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Osaka

$395+ 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 1/24. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — OSA
Feb 20 — Feb 271
Fri 2/20
Fri 2/27
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 January 21, 2026.

This FlightHub deal was found by Cheapflights users on 1/18. 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 4/216:36 am
SAN
-
ITM
2 stops19h 34m
ANA
Thu 5/286:00 pm
ITM
-
SAN
2 stops21h 44m
ANA
Deal found 1/18$678
This lastminute.com deal was found by Cheapflights users on 1/20. 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.
Sun 3/17:25 pm
SAN
-
KIX
2 stops32h 20m
Korean Air
Tue 3/179:00 am
KIX
-
SAN
2 stops21h 54m
Korean Air
Deal found 1/20$681
This United Airlines deal was found by Cheapflights users on 1/19. 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 4/196:36 am
SAN
-
KIX
1 stop16h 14m
United Airlines
Wed 4/294:55 pm
KIX
-
SAN
2 stops32h 20m
United Airlines
Deal found 1/19$684
This United Airlines deal was found by Cheapflights users on 1/20. 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 3/14:00 pm
SAN
-
KIX
1 stop31h 40m
United Airlines
Tue 3/178:20 am
KIX
-
SAN
2 stops22h 29m
United Airlines
Deal found 1/20$686
This United Airlines deal was found by Cheapflights users on 1/19. 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 4/196:36 am
SAN
-
ITM
2 stops18h 29m
United Airlines
Wed 4/2912:00 pm
ITM
-
SAN
2 stops24h 39m
United Airlines
Deal found 1/19$690
This United Airlines deal was found by Cheapflights users on 1/19. 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 4/216:36 am
SAN
-
ITM
2 stops18h 29m
United Airlines
Thu 5/2812:00 pm
ITM
-
SAN
2 stops27h 44m
United Airlines
Deal found 1/19$696
This Gotogate deal was found by Cheapflights users on 1/20. 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 3/112:45 pm
SAN
-
KIX
1 stop35h 55m
Air Canada
Tue 3/177:25 pm
KIX
-
SAN
1 stop13h 59m
Air Canada
Deal found 1/20$701
This Korean Air deal was found by Cheapflights users on 1/19. 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 4/197:20 am
SAN
-
KIX
2 stops21h 40m
Korean Air
Wed 4/296:20 pm
KIX
-
SAN
2 stops39h 27m
Korean Air
Deal found 1/19$703
This Korean Air deal was found by Cheapflights users on 1/19. 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.
Tue 4/217:55 pm
SAN
-
UKB
2 stops23h 00m
Korean Air
Thu 5/2811:55 am
UKB
-
SAN
2 stops22h 59m
Korean Air
Deal found 1/19$707
This Ovago deal was found by Cheapflights users on 1/19. 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 4/217:20 am
SAN
-
KIX
1 stop15h 30m
ANA
Thu 5/289:10 pm
KIX
-
SAN
2 stops18h 34m
ANA
Deal found 1/19$708
This Korean Air deal was found by Cheapflights users on 1/20. 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.
Tue 4/216:15 am
SAN
-
KIX
2 stops37h 05m
Korean Air
Thu 5/2812:35 pm
KIX
-
SAN
2 stops22h 19m
Korean Air
Deal found 1/20$709
This lastminute.com deal was found by Cheapflights users on 1/20. 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.
Sun 3/16:15 am
SAN
-
ITM
2 stops19h 40m
ANA
Tue 3/174:00 pm
ITM
-
SAN
2 stops19h 48m
ANA
Deal found 1/20$714

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 January 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$678
(FlightHub)

One-way from

$395
(FlightHub)

Popular in

July

Cheapest in

August

Average price

$826
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. 13% potential increase in price ($154 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($34 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 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 January 21, 2026.
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 3/1

