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$468+ 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 7/19. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — OSA
may. 4 — may. 111
dom. 5/4
dom. 5/11
1 adult, Economy
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Cheapflights Tip: The best prices from San Diego to Osaka are usually found in December or September, 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 abril 29, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$1,017
(United Airlines)

One-way from

$468
(United Airlines)

Popular in

June

Cheapest in

December

Average price

$1,195
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)
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($153 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($31 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 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 abril 29, 2025.

This Justfly.com deal was found by Cheapflights users on 4/29. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/86:15 amSAN - KIX
2 stops18h 10mAir Canada
lun. 9/156:05 pmKIX - SAN
1 stop14h 02mAir Canada
Deal found 4/29$815
This Air Canada deal was found by Cheapflights users on 4/29. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/2511:50 amSAN - ITM
2 stops38h 05mAir Canada
mar. 12/22:05 pmITM - SAN
2 stops22h 20mAir Canada
Deal found 4/29$846
This lastminute.com deal was found by Cheapflights users on 4/28. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/119:00 amSAN - KIX
1 stop17h 45mHawaiian Airlines
dom. 9/288:45 pmKIX - SAN
1 stop17h 13mHawaiian Airlines
Deal found 4/28$877
This Cheapflightsfares deal was found by Cheapflights users on 4/29. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/106:15 amSAN - KIX
1 stop16h 35mANA
dom. 9/284:50 pmKIX - SAN
1 stop15h 40mANA
Deal found 4/29$896
This Cheapflightsfares deal was found by Cheapflights users on 4/29. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/108:00 amSAN - ITM
2 stops19h 10mANA
dom. 9/2810:00 amITM - SAN
2 stops22h 30mANA
Deal found 4/29$902
This United Airlines deal was found by Cheapflights users on 4/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/116:15 amSAN - KIX
2 stops16h 35mUnited Airlines
dom. 9/284:50 pmKIX - SAN
2 stops22h 46mUnited Airlines
Deal found 4/29$908
This American Airlines deal was found by Cheapflights users on 4/28. 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.
vie. 10/108:10 amSAN - KIX
2 stops18h 35mAmerican Airlines
vie. 10/245:55 pmKIX - SAN
2 stops18h 09mAmerican Airlines
Deal found 4/28$942
This ANA deal was found by Cheapflights users on 4/29. 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 ANA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/188:11 pmSAN - ITM
2 stops19h 14mMultiple Airlines
vie. 9/268:20 pmITM - SAN
2 stops15h 56mMultiple Airlines
Deal found 4/29$955
This FlightHub deal was found by Cheapflights users on 4/28. 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.
lun. 9/221:35 pmSAN - KIX
1 stop27h 25mJapan Airlines
jue. 10/211:50 amKIX - SAN
1 stop15h 20mJapan Airlines
Deal found 4/28$964
This Alaska Airlines deal was found by Cheapflights users on 4/28. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/87:00 amSAN - KIX
1 stop18h 45mAlaska Airlines
mar. 11/118:45 pmKIX - SAN
1 stop16h 15mAlaska Airlines
Deal found 4/28$965
This United Airlines deal was found by Cheapflights users on 4/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 7/218:00 amSAN - ITM
2 stops17h 05mUnited Airlines
mar. 8/1212:00 pmITM - SAN
2 stops16h 48mUnited Airlines
Deal found 4/28$1,017
This China Airlines deal was found by Cheapflights users on 4/28. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/76:30 pmSAN - KIX
2 stops24h 05mMultiple Airlines
mar. 11/117:00 pmKIX - SAN
2 stops22h 07mMultiple Airlines
Deal found 4/28$1,030

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 abril 29, 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 - ITM

