Cheap flights from Seoul, South Korea to Ontario, CA

Flights starting at £406. Choose between ZIPAIR, Frontier Airlines, or Hawaiian Airlines to find the best price.

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Travelers usually depart from Incheon International, or Gimpo International when they travel from Seoul to Ontario. The most popular airlines for this route are ZIPAIR, Frontier Airlines, Hawaiian Airlines, Alaska Airlines, and Jeju Air. Seoul and Ontario have 278 direct flights per week.

Check-in for a flight from Seoul to Ontario

NameCarrier codeIATA CodePassport needed during bookingOnline check-in available
ZIPAIRTZPZGYesNo
Frontier AirlinesFFTF9NoOpens 24 days before flight
Closes 1 hours before flight
Hawaiian AirlinesHALHANoNo
Alaska AirlinesASAASNoOpens 24 days before flight
Closes 1 hours before flight
Jeju AirJJA7CNoNo

Weather in Ontario

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January18°C7°C
February18°C7°C
March20°C8°C
April23°C10°C
May25°C12°C
June29°C16°C
July33°C19°C
August33°C20°C
September32°C18°C
October27°C15°C
November22°C10°C
December17°C7°C
Hottest Month
33°C
August
Coldest month
7°C
February
Sunny days
340
days per year

14 day forecast

Thursday
13 Jun
28°C16°C
20 Jun
36°C20°C
Friday
14 Jun
32°C17°C
21 Jun
40°C23°C
Saturday
15 Jun
34°C20°C
22 Jun
41°C27°C
Sunday
16 Jun
30°C20°C
23 Jun
38°C26°C
Monday
17 Jun
26°C17°C
24 Jun
37°C23°C
Tuesday
18 Jun
30°C16°C
25 Jun
34°C22°C
Wednesday
19 Jun
33°C18°C
26 Jun
34°C22°C

Frequently asked questions

What are the most popular routes to and from Seoul?
What are the most popular routes to and from Ontario?
Which airports are there in Seoul?
What airports are near Seoul?
What airports are near Ontario?
Is it possible to combine flights, buses, and trains in one itinerary when traveling between Seoul and Ontario?
What is Virtual Interlining and how do I use it?
Which airlines fly between Seoul and Ontario?
When's the best time to travel between Seoul and Ontario?
What flights operate between Seoul and Ontario?
How many airports are there near Seoul?
How many airports are there near Ontario?
What time do nonstop (direct) flights between Seoul and Ontario depart?
What time do nonstop (direct) flights between Seoul and Ontario arrive?
What time do flights between Seoul and Ontario depart?
What time do flights between Seoul and Ontario arrive?

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