The cheapest times to fly from SFO to BKI are

  • February 5th to April 22nd
  • August 20th to December 9th (except the week of September 24th)

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from SFO to BKI is early September. Prices can be as high as $2551 for Friday flights during early to mid May, or as low as $790 for Tuesday flights around early September.


When to Fly to Kota Kinabalu

Flying from San Francisco, CA (SFO) to Kota Kinabalu (BKI) will usually cost between $828 to $1597 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early September with an average ticket price of $808. Due to high demand the most expensive time to fly is early to mid May, with an average price of $2013. Planning your trip to low-cost times can easily save you $1206 on economy flights and even more on first-class flights. Generally, any price below $956 can be considered a good price for a round-trip SFO to BKI flight.

See below for a graph of average weekly prices for the SFO to BKI route. All prices are for round-trip tickets in USD.

SFO to BKI Flight Prices

Compared to other flights, the SFO to BKI flight is priced close to the average and costs less than the average flight leaving from San Francisco. The average price per mile (for a direct flight) is $0.08, which is far below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to depart and return on this flight. Fridays are the most expensive days to fly to Kota Kinabalu, and Sundays are the most expensive days to return to San Francisco. Selecting flights on the least expensive days could save you up to $110 (10%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $1025. Return trip prices are from the BKI to SFO flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from SFO to BKI can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 14 hour 43 minutes may not be realistic.


Flight Hacking SFO to BKI

Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from SFO to BKI — but Champion Traveler does!

Hack #1: Hong Kong (SFO > HKG > BKI)

  • Price for both tickets: $771
  • Average savings: $186 (19.4%)

See SFO to HKG flights

Hack #2: Manila (SFO > MNL > BKI)

  • Price for both tickets: $790
  • Average savings: $167 (17.42%)

See SFO to MNL flights

Hack #3: Kuala Lumpur (SFO > KUL > BKI)

  • Price for both tickets: $807
  • Average savings: $149 (15.59%)

See SFO to KUL flights


Flight Questions Answered

Still have questions about flying from SFO to BKI? We’ve got answers.

Which airlines fly this route?

You can find 25 major airlines flying this route most often: Air Canada, Alaska, American, ANA, Asiana, Cathay Dragon, Cathay Pacific, China Airlines, China Eastern, China Southern, Delta, Emirates, EVA Air, JAL, Korean Air, Malaysia Airlines, Philippine Airlines, Qatar Airways, Royal Brunei, Shanghai Airlines, Shenzhen, Singapore Airlines, United, WestJet, Xiamen, and potentially more during busy seasons.

How far away is it from Kota Kinabalu International Airport to San Francisco International Airport?

The distance between the two airports is roughly 7630 miles or 12279 kilometers.

How long does it take to fly from SFO to BKI?

The real-world flight time for a nonstop SFO to BKI flight is about 14 hour 43 minutes.

How many flights go between San Francisco, CA and Kota Kinabalu?

It depends on the day of the week and the date, but a typical day might have around 72 available flights from SFO to BKI.


Airport Location Info


Departing Airport

Origination codeSFO
Origination airport nameSan Francisco International Airport
CitySan Francisco, CA
Countrythe United States

Return Airport

Destination codeBKI
Destination airport nameKota Kinabalu International Airport
CityKota Kinabalu


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.