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$349+ Cheap flights from San Francisco (SFO) 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 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — 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 Francisco to Osaka are usually found in February or January, booked 8 days in advance, depart on a Monday or Sunday and return on a Wednesday

Cheap flight deals from San Francisco to Osaka

Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) 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

$708
(Trip.com)

One-way from

$349
(Trip.com)

Popular in

December

Cheapest in

February

Average price

$1,533

Good round-trip deal

$1,778 or less

Good one-way deal

$577 or less
From San Francisco to Osaka (OSA)
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One-way flight from San Francisco to Osaka (OSA)
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Highest demand for flights based on searches. 7% potential increase in price ($87 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($64 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Price to beat on a round-trip flight from San Francisco to Osaka (OSA).
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Price to beat on a one-way flight from San Francisco to Osaka (OSA).
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Find flight deals from San Francisco to Osaka

Cheapest flights from San Francisco to Osaka
Explore the most affordable flight options available from San Francisco to Osaka. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/265:20 pmSFO - UKB
1 stop23h 15mMultiple Airlines
Wed 9/31:00 pmUKB - SFO
1 stop18h 20mMultiple Airlines
Deal found 6/10$708
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/511:40 amSFO - UKB
1 stop36h 50mKorean Air
Thu 11/136:30 pmUKB - SFO
1 stop32h 00mKorean Air
Deal found 6/11$765
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1211:05 amSFO - KIX
1 stop35h 55mAir China
Tue 12/25:10 pmKIX - SFO
1 stop33h 40mAir China
Deal found 6/12$812
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1811:25 pmSFO - KIX
1 stop26h 45mPhilippine Airlines
Mon 12/19:55 amKIX - SFO
1 stop27h 20mPhilippine Airlines
Deal found 6/12$813
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.
Wed 9/311:59 pmSFO - KIX
2 stops48h 26mMultiple Airlines
Tue 9/166:05 pmKIX - SFO
2 stops34h 18mMultiple Airlines
Deal found 6/11$815
This KAYAK 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2212:00 pmSFO - KIX
1 stop32h 20mChina Eastern
Sat 11/299:30 amKIX - SFO
1 stop16h 30mChina Eastern
Deal found 6/11$817
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/34:35 pmSFO - KIX
1 stop31h 50mAir Canada
Thu 7/106:05 pmKIX - SFO
2 stops34h 15mAir Canada
Deal found 6/11$819
This Korean Air 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/2511:40 amSFO - KIX
1 stop32h 10mKorean Air
Thu 12/49:15 amKIX - SFO
2 stops39h 41mKorean Air
Deal found 6/11$823
This Asiana Airlines 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 Asiana Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2611:30 pmSFO - KIX
1 stop26h 55mAsiana Airlines
Tue 12/28:25 pmKIX - SFO
1 stop35h 35mAsiana Airlines
Deal found 6/11$826
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.
Wed 9/37:10 amSFO - ITM
2 stops19h 45mAir Canada
Wed 9/172:05 pmITM - SFO
2 stops17h 23mAir Canada
Deal found 6/11$828
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/251:05 amSFO - KIX
1 stop25h 05mCathay Pacific
Wed 9/35:45 pmKIX - SFO
1 stop21h 10mCathay Pacific
Deal found 6/10$839
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/141:05 amSFO - KIX
1 stop25h 00mChina Airlines
Wed 10/221:10 pmKIX - SFO
1 stop22h 45mChina Airlines
Deal found 6/12$845

Cheapflights Fare Finder

Customize your flight search to find flights from San Francisco 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 Francisco to Osaka that are best for you.

