Which airports can I use when flying from Incheon Intl Airport to Ontario?

Flights from Incheon Intl Airport to Ontario usually depart from Incheon Intl (ICN) and arrive at Ontario (ONT).

What cabin classes can I book on flights from Incheon Intl Airport to Ontario?

Two cabin classes are available on flights from Incheon Intl Airport to Ontario: • Economy Class • First Class

Which airports do connecting flights from Incheon Intl Airport to Ontario pass through?

One-stop flights from Incheon Intl Airport to Ontario most commonly connect through: • Vancouver Intl (YVR) - 53% of one-stop connections • San Francisco (SFO) - 35% of one-stop connections • Seattle/Tacoma Intl (SEA) - 12% of one-stop connections Vancouver Intl (YVR) handles the largest share of one-stop connections on this route.

Can I save money by using flexible dates for flights from Incheon Intl Airport to Ontario?

On the Incheon Intl Airport to Ontario route, being flexible with your departure day can save you up to 61%. Sunday is the cheapest day at $498 round-trip on average, while Tuesday is the most expensive at $1,253: a $755 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

What popular places can I visit in Ontario?

Some of the most popular sights in Ontario are Ontario Convention Center, Ontario Mills and Cucamonga-Guasti Regional Park. These are among the most viewed places in Ontario on KAYAK.

How long is a flight from Incheon Intl Airport to Ontario?

A nonstop flight from Incheon Intl Airport to Ontario takes 0h 00m, covering 6,006 miles.

Do I need a passport to fly from Incheon Intl Airport to Ontario?

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

How are flight prices from Incheon Intl Airport to Ontario looking right now?

One-way fares from Incheon Intl Airport to Ontario are currently lower than usual. Average one-way flight prices are about $460, which is 16% below the typical average for this route.

How much time can I save by choosing a different layover airport from Incheon Intl Airport to Ontario?

Flying via Vancouver Intl (YVR) gives the shortest average 1-stop total travel time at 15h 43m, compared with 17h 20m via San Francisco (SFO) and 21h 52m via Seattle/Tacoma Intl (SEA).

What is the time difference between Incheon Intl Airport and Ontario?

Ontario is 16 hours behind Incheon Intl Airport (Pacific Time vs Korean Time). Plan for the time shift when scheduling connections or first-day activities.

What car rental options are available at Ontario Airport (ONT)?

Ontario Airport (ONT) hosts 5 major car rental companies, with daily rates starting from around $18 for economy cars. Top options include: · Fox · Thrifty · Europcar · Dollar · Alamo

How much should I expect to pay for a Incheon Intl Airport to Ontario flight?

Round-trip flights from Incheon Intl Airport to Ontario range from $593 to $1,253, with an average of $876 over the past 12 months. Anything below $593 counts as a good deal.

What is the cheapest airline to fly from Incheon Intl Airport to Ontario?

United Airlines ($714) and Lufthansa ($748) are the cheapest airlines to fly round-trip from Incheon Intl Airport to Ontario according to KAYAK data over the last 5 days.

What is the most popular layover airport when flying from Incheon Intl Airport to Ontario?

Vancouver Intl (YVR) is the most popular layover for the Incheon Intl Airport to Ontario route. 53% of KAYAK users who booked 1-stop round-trips over the past 3 months connected via YVR.

What is the cheapest layover airport when flying from Incheon Intl Airport to Ontario?

Flights via Vancouver Intl (YVR) offer the most affordable fares, with an average round-trip price of $698. Based on KAYAK data over the past 3 months.

When flying from Incheon Intl Airport to Ontario which airport offers the shortest layover?

Vancouver Intl (YVR) had the shortest average connection time for Incheon Intl Airport to Ontario layovers at 531 minutes over the past 3 months.

$439 CHEAP FLIGHTS from Incheon to Ontario (ICN - ONT)

Save 21% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Cheapest round-trip

$714

Typical prices: $593-$1,253

United Airlines

Sun 11/11Fri 11/16

ICN - ONT • 1 stop

Cheapest one-way

$439

Typical prices: $473-$651

Multiple Airlines

Fri 9/28

ICN - ONT • 1 stop

Nonstop flights

Not available

There are currently no direct flights between Incheon Intl Airport and Ontario. You'll need to take a connecting flight to reach the destination.

