$338+ Cheap flights from Riverside, CA to Osaka (OSA)
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 2/10. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — OSA
Feb 27 — Mar 61
1 adult, Economy
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Find cheap flights from Riverside to Osaka 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 Osaka are usually found in February or January, booked 20 days in advance, depart on a Tuesday or Friday and return on a Wednesday
Cheap flight deals from Riverside to Osaka
Cheapest flights from Riverside to OsakaExplore the most affordable flight options available from Riverside to Osaka. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 28, 2026.
Explore the most affordable flight options available from Riverside to Osaka. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 28, 2026.
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/1611:30 am
LAX
- UKB
1 stop17h 15m
ANA
Thu 2/269:15 pm
UKB
- LAX
1 stop13h 35m
ANA
Deal found 1/26![ANA logo]()
$620
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/1711:30 am
LAX
- UKB
1 stop17h 15m
ANA
Thu 2/269:15 pm
UKB
- LAX
1 stop13h 35m
ANA
Deal found 1/26![ANA logo]()
$623
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.
Tue 2/1711:30 am
LAX
- UKB
1 stop17h 15m
ANA
Tue 2/249:15 pm
UKB
- LAX
1 stop13h 35m
ANA
Deal found 1/27![ANA logo]()
$624
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/1212:35 pm
LAX
- UKB
1 stop17h 10m
ANA
Tue 5/127:05 am
UKB
- LAX
1 stop27h 45m
ANA
Deal found 1/26![ANA logo]()
$659
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/154:50 pm
LAX
- UKB
1 stop23h 00m
ANA
Thu 5/149:15 pm
UKB
- LAX
1 stop13h 35m
ANA
Deal found 1/26![ANA logo]()
$667
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/1611:30 am
LAX
- UKB
1 stop17h 15m
ANA
Wed 3/49:15 pm
UKB
- LAX
1 stop13h 35m
ANA
Deal found 1/26![ANA logo]()
$679
This Trip.com 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/319:35 am
LAX
- UKB
1 stop18h 50m
Multiple Airlines
Wed 2/47:10 am
UKB
- LAX
1 stop17h 25m
Multiple Airlines
Deal found 1/27![Multiple Airlines logo]()
$689
This Korean Air 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/1312:30 pm
LAX
- UKB
1 stop30h 25m
Korean Air
Tue 4/2111:55 am
UKB
- LAX
1 stop18h 55m
Korean Air
Deal found 1/26![Korean Air logo]()
$690
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/2110:35 pm
LAX
- KIX
1 stop25h 05m
United Airlines
Tue 3/36:35 pm
KIX
- LAX
1 stop16h 13m
United Airlines
Deal found 1/26![United Airlines logo]()
$692
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.
Mon 3/911:50 am
LAX
- UKB
1 stop30h 20m
Korean Air
Mon 3/1611:10 am
UKB
- LAX
1 stop19h 30m
Korean Air
Deal found 1/27![Korean Air logo]()
$692
This CrystalTravel 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/161:20 pm
LAX
- KIX
Nonstop12h 30m
Japan Airlines
Wed 3/45:50 pm
KIX
- LAX
Nonstop10h 15m
Japan Airlines
Deal found 1/26![Japan Airlines logo]()
$693
This CrystalTravel 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/161:20 pm
LAX
- KIX
Nonstop12h 30m
Japan Airlines
Thu 2/265:50 pm
KIX
- LAX
Nonstop10h 15m
Japan Airlines
Deal found 1/26![Japan Airlines logo]()
$694
Find flight deals from Riverside to Osaka
Keep the following information in mind while searching for Riverside to Osaka flight deals. Data was last updated January 28, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $620 (Gotogate) |
One-way from | $338 (Trip.com) |
Popular in | June |
Cheapest in | February |
Average price | $705 |
Cheapflights Fare Finder
Customize your flight search to find flights from Riverside to Osaka 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 28, 2026.
Use the filters below to find and compare flights from Riverside to Osaka that are best for you.
