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$375+ 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 7/27. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — OSA
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from San Diego to Osaka are usually found in September or December, 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 June 12, 2025.

Round-trip from

$671
(Air Canada)

One-way from

$375
(Air Canada)

Popular in

July

Cheapest in

September

Average price

$1,283
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. 12% potential increase in price ($156 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($29 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This Air Canada deal was found by Cheapflights users on 6/11. 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.
Sun 9/214:55 pmSAN - KIX
1 stop31h 30mAir Canada
Thu 10/26:05 pmKIX - SAN
1 stop14h 02mAir Canada
Deal found 6/11$671
This Air Canada deal was found by Cheapflights users on 6/10. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/15:00 pmSAN - ITM
2 stops33h 55mAir Canada
Mon 9/82:05 pmITM - SAN
2 stops18h 02mAir Canada
Deal found 6/10$679
This SmartFares deal was found by Cheapflights users on 6/12. 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.
Wed 11/125:45 pmSAN - KIX
1 stop32h 00mHawaiian Airlines
Mon 11/178:45 pmKIX - SAN
1 stop16h 21mHawaiian Airlines
Deal found 6/12$777
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/29:00 amSAN - KIX
1 stop17h 45mAlaska Airlines
Tue 9/168:45 pmKIX - SAN
1 stop16h 14mAlaska Airlines
Deal found 6/10$789
This Air Canada deal was found by Cheapflights users on 6/10. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/34:55 pmSAN - ITM
2 stops34h 00mMultiple Airlines
Wed 9/172:05 pmITM - SAN
2 stops37h 42mMultiple Airlines
Deal found 6/10$800
This Kiwi.com deal was found by Cheapflights users on 6/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/129:00 amSAN - KIX
1 stop17h 45mMultiple Airlines
Wed 9/247:40 amKIX - SAN
2 stops43h 56mMultiple Airlines
Deal found 6/10$845
This Gurufare deal was found by Cheapflights users on 6/11. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/38:00 amSAN - KIX
1 stop14h 50mANA
Wed 9/174:50 pmKIX - SAN
1 stop14h 18mANA
Deal found 6/11$865
This Cheapflightsfares deal was found by Cheapflights users on 6/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/216:15 amSAN - ITM
2 stops18h 50mANA
Thu 10/211:00 amITM - SAN
2 stops20h 59mANA
Deal found 6/11$871
This United Airlines deal was found by Cheapflights users on 6/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/106:15 amSAN - KIX
2 stops16h 35mUnited Airlines
Fri 9/264:50 pmKIX - SAN
1 stop15h 09mUnited Airlines
Deal found 6/10$877
This United Airlines deal was found by Cheapflights users on 6/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/106:15 amSAN - ITM
2 stops18h 50mUnited Airlines
Wed 9/2412:00 pmITM - SAN
2 stops19h 08mUnited Airlines
Deal found 6/10$883
This Japan Airlines deal was found by Cheapflights users on 6/10. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/121:35 pmSAN - ITM
2 stops29h 20mJapan Airlines
Mon 9/227:05 amITM - SAN
2 stops20h 30mJapan Airlines
Deal found 6/10$903
This American Airlines deal was found by Cheapflights users on 6/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/11:35 pmSAN - ITM
1 stop14h 10mAmerican Airlines
Mon 9/82:35 pmITM - SAN
1 stop13h 00mAmerican Airlines
Deal found 6/10$930

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 June 12, 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

