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Cheap flights from Seoul to Ontario from C$ 350

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 2/12. Fares are subject to change and may not be available on all flights or dates of travel.
SEL — YYZ
29 Nov — 6 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Seoul to Ontario

Keep the following information in mind while searching for Seoul to Ontario flight deals. Data was last updated 30 October 2025.

Round-trip from

C$ 712

One-way from

C$ 350

Popular in

October

Cheapest in

September

Average price

C$ 2,291

Good round-trip deal

C$ 1,101 or less

Good one-way deal

C$ 1,024 or less
United Airlines
  • United Airlines
  • 23/4-25/4
  • 4 total stops
  • 62h 55m total
  • Seoul to Ontario
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2/12
  • 2/12
  • 2 total stops
  • 23h 38m total
  • Seoul to Ontario
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (C$ 89 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 61 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Price to beat on a round-trip flight from Seoul (SEL) to Ontario.
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Price to beat on a one-way flight from Seoul (SEL) to Ontario.
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Find 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 30 October 2025.

Tue 4/1112:45 p.m.ICN - YUL
2 stops22h 57mUnited Airlines
Wed 5/112:13 p.m.YUL - ICN
2 stops25h 27mUnited Airlines
Deal found 29/10C$ 712
Mon 10/116:00 p.m.ICN - YOW
2 stops30h 26mUnited Airlines
Wed 12/119:45 a.m.YOW - ICN
2 stops29h 55mUnited Airlines
Deal found 30/10C$ 714
Thu 30/1011:55 a.m.ICN - YOW
2 stops35h 31mUnited Airlines
Tue 4/1111:10 a.m.YOW - ICN
2 stops28h 30mUnited Airlines
Deal found 28/10C$ 722
Fri 31/1011:55 a.m.ICN - YOW
2 stops23h 01mUnited Airlines
Fri 7/115:14 p.m.YOW - ICN
2 stops33h 01mUnited Airlines
Deal found 30/10C$ 726
Tue 11/1112:45 p.m.ICN - YUL
2 stops21h 03mUnited Airlines
Sat 15/112:13 p.m.YUL - ICN
2 stops36h 02mUnited Airlines
Deal found 29/10C$ 729
Tue 4/1112:45 p.m.ICN - YUL
2 stops21h 03mUnited Airlines
Tue 11/112:13 p.m.YUL - ICN
2 stops25h 27mUnited Airlines
Deal found 30/10C$ 732
Thu 13/117:15 p.m.ICN - YUL
1 stop33h 50mAmerican Airlines
Fri 28/114:00 p.m.YUL - ICN
1 stop34h 45mAmerican Airlines
Deal found 30/10C$ 737
Thu 13/117:15 p.m.ICN - YUL
2 stops34h 03mAmerican Airlines
Sat 22/113:49 p.m.YUL - ICN
2 stops34h 56mAmerican Airlines
Deal found 29/10C$ 755
Wed 26/1112:45 p.m.ICN - YOW
2 stops39h 45mUnited Airlines
Wed 3/129:45 a.m.YOW - ICN
2 stops29h 55mUnited Airlines
Deal found 29/10C$ 820
Tue 4/1112:45 p.m.ICN - YUL
1 stop18h 04mUnited Airlines
Tue 25/115:50 p.m.YUL - ICN
1 stop21h 50mUnited Airlines
Deal found 29/10C$ 825
Sun 2/116:00 p.m.ICN - YUL
2 stops37h 10mUnited Airlines
Sat 8/116:00 p.m.YUL - ICN
2 stops32h 15mUnited Airlines
Deal found 29/10C$ 827
Sat 1/115:05 p.m.ICN - YUL
2 stops37h 53mUnited Airlines
Fri 7/116:00 p.m.YUL - ICN
2 stops32h 15mUnited Airlines
Deal found 30/10C$ 829

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 30 October 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 10/11

6:00 p.m.-10:26 a.m.

2 stops30h 26m

Ottawa

Wed 12/11

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

2 stops29h 55m

C$ 714

IncheonOttawa

ICN - YOW

ICNYOW

Incheon Intl

Fri 6/2

6:00 p.m.-5:12 p.m.

2 stops37h 12m

Ottawa

Fri 13/2

2:15 p.m.-5:40 a.m.

2 stops25h 25m

C$ 722

IncheonOttawa

ICN - YOW

ICNYOW

Incheon Intl

Tue 3/3

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

2 stops23h 11m

Ottawa

Tue 10/3

2:15 p.m.-4:40 a.m.

2 stops25h 25m

C$ 722

IncheonOttawa

ICN - YOW

ICNYOW

Incheon Intl

Sat 7/2

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

2 stops25h 09m

Ottawa

Thu 19/2

7:30 p.m.-4:15 p.m.

2 stops30h 45m

C$ 725

IncheonOttawa

ICN - YOW

ICNYOW

Incheon Intl

Fri 6/2

6:00 p.m.-5:12 p.m.

