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.

$362 Cheap Flights from Incheon Intl Airport to Ontario in 2025/26

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Find the cheapest flights from Incheon Intl Airport to Los Angeles

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12:45 pm - 5:34 pmICN-ONT

21h 49m1 stop

8:38 pm - 5:40 amONT-ICN

16h 02m1 stop

$511United Airlines

Find Deal

mer, nov 26 - ven, nov 28

12:45 pm - 12:17 pmICN-ONT

16h 32m1 stop

1:45 pm - 5:40 amONT-ICN

22h 55m2 stops

$512United Airlines

Find Deal

lun, feb 9 - dom, feb 15

8:35 pm - 12:14 amICN-ONT

20h 39m1 stop

4:03 pm - 6:35 pmONT-ICN

33h 32m1 stop

$560Hawaiian Airlines

Find Deal

lun, dic 22 - mar, gen 27

8:35 pm - 12:14 amICN-ONT

20h 39m1 stop

6:00 am - 6:35 pmONT-ICN

19h 35m1 stop

$576Alaska Airlines

Find Deal

dom, dic 21 - dom, gen 25

8:35 pm - 11:56 pmICN-ONT

20h 21m1 stop

6:00 am - 6:35 pmONT-ICN

19h 35m1 stop

$580Alaska Airlines

Find Deal

dom, feb 8 - gio, feb 19

8:05 pm - 10:33 pmICN-ONT

19h 28m2 stops

7:30 am - 4:30 pmONT-ICN

16h 00m1 stop

$588Delta

Find Deal

mer, dic 24 - mer, gen 28

8:05 pm - 5:08 pmICN-ONT

14h 03m1 stop

7:30 am - 4:30 pmONT-ICN

16h 00m1 stop

$590Delta

Find Deal

mer, dic 24 - mar, gen 6

4:10 pm - 5:09 pmICN-ONT

17h 59m1 stop

6:00 am - 4:20 pmONT-ICN

17h 20m1 stop

$638Korean Air

Find Deal

gio, nov 20 - lun, nov 24

7:40 pm - 11:53 pmICN-ONT

21h 13m1 stop

7:00 am - 4:40 pmONT-ICN

17h 40m1 stop

$658Korean Air

Find Deal

mar, feb 17 - mer, mag 13

8:35 pm - 12:14 amICN-ONT

20h 39m1 stop

6:00 am - 6:35 pmONT-ICN

19h 35m1 stop

$670Hawaiian Airlines

Find Deal

gio, dic 25 - ven, gen 2

United Airlines flights from Incheon Intl Airport to Ontario

Our best United Airlines deals on Incheon Intl Airport to Ontario flight tickets

United Airlines

Nov 26

ICN12:45 pmIncheon Intl

21h 49m

1 stop

ONT5:34 pmOntario

Nov 28

ONT8:38 pmOntario

16h 02m

1 stop

ICN5:40 amIncheon Intl

$511

Find similar

United Airlines

Feb 9

ICN12:45 pmIncheon Intl

16h 32m

1 stop

ONT12:17 pmOntario

Feb 15

ONT1:45 pmOntario

22h 55m

2 stops

ICN5:40 amIncheon Intl

$512

Find similar

United Airlines

Nov 21

ICN12:45 pmIncheon Intl

27h 06m

1 stop

ONT10:51 pmOntario

Dec 1

ONT8:38 pmOntario

16h 02m

1 stop

ICN5:40 amIncheon Intl

$513

Find similar

Hawaiian Airlines flights from Incheon Intl Airport to Ontario

Our best Hawaiian Airlines deals on Incheon Intl Airport to Ontario flight tickets

Hawaiian Airlines

Dec 22

ICN8:35 pmIncheon Intl

20h 39m

1 stop

ONT12:14 amOntario

Jan 27

ONT4:03 pmOntario

33h 32m

1 stop

ICN6:35 pmIncheon Intl

$560

Find similar

Hawaiian Airlines

Dec 25

ICN8:35 pmIncheon Intl

20h 39m

1 stop

ONT12:14 amOntario

Jan 2

ONT6:00 amOntario

19h 35m

1 stop

ICN6:35 pmIncheon Intl

$670

Find similar

momondo Fare Finder

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

mer 11/26

12:45 pm-5:34 pm

1 stop21h 49m

Ontario

ven 11/28

8:38 pm-5:40 am

1 stop16h 02m

$511

IncheonOntario

ICN - ONT

ICNONT

Incheon Intl

lun 2/9

12:45 pm-12:17 pm

1 stop16h 32m

Ontario

dom 2/15

1:45 pm-5:40 am

2 stops22h 55m

$512

IncheonOntario

ICN - ONT

ICNONT

Incheon Intl

lun 12/22

8:35 pm-12:14 am

1 stop20h 39m

Ontario

mar 1/27

4:03 pm-6:35 pm

1 stop33h 32m

$560

IncheonOntario

ICN - ONT

ICNONT

Incheon Intl

dom 12/21

8:35 pm-12:14 am

1 stop20h 39m

Ontario

dom 1/25

6:00 am-6:35 pm

1 stop19h 35m

$576

IncheonOntario

ICN - ONT

ICNONT

Incheon Intl

dom 2/8

8:35 pm-11:56 pm

1 stop20h 21m

Ontario

gio 2/19

6:00 am-6:35 pm

1 stop19h 35m

$580

IncheonOntario

ICN - ONT

ICNONT

Incheon Intl

mer 12/24

8:05 pm-10:33 pm

2 stops19h 28m

Ontario

mer 1/28

7:30 am-4:30 pm

1 stop16h 00m

$588

IncheonOntario

ICN - ONT

ICNONT

Incheon Intl

mer 12/24

8:05 pm-5:08 pm

1 stop14h 03m

Ontario

mar 1/6

7:30 am-4:30 pm

1 stop16h 00m

$590

IncheonOntario

ICN - ONT

ICNONT

Incheon Intl

gio 11/20

4:10 pm-5:09 pm

1 stop17h 59m

Ontario

lun 11/24

6:00 am-4:20 pm

1 stop17h 20m

$638

IncheonOntario

ICN - ONT

ICNONT

Incheon Intl

mar 2/17

7:40 pm-11:53 pm

1 stop21h 13m

Ontario

mer 5/13

7:00 am-4:40 pm

1 stop17h 40m

$658

IncheonOntario

ICN - ONT

ICNONT

Incheon Intl

gio 12/25

8:35 pm-12:14 am

1 stop20h 39m

Ontario

ven 1/2

6:00 am-6:35 pm

1 stop19h 35m

$670

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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, China Airlines, and Alaska 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 47% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 9 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

Direct flights	None

There are no direct flights from Incheon Intl Airport to Ontario. There are no popular flight routes from Incheon Intl Airport to Ontario.

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How far is Incheon Intl to Ontario by plane?
Incheon Intl and Ontario are 6003.0 mi apart from one another. 14h 03m 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.