$515 Cheap Flights from Komatsu (KMQ) to San Francisco (SFO)

View $515 flight on Mon, Dec 1, 2025Opens in a new window

Popular airlines from Komatsu Airport (KMQ) to San Francisco Intl. Airport (SFO)

Cheap Flights from Komatsu to San Francisco (KMQ-SFO)

Prices were available within the past 7 days and start at $515 for one-way flights and $849 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

EVA Airways
Fri, Sep 5 - Sun, Sep 7
KMQ
Komatsu
SFO
San Francisco
$849 Roundtrip, found 3 days ago
$849
Roundtrip
found 3 days ago
Select EVA Airways flight, departing Fri, Sep 5 from Komatsu to San Francisco, returning Sun, Sep 7, priced at $849 found 3 days ago
EVA Airways
Fri, Sep 5 - Sun, Sep 7
KMQ
Komatsu
SFO
San Francisco
$992 Roundtrip, found 3 days ago
$992
Roundtrip
found 3 days ago
Select EVA Airways flight, departing Fri, Sep 5 from Komatsu to San Francisco, returning Sun, Sep 7, priced at $992 found 3 days ago
EVA Airways
Fri, Sep 5 - Sun, Sep 7
KMQ
Komatsu
SFO
San Francisco
$1,003 Roundtrip, found 3 days ago
$1,003
Roundtrip
found 3 days ago
Select EVA Airways flight, departing Fri, Sep 5 from Komatsu to San Francisco, returning Sun, Sep 7, priced at $1,003 found 3 days ago
EVA Airways
Fri, Sep 5 - Sun, Sep 7
KMQ
Komatsu
SFO
San Francisco
$1,042 Roundtrip, found 3 days ago
$1,042
Roundtrip
found 3 days ago
Select EVA Airways flight, departing Fri, Sep 5 from Komatsu to San Francisco, returning Sun, Sep 7, priced at $1,042 found 3 days ago
EVA Airways
Fri, Sep 5 - Sun, Sep 7
KMQ
Komatsu
SFO
San Francisco
$1,052 Roundtrip, found 3 days ago
$1,052
Roundtrip
found 3 days ago
Select EVA Airways flight, departing Fri, Sep 5 from Komatsu to San Francisco, returning Sun, Sep 7, priced at $1,052 found 3 days ago
Japan Airlines
Fri, Sep 5 - Sun, Sep 7
KMQ
Komatsu
SFO
San Francisco
$1,074 Roundtrip, found 3 days ago
$1,074
Roundtrip
found 3 days ago
Select Japan Airlines flight, departing Fri, Sep 5 from Komatsu to San Francisco, returning Sun, Sep 7, priced at $1,074 found 3 days ago
EVA Airways
Sat, Sep 13 - Wed, Sep 17
KMQ
Komatsu
SFO
San Francisco
$1,080 Roundtrip, found 3 days ago
$1,080
Roundtrip
found 3 days ago
Select EVA Airways flight, departing Sat, Sep 13 from Komatsu to San Francisco, returning Wed, Sep 17, priced at $1,080 found 3 days ago
Japan Airlines
Fri, Sep 5 - Sun, Sep 7
KMQ
Komatsu
SFO
San Francisco
$1,097 Roundtrip, found 3 days ago
$1,097
Roundtrip
found 3 days ago
Select Japan Airlines flight, departing Fri, Sep 5 from Komatsu to San Francisco, returning Sun, Sep 7, priced at $1,097 found 3 days ago
Cathay Pacific
Sat, Sep 13 - Wed, Sep 17
KMQ
Komatsu
SFO
San Francisco
$1,409 Roundtrip, found 3 days ago
$1,409
Roundtrip
found 3 days ago
Select Cathay Pacific flight, departing Sat, Sep 13 from Komatsu to San Francisco, returning Wed, Sep 17, priced at $1,409 found 3 days ago
All Nippon Airways
Fri, Sep 5 - Sun, Sep 7
KMQ
Komatsu
SFO
San Francisco
$1,865 Roundtrip, found 3 days ago
$1,865
Roundtrip
found 3 days ago
Select All Nippon Airways flight, departing Fri, Sep 5 from Komatsu to San Francisco, returning Sun, Sep 7, priced at $1,865 found 3 days ago
Flights from Komatsu (KMQ) to San Francisco (SFO)
Origin airport
Komatsu
Destination airport
San Francisco Intl.
Roundtrip price
$849
Distance
5265 mi

Komatsu to San Francisco Flights

The cheapest times to fly from Komatsu to San Francisco

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Komatsu to San Francisco are during the month of September. You can find some of the cheapest flights from Komatsu to San Francisco with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Komatsu to San Francisco

Sunday is one of the best days to book for cheap flights from Komatsu to San Francisco: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Komatsu to San Francisco

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Komatsu to San Francisco in 2025. You can also book with separate airlines for your outbound and return journeys, from $515 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Komatsu to San Francisco flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Komatsu to San Francisco airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Komatsu Airport (KMQ) to San Francisco Intl. Airport (SFO) cost?
Grab a cheap one-way flight from $515 or cheap return flight from $849 from Komatsu Airport (KMQ) to San Francisco Intl. Airport (SFO) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Komatsu Airport (KMQ) to San Francisco Intl. Airport (SFO)?
Planning your trip for September is a good way to save, as it's the cheapest month for flights between KMQ and SFO. You'll often find the lowest fares during the off-season.
What is the cheapest airline that flies from Komatsu Airport (KMQ) to San Francisco Intl. Airport (SFO)?
To find the cheapest airline flying from KMQ to SFO, use Expedia's filter tool. Tailor your search based on your travel needs, such as preferred carriers and ideal departure window. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Komatsu Airport (KMQ) to San Francisco Intl. Airport (SFO)?
There aren't any daily direct flights departing from Komatsu Airport (KMQ) to San Francisco Intl. Airport (SFO). But you can book flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be on your way before you know it.
What day of the week has the most flights from KMQ to SFO?
Generally you'll find the widest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* However, this can vary depending on the time of year, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Komatsu Airport (KMQ) to San Francisco Intl. Airport (SFO)?
To avoid potential delays on the Komatsu Airport (KMQ) to San Francisco Intl. Airport (SFO) route, travel before 3 PM. Departures after this time are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Komatsu Airport (KMQ) to San Francisco Intl. Airport (SFO) last-minute?
Last-minute fares from KMQ to SFO are generally more expensive. To secure the lowest rates, start searching for flights early. That said, if you can play around with your travel dates, it's possible to land a cheap ticket right before your journey.
Is it cheaper to book a KMQ to SFO flight and hotel package?
Securing a KMQ to SFO flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Choose from our extensive range of accommodations and then add flights, car rentals and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Komatsu Airport (KMQ) to San Francisco Intl. Airport (SFO)?
Typically, you can cancel or modify your KMQ to SFO flight. However, additional fees may apply, especially if your booking was made over 24 hours ago. Double-check your itinerary for the airline's fees and guidelines on flight changes, or if you want further details, head to our Customer Service portal.

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*Available to One Key members.