Cheap Flights to Northern California from HK$2,453

View HK$2,453 flight on Wed, 29 Oct 2025Opens in a new window

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Cheap round-trip flights to Northern California

Prices were available within the past 7 days and start at HK$2,453 for one-way flights and HK$3,232 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sun, 23 Nov - Fri, 28 Nov
ICN
Seoul
SFO
San Francisco
HK$3,232 Return, found 1 day ago
HK$3,232
Return
found 1 day ago
Select United flight, departing Sun, 23 Nov from Seoul to San Francisco, returning Fri, 28 Nov, priced at HK$3,232 found 1 day ago
Air Premia
Mon, 17 Nov - Sun, 30 Nov
ICN
Seoul
SFO
San Francisco
HK$3,809 Return, found 4 days ago
HK$3,809
Return
found 4 days ago
Select Air Premia flight, departing Mon, 17 Nov from Seoul to San Francisco, returning Sun, 30 Nov, priced at HK$3,809 found 4 days ago
Air Canada
Thu, 30 Oct - Tue, 11 Nov
ICN
Seoul
SFO
San Francisco
HK$4,004 Return, found 4 hours ago
HK$4,004
Return
found 4 hours ago
Select Air Canada flight, departing Thu, 30 Oct from Seoul to San Francisco, returning Tue, 11 Nov, priced at HK$4,004 found 4 hours ago
Alaska Airlines
Thu, 12 Feb - Wed, 18 Feb
ICN
Seoul
SFO
San Francisco
HK$4,405 Return, found 5 days ago
HK$4,405
Return
found 5 days ago
Select Alaska Airlines flight, departing Thu, 12 Feb from Seoul to San Francisco, returning Wed, 18 Feb, priced at HK$4,405 found 5 days ago
American Airlines
Wed, 29 Oct - Mon, 10 Nov
ICN
Seoul
SFO
San Francisco
HK$4,484 Return, found 4 hours ago
HK$4,484
Return
found 4 hours ago
Select American Airlines flight, departing Wed, 29 Oct from Seoul to San Francisco, returning Mon, 10 Nov, priced at HK$4,484 found 4 hours ago

Find the cheapest month to fly from Columbus (CMH) to San Francisco (SFO)

February is typically the cheapest month to fly

From HK$1,232 - HK$3,441 per traveller.

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$3,232 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$3,232 and peaked at HK$4,861. For one-way trips out of Seoul (ICN), the lowest price during this time was only HK$2,453.
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$3,232 and HK$4,861. 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.
Flights to Northern California information
Destination airport
San Francisco Intl.
Destination airport IATA code
SFO
Destination city name
San Francisco
Return price
HK$1,532

Trending flights to Northern California

Prices were available within the past 7 days and start at HK$2,453 for one-way flights and HK$3,232 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

STARLUX Airlines
Tue, 23 Dec - Tue, 6 Jan
HKG
Hong Kong SAR
SFO
San Francisco
HK$4,861 Return, just found
HK$4,861
Return
just found
Select STARLUX Airlines flight, departing Tue, 23 Dec from Hong Kong SAR to San Francisco, returning Tue, 6 Jan, priced at HK$4,861 just found
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