$319+ 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 1/19. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — OSA
Nov 30 — Dec 71
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 September, booked 19 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday
Find 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 October 31, 2025.
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 October 31, 2025.
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/299:25 amLAX - KIX
1 stop30h 20mMultiple Airlines
Sat 12/139:10 pmKIX - LAX
1 stop27h 15mMultiple Airlines
Deal found 10/28![Multiple Airlines logo]()
$655
This CrystalTravel deal was found by Cheapflights users on 10/29. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/311:30 pmLAX - KIX
1 stop25h 35mAsiana Airlines
Tue 11/119:00 amKIX - LAX
1 stop22h 50mAsiana Airlines
Deal found 10/29![Asiana Airlines logo]()
$656
This CrystalTravel deal was found by Cheapflights users on 10/30. 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.
Thu 11/2711:30 pmLAX - KIX
1 stop28h 25mAsiana Airlines
Thu 12/49:00 amKIX - LAX
1 stop14h 50mAsiana Airlines
Deal found 10/30![Asiana Airlines logo]()
$657
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/299:25 amLAX - KIX
1 stop30h 20mMultiple Airlines
Fri 12/128:00 amKIX - LAX
1 stop16h 25mMultiple Airlines
Deal found 10/28![Multiple Airlines logo]()
$658
This oojo deal was found by Cheapflights users on 10/30. 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 11/1710:25 pmLAX - KIX
1 stop24h 35mAir China
Mon 11/241:50 pmKIX - LAX
1 stop22h 10mAir China
Deal found 10/30![Air China logo]()
$660
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/39:25 amLAX - KIX
1 stop30h 20mMultiple Airlines
Fri 12/128:00 amKIX - LAX
1 stop16h 25mMultiple Airlines
Deal found 10/28![Multiple Airlines logo]()
$661
This CrystalTravel deal was found by Cheapflights users on 10/28. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/1611:30 pmLAX - KIX
1 stop25h 35mAsiana Airlines
Tue 11/259:00 amKIX - LAX
1 stop14h 50mAsiana Airlines
Deal found 10/28![Asiana Airlines logo]()
$663
This CrystalTravel deal was found by Cheapflights users on 10/28. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/59:10 amLAX - KIX
1 stop18h 45mAsiana Airlines
Sun 12/219:00 amKIX - LAX
1 stop14h 50mAsiana Airlines
Deal found 10/28![Asiana Airlines logo]()
$664
This oojo deal was found by Cheapflights users on 10/28. 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 11/311:30 pmLAX - KIX
1 stop25h 35mAsiana Airlines
Fri 12/59:00 amKIX - LAX
1 stop14h 50mAsiana Airlines
Deal found 10/28![Asiana Airlines logo]()
$665
This oojo deal was found by Cheapflights users on 10/28. 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.
Tue 11/259:10 amLAX - KIX
1 stop18h 45mAsiana Airlines
Wed 12/109:00 amKIX - LAX
1 stop22h 50mAsiana Airlines
Deal found 10/28![Asiana Airlines logo]()
$667
This FlightHub deal was found by Cheapflights users on 10/28. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2911:30 amLAX - KIX
2 stops37h 30mChina Eastern
Fri 12/129:20 amKIX - LAX
1 stop16h 45mChina Eastern
Deal found 10/28![China Eastern logo]()
$668
This FlightHub deal was found by Cheapflights users on 10/27. 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.
Sun 11/99:10 amLAX - KIX
1 stop30h 30mAsiana Airlines
Wed 11/1910:30 amKIX - LAX
1 stop21h 20mAsiana Airlines
Deal found 10/27![Asiana Airlines logo]()
$669
Cheap flight deals from Riverside to Osaka
Keep the following information in mind while searching for Riverside to Osaka flight deals. Data was last updated October 31, 2025.
Most accurate provider | Gotogate 3 stars |
|---|---|
Most trusted provider | Gotogate 3 stars |
Round-trip from | $648 (Cheapflightsfares) |
One-way from | $319 (Trip.com) |
Popular in | June |
Cheapest in | February |
Average price | $811 |
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 October 31, 2025.
