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: • San Francisco (SFO) - 68% of one-stop connections • Seattle/Tacoma Intl (SEA) - 24% of one-stop connections • Taipei City Taiwan Taoyuan Intl (TPE) - 8% of one-stop connections

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

Yes. Flexible dates can save you up to 67% on flights from Incheon Intl Airport to Ontario. Sunday is the cheapest departure day at $498 round-trip on average, while Friday is the most expensive at $1,498, a difference of $1,000. 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 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 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 in line with typical prices for this route. Average one-way fares are about $539.

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

Flying via San Francisco (SFO) gives the shortest average 1-stop total travel time at 16h 49m, compared with 16h 56m via Seattle/Tacoma Intl (SEA) and 20h 22m via Taipei City Taiwan Taoyuan Intl (TPE).

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 $718 to $1,293, with an average of $1,144 over the past 12 months. Anything below $718 counts as a good deal.

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

Round-trip flights from Incheon Intl Airport to Ontario typically range from $718 to $1,293. The lowest price found in the past 5 days was $876, on United Airlines.

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

United Airlines ($876) offered the cheapest round-trip ticket from Incheon Intl Airport to Ontario in the last 5 days.

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

San Francisco (SFO) is the most popular layover for the Incheon Intl Airport to Ontario route. 68% of KAYAK users who booked 1-stop round-trips over the past 3 months connected via SFO.

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

Flights via San Francisco (SFO) offer the most affordable fares, with an average round-trip price of $934. Based on KAYAK data over the past 3 months.

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

Seattle/Tacoma Intl (SEA) had the shortest average connection time for Incheon Intl Airport to Ontario layovers at 10h 20m over the past 3 months.

$501 CHEAP FLIGHTS from Incheon to Ontario (ICN - ONT)

Save 25% 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

$876

Typical prices: $718-$1,293

United Airlines

Mon 11/19Sun 12/2

ICN - ONT • 1 stop

Cheapest one-way

$519

Typical prices: $481-$651

Multiple Airlines

Tue 12/11

ICN - ONT • 2 stops

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 • 58% price drop

September

Most popular

Good to know

Top layover airports

San Francisco (SFO)

Cheapest • Avg $934 (round-trip)

Seattle/Tacoma Intl (SEA)

Shortest trip • 16h 56m (one-way)

Insights

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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

