Cheap flights from Ontario to Seoul from $458

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1 stop
Sun, Aug 3
Ontario ONTSeoul ICN

$458
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1 stop
Sun, Aug 3
Ontario ONTSeoul ICN

$497
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2 stops
Mon, Aug 4
Ontario ONTSeoul ICN

$515
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2 stops
Wed, Jul 30
Ontario ONTSeoul ICN

$538
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1 stop
Fri, Aug 1
Ontario ONTSeoul ICN

$542
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2 stops
Tue, Jul 29
Ontario ONTSeoul ICN

$551
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Prices updated:

1 stop
Sun, Aug 3 – Fri, Aug 8
Ontario ONTSeoul ICN

$1,151
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1 stop
Sun, Aug 3 – Fri, Aug 8
Ontario ONTSeoul ICN

$1,177
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2 stops
Mon, Aug 4 – Fri, Aug 8
Ontario ONTSeoul ICN

$1,200
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2 stops
Wed, Jul 30 – Mon, Aug 4
Ontario ONTSeoul ICN

$1,246
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1 stop
Mon, Aug 4 – Fri, Aug 8
Ontario ONTSeoul ICN

$1,362
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1 stop
Fri, Aug 1 – Tue, Aug 5
Ontario ONTSeoul ICN

$1,381
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Prices updated:

How much do flights to Seoul cost?

Key info about flying to Seoul

Depart from
Ontario International
Arrive to
Incheon International
Average flights per week
400
Flight distance
Worth visiting
Songdo - N Seoul Tower - Changdeokgung Palace Complex, South Korea

Check-in for a flight from Ontario to Seoul

NameCarrier codeIATA CodePassport needed during booking
Frontier AirlinesFFTF9No
All Nippon AirwaysANANHNo
Jin AirJNALJYes
Hawaiian AirlinesHALHANo
Korean AirKALKEYes

Weather in Seoul

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January1°C-5°C
February4°C-2°C
March10°C2°C
April17°C7°C
May22°C12°C
June27°C18°C
July28°C22°C
August29°C22°C
September25°C17°C
October19°C11°C
November11°C4°C
December2°C-3°C
Hottest Month
29°C
August
Coldest month
-5°C
January
Sunny days
292
days per year
Snow days
8
days per year

14 day forecast

Saturday
12 Jul
37°C23°C
19 Jul
33°C25°C
Sunday
13 Jul
33°C25°C
20 Jul
35°C25°C
Monday
14 Jul
86%
30°C21°C
21 Jul
37°C26°C
Tuesday
15 Jul
89%
32°C21°C
22 Jul
78%
29°C24°C
Wednesday
16 Jul
86%
29°C21°C
23 Jul
85%
27°C24°C
Thursday
17 Jul
86%
29°C22°C
24 Jul
31°C22°C
Friday
18 Jul
89%
33°C22°C
25 Jul
34°C23°C
Book your trip to arrive at Incheon International, or Gimpo International. The most popular airlines for this route are Frontier Airlines, All Nippon Airways, Jin Air, Hawaiian Airlines, and Korean Air. Ontario and Seoul have 400 direct flights per week. When you arrive at Seoul, consider visiting Songdo, N Seoul Tower, and Changdeokgung Palace Complex, South Korea.

Frequently asked questions

What are the most popular routes to and from Ontario?
What are the most popular routes to and from Seoul?
What airports are near Ontario?
What airports are near Seoul?
Which airlines fly between Ontario and Seoul?
When’s the best time to travel between Ontario and Seoul?
What flights operate between Ontario and Seoul?
How many airports are there near Ontario?
How many airports are there near Seoul?
What time do nonstop (direct) flights between Ontario and Seoul depart?
What time do nonstop (direct) flights between Ontario and Seoul arrive?
What time do flights between Ontario and Seoul depart?
What time do flights between Ontario and Seoul arrive?

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Flights from Ontario

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Popular routes

Other destination countries from Ontario

Here is a list of countries people are flying to

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