Cheap Flights to Contra Costa County | Popular Routes to Contra Costa County from HK$638

View HK$638 flight on Wed, 27 May 2026Opens in a new window

Popular airlines to Contra Costa County

  • American Airlines

    American Airlines

  • Delta

    Delta

  • United

    United

  • Alaska Airlines

    Alaska Airlines

  • Frontier Airlines

    Frontier Airlines

  • Southwest Airlines

    Southwest Airlines

  • Spirit Airlines

    Spirit Airlines

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Cheap round-trip flights to Contra Costa County

Prices were available within the past 7 days and start at HK$638 for one-way flights and HK$973 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flair Airlines
Sat, 31 Jan - Sun, 1 Feb
YVR
Vancouver
SFO
San Francisco
HK$973 Return, found 5 days ago
HK$973
Return
found 5 days ago
Select Flair Airlines flight, departing Sat, 31 Jan from Vancouver to San Francisco, returning Sun, 1 Feb, priced at HK$973 found 5 days ago
United
Mon, 26 Jan - Fri, 30 Jan
YVR
Vancouver
SFO
San Francisco
HK$1,525 Return, found 6 hours ago
HK$1,525
Return
found 6 hours ago
Select United flight, departing Mon, 26 Jan from Vancouver to San Francisco, returning Fri, 30 Jan, priced at HK$1,525 found 6 hours ago
Air Canada
Wed, 11 Feb - Wed, 18 Feb
YVR
Vancouver
SFO
San Francisco
HK$1,525 Return, found 9 hours ago
HK$1,525
Return
found 9 hours ago
Select Air Canada flight, departing Wed, 11 Feb from Vancouver to San Francisco, returning Wed, 18 Feb, priced at HK$1,525 found 9 hours ago
Delta
Mon, 26 Jan - Fri, 30 Jan
YVR
Vancouver
SFO
San Francisco
HK$1,580 Return, found 6 hours ago
HK$1,580
Return
found 6 hours ago
Select Delta flight, departing Mon, 26 Jan from Vancouver to San Francisco, returning Fri, 30 Jan, priced at HK$1,580 found 6 hours ago
WestJet
Tue, 7 Jul - Wed, 8 Jul
YVR
Vancouver
SFO
San Francisco
HK$1,666 Return, found 1 day ago
HK$1,666
Return
found 1 day ago
Select WestJet flight, departing Tue, 7 Jul from Vancouver to San Francisco, returning Wed, 8 Jul, priced at HK$1,666 found 1 day ago
WestJet
Fri, 20 Feb - Fri, 27 Feb
YXX
Abbotsford
SFO
San Francisco
HK$1,725 Return, found 5 days ago
HK$1,725
Return
found 5 days ago
Select WestJet flight, departing Fri, 20 Feb from Abbotsford to San Francisco, returning Fri, 27 Feb, priced at HK$1,725 found 5 days ago
Delta
Fri, 30 Jan - Tue, 3 Feb
YVR
Vancouver
SJC
San Jose
HK$1,980 Return, found 3 days ago
HK$1,980
Return
found 3 days ago
Select Delta flight, departing Fri, 30 Jan from Vancouver to San Jose, returning Tue, 3 Feb, priced at HK$1,980 found 3 days ago
Alaska Airlines
Thu, 5 Mar - Mon, 16 Mar
YVR
Vancouver
SJC
San Jose
HK$2,010 Return, found 23 hours ago
HK$2,010
Return
found 23 hours ago
Select Alaska Airlines flight, departing Thu, 5 Mar from Vancouver to San Jose, returning Mon, 16 Mar, priced at HK$2,010 found 23 hours ago
Delta
Sat, 14 Mar - Fri, 20 Mar
IND
Indianapolis
SJC
San Jose
HK$3,245 Return, found 14 hours ago
HK$3,245
Return
found 14 hours ago
Select Delta flight, departing Sat, 14 Mar from Indianapolis to San Jose, returning Fri, 20 Mar, priced at HK$3,245 found 14 hours ago
American Airlines
Sat, 11 Apr - Tue, 14 Apr
YVR
Vancouver
SFO
San Francisco
HK$3,606 Return, found 2 days ago
HK$3,606
Return
found 2 days ago
Select American Airlines flight, departing Sat, 11 Apr from Vancouver to San Francisco, returning Tue, 14 Apr, priced at HK$3,606 found 2 days ago

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.

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$973. 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$973 and HK$5,303. If you were traveling one way out of Vancouver (YVR), you could have picked up a bargain from just HK$638.
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$973 to HK$5,303 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.

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.

Korean Air
Thu, 5 Mar - Sun, 15 Mar
HKG
Hong Kong SAR
SFO
San Francisco
HK$5,303 Return, found 6 hours ago
HK$5,303
Return
found 6 hours ago
Select Korean Air flight, departing Thu, 5 Mar from Hong Kong SAR to San Francisco, returning Sun, 15 Mar, priced at HK$5,303 found 6 hours ago
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