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$419+ 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 8/3. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — OSA
May 18 — May 251
Mon 5/18
Mon 5/25
1 adult, Economy
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Cheap 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 April 18, 2026.

This SmartFares deal was found by Cheapflights users on 4/15. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/268:00 am
SAN
-
ITM
2 stops19h 50m
Japan Airlines
Tue 11/103:30 pm
ITM
-
SAN
2 stops35h 14m
Japan Airlines
Deal found 4/15$924
This oojo deal was found by Cheapflights users on 4/14. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/171:45 pm
SAN
-
ITM
2 stops38h 05m
Japan Airlines
Thu 10/2911:30 am
ITM
-
SAN
2 stops38h 14m
Japan Airlines
Deal found 4/14$927
This oojo deal was found by Cheapflights users on 4/17. 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.
Tue 9/299:05 am
SAN
-
KIX
2 stops20h 50m
Japan Airlines
Wed 10/219:15 pm
KIX
-
SAN
2 stops52h 29m
Japan Airlines
Deal found 4/17$928
This oojo deal was found by Cheapflights users on 4/16. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/129:29 pm
SAN
-
ITM
2 stops30h 21m
Multiple Airlines
Wed 9/2312:25 pm
ITM
-
SAN
2 stops20h 45m
Multiple Airlines
Deal found 4/16$929
This oojo deal was found by Cheapflights users on 4/14. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/309:05 am
SAN
-
KIX
2 stops32h 10m
Japan Airlines
Fri 10/167:35 am
KIX
-
SAN
2 stops42h 09m
Japan Airlines
Deal found 4/14$930
This Expedia deal was found by Cheapflights users on 4/17. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/134:55 pm
SAN
-
KIX
1 stop31h 30m
Air Canada
Sat 9/266:00 pm
KIX
-
SAN
1 stop33h 47m
Air Canada
Deal found 4/17$936
This FlightHub deal was found by Cheapflights users on 4/14. 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 10/278:00 am
SAN
-
KIX
2 stops22h 15m
Japan Airlines
Mon 11/99:05 pm
KIX
-
SAN
1 stop29h 40m
Japan Airlines
Deal found 4/14$941
This FlightHub deal was found by Cheapflights users on 4/17. 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 9/299:05 am
SAN
-
ITM
2 stops30h 30m
Japan Airlines
Wed 10/212:35 pm
ITM
-
SAN
2 stops35h 09m
Japan Airlines
Deal found 4/17$950
This Air Canada deal was found by Cheapflights users on 4/17. 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.
Sun 9/134:55 pm
SAN
-
KIX
1 stop31h 30m
Multiple Airlines
Sat 9/266:00 pm
KIX
-
SAN
2 stops16h 35m
Multiple Airlines
Deal found 4/17$951
This FlightHub deal was found by Cheapflights users on 4/17. 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 9/296:20 am
SAN
-
KIX
1 stop16h 30m
ANA
Wed 10/213:55 pm
KIX
-
SAN
2 stops20h 00m
ANA
Deal found 4/17$952
This Justfly.com deal was found by Cheapflights users on 4/14. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/47:15 am
SAN
-
KIX
1 stop16h 25m
ANA
Wed 11/186:35 pm
KIX
-
SAN
1 stop13h 19m
ANA
Deal found 4/14$955
This United Airlines deal was found by Cheapflights users on 4/17. 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 10/206:20 am
SAN
-
ITM
2 stops18h 45m
United Airlines
Wed 11/111:00 pm
ITM
-
SAN
2 stops22h 35m
United Airlines
Deal found 4/17$960

Find 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 April 18, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$928
(oojo)

One-way from

$546
(Delta)

Popular in

July

Cheapest in

January

Average price

$957
Provider with most accurate pricing for San Diego-Osaka (OSA) flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Diego-Osaka (OSA) flights.
Search Deals
From San Diego to Osaka (OSA)
Search Deals
One-way flight from San Diego to Osaka (OSA)
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($141 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($33 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

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 April 18, 2026.
Use the filters below to find and compare flights from San Diego to Osaka that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San DiegoKobe

