Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Ontario to Seoul from $395

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
12:07 pm - 9:40 pmONT  Ontario-ICN Incheon Intl
17h 33m1 stop San Francisco
Multiple Airlines Logo
7:15 pm - 7:36 pmICN  Incheon Intl-ONT Ontario
16h 21m1 stop San Francisco
$713Multiple Airlines
Fri, Sep 11 - Fri, Sep 25
Multiple Airlines Logo
12:07 pm - 9:40 pmONT  Ontario-ICN Incheon Intl
17h 33m1 stop San Francisco
Multiple Airlines Logo
7:15 pm - 7:36 pmICN  Incheon Intl-ONT Ontario
16h 21m1 stop San Francisco
$742Multiple Airlines
Fri, Sep 18 - Fri, Sep 25
Multiple Airlines Logo
8:00 am - 9:40 pmONT  Ontario-ICN Incheon Intl
21h 40m2 stops Las Vegas Harry Reid Intl San Francisco
Multiple Airlines Logo
7:15 pm - 7:36 pmICN  Incheon Intl-ONT Ontario
16h 21m1 stop San Francisco
$758Multiple Airlines
Fri, Sep 11 - Fri, Sep 25
Multiple Airlines Logo
12:07 pm - 9:40 pmONT  Ontario-ICN Incheon Intl
17h 33m1 stop San Francisco
Multiple Airlines Logo
7:15 pm - 4:34 pmICN  Incheon Intl-ONT Ontario
37h 19m2 stops San Francisco Las Vegas Harry Reid Intl
$766Multiple Airlines
Fri, Sep 18 - Fri, Sep 25
Multiple Airlines Logo
12:07 pm - 9:40 pmONT  Ontario-ICN Incheon Intl
17h 33m1 stop San Francisco
Multiple Airlines Logo
7:15 pm - 7:36 pmICN  Incheon Intl-ONT Ontario
16h 21m1 stop San Francisco
$768Multiple Airlines
Fri, Sep 18 - Fri, Sep 25
Multiple Airlines Logo
12:07 pm - 9:40 pmONT  Ontario-ICN Incheon Intl
17h 33m1 stop San Francisco
Multiple Airlines Logo
6:00 pm - 11:16 amICN  Incheon Intl-ONT Ontario
33h 16m2 stops San Francisco Las Vegas Harry Reid Intl
$772Multiple Airlines
Mon, Sep 14 - Sat, Oct 17
Multiple Airlines Logo
12:07 pm - 9:40 pmONT  Ontario-ICN Incheon Intl
17h 33m1 stop San Francisco
Multiple Airlines Logo
7:15 pm - 9:09 amICN  Incheon Intl-ONT Ontario
29h 54m2 stops San Francisco Las Vegas Harry Reid Intl
$778Multiple Airlines
Fri, Sep 18 - Fri, Sep 25
Multiple Airlines Logo
12:07 pm - 9:40 pmONT  Ontario-ICN Incheon Intl
17h 33m1 stop San Francisco
Multiple Airlines Logo
6:00 pm - 7:04 amICN  Incheon Intl-ONT Ontario
29h 04m2 stops San Francisco Las Vegas Harry Reid Intl
$786Multiple Airlines
Fri, Sep 18 - Sat, Sep 26
China Airlines Logo
12:10 am - 11:15 amONT  Ontario-ICN Incheon Intl
19h 05m1 stop Taipei City Taiwan Taoyuan Intl
China Airlines Logo
12:35 pm - 6:00 pmICN  Incheon Intl-ONT Ontario
21h 25m1 stop Taipei City Taiwan Taoyuan Intl
$920China Airlines
Mon, Sep 28 - Tue, Oct 6
China Airlines Logo
10:50 pm - 7:15 pmONT  Ontario-ICN Incheon Intl
27h 25m1 stop Taipei City Taiwan Taoyuan Intl
China Airlines Logo
8:15 pm - 5:05 pmICN  Incheon Intl-ONT Ontario
37h 50m1 stop Taipei City Taiwan Taoyuan Intl
$938China Airlines
Wed, Nov 11 - Fri, Nov 20

Save money when you book flights with momondo

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.
Search flight deals

China Airlines flights from Ontario to Seoul

Our best China Airlines deals on Ontario to Seoul flight tickets
China Airlines
Sep 28
ONT12:10 amOntario
19h 05m
1 stop
ICN11:15 amIncheon Intl
Oct 6
ICN12:35 pmIncheon Intl
21h 25m
1 stop
ONT6:00 pmOntario
$920
China Airlines
Nov 11
ONT10:50 pmOntario
27h 25m
1 stop
ICN7:15 pmIncheon Intl
Nov 20
ICN8:15 pmIncheon Intl
37h 50m
1 stop
ONT5:05 pmOntario
$938
China Airlines
Nov 6
ONT10:50 pmOntario
19h 30m
1 stop
ICN11:20 amIncheon Intl
Nov 23
ICN12:30 pmIncheon Intl
21h 35m
1 stop
ONT5:05 pmOntario
$941

