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Gimpo Intl

$638+ 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 9/3. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — GMP
Jul 10 — Jul 171
Fri 7/10
Fri 7/17
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 June 10, 2026.

This Mytrip deal was found by Cheapflights users on 6/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/2412:45 am
ONT
-
GMP
2 stops23h 30m
Multiple Airlines
Mon 8/38:10 am
GMP
-
ONT
2 stops26h 30m
Multiple Airlines
Deal found 6/9$1,714
This Mytrip deal was found by Cheapflights users on 6/8. 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.
Sun 9/612:45 am
ONT
-
GMP
2 stops23h 30m
Multiple Airlines
Mon 9/1411:25 am
GMP
-
ONT
2 stops21h 40m
Multiple Airlines
Deal found 6/8$1,752
This Mytrip deal was found by Cheapflights users on 6/8. 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.
Mon 7/2712:45 am
ONT
-
GMP
2 stops25h 15m
Multiple Airlines
Fri 8/711:25 am
GMP
-
ONT
2 stops22h 15m
Multiple Airlines
Deal found 6/8$1,806
This Booking.com deal was found by Cheapflights users on 6/7. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/179:11 am
ONT
-
GMP
2 stops20h 04m
Multiple Airlines
Tue 6/234:30 pm
GMP
-
ONT
2 stops21h 15m
Multiple Airlines
Deal found 6/7$1,824
This Mytrip deal was found by Cheapflights users on 6/8. 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.
Wed 7/112:45 am
ONT
-
GMP
2 stops25h 30m
Multiple Airlines
Wed 7/88:10 am
GMP
-
ONT
2 stops26h 30m
Multiple Airlines
Deal found 6/8$1,871
This Japan Airlines deal was found by Cheapflights users on 6/7. 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 6/226:02 am
ONT
-
GMP
2 stops36h 38m
Japan Airlines
Mon 7/67:15 pm
GMP
-
ONT
2 stops37h 15m
Japan Airlines
Deal found 6/7$1,962
This Mytrip deal was found by Cheapflights users on 6/6. 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.
Wed 6/1012:10 am
ONT
-
GMP
2 stops26h 05m
Multiple Airlines
Thu 6/188:10 am
GMP
-
ONT
2 stops25h 50m
Multiple Airlines
Deal found 6/6$1,997
This Japan Airlines deal was found by Cheapflights users on 6/9. 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.
Wed 9/92:22 pm
ONT
-
GMP
2 stops38h 53m
Multiple Airlines
Wed 9/237:15 pm
GMP
-
ONT
2 stops32h 32m
Multiple Airlines
Deal found 6/9$2,015
This Mytrip deal was found by Cheapflights users on 6/8. 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.
Tue 7/712:45 am
ONT
-
GMP
2 stops25h 30m
Multiple Airlines
Wed 7/158:10 am
GMP
-
ONT
2 stops26h 30m
Multiple Airlines
Deal found 6/8$2,039
This American Airlines deal was found by Cheapflights users on 6/7. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2011:59 pm
ONT
-
GMP
2 stops25h 56m
Multiple Airlines
Thu 8/68:00 am
GMP
-
ONT
2 stops26h 47m
Multiple Airlines
Deal found 6/7$2,063

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 June 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,714
(Mytrip)

One-way from

$638
(Mytrip)

Popular in

June

Cheapest in

September

Average price

$1,289
Provider with most accurate pricing for Los Angeles-Seoul (SEL) flight deals.
Search Deals
Provider most trusted by Cheapflights users for 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. 12% potential increase in price ($148 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($25 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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 June 10, 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

Fri 7/24

12:45 am-4:15 pm

2 stops23h 30m

Seoul Gimpo Intl

Mon 8/3

8:10 am-6:40 pm

2 stops26h 30m

$1,714

OntarioSeoul

ONT - GMP

ONTGMP

Ontario

Sun 9/6

12:45 am-4:15 pm

2 stops23h 30m

Seoul Gimpo Intl

Mon 9/14

11:25 am-5:05 pm

2 stops21h 40m

$1,752

OntarioSeoul

ONT - GMP

ONTGMP

Ontario

Mon 6/22

6:02 am-10:40 am

2 stops36h 38m

Seoul Gimpo Intl

Mon 7/6

7:15 pm-4:30 pm

2 stops37h 15m

$1,962

OntarioSeoul

ONT - GMP

ONTGMP

Ontario

Wed 9/9

2:22 pm-9:15 pm

2 stops38h 53m

Seoul Gimpo Intl

Wed 9/23

7:15 pm-11:47 am

2 stops32h 32m

$2,015

OntarioSeoul

ONT - GMP

ONTGMP

Ontario

Tue 7/7

12:45 am-6:15 pm

2 stops25h 30m

Seoul Gimpo Intl

Wed 7/15

8:10 am-6:40 pm

2 stops26h 30m

$2,039

OntarioSeoul

ONT - GMP

ONTGMP

Ontario

Mon 7/20

11:59 pm-5:55 pm

2 stops25h 56m

Seoul Gimpo Intl

Thu 8/6

8:00 am-6:47 pm

2 stops26h 47m

$2,063

OntarioSeoul

ONT - GMP

ONTGMP

Ontario

Wed 7/8

11:59 pm-5:55 pm

2 stops25h 56m

Seoul Gimpo Intl

Sun 7/19

8:00 am-7:59 pm

2 stops27h 59m

$2,432

OntarioSeoul

ONT - GMP

ONTGMP

Ontario

Sun 11/1

11:59 pm-10:05 pm

2 stops29h 06m

Seoul Gimpo Intl

Wed 11/18

8:00 am-11:53 am

2 stops20h 53m

$2,482

OntarioSeoul

ONT - GMP

ONTGMP

Ontario

Wed 6/24

5:45 am-9:15 pm

2 stops23h 30m

Seoul Gimpo Intl

Wed 7/1

12:05 pm-11:45 am

2 stops39h 40m

$3,434

OntarioSeoul

ONT - GMP

ONTGMP

Ontario

Tue 7/21

11:59 pm-9:15 pm

2 stops29h 16m

Seoul Gimpo Intl

Sun 8/2

7:15 pm-1:22 pm

2 stops34h 07m

$6,195

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/6

Showing 1-10 of 22 resultsSorted by cheapest first
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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 36h 38m. Japan Airlines provides one of the quickest options available for as low as $1,962. 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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