A rocky mountain peak with a prominent boulder and a pine tree at the summit.

Cheap Flights to Northern California from HK$2,954

View HK$2,954 flight on Tue, 27 Oct 2026Opens in a new window

Popular airlines

  • Alaska Airlines

  • American Airlines

  • Frontier Airlines

  • Delta

  • United

  • JetBlue Airways

  • Southwest Airlines

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 35% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap round-trip flights to Northern California

Prices were available within the past 7 days and start at HK$2,954 for one-way flights and HK$4,867 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Tue, 3 Nov - Sun, 8 Nov
HKG
Hong Kong SAR
SFO
San Francisco
HK$4,867 Return, found 4 hours ago
HK$4,867
Return
found 4 hours ago
Select Air Canada flight, departing Tue, 3 Nov from Hong Kong SAR to San Francisco, returning Sun, 8 Nov, priced at HK$4,867 found 4 hours ago
Delta
Sat, 21 Nov - Thu, 26 Nov
HKG
Hong Kong SAR
SFO
San Francisco
HK$5,245 Return, found 3 hours ago
HK$5,245
Return
found 3 hours ago
Select Delta flight, departing Sat, 21 Nov from Hong Kong SAR to San Francisco, returning Thu, 26 Nov, priced at HK$5,245 found 3 hours ago
Air China
Wed, 16 Sept - Wed, 4 Nov
HKG
Hong Kong SAR
SFO
San Francisco
HK$5,481 Return, found 6 hours ago
HK$5,481
Return
found 6 hours ago
Select Air China flight, departing Wed, 16 Sept from Hong Kong SAR to San Francisco, returning Wed, 4 Nov, priced at HK$5,481 found 6 hours ago
STARLUX Airlines
Mon, 23 Nov - Fri, 4 Dec
HKG
Hong Kong SAR
SFO
San Francisco
HK$5,540 Return, just found
HK$5,540
Return
just found
Select STARLUX Airlines flight, departing Mon, 23 Nov from Hong Kong SAR to San Francisco, returning Fri, 4 Dec, priced at HK$5,540 just found
United
Mon, 23 Nov - Fri, 4 Dec
HKG
Hong Kong SAR
SFO
San Francisco
HK$5,777 Return, just found
HK$5,777
Return
just found
Select United flight, departing Mon, 23 Nov from Hong Kong SAR to San Francisco, returning Fri, 4 Dec, priced at HK$5,777 just found

Frequently asked questions

How do I find cheap flights to Northern California that have flexible change policies?
When it comes to traveling these days, flexibility is key. That's why we've added a "No change fee" filter to help you locate flexible, cheap fares to Northern California. It's on the left-hand side of your screen under the "Flexible change policies" heading.
Which airlines fly to Northern California?
Wherever you're planning to wander in Northern California and whenever you're hoping to jet off, you'll discover your perfect flight with one of these top airlines:

  • Southwest Airlines - 6,924 flights to or near Northern California each month, including 2,314 flights to Oakland Intl. Airport (OAK) and 2,179 flights to Norman Y. Mineta San Jose Intl. Airport (SJC) per month.
  • United Airlines - 6,482 flights to or near Northern California each month, including 5,914 flights to San Francisco Intl. Airport (SFO) and 446 flights to Sacramento Intl. Airport (SMF) per month.
  • Alaska Airlines - 3,567 flights to or near Northern California each month, including 2,349 flights to San Francisco Intl. Airport (SFO) and 689 flights to Norman Y. Mineta San Jose Intl. Airport (SJC) per month.

How can I find cheap tickets to Northern California?
In the last seven days, HK$4,867 was the best price for a flight to Northern California. For even greater savings, book ahead of time and be flexible with your travel dates. Search for your airfare to Northern California, then compare prices for similar time frames by clicking on the "flexible dates" link above.
How much is a flight to Northern California?
In the last seven days, return flights to Northern California sold for as low as HK$4,867 and peaked at HK$5,777. For one-way trips out of Hong Kong SAR (HKG), the lowest price during this time was only HK$2,954.
What are the most popular airports to fly into in Northern California?
Which airport you touch down at in Northern California will depend on the city you're coming from and where you're headed. Listed below are the most popular airports in this region:

  • San Francisco Intl. Airport (SFO) - 11,935 flights per month.
  • Sacramento Intl. Airport (SMF) - 3,875 flights per month.
  • Norman Y. Mineta San Jose Intl. Airport (SJC) - 3,788 flights per month.

When is the cheapest time to fly to Northern California?
Take off to Northern California early in the week and you'll usually be rewarded more economical fares. Tuesday is typically the cheapest day to get on a plane, closely followed by Monday. If you're hoping to avoid the priciest flights, keep clear of Saturdays.
How much is a plane ticket to Northern California?
In the last seven days, plane tickets to Northern California ranged between HK$4,867 and HK$5,777. Prices generally depend on the time of departure, seating class, airline and when the fare is booked.
What months are the cheapest to book a flight to Northern California?
The best month to purchase affordable fares to Northern California is February. Bear in mind that in the U.S, the most expensive time to book a ticket is during the festive month of December.

Travel information

Destination airport
Sacramento Intl.
Destination airport IATA code
SMF
Destination city name
Sacramento
Return price
HK$1,852

Trending flights to Northern California

Prices were available within the past 7 days and start at HK$2,954 for one-way flights and HK$4,867 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Tue, 3 Nov - Sun, 8 Nov
HKG
Hong Kong SAR
SFO
San Francisco
HK$4,867 Return, found 4 hours ago
HK$4,867
Return
found 4 hours ago
Select Air Canada flight, departing Tue, 3 Nov from Hong Kong SAR to San Francisco, returning Sun, 8 Nov, priced at HK$4,867 found 4 hours ago

Explore a world of travel with Expedia

*Available to Expedia members.