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$390+ Cheap flights from Riverside, 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 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — PUS
Nov 13 — Nov 201
Thu 11/13
Thu 11/20
1 adult, Economy
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Cheapflights Tip: The best prices from Riverside to Busan Gimhae are usually found in September or October, booked 46 days in advance, depart on a Wednesday or Monday and return on a Monday

Cheap flight deals from Riverside to Busan

Keep the following information in mind while searching for Riverside to Busan flight deals. Data was last updated October 14, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$654
(Trip.com)

One-way from

$390
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$980
Provider with most accurate pricing for Los Angeles-Busan Gimhae flight deals.
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Provider most trusted by Cheapflights users for Los Angeles-Busan Gimhae flights.
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From Riverside to Busan Gimhae
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One-way flight from Riverside to Busan Gimhae
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Highest demand for flights based on searches. 9% potential increase in price ($146 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($48 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from Riverside to Busan

Cheapest flights from Riverside to Busan
Explore the most affordable flight options available from Riverside to Busan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 14, 2025.

This Trip.com deal was found by Cheapflights users on 10/13. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/211:30 amLAX - PUS
1 stop31h 05mChina Eastern
Sun 11/165:50 pmPUS - LAX
1 stop32h 15mChina Eastern
Deal found 10/13$654
This Ticket deal was found by Cheapflights users on 10/13. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2712:30 pmLAX - PUS
1 stop36h 20mChina Eastern
Sun 11/95:50 pmPUS - LAX
1 stop32h 15mChina Eastern
Deal found 10/13$660
This Gurufare deal was found by Cheapflights users on 10/13. 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.
Tue 11/1111:30 amLAX - PUS
1 stop31h 05mChina Eastern
Tue 11/255:50 pmPUS - LAX
1 stop32h 15mChina Eastern
Deal found 10/13$680
This Ovago deal was found by Cheapflights users on 10/13. 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.
Mon 11/2411:30 amLAX - PUS
1 stop31h 05mChina Eastern
Wed 11/265:50 pmPUS - LAX
1 stop32h 15mChina Eastern
Deal found 10/13$686
This Kiwi.com deal was found by Cheapflights users on 10/13. 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.
Tue 11/259:25 amLAX - PUS
1 stop34h 35mMultiple Airlines
Wed 12/31:25 pmPUS - LAX
1 stop35h 00mMultiple Airlines
Deal found 10/13$693
This KAYAK deal was found by Cheapflights users on 10/13. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/2411:30 amLAX - PUS
1 stop31h 05mChina Eastern
Wed 12/312:35 pmPUS - LAX
1 stop37h 30mChina Eastern
Deal found 10/13$699
This Gotogate deal was found by Cheapflights users on 10/12. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2712:30 pmLAX - PUS
1 stop31h 05mChina Eastern
Wed 11/1212:35 pmPUS - LAX
1 stop37h 30mChina Eastern
Deal found 10/12$706
This Trip.com deal was found by Cheapflights users on 10/13. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2711:30 amLAX - PUS
1 stop31h 05mChina Eastern
Thu 12/45:50 pmPUS - LAX
1 stop32h 15mChina Eastern
Deal found 10/13$710
This Kiwi.com deal was found by Cheapflights users on 10/13. 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.
Tue 11/119:25 amLAX - PUS
1 stop34h 35mMultiple Airlines
Tue 11/259:25 amPUS - LAX
2 stops39h 00mMultiple Airlines
Deal found 10/13$712
This Kiwi.com deal was found by Cheapflights users on 10/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2710:25 amLAX - PUS
2 stops33h 55mMultiple Airlines
Wed 11/127:20 amPUS - LAX
1 stop17h 05mMultiple Airlines
Deal found 10/12$713
This Kiwi.com deal was found by Cheapflights users on 10/13. 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 10/2010:50 amLAX - PUS
1 stop28h 30mMultiple Airlines
Wed 11/197:20 amPUS - LAX
1 stop17h 05mMultiple Airlines
Deal found 10/13$747

Cheapflights Fare Finder

 
Customize your flight search to find flights from Riverside 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 October 14, 2025.
Use the filters below to find and compare flights from Riverside to Busan that are best for you.

