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$340+ Cheap flights from Irvine, 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 8/25. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — OSA
Aug 16 — Aug 231
Sat 8/16
Sat 8/23
1 adult, Economy
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Cheapflights Tip: The best prices from Irvine to Osaka are usually found in February or January, booked 20 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

Cheap flight deals from Irvine to Osaka

Keep the following information in mind while searching for Irvine to Osaka flight deals. Data was last updated August 11, 2025.

Round-trip from

$613
(oojo)

One-way from

$340
(SmartFares)

Popular in

June

Cheapest in

February

Average price

$786
From Irvine to Osaka (OSA)
Search Deals
One-way flight from Irvine to Osaka (OSA)
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Highest demand for flights based on searches. 10% potential increase in price ($106 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($25 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Irvine to Osaka

Cheapest flights from Irvine to Osaka
Explore the most affordable flight options available from Irvine to Osaka. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 11, 2025.

This oojo deal was found by Cheapflights users on 8/10. 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 9/111:50 pmLAX - UKB
1 stop25h 50mKorean Air
Wed 9/1711:10 amUKB - LAX
1 stop14h 30mKorean Air
Deal found 8/10$613
This lol.travel deal was found by Cheapflights users on 8/11. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/257:00 amLAX - UKB
2 stops42h 40mKorean Air
Tue 9/911:10 amUKB - LAX
1 stop20h 25mKorean Air
Deal found 8/11$622
This lol.travel deal was found by Cheapflights users on 8/9. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/2412:30 pmLAX - UKB
1 stop29h 40mKorean Air
Tue 9/96:40 pmUKB - LAX
1 stop31h 00mKorean Air
Deal found 8/9$625
This Mytrip deal was found by Cheapflights users on 8/11. 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 8/1711:50 pmLAX - UKB
1 stop18h 20mKorean Air
Tue 9/26:40 pmUKB - LAX
1 stop31h 00mKorean Air
Deal found 8/11$629
This oojo deal was found by Cheapflights users on 8/10. 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.
Thu 9/1111:50 pmLAX - UKB
1 stop25h 50mKorean Air
Tue 9/236:40 pmUKB - LAX
1 stop31h 00mKorean Air
Deal found 8/10$631
This Cheapflightsfares deal was found by Cheapflights users on 8/10. 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.
Mon 9/84:50 pmLAX - UKB
1 stop23h 00mANA
Mon 9/159:15 pmUKB - LAX
1 stop13h 30mANA
Deal found 8/10$637
This TeaFlight deal was found by Cheapflights users on 8/9. 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 TeaFlight is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2311:50 pmLAX - UKB
1 stop18h 20mKorean Air
Tue 9/3011:10 amUKB - LAX
1 stop14h 30mKorean Air
Deal found 8/9$640
This Ovago deal was found by Cheapflights users on 8/11. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/11:10 pmLAX - KIX
Nonstop12h 40mJapan Airlines
Sun 12/145:50 pmKIX - LAX
Nonstop10h 05mJapan Airlines
Deal found 8/11$680
This United Airlines deal was found by Cheapflights users on 8/11. 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.
Wed 8/276:00 amLAX - KIX
1 stop16h 50mUnited Airlines
Mon 9/84:50 pmKIX - LAX
2 stops19h 08mUnited Airlines
Deal found 8/11$681
This Kiwi.com deal was found by Cheapflights users on 8/11. 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 9/34:50 pmLAX - ITM
1 stop22h 35mANA
Tue 9/168:20 pmITM - LAX
1 stop14h 25mANA
Deal found 8/11$682
This American Airlines deal was found by Cheapflights users on 8/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/73:00 pmLAX - KIX
Nonstop11h 45mAmerican Airlines
Mon 9/155:55 pmKIX - LAX
Nonstop10h 40mAmerican Airlines
Deal found 8/11$682
This Air Canada deal was found by Cheapflights users on 8/11. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/56:00 amLAX - KIX
1 stop18h 25mAir Canada
Thu 9/186:05 pmKIX - LAX
1 stop19h 23mAir Canada
Deal found 8/11$683

Cheapflights Fare Finder

 
Customize your flight search to find flights from Irvine 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 August 11, 2025.
Use the filters below to find and compare flights from Irvine to Osaka that are best for you.

