Cheap Flights to Northern California from HK$2,616

View HK$2,616 flight on Sun, 23 Nov 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$2,616 for one-way flights and HK$2,640 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Thu, 13 Nov - Thu, 4 Dec
ICN
Seoul
SFO
San Francisco
HK$2,640 Return, found 12 hours ago
HK$2,640
Return
found 12 hours ago
Select Alaska Airlines flight, departing Thu, 13 Nov from Seoul to San Francisco, returning Thu, 4 Dec, priced at HK$2,640 found 12 hours ago
Air Canada
Fri, 16 Jan - Fri, 23 Jan
ICN
Seoul
SFO
San Francisco
HK$3,220 Return, found 4 days ago
HK$3,220
Return
found 4 days ago
Select Air Canada flight, departing Fri, 16 Jan from Seoul to San Francisco, returning Fri, 23 Jan, priced at HK$3,220 found 4 days ago
United
Mon, 17 Nov - Wed, 3 Dec
ICN
Seoul
SFO
San Francisco
HK$3,634 Return, found 2 hours ago
HK$3,634
Return
found 2 hours ago
Select United flight, departing Mon, 17 Nov from Seoul to San Francisco, returning Wed, 3 Dec, priced at HK$3,634 found 2 hours ago
American Airlines
Thu, 9 Oct - Mon, 20 Oct
ICN
Seoul
SFO
San Francisco
HK$3,658 Return, found 14 hours ago
HK$3,658
Return
found 14 hours ago
Select American Airlines flight, departing Thu, 9 Oct from Seoul to San Francisco, returning Mon, 20 Oct, priced at HK$3,658 found 14 hours ago
Air Premia
Fri, 14 Nov - Fri, 5 Dec
ICN
Seoul
SFO
San Francisco
HK$4,004 Return, found 12 hours ago
HK$4,004
Return
found 12 hours ago
Select Air Premia flight, departing Fri, 14 Nov from Seoul to San Francisco, returning Fri, 5 Dec, priced at HK$4,004 found 12 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$1,233 - HK$3,419 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$2,640 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$2,640 and peaked at HK$4,690. For one-way trips out of Seoul (ICN), the lowest price during this time was only HK$2,616.
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$2,640 and HK$4,690. 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$943

Trending flights to Northern California

Prices were available within the past 7 days and start at HK$2,616 for one-way flights and HK$2,640 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Korean Air
Fri, 30 Jan - Sun, 8 Feb
HKG
Hong Kong SAR
SFO
San Francisco
HK$4,690 Return, found 4 days ago
HK$4,690
Return
found 4 days ago
Select Korean Air flight, departing Fri, 30 Jan from Hong Kong SAR to San Francisco, returning Sun, 8 Feb, priced at HK$4,690 found 4 days ago
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