Fly from

Riverside

Fly to

Busan

Route

Depart

Return

Price

Los AngelesBusan

LAX - PUS

LAXPUS

Los Angeles

Sun 11/2

11:30 am-11:35 am

1 stop31h 05m

Busan Gimhae

Sun 11/16

5:50 pm-9:05 am

1 stop32h 15m

$654

Los AngelesBusan

LAX - PUS

LAXPUS

Los Angeles

Tue 11/25

11:30 am-11:35 am

1 stop31h 05m

Busan Gimhae

Tue 12/2

12:35 pm-9:05 am

1 stop37h 30m

$699

Los AngelesBusan

LAX - PUS

LAXPUS

Los Angeles

Mon 11/24

11:30 am-11:35 am

1 stop31h 05m

Busan Gimhae

Wed 12/3

12:35 pm-9:05 am

1 stop37h 30m

$699

Los AngelesBusan

LAX - PUS

LAXPUS

Los Angeles

Mon 11/24

11:30 am-11:35 am

1 stop31h 05m

Busan Gimhae

Tue 12/2

12:35 pm-9:05 am

1 stop37h 30m

$699

Los AngelesBusan

LAX - PUS

LAXPUS

Los Angeles

Sat 11/1

12:30 pm-11:35 am

1 stop31h 05m

Busan Gimhae

Sat 11/8

12:35 pm-9:05 am

1 stop37h 30m

$799

Los AngelesBusan

LAX - PUS

LAXPUS

Los Angeles

Fri 11/21

10:30 pm-8:55 pm

1 stop29h 25m

Busan Gimhae

Wed 11/26

7:20 am-7:25 am

1 stop17h 05m

$820

Los AngelesBusan

LAX - PUS

LAXPUS

Los Angeles

Sun 11/23

10:50 am-11:50 am

1 stop32h 00m

Busan Gimhae

Tue 12/2

8:55 pm-7:05 pm

1 stop39h 10m

$834

Los AngelesBusan

LAX - PUS

LAXPUS

Los Angeles

Thu 11/27

9:25 am-6:55 pm

1 stop16h 30m

Busan Gimhae

Thu 12/4

7:20 am-10:03 pm

3 stops31h 43m

$852

Los AngelesBusan

LAX - PUS

LAXPUS

Los Angeles

Mon 3/16

11:10 pm-7:55 pm

1 stop28h 45m

Busan Gimhae

Wed 4/8

8:45 pm-10:00 am

1 stop29h 15m

$865

Los AngelesBusan

LAX - PUS

LAXPUS

Los Angeles

Sun 11/23

10:50 am-11:50 am

1 stop32h 00m

Busan Gimhae

Wed 12/3

8:55 pm-7:05 pm

1 stop39h 10m

$865

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/13

Showing 1-10 of 20 results
1
2

Best time to book a flight from Riverside to Busan

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

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

Use this chart to determine the optimal time to book a round-trip flight from Riverside to Busan. Price data was last updated on October 10, 2025.

Booking 44 days in advance of your planned departure date is, on average, the best time to get cheap flights from Riverside to Busan. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, February is the cheapest month in which you can book a flight from Riverside to Busan (average of $574). Flying from Riverside to Busan in June is currently the most expensive (average of $1,428). 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 R1V to PUS?

Find hourly flight availability from Riverside 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 October 14, 2025.

It’s typically best to fly out from Riverside to Busan in the evening. Doing so could potentially save you 30% on the flight price compared to flying in the morning, which is usually more expensive.

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 October 14, 2025.
See what other customers who have flown with Korean Air, China Airlines, and Cathay Pacific from Riverside to Busan have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very good
1,149 reviews

Crew

8.7

Overall

8.4

Food

8.1

Comfort

8.3

Entertainment

8.2

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Korean Air
8.4
Very good
1,149 reviews
Korean Air
8.4
Very good
1,149 reviews

Crew

8.7

Overall

8.4

Food

8.1

Comfort

8.3

Entertainment

8.2

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
China Airlines
8.3
Very good
768 reviews
Korean Air
8.4
Very good
1,149 reviews

Crew

8.7

Overall

8.4

Food

8.1

Comfort

8.3

Entertainment

8.2

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Cathay Pacific
7.6
Good
1,023 reviews
Korean Air
8.4
Very good
1,149 reviews

Crew

8.7

Overall

8.4

Food

8.1

Comfort

8.3

Entertainment

8.2

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
China Eastern
7.2
Good
168 reviews
Korean Air
8.4
Very good
1,149 reviews

Crew

8.7

Overall

8.4

Food

8.1

Comfort

8.3

Entertainment

8.2

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Air China
7.2
Good
114 reviews
Korean Air
8.4
Very good
1,149 reviews

Crew

8.7

Overall

8.4

Food

8.1

Comfort

8.3

Entertainment

8.2

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.

Related info for your journey

Find useful and relevant information for your journey from Riverside 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 Riverside?

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

  • How long is the flight from Riverside to Busan?

    China Eastern can get you from Riverside to Busan in just under 31h 05m. Your travel time can differ by up to . Riverside and Busan are separated by a distance of 5974 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Riverside 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 Riverside to Busan?

    Currently, February is the cheapest month in which you can book a flight from Riverside to Busan (average of $574). Flying from Riverside to Busan in June is currently the most expensive (average of $1,428). 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.

See more FAQs

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Top 5 airlines flying from Riverside to Busan

Discover the top 5 airlines that operate flights from Riverside 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 October 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
China EasternCheapest$640Average$776FlexibilityNo cancel feeOn-time62%
Air ChinaCheapest$680Average$758FlexibilityNo cancel feeOn-time67%
Cathay PacificCheapest$760Average$871FlexibilityNo cancel feeOn-time72%
China AirlinesCheapest$917Average$1,098FlexibilityNo cancel feeOn-time70%
Korean AirCheapest$1,175Average$1,474FlexibilityNo cancel feeOn-time81%

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