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$415+ Cheap flights from Kansai Intl (KIX) to San Francisco (SFO)

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 2/1. Fares are subject to change and may not be available on all flights or dates of travel.
KIX — SFO
feb. 14 — feb. 211
sáb. 2/14
sáb. 2/21
1 adult, Economy
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Cheap flight deals from Kansai Intl to San Francisco

Discover tips and strategies to find the most affordable flight options for your journey from Kansai Intl (KIX) to San Francisco (SFO). 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 enero 15, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$635
(Kiwi.com)

One-way from

$415
(Kiwi.com)

Popular in

February

Cheapest in

January

Average price

$834

Good round-trip deal

$822 or less

Good one-way deal

$520 or less
Provider with most accurate pricing for Osaka Kansai Intl-San Francisco flight deals.
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Provider most trusted by Cheapflights users for Osaka Kansai Intl-San Francisco flights.
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From Osaka Kansai Intl to San Francisco
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One-way flight from Osaka Kansai Intl to San Francisco
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Highest demand for flights based on searches. 6% potential increase in price ($81 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($74 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Price to beat on a round-trip flight from Osaka Kansai Intl to San Francisco.
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Price to beat on a one-way flight from Osaka Kansai Intl to San Francisco.
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Find flight deals from Kansai Intl to San Francisco

Cheapest flights from Kansai Intl to San Francisco
Explore the most affordable flight options available from Kansai Intl to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on enero 15, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/13. 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.
jue. 2/510:40 am
KIX
-
SFO
1 stop20h 00m
Multiple Airlines
mar. 2/243:40 pm
SFO
-
KIX
1 stop24h 05m
Multiple Airlines
Deal found 1/13$635
This Kiwi.com deal was found by Cheapflights users on 1/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 1/209:10 pm
KIX
-
SFO
2 stops53h 20m
Multiple Airlines
mar. 1/273:40 pm
SFO
-
KIX
1 stop24h 05m
Multiple Airlines
Deal found 1/15$725
This Kiwi.com deal was found by Cheapflights users on 1/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 1/219:10 pm
KIX
-
SFO
1 stop33h 30m
Multiple Airlines
mar. 1/273:40 pm
SFO
-
KIX
1 stop24h 05m
Multiple Airlines
Deal found 1/15$733
This Trip.com deal was found by Cheapflights users on 1/14. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 3/37:50 am
KIX
-
SFO
1 stop22h 50m
Multiple Airlines
mié. 3/2512:25 pm
SFO
-
KIX
1 stop25h 55m
Multiple Airlines
Deal found 1/14$746
This Kiwi.com deal was found by Cheapflights users on 1/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 2/1210:40 am
KIX
-
SFO
1 stop20h 00m
Multiple Airlines
jue. 2/1910:15 am
SFO
-
KIX
2 stops53h 30m
Multiple Airlines
Deal found 1/15$747
This Kiwi.com deal was found by Cheapflights users on 1/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 1/209:10 pm
KIX
-
SFO
2 stops53h 20m
Multiple Airlines
mié. 1/283:40 pm
SFO
-
KIX
1 stop24h 05m
Multiple Airlines
Deal found 1/15$760
This Kiwi.com deal was found by Cheapflights users on 1/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 1/219:10 pm
KIX
-
SFO
1 stop33h 30m
Multiple Airlines
lun. 1/263:40 pm
SFO
-
KIX
1 stop24h 05m
Multiple Airlines
Deal found 1/15$768
This Kiwi.com deal was found by Cheapflights users on 1/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 2/1210:40 am
KIX
-
SFO
1 stop20h 00m
Multiple Airlines
dom. 2/156:30 am
SFO
-
KIX
2 stops42h 35m
Multiple Airlines
Deal found 1/15$771
This Kiwi.com deal was found by Cheapflights users on 1/13. 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.
mar. 3/178:00 am
KIX
-
SFO
1 stop22h 40m
Multiple Airlines
dom. 3/2211:30 pm
SFO
-
KIX
2 stops41h 45m
Multiple Airlines
Deal found 1/13$782

Cheapflights Fare Finder

 
Customize your flight search to find flights from Kansai Intl to San Francisco 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 enero 15, 2026.
Use the filters below to find and compare flights from Osaka Kansai Intl Airport to San Francisco that are best for you.

