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Cheap flights from Seoul to Ontario from C$ 512

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 14/6. Fares are subject to change and may not be available on all flights or dates of travel.
SEL — YYZ
4 Jun — 11 Jun1
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 5 May 2026.

Sun 14/68:45 p.m.
ICN
-
YYZ
2 stops27h 15m
WestJet
Sun 13/910:55 p.m.
YYZ
-
ICN
2 stops30h 50m
WestJet
Deal found 3/5C$ 1,261
Tue 9/68:45 p.m.
ICN
-
YYZ
2 stops40h 14m
WestJet
Tue 16/610:20 p.m.
YYZ
-
ICN
2 stops55h 25m
WestJet
Deal found 30/4C$ 1,263
Tue 9/68:45 p.m.
ICN
-
YYZ
2 stops34h 50m
WestJet
Thu 18/611:10 p.m.
YYZ
-
ICN
2 stops54h 35m
WestJet
Deal found 3/5C$ 1,278
Tue 9/68:45 p.m.
ICN
-
YYZ
2 stops40h 14m
WestJet
Wed 17/66:35 p.m.
YYZ
-
ICN
2 stops35h 10m
WestJet
Deal found 2/5C$ 1,279
Tue 9/68:45 p.m.
ICN
-
YUL
2 stops33h 00m
WestJet
Thu 18/67:15 a.m.
YUL
-
ICN
1 stop22h 30m
WestJet
Deal found 1/5C$ 1,351
Tue 9/68:45 p.m.
ICN
-
YUL
2 stops33h 00m
WestJet
Wed 29/76:45 a.m.
YUL
-
ICN
2 stops23h 00m
WestJet
Deal found 2/5C$ 1,412
Fri 26/67:35 p.m.
ICN
-
YYZ
2 stops24h 20m
Multiple Airlines
Thu 3/912:00 p.m.
YYZ
-
ICN
1 stop17h 45m
Multiple Airlines
Deal found 1/5C$ 1,426
Sun 14/68:45 p.m.
ICN
-
YYZ
1 stop17h 20m
WestJet
Sat 20/69:00 a.m.
YYZ
-
ICN
1 stop20h 45m
WestJet
Deal found 4/5C$ 1,427
Sun 14/68:45 p.m.
ICN
-
YUL
2 stops40h 40m
WestJet
Fri 19/66:45 a.m.
YUL
-
ICN
2 stops47h 00m
WestJet
Deal found 3/5C$ 1,454
Tue 30/68:45 p.m.
ICN
-
YKF
1 stop36h 05m
WestJet
Fri 21/88:40 p.m.
YKF
-
ICN
1 stop33h 05m
WestJet
Deal found 30/4C$ 1,477
Tue 9/68:45 p.m.
ICN
-
YKF
1 stop36h 05m
WestJet
Fri 12/68:40 p.m.
YKF
-
ICN
1 stop33h 05m
WestJet
Deal found 30/4C$ 1,492
Tue 9/68:45 p.m.
ICN
-
YKF
1 stop36h 05m
WestJet
Tue 23/68:40 p.m.
YKF
-
ICN
1 stop33h 05m
WestJet
Deal found 30/4C$ 1,547

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 5 May 2026.

Round-trip from

C$ 1,261

One-way from

C$ 512

Popular in

October

Cheapest in

February

Average price

C$ 1,594

Good round-trip deal

C$ 2,292 or less

Good one-way deal

C$ 1,320 or less
WestJet
  • WestJet
  • 14/6-13/9
  • 4 total stops
  • 58h 05m total
  • Seoul to Ontario
Search Deals
WestJet
  • WestJet
  • 14/6
  • 2 total stops
  • 40h 40m total
  • Seoul to Ontario
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (C$ 62 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 May 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 5 May 2026.
Use the filters below to find and compare flights from Seoul to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

IncheonToronto

ICN - YKF

ICNYKF

Incheon Intl

Tue 30/6

8:45 p.m.-7:50 p.m.

1 stop36h 05m

Toronto Region of Waterloo Intl

Fri 21/8

8:40 p.m.-6:45 p.m.

1 stop33h 05m

C$ 1,477

IncheonOttawa

ICN - YOW

ICNYOW

Incheon Intl

Fri 22/5

8:45 p.m.-11:35 a.m.

2 stops27h 50m

Ottawa

Tue 2/6

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

2 stops59h 30m

C$ 1,581

IncheonOttawa

ICN - YOW

ICNYOW

Incheon Intl

Fri 22/5

8:45 p.m.-3:20 p.m.

1 stop31h 35m

Ottawa

Wed 3/6

4:15 p.m.-6:45 p.m.

1 stop37h 30m

C$ 1,612

IncheonOttawa

ICN - YOW

ICNYOW

Incheon Intl

Fri 22/5

8:45 p.m.-5:35 a.m.

1 stop21h 50m

Ottawa

Sat 6/6

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

2 stops35h 30m

C$ 1,714

IncheonOttawa

ICN - YOW

ICNYOW

Incheon Intl

Sat 11/7

8:45 p.m.-5:35 a.m.

