apr 18
ONT

Ontario

ICN

Incheon Intl

1 stop

19h 00m
ICN

Incheon Intl

ONT

Ontario

1 stop

21h 30m
$1,096

China Airlines

Pick Dates

Deal found 11/29

Mar 26 - Apr 13
ONT

Ontario

ICN

Incheon Intl

1 stop

19h 00m
ICN

Incheon Intl

ONT

Ontario

1 stop

21h 30m
$1,117

China Airlines

Pick Dates

Deal found 11/28

Mar 20 - Mar 27
ONT

Ontario

ICN

Incheon Intl

1 stop

19h 25m
ICN

Incheon Intl

ONT

Ontario

1 stop

37h 20m
$1,127

China Airlines

Pick Dates

Deal found 11/29

Last minute flights from Ontario to Seoul

Late deals on return flights to Seoul from Ontario, departing today and this week
Dec 6 - Dec 7
ONT

Ontario

ICN

Incheon Intl

1 stop

19h 00m
ICN

Incheon Intl

ONT

Ontario

1 stop

15h 30m
$1,105

Hawaiian Airlines

Pick Dates

Deal found 11/29

Dec 8 - Mar 3
ONT

Ontario

ICN

Incheon Intl

1 stop

19h 00m
ICN

Incheon Intl

ONT

Ontario

1 stop

15h 45m
$1,358

Hawaiian Airlines

Pick Dates

Deal found 11/29

Dec 10 - Dec 30
ONT

Ontario

ICN

Incheon Intl

1 stop

19h 00m
ICN

Incheon Intl

ONT

Ontario

1 stop

15h 30m
$1,408

Hawaiian Airlines

Pick Dates

Deal found 11/29

One-way flights to Seoul from Ontario

The cheapest one-way flights from Ontario to Seoul
Mar 28
ONT

Ontario

ICN

Incheon Intl

1 stop

19h 00m
$697

China Airlines

Pick Dates

Deal found 11/27

Apr 11
ONT

Ontario

GMP

Seoul Gimpo Intl

1 stop

20h 35m
$710

China Airlines

Pick Dates

Deal found 11/28

Mar 20
ONT

Ontario

ICN

Incheon Intl

1 stop

19h 25m
$720

China Airlines

Pick Dates

Deal found 11/29

Related info for your journey

Useful info, stats and facts about Ontario to Seoul flights.

Which airlines flying from Ontario to Seoul have flexible cancellations due to COVID-19?

Some of our airline partners flying from Ontario to Seoul have new flexible policies in place due to COVID-19. Hawaiian Airlines and United Airlines are some of the carriers where you may find flexible cancellation policies. You can use our site to filter for airlines like Hawaiian Airlines with this kind of flexibility.

Can I find flights from Ontario to Seoul for under $1,100 on Cheapflights?

Yes, there are multiple flights from Ontario to Seoul for under $1,100. The cheapest flight booked recently is on Hawaiian Airlines for just $1,005, but on average you can expect to pay $1,096.

Are there last-minute flights available from Ontario to Seoul for under $1,200?

There are currently 20+ open flights from Ontario to Seoul within the next 7 days for less than $1,200.

How popular is this Ontario to Seoul flight route?

This flight path from Ontario to Seoul was viewed by 22 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

What are the cheapest airlines to fly from Ontario to Seoul one-way?

The cheapest airlines for a one-way flight from Ontario to Seoul are China Airlines ($697), Japan Airlines ($759), and Hawaiian Airlines ($772).

What are the most popular airlines that fly from Ontario to Seoul?

Before booking your flight from Ontario to Seoul check out the most popular airlines for this route: China Airlines, Hawaiian Airlines or United Airlines.

What are the cheapest flights from Ontario to Seoul?

On average you can expect to pay $2,499 for a flight from Ontario to Seoul. The cheapest flight overall is $874 while the most popular route, (Ontario - Incheon Intl) is currently priced at $1,005.

Alternative routes for Ontario to Seoul

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Ontario to Seoul

The chart below displays the airlines Cheapflights users traveling from Ontario to Seoul choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
Hawaiian AirlinesCheapest$853Average$1,178FlexibilityNo cancel feeOn-time85%COVID-19 safety
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