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$258+ Cheap flights from Riverside, CA to Japan

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 9/28. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — FUK
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheap flight deals from Riverside to Japan

Keep the following information in mind while searching for Riverside to Japan flight deals. Data was last updated September 16, 2025.

Round-trip from

$556
(CrystalTravel)

One-way from

$258
(ZIPAIR)

Popular in

June

Cheapest in

February

Average price

$699
From Riverside to Japan
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One-way flight from Riverside to Japan
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Highest demand for flights based on searches. 13% potential increase in price ($134 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($25 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 Japan

Cheapest flights from Riverside to Japan
Explore the most affordable flight options available from Riverside to Japan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

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.
Sun 9/2111:00 pmLAX - OKA
1 stop20h 15mAsiana Airlines
Sun 9/2812:15 pmOKA - LAX
1 stop19h 45mAsiana Airlines
Deal found 9/13$575
This SmartFares 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1710:00 amLAX - NGO
1 stop15h 50mAsiana Airlines
Fri 9/1911:05 amNGO - LAX
1 stop36h 55mAsiana Airlines
Deal found 9/14$579
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1511:00 pmLAX - CTS
1 stop20h 50mAsiana Airlines
Wed 9/241:00 pmCTS - LAX
1 stop19h 00mAsiana Airlines
Deal found 9/14$584
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1610:00 amLAX - FUK
1 stop17h 20mAsiana Airlines
Thu 9/1811:30 amFUK - LAX
1 stop20h 30mAsiana Airlines
Deal found 9/14$584
This Mytrip deal was found by Cheapflights users on 9/16. 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.
Mon 10/2710:10 amLAX - FUK
1 stop35h 50mAsiana Airlines
Thu 10/303:20 pmFUK - LAX
1 stop32h 30mAsiana Airlines
Deal found 9/16$586
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2811:00 pmLAX - NGO
1 stop26h 20mAsiana Airlines
Wed 11/126:20 pmNGO - LAX
1 stop29h 30mAsiana Airlines
Deal found 9/14$588
This flugladen.de 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1511:00 pmLAX - OKA
1 stop20h 15mAsiana Airlines
Sun 9/2812:15 pmOKA - LAX
1 stop35h 45mAsiana Airlines
Deal found 9/14$593
This SmartFares 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1910:00 amLAX - CTS
1 stop33h 50mAsiana Airlines
Thu 10/301:00 pmCTS - LAX
1 stop34h 50mAsiana Airlines
Deal found 9/14$597
This SmartFares deal was found by Cheapflights users on 9/16. 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.
Mon 11/311:00 pmLAX - NGO
1 stop25h 20mAsiana Airlines
Wed 11/126:20 pmNGO - LAX
1 stop29h 30mAsiana Airlines
Deal found 9/16$601
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1511:00 pmLAX - FUK
1 stop28h 20mAsiana Airlines
Mon 9/2211:30 amFUK - LAX
1 stop20h 30mAsiana Airlines
Deal found 9/14$602
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2111:00 pmLAX - OKA
1 stop20h 15mAsiana Airlines
Sat 9/2712:15 pmOKA - LAX
1 stop35h 45mAsiana Airlines
Deal found 9/15$603
This Gotogate deal was found by Cheapflights users on 9/16. 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 9/2110:00 amLAX - CTS
1 stop33h 50mAsiana Airlines
Mon 10/61:00 pmCTS - LAX
1 stop35h 00mAsiana Airlines
Deal found 9/16$604

Cheapflights Fare Finder

 
Customize your flight search to find flights from Riverside to Japan 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 16, 2025.
Use the filters below to find and compare flights from Riverside to Japan that are best for you.

Fly from

Riverside

Fly to

Japan

Route

Depart

Return

Price

Los AngelesFukuoka

LAX - FUK

LAXFUK

Los Angeles

Wed 10/22

10:00 am-10:15 am

1 stop32h 15m

Fukuoka

Thu 11/6

3:20 pm-6:50 am

1 stop32h 30m

$584

Los AngelesFukuoka

LAX - FUK

LAXFUK

Los Angeles

Mon 11/10

11:00 pm-2:00 pm

1 stop22h 00m

Fukuoka

Mon 11/24

3:20 pm-6:50 am

1 stop32h 30m

$584

Los AngelesFukuoka

LAX - FUK

LAXFUK

Los Angeles

Mon 10/27

10:10 am-2:00 pm

1 stop35h 50m

Fukuoka

Thu 10/30

3:20 pm-7:50 am

1 stop32h 30m

$586

Los AngelesNagoya

LAX - NGO

LAXNGO

Los Angeles

Sun 11/9

11:00 pm-10:05 am

1 stop18h 05m

Nagoya Chubu Centrair Intl

Sat 11/15

11:05 am-4:00 pm

1 stop21h 55m

$588

Los AngelesNagoya

LAX - NGO

LAXNGO

Los Angeles

Mon 11/24

9:10 am-10:05 am

1 stop31h 55m

Nagoya Chubu Centrair Intl

Fri 12/5

11:05 am-4:00 pm

1 stop21h 55m

$588

Los AngelesTokyo

LAX - NRT

LAXNRT

Los Angeles

Sun 9/28

10:45 am-2:15 pm

Nonstop11h 30m

Tokyo Narita

Tue 10/14

4:40 pm-10:35 am

Nonstop9h 55m

$639

Los AngelesTokyo

LAX - HND

LAXHND

Los Angeles

Mon 11/10

9:30 pm-2:50 pm

1 stop24h 20m

Tokyo Haneda

Wed 11/19

12:50 am-5:50 pm

Nonstop10h 00m

$642

Los AngelesTokyo

LAX - HND

LAXHND

Los Angeles

Mon 9/29

8:35 am-5:25 pm

1 stop16h 50m

Tokyo Haneda

Wed 10/8

3:50 pm-5:42 pm

1 stop17h 52m

$646

Los AngelesTokyo

LAX - HND

LAXHND

Los Angeles

Tue 10/14

8:35 am-10:00 pm

2 stops21h 25m

Tokyo Haneda

Mon 11/3

12:50 am-5:50 pm

Nonstop10h 00m

$646

Los AngelesTokyo

LAX - NRT

LAXNRT

Los Angeles

Mon 10/13

7:00 am-4:00 pm

1 stop17h 00m

Tokyo Narita

Wed 10/22

6:25 pm-10:48 pm

1 stop20h 23m

$650

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 60 results
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Best time to book a flight from Riverside to Japan

