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$435+ Cheap flights from Ontario (ONT) to Seoul (SEL)

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 1/2. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — SEL
Nov 26 — Dec 31
Tue 11/26
Tue 12/3
1 adult, Economy
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Cheap flight deals from Ontario to Seoul

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Seoul (SEL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 21, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Popular in

June

Cheapest in

September

Round-trip from

$851
(Kiwi.com)

One-way from

$435
(Trip.com)
Provider with most accurate pricing for Ontario-Seoul (SEL) flight deals.
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Provider most trusted by Cheapflights users for Ontario-Seoul (SEL) flights.
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High demand for flights, 28% potential price rise
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Best time to find cheap flights, 21% potential price drop
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From Ontario to Seoul (SEL)
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One-way flight from Ontario to Seoul (SEL)
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Find flight deals from Ontario to Seoul

Cheapest flights from Ontario to Seoul
Explore the most affordable flight options available from Ontario to Seoul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 21, 2024.

This Kiwi.com deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/297:47 pmONT - ICN
1 stop31h 43mMultiple Airlines
Wed 2/126:55 pmICN - ONT
1 stop31h 39mMultiple Airlines
Deal found 11/20$851
This Booking.com deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/3010:05 amONT - ICN
1 stop40h 20mHawaiian Airlines
Fri 12/139:25 pmICN - ONT
1 stop17h 45mHawaiian Airlines
Deal found 11/20$1,062
This KAYAK deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/205:40 amONT - ICN
1 stop17h 15mKorean Air
Wed 11/278:05 pmICN - ONT
1 stop19h 40mKorean Air
Deal found 11/19$1,098
This American Airlines deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3112:45 pmONT - ICN
2 stops35h 00mAmerican Airlines
Tue 2/116:50 pmICN - ONT
2 stops31h 19mAmerican Airlines
Deal found 11/20$1,191
This Gurufare deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2710:45 pmONT - ICN
1 stop27h 30mChina Airlines
Wed 12/48:15 pmICN - ONT
1 stop37h 35mChina Airlines
Deal found 11/20$1,270
This United Airlines deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/46:00 amONT - ICN
1 stop17h 15mUnited Airlines
Wed 12/186:00 pmICN - ONT
1 stop13h 33mUnited Airlines
Deal found 11/19$1,295
This Delta deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/304:58 pmONT - ICN
2 stops30h 17mDelta
Mon 1/134:10 pmICN - ONT
2 stops24h 43mDelta
Deal found 11/20$1,532
This American Airlines deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/47:15 amONT - GMP
2 stops22h 05mMultiple Airlines
Tue 6/177:55 amGMP - ONT
2 stops25h 42mMultiple Airlines
Deal found 11/20$1,686
This oojo deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/56:00 amONT - ICN
2 stops42h 15mQatar Airways
Fri 12/137:40 pmICN - ONT
2 stops42h 24mQatar Airways
Deal found 11/20$1,695

Find flights from Ontario to Seoul within your budget

Customize your flight search to find flights from Ontario to Seoul 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 2,629,791 searches. Data last updated November 21, 2024.

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Fly to

Any airport

Route

Depart

Return

Price

OntarioIncheon

ONT - ICN

ONTICN

Ontario

Sun 12/29

7:47 pm-8:30 pm

1 stop31h 43m

Incheon Intl

Wed 2/12

6:55 pm-9:34 am

1 stop31h 39m

$851

OntarioIncheon

ONT - ICN

ONTICN

Ontario

Sun 3/2

11:59 pm-4:45 pm

1 stop23h 46m

Incheon Intl

Wed 3/19

5:50 pm-8:16 pm

1 stop18h 26m

$952

OntarioIncheon

ONT - ICN

ONTICN

Ontario

Sat 2/15

9:45 am-7:25 pm

1 stop40h 40m

Incheon Intl

Wed 2/26

9:25 pm-9:50 pm

1 stop17h 25m

$960

OntarioIncheon

ONT - ICN

ONTICN

Ontario

Wed 2/5

6:00 am-3:55 pm

1 stop16h 55m

Incheon Intl

Wed 4/30

4:40 pm-5:14 pm

1 stop16h 34m

$1,069

OntarioIncheon

ONT - ICN

ONTICN

Ontario

Mon 5/12

12:10 am-7:45 pm

1 stop27h 35m

Incheon Intl

Tue 6/17

12:35 pm-6:05 pm

1 stop21h 30m

$1,079

OntarioIncheon

ONT - ICN

ONTICN

Ontario

Mon 1/20

6:00 am-4:15 pm

1 stop17h 15m

Incheon Intl

Wed 2/19

8:05 pm-10:32 pm

1 stop19h 27m

$1,090

OntarioIncheon

ONT - ICN

ONTICN

Ontario

Wed 4/9

8:18 pm-4:20 am

1 stop16h 02m

Incheon Intl

Mon 5/5

11:30 am-9:59 am

1 stop14h 29m

$1,190

OntarioSeoul

ONT - GMP

ONTGMP

Ontario

Mon 1/13

6:00 am-10:55 am

2 stops35h 55m

Seoul Gimpo Intl

Mon 1/20

7:40 pm-8:13 pm

2 stops41h 33m

$1,261

OntarioSeoul

ONT - GMP

ONTGMP

Ontario

Wed 12/4

7:15 am-10:20 pm

2 stops22h 05m

Seoul Gimpo Intl

Tue 6/17

7:55 am-5:37 pm

2 stops25h 42m

$1,686

OntarioIncheon

ONT - ICN

ONTICN

Ontario

Thu 1/2

7:47 pm-8:30 pm

1 stop31h 43m

$435

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/20

Showing 1-10 of 20 results
1
2

Compare providers for flights from Ontario to Seoul

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Seoul in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Ontario-Seoul flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Seoul flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Seoul flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ontario-Seoul flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Seoul flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Ontario to Seoul

Have a flexible travel schedule? Discover the best time to fly to Seoul from Ontario 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.