2 stops37h 12m

Ottawa

Tue 10/2

3:10 p.m.-5:40 a.m.

2 stops24h 30m

C$ 725

IncheonOttawa

ICN - YOW

ICNYOW

Incheon Intl

Wed 19/11

12:45 p.m.-10:26 a.m.

2 stops35h 41m

Ottawa

Tue 25/11

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

2 stops29h 55m

C$ 726

IncheonMontreal

ICN - YUL

ICNYUL

Incheon Intl

Thu 5/2

12:45 p.m.-7:48 p.m.

2 stops21h 03m

Montreal Pierre Elliott Trudeau Intl

Tue 10/2

3:00 p.m.-5:40 a.m.

2 stops24h 40m

C$ 729

IncheonMontreal

ICN - YUL

ICNYUL

Incheon Intl

Fri 20/2

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

2 stops35h 16m

Montreal Pierre Elliott Trudeau Intl

Mon 9/3

9:15 a.m.-4:40 a.m.

2 stops30h 25m

C$ 729

IncheonMontreal

ICN - YUL

ICNYUL

Incheon Intl

Tue 11/11

12:45 p.m.-7:48 p.m.

2 stops21h 03m

Montreal Pierre Elliott Trudeau Intl

Tue 2/12

4:45 p.m.-5:40 a.m.

2 stops22h 55m

C$ 729

IncheonMontreal

ICN - YUL

ICNYUL

Incheon Intl

Sat 7/3

6:00 p.m.-12:30 p.m.

2 stops32h 30m

Montreal Pierre Elliott Trudeau Intl

Sun 15/3

2:13 p.m.-4:40 a.m.

2 stops25h 27m

C$ 729

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/10

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, September is the cheapest month in which you can book a flight from Seoul to Region of Ontario (average of C$ 855). Flying from Seoul to Region of Ontario in December is currently the most expensive (average of C$ 1,413). 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 30 October 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.

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 30 October 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
1,155 reviews
Check prices

Comfort

8.3

Entertainment

8.2

Crew

8.7

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
1,155 reviews
Korean Air
8.4
Very good
1,155 reviews
Check prices

Comfort

8.3

Entertainment

8.2

Crew

8.7

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
8.2
Very good
484 reviews
Korean Air
8.4
Very good
1,155 reviews
Check prices

Comfort

8.3

Entertainment

8.2

Crew

8.7

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
11,034 reviews
Korean Air
8.4
Very good
1,155 reviews
Check prices

Comfort

8.3

Entertainment

8.2

Crew

8.7

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
3,152 reviews
Korean Air
8.4
Very good
1,155 reviews
Check prices

Comfort

8.3

Entertainment

8.2

Crew

8.7

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
10,383 reviews
Korean Air
8.4
Very good
1,155 reviews
Check prices

Comfort

8.3

Entertainment

8.2

Crew

8.7

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 21h 44m. United Airlines provides one of the quickest options available for as low as C$ 1,001. 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$ 528. Air China flights start at C$ 750 while deals on China Eastern start at C$ 934 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 WestJet (87%), Korean Air (76%) and Air Canada (61%).

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

    On average you can expect to pay C$ 1,952 for a flight from Seoul to Region of Ontario. The cheapest flight overall is C$ 1,002 while the most popular route, (Incheon Intl - Toronto Pearson Intl) is currently priced at C$ 725.

  • 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, September is the cheapest month in which you can book a flight from Seoul to Region of Ontario (average of C$ 855). Flying from Seoul to Region of Ontario in December is currently the most expensive (average of C$ 1,413). 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
Incheon Intl to Vancouver Intl flights
Gimpo Intl to Vancouver Intl flights
Incheon Intl to Calgary flights
Gimpo Intl to Pearson Intl flights
Incheon Intl to Pierre Elliott Trudeau Intl flights
Incheon Intl to Ottawa flights
Incheon Intl to Yellowknife flights
Incheon Intl to Halifax flights
Gimpo Intl to Pierre Elliott Trudeau Intl flights
Busan to Vancouver Intl flights
Incheon Intl to Québec City flights
Busan to Calgary flights
Busan to Pierre Elliott Trudeau Intl flights
Incheon Intl to Region of Waterloo Intl flights
Incheon Intl to Edmonton flights
Busan to Edmonton flights
Busan to Pearson Intl flights
Incheon Intl to Winnipeg flights
Busan to Halifax flights
Incheon Intl to Victoria 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 30 October 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 1,192AverageC$ 1,596FlexibilityNo cancel feeOn-time60%
Search WestJet flights
American AirlinesCheapestC$ 1,229AverageC$ 1,609FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air CanadaCheapestC$ 1,304AverageC$ 1,641FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Korean AirCheapestC$ 1,786AverageC$ 2,157FlexibilityNo cancel feeOn-time81%
Search Korean Air flights
Asiana AirlinesCheapestC$ 1,898AverageC$ 2,287FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines flights

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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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