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Cheap Flights to Contra Costa County | Popular Routes to Contra Costa County from HK$3,089

View HK$3,089 flight on Wed, 9 Sept 2026Opens in a new window

Popular airlines to Contra Costa County

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Cheap round-trip flights to Contra Costa County

Prices were available within the past 7 days and start at HK$3,089 for one-way flights and HK$4,314 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Mon, 7 Sept - Sun, 20 Sept
ICN
Seoul
SFO
San Francisco
HK$4,314 Return, found 6 hours ago
HK$4,314
Return
found 6 hours ago
Select United flight, departing Mon, 7 Sept from Seoul to San Francisco, returning Sun, 20 Sept, priced at HK$4,314 found 6 hours ago
Air Premia
Fri, 16 Oct - Mon, 19 Oct
ICN
Seoul
SFO
San Francisco
HK$5,360 Return, found 3 days ago
HK$5,360
Return
found 3 days ago
Select Air Premia flight, departing Fri, 16 Oct from Seoul to San Francisco, returning Mon, 19 Oct, priced at HK$5,360 found 3 days ago
Air Canada
Fri, 25 Sept - Mon, 5 Oct
ICN
Seoul
SFO
San Francisco
HK$5,800 Return, found 3 hours ago
HK$5,800
Return
found 3 hours ago
Select Air Canada flight, departing Fri, 25 Sept from Seoul to San Francisco, returning Mon, 5 Oct, priced at HK$5,800 found 3 hours ago
Philippine Airlines
Tue, 29 Sept - Tue, 6 Oct
ICN
Seoul
SFO
San Francisco
HK$5,886 Return, found 3 hours ago
HK$5,886
Return
found 3 hours ago
Select Philippine Airlines flight, departing Tue, 29 Sept from Seoul to San Francisco, returning Tue, 6 Oct, priced at HK$5,886 found 3 hours ago
Air China
Wed, 16 Sept - Wed, 4 Nov
HKG
Hong Kong SAR
SFO
San Francisco
HK$6,078 Return, found 8 hours ago
HK$6,078
Return
found 8 hours ago
Select Air China flight, departing Wed, 16 Sept from Hong Kong SAR to San Francisco, returning Wed, 4 Nov, priced at HK$6,078 found 8 hours ago
EVA Airways
Wed, 23 Dec - Fri, 1 Jan
HKG
Hong Kong SAR
SFO
San Francisco
HK$6,278 Return, found 1 hour ago
HK$6,278
Return
found 1 hour ago
Select EVA Airways flight, departing Wed, 23 Dec from Hong Kong SAR to San Francisco, returning Fri, 1 Jan, priced at HK$6,278 found 1 hour ago
China Airlines
Wed, 23 Dec - Fri, 1 Jan
HKG
Hong Kong SAR
SFO
San Francisco
HK$6,368 Return, found 1 hour ago
HK$6,368
Return
found 1 hour ago
Select China Airlines flight, departing Wed, 23 Dec from Hong Kong SAR to San Francisco, returning Fri, 1 Jan, priced at HK$6,368 found 1 hour ago
STARLUX Airlines
Mon, 21 Dec - Mon, 11 Jan
HKG
Hong Kong SAR
SFO
San Francisco
HK$6,398 Return, found 3 hours ago
HK$6,398
Return
found 3 hours ago
Select STARLUX Airlines flight, departing Mon, 21 Dec from Hong Kong SAR to San Francisco, returning Mon, 11 Jan, priced at HK$6,398 found 3 hours ago
Air Canada
Wed, 16 Dec - Thu, 31 Dec
PVG
Shanghai
SFO
San Francisco
HK$6,465 Return, found 10 hours ago
HK$6,465
Return
found 10 hours ago
Select Air Canada flight, departing Wed, 16 Dec from Shanghai to San Francisco, returning Thu, 31 Dec, priced at HK$6,465 found 10 hours ago
Asiana Airlines
Tue, 8 Sept - Fri, 25 Sept
HKG
Hong Kong SAR
SFO
San Francisco
HK$6,478 Return, found 4 hours ago
HK$6,478
Return
found 4 hours ago
Select Asiana Airlines flight, departing Tue, 8 Sept from Hong Kong SAR to San Francisco, returning Fri, 25 Sept, priced at HK$6,478 found 4 hours ago

