HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
San Francisco

$306+ 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 2/9. Fares are subject to change and may not be available on all flights or dates of travel.
KIX — SFO
Feb 1 — Feb 81
Sun 2/1
Sun 2/8
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Kansai Intl to San Francisco with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Kansai Intl to San Francisco

Best flights from Kansai Intl to San Francisco
Discover carefully curated flight deals from Kansai Intl to San Francisco that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated January 2, 2026.

This Trip.com deal was found by Cheapflights users on 12/31. 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.
Fri 2/610:40 amKIX - SFO
1 stop20h 00mMultiple Airlines
Tue 2/243:40 pmSFO - KIX
1 stop24h 05mMultiple Airlines
Deal found 12/31$615
This FlightHub deal was found by Cheapflights users on 1/1. 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.
Sat 2/149:00 amKIX - SFO
1 stop22h 00mAsiana Airlines
Sun 2/2211:50 pmSFO - KIX
1 stop16h 00mAsiana Airlines
Deal found 1/1$813
This Trip.com deal was found by Cheapflights users on 12/31. 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 3/108:00 amKIX - SFO
1 stop22h 40mMultiple Airlines
Tue 3/174:40 pmSFO - KIX
1 stop24h 05mMultiple Airlines
Deal found 12/31$643
This Alaska Airlines deal was found by Cheapflights users on 12/30. 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 1/208:45 pmKIX - SFO
2 stops29h 02mMultiple Airlines
Tue 2/37:08 pmSFO - KIX
2 stops30h 37mMultiple Airlines
Deal found 12/30$726
This Asiana Airlines deal was found by Cheapflights users on 12/31. 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.
Sun 2/19:00 amKIX - SFO
1 stop22h 00mAsiana Airlines
Wed 2/411:50 pmSFO - KIX
1 stop16h 00mAsiana Airlines
Deal found 12/31$844
This Asiana Airlines deal was found by Cheapflights users on 12/31. 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.
Tue 2/310:30 amKIX - SFO
1 stop20h 30mAsiana Airlines
Wed 2/411:50 pmSFO - KIX
1 stop25h 15mAsiana Airlines
Deal found 12/31$844
This Kiwi.com deal was found by Cheapflights users on 12/31. 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 2/1310:40 amKIX - SFO
2 stops37h 51mMultiple Airlines
Thu 2/193:40 pmSFO - KIX
1 stop24h 05mMultiple Airlines
Deal found 12/31$818
This Asiana Airlines deal was found by Cheapflights users on 12/31. 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.
Tue 1/2710:30 amKIX - SFO
1 stop20h 30mAsiana Airlines
Wed 1/2811:50 pmSFO - KIX
1 stop16h 00mAsiana Airlines
Deal found 12/31$844
This Asiana Airlines deal was found by Cheapflights users on 1/1. 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.
Fri 2/137:25 pmKIX - SFO
1 stop35h 35mAsiana Airlines
Sun 2/2211:50 pmSFO - KIX
1 stop28h 05mAsiana Airlines
Deal found 1/1$844
This Asiana Airlines deal was found by Cheapflights users on 12/31. 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.
Mon 2/29:00 amKIX - SFO
1 stop22h 00mAsiana Airlines
Wed 2/411:50 pmSFO - KIX
1 stop25h 15mAsiana Airlines
Deal found 12/31$844
This FlightHub deal was found by Cheapflights users on 1/1. 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.
Sat 2/1410:30 amKIX - SFO
1 stop20h 30mAsiana Airlines
Sat 2/2111:50 pmSFO - KIX
1 stop16h 00mAsiana Airlines
Deal found 1/1$847

Find 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 January 2, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$615
(Trip.com)

One-way from

$306
(Trip.com)

