Cheap flights from Seoul to Ontario from $382
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seoul to Ontario departing on 3/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Deals available from 900+ travel sites.
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Seoul to Los Angeles
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Cheap direct flights
Cheap bus & train deals from Seoul to Los Angeles
All round-trip flight deals from Seoul to Los Angeles
United Airlines flights from Seoul to Ontario
Our best United Airlines deals on Seoul to Ontario flight tickets
Qatar Airways flights from Seoul to Ontario
Our best Qatar Airways deals on Seoul to Ontario flight tickets
See travel insights to Los Angeles from
How to get the cheapest flight ticket from Seoul to Ontario
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest airline that flies from Seoul to Ontario?
United Airlines, China Airlines, and Hawaiian Airlines are the most popular carriers operating from Seoul to Ontario
What airlines fly to Ontario?
AIR PREMIA, Asiana Airlines and Korean Air are the top three most popular airlines that fly to Ontario from Seoul according to our data. AIR PREMIA is the first choice among our users, with 48% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 8 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.
When to book flights from Seoul to Ontario
Cheap Seoul to Ontario (SEL to ONT) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Seoul to Ontario
How far is Seoul to Ontario by plane?
Seoul and Ontario are 5976.3 mi apart from one another. By plane, this route typically takes 13h 29m.
When did momondo last update prices for flights from Seoul to Ontario Airport?
Prices for flights from Seoul to Ontario Airport refresh daily.
How many operators does momondo search for flights from Seoul to Ontario Airport?
As of January 2025, there is 1 operator available to choose from for flights from Seoul to Ontario Airport.
How old do you have to be to fly from Seoul to Ontario Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seoul to Ontario Airport.
What documentation or ID do you need to fly to Ontario Airport?
The required travel and health documents for your Ontario Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ontario Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
Best airlines flying from Seoul to Ontario
Compare and see reviews for airlines that fly from Seoul to Ontario with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $674 | Free Cancellation | Rating 7.4 8,975 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Seoul to Ontario?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Seoul to Ontario. Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from Seoul to Ontario with flexible booking policies on momondo?
Flights from Seoul to Ontario with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
How can momondo help me find flights from Seoul to Ontario?
momondo provides multiple filters to help you find the best flight to Ontario from Seoul. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from Seoul to Ontario right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Seoul to Ontario now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Ontario and let you know when they change.