4:00 pm-4:40 pm

1 stop31h 40m

Osaka Kansai Intl

Tue 3/17

8:20 am-2:49 pm

2 stops22h 29m

$686

San DiegoOsaka

SAN - ITM

SANITM

San Diego

Sun 4/19

6:36 am-5:05 pm

2 stops18h 29m

Osaka Itami

Wed 4/29

12:00 pm-8:39 pm

2 stops24h 39m

$690

San DiegoOsaka

SAN - ITM

SANITM

San Diego

Tue 4/21

6:36 am-5:05 pm

2 stops18h 29m

Osaka Itami

Thu 5/28

12:00 pm-11:44 pm

2 stops27h 44m

$696

San DiegoOsaka

SAN - KIX

SANKIX

San Diego

Sun 4/19

7:20 am-9:00 pm

2 stops21h 40m

Osaka Kansai Intl

Wed 4/29

6:20 pm-5:47 pm

2 stops39h 27m

$703

San DiegoKobe

SAN - UKB

SANUKB

San Diego

Tue 4/21

7:55 pm-10:55 am

2 stops23h 00m

Kobe

Thu 5/28

11:55 am-6:54 pm

2 stops22h 59m

$707

San DiegoOsaka

SAN - KIX

SANKIX

San Diego

Tue 4/21

6:15 am-9:00 pm

2 stops22h 45m

Osaka Kansai Intl

Thu 5/28

9:05 am-6:00 pm

2 stops24h 55m

$709

San DiegoOsaka

SAN - ITM

SANITM

San Diego

Sun 3/1

6:15 am-6:55 pm

2 stops19h 40m

Osaka Itami

Tue 3/17

4:00 pm-7:48 pm

2 stops19h 48m

$714

San DiegoOsaka

SAN - KIX

SANKIX

San Diego

Thu 3/5

6:30 am-5:40 pm

2 stops42h 10m

Osaka Kansai Intl

Thu 3/12

7:25 pm-5:24 pm

1 stop13h 59m

$779

San DiegoOsaka

SAN - ITM

SANITM

San Diego

Wed 4/15

6:36 am-6:55 pm

2 stops20h 19m

Osaka Itami

Thu 4/23

12:00 pm-6:38 pm

2 stops22h 38m

$801

San DiegoOsaka

SAN - KIX

SANKIX

San Diego

Wed 4/15

6:30 am-6:45 pm

2 stops20h 15m

Osaka Kansai Intl

Thu 4/23

5:55 pm-9:41 pm

2 stops19h 46m

$818

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/18

Showing 1-10 of 54 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 January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*2 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
CheapflightsfaresPrice Accuracy3 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 Expedia the most. Expedia 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 January 16, 2026.

The best time to book flights from San Diego to Osaka is 73 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, October is the cheapest month in which you can book a flight from San Diego to Osaka (average of $735). Flying from San Diego to Osaka in June is currently the most expensive (average of $1,148). 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 60% 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.

San Francisco (SFO) is the most affordable 1-stop option, with an average round-trip price of $855.

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 28m.

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 25m.

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 January 21, 2026.
Get a feel of what it's like to fly with ANA, Korean Air, and Japan 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
1,077 reviews

Overall

8.4

Comfort

8.2

Crew

8.7

Entertainment

7.9

Food

7.7

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Lindsey,Jan 2026

CGK - HND

All of the flight attendants were very nice & attentive. The bathrooms were kept very clean. We have no complaints!
ANA
8.4
Very good
1,077 reviews
ANA
8.4
Very good
1,077 reviews

Overall

8.4

Comfort

8.2

Crew

8.7

Entertainment

7.9

Food

7.7

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Lindsey,Jan 2026

CGK - HND

All of the flight attendants were very nice & attentive. The bathrooms were kept very clean. We have no complaints!
Korean Air
8.4
Very good
1,187 reviews
ANA
8.4
Very good
1,077 reviews

Overall

8.4

Comfort

8.2

Crew

8.7

Entertainment

7.9

Food

7.7

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Lindsey,Jan 2026

CGK - HND

All of the flight attendants were very nice & attentive. The bathrooms were kept very clean. We have no complaints!
Japan Airlines
8.3
Very good
1,688 reviews
ANA
8.4
Very good
1,077 reviews

Overall

8.4

Comfort

8.2

Crew

8.7

Entertainment

7.9

Food

7.7

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Lindsey,Jan 2026

CGK - HND

All of the flight attendants were very nice & attentive. The bathrooms were kept very clean. We have no complaints!
Hawaiian Airlines
7.8
Good
2,829 reviews
ANA
8.4
Very good
1,077 reviews

Overall

8.4

Comfort

8.2

Crew

8.7

Entertainment

7.9

Food

7.7

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Lindsey,Jan 2026

CGK - HND

All of the flight attendants were very nice & attentive. The bathrooms were kept very clean. We have no complaints!
United Airlines
7.4
Good
9,191 reviews
ANA
8.4
Very good
1,077 reviews

Overall

8.4

Comfort

8.2

Crew

8.7

Entertainment

7.9

Food

7.7

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Lindsey,Jan 2026

CGK - HND

All of the flight attendants were very nice & attentive. The bathrooms were kept very clean. We have no complaints!

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?

    United Airlines, Korean Air, and ANA can get you from San Diego to Osaka in just under 19h 40m. Your travel time can differ by up to 12h. The distance between San Diego and Osaka is about 5809 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 $785. Other airlines that can offer you cheap pricing are United Airlines, from $830, and Alaska Airlines, from $834. ANA is 20% cheaper than the average price of flights available within the next 90 days to this destination.

  • 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, October is the cheapest month in which you can book a flight from San Diego to Osaka (average of $735). Flying from San Diego to Osaka in June is currently the most expensive (average of $1,148). 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.
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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 January 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
ANACheapest$785Average$993FlexibilityNo cancel feeOn-time80%
United AirlinesCheapest$830Average$1,129FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$834Average$1,245FlexibilityNo cancel feeOn-time75%
Korean AirCheapest$835Average$1,101FlexibilityNo cancel feeOn-time81%
Japan AirlinesCheapest$876Average$1,174FlexibilityNo cancel feeOn-time79%

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