Trending flights to Contra Costa County

These prices were available within the past 7 days. Prices quoted are per person, return, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air China
Wed, 16 Sept - Wed, 4 Nov
HKG
Hong Kong SAR
SFO
San Francisco
HK$6,078 Return, found 8 hours ago
HK$6,078
Return
found 8 hours ago
Select Air China flight, departing Wed, 16 Sept from Hong Kong SAR to San Francisco, returning Wed, 4 Nov, priced at HK$6,078 found 8 hours ago

Frequently asked questions

How do I find cheap flights to Contra Costa County that have flexible change policies?
It's as easy as counting to three with Expedia. Firstly, enter your travel details and click "Search." Next step? Check "No change fee" directly under the "Flexible change policies" subheading on the left-hand side of your screen. Step 3. Book a flexible and cheap airfare to Contra Costa County.
Which airlines fly to Contra Costa County?
You can choose from a variety of airlines that operate flights in or near Contra Costa County. Some of your options are:

  • United Airlines - 5,914 flights to or near Contra Costa County each month, including 5,914 flights to San Francisco Intl. Airport (SFO) per month.
  • Alaska Airlines - 2,349 flights to or near Contra Costa County each month, including 2,349 flights to San Francisco Intl. Airport (SFO) per month.
  • Delta Air Lines - 1,222 flights to or near Contra Costa County each month, including 1,222 flights to San Francisco Intl. Airport (SFO) per month.

How can I find cheap tickets to Contra Costa County?
One of the easiest ways to bag cheap tickets to Contra Costa County is to be flexible with your travel dates. Search for your flights, then click "flexible dates" above the results. You'll see the cheapest prices for nearby days. The best price for a flight to Contra Costa County in the last seven days was HK$4,314. Booking well ahead will usually help you pick up an even bigger bargain.
How much is a flight to Contra Costa County?
The price of a round-trip airfare to Contra Costa County in the last seven days fluctuated between HK$4,314 and HK$6,478. If you were traveling one way out of Seoul (ICN), you could have picked up a bargain from just HK$3,089.
What are the most popular airports to fly into in Contra Costa County?
San Francisco Intl. Airport (SFO) is the primary gateway for many traveling to Contra Costa County. Around 11,935 flights each month touch down here.
When is the cheapest time to fly to Contra Costa County?
If you can be flexible with what day you jet off to Contra Costa County, fly out early on in the week. The most economical day to take off is normally Tuesday, followed by Monday. Saturday is typically the costliest day, with lots of vacationers preferring to fly on weekends.
How much is a plane ticket to Contra Costa County?
Plane tickets to Contra Costa County varied from HK$4,314 to HK$6,478 in the last seven days. Usually, the earlier you book the bigger the bargain.
What is the best time to go to Contra Costa County?
A good time to go to Concord is after June 20 when summer starts. In Contra Costa County's busiest city, average temperatures fluctuate from 13ºC to 27ºC during this time — perfect weather for touring around! May, June and August are the most popular months to discover this destination.
What months are the cheapest to book a flight to Contra Costa County?
An inexpensive month to find a flight to Contra Costa County is February, whereas prices rise considerably in December. Give this month a miss if you want to save your dollars.

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About Contra Costa County

Expedia offers flights to Contra Costa County to meet every traveller's needs. Whatever your flight need - Expedia has the flight for you. So choose from flights to Contra Costa County or destinations around the world and discover how easy it is to make your flight reservations on Expedia.
About Contra Costa County
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