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Cheap flights from Ontario to Seoul from $376

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Ontario to Seoul

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
12:01 pm - 9:40 pmONT  Ontario-ICN Incheon Intl
17h 39m1 stop San Francisco
Multiple Airlines Logo
7:45 pm - 7:28 pmICN  Incheon Intl-ONT Ontario
16h 43m1 stop San Francisco
$819Multiple Airlines
Fri, Oct 23 - Fri, Nov 6
Multiple Airlines Logo
12:01 pm - 9:20 pmONT  Ontario-ICN Incheon Intl
17h 19m1 stop San Francisco
Multiple Airlines Logo
7:45 pm - 4:21 pmICN  Incheon Intl-ONT Ontario
37h 36m2 stops San Francisco Las Vegas Harry Reid Intl
$836Multiple Airlines
Mon, Oct 26 - Sat, Nov 7
Multiple Airlines Logo
12:01 pm - 9:40 pmONT  Ontario-ICN Incheon Intl
17h 39m1 stop San Francisco
Multiple Airlines Logo
7:45 pm - 7:28 pmICN  Incheon Intl-ONT Ontario
15h 43m1 stop San Francisco
$849Multiple Airlines
Fri, Oct 23 - Fri, Oct 30
Multiple Airlines Logo
12:07 pm - 9:40 pmONT  Ontario-ICN Incheon Intl
17h 33m1 stop San Francisco
Multiple Airlines Logo
7:15 pm - 2:34 pmICN  Incheon Intl-ONT Ontario
35h 19m2 stops San Francisco Las Vegas Harry Reid Intl
$858Multiple Airlines
Mon, Sep 28 - Wed, Oct 14
Multiple Airlines Logo
12:01 pm - 9:20 pmONT  Ontario-ICN Incheon Intl
17h 19m1 stop San Francisco
Multiple Airlines Logo
7:45 pm - 11:16 amICN  Incheon Intl-ONT Ontario
32h 31m2 stops San Francisco Las Vegas Harry Reid Intl
$863Multiple Airlines
Fri, Oct 30 - Sat, Nov 14
Multiple Airlines Logo
12:01 pm - 9:40 pmONT  Ontario-ICN Incheon Intl
17h 39m1 stop San Francisco
Multiple Airlines Logo
7:45 pm - 7:28 pmICN  Incheon Intl-ONT Ontario
15h 43m1 stop San Francisco
$899Multiple Airlines
Fri, Oct 23 - Fri, Oct 30
China Airlines Logo
10:50 pm - 11:20 amONT  Ontario-ICN Incheon Intl
19h 30m1 stop Taipei City Taiwan Taoyuan Intl
China Airlines Logo
8:15 pm - 6:05 pmICN  Incheon Intl-ONT Ontario
37h 50m1 stop Taipei City Taiwan Taoyuan Intl
$902China Airlines
Mon, Mar 1 - Tue, Mar 16
Multiple Airlines Logo
12:07 pm - 9:40 pmONT  Ontario-ICN Incheon Intl
17h 33m1 stop San Francisco
Multiple Airlines Logo
7:45 pm - 11:16 amICN  Incheon Intl-ONT Ontario
32h 31m2 stops San Francisco Las Vegas Harry Reid Intl
$902Multiple Airlines
Fri, Oct 2 - Sat, Nov 14
China Airlines Logo
10:50 pm - 11:20 amONT  Ontario-ICN Incheon Intl
19h 30m1 stop Taipei City Taiwan Taoyuan Intl
China Airlines Logo
8:05 pm - 6:00 pmICN  Incheon Intl-ONT Ontario
37h 55m1 stop Taipei City Taiwan Taoyuan Intl
$903China Airlines
Tue, Mar 2 - Tue, May 4
China Airlines Logo
10:50 pm - 11:20 amONT  Ontario-ICN Incheon Intl
19h 30m1 stop Taipei City Taiwan Taoyuan Intl
China Airlines Logo
12:30 pm - 5:05 pmICN  Incheon Intl-ONT Ontario
21h 35m1 stop Taipei City Taiwan Taoyuan Intl
$918China Airlines
Sat, Feb 20 - Fri, Mar 12

