Find Cheapest Airlines Flying from Hong Kong to San Francisco

Choose from 4 carriers that fly from Hong Kong to San Francisco, including United Airlines, STARLUX Airlines, and EVA Air. Enjoy the cheapest tickets on this route with United Airlines.
United Airlines logo United Airlines
STARLUX Airlines logo STARLUX Airlines
EVA Air logo EVA Air
Cathay Pacific logo Cathay Pacific
Airlines are determined based on actual purchased flight tickets from Hong Kong to San Francisco according to previous 12 months data from Trip.com.

Explore the cheapest flights from Hong Kong to San Francisco in the next three months. Based on Trip.com's data from the latest 7 days, one-way direct flights start at AU$ 579, and round-trip direct tickets start at AU$ 1,313.

Displayed flight fares from Hong Kong to San Francisco are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Hong Kong to San Francisco Flight Details

The distance between Hong Kong and San Francisco is approximately 11,105.34km. It takes around 12 hours 28 minutes on average to fly from Hong Kong to San Francisco. Based on Trip.com's data travel demand peaks in July. The off-season for travel is October.

Cheapest one-way flight priceAU$ 492
Cheapest return ticket priceAU$ 1,041
Off-season for travelOctober
Peak season for travelJuly
Flight distance11,105.34km
Average flight time12 hours 28 minutes
Popular airlineUnited Airlines
Flight statistics for the Hong Kong–San Francisco route are based on aggregated booking data from Trip.com over the past 12 months.

Trip.com Price Insights on Flights from Hong Kong to San Francisco

What is the cheapest month for one-way flights from Hong Kong to San Francisco?

Average price of one-way flights from Hong Kong to San Francisco purchased by Trip.com users by month over the past 12 months.

According to Trip.com's data, the cheapest month for flights from Hong Kong to San Francisco is November, with an average price of AU$ 813. Conversely, the most expensive month is typically August, with an average price of up to AU$ 1,208.

AU$ 1,208
AU$ 1,011
AU$ 813
AU$ 616
    Cheapest
  • AU$ 1,080
    Apr
  • AU$ 945
    May
  • AU$ 972
    Jun
  • AU$ 1,170
    Jul
  • AU$ 1,208
    Aug
  • AU$ 917
    Sep
  • AU$ 831
    Oct
  • AU$ 813
    Nov
  • AU$ 921
    Dec
  • AU$ 1,106
    Jan
  • AU$ 853
    Feb
  • AU$ 885
    Mar

What is the cheapest month for round-trip flights from Hong Kong to San Francisco?

Average price of round-trip flights from Hong Kong 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 Hong Kong to San Francisco are found during September, with an average price of AU$ 1,160. Conversely, the highest prices are found during August, with an average price of up to AU$ 1,824.

AU$ 1,824
AU$ 1,492
AU$ 1,160
AU$ 828
    Cheapest
  • AU$ 1,334
    Apr
  • AU$ 1,579
    May
  • AU$ 1,303
    Jun
  • AU$ 1,706
    Jul
  • AU$ 1,824
    Aug
  • AU$ 1,160
    Sep
  • AU$ 1,291
    Oct
  • AU$ 1,396
    Nov
  • AU$ 1,405
    Dec
  • AU$ 1,713
    Jan
  • AU$ 1,219
    Feb
  • AU$ 1,438
    Mar

What's the cheapest day to fly from Hong Kong to San Francisco?

Data is based on the average flight price for each day of the week from Hong Kong to San Francisco on Trip.com over the past 12 months.

Based on Trip.com data from the past 12 months, the cheapest day to fly from Hong Kong to San Francisco is Friday, with average prices lower than on other days. Avoid Monday, as prices are usually highest then.

AU$ 1,085
AU$ 996
AU$ 906
AU$ 817
    Cheapest
  • AU$ 1,085
    Mon
  • AU$ 916
    Tue
  • AU$ 968
    Wed
  • AU$ 994
    Thu
  • AU$ 906
    Fri
  • AU$ 1,064
    Sat
  • AU$ 993
    Sun

When is the cheapest day to fly from Hong Kong to San Francisco during ANZAC Day Holiday?

Data is based on the lowest one-way fares from Hong Kong to San Francisco during ANZAC Day Holiday, sourced from the Trip.com database over the last 3 days.

