Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Incheon Intl Airport to Los Angeles from $409

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Incheon Intl Airport to Los Angeles departing on 3/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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

Find the cheapest flights from Incheon Intl Airport to Los Angeles

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
5:00 pm - 5:35 pm
ICN
-
ONT
16h 35m
1 stop
United Airlines Logo
6:15 am - 3:15 pm
ONT
-
ICN
17h 00m
1 stop
$482United Airlines
lun., mar. 9 - mar., mar. 17
United Airlines Logo
11:45 am - 12:18 pm
ICN
-
ONT
16h 33m
1 stop
United Airlines Logo
1:27 pm - 4:20 am
ONT
-
ICN
22h 53m
1 stop
$485United Airlines
mar., mar. 24 - sáb., abr. 11
United Airlines Logo
5:00 pm - 5:41 pm
ICN
-
ONT
16h 41m
1 stop
United Airlines Logo
6:15 am - 4:40 am
ONT
-
ICN
30h 25m
1 stop
$486United Airlines
jue., mar. 12 - lun., mar. 16
United Airlines Logo
4:50 pm - 5:52 pm
ICN
-
ONT
17h 02m
1 stop
United Airlines Logo
6:00 am - 3:15 pm
ONT
-
ICN
17h 15m
1 stop
$551United Airlines
mar., may. 12 - mar., oct. 27
United Airlines Logo
11:45 am - 12:18 pm
ICN
-
ONT
16h 33m
1 stop
United Airlines Logo
11:05 am - 4:20 am
ONT
-
ICN
25h 15m
1 stop
$555United Airlines
mar., mar. 24 - mié., abr. 15
Hawaiian Airlines Logo
8:35 pm - 11:32 pm
ICN
-
ONT
18h 57m
1 stop
Hawaiian Airlines Logo
6:00 am - 6:35 pm
ONT
-
ICN
20h 35m
1 stop
$657Hawaiian Airlines
jue., mar. 12 - dom., mar. 22
United Airlines Logo
11:30 am - 12:20 pm
ICN
-
ONT
16h 50m
1 stop
United Airlines Logo
6:49 pm - 4:20 am
ONT
-
ICN
17h 31m
1 stop
$669United Airlines
mar., abr. 7 - jue., abr. 16
Lufthansa Logo
4:50 pm - 12:20 pm
ICN
-
ONT
35h 30m
1 stop
Lufthansa Logo
6:49 pm - 4:20 am
ONT
-
ICN
17h 31m
1 stop
$672Lufthansa
jue., abr. 16 - mié., abr. 29
Delta Logo
7:20 pm - 11:51 pm
ICN
-
ONT
20h 31m
1 stop
Delta Logo
7:00 am - 4:50 pm
ONT
-
ICN
17h 50m
1 stop
$674Delta
mar., abr. 7 - jue., abr. 30
United Airlines Logo
11:30 am - 10:45 pm
ICN
-
ONT
27h 15m
1 stop
United Airlines Logo
1:27 pm - 4:20 am
ONT
-
ICN
22h 53m
1 stop
$675United Airlines
vie., abr. 17 - sáb., abr. 25

United Airlines flights from Incheon Intl Airport to Ontario

Our best United Airlines deals on Incheon Intl Airport to Ontario flight tickets
United Airlines
Mar 3
ICN6:00 pmIncheon Intl
16h 41m
1 stop
ONT5:41 pmOntario
Mar 5
ONT6:15 amOntario
17h 00m
1 stop
ICN4:15 pmIncheon Intl
$481
United Airlines
Feb 28
ICN6:00 pmIncheon Intl
16h 41m
1 stop
ONT5:41 pmOntario
Mar 7
ONT1:50 pmOntario
32h 25m
2 stops
ICN3:15 pmIncheon Intl
$482
United Airlines
Mar 24
ICN11:45 amIncheon Intl
16h 33m
1 stop
ONT12:18 pmOntario
Apr 14
ONT1:34 pmOntario
22h 46m
2 stops
ICN4:20 amIncheon Intl
$485

