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Gimpo Intl

$726+ Cheap flights from Ontario (ONT) to Gimpo Intl (GMP)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/19. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — GMP
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Ontario to Gimpo Intl

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Gimpo Intl (GMP). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 11, 2025.

Round-trip from

$1,813
(Mytrip)

One-way from

$726
(Mytrip)

Popular in

December

Cheapest in

November

Average price

$951
From Ontario to Seoul Gimpo Intl
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One-way flight from Ontario to Seoul Gimpo Intl
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Highest demand for flights based on searches. 2% potential increase in price ($29 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($28 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Ontario to Gimpo Intl

Cheapest flights from Ontario to Gimpo Intl
Explore the most affordable flight options available from Ontario to Gimpo Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This oojo deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/166:00 amONT - GMP
2 stops23h 50mJapan Airlines
Tue 9/307:55 amGMP - ONT
2 stops26h 52mJapan Airlines
Deal found 9/11$1,502
This Mytrip deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1912:10 amONT - GMP
2 stops22h 50mMultiple Airlines
Mon 9/2211:20 amGMP - ONT
1 stop22h 40mMultiple Airlines
Deal found 9/10$1,529
This oojo deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/146:00 amONT - GMP
2 stops23h 50mJapan Airlines
Mon 9/227:55 amGMP - ONT
2 stops26h 52mJapan Airlines
Deal found 9/9$1,630
This Mytrip deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1012:10 amONT - GMP
2 stops25h 45mMultiple Airlines
Sat 10/188:20 amGMP - ONT
2 stops25h 40mMultiple Airlines
Deal found 9/11$1,813
This Japan Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/83:08 pmONT - GMP
2 stops37h 57mMultiple Airlines
Mon 11/1712:05 pmGMP - ONT
2 stops20h 12mMultiple Airlines
Deal found 9/9$2,064
This oojo deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/16:00 amONT - GMP
2 stops24h 05mJapan Airlines
Sat 11/87:40 pmGMP - ONT
2 stops36h 37mJapan Airlines
Deal found 9/10$2,100
This Japan Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1811:59 pmONT - GMP
2 stops29h 51mMultiple Airlines
Fri 10/247:55 amGMP - ONT
2 stops21h 48mMultiple Airlines
Deal found 9/10$2,129
This oojo deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/136:00 amONT - GMP
2 stops23h 50mJapan Airlines
Mon 10/207:20 pmGMP - ONT
2 stops39h 13mJapan Airlines
Deal found 9/10$2,245
This Japan Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/911:59 pmONT - GMP
2 stops29h 06mMultiple Airlines
Sat 11/298:00 amGMP - ONT
2 stops23h 04mMultiple Airlines
Deal found 9/11$2,784
This Japan Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/206:00 amONT - GMP
2 stops23h 50mJapan Airlines
Mon 9/227:55 amGMP - ONT
2 stops26h 52mJapan Airlines
Deal found 9/10$2,852

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Gimpo Intl 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, Cheapflights users made 2,558,603 searches. Data last updated September 11, 2025.
Use the filters below to find and compare flights from Ontario to Seoul Gimpo Intl Airport that are best for you.

Fly from

Ontario

Fly to

Gimpo Intl

Route

Depart

Return

Price

OntarioSeoul

ONT - GMP

ONTGMP

Ontario

Fri 10/10

12:10 am-5:55 pm

2 stops25h 45m

Seoul Gimpo Intl

Sat 10/18

8:20 am-6:00 pm

2 stops25h 40m

$1,813

OntarioSeoul

ONT - GMP

ONTGMP

Ontario

Fri 1/30

6:00 am-10:55 am

2 stops35h 55m

Seoul Gimpo Intl

Wed 6/17

7:55 am-6:03 pm

2 stops26h 08m

$2,008

OntarioSeoul

ONT - GMP

ONTGMP

Ontario

Sat 11/8

3:08 pm-10:05 pm

2 stops37h 57m

Seoul Gimpo Intl

Mon 11/17

12:05 pm-3:17 pm

2 stops20h 12m

$2,064

OntarioSeoul

ONT - GMP

ONTGMP

Ontario

Sat 10/18

11:59 pm-9:50 pm

2 stops29h 51m

Seoul Gimpo Intl

Fri 10/24

7:55 am-1:43 pm

2 stops21h 48m

$2,129

OntarioSeoul

ONT - GMP

ONTGMP

Ontario

Sat 1/3

11:59 pm-10:05 pm

2 stops29h 06m

Seoul Gimpo Intl

Mon 1/12

7:40 pm-1:48 pm

2 stops35h 08m

$2,313

OntarioSeoul

ONT - GMP

ONTGMP

Ontario

Wed 2/18

11:55 pm-10:05 pm

2 stops29h 10m

Seoul Gimpo Intl

Fri 2/27

8:00 am-5:51 pm

2 stops26h 51m

$2,376

OntarioSeoul

ONT - GMP

ONTGMP

Ontario

Mon 10/27

2:51 pm-10:05 pm

2 stops39h 14m

Seoul Gimpo Intl

Mon 11/10

8:00 am-2:02 pm

2 stops23h 02m

$5,758

OntarioSeoul

ONT - GMP

ONTGMP

Ontario

Mon 10/20

9:36 am-10:20 pm

2 stops20h 44m

Seoul Gimpo Intl

Wed 11/5

7:45 am-12:37 pm

2 stops21h 52m

$5,912

OntarioSeoul

ONT - GMP

ONTGMP

Ontario

Fri 1/30

1:32 pm-10:55 am

3 stops28h 23m

Seoul Gimpo Intl

Wed 6/17

12:05 pm-5:36 pm

2 stops21h 31m

$5,980

OntarioSeoul

ONT - GMP

ONTGMP

Ontario

Tue 10/28

2:51 pm-10:05 pm

2 stops39h 14m

Seoul Gimpo Intl

Tue 11/11

8:00 am-6:21 pm

2 stops27h 21m

$7,235

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 22 results
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Best time to book a flight from Ontario to Gimpo Intl

Have a flexible travel schedule? Discover the best time to fly to Gimpo Intl from Ontario with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Gimpo Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Ontario to Seoul Gimpo Intl?

    For a flight from Ontario to Seoul Gimpo Intl, you will be flying from Ontario. Ontario (ONT) is just 3.1 mi from the center of the city. Ontario is the only Ontario airport and it handles 0 outbound flights to Seoul Gimpo Intl per day. 0 airlines have flights to Seoul Gimpo Intl from Ontario on a regular basis.

  • How long is the flight from Ontario to Seoul Gimpo Intl Airport?

    A quick flight from Ontario to Seoul Gimpo Intl Airport can take about 35h 55m. Japan Airlines provides one of the quickest options available for as low as $2,008. The distance between Ontario and Seoul Gimpo Intl Airport is about 5986 mi.

  • Can I find deals for flights from Ontario to Gimpo Intl that include hotel bookings?

    Yes. In addition to deals on Ontario to Gimpo Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Gimpo Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Gimpo Intl.

  • Can I find deals for business class flights from Ontario to Gimpo Intl?

    Yes. Cheapflights offers flight deals from Ontario to Gimpo Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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