Fly from

San Francisco

Fly to

Osaka

Route

Depart

Return

Price

San FranciscoKobe

SFO - UKB

SFOUKB

San Francisco

Tue 8/26

5:20 pm-8:35 am

1 stop23h 15m

Kobe

Wed 9/3

1:00 pm-3:20 pm

1 stop18h 20m

$708

San FranciscoKobe

SFO - UKB

SFOUKB

San Francisco

Mon 9/8

12:50 pm-5:30 pm

1 stop36h 40m

Kobe

Mon 9/15

6:30 pm-10:40 am

1 stop32h 10m

$767

San FranciscoOsaka

SFO - KIX

SFOKIX

San Francisco

Wed 9/3

11:59 pm-4:25 pm

2 stops48h 26m

Osaka Kansai Intl

Tue 9/16

6:05 pm-12:23 pm

2 stops34h 18m

$815

San FranciscoOsaka

SFO - KIX

SFOKIX

San Francisco

Thu 7/3

11:35 am-4:25 pm

1 stop36h 50m

Osaka Kansai Intl

Thu 7/10

6:05 pm-11:13 pm

1 stop21h 08m

$819

San FranciscoOsaka

SFO - ITM

SFOITM

San Francisco

Wed 9/3

7:10 am-6:55 pm

2 stops19h 45m

Osaka Itami

Wed 9/17

2:05 pm-3:28 pm

2 stops17h 23m

$828

San FranciscoOsaka

SFO - KIX

SFOKIX

San Francisco

Sun 8/24

6:58 pm-11:20 am

2 stops24h 22m

Osaka Kansai Intl

Mon 9/1

6:20 pm-10:40 am

1 stop32h 20m

$835

San FranciscoOsaka

SFO - KIX

SFOKIX

San Francisco

Mon 8/25

1:05 am-6:10 pm

1 stop25h 05m

Osaka Kansai Intl

Wed 9/3

5:45 pm-10:55 pm

1 stop21h 10m

$839

San FranciscoOsaka

SFO - ITM

SFOITM

San Francisco

Wed 9/3

5:20 pm-7:45 pm

1 stop34h 25m

Osaka Itami

Tue 9/16

2:35 pm-3:20 pm

1 stop16h 45m

$851

San FranciscoOsaka

SFO - KIX

SFOKIX

San Francisco

Fri 8/8

11:30 pm-9:05 pm

1 stop29h 35m

Osaka Kansai Intl

Thu 8/21

9:10 am-4:00 pm

1 stop22h 50m

$854

San FranciscoOsaka

SFO - KIX

SFOKIX

San Francisco

Wed 7/23

9:35 am-9:00 pm

2 stops19h 25m

Osaka Kansai Intl

Thu 8/28

9:05 am-10:51 pm

2 stops29h 46m

$867

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 45 results
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Best time to book a flight from San Francisco to Osaka

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

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

Use this chart to determine the optimal time to book a round-trip flight from San Francisco to Osaka. Price data was last updated on June 9, 2025.

The price you pay for your flight from San Francisco to Osaka may vary depending on when you book. For the best chance of a lower fare, look to book 8 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from San Francisco to Osaka?

Currently, February is the cheapest month in which you can book a flight from San Francisco to Osaka (average of $888). Flying from San Francisco 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 SFO to OSA?

Find hourly flight availability from San Francisco 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.

A simple way to save on the total cost of your ticket is to fly from San Francisco to Osaka in the evening. If you’re flexible enough to do this you can expect to save up to 40% on your trip compared to booking a flight in the morning.

Weekly flight availability from San Francisco to Osaka

Explore weekly flight availability from San Francisco to Osaka. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated June 12, 2025.

The most flights from SFO to OSA are scheduled on a Monday (2 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 on average).

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.
Get a feel of what it's like to fly with STARLUX Airlines, EVA Air and Korean Air from San Francisco to Osaka by reading reviews from past customers. 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 Francisco 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 Francisco to Osaka?

    San Francisco (SFO) is the airport you will fly out of if you book a flight from San Francisco to Osaka. You should not have trouble finding flights to Osaka from San Francisco; the airport handles an average of 2 outbound flights to Osaka per day. You should also have plenty of airline options to choose from since 13 airlines have flights from the San Francisco airport to Osaka. It is only a 11.8 mi journey to San Francisco (SFO) from San Francisco’s city center.

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

    Our cheapest airline available from San Francisco to Osaka is Korean Air. Our recent data shows that you can find tickets from as low as $765 on this airline. Additional options worth looking into are Air China and Philippine Airlines, starting at $812 and $813 round-trip. Users have found that Korean Air is 34% cheaper than the other options available to this destination.

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

    One-way options have recently been found by users for as low as $413 on Delta. Other airlines that offer cheap prices include Air Canada from $420 and ANA from $459 one-way.

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

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

  • What are the cheapest flights from San Francisco to Osaka?

    On average you can expect to pay $1,501 for a flight from San Francisco to Osaka. The cheapest flight overall is $425 while the most popular route, (San Francisco - Osaka Kansai Intl) is currently priced at $691.

  • Where are the most common layover locations when flying from San Francisco to Osaka?

    San Francisco to Osaka flights have a layover in Seoul most of the time. Tokyo sees the second most layovers for non-direct flights flying from San Francisco to Osaka.

  • What are some popular things to do or see while on a layover in Seoul?

    The majority of Seoul visitors spend their time at Dongdaemun Market, Bukchon Hanok Village, and Lotte World. Dongdaemun Market, Bukchon Hanok Village, and Lotte World are located about 31.6 mi, 30.6 mi, and 35.7 mi, respectively from Incheon Intl. Those on a layover in Seoul in need of a rental car can book one at Incheon Intl for about $54.

  • What are some popular points of interest to see during a layover in Tokyo?

    The majority of Tokyo visitors spend their time at Akihabara Electric Town, Ueno Koen, and Tsukiji Outer Market. Travelers on a layover in Tokyo can visit Akihabara Electric Town, Ueno Koen, and Tsukiji Outer Market, by traveling 10.3 mi, 11.5 mi, and 7.9 mi, respectively after landing at Tokyo Haneda. Those on a layover in Tokyo in need of a rental car can book one at Tokyo Haneda for about $67.

  • Where are the least popular layover locations for San Francisco to Osaka flights?

    San Francisco to Osaka flights have a layover in Vancouver least often. Taipei City sees the next fewest layovers on San Francisco to Osaka flights.

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from San Francisco to Osaka (average of $888). Flying from San Francisco 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 Francisco?

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Top 10 airlines flying from San Francisco to Osaka

Discover the top 10 airlines that operate flights from San Francisco 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
ANACheapest$147Average$1,656FlexibilityNo cancel feeOn-time80%
Hawaiian AirlinesCheapest$616Average$1,082FlexibilityNo cancel feeOn-time85%
China EasternCheapest$654Average$752FlexibilityNo cancel feeOn-time62%
Philippine AirlinesCheapest$687Average$743FlexibilityNo cancel feeOn-time60%
Japan AirlinesCheapest$750Average$1,032FlexibilityNo cancel feeOn-time79%
Asiana AirlinesCheapest$766Average$897FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$775Average$900FlexibilityNo cancel feeOn-time71%
Cathay PacificCheapest$803Average$894FlexibilityNo cancel feeOn-time72%
Air CanadaCheapest$844Average$1,071FlexibilityNo cancel feeOn-time67%
STARLUX AirlinesCheapest$875Average$1,091FlexibilityNo cancel feeOn-timeN/A

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