Fly from
Riverside
Fly to
Osaka
Route
Depart
Return
Price
Los AngelesOsaka
LAX - KIX
LAXKIX
Los Angeles
Mon 2/23
9:00 am-4:40 pm
2 stops38h 40m
Osaka Kansai Intl
Mon 3/2
11:05 am-6:18 am
2 stops36h 13m
$700
Los AngelesOsaka
LAX - KIX
LAXKIX
Los Angeles
Wed 4/22
7:05 am-9:00 pm
2 stops21h 55m
Osaka Kansai Intl
Thu 4/30
9:05 am-4:28 pm
2 stops23h 23m
$702
Los AngelesKobe
LAX - UKB
LAXUKB
Los Angeles
Sun 4/19
11:50 pm-10:55 am
1 stop19h 05m
Kobe
Mon 4/27
6:55 pm-2:50 pm
1 stop35h 55m
$709
Los AngelesOsaka
LAX - KIX
LAXKIX
Los Angeles
Sun 4/19
9:20 pm-2:50 pm
1 stop25h 30m
Osaka Kansai Intl
Mon 4/27
11:05 am-6:07 am
2 stops35h 02m
$713
Los AngelesKobe
LAX - UKB
LAXUKB
Los Angeles
Mon 4/6
11:50 pm-5:45 pm
1 stop25h 55m
Kobe
Mon 4/20
6:55 pm-2:50 pm
1 stop35h 55m
$715
Los AngelesOsaka
LAX - KIX
LAXKIX
Los Angeles
Tue 2/24
9:00 am-4:40 pm
2 stops38h 40m
Osaka Kansai Intl
Tue 3/3
8:20 am-5:50 pm
1 stop26h 30m
$726
Los AngelesKobe
LAX - UKB
LAXUKB
Los Angeles
Mon 3/9
11:50 am-10:10 am
1 stop30h 20m
Kobe
Mon 3/16
11:10 am-2:40 pm
1 stop19h 30m
$735
Los AngelesOsaka
LAX - KIX
LAXKIX
Los Angeles
Mon 3/9
9:05 am-10:20 am
2 stops33h 15m
Osaka Kansai Intl
Mon 3/16
6:35 pm-7:42 pm
1 stop17h 07m
$739
Los AngelesKobe
LAX - UKB
LAXUKB
Los Angeles
Sun 4/5
12:30 pm-10:55 am
1 stop30h 25m
Kobe
Wed 4/22
6:55 pm-2:50 pm
1 stop35h 55m
$740
Los AngelesKobe
LAX - UKB
LAXUKB
Los Angeles
Mon 4/6
11:50 pm-5:45 pm
1 stop25h 55m
Kobe
Fri 4/24
11:55 am-2:50 pm
1 stop18h 55m
$741
Showing 1-10 of 54 results
Best time to book a flight from Riverside to Osaka
Have a flexible travel schedule? Discover the best time to fly to Osaka 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 Osaka
How far ahead should I book a flight from Riverside to Osaka?
Use this chart to determine the optimal time to book a round-trip flight from Riverside to Osaka. Price data was last updated on January 23, 2026.
The best time to book flights from Riverside to Osaka is 20 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 Riverside to Osaka?
Currently, January is the cheapest month in which you can book a flight from Riverside to Osaka (average of $473). Flying from Riverside to Osaka in June is currently the most expensive (average of $791). 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 OSA?
Find hourly flight availability from Riverside to Osaka. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 28, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Riverside to Osaka as you normally would.
Weekly flight availability from Riverside to Osaka
Explore weekly flight availability from Riverside to Osaka. 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 January 28, 2026.
The most flights from R1V to OSA are scheduled on a Monday (4 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (4 on average).
How much does it cost to fly round-trip from Riverside to Osaka?
Reviews of airlines servicing Osaka
Get insights into the airlines that provide service to Osaka. 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 Osaka. Reviews last updated January 28, 2026.
Read reviews from past customers who have flown ANA, Japan Airlines, and Asiana Airlines from Riverside to Osaka. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.5
Food
7.7
Overall
8.4
Comfort
8.2
Crew
8.7
Entertainment
7.9
Reviews
1 / 20
10.0
ExcellentLindsey,Jan 2026
CGK - HND
Boarding
8.5
Food
7.7
Overall
8.4
Comfort
8.2
Crew
8.7
Entertainment
7.9
Reviews
1 / 20
10.0
ExcellentLindsey,Jan 2026
CGK - HND
Boarding
8.5
Food
7.7
Overall
8.4
Comfort
8.2
Crew
8.7
Entertainment
7.9
Reviews
1 / 20
10.0
ExcellentLindsey,Jan 2026
CGK - HND
Boarding
8.5
Food
7.7
Overall
8.4
Comfort
8.2
Crew
8.7
Entertainment
7.9
Reviews
1 / 20
10.0
ExcellentLindsey,Jan 2026
CGK - HND
Boarding
8.5
Food
7.7
Overall
8.4
Comfort
8.2
Crew
8.7
Entertainment
7.9
Reviews
1 / 20
10.0
ExcellentLindsey,Jan 2026
CGK - HND
Boarding
8.5
Food
7.7
Overall
8.4
Comfort
8.2
Crew
8.7
Entertainment
7.9
Reviews
1 / 20
10.0
ExcellentLindsey,Jan 2026
CGK - HND
Related info for your journey
Find useful and relevant information for your journey from Riverside to Osaka. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Osaka?
Book flights to Osaka if you plan to visit one of these locationsNara
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Alternative routes for Riverside to Osaka
See prices for flight routes from nearby airports that may be better suited for you.
Top 10 airlines flying from Riverside to Osaka
Discover the top 10 airlines that operate flights from Riverside to Osaka. 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 28, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$452 | Average$943 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$490 | Average$768 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$503 | Average$1,184 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$590 | Average$741 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$608 | Average$790 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$610 | Average$836 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$637 | Average$700 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$662 | Average$956 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$667 | Average$897 | FlexibilityNo cancel fee | On-time80% | |
| Cheapest$704 | Average$1,055 | FlexibilityNo cancel fee | On-time69% |