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$366+ Cheap flights from Riverside, CA to Seoul (SEL)

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 10/17. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SEL
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheapflights Tip: The best prices from Riverside to Seoul are usually found in November or February, booked 29 days in advance, depart on a Tuesday or Monday and return on a Tuesday

Cheap flight deals from Riverside to Seoul

Keep the following information in mind while searching for Riverside to Seoul flight deals. Data was last updated September 15, 2025.

Round-trip from

$589
(Kiwi.com)

One-way from

$366
(Trip.com)

Popular in

June

Cheapest in

November

Average price

$915
From Riverside to Seoul (SEL)
Search Deals
One-way flight from Riverside to Seoul (SEL)
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($164 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($29 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Riverside to Seoul

Cheapest flights from Riverside to Seoul
Explore the most affordable flight options available from Riverside to Seoul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/13. 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 10/710:50 amLAX - ICN
Nonstop12h 55mMultiple Airlines
Mon 10/208:45 pmICN - LAX
2 stops30h 58mMultiple Airlines
Deal found 9/13$589
This Kiwi.com deal was found by Cheapflights users on 9/12. 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.
Tue 10/710:50 amLAX - ICN
Nonstop12h 55mMultiple Airlines
Mon 10/136:20 pmICN - LAX
1 stop19h 06mMultiple Airlines
Deal found 9/12$597
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 10/710:50 amLAX - ICN
Nonstop12h 55mMultiple Airlines
Sun 10/126:20 pmICN - LAX
1 stop35h 12mMultiple Airlines
Deal found 9/13$599
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 10/710:50 amLAX - ICN
Nonstop12h 55mMultiple Airlines
Wed 10/226:20 pmICN - LAX
1 stop14h 28mMultiple Airlines
Deal found 9/14$600
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 10/710:50 amLAX - ICN
Nonstop12h 55mMultiple Airlines
Sun 10/269:15 pmICN - LAX
2 stops28h 50mMultiple Airlines
Deal found 9/14$608
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 10/710:50 amLAX - ICN
Nonstop12h 55mMultiple Airlines
Sat 10/258:45 pmICN - LAX
2 stops29h 20mMultiple Airlines
Deal found 9/13$611
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 10/710:50 amLAX - ICN
Nonstop12h 55mMultiple Airlines
Thu 10/309:20 pmICN - LAX
1 stop28h 45mMultiple Airlines
Deal found 9/14$617
This Kiwi.com deal was found by Cheapflights users on 9/12. 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 10/2710:50 amLAX - ICN
Nonstop13h 20mMultiple Airlines
Wed 11/126:55 pmICN - LAX
1 stop17h 04mMultiple Airlines
Deal found 9/12$620
This Kiwi.com deal was found by Cheapflights users on 9/12. 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.
Tue 10/710:50 amLAX - ICN
Nonstop12h 55mMultiple Airlines
Wed 10/156:20 pmICN - LAX
1 stop14h 28mMultiple Airlines
Deal found 9/12$622
This FlightHub deal was found by Cheapflights users on 9/13. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/112:30 pmLAX - GMP
1 stop39h 20mChina Eastern
Fri 10/108:50 pmGMP - LAX
1 stop29h 15mChina Eastern
Deal found 9/13$654
This eDestinos deal was found by Cheapflights users on 9/13. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2311:25 pmLAX - GMP
1 stop21h 40mAir China
Mon 11/32:25 pmGMP - LAX
1 stop21h 35mAir China
Deal found 9/13$662
This Trip.com deal was found by Cheapflights users on 9/15. 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 - GMP
1 stop30h 30mChina Eastern
Tue 11/118:50 pmGMP - LAX
1 stop29h 15mChina Eastern
Deal found 9/15$688

Cheapflights Fare Finder

 
Customize your flight search to find flights from Riverside to Seoul 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 September 15, 2025.
Use the filters below to find and compare flights from Riverside to Seoul that are best for you.

