$459+ 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 4/24. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from Irvine to Busan with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Irvine to Busan Gimhae are usually found in October or September, booked 44 days in advance, depart on a Wednesday or Monday and return on a Monday
Cheap flight deals from Irvine to Busan
Keep the following information in mind while searching for Irvine to Busan flight deals. Data was last updated April 10, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $786 (Gurufare) |
One-way from | $459 (Kiwi.com) |
Popular in | July |
Cheapest in | October |
Average price | $1,144 |
Find flight deals from Irvine to Busan
Cheapest flights from Irvine to BusanExplore 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 April 10, 2025.
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 April 10, 2025.
This Gurufare deal was found by Cheapflights users on 4/9. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This oojo deal was found by Cheapflights users on 4/8. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This oojo deal was found by Cheapflights users on 4/8. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Kiwi.com deal was found by Cheapflights users on 4/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Gotogate deal was found by Cheapflights users on 4/8. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This oojo deal was found by Cheapflights users on 4/9. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This CrystalTravel deal was found by Cheapflights users on 4/8. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Ovago deal was found by Cheapflights users on 4/8. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Justfly.com deal was found by Cheapflights users on 4/9. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Delta deal was found by Cheapflights users on 4/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Cheapflights Fare Finder
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 April 10, 2025.
Use the filters below to find and compare flights from Irvine to Busan that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
Los AngelesBusan
LAX - PUS
LAXPUS
Los Angeles
Wed 4/23
12:30 pm-11:35 am
1 stop31h 05m
Busan Gimhae
Wed 5/14
5:50 pm-10:05 am
1 stop32h 15m
Los AngelesBusan
LAX - PUS
LAXPUS
Los Angeles
Wed 4/23
4:25 pm-6:15 am
1 stop21h 50m
Busan Gimhae
Wed 5/14
7:20 am-7:07 pm
2 stops27h 47m
Los AngelesBusan
LAX - PUS
LAXPUS
Los Angeles
Tue 4/22
12:05 am-7:00 pm
1 stop26h 55m
Busan Gimhae
Wed 5/14
8:00 pm-8:45 pm
1 stop16h 45m
Los AngelesBusan
LAX - PUS
LAXPUS
Los Angeles
Tue 4/15
11:55 pm-7:50 pm
1 stop27h 55m
Busan Gimhae
Tue 4/22
9:00 pm-8:45 pm
1 stop39h 45m
Los AngelesBusan
LAX - PUS
LAXPUS
Los Angeles
Wed 4/23
12:10 pm-12:30 pm
2 stops32h 20m
Busan Gimhae
Wed 5/14
7:30 am-4:00 pm
2 stops24h 30m
Los AngelesBusan
LAX - PUS
LAXPUS
Los Angeles
Thu 5/15
12:25 pm-1:35 pm
1 stop33h 10m
Busan Gimhae
Fri 5/30
2:20 pm-10:05 pm
1 stop23h 45m
Los AngelesBusan
LAX - PUS
LAXPUS
Los Angeles
Thu 4/17
8:40 am-7:35 pm
2 stops18h 55m
Busan Gimhae
Fri 4/25
10:40 am-9:40 am
1 stop15h 00m
Los AngelesBusan
LAX - PUS
LAXPUS
Los Angeles
Wed 4/16
7:00 am-7:45 am
2 stops32h 45m
Busan Gimhae
Fri 4/25
8:45 am-10:39 pm
2 stops29h 54m
Los AngelesBusan
LAX - PUS
LAXPUS
Los Angeles
Wed 4/23
12:05 am-7:50 am
2 stops39h 45m
Busan Gimhae
Sun 5/11
10:00 am-8:45 pm
2 stops26h 45m
Los AngelesBusan
LAX - PUS
LAXPUS
Los Angeles
Tue 7/1
11:59 pm-6:20 am
3 stops62h 21m
Busan Gimhae
Thu 7/10
7:40 am-12:50 pm
2 stops45h 10m
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.
Cheapflights Insights
Everything you need to know about your flight from Irvine to Busan
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 April 4, 2025.
The best time to book flights from Irvine to Busan is 44 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 April 10, 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 April 10, 2025.
Peruse reviews from past customers who have flown with China Airlines, Asiana Airlines and Singapore Airlines 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.
Entertainment
Overall
Boarding
Food
Comfort
Crew
Reviews
Anonymous,Apr 2025
YVR - TPE
Entertainment
Overall
Boarding
Food
Comfort
Crew
Reviews
Anonymous,Apr 2025
YVR - TPE
Entertainment
Overall
Boarding
Food
Comfort
Crew
Reviews
Anonymous,Apr 2025
YVR - TPE
Entertainment
Overall
Boarding
Food
Comfort
Crew
Reviews
Anonymous,Apr 2025
YVR - TPE
Entertainment
Overall
Boarding
Food
Comfort
Crew
Reviews
Anonymous,Apr 2025
YVR - TPE
Entertainment
Overall
Boarding
Food
Comfort
Crew
Reviews
Anonymous,Apr 2025
YVR - TPE
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.
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Alternative routes for Irvine to Busan
See prices for flight routes from nearby airports that may be better suited for you.
Top 7 airlines flying from Irvine to Busan
Discover the top 7 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 April 10, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$640 | Average$779 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$680 | Average$780 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$740 | Average$889 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$1,023 | Average$1,165 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$1,186 | Average$1,724 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$1,258 | Average$1,838 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$1,284 | Average$1,467 | FlexibilityNo cancel fee | On-timeN/A |