Insights

When to travel

March

Cheapest • 45% price drop

November

Most popular

Good to know

Top layover airports

Vancouver Intl (YVR)

Cheapest • Avg $698 (round-trip)

San Francisco (SFO)

Shortest trip • 17h 20m (one-way)

Insights

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KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to Ontario!

Flight Deals

Cheap Flights from Incheon to Ontario (ICN-ONT)

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from Incheon to Ontario

Tue, Dec 22 - Tue, Dec 29

12:45 pm - 11:58 amICN Incheon Intl-ONT Ontario

16h 13m1 stop San Francisco

6:27 pm - 5:40 amONT Ontario-ICN Incheon Intl

18h 13m1 stop San Francisco

$714United Airlines

Wed, Nov 11 - Mon, Nov 16

12:45 pm - 12:29 pmICN Incheon Intl-ONT Ontario

16h 44m1 stop San Francisco

6:37 pm - 5:40 amONT Ontario-ICN Incheon Intl

18h 03m1 stop San Francisco

$714United Airlines

Wed, Oct 14 - Mon, Oct 26

4:50 pm - 3:22 pmICN Incheon Intl-ONT Ontario

14h 32m1 stop San Francisco

6:00 am - 4:15 pmONT Ontario-ICN Incheon Intl

18h 15m1 stop San Francisco

$716United Airlines

Thu, Dec 24 - Sun, Jan 31

12:45 pm - 3:19 pmICN Incheon Intl-ONT Ontario

19h 34m1 stop San Francisco

6:00 am - 4:15 pmONT Ontario-ICN Incheon Intl

17h 15m1 stop San Francisco

$716United Airlines

Fri, Nov 6 - Sat, Nov 14

12:45 pm - 12:29 pmICN Incheon Intl-ONT Ontario

16h 44m1 stop San Francisco

1:29 pm - 4:15 pmONT Ontario-ICN Incheon Intl

33h 46m2 stops Denver Intl San Francisco

$716United Airlines

Tue, Sep 15 - Thu, Sep 17

4:50 pm - 8:01 pmICN Incheon Intl-ONT Ontario

19h 11m1 stop San Francisco

7:13 pm - 4:20 amONT Ontario-ICN Incheon Intl

17h 07m1 stop San Francisco

$716United Airlines

Fri, Nov 20 - Tue, Dec 1

12:45 pm - 12:29 pmICN Incheon Intl-ONT Ontario

16h 44m1 stop San Francisco

6:40 pm - 5:40 amONT Ontario-ICN Incheon Intl

18h 00m1 stop San Francisco

$716United Airlines

Tue, Oct 13 - Sun, Oct 25

11:30 am - 10:23 amICN Incheon Intl-ONT Ontario

14h 53m1 stop San Francisco

6:00 am - 4:15 pmONT Ontario-ICN Incheon Intl

18h 15m1 stop San Francisco

$716United Airlines

Fri, Nov 6 - Sun, Nov 15

12:45 pm - 10:48 pmICN Incheon Intl-ONT Ontario

27h 03m1 stop San Francisco

9:25 am - 5:40 amONT Ontario-ICN Incheon Intl

27h 15m1 stop San Francisco

$716United Airlines

Fri, Nov 6 - Sat, Nov 14

12:45 pm - 12:29 pmICN Incheon Intl-ONT Ontario

16h 44m1 stop San Francisco

1:35 pm - 4:15 pmONT Ontario-ICN Incheon Intl

33h 40m1 stop San Francisco

$716United Airlines

Recent last minute flight deals from Incheon to Ontario

Fri, Sep 4 - Sun, Sep 20

4:50 pm - 6:11 pmICN Incheon Intl-ONT Ontario

17h 21m1 stop San Francisco

6:08 am - 3:00 pmONT Ontario-ICN Incheon Intl

16h 52m1 stop San Francisco

$709Lufthansa

Fri, Sep 4 - Sat, Sep 12

11:30 am - 6:11 pmICN Incheon Intl-ONT Ontario

22h 41m1 stop San Francisco

1:56 pm - 3:00 pmONT Ontario-ICN Incheon Intl

33h 04m1 stop San Francisco

$714United Airlines

Thu, Sep 3 - Tue, Sep 15

11:30 am - 12:12 pmICN Incheon Intl-ONT Ontario

16h 42m1 stop San Francisco

9:01 am - 4:20 amONT Ontario-ICN Incheon Intl

27h 19m1 stop San Francisco

