Cheap Flights to Contra Costa County from $19

View $19 flight on Sat, Mar 7, 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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How much is the cheapest flight to Contra Costa County?

Prices were available within the past 7 days and start at $19 for one-way flights and $38 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Tue, Mar 10 - Sat, Mar 14
LAX
Los Angeles
SFO
San Francisco
$48 Roundtrip, found 1 hour ago
$48
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Tue, Mar 10 from Los Angeles to San Francisco, returning Sat, Mar 14, priced at $48 found 1 hour ago
American Airlines
Sat, Jan 24 - Tue, Jan 27
LAX
Los Angeles
SFO
San Francisco
$91 Roundtrip, just found
$91
Roundtrip
just found
Select American Airlines flight, departing Sat, Jan 24 from Los Angeles to San Francisco, returning Tue, Jan 27, priced at $91 just found
United
Wed, Feb 4 - Thu, Feb 5
LAX
Los Angeles
SFO
San Francisco
$91 Roundtrip, just found
$91
Roundtrip
just found
Select United flight, departing Wed, Feb 4 from Los Angeles to San Francisco, returning Thu, Feb 5, priced at $91 just found
Southwest Airlines
Wed, Jan 28 - Sat, Jan 31
LAX
Los Angeles
SFO
San Francisco
$97 Roundtrip, just found
$97
Roundtrip
just found
Select Southwest Airlines flight, departing Wed, Jan 28 from Los Angeles to San Francisco, returning Sat, Jan 31, priced at $97 just found
Delta
Wed, Feb 4 - Thu, Feb 5
LAX
Los Angeles
SFO
San Francisco
$97 Roundtrip, just found
$97
Roundtrip
just found
Select Delta flight, departing Wed, Feb 4 from Los Angeles to San Francisco, returning Thu, Feb 5, priced at $97 just found
Alaska Airlines
Thu, Feb 19 - Mon, Feb 23
PAE
Seattle
SFO
San Francisco
$117 Roundtrip, just found
$117
Roundtrip
just found
Select Alaska Airlines flight, departing Thu, Feb 19 from Seattle to San Francisco, returning Mon, Feb 23, priced at $117 just found
Hawaiian Airlines
Sun, Feb 1 - Mon, Feb 23
PAE
Seattle
SFO
San Francisco
$117 Roundtrip, found 2 hours ago
$117
Roundtrip
found 2 hours ago
Select Hawaiian Airlines flight, departing Sun, Feb 1 from Seattle to San Francisco, returning Mon, Feb 23, priced at $117 found 2 hours ago
American Airlines
Thu, Jan 29 - Sun, Feb 1
CLD
Carlsbad
SFO
San Francisco
$158 Roundtrip, just found
$158
Roundtrip
just found
Select American Airlines flight, departing Thu, Jan 29 from Carlsbad to San Francisco, returning Sun, Feb 1, priced at $158 just found
American Airlines
Thu, Jan 29 - Mon, Feb 2
CLD
Carlsbad
SJC
San Jose
$158 Roundtrip, found 1 hour ago
$158
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Thu, Jan 29 from Carlsbad to San Jose, returning Mon, Feb 2, priced at $158 found 1 hour ago
Frontier Airlines
Wed, Jan 21 - Mon, Feb 2
DFW
Dallas
SJC
San Jose
$165 Roundtrip, found 5 days ago
$165
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Wed, Jan 21 from Dallas to San Jose, returning Mon, Feb 2, priced at $165 found 5 days ago

Airports in Contra Costa County

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to San Francisco Intl. SFO. Cheapest option available. Flights from $326
SFO
San Francisco Intl.
Cheapest
Flights from $326
Select flight to Norman Y. Mineta San Jose Intl. SJC. Flights from $409
SJC
Norman Y. Mineta San Jose Intl.
Flights from $409
Select flight to Oakland Intl. OAK. Flights from $365
OAK
Oakland Intl.
Flights from $365

Enjoy extra legroom, flight flexibility, and a seamless travel experience.

Contra Costa County Flights Information

Airlines serving
Frontier Airlines, American Airlines, United, Alaska Airlines, Southwest Airlines, Delta, Hawaiian Airlines
Roundtrip price
from $38

Trending flights to Contra Costa County

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

Frontier Airlines
Sat, Feb 28 - Sat, Feb 28
LAX
Los Angeles
SFO
San Francisco
$38 Roundtrip, just found
$38
Roundtrip
just found
Select Frontier Airlines flight, departing Sat, Feb 28 from Los Angeles to San Francisco, returning Sat, Feb 28, priced at $38 just found
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