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 - ITM
LAXITM
Los Angeles
Sat 2/7
9:40 pm-6:10 pm
2 stops27h 30m
Osaka Itami
Thu 2/19
1:00 pm-12:40 pm
1 stop16h 40m
$685
Los AngelesOsaka
LAX - ITM
LAXITM
Los Angeles
Tue 2/10
7:25 am-6:10 pm
2 stops17h 45m
Osaka Itami
Tue 2/17
3:00 pm-12:40 pm
1 stop14h 40m
$685
Los AngelesOsaka
LAX - ITM
LAXITM
Los Angeles
Sat 2/7
9:40 pm-6:10 pm
2 stops27h 30m
Osaka Itami
Tue 2/17
1:00 pm-5:50 pm
1 stop21h 50m
$685
Los AngelesOsaka
LAX - ITM
LAXITM
Los Angeles
Wed 2/4
7:25 am-6:10 pm
2 stops17h 45m
Osaka Itami
Tue 2/10
1:00 pm-5:50 pm
1 stop21h 50m
$685
Los AngelesOsaka
LAX - KIX
LAXKIX
Los Angeles
Wed 2/11
9:10 am-8:55 pm
1 stop18h 45m
Osaka Kansai Intl
Sun 2/15
9:00 am-6:50 am
1 stop14h 50m
$686
Los AngelesOsaka
LAX - KIX
LAXKIX
Los Angeles
Tue 3/24
11:30 pm-6:05 pm
1 stop26h 35m
Osaka Kansai Intl
Tue 4/7
11:10 am-4:00 pm
1 stop20h 50m
$696
Los AngelesKobe
LAX - UKB
LAXUKB
Los Angeles
Sun 2/15
11:20 am-5:40 pm
2 stops37h 20m
Kobe
Mon 2/23
6:40 pm-8:30 am
1 stop30h 50m
$697
Los AngelesKobe
LAX - UKB
LAXUKB
Los Angeles
Fri 2/6
11:30 am-9:45 pm
1 stop17h 15m
Kobe
Sun 2/22
9:15 pm-5:50 pm
1 stop13h 35m
$698
Los AngelesOsaka
LAX - ITM
LAXITM
Los Angeles
Thu 1/15
11:30 am-8:20 pm
1 stop15h 50m
Osaka Itami
Sun 1/25
4:00 pm-12:40 pm
1 stop13h 40m
$701
Los AngelesKobe
LAX - UKB
LAXUKB
Los Angeles
Sun 2/8
10:50 am-10:10 am
1 stop30h 20m
Kobe
Sat 2/14
6:40 pm-1:40 pm
1 stop36h 00m
$703
Showing 1-10 of 60 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 October 24, 2025.
The best time to book flights from Riverside to Osaka is 19 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, February is the cheapest month in which you can book a flight from Riverside to Osaka (average of $583). Flying from Riverside to Osaka in June is currently the most expensive (average of $777). 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 October 31, 2025.
One of the essential ways to save on airfare from Riverside to Osaka is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the afternoon could potentially save you up to 39% on airfare.
What is the cheapest day to fly from Riverside to Osaka?
Use this chart to determine the cheapest time to fly round-trip from Riverside to Osaka. Price data was last updated on December 16, 2024.
Travelers seeking maximum savings on their Riverside to Osaka flight should consider departing on Thursday afternoons when fares are most often at their lowest. Thursday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
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 October 31, 2025.
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.
Comfort
8.2
Food
7.8
Entertainment
7.9
Boarding
8.6
Overall
8.4
Crew
8.7
Reviews
1 / 20
10.0
ExcellentJulie,Sep 2025
CGK - HND
Comfort
8.2
Food
7.8
Entertainment
7.9
Boarding
8.6
Overall
8.4
Crew
8.7
Reviews
1 / 20
10.0
ExcellentJulie,Sep 2025
CGK - HND
Comfort
8.2
Food
7.8
Entertainment
7.9
Boarding
8.6
Overall
8.4
Crew
8.7
Reviews
1 / 20
10.0
ExcellentJulie,Sep 2025
CGK - HND
Comfort
8.2
Food
7.8
Entertainment
7.9
Boarding
8.6
Overall
8.4
Crew
8.7
Reviews
1 / 20
10.0
ExcellentJulie,Sep 2025
CGK - HND
Comfort
8.2
Food
7.8
Entertainment
7.9
Boarding
8.6
Overall
8.4
Crew
8.7
Reviews
1 / 20
10.0
ExcellentJulie,Sep 2025
CGK - HND
Comfort
8.2
Food
7.8
Entertainment
7.9
Boarding
8.6
Overall
8.4
Crew
8.7
Reviews
1 / 20
10.0
ExcellentJulie,Sep 2025
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
Nishinomiya
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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 October 31, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$490 | Average$844 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$503 | Average$1,086 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$590 | Average$954 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$608 | Average$820 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$610 | Average$860 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$629 | Average$971 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$637 | Average$943 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$660 | Average$859 | FlexibilityNo cancel fee | On-time80% | |
| Cheapest$665 | Average$713 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$708 | Average$981 | FlexibilityNo cancel fee | On-time69% |