1 stop21h 50m

Ottawa

Sun 19/7

6:25 p.m.-6:45 p.m.

2 stops35h 20m

C$ 1,796

IncheonToronto

ICN - YYZ

ICNYYZ

Incheon Intl

Sun 5/7

1:20 a.m.-3:00 p.m.

1 stop26h 40m

Toronto Pearson Intl

Mon 13/7

9:00 p.m.-5:05 p.m.

1 stop31h 05m

C$ 1,807

IncheonToronto

ICN - YKF

ICNYKF

Incheon Intl

Tue 7/7

8:45 p.m.-7:50 p.m.

1 stop36h 05m

Toronto Region of Waterloo Intl

Thu 16/7

8:40 p.m.-6:45 p.m.

1 stop33h 05m

C$ 1,871

IncheonToronto

ICN - YYZ

ICNYYZ

Incheon Intl

Wed 27/5

11:45 p.m.-4:45 p.m.

1 stop30h 00m

Toronto Pearson Intl

Wed 25/11

3:30 p.m.-10:30 a.m.

2 stops29h 00m

C$ 1,882

IncheonToronto

ICN - YYZ

ICNYYZ

Incheon Intl

Sun 19/7

1:20 a.m.-6:38 p.m.

2 stops30h 18m

Toronto Pearson Intl

Fri 14/8

9:00 p.m.-5:05 p.m.

1 stop31h 05m

C$ 1,888

IncheonOttawa

ICN - YOW

ICNYOW

Incheon Intl

Fri 28/8

6:00 p.m.-5:35 a.m.

2 stops24h 35m

Ottawa

Wed 16/9

8:15 p.m.-6:45 p.m.

1 stop33h 30m

C$ 1,897

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/5

Showing 1-10 of 60 resultsSorted by cheapest first
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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

How far ahead should I book a flight from Seoul to Region of Ontario?

The best time to book flights from Seoul to Region of Ontario is 40 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, February is the cheapest month in which you can book a flight from Seoul to Region of Ontario (average of C$ 190). Flying from Seoul to Region of Ontario in August is currently the most expensive (average of C$ 3,370). 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 5 May 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 5 May 2026.

The most flights from SEL to CAON are scheduled on a Monday (4 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (4 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 5 May 2026.
Read reviews from past customers who have flown Korean Air,Asiana Airlines, andWestJet 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
1,216 reviews
Check prices

Comfort

8.3

Food

8.1

Crew

8.7

Overall

8.4

Boarding

8.5

Entertainment

8.2

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
1,216 reviews
Korean Air
8.4
Very good
1,216 reviews
Check prices

Comfort

8.3

Food

8.1

Crew

8.7

Overall

8.4

Boarding

8.5

Entertainment

8.2

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
530 reviews
Korean Air
8.4
Very good
1,216 reviews
Check prices

Comfort

8.3

Food

8.1

Crew

8.7

Overall

8.4

Boarding

8.5

Entertainment

8.2

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
3,331 reviews
Korean Air
8.4
Very good
1,216 reviews
Check prices

Comfort

8.3

Food

8.1

Crew

8.7

Overall

8.4

Boarding

8.5

Entertainment

8.2

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
7.1
Good
11,672 reviews
Korean Air
8.4
Very good
1,216 reviews
Check prices

Comfort

8.3

Food

8.1

Crew

8.7

Overall

8.4

Boarding

8.5

Entertainment

8.2

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
11,000 reviews
Korean Air
8.4
Very good
1,216 reviews
Check prices

Comfort

8.3

Food

8.1

Crew

8.7

Overall

8.4

Boarding

8.5

Entertainment

8.2

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 21h 45m. WestJet provides one of the quickest options available for as low as C$ 2,027. The distance between Seoul and Region of Ontario is about 10589 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$ 668 while deals on EVA Air start at C$ 776 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 - Toronto Island.

  • 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 Korean Air (89%), Air Canada (81%) and Asiana Airlines (81%).

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

    On average you can expect to pay C$ 1,937 for a flight from Seoul to Region of Ontario. The cheapest flight overall is C$ 1,121 while the most popular route, (Incheon Intl - Toronto Pearson Intl) is currently priced at C$ 1,544.

  • 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, February is the cheapest month in which you can book a flight from Seoul to Region of Ontario (average of C$ 190). Flying from Seoul to Region of Ontario in August is currently the most expensive (average of C$ 3,370). 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

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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 5 May 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 1,240AverageC$ 1,555FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapestC$ 1,270AverageC$ 1,483FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Korean AirCheapestC$ 1,540AverageC$ 2,159FlexibilityNo cancel feeOn-time81%
Search Korean Air flights
Asiana AirlinesCheapestC$ 1,549AverageC$ 2,232FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines flights
American AirlinesCheapestC$ 1,555AverageC$ 1,568FlexibilityNo 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.

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