$714United Airlines

Thu, Sep 3 - Sat, Sep 12

11:30 am - 6:11 pmICN Incheon Intl-ONT Ontario

22h 41m1 stop San Francisco

1:56 pm - 3:00 pmONT Ontario-ICN Incheon Intl

33h 04m1 stop San Francisco

$714United Airlines

Fri, Sep 4 - Tue, Sep 15

11:30 am - 12:12 pmICN Incheon Intl-ONT Ontario

16h 42m1 stop San Francisco

6:08 am - 3:00 pmONT Ontario-ICN Incheon Intl

16h 52m1 stop San Francisco

$714United Airlines

Thu, Sep 3 - Wed, Sep 16

11:30 am - 12:12 pmICN Incheon Intl-ONT Ontario

16h 42m1 stop San Francisco

9:01 am - 4:20 amONT Ontario-ICN Incheon Intl

27h 19m1 stop San Francisco

$714United Airlines

Thu, Sep 3 - Mon, Sep 14

11:30 am - 12:12 pmICN Incheon Intl-ONT Ontario

16h 42m1 stop San Francisco

6:08 am - 3:00 pmONT Ontario-ICN Incheon Intl

16h 52m1 stop San Francisco

$714United Airlines

Fri, Sep 4 - Wed, Sep 16

11:30 am - 12:12 pmICN Incheon Intl-ONT Ontario

16h 42m1 stop San Francisco

9:01 am - 4:20 amONT Ontario-ICN Incheon Intl

27h 19m1 stop San Francisco

$714United Airlines

Fri, Sep 4 - Sun, Sep 13

11:30 am - 12:12 pmICN Incheon Intl-ONT Ontario

16h 42m1 stop San Francisco

6:08 am - 3:00 pmONT Ontario-ICN Incheon Intl

16h 52m1 stop San Francisco

$714United Airlines

Wed, Sep 2 - Wed, Sep 16

11:30 am - 12:12 pmICN Incheon Intl-ONT Ontario

16h 42m1 stop San Francisco

6:08 am - 3:00 pmONT Ontario-ICN Incheon Intl

16h 52m1 stop San Francisco

$714United Airlines

Booking Insights

Price, demand and travel trends for Incheon Intl Airport to Ontario flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Incheon Intl Airport to Ontario with more confidence.

Prices

Airlines

Layovers

How much is a round-trip flight from Incheon Intl Airport to Ontario?

Round-trip flights from Incheon Intl Airport to Ontario start at $714. Prices are typical for this route right now, with typical round-trip fares ranging from $593 to $1,253. The lowest price found in the past 5 days was $714 on United Airlines.

Find deals

Low season	May
High season	November
Cheapest flight	$439

Most popular time to fly and prices are also 17% lower on average.

Flight from Incheon Intl Airport to Ontario

When to book flights from Incheon to Ontario

Are your dates flexible? Find out the best times to travel from Incheon to Ontario based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated round-trip price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

Which airports can I use when flying from Incheon Intl Airport to Ontario?
Flights from Incheon Intl Airport to Ontario usually depart from Incheon Intl (ICN) and arrive at Ontario (ONT).
What cabin classes can I book on flights from Incheon Intl Airport to Ontario?
Two cabin classes are available on flights from Incheon Intl Airport to Ontario:

• Economy Class
• First Class
Which airports do connecting flights from Incheon Intl Airport to Ontario pass through?
One-stop flights from Incheon Intl Airport to Ontario most commonly connect through:

• Vancouver Intl (YVR) - 53% of one-stop connections
• San Francisco (SFO) - 35% of one-stop connections
• Seattle/Tacoma Intl (SEA) - 12% of one-stop connections

