Flights from Ontario International Airport to Seoul

Flight deals from Ontario International Airport to Seoul

Looking for cheap tickets from Ontario International Airport to Seoul, or a last-minute trip? Find the lowest prices on one-way and return tickets right here.

Seoul.HK$6,751 per passenger.Departing Thu, 16 Oct, returning Sun, 2 Nov.Return flight with Frontier Airlines and Air Premia.Outbound indirect flight with Frontier Airlines, departs from Ontario International on Thu, 16 Oct, arriving in Incheon International.Inbound indirect flight with Air Premia, departs from Incheon International on Sun, 2 Nov, arriving in Ontario International.Price includes taxes and charges.From HK$6,751, select.

Flying from Ontario International Airport to Seoul

Arm yourself with these facts on the fly.

Cheapest flight found	HK$6,751, Seoul
Cheapest month to fly	October

How to find cheap flights from Ontario International Airport to Seoul

We've compared the best online travel agents and flight providers on the internet to find the cheapest plane tickets from Ontario International Airport to Seoul. Other savvy travellers recently found return flights from HK$6,751 and one-way tickets from HK$3,454. Ready to join them? Here are a few tips to help you do it the smart way.

Fly in October

The cheapest time to fly from Ontario International Airport to Seoul is currently October.

Fly on a Thursday

From our data, we can see that Thursday seems to be the cheapest time to fly from Ontario International Airport to Seoul.

Flex your dates for the best rates

If you’re flexible on your departure dates, you can use Skyscanner's whole month tool to find the cheapest day of the year to fly from Ontario International Airport to anywhere you choose in Seoul.

Watch as fares rise and fall

With Price Alerts, we'll let you know when flight prices from Ontario International Airport to your chosen airport in Seoul go up or down so you can book when the time is just right.

Relax – these are fee-free flight tickets

With us, there are no added fees – the Ontario International Airport to Seoul flight price you see when you search with us is what you pay to the provider.

Frequently asked questions

What is the average price of a flight from Ontario International Airport to Seoul?

We looked at all of the upcoming return flights from Ontario International Airport to Seoul we could find over the next 12 months. It looks like HK$6,751 is the best price. This is good, compared to the average Seoul ticket price of HK$6,751.

What is the cheapest month to fly from Ontario International Airport to Seoul?

The cheapest month to fly from Ontario International Airport to Seoul is currently October.

Which upcoming date is cheapest to fly from Ontario International Airport to Seoul on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Ontario International Airport to Seoul on Thursday, 16 October 2025.

If I'm flying from Ontario International Airport, where in Seoul is cheapest to fly into?

If you're flying from Ontario International, the cheapest city in Seoul to fly into is Seoul. The cheapest airport serving Seoul at the moment is Incheon International.