Hawaiian Airlines flights from Incheon Intl Airport to Ontario

Our best Hawaiian Airlines deals on Incheon Intl Airport to Ontario flight tickets
Hawaiian Airlines
Mar 2
ICN8:35 pmIncheon Intl
19h 57m
1 stop
ONT11:32 pmOntario
Mar 6
ONT6:14 amOntario
19h 21m
1 stop
ICN6:35 pmIncheon Intl
$652
Hawaiian Airlines
Mar 12
ICN8:35 pmIncheon Intl
18h 57m
1 stop
ONT11:32 pmOntario
Mar 22
ONT6:00 amOntario
20h 35m
1 stop
ICN6:35 pmIncheon Intl
$657
Hawaiian Airlines
Mar 15
ICN8:35 pmIncheon Intl
18h 57m
1 stop
ONT11:32 pmOntario
Apr 1
ONT7:08 pmOntario
31h 27m
1 stop
ICN6:35 pmIncheon Intl
$680

momondo Fare Finder

 
Customize your flight search to find flights from Incheon Intl Airport to Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated febrero 27, 2026.
Use the filters below to find and compare flights from Incheon Intl Airport to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

IncheonOntario

ICN - ONT

ICNONT

Incheon Intl

lun. 3/9

5:00 pm-5:35 pm

1 stop16h 35m

Ontario

mar. 3/17

6:15 am-3:15 pm

1 stop17h 00m

$482

IncheonOntario

ICN - ONT

ICNONT

Incheon Intl

mar. 3/24

11:45 am-12:18 pm

1 stop16h 33m

Ontario

sáb. 4/11

1:27 pm-4:20 am

1 stop22h 53m

$485

IncheonOntario

ICN - ONT

ICNONT

Incheon Intl

jue. 3/12

5:00 pm-5:41 pm

1 stop16h 41m

Ontario

lun. 3/16

6:15 am-4:40 am

1 stop30h 25m

$486

IncheonOntario

ICN - ONT

ICNONT

Incheon Intl

mar. 5/12

4:50 pm-5:52 pm

1 stop17h 02m

Ontario

mar. 10/27

6:00 am-3:15 pm

1 stop17h 15m

$551

IncheonOntario

ICN - ONT

ICNONT

Incheon Intl

mar. 3/24

11:45 am-12:18 pm

1 stop16h 33m

Ontario

mié. 4/15

11:05 am-4:20 am

1 stop25h 15m

$555

IncheonOntario

ICN - ONT

ICNONT

Incheon Intl

jue. 3/12

8:35 pm-11:32 pm

1 stop18h 57m

Ontario

dom. 3/22

6:00 am-6:35 pm

1 stop20h 35m

$657

IncheonOntario

ICN - ONT

ICNONT

Incheon Intl

mar. 4/7

11:30 am-12:20 pm

1 stop16h 50m

Ontario

jue. 4/16

6:49 pm-4:20 am

1 stop17h 31m

$669

IncheonOntario

ICN - ONT

ICNONT

Incheon Intl

jue. 4/16

4:50 pm-12:20 pm

1 stop35h 30m

Ontario

mié. 4/29

6:49 pm-4:20 am

1 stop17h 31m

$672

IncheonOntario

ICN - ONT

ICNONT

Incheon Intl

mar. 4/7

7:20 pm-11:51 pm

1 stop20h 31m

Ontario

jue. 4/30

7:00 am-4:50 pm

1 stop17h 50m

$674

IncheonOntario

ICN - ONT

ICNONT

Incheon Intl

vie. 4/17

11:30 am-10:45 pm

1 stop27h 15m

Ontario

sáb. 4/25

1:27 pm-4:20 am

1 stop22h 53m

$675

Flights are sorted by cheapest round-trip flights first.

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

See travel insights to Los Angeles from

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

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 airline that flies from Incheon Intl to Ontario?

United Airlines and Asiana Airlines are the most popular carriers operating from Incheon Intl to Ontario

What airlines fly to Ontario?

AIR PREMIA, Asiana Airlines and Korean Air are the top three most popular airlines that fly to Ontario from Incheon Intl Airport according to our data. AIR PREMIA is the first choice among our users, with 51% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 8 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.

When to book flights from Incheon Intl Airport to Ontario

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

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

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

Fastest flight time

16h 33m

Direct flights

None
The fastest flight from Incheon Intl Airport to Ontario takes 16h 33m
There are no direct flights from Incheon Intl Airport to Ontario. There are no popular flight routes from Incheon Intl Airport to Ontario.
Search flight deals

  • How far is Incheon Intl to Ontario by plane?

    Incheon Intl and Ontario are 6003.0 mi apart from one another. 16h 33m is a normal flight duration for this route.

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

    Prices for flights from Incheon Intl Airport to Ontario Airport refresh daily.

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Incheon Intl Airport to Ontario Airport.

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

    The travel and health documents you'll need for your trip to Ontario Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ontario Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Seoul to Ontario. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. All flights to Ontario from Seoul on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search for Seoul to Ontario 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 Seoul to Ontario right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Ontario from Seoul. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Ontario 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
dom. 3/29
dom. 4/5
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States