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

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

Currently, February is the cheapest month in which you can book a flight from Riverside to Japan (average of $899). Flying from Riverside to Japan in December is currently the most expensive (average of $1,493). 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 JP?

Find hourly flight availability from Riverside to Japan. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 16, 2025.

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

Reviews of airlines servicing Japan

Get insights into the airlines that provide service to Japan. 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 Japan. Reviews last updated September 16, 2025.
Read reviews from past customers who have flown ANA, Japan Airlines, and Singapore Airlines from Riverside to Japan. 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.
ANA
8.4
Very good
963 reviews

Food

7.7

Comfort

8.2

Entertainment

7.9

Overall

8.4

Boarding

8.6

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

SFO - NRT

ANA ground and flight crew are the best their is They are now officially my Airline of choice Crew are very attentive, friendly, sincere, helpful and respond to queries accurately, promptly and gives you the peace of mind when travelling Salute to the World’s Best Airline for me
ANA
8.4
Very good
963 reviews
ANA
8.4
Very good
963 reviews

Food

7.7

Comfort

8.2

Entertainment

7.9

Overall

8.4

Boarding

8.6

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

SFO - NRT

ANA ground and flight crew are the best their is They are now officially my Airline of choice Crew are very attentive, friendly, sincere, helpful and respond to queries accurately, promptly and gives you the peace of mind when travelling Salute to the World’s Best Airline for me
Japan Airlines
8.3
Very good
1,559 reviews
ANA
8.4
Very good
963 reviews

Food

7.7

Comfort

8.2

Entertainment

7.9

Overall

8.4

Boarding

8.6

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

SFO - NRT

ANA ground and flight crew are the best their is They are now officially my Airline of choice Crew are very attentive, friendly, sincere, helpful and respond to queries accurately, promptly and gives you the peace of mind when travelling Salute to the World’s Best Airline for me
Singapore Airlines
8.1
Very good
1,365 reviews
ANA
8.4
Very good
963 reviews

Food

7.7

Comfort

8.2

Entertainment

7.9

Overall

8.4

Boarding

8.6

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

SFO - NRT

ANA ground and flight crew are the best their is They are now officially my Airline of choice Crew are very attentive, friendly, sincere, helpful and respond to queries accurately, promptly and gives you the peace of mind when travelling Salute to the World’s Best Airline for me
ZIPAIR
7.6
Good
49 reviews
ANA
8.4
Very good
963 reviews

Food

7.7

Comfort

8.2

Entertainment

7.9

Overall

8.4

Boarding

8.6

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

SFO - NRT

ANA ground and flight crew are the best their is They are now officially my Airline of choice Crew are very attentive, friendly, sincere, helpful and respond to queries accurately, promptly and gives you the peace of mind when travelling Salute to the World’s Best Airline for me
United Airlines
7.4
Good
8,924 reviews
ANA
8.4
Very good
963 reviews

Food

7.7

Comfort

8.2

Entertainment

7.9

Overall

8.4

Boarding

8.6

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

SFO - NRT

ANA ground and flight crew are the best their is They are now officially my Airline of choice Crew are very attentive, friendly, sincere, helpful and respond to queries accurately, promptly and gives you the peace of mind when travelling Salute to the World’s Best Airline for me

Related info for your journey

Find useful and relevant information for your journey from Riverside to Japan. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Riverside to Japan?

    Airlines like Asiana Airlines, United Airlines, and Hawaiian Airlines fly from Riverside to Japan in about 11h 30m. The time it takes to get you to your destination can typically vary by up to 20h 45m. There are 5436 mi between Riverside and Japan. 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 Japan one-way?

    $316 is the cheapest one-way deal found within the past few days, from Asiana Airlines. You may also be able to find cheap deals on Philippine Airlines and United Airlines, with prices starting from $338 and $368, respectively.

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

    Most travelers choose Los Angeles - Tokyo Haneda, Los Angeles - Tokyo Narita or Los Angeles - Osaka Kansai Intl when deciding on the best route from Riverside to Japan.

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from Riverside to Japan (average of $899). Flying from Riverside to Japan in December is currently the most expensive (average of $1,493). 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 Japan

Discover the top 10 airlines that operate flights from Riverside to Japan. 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 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$390Average$1,190FlexibilityNo cancel feeOn-time85%
ZIPAIRCheapest$395Average$804FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$486Average$1,040FlexibilityNo cancel feeOn-time69%
Singapore AirlinesCheapest$487Average$785FlexibilityNo cancel feeOn-time81%
Korean AirCheapest$490Average$902FlexibilityNo cancel feeOn-time81%
China AirlinesCheapest$503Average$1,044FlexibilityNo cancel feeOn-time70%
Philippine AirlinesCheapest$548Average$755FlexibilityNo cancel feeOn-time60%
WestJetCheapest$564Average$1,158FlexibilityNo cancel feeOn-time60%
Asiana AirlinesCheapest$570Average$917FlexibilityNo cancel feeOn-time76%
Air ChinaCheapest$583Average$692FlexibilityNo cancel feeOn-time67%

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