$1,140 Find Cheap Flights from San Francisco to Kumamoto - Compare and Save

Two cabin classes are available on flights from San Francisco to Kumamoto:

• Economy Class
• Premium Economy Class

A nonstop flight from San Francisco to Kumamoto takes 00m, covering 5,662 miles.

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

Round-trip flights from San Francisco to Kumamoto range from $1,171 to $1,232, with an average of $1,193 over the past 12 months. Anything below $1,171 counts as a good deal.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $1,140 to $6,783. That means the highest observed fare was about 6x higher than the lowest one.

Kumamoto Airport (KMJ) hosts 5 major car rental companies, with daily rates averaging $61 for economy cars. Top options include:

• Budget
• Nissan Rent-A-Car
• Avis
• Nippon Rent-A-Car
• Hertz

Flights from San Francisco to Kumamoto usually depart from San Francisco (SFO) and arrive at Kumamoto (KMJ).

One-stop flights from San Francisco to Kumamoto most commonly connect through:

• Tokyo Haneda (HND) - 47% of one-stop connections
• Taipei City Taiwan Taoyuan Intl (TPE) - 47% of one-stop connections
• Tokyo Narita (NRT) - 7% of one-stop connections

Yes. Flexible dates can save you up to 30% on flights from San Francisco to Kumamoto. Wednesday is the cheapest departure day at $1,060 round-trip on average, while Sunday is the most expensive at $1,505, a difference of $445.

KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

Flying via Tokyo Haneda (HND) gives the shortest average 1-stop total travel time at 15h 39m, compared with 21h 27m via Taipei City Taiwan Taoyuan Intl (TPE) and 22h 57m via Tokyo Narita (NRT).

Kumamoto is 16 hours ahead of San Francisco (Japan Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.