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China Airlines flights from Ontario to Incheon Intl Airport

Our best China Airlines deals on Ontario to Incheon Intl Airport flight tickets
China Airlines
Mar 2
ONT10:50 pmOntario
19h 30m
1 stop
ICN11:20 amIncheon Intl
May 4
ICN8:05 pmIncheon Intl
37h 55m
1 stop
ONT6:00 pmOntario
$903
China Airlines
Mar 1
ONT10:50 pmOntario
19h 30m
1 stop
ICN11:20 amIncheon Intl
Mar 15
ICN12:30 pmIncheon Intl
21h 35m
1 stop
ONT6:05 pmOntario
$918
China Airlines
Mar 1
ONT10:50 pmOntario
27h 25m
1 stop
ICN7:15 pmIncheon Intl
Mar 17
ICN8:15 pmIncheon Intl
37h 50m
1 stop
ONT6:05 pmOntario
$939

Alaska Airlines flights from Ontario to Incheon Intl Airport

Our best Alaska Airlines deals on Ontario to Incheon Intl Airport flight tickets
Alaska Airlines
Sep 14
ONT6:02 amOntario
19h 28m
1 stop
ICN5:30 pmIncheon Intl
Sep 28
ICN7:35 pmIncheon Intl
19h 49m
1 stop
ONT11:24 pmOntario
$1,009
Alaska Airlines
Sep 24
ONT6:02 amOntario
19h 28m
1 stop
ICN5:30 pmIncheon Intl
Oct 16
ICN7:35 pmIncheon Intl
14h 25m
1 stop
ONT6:00 pmOntario
$1,011
Alaska Airlines
Sep 23
ONT6:02 amOntario
19h 28m
1 stop
ICN5:30 pmIncheon Intl
Oct 8
ICN7:35 pmIncheon Intl
14h 25m
1 stop
ONT6:00 pmOntario
$1,018

momondo Fare Finder

 
Use the filters below to find and compare flights from Ontario to Incheon Intl Airport that are best for you.

