A coastal pathway with lush greenery and purple flowers, leading to a view of the ocean and distant cityscape.

Contra Costa County Flights - Book Cheap Flights to Contra Costa County

View RM526 flight on Wed, 19 Aug 2026Opens in a new window

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Popular airlines to Contra Costa County

  • Alaska Airlines

  • American Airlines

  • Delta

  • United

  • Frontier Airlines

  • JetBlue Airways

  • Southwest Airlines

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Cheap round-trip flights to Contra Costa County

Prices were available within the past 7 days and start at RM526 for one-way flights and RM1,050 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, 26 Aug - Sat, 29 Aug
MDW
Chicago
SFO
San Francisco
RM1,050 Return, found 2 days ago
RM1,050
Return
found 2 days ago
Select Delta flight, departing Wed, 26 Aug from Chicago to San Francisco, returning Sat, 29 Aug, priced at RM1,050 found 2 days ago
Delta
Wed, 19 Aug - Tue, 25 Aug
ORD
Chicago
SFO
San Francisco
RM1,051 Return, found 1 day ago
RM1,051
Return
found 1 day ago
Select Delta flight, departing Wed, 19 Aug from Chicago to San Francisco, returning Tue, 25 Aug, priced at RM1,051 found 1 day ago
United
Wed, 19 Aug - Tue, 25 Aug
ORD
Chicago
SFO
San Francisco
RM1,378 Return, found 1 day ago
RM1,378
Return
found 1 day ago
Select United flight, departing Wed, 19 Aug from Chicago to San Francisco, returning Tue, 25 Aug, priced at RM1,378 found 1 day ago
American Airlines
Sat, 15 Aug - Sat, 22 Aug
ORD
Chicago
SFO
San Francisco
RM1,389 Return, found 4 days ago
RM1,389
Return
found 4 days ago
Select American Airlines flight, departing Sat, 15 Aug from Chicago to San Francisco, returning Sat, 22 Aug, priced at RM1,389 found 4 days ago
Delta
Tue, 25 Aug - Sat, 29 Aug
ORD
Chicago
SJC
San Jose
RM1,554 Return, just found
RM1,554
Return
just found
Select Delta flight, departing Tue, 25 Aug from Chicago to San Jose, returning Sat, 29 Aug, priced at RM1,554 just found
Delta
Tue, 25 Aug - Sat, 29 Aug
MDW
Chicago
SJC
San Jose
RM1,554 Return, just found
RM1,554
Return
just found
Select Delta flight, departing Tue, 25 Aug from Chicago to San Jose, returning Sat, 29 Aug, priced at RM1,554 just found
Delta
Fri, 14 Aug - Fri, 21 Aug
ORD
Chicago
OAK
Oakland
RM2,024 Return, found 2 days ago
RM2,024
Return
found 2 days ago
Select Delta flight, departing Fri, 14 Aug from Chicago to Oakland, returning Fri, 21 Aug, priced at RM2,024 found 2 days ago
Vietnam Airlines
Wed, 23 Sept - Sun, 27 Sept
KUL
Kuala Lumpur
SFO
San Francisco
RM3,431 Return, found 1 day ago
RM3,431
Return
found 1 day ago
Select Vietnam Airlines flight, departing Wed, 23 Sept from Kuala Lumpur to San Francisco, returning Sun, 27 Sept, priced at RM3,431 found 1 day ago
All Nippon Airways
Mon, 23 Nov - Mon, 30 Nov
KUL
Kuala Lumpur
SFO
San Francisco
RM3,876 Return, found 12 hours ago
RM3,876
Return
found 12 hours ago
Select All Nippon Airways flight, departing Mon, 23 Nov from Kuala Lumpur to San Francisco, returning Mon, 30 Nov, priced at RM3,876 found 12 hours ago
China Airlines
Fri, 20 Nov - Mon, 23 Nov
KUL
Kuala Lumpur
SFO
San Francisco
RM3,927 Return, found 20 hours ago
RM3,927
Return
found 20 hours ago
Select China Airlines flight, departing Fri, 20 Nov from Kuala Lumpur to San Francisco, returning Mon, 23 Nov, priced at RM3,927 found 20 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.

Vietnam Airlines
Wed, 23 Sept - Sun, 27 Sept
KUL
Kuala Lumpur
SFO
San Francisco
RM3,431 Return, found 1 day ago
RM3,431
Return
found 1 day ago
Select Vietnam Airlines flight, departing Wed, 23 Sept from Kuala Lumpur to San Francisco, returning Sun, 27 Sept, priced at RM3,431 found 1 day 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 RM1,050. 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 RM1,050 and RM3,927. If you were travelling one way out of Chicago (ORD), you could have picked up a bargain from just RM526.
What are the most popular airports to fly into in Contra Costa County?
San Francisco Intl. Airport (SFO) is the primary gateway for many travelling to Contra Costa County. Around 11,935 flights each month touch down here.
How much is a plane ticket to Contra Costa County?
Plane tickets to Contra Costa County varied from RM1,050 to RM3,927 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.

Book with confidence

About Contra Costa County

Expedia offers flights to Contra Costa County to meet every traveler'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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