What to know about flights from Kuala Lumpur to San Francisco?

The distance between Kuala Lumpur and San Francisco is approximately 13,601.64 km. Based on Trip.com's data, travel demand peaks in January. The cheapest month to book is September.

Cheapest one-way
$395
Vietnam Airlines Vietnam Airlines KUL-SFO 37h 30m · 1 stop Sat, Oct 10
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Cheapest round-trip
$695
Vietnam Airlines Vietnam Airlines KUL-SFO 37h 30m · 2 stops Tue, Sep 22 - Thu, Sep 24
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When to travel
September
Cheapest
January
Peak season for travel
Route details
13,601.64 km
Flight distance

Explore the cheapest one-way and round-trip flights from Kuala Lumpur to San Francisco over the next 90 days, with one-way fares from $395 and round-trip from $695. Based on Trip.com's latest 7-day flight data.

Which airlines are the most popular for Kuala Lumpur to San Francisco flights?

The most popular airlines flying from Kuala Lumpur to San Francisco are China Airlines, Philippine Airlines, and All Nippon Airways, among 8 carriers on this route. Vietnam Airlines offers the lowest fares. Based on Trip.com's flight booking data from the previous 12 months.
China Airlines logo China Airlines
Philippine Airlines logo Philippine Airlines
All Nippon Airways logo All Nippon Airways
Cathay Pacific logo Cathay Pacific
Korean Air logo Korean Air
Singapore Airlines logo Singapore Airlines
EVA Air logo EVA Air
Vietnam Airlines logo Vietnam Airlines
Airlines are determined based on actual purchased flight tickets from Kuala Lumpur to San Francisco according to previous 12 months data from Trip.com.

Trip.com price insights on flights from Kuala Lumpur to San Francisco

What is the cheapest month for round-trip flights from Kuala Lumpur to San Francisco?

Average price of round-trip flights from Kuala Lumpur to San Francisco purchased by Trip.com users by month over the past 12 months

According to historical data from Trip.com, the lowest prices for flights from Kuala Lumpur to San Francisco are found during August, with an average price of $918. Conversely, the highest prices are found during December, with an average price of up to $1,476.

$1,476
$1,197
$918
$639
  • $918
    Aug
  • $988
    Sep
  • $1,002
    Oct
  • $1,062
    Nov
  • $1,476
    Dec
  • $1,442
    Jan
  • $1,403
    Feb
  • $1,152
    Mar
  • $1,311
    Apr
  • $1,054
    May
  • $1,104
    Jun
  • $1,150
    Jul

When is the cheapest day to fly from Kuala Lumpur to San Francisco during Labor Day?

Data is based on the lowest one-way price from Kuala Lumpur to San Francisco during Labor Day on Trip.com in the past 3 days.

Labor Day is scheduled for Sep 7. The cheapest flights from Kuala Lumpur to San Francisco are available on Sep 8, with fares starting at $414.

$555
$485
$414
$344
    Cheapest
  • $515
    4
    Sep
  • $522
    5
  • $510
    6
  • $552
    7
  • $414
    8
  • $555
    9

Frequently Asked Questions

  • What are the cheapest flights from Kuala Lumpur to San Francisco (KUL-SFO)?

    Based on Trip.com data, Vietnam Airlines offers one-way fares as low as $395 on Cheapest nonstop routes (e.g. KUL to SFO on Sat, Oct 10), while Vietnam Airlines offers Cheapest nonstop round-trips from $695 departing on Tue, Sep 22 and returning on Thu, Sep 24.
  • At the moment, you can catch a nonstop flight from Kuala Lumpur to San Francisco with the following airlines, including: ZIPAIR AirAsia Berhad (Malaysia) Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Kuala Lumpur to San Francisco is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • To find best deals on flights from Kuala Lumpur to San Francisco, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Sat, Oct 10, with one-way flights priced at just $395.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Vietnam Airlines.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for San Francisco travel is around January.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Kuala Lumpur to San Francisco is September, when demand for travel is lower.
  • After crunching the numbers on our September flight calendar, it's currently cheapest to fly from Kuala Lumpur to San Francisco on September 16, 2026 with Vietnam Airlines, with prices starting at $397.
  • You can arrive at any of the following airports in San Francisco: San Francisco International Airport (SFO). Flights from Kuala Lumpur International Airport to San Francisco International Airport (KUL-SFO) are by far the most popular option for this route.
  • The time difference between San Francisco and Kuala Lumpur is 16h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.
  • Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from Kuala Lumpur to San Francisco is $714. Fares vary by travel date, airline and availability.
  • Enter Kuala Lumpur and San Francisco, choose your travel dates and passengers, then compare flights by price, duration and baggage. Select a fare, review the change and cancellation rules, enter traveler details and complete payment to receive your confirmation.

Note: Prices shown on this page are estimated lowest price and include all taxes and fees found in the last 24 hours.

Book with no extra fees

Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, WLAN, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page were updated within last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy.
Cancellation/change due to a flight schedule change:
If the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.