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Route

Depart

Return

Price

Cheapest round-trip

OntarioIncheon

ONT Ontario - ICN Incheon Intl

ONTICN

Ontario

Fri 10/23

12:01 pm-9:40 pm

1 stop17h 39m

Incheon Intl

Fri 11/6

7:45 pm-7:28 pm

1 stop16h 43m

$819

OntarioIncheon

ONT Ontario - ICN Incheon Intl

ONTICN

Ontario

Mon 10/26

12:01 pm-9:20 pm

1 stop17h 19m

Incheon Intl

Sat 11/7

7:45 pm-4:21 pm

2 stops37h 36m

$836
Quickest round-trip

OntarioIncheon

ONT Ontario - ICN Incheon Intl

ONTICN

Ontario

Fri 10/23

12:01 pm-9:40 pm

1 stop17h 39m

Incheon Intl

Fri 10/30

7:45 pm-7:28 pm

1 stop15h 43m

$849

OntarioIncheon

ONT Ontario - ICN Incheon Intl

ONTICN

Ontario

Mon 9/28

12:07 pm-9:40 pm

1 stop17h 33m

Incheon Intl

Wed 10/14

7:15 pm-2:34 pm

2 stops35h 19m

$858

OntarioIncheon

ONT Ontario - ICN Incheon Intl

ONTICN

Ontario

Fri 10/30

12:01 pm-9:20 pm

1 stop17h 19m

Incheon Intl

Sat 11/14

7:45 pm-11:16 am

2 stops32h 31m

$863

OntarioIncheon

ONT Ontario - ICN Incheon Intl

ONTICN

Ontario

Fri 10/23

12:01 pm-9:40 pm

1 stop17h 39m

Incheon Intl

Fri 10/30

7:45 pm-7:28 pm

1 stop15h 43m

$899

OntarioIncheon

ONT Ontario - ICN Incheon Intl

ONTICN

Ontario

Mon 3/1

10:50 pm-11:20 am

1 stop19h 30m

Incheon Intl

Tue 3/16

8:15 pm-6:05 pm

1 stop37h 50m

$902

OntarioIncheon

ONT Ontario - ICN Incheon Intl

ONTICN

Ontario

Fri 10/2

12:07 pm-9:40 pm

1 stop17h 33m

Incheon Intl

Sat 11/14

7:45 pm-11:16 am

2 stops32h 31m

$902

OntarioIncheon

ONT Ontario - ICN Incheon Intl

ONTICN

Ontario

Tue 3/2

10:50 pm-11:20 am

1 stop19h 30m

Incheon Intl

Tue 5/4

8:05 pm-6:00 pm

1 stop37h 55m

$903

OntarioIncheon

ONT Ontario - ICN Incheon Intl

ONTICN

Ontario

Sat 2/20

10:50 pm-11:20 am

1 stop19h 30m

Incheon Intl

Fri 3/12

12:30 pm-5:05 pm

1 stop21h 35m

$918

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Seoul from

How to get the cheapest flight ticket from Ontario to Incheon Intl Airport

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 month to fly to Incheon Intl Airport?

The cheapest month to fly to Incheon Intl Airport from Ontario is in January. Flight prices, which tend to average around $0, are often lower during this time because this is during the off-season. If you are unable to visit Incheon Intl Airport during the month of January, then departing from Ontario during the month September is also very affordable. Most momondo users find prices during this month for around $860.

What is the cheapest day to depart on your flight to Incheon Intl Airport?

The cheapest day to depart from Ontario to Incheon Intl Airport is on a Tuesday when prices can be found for as low as $788. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $920. These prices are subject to change though, so be sure to set up a Price Alert for flights to Incheon Intl Airport.

What is the cheapest time of day to depart on your flight to Incheon Intl Airport?

In the evening is the cheapest time of day to fly from Ontario to Incheon Intl Airport when you can find flight prices for as low as $805. Flying to Incheon Intl Airport in the evening is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $968 on average. Flights to Incheon Intl Airport from Ontario at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

When to book flights from Ontario to Incheon Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Ontario to Incheon Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Ontario to Incheon Intl Airport (ONT to ICN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to Incheon Intl Airport

Best Price Found

$376

Fastest flight time

16h 52m

Direct flights

None
The best one-way flight to Incheon Intl Airport from Ontario in the past 72 hours is $376. The best round-trip flight deal from Ontario to Incheon Intl Airport found on momondo in the last 72 hours is $819.
The fastest flight from Ontario to Incheon Intl Airport takes 16h 52m
There are no direct flights from Ontario to Incheon Intl Airport. There are no popular flight routes from Ontario to Incheon Intl Airport.
Search flight deals

Frequently asked questions about flying from Ontario to Incheon Intl Airport

  • How far is Ontario to Incheon Intl by plane?

    The distance between Ontario and Incheon Intl is about 6003.0 mi. Flights usually cover this in 16h 52m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Ontario Airport to Incheon Intl Airport?

    Prices for flights from Ontario Airport to Incheon Intl Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Ontario Airport to Incheon Intl Airport?

  • How old do you have to be to fly from Ontario Airport to Incheon Intl 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 Ontario Airport to Incheon Intl Airport.

  • What documentation or ID do you need to fly to Incheon Intl Airport?

    The necessary travel and health documents for your Incheon Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Ontario to Incheon Intl Airport?

Best airlines flying from Ontario to Incheon Intl Airport

Compare and see reviews for airlines that fly from Ontario to Incheon Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
China AirlinesPriceFrom $860Free CancellationRating
8.3
844 reviews
Search China Airlines flights

Traveling to a place near Seoul?

Book flights to Seoul if you plan to visit one of these locations
Daejeon
Suwon
Seongnam
Anyang

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Seoul?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Seoul from Ontario.

Can I find flights from Ontario to Seoul with flexible booking policies on momondo?

momondo does allow users to show only those flights to Seoul from Ontario which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Ontario to Seoul?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Ontario to Seoul.

I’m not ready to book a flight from Ontario to Seoul right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Ontario to Seoul flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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