$380+ 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 2/18. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — PUS
Feb 28 — Mar 71
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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.Cheap 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 January 29, 2026.
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 29, 2026.
This oojo deal was found by Cheapflights users on 1/29. 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 10/1212:25 pm
LAX
- PUS
1 stop39h 25m
Philippine Airlines
Mon 10/269:00 pm
PUS
- LAX
1 stop39h 00m
Philippine Airlines
Deal found 1/29![Philippine Airlines logo]()
$760
This oojo deal was found by Cheapflights users on 1/27. 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.
Tue 1/2710:10 pm
LAX
- PUS
1 stop20h 40m
Philippine Airlines
Sun 2/112:55 pm
PUS
- LAX
1 stop36h 00m
Philippine Airlines
Deal found 1/27![Philippine Airlines logo]()
$788
This FlightHub deal was found by Cheapflights users on 1/29. 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 3/311:30 am
LAX
- PUS
1 stop36h 20m
China Eastern
Tue 3/1712:35 pm
PUS
- LAX
1 stop37h 30m
China Eastern
Deal found 1/29![China Eastern logo]()
$806
This Gurufare deal was found by Cheapflights users on 1/27. 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.
Sat 11/2111:00 pm
LAX
- PUS
1 stop27h 50m
Philippine Airlines
Sun 11/299:00 pm
PUS
- LAX
1 stop40h 00m
Philippine Airlines
Deal found 1/27![Philippine Airlines logo]()
$811
This Gotogate deal was found by Cheapflights users on 1/28. 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.
Tue 3/311:30 am
LAX
- PUS
1 stop31h 05m
China Eastern
Fri 3/2012:35 pm
PUS
- LAX
1 stop37h 30m
China Eastern
Deal found 1/28![China Eastern logo]()
$822
This oojo deal was found by Cheapflights users on 1/28. 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 5/1812:05 am
LAX
- PUS
1 stop19h 10m
China Airlines
Wed 6/108:00 pm
PUS
- LAX
1 stop16h 45m
China Airlines
Deal found 1/28![China Airlines logo]()
$827
This FlightHub deal was found by Cheapflights users on 1/27. 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.
Fri 11/203:55 pm
LAX
- PUS
1 stop34h 55m
Philippine Airlines
Tue 12/19:00 pm
PUS
- LAX
1 stop32h 45m
Philippine Airlines
Deal found 1/27![Philippine Airlines logo]()
$829
This Gurufare deal was found by Cheapflights users on 1/27. 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.
Fri 11/203:55 pm
LAX
- PUS
1 stop34h 55m
Philippine Airlines
Sat 11/289:00 pm
PUS
- LAX
1 stop32h 45m
Philippine Airlines
Deal found 1/27![Philippine Airlines logo]()
$837
This Kiwi.com deal was found by Cheapflights users on 1/26. 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.
Mon 2/210:30 pm
LAX
- PUS
1 stop19h 20m
Multiple Airlines
Fri 2/69:00 am
PUS
- LAX
2 stops30h 58m
Multiple Airlines
Deal found 1/26![Multiple Airlines logo]()
$858
This oojo deal was found by Cheapflights users on 1/27. 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.
Tue 2/311:00 pm
LAX
- PUS
1 stop25h 40m
EVA Air
Mon 2/96:55 pm
PUS
- LAX
1 stop28h 55m
EVA Air
Deal found 1/27![EVA Air logo]()
$859
This FlightHub deal was found by Cheapflights users on 1/27. 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.
Wed 11/1811:00 pm
LAX
- PUS
1 stop25h 40m
EVA Air
Tue 12/16:55 pm
PUS
- LAX
1 stop17h 40m
EVA Air
Deal found 1/27![EVA Air logo]()
$860
This FlightHub deal was found by Cheapflights users on 1/27. 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.
Wed 11/1810:40 pm
LAX
- PUS
1 stop19h 10m
China Airlines
Sun 11/2911:50 am
PUS
- LAX
1 stop24h 35m
China Airlines
Deal found 1/27![China Airlines logo]()
$864
Find flight deals from Irvine to Busan
Keep the following information in mind while searching for Irvine to Busan flight deals. Data was last updated January 29, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $806 (FlightHub) |
One-way from | $380 (Kiwi.com) |
Popular in | June |
Cheapest in | September |
Average price | $1,454 |
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 January 29, 2026.
