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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 10/2. Fares are subject to change and may not be available on all flights or dates of travel.
SEL — YYZ
15 Jan — 22 Jan1
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 16 December 2025.

Thu 25/126:00 p.m.ICN - YOW
2 stops19h 54mUnited Airlines
Wed 25/27:30 p.m.YOW - ICN
2 stops30h 45mUnited Airlines
Deal found 14/12C$ 740
Tue 16/126:00 p.m.ICN - YUL
2 stops35h 16mUnited Airlines
Thu 29/17:00 a.m.YUL - ICN
2 stops32h 40mUnited Airlines
Deal found 14/12C$ 746
Sun 28/126:00 p.m.ICN - YUL
3 stops36h 56mUnited Airlines
Tue 24/25:50 p.m.YUL - ICN
1 stop32h 25mUnited Airlines
Deal found 16/12C$ 798
Sun 28/129:00 a.m.ICN - YOW
2 stops26h 56mUnited Airlines
Sat 28/25:11 p.m.YOW - ICN
2 stops33h 04mUnited Airlines
Deal found 14/12C$ 859
Tue 23/121:05 p.m.ICN - YYZ
2 stops31h 08mMultiple Airlines
Tue 13/19:45 a.m.YYZ - ICN
1 stop21h 50mMultiple Airlines
Deal found 15/12C$ 1,106
Thu 18/129:20 p.m.ICN - YYZ
1 stop23h 20mMultiple Airlines
Thu 15/16:30 a.m.YYZ - ICN
1 stop25h 05mMultiple Airlines
Deal found 15/12C$ 1,109
Wed 24/1211:30 a.m.ICN - YYZ
2 stops22h 06mMultiple Airlines
Tue 13/19:45 a.m.YYZ - ICN
1 stop21h 50mMultiple Airlines
Deal found 15/12C$ 1,115
Mon 22/129:40 a.m.ICN - YYZ
2 stops23h 56mMultiple Airlines
Tue 13/17:55 a.m.YYZ - ICN
1 stop23h 40mMultiple Airlines
Deal found 15/12C$ 1,116
Tue 23/121:05 p.m.ICN - YYZ
2 stops31h 08mMultiple Airlines
Sun 11/16:30 a.m.YYZ - ICN
1 stop25h 05mMultiple Airlines
Deal found 15/12C$ 1,117
Tue 16/1212:45 p.m.ICN - YOW
2 stops35h 41mUnited Airlines
Thu 1/16:00 a.m.YOW - ICN
2 stops33h 40mUnited Airlines
Deal found 14/12C$ 1,117
Thu 25/1212:45 p.m.ICN - YYZ
1 stop18h 07mUnited Airlines
Wed 14/15:55 p.m.YYZ - ICN
1 stop21h 45mUnited Airlines
Deal found 15/12C$ 1,120
Tue 23/126:00 p.m.ICN - YOW
2 stops37h 18mUnited Airlines
Sat 3/17:27 p.m.YOW - ICN
2 stops30h 48mUnited Airlines
Deal found 16/12C$ 1,120

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 16 December 2025.

Round-trip from

C$ 733

One-way from

C$ 380

Popular in

October

Cheapest in

September

Average price

C$ 1,589

Good round-trip deal

C$ 1,534 or less

Good one-way deal

C$ 1,118 or less
United Airlines
  • United Airlines
  • 23/4-25/4
  • 4 total stops
  • 64h 45m total
  • Seoul to Ontario
Search Deals
10/2
  • 10/2
  • 2 total stops
  • 23h 38m total
  • Seoul to Ontario
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (C$ 87 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 65 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 16 December 2025.
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

Mon 2/2

12:45 p.m.-9:56 p.m.

2 stops23h 11m

Ottawa

Thu 5/2

9:45 a.m.-5:40 a.m.

2 stops29h 55m

C$ 740

IncheonOttawa

ICN - YOW

ICNYOW

Incheon Intl

Wed 1/4

4:50 p.m.-10:03 a.m.

2 stops30h 13m

Ottawa

Wed 22/4

5:25 p.m.-4:20 a.m.

2 stops21h 55m

C$ 740

IncheonOttawa

ICN - YOW

ICNYOW

Incheon Intl

Sat 31/1

12:45 p.m.-11:54 p.m.

2 stops25h 09m

Ottawa

Sat 7/2

5:11 p.m.-4:15 p.m.

2 stops33h 04m

C$ 740

IncheonOttawa

ICN - YOW

ICNYOW

Incheon Intl

Wed 18/2

12:45 p.m.-11:54 p.m.

2 stops25h 09m

Ottawa

Wed 25/2

9:45 a.m.-5:40 a.m.

2 stops29h 55m

C$ 742

IncheonOttawa

ICN - YOW

ICNYOW

Incheon Intl

Wed 1/4

4:50 p.m.-10:03 a.m.