Vancouver Intl (YVR) handles the largest share of one-stop connections on this route.
Can I save money by using flexible dates for flights from Incheon Intl Airport to Ontario?
On the Incheon Intl Airport to Ontario route, being flexible with your departure day can save you up to 61%. Sunday is the cheapest day at $498 round-trip on average, while Tuesday is the most expensive at $1,253: a $755 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.
What popular places can I visit in Ontario?
Some of the most popular sights in Ontario are Ontario Convention Center, Ontario Mills and Cucamonga-Guasti Regional Park. These are among the most viewed places in Ontario on KAYAK.
How long is a flight from Incheon Intl Airport to Ontario?
A nonstop flight from Incheon Intl Airport to Ontario takes 0h 00m, covering 6,006 miles.
Do I need a passport to fly from Incheon Intl Airport to Ontario?
Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.
How are flight prices from Incheon Intl Airport to Ontario looking right now?
One-way fares from Incheon Intl Airport to Ontario are currently lower than usual. Average one-way flight prices are about $460, which is 16% below the typical average for this route.
How much time can I save by choosing a different layover airport from Incheon Intl Airport to Ontario?
Flying via Vancouver Intl (YVR) gives the shortest average 1-stop total travel time at 15h 43m, compared with 17h 20m via San Francisco (SFO) and 21h 52m via Seattle/Tacoma Intl (SEA).
What is the time difference between Incheon Intl Airport and Ontario?
Ontario is 16 hours behind Incheon Intl Airport (Pacific Time vs Korean Time). Plan for the time shift when scheduling connections or first-day activities.
What car rental options are available at Ontario Airport (ONT)?
Ontario Airport (ONT) hosts 5 major car rental companies, with daily rates starting from around $18 for economy cars. Top options include:
· Fox
· Thrifty
· Europcar
· Dollar
· Alamo
How much should I expect to pay for a Incheon Intl Airport to Ontario flight?
Round-trip flights from Incheon Intl Airport to Ontario range from $593 to $1,253, with an average of $876 over the past 12 months. Anything below $593 counts as a good deal.

If your dates can be flexible, aim for a Sunday departure instead of Tuesday. On this route, Sunday flights average $498 - about $755 less than Tuesday (60% savings) based on the last 12 months.
If you can choose when to travel, plan your Incheon Intl Airport to Ontario trip for March. Fares historically average $481 round-trip in that month - typically $812 less than the most expensive month, which is August (based on the last 12 months).
If you're arriving late at night and need somewhere to stay, check out these hotels close to Ontario Airport.
- Azure Hotel & Suites, Trademark Collection by Wyndham
- La Quinta Inn & Suites by Wyndham Ontario Airport
- Holiday Inn Ontario Airport By IHG

Everything you need to know for your flight from Incheon to Ontario

Airports

Cabin class

Complete your trip

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Return flight deals

Information on your arrival and departure airports

Incheon (ICN)

Ontario (ONT)

ICN - ONT

$439 Find Cheap Flights from Incheon to Ontario - Compare and Save

Everything you should know

Cheap Flights from Incheon to Ontario (ICN-ONT)

Recent round-trip flight deals from Incheon to Ontario

Recent one-way flight deals from Incheon to Ontario

Recent last minute flight deals from Incheon to Ontario

Price, demand and travel trends for Incheon Intl Airport to Ontario flights

How much is a round-trip flight from Incheon Intl Airport to Ontario?

What is the cheapest airline to fly from Incheon Intl Airport to Ontario?

What is the most popular layover airport when flying from Incheon Intl Airport to Ontario?

What is the cheapest layover airport when flying from Incheon Intl Airport to Ontario?

When flying from Incheon Intl Airport to Ontario which airport offers the shortest layover?

Key details for Incheon Intl Airport to Ontario flights

Low season

High season

Cheapest flight

When to book flights from Incheon to Ontario

Your Incheon Intl Airport to Ontario flight questions, answered

Your guide to booking Incheon Intl Airport to Ontario flights

Everything you need to know for your flight from Incheon to Ontario

Information on your arrival and departure airports

Cabin class types available on flights to Ontario

Complete your trip to Ontario with a hotel stay or car rental

Find direct flights to and from Incheon and Ontario

Flights to other popular destinations

Flights from domestic origins to Ontario

Choose which airport to fly into in Incheon

Find deals for your return flight