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$392+ Cheap flights from San Diego (SAN) 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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — OSA
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
1 adult, Economy
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Cheapflights Tip: The best prices from San Diego to Osaka are usually found in December or October, booked 49 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

Cheap flight deals from San Diego to Osaka

Discover tips and strategies to find the most affordable flight options for your journey from San Diego (SAN) to Osaka (OSA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$818
(Cheapflightsfares)

One-way from

$392
(Kiwi.com)

Popular in

June

Cheapest in

December

Average price

$1,193
Provider with most accurate pricing for San Diego-Osaka (OSA) flight deals.
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Provider most trusted by Cheapflights users for San Diego-Osaka (OSA) flights.
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From San Diego to Osaka (OSA)
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One-way flight from San Diego to Osaka (OSA)
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Highest demand for flights based on searches. 13% potential increase in price ($162 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($28 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Find flight deals from San Diego to Osaka

Cheapest flights from San Diego to Osaka
Explore the most affordable flight options available from San Diego to Osaka. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 28, 2025.

This Alaska Airlines deal was found by Cheapflights users on 3/27. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/249:00 amSAN - KIX
1 stop17h 45mAlaska Airlines
Wed 9/108:45 pmKIX - SAN
1 stop17h 13mAlaska Airlines
Deal found 3/27$794
This Cheapflightsfares deal was found by Cheapflights users on 3/27. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/68:00 amSAN - KIX
1 stop14h 50mANA
Sat 9/274:50 pmKIX - SAN
1 stop17h 03mANA
Deal found 3/27$814
This Cheapflightsfares deal was found by Cheapflights users on 3/27. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/216:20 amSAN - ITM
2 stops19h 50mANA
Tue 11/44:00 pmITM - SAN
2 stops18h 49mANA
Deal found 3/27$829
This Mytrip deal was found by Cheapflights users on 3/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/126:15 amSAN - KIX
3 stops21h 15mMultiple Airlines
Mon 5/197:40 amKIX - SAN
2 stops25h 08mMultiple Airlines
Deal found 3/27$837
This American Airlines deal was found by Cheapflights users on 3/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/46:36 amSAN - KIX
2 stops20h 09mAmerican Airlines
Sun 10/195:55 pmKIX - SAN
2 stops19h 45mAmerican Airlines
Deal found 3/28$839
This United Airlines deal was found by Cheapflights users on 3/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/246:15 amSAN - KIX
1 stop16h 35mUnited Airlines
Thu 9/114:50 pmKIX - SAN
1 stop23h 27mUnited Airlines
Deal found 3/27$841
This United Airlines deal was found by Cheapflights users on 3/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/246:15 amSAN - ITM
2 stops18h 50mUnited Airlines
Fri 9/1212:00 pmITM - SAN
2 stops27h 44mUnited Airlines
Deal found 3/27$847
This Ovago deal was found by Cheapflights users on 3/27. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/91:35 pmSAN - ITM
1 stop14h 10mJapan Airlines
Tue 9/169:25 amITM - SAN
2 stops23h 06mJapan Airlines
Deal found 3/27$854
This Gotogate deal was found by Cheapflights users on 3/28. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/48:50 pmSAN - UKB
2 stops43h 00mANA
Sun 10/199:15 pmUKB - SAN
2 stops18h 29mANA
Deal found 3/28$868
This American Airlines deal was found by Cheapflights users on 3/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/91:35 pmSAN - ITM
1 stop14h 10mAmerican Airlines
Tue 9/162:35 pmITM - SAN
1 stop13h 00mAmerican Airlines
Deal found 3/27$882
This Air Canada deal was found by Cheapflights users on 3/27. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/265:00 pmSAN - KIX
1 stop31h 25mAir Canada
Sat 9/136:05 pmKIX - SAN
1 stop14h 02mAir Canada
Deal found 3/27$884
This Korean Air deal was found by Cheapflights users on 3/27. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/246:15 amSAN - UKB
2 stops35h 45mKorean Air
Thu 9/1111:00 amUKB - SAN
2 stops18h 26mKorean Air
Deal found 3/27$921

Cheapflights Fare Finder

Customize your flight search to find flights from San Diego 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 March 28, 2025.
Use the filters below to find and compare flights from San Diego to Osaka that are best for you.

