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$342+ Cheap flights from Irvine, CA to Busan (PUS)

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 3/26. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — PUS
Jan 26 — Feb 21
Sun 1/26
Sun 2/2
1 adult, Economy
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The best prices from Irvine to Busan Gimhae are usually found in September or October, booked 72 days in advance, depart on a Wednesday or Monday and return on a Monday

Cheap flight deals from Irvine to Busan

Discover tips and strategies to find the most affordable flight options for your journey from Irvine (IR9) to Busan (PUS). 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 January 21, 2025.

Round-trip from

$640
(oojo)

One-way from

$342
(Kiwi.com)

Popular in

July

Cheapest in

September

Average price

$1,333
From Irvine to Busan Gimhae
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One-way flight from Irvine to Busan Gimhae
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Highest demand for flights based on searches. 17% potential increase in price ($282 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($53 potential savings vs. average RT price).
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Average for round-trip flights in January 2025
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Find flight deals from Irvine to Busan

Cheapest flights from Irvine to Busan
Explore the most affordable flight options available from Irvine to Busan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2025.

This oojo deal was found by Cheapflights users on 1/20. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/311:30 amLAX - PUS
1 stop31h 05mChina Eastern
Mon 3/105:50 pmPUS - LAX
1 stop32h 15mChina Eastern
Deal found 1/20$640
This FlightHub deal was found by Cheapflights users on 1/20. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/2711:00 pmLAX - PUS
1 stop20h 45mAir China
Mon 4/1412:45 pmPUS - LAX
1 stop23h 25mAir China
Deal found 1/20$680
This Kiwi.com deal was found by Cheapflights users on 1/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/229:35 amLAX - PUS
2 stops41h 20mMultiple Airlines
Mon 2/32:05 pmPUS - LAX
1 stop34h 30mMultiple Airlines
Deal found 1/21$777
This CrystalTravel deal was found by Cheapflights users on 1/20. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2312:30 amLAX - PUS
1 stop20h 40mCathay Pacific
Sun 5/111:40 pmPUS - LAX
1 stop24h 35mCathay Pacific
Deal found 1/20$871
This oojo deal was found by Cheapflights users on 1/21. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/144:25 pmLAX - PUS
1 stop26h 50mChina Airlines
Wed 5/2812:15 pmPUS - LAX
1 stop24h 30mChina Airlines
Deal found 1/21$1,008
This oojo deal was found by Cheapflights users on 1/21. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/2710:00 pmLAX - PUS
1 stop28h 45mPhilippine Airlines
Wed 2/128:45 pmPUS - LAX
1 stop39h 15mPhilippine Airlines
Deal found 1/21$1,112
This oojo deal was found by Cheapflights users on 1/21. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/911:00 pmLAX - PUS
2 stops43h 25mAsiana Airlines
Wed 3/125:55 pmPUS - LAX
2 stops31h 45mAsiana Airlines
Deal found 1/21$1,132
This CrystalTravel deal was found by Cheapflights users on 1/19. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/178:30 amLAX - PUS
2 stops20h 15mKorean Air
Fri 4/2510:45 amPUS - LAX
1 stop14h 55mKorean Air
Deal found 1/19$1,247
This FlightHub deal was found by Cheapflights users on 1/21. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1211:40 pmLAX - PUS
1 stop62h 40mSingapore Airlines
Sun 8/177:40 amPUS - LAX
1 stop30h 00mSingapore Airlines
Deal found 1/21$1,363
This Delta deal was found by Cheapflights users on 1/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/307:00 amLAX - PUS
2 stops32h 10mDelta
Sat 2/157:00 amPUS - LAX
1 stop18h 30mDelta
Deal found 1/20$1,381
This Vietnam Airlines deal was found by Cheapflights users on 1/21. 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 Vietnam Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2312:05 amLAX - PUS
2 stops39h 45mVietnam Airlines
Tue 5/2010:00 amPUS - LAX
2 stops26h 45mVietnam Airlines
Deal found 1/21$1,541

Find flights from Irvine to Busan within your budget

Customize your flight search to find flights from Irvine to Busan 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 January 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

