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Cheap flights from Incheon Intl Airport to Los Angeles from $370

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Incheon Intl Airport to Los Angeles

Cheap round-trip flights

Enter your travel dates to find the best prices.
Lufthansa Logo
6:00 pm - 3:33 pmICN  Incheon Intl-ONT Ontario
14h 33m1 stop San Francisco
Lufthansa Logo
6:00 am - 4:15 pmONT  Ontario-ICN Incheon Intl
17h 15m1 stop San Francisco
$877Lufthansa
Thu, Nov 12 - Wed, Nov 25
United Airlines Logo
6:00 pm - 3:33 pmICN  Incheon Intl-ONT Ontario
14h 33m1 stop San Francisco
United Airlines Logo
6:00 am - 4:15 pmONT  Ontario-ICN Incheon Intl
17h 15m1 stop San Francisco
$879United Airlines
Wed, Nov 18 - Wed, Nov 25
United Airlines Logo
12:45 pm - 10:22 amICN  Incheon Intl-ONT Ontario
14h 37m1 stop San Francisco
United Airlines Logo
7:45 am - 4:15 pmONT  Ontario-ICN Incheon Intl
15h 30m1 stop San Francisco
$879United Airlines
Wed, Feb 24 - Tue, Mar 2
United Airlines Logo
12:45 pm - 10:22 amICN  Incheon Intl-ONT Ontario
14h 37m1 stop San Francisco
United Airlines Logo
7:45 am - 4:15 pmONT  Ontario-ICN Incheon Intl
15h 30m1 stop San Francisco
$879United Airlines
Tue, Feb 23 - Wed, Mar 3
United Airlines Logo
12:45 pm - 5:46 pmICN  Incheon Intl-ONT Ontario
22h 01m1 stop San Francisco
United Airlines Logo
1:45 pm - 5:40 amONT  Ontario-ICN Incheon Intl
22h 55m2 stops Denver Intl San Francisco
$879United Airlines
Thu, Dec 24 - Tue, Feb 23
United Airlines Logo
6:00 pm - 3:33 pmICN  Incheon Intl-ONT Ontario
14h 33m1 stop San Francisco
United Airlines Logo
6:00 am - 4:15 pmONT  Ontario-ICN Incheon Intl
17h 15m1 stop San Francisco
$879United Airlines
Thu, Nov 19 - Wed, Nov 25
United Airlines Logo
12:45 pm - 3:21 pmICN  Incheon Intl-ONT Ontario
19h 36m1 stop San Francisco
United Airlines Logo
7:45 am - 4:15 pmONT  Ontario-ICN Incheon Intl
15h 30m1 stop San Francisco
$879United Airlines
Thu, Feb 11 - Tue, Feb 16
United Airlines Logo
6:00 pm - 3:33 pmICN  Incheon Intl-ONT Ontario
14h 33m1 stop San Francisco
United Airlines Logo
6:00 am - 4:15 pmONT  Ontario-ICN Incheon Intl
17h 15m1 stop San Francisco
$879United Airlines
Wed, Nov 18 - Tue, Nov 24
United Airlines Logo
6:00 pm - 9:17 pmICN  Incheon Intl-ONT Ontario
20h 17m2 stops San Francisco Denver Intl
United Airlines Logo
1:45 pm - 5:40 amONT  Ontario-ICN Incheon Intl
22h 55m2 stops Denver Intl San Francisco
$879United Airlines
Wed, Feb 24 - Wed, Mar 3
United Airlines Logo
12:45 pm - 12:29 pmICN  Incheon Intl-ONT Ontario
16h 44m1 stop San Francisco
United Airlines Logo
6:00 am - 4:15 pmONT  Ontario-ICN Incheon Intl
17h 15m1 stop San Francisco
$879United Airlines
Wed, Nov 11 - Sun, Nov 22

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United Airlines flights from Incheon Intl Airport to Ontario

Our best United Airlines deals on Incheon Intl Airport to Ontario flight tickets
United Airlines
Feb 24
ICN6:00 pmIncheon Intl
20h 17m
2 stops
ONT9:17 pmOntario
Mar 3
ONT1:45 pmOntario
22h 55m
2 stops
ICN5:40 amIncheon Intl
$879
United Airlines
Nov 9
ICN12:45 pmIncheon Intl
16h 44m
1 stop
ONT12:29 pmOntario
Dec 6
ONT6:40 pmOntario
18h 00m
1 stop
ICN5:40 amIncheon Intl
$880
United Airlines
Dec 14
ICN12:45 pmIncheon Intl
13h 53m
1 stop
ONT9:38 amOntario
Jan 20
ONT1:42 pmOntario
22h 58m
2 stops
ICN5:40 amIncheon Intl
$881

