Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Seoul to Ontario from C$ 380

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/3. Fares are subject to change and may not be available on all flights or dates of travel.
SEL — YYZ
28 Feb — 7 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Seoul to Ontario

Enter your travel dates to find the best prices.

Cheapest flights from Seoul to Ontario
Explore the most affordable flight options available from Seoul to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 January 2026.

Tue 24/29:20 p.m.
ICN
-
YYZ
1 stop23h 20m
Multiple Airlines
Tue 3/39:45 a.m.
YYZ
-
ICN
1 stop21h 50m
Multiple Airlines
Deal found 27/1C$ 872
Thu 12/39:20 p.m.
ICN
-
YYZ
1 stop22h 20m
Multiple Airlines
Sun 22/37:55 a.m.
YYZ
-
ICN
1 stop24h 40m
Multiple Airlines
Deal found 27/1C$ 886
Tue 10/39:20 p.m.
ICN
-
YYZ
1 stop22h 20m
Multiple Airlines
Tue 24/39:45 a.m.
YYZ
-
ICN
1 stop22h 50m
Multiple Airlines
Deal found 28/1C$ 891
Tue 3/39:20 p.m.
ICN
-
YYZ
1 stop23h 20m
Multiple Airlines
Sat 7/36:30 a.m.
YYZ
-
ICN
1 stop25h 05m
Multiple Airlines
Deal found 28/1C$ 907
Thu 19/29:20 p.m.
ICN
-
YYZ
1 stop23h 20m
Multiple Airlines
Tue 3/37:55 a.m.
YYZ
-
ICN
1 stop23h 40m
Multiple Airlines
Deal found 28/1C$ 910
Mon 2/27:15 p.m.
ICN
-
YYZ
2 stops54h 44m
American Airlines
Thu 5/26:14 a.m.
YYZ
-
ICN
1 stop20h 31m
American Airlines
Deal found 28/1C$ 912
Tue 3/39:20 p.m.
ICN
-
YYZ
1 stop24h 30m
Multiple Airlines
Tue 31/37:55 a.m.
YYZ
-
ICN
1 stop24h 40m
Multiple Airlines
Deal found 27/1C$ 937
Sat 14/39:20 p.m.
ICN
-
YYZ
2 stops21h 38m
Multiple Airlines
Sat 21/36:30 a.m.
YYZ
-
ICN
1 stop26h 05m
Multiple Airlines
Deal found 28/1C$ 939
Thu 19/29:20 p.m.
ICN
-
YYZ
1 stop22h 21m
Multiple Airlines
Mon 2/33:40 p.m.
YYZ
-
ICN
2 stops39h 55m
Multiple Airlines
Deal found 28/1C$ 946
Sun 1/39:20 p.m.
ICN
-
YUL
2 stops23h 45m
Multiple Airlines
Fri 6/36:45 a.m.
YUL
-
ICN
2 stops48h 50m
Multiple Airlines
Deal found 28/1C$ 1,063
Sun 1/39:20 p.m.
ICN
-
YUL
1 stop33h 07m
Multiple Airlines
Sun 8/36:45 a.m.
YUL
-
ICN
2 stops25h 50m
Multiple Airlines
Deal found 28/1C$ 1,108
Wed 20/52:25 p.m.
GMP
-
YYZ
1 stop35h 45m
Air China
Tue 26/54:15 p.m.
YYZ
-
GMP
1 stop31h 50m
Air China
Deal found 28/1C$ 1,129

Find flight deals from Seoul to Ontario

Keep the following information in mind while searching for Seoul to Ontario flight deals. Data was last updated 29 January 2026.

Round-trip from

C$ 872

One-way from

C$ 380

Popular in

October

Cheapest in

February

Average price

C$ 1,690

Good round-trip deal

C$ 1,476 or less

Good one-way deal

C$ 1,350 or less
24/2-3/3
  • 24/2-3/3
  • 2 total stops
  • 45h 10m total
  • Seoul to Ontario
Search Deals
5/3
  • 5/3
  • 1 total stop
  • 37h 15m total
  • Seoul to Ontario
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (C$ 155 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 69 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals
Price to beat on a round-trip flight from Seoul (SEL) to Ontario.
Search Deals
Price to beat on a one-way flight from Seoul (SEL) to Ontario.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seoul to Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 29 January 2026.
Use the filters below to find and compare flights from Seoul to Ontario that are best for you.

Fly from

Seoul

Fly to

Ontario

Route

Depart

Return

Price

IncheonOttawa

ICN - YOW

ICNYOW

Incheon Intl

Thu 19/2

9:20 p.m.-2:45 p.m.