Travel insights for flights from Ontario to Seoul

Get recent, data-driven insights about flights from Ontario to Seoul including ideal travel times, pricing trends, and more.

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

Currently, October is the cheapest month in which you can book a flight from Ontario to Seoul (average of $1,102). Flying from Ontario to Seoul in June is currently the most expensive (average of $1,708). 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 ONT to SEL?

Find hourly flight availability from Ontario to Seoul. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 21, 2024.

Unlike in the morning, when flights are generally more expensive, you can save up to 27% on flights from Ontario to Seoul by exploring options for tickets at noon.

Rainfall in Seoul by month

Plan your trip to Seoul by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Seoul ranges from 1.1 - 10.0 inches per month. July is typically the wettest month, when rainfall can reach 10.0 in. December is typically the driest time to visit Seoul when rainfall is around 1.1 in.

Temperature in Seoul by month

Plan your trip to Seoul by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Seoul, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing Seoul

Get insights into the airlines that provide service to Seoul. 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 Seoul. Reviews last updated November 21, 2024.
Peruse reviews from past customers who have flown with Hawaiian Airlines, Korean Air and China Airlines from Ontario to Seoul to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.5
Very good
1,025 reviews

Comfort

8.3

Entertainment

8.2

Boarding

8.5

Crew

8.7

Food

8.1

Overall

8.5

Reviews

1 / 10

Ticket counter agent need to be more patient. Food was not good. It was not good like in the past.. Cabin was too hot.

Korean Air
8.5
Very good
1,025 reviews
Korean Air
8.5
Very good
1,025 reviews

Comfort

8.3

Entertainment

8.2

Boarding

8.5

Crew

8.7

Food

8.1

Overall

8.5

Reviews

1 / 10

Ticket counter agent need to be more patient. Food was not good. It was not good like in the past.. Cabin was too hot.

Japan Airlines
8.3
Very good
1,460 reviews
Korean Air
8.5
Very good
1,025 reviews

Comfort

8.3

Entertainment

8.2

Boarding

8.5

Crew

8.7

Food

8.1

Overall

8.5

Reviews

1 / 10

Ticket counter agent need to be more patient. Food was not good. It was not good like in the past.. Cabin was too hot.

China Airlines
8.3
Very good
778 reviews
Korean Air
8.5
Very good
1,025 reviews

Comfort

8.3

Entertainment

8.2

Boarding

8.5

Crew

8.7

Food

8.1

Overall

8.5

Reviews

1 / 10

Ticket counter agent need to be more patient. Food was not good. It was not good like in the past.. Cabin was too hot.

Delta
8.0
Very good
8,758 reviews
Korean Air
8.5
Very good
1,025 reviews

Comfort

8.3

Entertainment

8.2

Boarding

8.5

Crew

8.7

Food

8.1

Overall

8.5

Reviews

1 / 10

Ticket counter agent need to be more patient. Food was not good. It was not good like in the past.. Cabin was too hot.

Hawaiian Airlines
7.9
Good
2,287 reviews
Korean Air
8.5
Very good
1,025 reviews

Comfort

8.3

Entertainment

8.2

Boarding

8.5

Crew

8.7

Food

8.1

Overall

8.5

Reviews

1 / 10

Ticket counter agent need to be more patient. Food was not good. It was not good like in the past.. Cabin was too hot.

Related info for your journey

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

  • What airport do you fly from for flights from Ontario to Seoul?

    Ontario (ONT), located 3.1 mi from the city center, is the airport you fly out of when you book flights from Ontario to Seoul. 1 airline have flights from Ontario to Seoul on a regular basis. Booking flights from Ontario to Seoul should not be difficult; the airport handles an average of 0 outbound flights to Seoul per day.

  • What are the cheapest airlines flying from Ontario to Seoul round-trip?

    According to our current data, American Airlines ($952), Hawaiian Airlines ($960), and Korean Air ($1,069) offers the cheapest pricing from Ontario to Seoul. American Airlines is 32% cheaper than the average price of flights available within the next 90 days to this destination.

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

    The cheapest airlines for a one-way flight from Ontario to Seoul are Hawaiian Airlines ($510), American Airlines ($553), and Korean Air ($594).

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Ontario to Seoul 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 Ontario to Seoul?

    Currently, October is the cheapest month in which you can book a flight from Ontario to Seoul (average of $1,102). Flying from Ontario to Seoul in June is currently the most expensive (average of $1,708). 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.

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Top airline flying from Ontario to Seoul

Discover the top airline that operate flights from Ontario to Seoul. 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 2,629,791 searches. Data last updated November 21, 2024.
AirlineCheapestAverageFlexibilityOn-time
China AirlinesCheapest$984Average$1,091FlexibilityNo cancel feeOn-time70%
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