Korean Air flights from Ontario to Seoul

Our best Korean Air deals on Ontario to Seoul flight tickets
Korean Air
Oct 5
ONT6:00 amOntario
18h 40m
1 stop
ICN4:40 pmIncheon Intl
Oct 26
ICN6:40 pmIncheon Intl
21h 15m
1 stop
ONT11:55 pmOntario
$1,011
Korean Air
Aug 31
ONT6:20 amOntario
18h 20m
1 stop
ICN4:40 pmIncheon Intl
Sep 9
ICN4:40 pmIncheon Intl
16h 39m
1 stop
ONT5:19 pmOntario
$1,161

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

OntarioIncheon

ONT Ontario - ICN Incheon Intl

ONTICN

Ontario

Fri 9/11

12:07 pm-9:40 pm

1 stop17h 33m

Incheon Intl

Fri 9/25

7:15 pm-7:36 pm

1 stop16h 21m

$713

OntarioIncheon

ONT Ontario - ICN Incheon Intl

ONTICN

Ontario

Fri 9/18

12:07 pm-9:40 pm

1 stop17h 33m

Incheon Intl

Fri 9/25

7:15 pm-7:36 pm

1 stop16h 21m

$742

OntarioIncheon

ONT Ontario - ICN Incheon Intl

ONTICN

Ontario

Fri 9/11

8:00 am-9:40 pm

2 stops21h 40m

Incheon Intl

Fri 9/25

7:15 pm-7:36 pm

1 stop16h 21m

$758

OntarioIncheon

ONT Ontario - ICN Incheon Intl

ONTICN

Ontario

Fri 9/18

12:07 pm-9:40 pm

1 stop17h 33m

Incheon Intl

Fri 9/25

7:15 pm-4:34 pm

2 stops37h 19m

$766

OntarioIncheon

ONT Ontario - ICN Incheon Intl

ONTICN

Ontario

Fri 9/18

12:07 pm-9:40 pm

1 stop17h 33m

Incheon Intl

Fri 9/25

7:15 pm-7:36 pm

1 stop16h 21m

$768

OntarioIncheon

ONT Ontario - ICN Incheon Intl

ONTICN

Ontario

Mon 9/14

12:07 pm-9:40 pm

1 stop17h 33m

Incheon Intl

Sat 10/17

6:00 pm-11:16 am

2 stops33h 16m

$772

OntarioIncheon

ONT Ontario - ICN Incheon Intl

ONTICN

Ontario

Fri 9/18

12:07 pm-9:40 pm

1 stop17h 33m

Incheon Intl

Fri 9/25

7:15 pm-9:09 am

2 stops29h 54m

$778

OntarioIncheon

ONT Ontario - ICN Incheon Intl

ONTICN

Ontario

Fri 9/18

12:07 pm-9:40 pm

1 stop17h 33m

Incheon Intl

Sat 9/26

6:00 pm-7:04 am

2 stops29h 04m

$786

OntarioIncheon

ONT Ontario - ICN Incheon Intl

ONTICN

Ontario

Mon 9/28

12:10 am-11:15 am

1 stop19h 05m

Incheon Intl

Tue 10/6

12:35 pm-6:00 pm

1 stop21h 25m

$920

OntarioIncheon

ONT Ontario - ICN Incheon Intl

ONTICN

Ontario

Wed 11/11

10:50 pm-7:15 pm

1 stop27h 25m

Incheon Intl

Fri 11/20

8:15 pm-5:05 pm

1 stop37h 50m

$938

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Seoul from

How to get the cheapest flight ticket from Ontario to Seoul

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 Seoul?

The month of September is another great option to travel to Seoul, with average flight prices from Ontario averaging around $860.

What is the cheapest day to depart on your flight to Seoul?

According to our data, Sunday is the cheapest day to fly to Seoul from Ontario. The lowest ticket price found for a Sunday departure recently was $778. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Seoul is Saturday, with ticket prices averaging around $919.

What is the cheapest time of day to depart on your flight to Seoul?

Flying to Seoul from Ontario in the evening is the least expensive time of day to depart. momondo users have found prices as low as $802 when looking at flights departing in the evening. At noon is when there is more demand to fly to Seoul, so prices are often more expensive at around $995 per ticket.

When to book flights from Ontario to Seoul

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

Cheap Ontario to Seoul (ONT to SEL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to Seoul

Best Price Found

$395

Fastest flight time

16h 52m

Direct flights

None
The best one-way flight to Seoul from Ontario in the past 72 hours is $395. The best round-trip flight deal from Ontario to Seoul found on momondo in the last 72 hours is $713.
The fastest flight from Ontario to Seoul takes 16h 52m
There are no direct flights from Ontario to Seoul. There are no popular flight routes from Ontario to Seoul.
Search flight deals

Frequently asked questions about flying from Ontario to Seoul

  • How far is Ontario to Seoul by plane?

    Seoul is 5976.3 mi away from Ontario. By plane, this route typically takes 16h 52m.

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

    Prices for flights from Ontario Airport to Seoul are updated daily.

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

  • How old do you have to be to fly from Ontario Airport to Seoul?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ontario Airport to Seoul.

  • What documentation or ID do you need to fly to Seoul?

    The necessary travel and health documents for your Seoul 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 Seoul?

Best airlines flying from Ontario to Seoul

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

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Ontario to Seoul for you.

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?

Once you have performed a search for Ontario to Seoul flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Of course. momondo tracks the price of Ontario to Seoul flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Seoul trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 9/19
Sat 9/26
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to South Korea

Fly into one of these airports located in Seoul

Seoul Gimpo Intl Airport
Incheon Intl Airport