HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Busan

$395+ 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 11/11. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — PUS
dic. 5 — dic. 121
vie. 12/5
vie. 12/12
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Riverside 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 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 noviembre 5, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$650
(FlightHub)

One-way from

$395
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$1,173
Provider with most accurate pricing for Los Angeles-Busan Gimhae flight deals.
Search Deals
Provider most trusted by Cheapflights users for Los Angeles-Busan Gimhae flights.
Search Deals
From Riverside to Busan Gimhae
Search Deals
One-way flight from Riverside to Busan Gimhae
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($119 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($50 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

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 noviembre 5, 2025.

This FlightHub deal was found by Cheapflights users on 11/3. 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.
lun. 11/2411:30 amLAX - PUS
1 stop31h 05mChina Eastern
dom. 12/145:50 pmPUS - LAX
1 stop32h 15mChina Eastern
Deal found 11/3$650
This Gurufare deal was found by Cheapflights users on 11/4. 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.
lun. 11/2411:30 amLAX - PUS
1 stop31h 05mChina Eastern
jue. 12/115:50 pmPUS - LAX
1 stop32h 15mChina Eastern
Deal found 11/4$680
This Mytrip deal was found by Cheapflights users on 11/5. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/2411:30 amLAX - PUS
1 stop31h 05mChina Eastern
sáb. 12/1312:35 pmPUS - LAX
1 stop37h 30mChina Eastern
Deal found 11/5$724
This Trip.com deal was found by Cheapflights users on 11/5. 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.
mié. 11/1911:30 amLAX - PUS
1 stop31h 05mChina Eastern
mar. 12/95:50 pmPUS - LAX
1 stop32h 15mChina Eastern
Deal found 11/5$761
This Kiwi.com deal was found by Cheapflights users on 11/4. 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.
lun. 11/249:50 amLAX - PUS
1 stop29h 45mMultiple Airlines
jue. 12/117:30 amPUS - LAX
2 stops43h 35mMultiple Airlines
Deal found 11/4$764
This Kiwi.com deal was found by Cheapflights users on 11/5. 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.
dom. 11/239:50 amLAX - PUS
1 stop29h 45mMultiple Airlines
jue. 12/117:30 amPUS - LAX
2 stops43h 35mMultiple Airlines
Deal found 11/5$778
This Kiwi.com deal was found by Cheapflights users on 11/5. 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.
lun. 11/249:50 amLAX - PUS
1 stop29h 45mMultiple Airlines
sáb. 12/137:30 amPUS - LAX
2 stops43h 35mMultiple Airlines
Deal found 11/5$788
This Kiwi.com deal was found by Cheapflights users on 11/5. 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.
dom. 11/239:50 amLAX - PUS
1 stop29h 45mMultiple Airlines
vie. 12/128:30 pmPUS - LAX
2 stops54h 35mMultiple Airlines
Deal found 11/5$790
This Kiwi.com deal was found by Cheapflights users on 11/5. 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.
dom. 11/239:50 amLAX - PUS
1 stop29h 45mMultiple Airlines
sáb. 12/138:30 pmPUS - LAX
2 stops54h 35mMultiple Airlines
Deal found 11/5$803
This Kiwi.com deal was found by Cheapflights users on 11/3. 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.
lun. 11/249:50 amLAX - PUS
2 stops35h 25mMultiple Airlines
dom. 12/147:20 amPUS - LAX
1 stop17h 05mMultiple Airlines
Deal found 11/3$808

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 noviembre 5, 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