Use the filters below to find and compare flights from Irvine to Busan that are best for you.
Fly from
Irvine
Fly to
Busan
Route
Depart
Return
Price
Los AngelesBusan
LAX - PUS
LAXPUS
Los Angeles
Tue 4/14
12:30 pm-11:35 am
1 stop31h 05m
Busan Gimhae
Wed 4/22
5:50 pm-10:05 am
1 stop32h 15m
$806
Los AngelesBusan
LAX - PUS
LAXPUS
Los Angeles
Tue 3/3
11:30 am-4:50 pm
1 stop36h 20m
Busan Gimhae
Tue 3/17
12:35 pm-10:05 am
1 stop37h 30m
$806
Los AngelesBusan
LAX - PUS
LAXPUS
Los Angeles
Sun 3/8
12:05 am-5:40 pm
1 stop25h 35m
Busan Gimhae
Thu 3/19
6:55 pm-8:35 pm
1 stop17h 40m
$859
Los AngelesBusan
LAX - PUS
LAXPUS
Los Angeles
Wed 4/15
12:30 am-6:00 pm
1 stop25h 30m
Busan Gimhae
Mon 4/20
7:10 pm-8:55 pm
1 stop17h 45m
$859
Los AngelesBusan
LAX - PUS
LAXPUS
Los Angeles
Thu 4/9
12:05 am-6:00 pm
1 stop25h 55m
Busan Gimhae
Sun 4/19
7:10 pm-7:10 am
1 stop28h 00m
$877
Los AngelesBusan
LAX - PUS
LAXPUS
Los Angeles
Sun 4/12
12:05 am-6:00 pm
1 stop25h 55m
Busan Gimhae
Sat 4/25
7:10 pm-8:55 pm
1 stop17h 45m
$879
Los AngelesBusan
LAX - PUS
LAXPUS
Los Angeles
Sun 4/12
12:30 pm-11:35 am
1 stop31h 05m
Busan Gimhae
Sun 4/26
12:35 pm-10:05 am
1 stop37h 30m
$896
Los AngelesBusan
LAX - PUS
LAXPUS
Los Angeles
Sat 4/11
12:30 am-6:00 pm
1 stop25h 30m
Busan Gimhae
Sun 4/26
7:10 pm-7:10 am
1 stop28h 00m
$897
Los AngelesBusan
LAX - PUS
LAXPUS
Los Angeles
Sat 2/28
11:00 pm-2:35 pm
1 stop22h 35m
Busan Gimhae
Mon 3/9
3:45 pm-7:00 am
1 stop31h 15m
$909
Los AngelesBusan
LAX - PUS
LAXPUS
Los Angeles
Tue 3/3
11:30 am-6:10 pm
1 stop37h 40m
Busan Gimhae
Tue 3/17
11:05 am-4:36 pm
2 stops21h 31m
$928
Showing 1-10 of 19 results
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.
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 January 23, 2026.
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, February is the cheapest month in which you can book a flight from Irvine to Busan (average of $640). Flying from Irvine to Busan in January is currently the most expensive (average of $1,331). 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.
How much does it cost to fly round-trip from Irvine to Busan?
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 29, 2026.
Get a feel of what it's like to fly with Korean Air, China Airlines, and Cathay Pacific from Irvine to Busan by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
8.2
Crew
8.7
Comfort
8.3
Overall
8.4
Boarding
8.5
Food
8.1
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Entertainment
8.2
Crew
8.7
Comfort
8.3
Overall
8.4
Boarding
8.5
Food
8.1
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Entertainment
8.2
Crew
8.7
Comfort
8.3
Overall
8.4
Boarding
8.5
Food
8.1
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Entertainment
8.2
Crew
8.7
Comfort
8.3
Overall
8.4
Boarding
8.5
Food
8.1
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Entertainment
8.2
Crew
8.7
Comfort
8.3
Overall
8.4
Boarding
8.5
Food
8.1
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Entertainment
8.2
Crew
8.7
Comfort
8.3
Overall
8.4
Boarding
8.5
Food
8.1
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
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.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes for Irvine to Busan
See prices for flight routes from nearby airports that may be better suited for you.
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 29, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$663 | Average$759 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$750 | Average$812 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$760 | Average$871 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$887 | Average$1,080 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$1,147 | Average$1,521 | FlexibilityNo cancel fee | On-time81% |