Fly from

Kansai Intl

Fly to

San Francisco

Route

Depart

Return

Price

OsakaSan Francisco

KIX - SFO

KIXSFO

Osaka Kansai Intl

mar. 3/17

8:00 am-2:40 pm

1 stop22h 40m

San Francisco

dom. 3/22

11:30 pm-9:15 am

2 stops41h 45m

$782

OsakaSan Francisco

KIX - SFO

KIXSFO

Osaka Kansai Intl

mar. 3/3

10:30 am-2:00 pm

1 stop20h 30m

San Francisco

mié. 3/18

11:50 pm-8:50 am

1 stop17h 00m

$818

OsakaSan Francisco

KIX - SFO

KIXSFO

Osaka Kansai Intl

vie. 3/13

8:00 am-2:40 pm

1 stop22h 40m

San Francisco

jue. 3/19

10:45 pm-2:55 pm

2 stops24h 10m

$818

OsakaSan Francisco

KIX - SFO

KIXSFO

Osaka Kansai Intl

mar. 3/3

8:25 pm-1:40 pm

1 stop34h 15m

San Francisco

mié. 3/25

8:09 pm-5:00 pm

2 stops52h 51m

$823

OsakaSan Francisco

KIX - SFO

KIXSFO

Osaka Kansai Intl

mar. 3/17

8:00 am-2:40 pm

1 stop22h 40m

San Francisco

vie. 3/20

3:30 pm-9:15 am

1 stop25h 45m

$829

OsakaSan Francisco

KIX - SFO

KIXSFO

Osaka Kansai Intl

sáb. 3/14

10:30 am-3:00 pm

1 stop20h 30m

San Francisco

lun. 3/23

11:50 pm-8:55 pm

1 stop29h 05m

$833

OsakaSan Francisco

KIX - SFO

KIXSFO

Osaka Kansai Intl

lun. 3/16

7:25 pm-3:00 pm

1 stop35h 35m

San Francisco

lun. 3/23

11:50 pm-6:05 pm

1 stop26h 15m

$833

OsakaSan Francisco

KIX - SFO

KIXSFO

Osaka Kansai Intl

lun. 3/16

10:30 am-3:00 pm

1 stop20h 30m

San Francisco

dom. 3/22

11:50 pm-8:55 pm

1 stop29h 05m

$833

OsakaSan Francisco

KIX - SFO

KIXSFO

Osaka Kansai Intl

sáb. 3/14

7:25 pm-3:00 pm

1 stop35h 35m

San Francisco

dom. 3/22

11:50 pm-8:50 am

1 stop17h 00m

$833

OsakaSan Francisco

KIX - SFO

KIXSFO

Osaka Kansai Intl

mié. 4/8

7:05 pm-7:55 pm

1 stop16h 50m

San Francisco

lun. 4/20

1:05 am-12:50 pm

1 stop19h 45m

$850

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/15

Showing 1-10 of 21 results
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Compare providers for flights from Kansai Intl to San Francisco

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 Kansai Intl to San Francisco in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 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 Osaka Kansai Intl Airport-San Francisco flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Osaka Kansai Intl Airport-San Francisco flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Osaka Kansai Intl Airport-San Francisco flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Osaka Kansai Intl Airport-San Francisco flights, Cheapflights users trust eDreams the most. eDreams 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 Osaka Kansai Intl Airport-San Francisco 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 Kansai Intl to San Francisco

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

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

Currently, October is the cheapest month in which you can book a flight from Osaka Kansai Intl Airport to San Francisco (average of $731). Flying from Osaka Kansai Intl Airport to San Francisco in February is currently the most expensive (average of $1,214). 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 KIX to SFO?

Find hourly flight availability from Kansai Intl to San Francisco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated enero 15, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Osaka Kansai Intl Airport to San Francisco as you normally would.

Reviews of airlines servicing San Francisco

Get insights into the airlines that provide service to San Francisco. 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 San Francisco. Reviews last updated enero 15, 2026.
Get a feel of what it's like to fly with United Airlines from Osaka Kansai Intl Airport to San Francisco by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,164 reviews

Boarding

7.7

Food

6.6

Comfort

7.3

Overall

7.4

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
United Airlines
7.4
Good
9,164 reviews
United Airlines
7.4
Good
9,164 reviews

Boarding

7.7

Food

6.6

Comfort

7.3

Overall

7.4

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

Related info for your journey

Find useful and relevant information for your journey from Kansai Intl to San Francisco. 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 into for flights to San Francisco from Osaka Kansai Intl?

    For a flight from Osaka Kansai Intl to San Francisco, you will be flying into San Francisco. San Francisco (SFO) is just 11.8 mi from the center of the city. San Francisco is the only San Francisco airport and it handles 2 inbound flights from Osaka Kansai Intl per day. 1 airline has flights to San Francisco from Osaka Kansai Intl on a regular basis.

  • How long is the flight from Osaka Kansai Intl Airport to San Francisco?

    Airlines like Asiana Airlines fly from Osaka Kansai Intl Airport to San Francisco in about 20h 30m. The time it takes to get you to your destination can typically vary by up to . Osaka Kansai Intl Airport and San Francisco are separated by a distance of 5397 mi.

  • What is the cheapest airline to fly from Osaka Kansai Intl Airport to San Francisco round-trip?

    United Airlines, at $1,457, was found to be the cheapest airline from Osaka Kansai Intl Airport to San Francisco..

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

    To fly one-way, consider booking your trip with China Airlines, which is currently one of the cheapest options available, starting at $365. Hawaiian Airlines flights start at $427 while deals on Cathay Pacific start at $496 one-way.

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

    Looking at all options, your cheapest flight can be booked for $443. While the most popular route (Osaka Kansai Intl - San Francisco) can be booked for $635 on average, our data indicates $901 when flying from Osaka Kansai Intl Airport to San Francisco.

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from Osaka Kansai Intl Airport to San Francisco (average of $731). Flying from Osaka Kansai Intl Airport to San Francisco in February is currently the most expensive (average of $1,214). 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?

Book flights to San Francisco if you plan to visit one of these locations
Roseville
South San Francisco
Santa Cruz
Santa Clara
Livermore
Watsonville
San Bruno
Daly City
Sunnyvale
Turlock
San Carlos
San Ramon
Manteca
Vallejo
San Lorenzo
Hollister
Redwood City
Union City
Elk Grove
Foster City

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Kansai Intl to San Francisco

Discover the top airline that operate flights from Kansai Intl to San Francisco. 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 enero 15, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,457Average$1,774FlexibilityNo cancel feeOn-time69%

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