2 stops30h 13m

Ottawa

Sun 5/4

7:40 p.m.-3:00 p.m.

2 stops30h 20m

C$ 742

IncheonMontreal

ICN - YUL

ICNYUL

Incheon Intl

Wed 15/4

11:30 a.m.-12:10 a.m.

2 stops25h 40m

Montreal Pierre Elliott Trudeau Intl

Tue 21/4

11:23 a.m.-4:20 a.m.

2 stops27h 57m

C$ 746

IncheonMontreal

ICN - YUL

ICNYUL

Incheon Intl

Tue 10/3

5:00 p.m.-1:28 p.m.

2 stops33h 28m

Montreal Pierre Elliott Trudeau Intl

Mon 16/3

2:13 p.m.-3:15 p.m.

2 stops36h 02m

C$ 749

IncheonMontreal

ICN - YUL

ICNYUL

Incheon Intl

Thu 26/2

6:00 p.m.-3:16 p.m.

2 stops35h 16m

Montreal Pierre Elliott Trudeau Intl

Tue 10/3

4:45 p.m.-3:15 p.m.

2 stops33h 30m

C$ 749

IncheonMontreal

ICN - YUL

ICNYUL

Incheon Intl

Fri 20/3

11:45 a.m.-7:41 a.m.

2 stops32h 56m

Montreal Pierre Elliott Trudeau Intl

Sat 28/3

5:50 p.m.-3:00 p.m.

1 stop32h 10m

C$ 839

IncheonMontreal

ICN - YUL

ICNYUL

Incheon Intl

Thu 16/4

11:30 a.m.-12:10 a.m.

2 stops25h 40m

Montreal Pierre Elliott Trudeau Intl

Sun 3/5

8:10 a.m.-4:20 a.m.

2 stops31h 10m

C$ 839

Flights are sorted by cheapest round-trip flights first.

Deals found on 16/12

Showing 1-10 of 60 results
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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

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

Currently, December is the cheapest month in which you can book a flight from Seoul to Region of Ontario (average of C$ 740). Flying from Seoul to Region of Ontario in July is currently the most expensive (average of C$ 1,384). 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 16 December 2025.

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 16 December 2025.

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

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 16 December 2025.
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
1,186 reviews
Check prices

Food

8.1

Crew

8.7

Boarding

8.5

Entertainment

8.2

Overall

8.4

Comfort

8.3

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
1,186 reviews
Korean Air
8.4
Very good
1,186 reviews
Check prices

Food

8.1

Crew

8.7

Boarding

8.5

Entertainment

8.2

Overall

8.4

Comfort

8.3

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
8.2
Very good
493 reviews
Korean Air
8.4
Very good
1,186 reviews
Check prices

Food

8.1

Crew

8.7

Boarding

8.5

Entertainment

8.2

Overall

8.4

Comfort

8.3

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
11,049 reviews
Korean Air
8.4
Very good
1,186 reviews
Check prices

Food

8.1

Crew

8.7

Boarding

8.5

Entertainment

8.2

Overall

8.4

Comfort

8.3

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
3,202 reviews
Korean Air
8.4
Very good
1,186 reviews
Check prices

Food

8.1

Crew

8.7

Boarding

8.5

Entertainment

8.2

Overall

8.4

Comfort

8.3

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
10,531 reviews
Korean Air
8.4
Very good
1,186 reviews
Check prices

Food

8.1

Crew

8.7

Boarding

8.5

Entertainment

8.2

Overall

8.4

Comfort

8.3

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. United Airlines provides one of the quickest options available for as low as C$ 1,080. 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$ 534. American Airlines flights start at C$ 620 while deals on Air Canada start at C$ 705 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 (86%), Air Canada (85%) and Asiana Airlines (85%).

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

    On average you can expect to pay C$ 1,339 for a flight from Seoul to Region of Ontario. The cheapest flight overall is C$ 943 while the most popular route, (Incheon Intl - Toronto Pearson Intl) is currently priced at C$ 742.

  • 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, December is the cheapest month in which you can book a flight from Seoul to Region of Ontario (average of C$ 740). Flying from Seoul to Region of Ontario in July is currently the most expensive (average of C$ 1,384). 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

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Alternative routes for Seoul to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
Incheon Intl to Pearson Intl flights
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Incheon Intl to Victoria flights
Busan to Edmonton flights
Busan to Pierre Elliott Trudeau Intl flights
Busan to Halifax flights
Incheon Intl to Thunder Bay 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 16 December 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 1,174AverageC$ 1,572FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapestC$ 1,285AverageC$ 1,611FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Korean AirCheapestC$ 1,557AverageC$ 2,098FlexibilityNo cancel feeOn-time81%
Search Korean Air flights
American AirlinesCheapestC$ 1,573AverageC$ 1,586FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Asiana AirlinesCheapestC$ 1,871AverageC$ 2,253FlexibilityNo cancel feeOn-time76%
Search Asiana 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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