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$355+ 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 4/22. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — OSA
Apr 7 — Apr 141
Mon 4/7
Mon 4/14
1 adult, Economy
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Cheapflights Tip: The best prices from Riverside to Osaka are usually found in February or January, booked 38 days in advance, depart on a Friday or Tuesday and return on a Friday

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 April 2, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$712
(Kiwi.com)

One-way from

$355
(Trip.com)

Popular in

December

Cheapest in

February

Average price

$934
Provider with most accurate pricing for Los Angeles-Osaka (OSA) flight deals.
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Provider most trusted by Cheapflights users for Los Angeles-Osaka (OSA) flights.
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From Riverside to Osaka (OSA)
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One-way flight from Riverside to Osaka (OSA)
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Highest demand for flights based on searches. 0% potential increase in price ($6 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($23 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from Riverside to Osaka

Cheapest flights from Riverside to Osaka
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 April 2, 2025.

This Gotogate deal was found by Cheapflights users on 3/31. 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.
Fri 9/54:50 pmLAX - UKB
1 stop23h 00mANA
Thu 9/257:05 amUKB - LAX
1 stop24h 05mANA
Deal found 3/31$664
This Cheapflightsfares deal was found by Cheapflights users on 3/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/33:00 pmLAX - KIX
Nonstop11h 45mJapan Airlines
Wed 9/175:55 pmKIX - LAX
Nonstop10h 40mJapan Airlines
Deal found 3/30$673
This SmartFares deal was found by Cheapflights users on 3/31. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/315:15 pmLAX - ITM
1 stop22h 50mANA
Sun 9/1412:00 pmITM - LAX
1 stop22h 45mANA
Deal found 3/31$684
This Alaska Airlines deal was found by Cheapflights users on 3/31. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/210:10 amLAX - KIX
1 stop16h 35mAlaska Airlines
Tue 9/98:45 pmKIX - LAX
1 stop24h 35mAlaska Airlines
Deal found 3/31$684
This Gotogate deal was found by Cheapflights users on 3/31. 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.
Wed 8/2011:50 pmLAX - UKB
1 stop18h 10mKorean Air
Mon 8/256:30 pmUKB - LAX
1 stop37h 35mKorean Air
Deal found 3/31$684
This SmartFares deal was found by Cheapflights users on 3/31. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/315:15 pmLAX - KIX
1 stop23h 15mANA
Sun 9/147:00 amKIX - LAX
1 stop27h 45mANA
Deal found 3/31$685
This United Airlines deal was found by Cheapflights users on 3/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/304:50 pmLAX - ITM
1 stop32h 15mUnited Airlines
Wed 10/1512:00 pmITM - LAX
1 stop19h 10mUnited Airlines
Deal found 3/30$702
This United Airlines deal was found by Cheapflights users on 3/31. 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 9/2710:45 pmLAX - KIX
1 stop24h 05mUnited Airlines
Thu 10/98:30 amKIX - LAX
1 stop22h 40mUnited Airlines
Deal found 3/31$702
This Kiwi.com deal was found by Cheapflights users on 4/1. 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 4/2110:25 amLAX - KIX
1 stop31h 40mMultiple Airlines
Wed 5/77:35 amKIX - LAX
2 stops48h 20mMultiple Airlines
Deal found 4/1$724
This eDestinos deal was found by Cheapflights users on 3/31. 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.
Mon 10/1312:25 pmLAX - KIX
1 stop26h 15mCathay Pacific
Mon 10/2010:00 amKIX - LAX
1 stop22h 25mCathay Pacific
Deal found 3/31$726
This eDestinos deal was found by Cheapflights users on 3/31. 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 8/2811:50 pmLAX - KIX
1 stop25h 15mKorean Air
Mon 9/86:20 pmKIX - LAX
1 stop31h 20mKorean Air
Deal found 3/31$727
This United deal was found by Cheapflights users on 3/31. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/34:20 pmLAX - ITM
3 stops56h 45mMultiple Airlines
Wed 9/2412:00 pmITM - LAX
2 stops16h 24mMultiple Airlines
Deal found 3/31$729

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 April 2, 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 AngelesKobe