Fly from

Irvine

Fly to

Osaka

Route

Depart

Return

Price

Los AngelesKobe

LAX - UKB

LAXUKB

Los Angeles

Mon 9/1

11:50 pm-5:40 pm

1 stop25h 50m

Kobe

Wed 9/17

11:10 am-9:40 am

1 stop14h 30m

$613

Los AngelesKobe

LAX - UKB

LAXUKB

Los Angeles

Mon 8/25

7:00 am-5:40 pm

2 stops42h 40m

Kobe

Tue 9/9

11:10 am-3:35 pm

1 stop20h 25m

$622

Los AngelesKobe

LAX - UKB

LAXUKB

Los Angeles

Sun 8/24

12:30 pm-10:10 am

1 stop29h 40m

Kobe

Tue 9/9

6:40 pm-9:40 am

1 stop31h 00m

$625

Los AngelesKobe

LAX - UKB

LAXUKB

Los Angeles

Sun 8/17

11:50 pm-10:10 am

1 stop18h 20m

Kobe

Tue 9/2

6:40 pm-9:40 am

1 stop31h 00m

$629

Los AngelesKobe

LAX - UKB

LAXUKB

Los Angeles

Thu 9/11

11:50 pm-5:40 pm

1 stop25h 50m

Kobe

Tue 9/23

6:40 pm-9:40 am

1 stop31h 00m

$631

Los AngelesKobe

LAX - UKB

LAXUKB

Los Angeles

Mon 9/8

4:50 pm-7:50 am

1 stop23h 00m

Kobe

Mon 9/15

9:15 pm-6:45 pm

1 stop13h 30m

$637

Los AngelesKobe

LAX - UKB

LAXUKB

Los Angeles

Tue 9/23

11:50 pm-10:10 am

1 stop18h 20m

Kobe

Tue 9/30

11:10 am-9:40 am

1 stop14h 30m

$640

Los AngelesKobe

LAX - UKB

LAXUKB

Los Angeles

Wed 8/27

5:15 pm-7:50 am

1 stop22h 35m

Kobe

Wed 9/24

7:05 am-3:10 pm

1 stop24h 05m

$641

Los AngelesOsaka

LAX - KIX

LAXKIX

Los Angeles

Wed 10/22

7:00 am-9:00 pm

2 stops22h 00m

Osaka Kansai Intl

Tue 10/28

11:55 am-10:50 pm

2 stops26h 55m

$711

Los AngelesOsaka

LAX - ITM

LAXITM

Los Angeles

Sun 8/24

8:52 am-5:35 pm

2 stops16h 43m

Osaka Itami

Tue 9/9

2:25 pm-11:20 am

1 stop12h 55m

$712

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/10

Showing 1-10 of 60 results
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Best time to book a flight from Irvine to Osaka

Have a flexible travel schedule? Discover the best time to fly to Osaka from Irvine 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 Irvine to Osaka

How far ahead should I book a flight from Irvine to Osaka?

Use this chart to determine the optimal time to book a round-trip flight from Irvine to Osaka. Price data was last updated on August 8, 2025.

Booking 20 days in advance of your planned departure date is, on average, the best time to get cheap flights from Irvine to Osaka. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Irvine to Osaka?

Currently, February is the cheapest month in which you can book a flight from Irvine to Osaka (average of $873). Flying from Irvine to Osaka in June is currently the most expensive (average of $1,313). 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 IR9 to OSA?

Find hourly flight availability from Irvine 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 August 11, 2025.

When flying from Irvine to Osaka, 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 Irvine to Osaka?

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

Travelers seeking maximum savings on their Irvine to Osaka flight should consider departing on Tuesday 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.

Weekly flight availability from Irvine to Osaka

Explore weekly flight availability from Irvine 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 August 11, 2025.

The most flights from IR9 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 Irvine 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 August 11, 2025.
See what other customers who have flown with Korean Air, ANA, and Japan Airlines from Irvine to Osaka 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
1,129 reviews

Comfort

8.3

Crew

8.7

Food

8.1

Boarding

8.5

Entertainment

8.2

Overall

8.4

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
1,129 reviews
Korean Air
8.4
Very good
1,129 reviews

Comfort

8.3

Crew

8.7

Food

8.1

Boarding

8.5

Entertainment

8.2

Overall

8.4

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.
ANA
8.4
Very good
930 reviews
Korean Air
8.4
Very good
1,129 reviews

Comfort

8.3

Crew

8.7

Food

8.1

Boarding

8.5

Entertainment

8.2

Overall

8.4

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.
Japan Airlines
8.3
Very good
1,545 reviews
Korean Air
8.4
Very good
1,129 reviews

Comfort

8.3

Crew

8.7

Food

8.1

Boarding

8.5

Entertainment

8.2

Overall

8.4

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
473 reviews
Korean Air
8.4
Very good
1,129 reviews

Comfort

8.3

Crew

8.7

Food

8.1

Boarding

8.5

Entertainment

8.2

Overall

8.4

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.
Delta
8.0
Very good
7,978 reviews
Korean Air
8.4
Very good
1,129 reviews

Comfort

8.3

Crew

8.7

Food

8.1

Boarding

8.5

Entertainment

8.2

Overall

8.4

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 Irvine 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 Irvine to Osaka one-way?

    The cheapest airline one-way is ANA, with whom users have recently found tickets for as low as $340. However, be on the lookout for offers from Korean Air and Japan Airlines, as they are both options that can get you from Irvine to Osaka for a low price.

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

    The most popular route from Irvine 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 Irvine to Osaka?

    No one likes to see their flight delayed. When booking a flight from Irvine to Osaka consider choosing American Airlines (85%), Japan Airlines (85%) or Alaska Airlines (85%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Irvine to Osaka?

    The cheapest flight price from Irvine to Osaka is $385. On average you can expect to pay $1,814. The most popular route, (Los Angeles - Osaka Kansai Intl), can usually be booked for $606.

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from Irvine to Osaka (average of $873). Flying from Irvine to Osaka in June is currently the most expensive (average of $1,313). 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 Osaka?

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

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Top 10 airlines flying from Irvine to Osaka

Discover the top 10 airlines that operate flights from Irvine 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 August 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Korean AirCheapest$490Average$835FlexibilityNo cancel feeOn-time81%
China AirlinesCheapest$503Average$1,097FlexibilityNo cancel feeOn-time70%
Hawaiian AirlinesCheapest$566Average$1,113FlexibilityNo cancel feeOn-time85%
American AirlinesCheapest$611Average$912FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$615Average$823FlexibilityNo cancel feeOn-time67%
Japan AirlinesCheapest$659Average$975FlexibilityNo cancel feeOn-time79%
China EasternCheapest$665Average$713FlexibilityNo cancel feeOn-time62%
ANACheapest$671Average$869FlexibilityNo cancel feeOn-time80%
Alaska AirlinesCheapest$678Average$989FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$708Average$1,039FlexibilityNo cancel feeOn-time69%

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