SAN - UKB

SANUKB

San Diego

Wed 10/14

3:35 pm-10:55 am

2 stops27h 20m

Kobe

Fri 10/30

11:10 am-5:59 pm

2 stops22h 49m

$979

San DiegoKobe

SAN - UKB

SANUKB

San Diego

Wed 10/14

3:35 pm-10:55 am

2 stops27h 20m

Kobe

Tue 10/27

11:10 am-5:59 pm

2 stops22h 49m

$979

San DiegoOsaka

SAN - ITM

SANITM

San Diego

Mon 9/28

7:15 am-5:05 pm

2 stops17h 50m

Osaka Itami

Sun 10/18

12:55 pm-11:35 am

2 stops38h 40m

$1,006

San DiegoOsaka

SAN - ITM

SANITM

San Diego

Wed 10/14

6:20 am-5:05 pm

2 stops18h 45m

Osaka Itami

Thu 10/22

12:55 pm-7:55 pm

2 stops23h 00m

$1,008

San DiegoOsaka

SAN - ITM

SANITM

San Diego

Mon 10/12

5:00 pm-5:05 pm

2 stops56h 05m

Osaka Itami

Tue 10/20

12:55 pm-7:55 pm

2 stops23h 00m

$1,014

San DiegoOsaka

SAN - ITM

SANITM

San Diego

Mon 10/12

5:00 pm-5:05 pm

2 stops56h 05m

Osaka Itami

Wed 10/21

12:55 pm-6:35 pm

2 stops21h 40m

$1,014

San DiegoOsaka

SAN - ITM

SANITM

San Diego

Wed 10/14

6:20 am-5:05 pm

2 stops18h 45m

Osaka Itami

Mon 10/26

1:00 pm-6:35 pm

2 stops21h 35m

$1,018

San DiegoOsaka

SAN - KIX

SANKIX

San Diego

Sat 8/8

8:42 pm-2:50 pm

2 stops26h 08m

Osaka Kansai Intl

Sat 8/22

4:55 pm-7:55 pm

2 stops19h 00m

$1,024

San DiegoOsaka

SAN - KIX

SANKIX

San Diego

Wed 9/30

6:20 am-2:50 pm

1 stop16h 30m

Osaka Kansai Intl

Fri 10/16

9:20 am-8:45 pm

2 stops27h 25m

$1,025

San DiegoOsaka

SAN - KIX

SANKIX

San Diego

Mon 8/24

6:20 am-2:50 pm

1 stop16h 30m

Osaka Kansai Intl

Mon 8/31

9:20 am-11:35 am

2 stops42h 15m

$1,045

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/14

Showing 1-10 of 52 resultsSorted by cheapest first
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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
OvagoPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars
CheapfaremartPrice Accuracy-Trust Score*1 star

*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 April 10, 2026.

The best time to book flights from San Diego to Osaka is 82 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, December is the cheapest month in which you can book a flight from San Diego to Osaka (average of $546). Flying from San Diego to Osaka in May is currently the most expensive (average of $877). 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.

How much does it cost to fly round-trip from San Diego to Osaka?

What’s the top layover airport for flights from San Diego to Osaka?

Share of 1-stop round-trip flights from San Diego to Osaka chosen by Cheapflights users in the past 12 months, using the same layover each way.

San Francisco (SFO) – chosen by Cheapflights users on 67% of 1-stop itineraries from San Diego to Osaka on Cheapflights.

What’s the cheapest layover airport for flights from San Diego to Osaka?

Average round-trip fare for 1-stop flights from San Diego to Osaka, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Tokyo (NRT) is the most affordable 1-stop option, with an average round-trip price of $889.

What’s the fastest layover option from San Diego to Osaka?

Shortest average travel time for 1-stop one-way flights from San Diego to Osaka, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Tokyo (NRT) have the shortest average one-way travel time for 1-stop routes: 14h 10m.

Which airport typically offers the quickest layover for flights from San Diego to Osaka?

Average layover duration for 1-stop one-way flights from San Diego to Osaka, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Tokyo (NRT) offer the fastest connection on this route, with an average layover time of 1h 30m.

