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Gimpo Intl

$604+ 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 8/19. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — GMP
Aug 22 — Aug 291
Sat 8/22
Sat 8/29
1 adult, Economy
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Cheap 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 July 23, 2026.

This Japan Airlines deal was found by Cheapflights users on 7/23. 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.
Mon 8/1010:29 am
ONT
-
GMP
2 stops42h 46m
Multiple Airlines
Wed 8/267:15 pm
GMP
-
ONT
2 stops39h 32m
Multiple Airlines
Deal found 7/23$1,631
This Japan Airlines deal was found by Cheapflights users on 7/20. 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.
Mon 8/1710:29 am
ONT
-
GMP
2 stops42h 46m
Multiple Airlines
Mon 8/247:15 pm
GMP
-
ONT
2 stops39h 32m
Multiple Airlines
Deal found 7/20$1,812
This Ovago deal was found by Cheapflights users on 7/21. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/16:00 am
ONT
-
GMP
2 stops23h 05m
Japan Airlines
Sun 11/88:00 am
GMP
-
ONT
2 stops20h 52m
Japan Airlines
Deal found 7/21$1,858
This Japan Airlines deal was found by Cheapflights users on 7/19. 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.
Mon 8/311:59 pm
ONT
-
GMP
2 stops29h 16m
Multiple Airlines
Mon 8/247:15 pm
GMP
-
ONT
2 stops34h 16m
Multiple Airlines
Deal found 7/19$1,912
This Ovago deal was found by Cheapflights users on 7/21. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/177:00 am
ONT
-
GMP
2 stops22h 05m
Japan Airlines
Wed 11/258:00 am
GMP
-
ONT
2 stops21h 06m
Japan Airlines
Deal found 7/21$2,028
This ANA deal was found by Cheapflights users on 7/21. 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 ANA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/159:25 am
ONT
-
GMP
2 stops20h 55m
Multiple Airlines
Sat 10/247:40 am
GMP
-
ONT
2 stops23h 42m
Multiple Airlines
Deal found 7/21$2,190
This Ovago deal was found by Cheapflights users on 7/20. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/116:02 am
ONT
-
GMP
2 stops36h 38m
Japan Airlines
Sun 11/18:00 am
GMP
-
ONT
2 stops20h 52m
Japan Airlines
Deal found 7/20$2,259
This Japan Airlines deal was found by Cheapflights users on 7/22. 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.
Thu 10/2211:59 pm
ONT
-
GMP
2 stops29h 16m
Multiple Airlines
Fri 10/308:00 am
GMP
-
ONT
2 stops29h 11m
Multiple Airlines
Deal found 7/22$2,727
This Japan Airlines deal was found by Cheapflights users on 7/23. 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.
Fri 10/3011:59 pm
ONT
-
GMP
2 stops30h 06m
Multiple Airlines
Mon 11/28:00 am
GMP
-
ONT
2 stops22h 31m
Multiple Airlines
Deal found 7/23$2,747
This Japan Airlines deal was found by Cheapflights users on 7/19. 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.
Wed 11/412:42 pm
ONT
-
GMP
2 stops40h 23m
Multiple Airlines
Wed 11/118:00 am
GMP
-
ONT
2 stops20h 52m
Multiple Airlines
Deal found 7/19$3,221
This ANA deal was found by Cheapflights users on 7/22. 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 ANA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/89:25 am
ONT
-
GMP
2 stops20h 55m
Multiple Airlines
Sat 10/247:40 am
GMP
-
ONT
2 stops23h 42m
Multiple Airlines
Deal found 7/22$4,173

Find 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 July 23, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,311
(Mytrip)

One-way from

$604
(ANA)

Popular in

June

Cheapest in

August

Average price

$1,061
Provider with most accurate pricing for Los Angeles Los Angeles-Seoul (SEL) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Los Angeles Los Angeles-Seoul (SEL) flights.
Search Deals
From Ontario to Seoul Gimpo Intl
Search Deals
One-way flight from Ontario to Seoul Gimpo Intl
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($174 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($30 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

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 July 23, 2026.
Use the filters below to find and compare flights from Ontario to Seoul Gimpo Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioSeoul

ONT - GMP

ONTGMP

Ontario

Mon 8/10

10:29 am-9:15 pm

2 stops42h 46m

Seoul Gimpo Intl

Wed 8/26

7:15 pm-6:47 pm

2 stops39h 32m

$1,631

OntarioSeoul

ONT - GMP

ONTGMP

Ontario

Mon 8/3

11:59 pm-9:15 pm

2 stops29h 16m

Seoul Gimpo Intl

Mon 8/24

7:15 pm-1:31 pm

2 stops34h 16m

$1,912
Quickest round-trip

OntarioSeoul

ONT - GMP

ONTGMP

Ontario

Tue 11/17

7:00 am-10:05 pm

2 stops22h 05m

Seoul Gimpo Intl

Wed 11/25

8:00 am-12:06 pm

2 stops21h 06m

$2,028

OntarioSeoul

ONT - GMP

ONTGMP

Ontario

Sun 10/11

6:02 am-10:40 am

2 stops36h 38m

Seoul Gimpo Intl

Sun 11/1

8:00 am-12:52 pm

2 stops20h 52m

$2,259

OntarioSeoul

ONT - GMP

ONTGMP

Ontario

Thu 10/22

11:59 pm-9:15 pm

2 stops29h 16m

Seoul Gimpo Intl

Fri 10/30

8:00 am-9:11 pm

2 stops29h 11m

$2,727

OntarioSeoul

ONT - GMP

ONTGMP

Ontario

Fri 10/30

11:59 pm-10:05 pm

2 stops30h 06m

Seoul Gimpo Intl

Mon 11/2

8:00 am-1:31 pm

2 stops22h 31m

$2,747

OntarioSeoul

ONT - GMP

ONTGMP

Ontario

Thu 10/8

9:25 am-10:20 pm

2 stops20h 55m

Seoul Gimpo Intl

Sat 10/24

7:40 am-3:22 pm

2 stops23h 42m

$4,173

OntarioSeoul

ONT - GMP

ONTGMP

Ontario

Fri 10/9

6:02 am-10:40 am

2 stops36h 38m

Seoul Gimpo Intl

Mon 10/26

7:40 pm-1:30 pm

2 stops33h 50m

$11,915
Cheapest one-way

OntarioSeoul

ONT - GMP

ONTGMP

Ontario

Wed 8/19

9:01 am-10:20 pm

2 stops21h 19m

$604

OntarioSeoul

ONT - GMP

ONTGMP

Ontario

Fri 9/4

8:48 am-4:15 pm

3 stops39h 27m

$731

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/21

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 22h 05m. Japan Airlines provides one of the quickest options available for as low as $2,028. 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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