Mon 9/1

6:15 am-4:25 pm

1 stop18h 10m

Osaka Kansai Intl

Mon 9/8

6:05 pm-4:07 pm

1 stop14h 02m

$671

San DiegoOsaka

SAN - ITM

SANITM

San Diego

Mon 9/1

5:00 pm-6:55 pm

2 stops33h 55m

Osaka Itami

Mon 9/8

2:05 pm-4:07 pm

2 stops18h 02m

$679

San DiegoOsaka

SAN - KIX

SANKIX

San Diego

Tue 9/2

9:00 am-6:45 pm

1 stop17h 45m

Osaka Kansai Intl

Tue 9/16

8:45 pm-8:59 pm

1 stop16h 14m

$789

San DiegoOsaka

SAN - ITM

SANITM

San Diego

Wed 9/3

4:55 pm-6:55 pm

2 stops34h 00m

Osaka Itami

Wed 9/17

2:05 pm-11:47 am

2 stops37h 42m

$800

San DiegoOsaka

SAN - KIX

SANKIX

San Diego

Wed 9/10

9:00 am-6:45 pm

1 stop17h 45m

Osaka Kansai Intl

Sun 9/28

8:45 pm-7:00 am

1 stop26h 15m

$803

San DiegoOsaka

SAN - KIX

SANKIX

San Diego

Wed 9/3

8:00 am-2:50 pm

1 stop14h 50m

Osaka Kansai Intl

Wed 9/17

4:50 pm-3:08 pm

1 stop14h 18m

$865

San DiegoOsaka

SAN - KIX

SANKIX

San Diego

Wed 9/10

9:00 am-6:45 pm

1 stop17h 45m

Osaka Kansai Intl

Sun 9/21

7:35 am-4:13 pm

2 stops24h 38m

$870

San DiegoOsaka

SAN - ITM

SANITM

San Diego

Wed 9/10

8:00 am-5:05 pm

2 stops17h 05m

Osaka Itami

Sun 9/28

8:00 am-6:29 pm

2 stops26h 29m

$876

San DiegoOsaka

SAN - KIX

SANKIX

San Diego

Wed 9/10

6:15 am-2:50 pm

2 stops16h 35m

Osaka Kansai Intl

Fri 9/26

4:50 pm-3:59 pm

1 stop15h 09m

$877

San DiegoOsaka

SAN - ITM

SANITM

San Diego

Wed 9/10

8:00 am-5:05 pm

2 stops17h 05m

Osaka Itami

Thu 9/25

12:00 pm-12:53 pm

2 stops16h 53m

$883

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 38 results
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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 June 9, 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 $888). Flying from San Diego to Osaka in June is currently the most expensive (average of $1,324). 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 June 12, 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 June 12, 2025.
Read through reviews of airlines operating flights from San Diego to Osaka, such as STARLUX Airlines, EVA Air and Korean Air. 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
178 reviews

Entertainment

8.9

Overall

9.1

Boarding

9.0

Food

8.8

Crew

9.3

Comfort

9.0

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
STARLUX Airlines
9.1
Wonderful
178 reviews
STARLUX Airlines
9.1
Wonderful
178 reviews

Entertainment

8.9

Overall

9.1

Boarding

9.0

Food

8.8

Crew

9.3

Comfort

9.0

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
EVA Air
8.4
Very good
1,202 reviews
STARLUX Airlines
9.1
Wonderful
178 reviews

Entertainment

8.9

Overall

9.1

Boarding

9.0

Food

8.8

Crew

9.3

Comfort

9.0

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
Korean Air
8.4
Very good
1,088 reviews
STARLUX Airlines
9.1
Wonderful
178 reviews

Entertainment

8.9

Overall

9.1

Boarding

9.0

Food

8.8

Crew

9.3

Comfort

9.0

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
Japan Airlines
8.3
Very good
1,490 reviews
STARLUX Airlines
9.1
Wonderful
178 reviews

Entertainment

8.9

Overall

9.1

Boarding

9.0

Food

8.8

Crew

9.3

Comfort

9.0

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
China Airlines
8.3
Very good
738 reviews
STARLUX Airlines
9.1
Wonderful
178 reviews

Entertainment

8.9

Overall

9.1

Boarding

9.0

Food

8.8

Crew

9.3

Comfort

9.0

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.

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.

  • 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 $671. Other airlines that can offer you cheap pricing are Alaska Airlines, from $789, and Hawaiian Airlines, from $803. Air Canada is 35% 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 $375 on Air Canada. Other airlines that offer cheap prices include Korean Air from $460 and Japan Airlines from $819 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 $888). Flying from San Diego to Osaka in June is currently the most expensive (average of $1,324). 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 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$735Average$901FlexibilityNo cancel feeOn-time67%
Hawaiian AirlinesCheapest$786Average$1,055FlexibilityNo cancel feeOn-time85%
ANACheapest$825Average$1,163FlexibilityNo cancel feeOn-time80%
United AirlinesCheapest$830Average$1,338FlexibilityNo cancel feeOn-time69%
Japan AirlinesCheapest$876Average$1,063FlexibilityNo cancel feeOn-time79%

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