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 18, 2026.
Get a feel of what it's like to fly with ANA,Japan Airlines, andUnited Airlines from San Diego to Osaka by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
ANA
8.4
Very good
1,179 reviews

Food

7.8

Boarding

8.6

Entertainment

8.0

Overall

8.4

Comfort

8.2

Crew

8.7

Reviews

1 / 20
8.0
Excellent

Alejandro,Apr 2026

SFO - HND

Food was good, not exceptional. On my second flight, Tokyo to Hiroshima, a single cup of coffee was offered, not a bag of pretzels or cookies. Granted, the flight was only an hour and a half, but this seems stingy.
ANA
8.4
Very good
1,179 reviews
ANA
8.4
Very good
1,179 reviews

Food

7.8

Boarding

8.6

Entertainment

8.0

Overall

8.4

Comfort

8.2

Crew

8.7

Reviews

1 / 20
8.0
Excellent

Alejandro,Apr 2026

SFO - HND

Food was good, not exceptional. On my second flight, Tokyo to Hiroshima, a single cup of coffee was offered, not a bag of pretzels or cookies. Granted, the flight was only an hour and a half, but this seems stingy.
Japan Airlines
8.3
Very good
1,783 reviews
ANA
8.4
Very good
1,179 reviews

Food

7.8

Boarding

8.6

Entertainment

8.0

Overall

8.4

Comfort

8.2

Crew

8.7

Reviews

1 / 20
8.0
Excellent

Alejandro,Apr 2026

SFO - HND

Food was good, not exceptional. On my second flight, Tokyo to Hiroshima, a single cup of coffee was offered, not a bag of pretzels or cookies. Granted, the flight was only an hour and a half, but this seems stingy.
United Airlines
7.4
Good
9,603 reviews
ANA
8.4
Very good
1,179 reviews

Food

7.8

Boarding

8.6

Entertainment

8.0

Overall

8.4

Comfort

8.2

Crew

8.7

Reviews

1 / 20
8.0
Excellent

Alejandro,Apr 2026

SFO - HND

Food was good, not exceptional. On my second flight, Tokyo to Hiroshima, a single cup of coffee was offered, not a bag of pretzels or cookies. Granted, the flight was only an hour and a half, but this seems stingy.
American Airlines
7.1
Good
11,604 reviews
ANA
8.4
Very good
1,179 reviews

Food

7.8

Boarding

8.6

Entertainment

8.0

Overall

8.4

Comfort

8.2

Crew

8.7

Reviews

1 / 20
8.0
Excellent

Alejandro,Apr 2026

SFO - HND

Food was good, not exceptional. On my second flight, Tokyo to Hiroshima, a single cup of coffee was offered, not a bag of pretzels or cookies. Granted, the flight was only an hour and a half, but this seems stingy.
Air Canada
7.1
Good
10,935 reviews
ANA
8.4
Very good
1,179 reviews

Food

7.8

Boarding

8.6

Entertainment

8.0

Overall

8.4

Comfort

8.2

Crew

8.7

Reviews

1 / 20
8.0
Excellent

Alejandro,Apr 2026

SFO - HND

Food was good, not exceptional. On my second flight, Tokyo to Hiroshima, a single cup of coffee was offered, not a bag of pretzels or cookies. Granted, the flight was only an hour and a half, but this seems stingy.

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 5 different airlines.

  • How long is the flight from San Diego to Osaka?

    Japan Airlines, ANA, and United Airlines can get you from San Diego to Osaka in just under 16h 30m. Your travel time can differ by up to 13h 20m. The distance between San Diego and Osaka is about 5833 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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 $790. Other airlines that can offer you cheap pricing are Alaska Airlines, from $834, and Korean Air, from $835. ANA is 21% 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 $422 on Japan Airlines. Other airlines that offer cheap prices include ANA from $429 and United Airlines from $448 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, December is the cheapest month in which you can book a flight from San Diego to Osaka (average of $546). Flying from San Diego to Osaka in May is currently the most expensive (average of $877). 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

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Alternative routes for San Diego to Osaka

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Kansai Intl flights
San Francisco to Kansai Intl flights
Los Angeles to Osaka Itami flights
San Jose to Kansai Intl flights
San Diego to Kansai Intl flights

Top 5 airlines flying from San Diego to Osaka

Discover the top 5 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 April 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
ANACheapest$790Average$1,135FlexibilityNo cancel feeOn-time80%
Alaska AirlinesCheapest$834Average$1,245FlexibilityNo cancel feeOn-time75%
Korean AirCheapest$835Average$921FlexibilityNo cancel feeOn-time81%
United AirlinesCheapest$863Average$1,064FlexibilityNo cancel feeOn-time69%
Japan AirlinesCheapest$876Average$1,063FlexibilityNo cancel feeOn-time79%

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