Fly from

San Diego

Fly to

Osaka

Route

Depart

Return

Price

San DiegoOsaka

SAN - KIX

SANKIX

San Diego

Sun 8/24

9:00 am-6:45 pm

1 stop17h 45m

Osaka Kansai Intl

Wed 9/10

8:45 pm-9:58 pm

1 stop17h 13m

$794

San DiegoOsaka

SAN - KIX

SANKIX

San Diego

Sat 9/6

8:00 am-2:50 pm

1 stop14h 50m

Osaka Kansai Intl

Sat 9/27

4:50 pm-5:53 pm

1 stop17h 03m

$814

San DiegoKobe

SAN - UKB

SANUKB

San Diego

Wed 4/23

7:45 am-9:45 pm

2 stops22h 00m

Kobe

Tue 5/6

9:15 pm-11:59 pm

2 stops18h 44m

$829

San DiegoOsaka

SAN - KIX

SANKIX

San Diego

Mon 5/12

6:15 am-7:30 pm

3 stops21h 15m

Osaka Kansai Intl

Mon 5/19

7:40 am-4:48 pm

2 stops25h 08m

$837

San DiegoOsaka

SAN - KIX

SANKIX

San Diego

Sat 9/6

6:36 am-6:45 pm

2 stops20h 09m

Osaka Kansai Intl

Sat 9/27

5:55 pm-9:41 pm

2 stops19h 46m

$839

San DiegoOsaka

SAN - KIX

SANKIX

San Diego

Sun 8/24

6:15 am-2:50 pm

1 stop16h 35m

Osaka Kansai Intl

Thu 9/11

4:50 pm-12:17 am

1 stop23h 27m

$841

San DiegoOsaka

SAN - ITM

SANITM

San Diego

Thu 4/24

7:45 am-8:35 pm

2 stops20h 50m

Osaka Itami

Fri 5/9

8:20 pm-11:59 pm

2 stops19h 39m

$862

San DiegoOsaka

SAN - ITM

SANITM

San Diego

Sun 4/20

7:45 am-5:05 pm

2 stops41h 20m

Osaka Itami

Wed 5/14

12:00 pm-9:53 am

2 stops37h 53m

$863

San DiegoOsaka

SAN - ITM

SANITM

San Diego

Tue 4/22

7:35 pm-7:25 am

2 stops19h 50m

Osaka Itami

Tue 5/6

8:20 pm-8:16 pm

2 stops15h 56m

$864

San DiegoOsaka

SAN - KIX

SANKIX

San Diego

Tue 8/26

5:00 pm-4:25 pm

1 stop31h 25m

Osaka Kansai Intl

Sat 9/13

6:05 pm-4:07 pm

1 stop14h 02m

$884

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Showing 1-10 of 38 results
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Compare providers for flights from San Diego to Osaka

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Diego to Osaka in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star
GurufarePrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on San Diego-Osaka flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Diego-Osaka flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Diego-Osaka flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Diego-Osaka flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Diego-Osaka flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from San Diego to Osaka

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

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

Use this chart to determine the optimal time to book a round-trip flight from San Diego to Osaka. Price data was last updated on March 21, 2025.

The best time to book flights from San Diego to Osaka is 49 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 San Diego to Osaka?

Currently, February is the cheapest month in which you can book a flight from San Diego to Osaka (average of $898). Flying from San Diego to Osaka in December is currently the most expensive (average of $1,343). 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 SAN to OSA?

Find hourly flight availability from San Diego 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 March 28, 2025.

It’s optimal to fly from San Diego to Osaka in the morning. By choosing this option you can save up to 9% on the cost of your flight, compared to a flight at noon.

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 March 28, 2025.
Read through reviews of airlines operating flights from San Diego to Osaka, such as STARLUX Airlines, Korean Air and Japan Airlines. 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.
STARLUX Airlines
9.1
Wonderful
146 reviews

Crew

9.3

Food

8.9

Entertainment

9.0

Overall

9.1

Comfort

9.0

Boarding

9.0

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

Crew

9.3

Food

8.9

Entertainment

9.0

Overall

9.1

Comfort

9.0

Boarding

9.0

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
1,050 reviews
STARLUX Airlines
9.1
Wonderful
146 reviews

Crew

9.3

Food

8.9

Entertainment

9.0

Overall

9.1

Comfort

9.0

Boarding

9.0

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

Crew

9.3

Food

8.9

Entertainment

9.0

Overall

9.1

Comfort

9.0

Boarding

9.0

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
829 reviews
STARLUX Airlines
9.1
Wonderful
146 reviews

Crew

9.3

Food

8.9

Entertainment

9.0

Overall

9.1

Comfort

9.0

Boarding

9.0

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.
China Airlines
8.2
Very good
722 reviews
STARLUX Airlines
9.1
Wonderful
146 reviews

Crew

9.3

Food

8.9

Entertainment

9.0

Overall

9.1

Comfort

9.0

Boarding

9.0

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 San Diego to Osaka. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from San Diego to Osaka?

    If you book a flight to Osaka from San Diego, you will be flying from San Diego, which is the city’s only airport. San Diego (SAN) is located 2.6 mi from the center of San Diego. There are 0 flights from San Diego to Osaka per day from 6 different airlines.

  • What are the cheapest airlines flying from San Diego to Osaka round-trip?

    Cheapflights users have booked flights from San Diego to Osaka round-trip from $818. Other airlines that can offer you cheap pricing are United Airlines, from $843, and Japan Airlines, from $854. ANA is 23% cheaper than the average price of flights available within the next 90 days to this destination.

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

    One-way options have recently been found by users for as low as $448 on United Airlines. Other airlines that offer cheap prices include Alaska Airlines from $481 and ANA from $530 one-way.

  • What are the most popular routes from San Diego to Osaka?

    When deciding which route to take from San Diego to Osaka consider San Diego - Osaka Kansai Intl, San Diego - Osaka Itami or San Diego - Kobe as they are the most popular.

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

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

  • How can I find direct flights from San Diego to Osaka?

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

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

    Yes. Cheapflights offers flight deals from San Diego 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 San Diego to Osaka?

    Currently, February is the cheapest month in which you can book a flight from San Diego to Osaka (average of $898). Flying from San Diego to Osaka in December is currently the most expensive (average of $1,343). 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 San Diego?

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

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Top 6 airlines flying from San Diego to Osaka

Discover the top 6 airlines that operate flights from San Diego 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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$801Average$1,199FlexibilityNo cancel feeOn-time85%
ANACheapest$825Average$1,168FlexibilityNo cancel feeOn-time80%
United AirlinesCheapest$830Average$1,338FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$841Average$955FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$959Average$1,218FlexibilityNo cancel feeOn-time71%
Japan AirlinesCheapest$978Average$1,528FlexibilityNo cancel feeOn-time79%
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