ANZAC Day Holiday runs from Apr 25 to Apr 27. The cheapest flights from Hong Kong to San Francisco are available on Apr 23, with fares starting at AU$ 633.

AU$ 1,063
AU$ 848
AU$ 633
AU$ 418
  • AU$ 633
    23
    Apr
  • AU$ 889
    24
  • AU$ 1,018
    25
  • AU$ 1,052
    26
  • AU$ 1,063
    27
  • AU$ 810
    28

Flight FAQs

  • Which airlines offer the cheapest flights from Hong Kong (HKG) to San Francisco (SFO)?

    Based on Trip.com data, Philippine Airlines offers one-way fares as low as AU$ 492 on Cheapest nonstop routes (e.g. HKG to SFO on Fri, Jun 19), while Philippine Airlines offers Cheapest nonstop round-trips from AU$ 1,041 departing on Thu, Apr 23 and returning on Thu, Apr 30.
  • At the moment, you can catch a direct flight from Hong Kong to San Francisco with the following airlines, including: United Airlines Cathay Pacific Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • It takes about 12 hours 28 minutes to fly from Hong Kong (HKG) to San Francisco (SFO).
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Hong Kong 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.
  • Based on Trip.com data in the past 4 weeks, there is 28 flight per week flying from Hong Kong to San Francisco. You can check the weekly schedule for popular airlines on this route below: United Airlines: S/M/T/W/T/F/S -- UA878 (22:49) Cathay Pacific: S/M/T/W/T/F/S -- CX870 (14:06)
  • To find best deals on flights from Hong Kong 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 Fri, Jun 19, with one-way flights priced at just AU$ 492.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is United 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 July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Hong Kong to San Francisco is October, when demand for travel is lower.
  • After crunching the numbers on our April flight calendar, it's currently cheapest to fly from Hong Kong to San Francisco on April 22, 2026 with Air Canada, with prices starting at AU$ 515.
  • You can land at any one of the following hubs in San Francisco, with Hong Kong International Airport to San Francisco International Airport (HKG-SFO) is by far the most common option on this route: San Francisco International Airport (SFO).
  • The time difference between San Francisco and Hong Kong is 16h.
  • Tickets can only be changed or cancelled 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.

Trip.com Airline Insights on Flights from Hong Kong toSan Francisco

Which airlines offer the cheapest nonstop flights from Hong Kong to San Francisco?

Data is based on the average price of all nonstop flights from Hong Kong to San Francisco on Trip.com in the past 12 months.

Based on Trip.com data from the past 12 months, Philippine Airlines offers the cheapest nonstop flights from Hong Kong to San Francisco, with an average price of AU$ 834.

AU$ 604
AU$ 834
AU$ 1,065
AU$ 1,295
AU$ 1,525
Philippine Airlines
AU$ 834
Philippine Airlines
STARLUX Airlines
AU$ 893
STARLUX Airlines
China Airlines
AU$ 944
China Airlines
EVA Air
AU$ 1,022
EVA Air
United Airlines
AU$ 1,216
United Airlines
Cathay Pacific
AU$ 1,525
Cathay Pacific

Which airlines operate the most flights from Hong Kong to San Francisco?

Data is based on the number of flights from Hong Kong to San Francisco operated by each airline on Trip.com in the past month.

Based on Trip.com data from the past month, Miat Mongolian Airlines/Malaysia Airlines/Cathay Pacific/American Airlines operates the most flights from Hong Kong to San Francisco, with 16 flight per week.

15
16
Miat Mongolian Airlines
16
Miat Mongolian Airlines
Malaysia Airlines
16
Malaysia Airlines
Cathay Pacific
16
Cathay Pacific
American Airlines
16
American Airlines
United Airlines
15
United Airlines

How many flights are there each day from Hong Kong to San Francisco?

The data is based on the flight numbers for each day of the week from Hong Kong to San Francisco within the Trip.com database over the past month.

Based on Trip.com data from the past month, the most flights from Hong Kong to San Francisco depart on Saturday, and the fewest flights depart on Thursday/Sunday.

57
49
40
32
Highest
43
Mon
44
Tue
44
Wed
40
Thu
50
Fri
57
Sat
40
Sun

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, regulatory fees, etc) with all fees confirmed before payment. Fees for baggage, meals, Wi-Fi, 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.