1 stop31h 25m

Ottawa

Sun 29/3

5:40 a.m.-9:35 p.m.

2 stops26h 55m

C$ 1,131

IncheonOttawa

ICN - YOW

ICNYOW

Incheon Intl

Thu 30/4

9:10 p.m.-5:40 a.m.

2 stops21h 30m

Ottawa

Sun 10/5

5:55 a.m.-9:35 p.m.

2 stops26h 40m

C$ 1,178

IncheonToronto

ICN - YKF

ICNYKF

Incheon Intl

Sun 12/4

9:10 p.m.-5:29 a.m.

3 stops21h 19m

Toronto Region of Waterloo Intl

Thu 23/4

6:20 a.m.-9:35 p.m.

2 stops26h 15m

C$ 1,191

IncheonOttawa

ICN - YOW

ICNYOW

Incheon Intl

Thu 19/2

9:20 p.m.-2:45 p.m.

1 stop31h 25m

Ottawa

Sat 28/2

6:55 p.m.-9:35 p.m.

1 stop36h 40m

C$ 1,261

IncheonOttawa

ICN - YOW

ICNYOW

Incheon Intl

Thu 30/4

7:05 p.m.-1:36 a.m.

1 stop19h 31m

Ottawa

Sun 10/5

5:45 p.m.-4:05 p.m.

1 stop33h 20m

C$ 1,287

IncheonOttawa

ICN - YOW

ICNYOW

Incheon Intl

Tue 7/4

7:05 p.m.-1:14 p.m.

1 stop31h 09m

Ottawa

Sat 11/4

5:35 p.m.-4:05 p.m.

2 stops57h 30m

C$ 1,330

IncheonMontreal

ICN - YUL

ICNYUL

Incheon Intl

Sun 3/5

5:45 p.m.-7:10 a.m.

2 stops26h 25m

Montreal Pierre Elliott Trudeau Intl

Thu 23/7

8:30 a.m.-4:05 p.m.

1 stop18h 35m

C$ 1,334

IncheonOttawa

ICN - YOW

ICNYOW

Incheon Intl

Fri 13/3

5:55 p.m.-6:43 a.m.

1 stop25h 48m

Ottawa

Thu 19/3

8:25 p.m.-5:25 p.m.

1 stop32h 00m

C$ 1,337

IncheonOttawa

ICN - YOW

ICNYOW

Incheon Intl

Fri 15/5

5:45 p.m.-12:55 a.m.

1 stop20h 10m

Ottawa

Sun 24/5

5:00 a.m.-4:05 p.m.

1 stop22h 05m

C$ 1,345

IncheonOttawa

ICN - YOW

ICNYOW

Incheon Intl

Sat 20/6

8:45 p.m.-3:25 p.m.

1 stop31h 40m

Ottawa

Tue 30/6

5:15 p.m.-6:45 p.m.

2 stops60h 30m

C$ 1,349

Flights are sorted by cheapest round-trip flights first.

Deals found on 26/1

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from Seoul to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Seoul with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Seoul to Ontario

What is the cheapest month to book a flight from Seoul to Region of Ontario?

Currently, October is the cheapest month in which you can book a flight from Seoul to Region of Ontario (average of C$ 718). Flying from Seoul to Region of Ontario in July is currently the most expensive (average of C$ 1,366). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SEL to ON?

Find hourly flight availability from Seoul to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 29 January 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Seoul to Region of Ontario as you normally would.

Weekly flight availability from Seoul to Region of Ontario

Explore weekly flight availability from Seoul to Ontario. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 29 January 2026.

The most flights from SEL to CAON are scheduled on a Thursday (4 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 on average).

How much does it cost to fly round-trip from Seoul to Region of Ontario?

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated 29 January 2026.
Read reviews from past customers who have flown Korean Air,Asiana Airlines, andAmerican Airlines from Seoul to Ontario. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very good
1,188 reviews
Check prices

Entertainment

8.2

Crew

8.7

Comfort

8.3

Overall

8.4

Boarding

8.5

Food

8.1

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Korean Air
8.4
Very good
1,188 reviews
Korean Air
8.4
Very good
1,188 reviews
Check prices

Entertainment

8.2

Crew

8.7

Comfort

8.3

Overall

8.4

Boarding

8.5

Food

8.1

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Asiana Airlines
8.1
Very good
501 reviews
Korean Air
8.4
Very good
1,188 reviews
Check prices