LAX - UKB

LAXUKB

Los Angeles

Fri 9/5

4:50 pm-7:50 am

1 stop23h 00m

Kobe

Thu 9/25

7:05 am-3:10 pm

1 stop24h 05m

$664

Los AngelesOsaka

LAX - KIX

LAXKIX

Los Angeles

Wed 9/3

3:00 pm-6:45 pm

Nonstop11h 45m

Osaka Kansai Intl

Wed 9/17

5:55 pm-12:35 pm

Nonstop10h 40m

$673

Los AngelesOsaka

LAX - KIX

LAXKIX

Los Angeles

Tue 9/2

10:10 am-6:45 pm

1 stop16h 35m

Osaka Kansai Intl

Tue 9/9

8:45 pm-5:20 am

1 stop24h 35m

$684

Los AngelesKobe

LAX - UKB

LAXUKB

Los Angeles

Wed 8/20

11:50 pm-10:00 am

1 stop18h 10m

Kobe

Mon 8/25

6:30 pm-4:05 pm

1 stop37h 35m

$684

Los AngelesOsaka

LAX - ITM

LAXITM

Los Angeles

Sun 8/31

5:15 pm-8:05 am

1 stop22h 50m

Osaka Itami

Sun 9/14

12:00 pm-6:45 pm

1 stop22h 45m

$684

Los AngelesOsaka

LAX - KIX

LAXKIX

Los Angeles

Sun 8/31

5:15 pm-8:30 am

1 stop23h 15m

Osaka Kansai Intl

Sun 9/14

7:00 am-6:45 pm

1 stop27h 45m

$685

Los AngelesOsaka

LAX - ITM

LAXITM

Los Angeles

Sun 8/24

5:15 pm-5:05 pm

1 stop31h 50m

Osaka Itami

Thu 9/11

12:00 pm-12:40 pm

1 stop16h 40m

$702

Los AngelesOsaka

LAX - KIX

LAXKIX

Los Angeles

Sat 9/27

10:45 pm-2:50 pm

1 stop24h 05m

Osaka Kansai Intl

Mon 10/6

8:30 am-6:45 pm

1 stop26h 15m

$702

Los AngelesOsaka

LAX - ITM

LAXITM

Los Angeles

Mon 9/1

8:00 am-6:55 pm

2 stops18h 55m

Osaka Itami

Wed 9/10

1:00 pm-12:40 pm

1 stop15h 40m

$708

Los AngelesOsaka

LAX - KIX

LAXKIX

Los Angeles

Mon 4/21

10:25 am-10:05 am

1 stop31h 40m

Osaka Kansai Intl

Wed 5/7

7:35 am-3:55 pm

2 stops48h 20m

$724

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/1

Showing 1-10 of 44 results
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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 March 28, 2025.

The best time to book flights from Riverside to Osaka is 38 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 $898). Flying from Riverside to Osaka in December is currently the most expensive (average of $1,350). 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 April 2, 2025.

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.

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 Wednesday afternoons when fares are most often at their lowest. Tuesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Osaka by month

Plan your trip to Osaka by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Osaka ranges from 1.6 - 7.9 inches per month. June is typically the wettest month, when rainfall can reach 7.9 in. January is typically the driest time to visit Osaka when rainfall is around 1.6 in.

Temperature in Osaka by month

Plan your trip to Osaka by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Osaka, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 42.8 F).

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 April 2, 2025.
Peruse reviews from past customers who have flown with STARLUX Airlines, EVA Air and Korean Air from Riverside to Osaka to help guide your decision. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
STARLUX Airlines
9.1
Wonderful
146 reviews

Boarding

9.0

Entertainment

9.0

Crew

9.3

Comfort

9.0

Overall

9.1

Food

8.9

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.
STARLUX Airlines
9.1
Wonderful
146 reviews
STARLUX Airlines
9.1
Wonderful
146 reviews

Boarding

9.0

Entertainment

9.0

Crew

9.3

Comfort

9.0

Overall

9.1

Food

8.9

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.
EVA Air
8.4
Very good
1,170 reviews
STARLUX Airlines
9.1
Wonderful
146 reviews

Boarding

9.0

Entertainment

9.0

Crew

9.3

Comfort

9.0

Overall

9.1

Food

8.9

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.
Korean Air
8.4
Very good
1,052 reviews
STARLUX Airlines
9.1
Wonderful
146 reviews

Boarding

9.0

Entertainment

9.0

Crew

9.3

Comfort

9.0

Overall

9.1

Food

8.9

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.
Japan Airlines
8.3
Very good
1,440 reviews
STARLUX Airlines
9.1
Wonderful
146 reviews

Boarding

9.0

Entertainment

9.0

Crew

9.3

Comfort

9.0

Overall

9.1

Food

8.9

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.
ANA
8.3
Very good
830 reviews
STARLUX Airlines
9.1
Wonderful
146 reviews

Boarding

9.0

Entertainment

9.0

Crew

9.3

Comfort

9.0

Overall

9.1

Food

8.9

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.

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.

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

    The cheapest airline one-way is Japan Airlines, with whom users have recently found tickets for as low as $408. However, be on the lookout for offers from ANA and China Eastern, as they are both options that can get you from Riverside to Osaka for a low price.

  • What are the most popular routes from Riverside to Osaka?

    The most popular route from Riverside to Osaka is Los Angeles - Osaka Kansai Intl. You may also consider Los Angeles - Osaka Itami or Los Angeles - Kobe.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Riverside to Osaka on time: American Airlines (86%), Japan Airlines (86%), Alaska Airlines (86%).

  • What are the cheapest flights from Riverside to Osaka?

    Looking at all options, your cheapest flight can be booked for $369. While the most popular route (Los Angeles - Osaka Kansai Intl) can be booked for $666 on average our data indicates $2,044 when flying from Riverside to Osaka.

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from Riverside to Osaka (average of $898). Flying from Riverside to Osaka in December is currently the most expensive (average of $1,350). 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

Traveling to a place near Riverside?

Book flights to Riverside if you plan to visit one of these locations
Nara
Nishinomiya

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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 April 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
ZIPAIRCheapest$462Average$662FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$504Average$1,278FlexibilityNo cancel feeOn-time85%
China AirlinesCheapest$508Average$1,116FlexibilityNo cancel feeOn-time70%
Alaska AirlinesCheapest$650Average$947FlexibilityNo cancel feeOn-time75%
Japan AirlinesCheapest$665Average$1,028FlexibilityNo cancel feeOn-time79%
ANACheapest$668Average$985FlexibilityNo cancel feeOn-time80%
Korean AirCheapest$685Average$863FlexibilityNo cancel feeOn-time81%
American AirlinesCheapest$706Average$1,035FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$709Average$1,069FlexibilityNo cancel feeOn-time67%
Philippine AirlinesCheapest$726Average$839FlexibilityNo cancel feeOn-time60%

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