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Gimpo Intl

$731+ 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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — GMP
May 25 — Jun 11
Mon 5/25
Mon 6/1
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 April 25, 2026.

This EVA Air deal was found by Cheapflights users on 4/24. 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 EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/56:58 pm
ONT
-
GMP
2 stops24h 52m
Multiple Airlines
Sat 11/141:50 pm
GMP
-
ONT
2 stops38h 19m
Multiple Airlines
Deal found 4/24$1,507
This Mytrip deal was found by Cheapflights users on 4/22. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/2412:10 am
ONT
-
GMP
1 stop25h 15m
Multiple Airlines
Sat 5/911:15 am
GMP
-
ONT
1 stop21h 50m
Multiple Airlines
Deal found 4/22$1,585
This Mytrip deal was found by Cheapflights users on 4/23. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2712:45 am
ONT
-
GMP
1 stop24h 40m
Multiple Airlines
Mon 9/711:20 am
GMP
-
ONT
1 stop23h 20m
Multiple Airlines
Deal found 4/23$1,629
This Mytrip deal was found by Cheapflights users on 4/23. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2712:45 am
ONT
-
GMP
1 stop24h 40m
Multiple Airlines
Sun 9/611:20 am
GMP
-
ONT
1 stop23h 20m
Multiple Airlines
Deal found 4/23$1,644
This Mytrip deal was found by Cheapflights users on 4/22. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/312:10 am
ONT
-
GMP
2 stops25h 50m
Multiple Airlines
Fri 5/811:25 am
GMP
-
ONT
2 stops21h 40m
Multiple Airlines
Deal found 4/22$1,716
This Mytrip deal was found by Cheapflights users on 4/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/512:10 am
ONT
-
GMP
2 stops29h 15m
Multiple Airlines
Sun 5/247:20 am
GMP
-
ONT
2 stops26h 40m
Multiple Airlines
Deal found 4/20$1,870
This Mytrip deal was found by Cheapflights users on 4/22. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/1412:45 am
ONT
-
GMP
2 stops27h 20m
Multiple Airlines
Mon 8/2410:40 am
GMP
-
ONT
2 stops24h 00m
Multiple Airlines
Deal found 4/22$1,921
This Mytrip deal was found by Cheapflights users on 4/20. 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 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 stops23h 30m
Multiple Airlines
Wed 7/158:10 am
GMP
-
ONT
2 stops26h 30m
Multiple Airlines
Deal found 4/20$1,996
This Mytrip deal was found by Cheapflights users on 4/24. 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.
Thu 5/2812:10 am
ONT
-
GMP
1 stop25h 15m
Multiple Airlines
Tue 6/211:15 am
GMP
-
ONT
1 stop22h 45m
Multiple Airlines
Deal found 4/24$2,012
This Japan Airlines deal was found by Cheapflights users on 4/23. 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.
Sun 7/1211:59 pm
ONT
-
GMP
2 stops29h 16m
Multiple Airlines
Wed 7/228:00 am
GMP
-
ONT
2 stops24h 57m
Multiple Airlines
Deal found 4/23$2,101

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 April 25, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,629
(Mytrip)

One-way from

$731
(Mytrip)

Popular in

December

Cheapest in

September

Average price

$900
Provider with most accurate pricing for Ontario-Seoul Gimpo Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Ontario-Seoul Gimpo Intl 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. 4% potential increase in price ($43 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($27 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 April 25, 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

Tue 5/5

12:10 am-9:25 pm

2 stops29h 15m

Seoul Gimpo Intl

Sun 5/24

7:20 am-6:00 pm

2 stops26h 40m

$1,870

OntarioSeoul

ONT - GMP

ONTGMP

Ontario

Sun 7/12

11:59 pm-9:15 pm

2 stops29h 16m

Seoul Gimpo Intl

Wed 7/22

8:00 am-4:57 pm

2 stops24h 57m

$2,101

OntarioSeoul

ONT - GMP

ONTGMP

Ontario

Sat 8/29

11:59 pm-10:40 am

2 stops42h 41m

Seoul Gimpo Intl

Wed 10/14

7:15 pm-1:27 pm

2 stops34h 12m

$2,123

OntarioSeoul

ONT - GMP

ONTGMP

Ontario

Mon 6/8

12:10 am-6:00 pm

2 stops25h 50m

Seoul Gimpo Intl

Wed 6/24

8:10 am-5:05 pm

2 stops24h 55m

$2,130
Quickest round-trip

OntarioSeoul

ONT - GMP

ONTGMP

Ontario

Sat 5/23

12:10 am-5:25 pm

1 stop25h 15m

Seoul Gimpo Intl

Sat 5/30

11:15 am-5:05 pm

1 stop21h 50m

$2,159

OntarioSeoul

ONT - GMP

ONTGMP

Ontario

Thu 8/27

11:59 pm-9:15 pm

2 stops29h 16m

Seoul Gimpo Intl

Mon 10/19

12:05 pm-1:27 pm

2 stops41h 22m

$2,283

OntarioSeoul

ONT - GMP

ONTGMP

Ontario

Tue 8/25

11:59 pm-10:40 am

2 stops42h 41m

Seoul Gimpo Intl

Thu 10/15

7:15 pm-1:27 pm

2 stops34h 12m

$2,283

OntarioSeoul

ONT - GMP

ONTGMP

Ontario

Wed 8/26

11:59 pm-10:40 am

2 stops42h 41m

Seoul Gimpo Intl

Thu 10/15

7:15 pm-1:27 pm

2 stops34h 12m

$2,283

OntarioSeoul

ONT - GMP

ONTGMP

Ontario

Sat 5/23

12:10 am-9:25 pm

2 stops29h 15m

Seoul Gimpo Intl

Mon 6/1

9:05 am-6:00 pm

2 stops24h 55m

$2,284

OntarioSeoul

ONT - GMP

ONTGMP

Ontario

Thu 8/27

11:59 pm-9:15 pm

2 stops29h 16m

Seoul Gimpo Intl

Thu 10/15

7:15 pm-1:27 pm

2 stops34h 12m

$2,340

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/24

Showing 1-10 of 22 resultsSorted by cheapest first
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Compare providers for flights from Ontario to Gimpo Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Gimpo Intl in April.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Ontario-Seoul Gimpo Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Seoul Gimpo Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Seoul Gimpo Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ontario-Seoul Gimpo Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Seoul Gimpo Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

  • 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.

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