Entertainment

8.2

Crew

8.7

Comfort

8.3

Overall

8.4

Boarding

8.5

Food

8.1

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
American Airlines
7.2
Good
11,206 reviews
Korean Air
8.4
Very good
1,188 reviews
Check prices

Entertainment

8.2

Crew

8.7

Comfort

8.3

Overall

8.4

Boarding

8.5

Food

8.1

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
WestJet
7.2
Good
3,253 reviews
Korean Air
8.4
Very good
1,188 reviews
Check prices

Entertainment

8.2

Crew

8.7

Comfort

8.3

Overall

8.4

Boarding

8.5

Food

8.1

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Air Canada
7.1
Good
10,667 reviews
Korean Air
8.4
Very good
1,188 reviews
Check prices

Entertainment

8.2

Crew

8.7

Comfort

8.3

Overall

8.4

Boarding

8.5

Food

8.1

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!

Related info for your journey

Find useful and relevant information for your journey from Seoul to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Seoul to Region of Ontario?

    A quick flight from Seoul to Region of Ontario can take about 17h. Air Canada provides one of the quickest options available for as low as C$ 1,425. The distance between Seoul and Region of Ontario is about 10612 km. This flight may include one or multiple stops.

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

    To fly one-way, consider booking your trip with WestJet, which is currently one of the cheapest options available, starting at C$ 417. Air Canada flights start at C$ 672 while deals on Asiana Airlines start at C$ 708 one-way.

  • What are the most popular routes from Seoul to Region of Ontario?

    The most popular flight routes from Seoul to Region of Ontario are Incheon Intl - Toronto Pearson Intl, Seoul Gimpo Intl - Toronto Pearson Intl and Incheon Intl - Montreal Pierre Elliott Trudeau Intl.

  • What are the most reliable airlines from Seoul to Region of Ontario?

    The top 3 most reliable airlines when flying from Seoul to Region of Ontario are Air Canada (77%), Asiana Airlines (77%) and Korean Air (74%).

  • What are the cheapest flights from Seoul to Region of Ontario?

    On average you can expect to pay C$ 1,954 for a flight from Seoul to Region of Ontario. The cheapest flight overall is C$ 716 while the most popular route, (Incheon Intl - Toronto Pearson Intl) is currently priced at C$ 919.

  • Can I find deals for flights from Seoul to Ontario that include hotel bookings?

    Yes. In addition to deals on Seoul to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seoul to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seoul to Ontario.

  • Can I find deals for business class flights from Seoul to Ontario?

    Yes. Cheapflights offers flight deals from Seoul to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Seoul to Region of Ontario?

    Currently, October is the cheapest month in which you can book a flight from Seoul to Region of Ontario (average of C$ 718). Flying from Seoul to Region of Ontario in July is currently the most expensive (average of C$ 1,366). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Seoul to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
Incheon Intl to Vancouver Intl flights
Incheon Intl to Pearson Intl flights
Incheon Intl to Calgary flights
Gimpo Intl to Vancouver Intl flights
Gimpo Intl to Pearson Intl flights
Incheon Intl to Pierre Elliott Trudeau Intl flights
Gimpo Intl to Pierre Elliott Trudeau Intl flights
Busan to Vancouver Intl flights
Incheon Intl to Edmonton flights
Incheon Intl to Ottawa flights
Busan to Pearson Intl flights
Incheon Intl to Region of Waterloo Intl flights
Incheon Intl to Victoria flights
Incheon Intl to Winnipeg flights
Busan to Calgary flights
Incheon Intl to Québec City flights
Incheon Intl to Halifax flights
Incheon Intl to Thunder Bay flights
Incheon Intl to Yellowknife flights
Busan to Edmonton flights
Busan to Halifax flights
Busan to Pierre Elliott Trudeau Intl flights
Gimpo Intl to Winnipeg flights

Top 5 airlines flying from Seoul to Ontario

Discover the top 5 airlines that operate flights from Seoul to Ontario. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 29 January 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 1,159AverageC$ 1,504FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapestC$ 1,307AverageC$ 1,511FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Korean AirCheapestC$ 1,536AverageC$ 2,155FlexibilityNo cancel feeOn-time81%
Search Korean Air flights
Asiana AirlinesCheapestC$ 1,546AverageC$ 2,296FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines flights
American AirlinesCheapestC$ 1,552AverageC$ 1,565FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Seoul to Ontario?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Seoul to Ontario. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Seoul to Ontario?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Seoul to Ontario for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Seoul to Ontario with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Seoul to Ontario flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Seoul to Ontario become cheaper?

Yes! Start tracking prices for Seoul to Ontario flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.