SANITM

San Diego

lun. 7/21

8:00 am-5:05 pm

2 stops17h 05m

Osaka Itami

mar. 8/12

12:00 pm-12:48 pm

2 stops16h 48m

$1,017

San DiegoOsaka

SAN - ITM

SANITM

San Diego

vie. 7/18

8:00 am-7:10 pm

2 stops19h 10m

Osaka Itami

mar. 8/12

12:00 pm-3:06 pm

2 stops19h 06m

$1,044

San DiegoOsaka

SAN - KIX

SANKIX

San Diego

lun. 5/5

1:05 pm-10:15 pm

1 stop17h 10m

Osaka Kansai Intl

lun. 5/19

7:40 am-11:10 am

1 stop19h 30m

$1,083

San DiegoOsaka

SAN - ITM

SANITM

San Diego

lun. 5/5

1:05 pm-11:00 am

2 stops29h 55m

Osaka Itami

lun. 5/19

8:35 am-11:10 am

2 stops18h 35m

$1,090

San DiegoOsaka

SAN - KIX

SANKIX

San Diego

mié. 5/14

7:45 pm-1:00 pm

2 stops25h 15m

Osaka Kansai Intl

mar. 5/27

5:45 pm-7:39 am

2 stops29h 54m

$1,093

San DiegoOsaka

SAN - KIX

SANKIX

San Diego

lun. 5/5

7:45 am-2:50 pm

1 stop15h 05m

Osaka Kansai Intl

lun. 5/19

11:00 am-2:54 pm

2 stops19h 54m

$1,119

San DiegoOsaka

SAN - KIX

SANKIX

San Diego

dom. 6/8

6:58 pm-10:15 pm

3 stops35h 17m

Osaka Kansai Intl

dom. 6/15

9:45 am-12:09 pm

3 stops42h 24m

$1,131

San DiegoOsaka

SAN - KIX

SANKIX

San Diego

dom. 5/11

6:20 am-6:45 pm

2 stops20h 25m

Osaka Kansai Intl

dom. 5/25

5:55 pm-9:36 pm

2 stops19h 41m

$1,135

San DiegoOsaka

SAN - KIX

SANKIX

San Diego

dom. 5/11

7:25 pm-9:05 pm

2 stops33h 40m

Osaka Kansai Intl

dom. 5/25

10:50 am-11:41 pm

2 stops28h 51m

$1,163

San DiegoKobe

SAN - UKB

SANUKB

San Diego

lun. 5/5

6:15 pm-5:30 pm

2 stops31h 15m

Kobe

lun. 5/19

11:00 am-1:30 pm

2 stops18h 30m

$1,202

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 36 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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
GurufarePrice Accuracy3 starsTrust Score*3 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 AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on San Diego-Osaka flight deals on Cheapflights vs. AranGrant >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 AranGrant the most. AranGrant 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 April 25, 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 $1,350). 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 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 abril 29, 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 abril 29, 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
161 reviews

Food

8.9

Boarding

9.0

Overall

9.1

Comfort

9.0

Crew

9.3

Entertainment

9.0

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
STARLUX Airlines
9.1
Wonderful
161 reviews
STARLUX Airlines
9.1
Wonderful
161 reviews

Food

8.9

Boarding

9.0

Overall

9.1

Comfort

9.0

Crew

9.3

Entertainment

9.0

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
Korean Air
8.4
Very good
1,066 reviews
STARLUX Airlines
9.1
Wonderful
161 reviews

Food

8.9

Boarding

9.0

Overall

9.1

Comfort

9.0

Crew

9.3

Entertainment

9.0

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
Japan Airlines
8.3
Very good
1,459 reviews
STARLUX Airlines
9.1
Wonderful
161 reviews

Food

8.9

Boarding

9.0

Overall

9.1

Comfort

9.0

Crew

9.3

Entertainment

9.0

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
China Airlines
8.3
Very good
732 reviews
STARLUX Airlines
9.1
Wonderful
161 reviews

Food

8.9

Boarding

9.0

Overall

9.1

Comfort

9.0

Crew

9.3

Entertainment

9.0

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
ANA
8.3
Very good
852 reviews
STARLUX Airlines
9.1
Wonderful
161 reviews

Food

8.9

Boarding

9.0

Overall

9.1

Comfort

9.0

Crew

9.3

Entertainment

9.0

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.

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 $1,017. Other airlines that can offer you cheap pricing are ANA, from $1,044, and Japan Airlines, from $1,083. United Airlines is 3% 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 $468 on United Airlines. Other airlines that offer cheap prices include ANA from $470 and Air Canada from $474 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 $1,350). 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 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 abril 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$801Average$1,098FlexibilityNo cancel feeOn-time85%
ANACheapest$825Average$1,167FlexibilityNo cancel feeOn-time80%
United AirlinesCheapest$830Average$1,495FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$841Average$955FlexibilityNo cancel feeOn-time67%
Japan AirlinesCheapest$876Average$1,125FlexibilityNo cancel feeOn-time79%
American AirlinesCheapest$959Average$1,218FlexibilityNo cancel feeOn-time71%

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