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

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How to find the cheapest flight from
Ontario (ONT) to Seoul (SEL)

All the information you need to plan the best ONT to SEL flight in 2021: compare Ontario to Seoul flight prices with the expected peak season, weather and rainfall in Seoul.
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 11% on flights from Ontario to Seoul by exploring options for tickets in the morning.

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 61 days before your planned departure. Booking around this time can save you about 85% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $936 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $1,038.

What is the cheapest day to fly round-trip from Ontario to Seoul?

Wednesday flights are generally found to be more expensive for flights from Ontario to Seoul. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Seoul.

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

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, April can be a great choice for travel to Seoul. Flights to Seoul from Ontario in April are about $717 on average during April, but can be found for as low as $413.

Cheap flights from Ontario to Seoul in December, January 2022

The best prices found for ONT to SEL flights for December, January
16 Jan - 20 Jan
$1,014pp
ONT
Ontario
Delta
 
1 STOP
ICN
Incheon Intl
ICN
Incheon Intl
Delta
 
1 STOP
ONT
Ontario
16 Jan - 20 Jan
$1,019pp
ONT
Ontario
Delta
 
1 STOP
ICN
Incheon Intl
ICN
Incheon Intl
Delta
   
2 STOPS
ONT
Ontario
15 Jan - 20 Jan
$1,022pp
ONT
Ontario
Delta
 
1 STOP
ICN
Incheon Intl
ICN
Incheon Intl
Delta
 
1 STOP
ONT
Ontario

Ontario to Seoul 2022 flight deals

Cheap flights to Seoul from Ontario found for this year
5 Dec - 12 Dec
$1,041pp
ONT
Ontario
United Airlines
   
2 STOPS
ICN
Incheon Intl
ICN
Incheon Intl
United Airlines
   
2 STOPS
ONT
Ontario
12 Dec - 19 Jan
$1,053pp
ONT
Ontario
United Airlines
 
1 STOP
ICN
Incheon Intl
ICN
Incheon Intl
United Airlines
 
1 STOP
ONT
Ontario
12 Dec - 30 Jan
$1,058pp
ONT
Ontario
United Airlines
 
1 STOP
ICN
Incheon Intl
ICN
Incheon Intl
United Airlines
   
2 STOPS
ONT
Ontario

Last minute flights from Ontario to Seoul

Late deals on round-trip flights to Seoul from Ontario, departing today and this week
12 Dec - 19 Jan
$1,053pp
ONT
Ontario
United Airlines
 
1 STOP
ICN
Incheon Intl
ICN
Incheon Intl
United Airlines
 
1 STOP
ONT
Ontario
12 Dec - 30 Jan
$1,058pp
ONT
Ontario
United Airlines
 
1 STOP
ICN
Incheon Intl
ICN
Incheon Intl
United Airlines
   
2 STOPS
ONT
Ontario
10 Dec - 31 Jan
$1,103pp
ONT
Ontario
United Airlines
 
1 STOP
ICN
Incheon Intl
ICN
Incheon Intl
United Airlines
 
1 STOP
ONT
Ontario

One-way flights to All airports from Ontario

The cheapest one-way flights from Ontario to Seoul
2:00 am - 6:00 pm
Japan Airlines
2 Stops
24h 00m
ONT - GMP
Japan Airlines
1:00 am - 11:25 am
Delta
1 Stop
17h 25m
ONT - ICN
Delta
$892
Delta
7:15 am - 12:20 pm
Multiple Airlines
2 Stops
36h 05m
ONT - ICN
Multiple Airlines
$914
Orbitz

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Ontario</span> to <span class="emphasized">Seoul</span> flights.

Flight FAQs

From Ontario to Seoul

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. China 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 China 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 American Airlines for just $1,003, but on average you can expect to pay $1,054.

Are there last-minute flights available from Ontario to Seoul for under $1,100?

There are currently 20+ open flights from Ontario to Seoul within the next 7 days for less than $1,100.

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 United Airlines ($667), Delta ($784), and American Airlines ($809).

What are the cheapest flights from Ontario to Seoul?

On average you can expect to pay $1,052 for a flight from Ontario to Seoul. The cheapest flight overall is $839 while the most popular route, (Ontario - Incheon Intl) is currently priced at $1,014.

COVID Restrictions

View COVID Travel Restrictions for Seoul, South Korea

Do I need a COVID test to fly to Seoul from Ontario?

Information is based on travel restrictions from Ontario to Seoul

Most visitors from Ontario need to provide a negative COVID-19 test result and/or quarantine to enter Seoul.

COVID-19 testing requirements
Visitors from Ontario must present a negative RT-PCR (NAAT) test taken 72 hours before departing to Seoul.

Quarantine requirements
Visitors from Ontario are not required to quarantine after entering Seoul.

Documents
K-ETA - K-ETA is an electronic travel authorization that visa-free foreign visitors need to obtain before entering the Republic of Korea.


Do I need a test to fly back to Ontario from Seoul?

Returning to Ontario from Seoul

COVID-19 testing requirements
Visitors from Seoul must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 24 hours before departing to Ontario.

Quarantine requirements
Visitors from Seoul are not required to quarantine after entering Ontario.

Hide COVID Travel Restrictions for Seoul, South Korea

Alternative routes for Ontario to Seoul

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

Destination information for Seoul

Things to know before you go - useful duration and weather info for your trip from Ontario to Seoul.
Today's exchange rate
$1 = 1,183원
Average temperature for December in Seoul
41.0 °F
Avg rainfall for December in Seoul
0.8 ″

Airports servicing Ontario

Airports servicing Seoul

Seoul Gimpo Intl (GMP)
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