Los AngelesBusan

LAX - PUS

LAXPUS

Los Angeles

Mon 3/3

11:30 am-11:35 am

1 stop31h 05m

Busan Gimhae

Mon 3/10

5:50 pm-10:05 am

1 stop32h 15m

$640

Los AngelesBusan

LAX - PUS

LAXPUS

Los Angeles

Thu 3/27

11:00 pm-11:45 am

1 stop20h 45m

Busan Gimhae

Mon 4/14

12:45 pm-8:10 pm

1 stop23h 25m

$680

Los AngelesBusan

LAX - PUS

LAXPUS

Los Angeles

Mon 3/3

10:00 pm-4:05 pm

2 stops25h 05m

Busan Gimhae

Mon 3/10

12:45 pm-8:00 pm

1 stop23h 15m

$831

Los AngelesBusan

LAX - PUS

LAXPUS

Los Angeles

Wed 4/23

12:30 am-1:10 pm

1 stop20h 40m

Busan Gimhae

Sun 5/11

1:40 pm-10:15 pm

1 stop24h 35m

$871

Los AngelesBusan

LAX - PUS

LAXPUS

Los Angeles

Wed 5/14

4:25 pm-11:15 am

1 stop26h 50m

Busan Gimhae

Wed 5/28

12:15 pm-8:45 pm

1 stop24h 30m

$1,008

Los AngelesBusan

LAX - PUS

LAXPUS

Los Angeles

Sun 3/9

11:00 pm-1:00 pm

2 stops46h 00m

Busan Gimhae

Wed 3/12

5:55 pm-9:40 am

2 stops31h 45m

$1,132

Los AngelesBusan

LAX - PUS

LAXPUS

Los Angeles

Thu 4/17

8:30 am-8:45 pm

2 stops20h 15m

Busan Gimhae

Fri 4/25

10:45 am-9:40 am

1 stop14h 55m

$1,247

Los AngelesBusan

LAX - PUS

LAXPUS

Los Angeles

Mon 6/9

11:45 pm-7:50 pm

1 stop28h 05m

Busan Gimhae

Fri 6/20

9:00 pm-9:50 am

1 stop28h 50m

$1,511

Los AngelesBusan

LAX - PUS

LAXPUS

Los Angeles

Wed 4/23

12:05 am-7:50 am

2 stops39h 45m

Busan Gimhae

Tue 5/20

10:00 am-8:45 pm

2 stops26h 45m

$1,541

Los AngelesBusan

LAX - PUS

LAXPUS

Los Angeles

Mon 2/3

9:35 am-7:55 pm

2 stops41h 20m

$361

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Showing 1-10 of 11 results
1
2

Best time to book a flight from Irvine to Busan

Have a flexible travel schedule? Discover the best time to fly to Busan from Irvine 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.

Travel insights for flights from Irvine to Busan

Get recent, data-driven insights about flights from Irvine to Busan including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Irvine to Busan?

Use this chart to determine the optimal time to book a round-trip flight from Irvine to Busan. Price data was last updated on January 17, 2025.

The best time to book flights from Irvine to Busan is 72 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Irvine to Busan?

Currently, August is the cheapest month in which you can book a flight from Irvine to Busan (average of $1,166). Flying from Irvine to Busan in December is currently the most expensive (average of $2,247). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from IR9 to PUS?

Find hourly flight availability from Irvine to Busan. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 21, 2025.

When flying from Irvine to Busan, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Busan by month

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

In terms of precipitation, rainfall in Busan ranges from 0.9 - 10.2 inches per month. July is typically the wettest month, when rainfall can reach 10.2 in. December is typically the driest time to visit Busan when rainfall is around 0.9 in.

Temperature in Busan by month

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

If weather is an important factor for your trip to Busan, 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 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

Reviews of airlines servicing Busan

Get insights into the airlines that provide service to Busan. 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 Busan. Reviews last updated January 21, 2025.
Peruse reviews from past customers who have flown with China Airlines, China Eastern and Delta from Irvine to Busan to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.5
Very good
1,039 reviews

Crew

8.7

Entertainment

8.2

Overall

8.5

Boarding

8.5

Food

8.1

Comfort

8.3

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Korean Air
8.5
Very good
1,039 reviews
Korean Air
8.5
Very good
1,039 reviews

Crew

8.7

Entertainment

8.2

Overall

8.5

Boarding

8.5

Food

8.1

Comfort

8.3

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Japan Airlines
8.3
Very good
1,449 reviews
Korean Air
8.5
Very good
1,039 reviews

Crew

8.7

Entertainment

8.2

Overall

8.5

Boarding

8.5

Food

8.1

Comfort

8.3

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Asiana Airlines
8.3
Very good
466 reviews
Korean Air
8.5
Very good
1,039 reviews

Crew

8.7

Entertainment

8.2

Overall

8.5

Boarding

8.5

Food

8.1

Comfort

8.3

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

China Airlines
8.2
Very good
737 reviews
Korean Air
8.5
Very good
1,039 reviews

Crew

8.7

Entertainment

8.2

Overall

8.5

Boarding

8.5

Food

8.1

Comfort

8.3

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Singapore Airlines
8.1
Very good
1,328 reviews
Korean Air
8.5
Very good
1,039 reviews

Crew

8.7

Entertainment

8.2

Overall

8.5

Boarding

8.5

Food

8.1

Comfort

8.3

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Related info for your journey

Find useful and relevant information for your journey from Irvine to Busan. 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 into for flights to Busan from Irvine?

    Busan Gimhae (PUS), located 7.2 mi from the city center, is the airport you fly into when you book flights from Irvine to Busan. 5 airlines have flights to Gimhae from Irvine on a regular basis. Booking flights from Irvine to Busan Gimhae should not be difficult; the airport handles an average of 0 inbound flights from Irvine per day.

  • What are the cheapest airlines to fly from Irvine to Busan one-way?

    $430 is the cheapest one-way deal found within the past few days, from China Eastern. You may also be able to find cheap deals on Cathay Pacific and China Airlines, with prices starting from $457 and $601, respectively.

  • Can I find deals for flights from Irvine to Busan that include hotel bookings?

    Yes. In addition to deals on Irvine to Busan flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Irvine to Busan?

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

  • Can I find deals for business class flights from Irvine to Busan?

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

  • What is the cheapest month to book a flight from Irvine to Busan?

    Currently, August is the cheapest month in which you can book a flight from Irvine to Busan (average of $1,166). Flying from Irvine to Busan in December is currently the most expensive (average of $2,247). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Irvine to Busan

Discover the top 5 airlines that operate flights from Irvine to Busan. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
China EasternCheapest$640Average$721FlexibilityNo cancel feeOn-time62%
Cathay PacificCheapest$727Average$889FlexibilityNo cancel feeOn-time72%
China AirlinesCheapest$1,021Average$1,123FlexibilityNo cancel feeOn-time70%
Korean AirCheapest$1,189Average$1,753FlexibilityNo cancel feeOn-time81%
Asiana AirlinesCheapest$1,258Average$1,838FlexibilityNo cancel feeOn-time76%
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