Fri, Nov 20 - Wed, Dec 2

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

16h 44m1 stop San Francisco

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

17h 15m1 stop San Francisco

$876United Airlines

Thu, Nov 19 - Wed, Dec 2

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

$876United Airlines

Tue, Nov 24 - Thu, Nov 26

12:45 pm - 3:33 pmICN Incheon Intl-ONT Ontario

19h 48m1 stop San Francisco

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

17h 15m1 stop San Francisco

$876United Airlines

Thu, Nov 5 - Sun, Nov 8

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

$877United Airlines

Fri, Dec 25 - Wed, Feb 17

6:00 pm - 10:53 pmICN Incheon Intl-ONT Ontario

21h 53m1 stop San Francisco

8:00 am - 4:15 pmONT Ontario-ICN Incheon Intl

15h 15m1 stop San Francisco

$879United Airlines

Mon, Nov 9 - Mon, Nov 23

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

16h 44m1 stop San Francisco

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

17h 15m1 stop San Francisco

$879United Airlines

Mon, Nov 9 - Sun, Dec 6

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

$879United Airlines

Thu, Dec 24 - Mon, Feb 15

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

16h 13m1 stop San Francisco

8:00 am - 4:15 pmONT Ontario-ICN Incheon Intl

15h 15m1 stop San Francisco

$879United Airlines

Fri, Dec 25 - Mon, Feb 15

6:00 pm - 10:53 pmICN Incheon Intl-ONT Ontario

21h 53m1 stop San Francisco

8:00 am - 4:15 pmONT Ontario-ICN Incheon Intl

15h 15m1 stop San Francisco

$879United Airlines

Fri, Dec 25 - Thu, Feb 18

6:00 pm - 10:53 pmICN Incheon Intl-ONT Ontario

21h 53m1 stop San Francisco

8:00 am - 4:15 pmONT Ontario-ICN Incheon Intl

15h 15m1 stop San Francisco

$879United Airlines

Recent last minute flight deals from Incheon to Ontario

Thu, Oct 22 - 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

$880United Airlines

Wed, Oct 21 - Wed, Oct 28

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

$880United Airlines

Thu, Oct 22 - Wed, Nov 4

11:30 am - 12:18 pmICN Incheon Intl-ONT Ontario

16h 48m1 stop San Francisco

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

17h 15m1 stop San Francisco

$881Lufthansa

Thu, Oct 22 - Wed, Nov 4

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

17h 15m1 stop San Francisco

$882United Airlines

Fri, Oct 23 - Wed, Nov 4

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

17h 15m1 stop San Francisco

$882United Airlines

Thu, Oct 22 - Wed, Nov 4

11:30 am - 3:22 pmICN Incheon Intl-ONT Ontario

19h 52m1 stop San Francisco

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

17h 15m1 stop San Francisco

$883Lufthansa

Thu, Oct 22 - Wed, Nov 4

11:30 am - 12:18 pmICN Incheon Intl-ONT Ontario

16h 48m1 stop San Francisco

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

17h 15m1 stop San Francisco

$899Lufthansa

Thu, Oct 22 - Wed, Nov 4

11:30 am - 12:18 pmICN Incheon Intl-ONT Ontario

16h 48m1 stop San Francisco

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

17h 15m1 stop San Francisco

$900Lufthansa

Thu, Oct 22 - Wed, Nov 4

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

17h 15m1 stop San Francisco

$900Lufthansa

Thu, Oct 22 - Wed, Nov 4

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

17h 15m1 stop San Francisco

$904Lufthansa

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 with more confidence.

Prices

Airlines

Layovers

How much is a round-trip flight from Incheon Intl Airport to Ontario? This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Incheon Intl Airport to Ontario departing in november.

Find deals

High season	September
Cheapest flight	$519

The most popular month to fly with an average 40% increase in travelers.

One-way 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.

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
How long is a flight from Incheon Intl Airport to Ontario?
A nonstop flight from Incheon Intl Airport to Ontario takes 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 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 $718 to $1,293, with an average of $1,144 over the past 12 months. Anything below $718 counts as a good deal.
How are flight prices from Incheon Intl Airport to Ontario looking right now?
One-way fares from Incheon Intl Airport to Ontario are currently in line with typical prices for this route. Average one-way fares are about $539.
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
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).
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:

• San Francisco (SFO) - 68% of one-stop connections
• Seattle/Tacoma Intl (SEA) - 24% of one-stop connections
• Taipei City Taiwan Taoyuan Intl (TPE) - 8% of one-stop connections
Can I save money by using flexible dates for flights from Incheon Intl Airport to Ontario?
Yes. Flexible dates can save you up to 67% on flights from Incheon Intl Airport to Ontario. Sunday is the cheapest departure day at $498 round-trip on average, while Friday is the most expensive at $1,498, a difference of $1,000.

Cheaper weekend fares like these are typical of routes dominated by weekday business travel.
How much time can I save by choosing a different layover airport from Incheon Intl Airport to Ontario?
Flying via San Francisco (SFO) gives the shortest average 1-stop total travel time at 16h 49m, compared with 16h 56m via Seattle/Tacoma Intl (SEA) and 20h 22m via Taipei City Taiwan Taoyuan Intl (TPE).
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 popular places can I visit in Ontario?
Some of the most popular sights in Ontario are Ontario Convention Center and Cucamonga-Guasti Regional Park. These are among the most viewed places in Ontario on KAYAK.

If your dates are flexible, aim for a Sunday departure and avoid flying on Friday. On this route, Sunday flights average $498, about $1,000 less than Friday fares (67% 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 $1,017 less than the most expensive month, which is October (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.

• Ontario Airport Inn
• Azure Hotel & Suites, Trademark Collection by Wyndham
• La Quinta Inn & Suites by Wyndham Ontario Airport

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ICN - ONT

$501 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?

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

What’s 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

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

More options for your flight from Incheon to Ontario

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

Information on your arrival and departure airports

Cabin class types available on flights to Ontario

Find direct flights to and from Incheon and Ontario

Flights from domestic origins to Ontario

Flights to other popular destinations

Find deals for your return flight