Fly from

Riverside

Fly to

Seoul

Route

Depart

Return

Price

Los AngelesIncheon

LAX - ICN

LAXICN

Los Angeles

Wed 2/25

10:50 am-7:25 pm

1 stop39h 35m

Incheon Intl

Thu 3/12

8:35 pm-8:55 am

1 stop28h 20m

$785

Los AngelesIncheon

LAX - ICN

LAXICN

Los Angeles

Mon 10/27

11:15 pm-1:55 pm

1 stop22h 40m

Incheon Intl

Sun 2/8

10:05 am-8:55 pm

1 stop27h 50m

$806

Los AngelesIncheon

LAX - ICN

LAXICN

Los Angeles

Thu 10/23

12:30 am-9:10 pm

1 stop28h 40m

Incheon Intl

Wed 11/5

1:50 pm-8:55 pm

1 stop24h 05m

$856

Los AngelesIncheon

LAX - ICN

LAXICN

Los Angeles

Mon 2/9

10:00 pm-5:20 am

Nonstop14h 20m

Incheon Intl

Wed 2/18

10:00 pm-4:10 pm

Nonstop11h 10m

$972

Los AngelesIncheon

LAX - ICN

LAXICN

Los Angeles

Sun 2/1

9:50 am-4:10 pm

Nonstop13h 20m

Incheon Intl

Mon 2/23

1:20 pm-7:20 am

Nonstop11h 00m

$977

Los AngelesIncheon

LAX - ICN

LAXICN

Los Angeles

Sat 2/21

9:50 am-4:10 pm

Nonstop13h 20m

Incheon Intl

Wed 3/11

1:20 pm-8:20 am

Nonstop11h 00m

$983

Los AngelesIncheon

LAX - ICN

LAXICN

Los Angeles

Fri 1/30

7:00 am-6:35 pm

2 stops18h 35m

Incheon Intl

Sat 2/21

8:35 pm-9:35 pm

2 stops18h 00m

$1,010

Los AngelesIncheon

LAX - ICN

LAXICN

Los Angeles

Tue 2/24

10:10 pm-6:10 am

1 stop39h 00m

Incheon Intl

Mon 3/2

7:05 am-7:55 am

2 stops41h 50m

$1,037

Los AngelesIncheon

LAX - ICN

LAXICN

Los Angeles

Mon 10/20

12:05 am-7:35 pm

1 stop27h 30m

Incheon Intl

Thu 10/23

12:35 pm-8:45 pm

1 stop24h 10m

$1,057

Los AngelesIncheon

LAX - ICN

LAXICN

Los Angeles

Sat 2/21

2:59 pm-6:35 pm

2 stops34h 36m

Incheon Intl

Sun 3/8

8:35 pm-7:40 am

2 stops27h 05m

$1,061

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 47 results
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Best time to book a flight from Riverside to Seoul

Have a flexible travel schedule? Discover the best time to fly to Seoul 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 Seoul

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

Use this chart to determine the optimal time to book a round-trip flight from Riverside to Seoul. Price data was last updated on September 12, 2025.

The price you pay for your flight from Riverside to Seoul may vary depending on when you book. For the best chance of a lower fare, look to book 29 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, February is the cheapest month in which you can book a flight from Riverside to Seoul (average of $990). Flying from Riverside to Seoul in December is currently the most expensive (average of $1,633). 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 SEL?

Find hourly flight availability from Riverside to Seoul. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 15, 2025.

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

What is the cheapest day to fly from Riverside to Seoul?

Use this chart to determine the cheapest time to fly round-trip from Riverside to Seoul. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Riverside to Seoul flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Friday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Riverside to Seoul

Explore weekly flight availability from Riverside to Seoul. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated September 15, 2025.

The most flights from R1V to SEL are scheduled on a Friday (20 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (16 on average).

Reviews of airlines servicing Seoul

Get insights into the airlines that provide service to Seoul. 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 Seoul. Reviews last updated September 15, 2025.
See what other customers who have flown with Korean Air, AIR PREMIA, and Asiana Airlines from Riverside to Seoul 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
1,139 reviews

Comfort

8.3

Overall

8.4

Crew

8.7

Boarding

8.5

Entertainment

8.2

Food

8.1

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
1,139 reviews
Korean Air
8.4
Very good
1,139 reviews

Comfort

8.3

Overall

8.4

Crew

8.7

Boarding

8.5

Entertainment

8.2

Food

8.1

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 PREMIA
8.2
Very good
62 reviews
Korean Air
8.4
Very good
1,139 reviews

Comfort

8.3

Overall

8.4

Crew

8.7

Boarding

8.5

Entertainment

8.2

Food

8.1

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.
Asiana Airlines
8.2
Very good
479 reviews
Korean Air
8.4
Very good
1,139 reviews

Comfort

8.3

Overall

8.4

Crew

8.7

Boarding

8.5

Entertainment

8.2

Food

8.1

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
993 reviews
Korean Air
8.4
Very good
1,139 reviews

Comfort

8.3

Overall

8.4

Crew

8.7

Boarding

8.5

Entertainment

8.2

Food

8.1

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 Canada
7.1
Good
10,000 reviews
Korean Air
8.4
Very good
1,139 reviews

Comfort

8.3

Overall

8.4

Crew

8.7

Boarding

8.5

Entertainment

8.2

Food

8.1

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 Seoul. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How popular is this Riverside to Seoul flight route?

    Flights from Riverside to Seoul have been viewed 1,017 times in the past calendar month.

  • How long is the flight from Riverside to Seoul?

    Airlines like Philippine Airlines, Cathay Pacific, and AIR PREMIA fly from Riverside to Seoul in about 14h 20m. The time it takes to get you to your destination can typically vary by up to 25h 15m. The distance from Riverside to Seoul is about 5978 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Riverside to Seoul one-way?

    For one-way options, check prices for Philippine Airlines. According to our data, you can fly for as low as $398. Users have also found prices from $498 and $524 on Air China and AIR PREMIA, respectively.

  • What are the most reliable airlines from Riverside to Seoul?

    No one likes to see their flight delayed. When booking a flight from Riverside to Seoul consider choosing AIR PREMIA (97%), Thai Airways (93%) or Copa Airlines (93%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Riverside to Seoul?

    The cheapest flight price from Riverside to Seoul is $334. On average you can expect to pay $4,493. The most popular route, (Los Angeles - Incheon Intl), can usually be booked for $597.

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from Riverside to Seoul (average of $990). Flying from Riverside to Seoul in December is currently the most expensive (average of $1,633). 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 10 airlines flying from Riverside to Seoul

Discover the top 10 airlines that operate flights from Riverside to Seoul. 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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
XiamenAirCheapest$362Average$655FlexibilityNo cancel feeOn-time49%
AIR PREMIACheapest$398Average$953FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$415Average$1,343FlexibilityNo cancel feeOn-time69%
Hawaiian AirlinesCheapest$501Average$712FlexibilityNo cancel feeOn-time85%
China AirlinesCheapest$528Average$1,045FlexibilityNo cancel feeOn-time70%
WestJetCheapest$549Average$996FlexibilityNo cancel feeOn-time60%
Air CanadaCheapest$580Average$859FlexibilityNo cancel feeOn-time67%
Air ChinaCheapest$592Average$698FlexibilityNo cancel feeOn-time67%
China EasternCheapest$643Average$728FlexibilityNo cancel feeOn-time62%
Cathay PacificCheapest$680Average$802FlexibilityNo cancel feeOn-time72%

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