Popular in

July

Cheapest in

January

Average price

$834

Good round-trip deal

$1,005 or less

Good one-way deal

$577 or less
Provider with most accurate pricing for Osaka Kansai Intl-San Francisco flight deals.
Search Deals
Provider most trusted by Cheapflights users for Osaka Kansai Intl-San Francisco flights.
Search Deals
From Osaka Kansai Intl to San Francisco
Search Deals
One-way flight from Osaka Kansai Intl to San Francisco
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($161 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($56 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals
Price to beat on a round-trip flight from Osaka Kansai Intl to San Francisco.
Search Deals
Price to beat on a one-way flight from Osaka Kansai Intl to San Francisco.
Search Deals

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 January 2, 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

Fri 2/6

10:40 am-1:40 pm

1 stop20h 00m

San Francisco

Tue 2/24

3:40 pm-8:45 am

1 stop24h 05m

$615

OsakaSan Francisco

KIX - SFO

KIXSFO

Osaka Kansai Intl

Tue 3/10

8:00 am-2:40 pm

1 stop22h 40m

San Francisco

Tue 3/17

4:40 pm-8:45 am

1 stop24h 05m

$643

OsakaSan Francisco

KIX - SFO

KIXSFO

Osaka Kansai Intl

Tue 1/20

8:45 pm-8:47 am

2 stops29h 02m

San Francisco

Tue 2/3

7:08 pm-6:45 pm

2 stops30h 37m

$726

OsakaSan Francisco

KIX - SFO

KIXSFO

Osaka Kansai Intl

Sat 2/14

9:00 am-2:00 pm

1 stop22h 00m

San Francisco

Sun 2/22

11:50 pm-8:50 am

1 stop16h 00m

$813

OsakaSan Francisco

KIX - SFO

KIXSFO

Osaka Kansai Intl

Fri 2/13

10:40 am-7:31 am

2 stops37h 51m

San Francisco

Thu 2/19

3:40 pm-8:45 am

1 stop24h 05m

$818

OsakaSan Francisco

KIX - SFO

KIXSFO

Osaka Kansai Intl

Sun 2/1

9:00 am-2:00 pm

1 stop22h 00m

San Francisco

Wed 2/4

11:50 pm-8:50 am

1 stop16h 00m

$844

OsakaSan Francisco

KIX - SFO

KIXSFO

Osaka Kansai Intl

Tue 2/3

10:30 am-2:00 pm

1 stop20h 30m

San Francisco

Wed 2/4

11:50 pm-6:05 pm

1 stop25h 15m

$844

OsakaSan Francisco

KIX - SFO

KIXSFO

Osaka Kansai Intl

Tue 1/27

10:30 am-2:00 pm

1 stop20h 30m

San Francisco

Wed 1/28

11:50 pm-8:50 am

1 stop16h 00m

$844

OsakaSan Francisco

KIX - SFO

KIXSFO

Osaka Kansai Intl

Fri 2/13

7:25 pm-2:00 pm

1 stop35h 35m

San Francisco

Sun 2/22

11:50 pm-8:55 pm

1 stop28h 05m

$844

OsakaSan Francisco

KIX - SFO

KIXSFO

Osaka Kansai Intl

Mon 2/2

9:00 am-2:00 pm

1 stop22h 00m

San Francisco

Wed 2/4

11:50 pm-6:05 pm

1 stop25h 15m

$844

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/1

Showing 1-10 of 20 results
1
2

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 November is currently the most expensive (average of $1,022). 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 January 2, 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 January 2, 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
9,132 reviews

Entertainment

7.1

Comfort

7.3

Crew

8.1

Food

6.6

Boarding

7.7

Overall

7.4

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
9,132 reviews
United Airlines
7.4
Good
9,132 reviews

Entertainment

7.1

Comfort

7.3

Crew

8.1

Food

6.6

Boarding

7.7

Overall

7.4

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 22h. 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 Air Canada start at $461 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 $494. While the most popular route (Osaka Kansai Intl - San Francisco) can be booked for $643 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 November is currently the most expensive (average of $1,022). 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
Livermore
Santa Clara
Watsonville
Redwood City
Sunnyvale
San Bruno
Daly City
Manteca
Turlock
San Carlos
Vallejo
Hollister
San Ramon
Foster City
Union City
Davis
Emeryville

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 January 2, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,457Average$1,774FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.