Cheap Flights from Kansai International (Osaka) to San Francisco International

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Compare Kansai International (Osaka) to San Francisco International flight deals

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Flight deals from Kansai International (Osaka) to San Francisco International

Looking for a cheap last-minute deal or the best return flight from Kansai International (Osaka) to San Francisco International? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Kansai International (Osaka) to San Francisco International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Kansai International (Osaka) to San Francisco International flights are currently cheapest in June.

Direct flights from Kansai International (Osaka) to San Francisco International

Kansai International (Osaka) to San Francisco International: Alternative routes

Compare routes from Kansai International (Osaka) to San Francisco below. You may find an airport to fly into that's cheaper, faster, or easier than San Francisco International.

Osaka to San Francisco: Flight information

The things to know before you go.
Cheapest flight found648 €
Cheapest month to flyJune
Average flight time10 hrs, 3 mins
Most popular airlineUnited
Average flights per week16

Finding cheap flights from Kansai International (Osaka) to San Francisco International: Frequently asked questions

The best price we found for a return flight from Kansai International (Osaka) to San Francisco International is 648 €. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
10 hours and 3 minutes is the average flight time from Kansai International (Osaka) to San Francisco International.
United and ANA (All Nippon Airways) fly direct from Kansai International (Osaka) to San Francisco International.
As of May 2025, there are 16 flights per week flying from Kansai International (Osaka) to San Francisco International.
The cheapest month to fly from Kansai International (Osaka) to San Francisco International is usually May 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Kansai International (Osaka) Airport to San Francisco International Airport on Wednesday, 18 June 2025.
Yes – the average flight time is 10 hours and 3 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to San Francisco International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to San Francisco is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Jeju Air and United offer the cheapest flight tickets to San Francisco International.

Travelling from Kansai International Airport (KIX) to San Francisco International Airport (SFO): what you need to know

  • Around 10 hours 10 minutes is how long you can expect to be in the air on a direct flight from Kansai International Airport to San Francisco International Airport.

  • The timezone in San Francisco is UTC-7, which is 16 hours behind Osaka.

  • Flights from KIX to SFO start from 16:50 — the first with United Airlines. The last service of the day is at 18:30 with United Airlines. Overall, you can choose from ten weekly Kansai International Airport to San Francisco International Airport flights.

  • Your KIX to SFO flight won't wait if you're running late, so be at the airport on time. Arrive up to one hour in advance for domestic flights and two hours ahead when you're travelling internationally.

  • During popular months like June, you'll want to get to the airport well in advance. Arrive two hours before domestic departures and four hours ahead for an international flight when you fly during peak periods in general.

  • United Airlines is your gateway to discovering San Francisco (and perhaps some other great corners of United States!). Browse the direct flights from Kansai International Airport to San Francisco International Airport offered by this carrier.

  • United Airlines is the airline most travellers choose to fly with on this route.

  • United Airlines is the most punctual carrier that offers KIX to SFO flights, with 75.0% of its services arriving on schedule.

  • We make it easy to book a flight with a stopover. To see your options for tickets from Kansai International Airport to San Francisco International Airport, deselect 'Direct flights only.' Then, choose a flight that has a stop long enough to visit your chosen city. Some great stopovers between KIX and SFO include:

    • Hong Kong International Airport

    • Narita International Airport

    • Haneda Airport

How to find the cheapest flights from Kansai International Airport (KIX) to San Francisco International Airport (SFO)

  • The cheapest price we've seen for a one-way Kansai International Airport to San Francisco International Airport flight is 323 €. A return fare is currently 648 €. Depending on the availability and when you book, these fares can change.

  • Get cheap tickets from KIX to SFO by booking at least six months ahead. Based on our research, that's the sweet spot for picking up a bargain.

  • May is the cheapest month for flights from Kansai International Airport to San Francisco International Airport. If you'd like to fly during a different time of year, the 'Whole month' tool will show you the lowest airfares for every month.

  • Save time searching for cheap flights from KIX to SFO by creating a Price Alert. You'll receive an email or push notification on the app when a new discounted fare appears.

  • Secure the perfect flight for you by using the filters. To see the 'Fastest,' 'Cheapest' or 'Best' flights from Kansai International Airport to San Francisco International Airport, use the 'Sort by' tool. You can also filter results by departure and arrival times, airline, and journey duration.

Handy information about Kansai International Airport (KIX)

  • You'll find KIX at 1 Senshukukokita, Izumisano.

  • 67.95% of flights taking off from Kansai International Airport make it to their destination on schedule.

  • To reach Kansai International Airport from central Osaka, it takes about 45 minutes if you're planning to drive. This depends on traffic though. It's approximately 48 kilometres from the airport to the city centre.

  • Get your break off to a relaxed start by staying near KIX. Whether you're boarding an early flight from Kansai International Airport to San Francisco International Airport or just don't like being rushed, these hotels have you covered:

Arriving at San Francisco International Airport (SFO)

Getting from San Francisco International Airport (SFO) to central San Francisco

  • From San Francisco International Airport, San Francisco is approximately 21 kilometres away. It takes around 20 minutes to reach the centre driving.

  • Getting there on public transport typically takes 45 minutes.

When to fly to San Francisco International Airport (SFO)

  • August is the most popular month for flights from Kansai International Airport to San Francisco International Airport. To skip the crowds, head to San Francisco in February.

  • The warmest month in San Francisco is September, with temperatures ranging between 12ºC (54ºF) and 22ºC (72ºF). Lock in your flights from Kansai International Airport to San Francisco International Airport in this month if this is the type of weather you like.

  • For cooler conditions, look for a cheap ticket from KIX to SFO in January. Average temperatures are between 6ºC (43ºF) and 16ºC (61ºF) then.

Explore more of United States

  • You've visited San Francisco, now it's time to explore other corners of United States. Journey about 64 kilometres south-east to San Jose to tick off its top sights. From Winchester Mystery House to Rosicrucian Egyptian Museum and San Jose Museum of Art, you'll have a packed itinerary ahead.

  • Fresno is another well-known destination in United States and is around 257 kilometres south-east of San Francisco. No trip is complete without dropping by Forestiere Underground Gardens, Fresno Chaffee Zoo and Shinzen Japanese Garden.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.