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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 7/21. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — GMP
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$1,430
(American Airlines)

One-way from

$638
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$1,322
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. 3% potential increase in price ($41 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($31 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This American Airlines deal was found by Cheapflights users on 6/12. 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.
Sun 9/1411:59 pmONT - GMP
2 stops29h 51mMultiple Airlines
Wed 9/247:55 amGMP - ONT
2 stops26h 59mMultiple Airlines
Deal found 6/12$1,430
This oojo deal was found by Cheapflights users on 6/12. 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 7/76:00 amONT - GMP
2 stops36h 45mJapan Airlines
Wed 7/167:20 pmGMP - ONT
2 stops38h 44mJapan Airlines
Deal found 6/12$1,569

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 12, 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

Sun 9/14

11:59 pm-9:50 pm

2 stops29h 51m

Seoul Gimpo Intl

Wed 9/24

7:55 am-6:54 pm

2 stops26h 59m

$1,430

OntarioSeoul

ONT - GMP

ONTGMP

Ontario

Mon 7/7

6:00 am-10:45 am

2 stops36h 45m

Seoul Gimpo Intl

Wed 7/16

7:20 pm-6:04 pm

2 stops38h 44m

$1,569

OntarioSeoul

ONT - GMP

ONTGMP

Ontario

Mon 7/21

9:41 pm-1:00 pm

3 stops47h 19m

$638

OntarioSeoul

ONT - GMP

ONTGMP

Ontario

Mon 8/11

6:58 pm-7:15 pm

2 stops32h 17m

$678

OntarioSeoul

ONT - GMP

ONTGMP

Ontario

Thu 9/11

6:00 am-9:50 pm

2 stops23h 50m

$836

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

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.

Cheapflights Insights

Everything you need to know about your flight from Ontario to Seoul Gimpo Intl Airport

Rainfall in Gimpo Intl by month

Plan your trip to Gimpo Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Seoul Gimpo Intl Airport ranges from 1.1 - 10.0 inches per month. July is typically the wettest month, when rainfall can reach 10.0 in. December is typically the driest time to visit Seoul Gimpo Intl Airport when rainfall is around 1.1 in.

Temperature in Gimpo Intl by month

Plan your trip to Gimpo Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Seoul Gimpo Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing Gimpo Intl

Get insights into the airlines that provide service to Gimpo Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Gimpo Intl. Reviews last updated June 12, 2025.
EVA Air
8.4
Very good
1,202 reviews

Overall

8.4

Entertainment

8.0

Food

8.1

Boarding

8.4

Comfort

8.3

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
EVA Air
8.4
Very good
1,202 reviews
EVA Air
8.4
Very good
1,202 reviews

Overall

8.4

Entertainment

8.0

Food

8.1

Boarding

8.4

Comfort

8.3

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Japan Airlines
8.3
Very good
1,489 reviews
EVA Air
8.4
Very good
1,202 reviews

Overall

8.4

Entertainment

8.0

Food

8.1

Boarding

8.4

Comfort

8.3

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

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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