Delta flights from Incheon Intl Airport to Ontario

Our best Delta deals on Incheon Intl Airport to Ontario flight tickets
Delta
Nov 16
ICN6:45 pmIncheon Intl
15h 31m
1 stop
ONT5:16 pmOntario
Nov 24
ONT7:00 amOntario
17h 45m
1 stop
ICN5:45 pmIncheon Intl
$991
Delta
Nov 19
ICN6:45 pmIncheon Intl
15h 31m
1 stop
ONT5:16 pmOntario
Dec 2
ONT7:00 amOntario
17h 45m
1 stop
ICN5:45 pmIncheon Intl
$993
Delta
Nov 12
ICN6:45 pmIncheon Intl
33h 32m
1 stop
ONT11:17 amOntario
Nov 25
ONT7:00 amOntario
17h 45m
1 stop
ICN5:45 pmIncheon Intl
$999

momondo Fare Finder

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

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Route

Depart

Return

Price

Cheapest round-trip

IncheonOntario

ICN Incheon Intl - ONT Ontario

ICNONT

Incheon Intl

Thu 11/12

6:00 pm-3:33 pm

1 stop14h 33m

Ontario

Wed 11/25

6:00 am-4:15 pm

1 stop17h 15m

$877

IncheonOntario

ICN Incheon Intl - ONT Ontario

ICNONT

Incheon Intl

Wed 11/18

6:00 pm-3:33 pm

1 stop14h 33m

Ontario

Wed 11/25

6:00 am-4:15 pm

1 stop17h 15m

$879
Quickest round-trip

IncheonOntario

ICN Incheon Intl - ONT Ontario

ICNONT

Incheon Intl

Wed 2/24

12:45 pm-10:22 am

1 stop14h 37m

Ontario

Tue 3/2

7:45 am-4:15 pm

1 stop15h 30m

$879

IncheonOntario

ICN Incheon Intl - ONT Ontario

ICNONT

Incheon Intl

Tue 2/23

12:45 pm-10:22 am

1 stop14h 37m

Ontario

Wed 3/3

7:45 am-4:15 pm

1 stop15h 30m

$879

IncheonOntario

ICN Incheon Intl - ONT Ontario

ICNONT

Incheon Intl

Thu 12/24

12:45 pm-5:46 pm

1 stop22h 01m

Ontario

Tue 2/23

1:45 pm-5:40 am

2 stops22h 55m

$879

IncheonOntario

ICN Incheon Intl - ONT Ontario

ICNONT

Incheon Intl

Thu 11/19

6:00 pm-3:33 pm

1 stop14h 33m

Ontario

Wed 11/25

6:00 am-4:15 pm

1 stop17h 15m

$879

IncheonOntario

ICN Incheon Intl - ONT Ontario

ICNONT

Incheon Intl

Thu 2/11

12:45 pm-3:21 pm

1 stop19h 36m

Ontario

Tue 2/16

7:45 am-4:15 pm

1 stop15h 30m

$879

IncheonOntario

ICN Incheon Intl - ONT Ontario

ICNONT

Incheon Intl

Wed 11/18

6:00 pm-3:33 pm

1 stop14h 33m

Ontario

Tue 11/24

6:00 am-4:15 pm

1 stop17h 15m

$879

IncheonOntario

ICN Incheon Intl - ONT Ontario

ICNONT

Incheon Intl

Wed 2/24

6:00 pm-9:17 pm

2 stops20h 17m

Ontario

Wed 3/3

1:45 pm-5:40 am

2 stops22h 55m

$879

IncheonOntario

ICN Incheon Intl - ONT Ontario

ICNONT

Incheon Intl

Wed 11/11

12:45 pm-12:29 pm

1 stop16h 44m

Ontario

Sun 11/22

6:00 am-4:15 pm

1 stop17h 15m

$879

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 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 airlines fly to Ontario?

AIR PREMIA, Asiana Airlines and United Airlines 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 55% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 6 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

Best Price Found

$370

Fastest flight time

14h 15m

Direct flights

None
The best one-way flight to Ontario from Incheon Intl Airport in the past 72 hours is $370. The best round-trip flight deal from Incheon Intl Airport to Ontario found on momondo in the last 72 hours is $877.
The fastest flight from Incheon Intl Airport to Ontario takes 14h 15m
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

Frequently asked questions about flying from Incheon Intl Airport to Ontario

  • How far is Incheon Intl to Ontario by plane?

    Incheon Intl and Ontario are 6003.0 mi apart from one another. 14h 15m 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.

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