$397+ 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 2/16. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from Ontario to Seoul with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.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 January 22, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $771 (Trip.com) |
One-way from | $397 (Trip.com) |
Popular in | December |
Cheapest in | February |
Average price | $1,393 |
Find flight deals from Ontario to Seoul
Cheapest flights from Ontario to SeoulExplore 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 January 22, 2025.
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 January 22, 2025.
This Trip.com deal was found by Cheapflights users on 1/22. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This American Airlines deal was found by Cheapflights users on 1/22. 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.
This oojo deal was found by Cheapflights users on 1/22. 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.
This Hawaiian Airlines deal was found by Cheapflights users on 1/21. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This ScholarTrip deal was found by Cheapflights users on 1/22. 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 ScholarTrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Delta deal was found by Cheapflights users on 1/22. 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.
This Ovago deal was found by Cheapflights users on 1/21. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This United Airlines deal was found by Cheapflights users on 1/22. 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.
This Mytrip deal was found by Cheapflights users on 1/22. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
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 2,558,603 searches. Data last updated January 22, 2025.
Fly from
Fly to
Route
Depart
Return
Price
OntarioIncheon
ONT - ICN
ONTICN
Ontario
Mon 2/10
6:45 am-5:55 pm
1 stop18h 10m
Incheon Intl
Mon 2/24
8:50 pm-11:59 pm
2 stops44h 09m
OntarioIncheon
ONT - ICN
ONTICN
Ontario
Sun 2/2
11:59 pm-4:45 pm
1 stop23h 46m
Incheon Intl
Sun 2/9
6:50 pm-10:16 pm
1 stop20h 26m
OntarioIncheon
ONT - ICN
ONTICN
Ontario
Mon 3/10
11:45 pm-11:20 am
1 stop19h 35m
Incheon Intl
Wed 3/26
12:25 pm-5:50 pm
1 stop21h 25m
OntarioIncheon
ONT - ICN
ONTICN
Ontario
Tue 3/11
8:50 am-7:25 pm
1 stop18h 35m
Incheon Intl
Wed 3/19
9:25 pm-8:55 pm
1 stop15h 30m
OntarioIncheon
ONT - ICN
ONTICN
Ontario
Mon 2/10
6:00 am-3:55 pm
1 stop16h 55m
Incheon Intl
Thu 2/27
4:10 pm-3:25 pm
1 stop16h 15m
OntarioIncheon
ONT - ICN
ONTICN
Ontario
Tue 2/4
6:00 am-4:15 pm
1 stop17h 15m
Incheon Intl
Tue 2/11
4:10 pm-3:25 pm
1 stop16h 15m
OntarioIncheon
ONT - ICN
ONTICN
Ontario
Tue 3/11
6:00 am-3:15 pm
1 stop17h 15m
Incheon Intl
Thu 3/27
11:45 am-9:54 am
1 stop14h 09m
OntarioSeoul
ONT - GMP
ONTGMP
Ontario
Tue 4/1
12:10 am-6:30 pm
2 stops26h 20m
Seoul Gimpo Intl
Wed 4/9
8:20 am-6:00 pm
2 stops25h 40m
OntarioSeoul
ONT - GMP
ONTGMP
Ontario
Fri 4/4
6:00 am-10:00 pm
2 stops24h 00m
Seoul Gimpo Intl
Wed 4/16
7:20 pm-6:23 pm
2 stops39h 03m
OntarioIncheon
ONT - ICN
ONTICN
Ontario
Sun 2/16
8:26 am-8:30 pm
1 stop19h 04m
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 January.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- 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.
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 $1,086). Flying from Ontario to Seoul in June is currently the most expensive (average of $1,722). 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 January 22, 2025.
Unlike in the morning, when flights are generally more expensive, you can save up to 24% 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 January 22, 2025.
Peruse reviews from past customers who have flown with China Airlines and United 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.
Crew
Food
Comfort
Overall
Entertainment
Boarding
Reviews
Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.
Crew
Food
Comfort
Overall
Entertainment
Boarding
Reviews
Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.
Crew
Food
Comfort
Overall
Entertainment
Boarding
Reviews
Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.