lun. 11/24

11:30 am-11:35 am

1 stop31h 05m

Busan Gimhae

sáb. 12/13

12:35 pm-9:05 am

1 stop37h 30m

$697

Los AngelesBusan

LAX - PUS

LAXPUS

Los Angeles

lun. 11/24

11:30 am-11:35 am

1 stop31h 05m

Busan Gimhae

vie. 12/12

5:50 pm-9:05 am

1 stop32h 15m

$697

Los AngelesBusan

LAX - PUS

LAXPUS

Los Angeles

lun. 11/24

11:30 am-11:35 am

1 stop31h 05m

Busan Gimhae

dom. 12/14

12:35 pm-9:05 am

1 stop37h 30m

$744

Los AngelesBusan

LAX - PUS

LAXPUS

Los Angeles

lun. 11/24

9:50 am-8:35 am

1 stop29h 45m

Busan Gimhae

sáb. 12/13

7:30 am-10:05 am

2 stops43h 35m

$788

Los AngelesBusan

LAX - PUS

LAXPUS

Los Angeles

lun. 11/24

9:50 am-8:35 am

1 stop29h 45m

Busan Gimhae

vie. 12/12

8:30 pm-10:05 am

2 stops54h 35m

$790

Los AngelesBusan

LAX - PUS

LAXPUS

Los Angeles

dom. 11/23

9:50 am-8:35 am

1 stop29h 45m

Busan Gimhae

vie. 12/12

8:30 pm-10:05 am

2 stops54h 35m

$790

Los AngelesBusan

LAX - PUS

LAXPUS

Los Angeles

lun. 3/9

12:30 pm-11:35 am

1 stop31h 05m

Busan Gimhae

jue. 3/12

12:35 pm-10:05 am

1 stop37h 30m

$799

Los AngelesBusan

LAX - PUS

LAXPUS

Los Angeles

dom. 11/23

9:50 am-8:35 am

1 stop29h 45m

Busan Gimhae

sáb. 12/13

8:30 pm-10:05 am

2 stops54h 35m

$803

Los AngelesBusan

LAX - PUS

LAXPUS

Los Angeles

mié. 1/7

11:30 am-11:35 am

1 stop31h 05m

Busan Gimhae

mié. 1/28

5:50 pm-9:05 am

1 stop32h 15m

$805

Los AngelesBusan

LAX - PUS

LAXPUS

Los Angeles

dom. 11/23

9:50 am-8:35 am

1 stop29h 45m

Busan Gimhae

mié. 12/10

8:30 pm-10:05 am

2 stops54h 35m

$819

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/4

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 31, 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 $1,398). 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 noviembre 5, 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 noviembre 5, 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
1,160 reviews

Entertainment

8.2

Crew

8.7

Comfort

8.3

Boarding

8.5

Food

8.1

Overall

8.4

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
1,160 reviews
Korean Air
8.4
Very good
1,160 reviews

Entertainment

8.2

Crew

8.7

Comfort

8.3

Boarding

8.5

Food

8.1

Overall

8.4

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
776 reviews
Korean Air
8.4
Very good
1,160 reviews

Entertainment

8.2

Crew

8.7

Comfort

8.3

Boarding

8.5

Food

8.1

Overall

8.4

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
1,052 reviews
Korean Air
8.4
Very good
1,160 reviews

Entertainment

8.2

Crew

8.7

Comfort

8.3

Boarding

8.5

Food

8.1

Overall

8.4

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
174 reviews
Korean Air
8.4
Very good
1,160 reviews

Entertainment

8.2

Crew

8.7

Comfort

8.3

Boarding

8.5

Food

8.1

Overall

8.4

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
7.1
Good
122 reviews
Korean Air
8.4
Very good
1,160 reviews

Entertainment

8.2

Crew

8.7

Comfort

8.3

Boarding

8.5

Food

8.1

Overall

8.4

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 $1,398). 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

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 Riverside to Busan

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Incheon Intl flights
San Francisco to Incheon Intl flights
Los Angeles to Gimpo Intl flights
San Francisco to Gimpo Intl flights
Ontario to Incheon Intl flights
San Jose to Incheon Intl flights
Las Vegas to Incheon Intl flights
Santa Ana to Incheon Intl flights
San Diego to Incheon Intl flights
San Jose to Gimpo Intl flights
San Diego to Gimpo Intl flights
Las Vegas to Gimpo Intl flights
Burbank to Incheon Intl flights
Oakland to Incheon Intl flights
Los Angeles to Busan flights
Sacramento to Incheon Intl flights
Long Beach to Incheon Intl flights
Ontario to Busan flights
Reno to Incheon Intl flights
San Francisco to Busan flights
San Francisco to Jeju City flights
Los Angeles to Jeju City flights
Ontario to Gimpo Intl flights
Monterey to Incheon Intl flights
Santa Ana to Busan flights
Los Angeles to Daegu flights
Long Beach to Gimpo Intl flights
Santa Barbara to Incheon Intl flights
San Diego to Busan flights
Medford to Incheon Intl flights
Palm Springs to Incheon Intl flights
San Jose to Busan flights
San Jose to Jeju City flights
San Francisco to Daegu flights
Fresno to Busan flights
San Diego to Jeju City flights
Reno to Busan flights
Las Vegas to Busan flights

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 noviembre 5, 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$918Average$1,096FlexibilityNo cancel feeOn-time70%
Korean AirCheapest$1,175Average$1,490FlexibilityNo cancel feeOn-time81%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.