Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Seoul to Ontario from C$ 453

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 12/10. Fares are subject to change and may not be available on all flights or dates of travel.
SEL — YYZ
16 Oct — 23 Oct1
1 adult
1 adult, Economy

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 16 September 2025.

Round-trip from

C$ 720

One-way from

C$ 453

Popular in

October

Cheapest in

September

Average price

C$ 1,507

Good round-trip deal

C$ 1,763 or less

Good one-way deal

C$ 1,131 or less
United Airlines
  • United Airlines
  • 7/11-9/11
  • 4 total stops
  • 68h 56m total
  • Seoul to Ontario
Search Deals
WestJet
  • WestJet
  • 12/10
  • 1 total stop
  • 16h 55m total
  • Seoul to Ontario
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (C$ 56 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 51 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 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

Find flight deals from Seoul to Ontario

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 September 2025.

Mon 15/94:50 p.m.ICN - YUL
2 stops30h 50mUnited Airlines
Wed 17/99:15 a.m.YUL - ICN
2 stops30h 05mUnited Airlines
Deal found 14/9C$ 720
Fri 19/94:50 p.m.ICN - YOW
2 stops34h 23mUnited Airlines
Sun 21/96:05 a.m.YOW - ICN
2 stops33h 15mUnited Airlines
Deal found 16/9C$ 722
Fri 10/104:50 p.m.ICN - YOW
2 stops34h 23mUnited Airlines
Wed 22/106:33 a.m.YOW - ICN
2 stops32h 47mUnited Airlines
Deal found 15/9C$ 731
Wed 24/94:50 p.m.ICN - YUL
2 stops30h 50mUnited Airlines
Sat 27/94:55 p.m.YUL - ICN
2 stops33h 05mUnited Airlines
Deal found 15/9C$ 736
Tue 16/94:50 p.m.ICN - YUL
1 stop28h 26mUnited Airlines
Sun 21/96:30 p.m.YUL - ICN
1 stop20h 50mUnited Airlines
Deal found 15/9C$ 738
Tue 7/104:50 p.m.ICN - YUL
2 stops30h 50mUnited Airlines
Mon 17/114:45 p.m.YUL - ICN
2 stops33h 30mUnited Airlines
Deal found 16/9C$ 740
Fri 19/94:50 p.m.ICN - YUL
2 stops30h 50mUnited Airlines
Sat 27/96:30 p.m.YUL - ICN
1 stop20h 50mUnited Airlines
Deal found 14/9C$ 749
Mon 29/911:30 a.m.ICN - YOW
2 stops35h 28mUnited Airlines
Sat 4/1012:54 p.m.YOW - ICN
2 stops26h 26mUnited Airlines
Deal found 16/9C$ 753
Thu 23/104:50 p.m.ICN - YUL
2 stops32h 04mUnited Airlines
Sat 25/108:05 a.m.YUL - ICN
3 stops42h 10mUnited Airlines
Deal found 15/9C$ 785
Wed 22/104:50 p.m.ICN - YUL
3 stops28h 39mUnited Airlines
Tue 11/112:13 p.m.YUL - ICN
2 stops25h 27mUnited Airlines
Deal found 14/9C$ 801
Wed 26/116:00 p.m.ICN - YUL
2 stops36h 28mUnited Airlines
Fri 28/118:25 a.m.YUL - ICN
2 stops31h 15mUnited Airlines
Deal found 15/9C$ 819
Mon 24/116:00 p.m.ICN - YOW
3 stops34h 30mUnited Airlines
Thu 27/1110:30 a.m.YOW - ICN
2 stops29h 10mUnited Airlines
Deal found 14/9C$ 830

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 September 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

Thu 23/10

4:50 p.m.-9:58 a.m.

2 stops30h 08m

Ottawa

Mon 3/11

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

2 stops36h 00m

C$ 731

IncheonOttawa

ICN - YOW

ICNYOW

Incheon Intl

Thu 23/10

4:50 p.m.-9:58 a.m.

2 stops30h 08m

Ottawa

Tue 4/11

11:10 a.m.-5:40 a.m.

2 stops28h 30m

C$ 731

IncheonOttawa

ICN - YOW

ICNYOW

Incheon Intl

Mon 24/11

6:00 p.m.-2:27 p.m.

2 stops34h 27m

Ottawa

Thu 27/11

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

2 stops29h 55m

C$ 731

IncheonOttawa

ICN - YOW

ICNYOW

Incheon Intl

Sat 11/10

4:50 p.m.-2:04 p.m.

2 stops34h 14m

Ottawa

Wed 22/10

6:33 a.m.-4:20 a.m.

2 stops32h 47m

C$ 731

IncheonOttawa

ICN - YOW

ICNYOW

Incheon Intl

Mon 2/2

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$ 731

IncheonOttawa

ICN - YOW

ICNYOW

Incheon Intl

Wed 8/10

4:50 p.m.-9:58 a.m.

2 stops30h 08m

Ottawa

Tue 21/10

10:37 a.m.-4:20 a.m.

2 stops28h 43m

C$ 731

IncheonMontreal

ICN - YUL

ICNYUL

Incheon Intl

Thu 23/10

4:50 p.m.-8:16 a.m.

1 stop28h 26m

Montreal Pierre Elliott Trudeau Intl

Sat 25/10

6:30 p.m.-3:15 p.m.

1 stop31h 45m

C$ 736

IncheonMontreal

ICN - YUL

ICNYUL

Incheon Intl

Mon 15/12

6:00 p.m.-2:00 p.m.

2 stops34h 00m

Montreal Pierre Elliott Trudeau Intl

Fri 13/2

2:13 p.m.-4:15 p.m.

2 stops36h 02m

C$ 736

IncheonOttawa

ICN - YOW

ICNYOW

Incheon Intl

Mon 29/9

11:30 a.m.-9:58 a.m.

2 stops35h 28m

Ottawa

Sat 4/10

12:54 p.m.-4:20 a.m.

2 stops26h 26m

C$ 753

IncheonMontreal

ICN - YUL

ICNYUL

Incheon Intl

Wed 15/10

11:30 a.m.-8:28 p.m.

2 stops21h 58m

Montreal Pierre Elliott Trudeau Intl

Tue 21/10

6:35 a.m.-4:20 a.m.

3 stops32h 45m

C$ 801

Flights are sorted by cheapest round-trip flights first.

Deals found on 14/9

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, January is the cheapest month in which you can book a flight from Seoul to Region of Ontario (average of C$ 169). Flying from Seoul to Region of Ontario in July is currently the most expensive (average of C$ 258). 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 September 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 September 2025.

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 16 September 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
1,140 reviews
Check prices

Comfort

8.3

Crew

8.7

Overall

8.4

Entertainment

8.2

Food

8.1

Boarding

8.5

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
1,140 reviews
Korean Air
8.4
Very good
1,140 reviews
Check prices

Comfort

8.3

Crew

8.7

Overall

8.4

Entertainment

8.2

Food

8.1

Boarding

8.5

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
480 reviews
Korean Air
8.4
Very good
1,140 reviews
Check prices

Comfort

8.3

Crew

8.7

Overall

8.4

Entertainment

8.2

Food

8.1

Boarding

8.5

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
10,000 reviews
Korean Air
8.4
Very good
1,140 reviews
Check prices

Comfort

8.3

Crew

8.7

Overall

8.4

Entertainment

8.2

Food

8.1

Boarding

8.5

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
3,093 reviews
Korean Air
8.4
Very good
1,140 reviews
Check prices

Comfort

8.3

Crew

8.7

Overall

8.4

Entertainment

8.2

Food

8.1

Boarding

8.5

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
10,000 reviews
Korean Air
8.4
Very good
1,140 reviews
Check prices

Comfort

8.3

Crew

8.7

Overall

8.4

Entertainment

8.2

Food

8.1

Boarding

8.5

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 16h 05m. United Airlines provides one of the quickest options available for as low as C$ 1,478. 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$ 454. Air China flights start at C$ 760 while deals on EVA Air start at C$ 1,008 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, Incheon Intl - Montreal Pierre Elliott Trudeau Intl and Seoul Gimpo Intl - Toronto Pearson 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 WestJet (72%), Korean Air (68%) and Air Canada (50%).

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

    On average you can expect to pay C$ 1,637 for a flight from Seoul to Region of Ontario. The cheapest flight overall is C$ 1,131 while the most popular route, (Incheon Intl - Toronto Pearson Intl) is currently priced at C$ 729.

  • 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, January is the cheapest month in which you can book a flight from Seoul to Region of Ontario (average of C$ 169). Flying from Seoul to Region of Ontario in July is currently the most expensive (average of C$ 258). 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
Gimpo Intl to Vancouver Intl flights
Gimpo Intl to Pearson Intl flights
Incheon Intl to Calgary flights
Incheon Intl to Pierre Elliott Trudeau Intl flights
Incheon Intl to Québec City flights
Busan to Vancouver Intl flights
Incheon Intl to Region of Waterloo Intl flights
Incheon Intl to Edmonton flights
Gimpo Intl to Pierre Elliott Trudeau Intl flights
Incheon Intl to Winnipeg flights
Incheon Intl to Victoria flights
Busan to Calgary flights
Incheon Intl to Ottawa flights
Incheon Intl to Halifax flights
Busan to Pierre Elliott Trudeau Intl flights
Busan to Pearson Intl flights
Incheon Intl to Yellowknife flights
Gimpo Intl to Winnipeg flights
Busan to Edmonton flights
Busan to Halifax flights
Incheon Intl to Thunder Bay 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 September 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 1,179AverageC$ 1,579FlexibilityNo cancel feeOn-time60%
Search WestJet flights
American AirlinesCheapestC$ 1,216AverageC$ 1,592FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air CanadaCheapestC$ 1,290AverageC$ 1,658FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Korean AirCheapestC$ 1,770AverageC$ 2,179FlexibilityNo cancel feeOn-time81%
Search Korean Air flights
Asiana AirlinesCheapestC$ 1,878AverageC$ 2,262FlexibilityNo 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.

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.