Photo by Jonathan

Popular airlines to Contra Costa County
Alaska Airlines
American Airlines
Delta
United
Frontier Airlines
Southwest Airlines
JetBlue Airways
Be in the know
Get alerts if flight prices drop or rise*
Book smarter
Save up to 40% on select hotels after you book a flight*
How much is the cheapest flight to Contra Costa County?
Prices were available within the past 7 days and start at ₩69,400 for one-way flights and ₩165,700 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Dec 3 - Wed, Dec 10
LAX
Los Angeles
SFO
San Francisco
₩165,700 Roundtrip, found 20 hours ago
₩165,700
Roundtrip
found 20 hours ago

Wed, Dec 3 - Wed, Dec 10
LAX
Los Angeles
SFO
San Francisco
₩166,200 Roundtrip, found 20 hours ago
₩166,200
Roundtrip
found 20 hours ago

Fri, Dec 5 - Mon, Dec 8
LAX
Los Angeles
SJC
San Jose
₩180,200 Roundtrip, found 6 days ago
₩180,200
Roundtrip
found 6 days ago

Wed, Dec 3 - Wed, Dec 10
ONT
Ontario
SFO
San Francisco
₩194,600 Roundtrip, found 20 hours ago
₩194,600
Roundtrip
found 20 hours ago

Wed, Dec 3 - Wed, Dec 10
LAX
Los Angeles
SFO
San Francisco
₩251,300 Roundtrip, found 20 hours ago
₩251,300
Roundtrip
found 20 hours ago

Fri, Dec 5 - Mon, Dec 8
ONT
Ontario
SJC
San Jose
₩451,400 Roundtrip, found 6 days ago
₩451,400
Roundtrip
found 6 days ago

Sun, Dec 21 - Thu, Jan 1
ICN
Seoul
SFO
San Francisco
₩636,600 Roundtrip, found 8 hours ago
₩636,600
Roundtrip
found 8 hours ago

Thu, Oct 23 - Sat, Nov 8
ICN
Seoul
SFO
San Francisco
₩648,600 Roundtrip, found 1 hour ago
₩648,600
Roundtrip
found 1 hour ago

Sat, Nov 1 - Sun, Nov 2
ICN
Seoul
SJC
San Jose
₩694,200 Roundtrip, found 1 day ago
₩694,200
Roundtrip
found 1 day ago

Wed, Apr 15 - Wed, Apr 29
ICN
Seoul
SFO
San Francisco
₩697,200 Roundtrip, found 1 hour ago
₩697,200
Roundtrip
found 1 hour ago
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.

Sun, Dec 21 - Thu, Jan 1
ICN
Seoul
SFO
San Francisco
₩636,600 Roundtrip, found 8 hours ago
₩636,600
Roundtrip
found 8 hours ago
Frequently asked questions
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.
Explore a world of travel with Expedia
Top Flight Destinations In Contra Costa County
Top Flight Destinations In the World
- Flights to Italy
- Flights to Switzerland
- Flights to South Korea
- Flights to Mexico
- Flights to Australia
- Flights to India
- Flights to Türkiye
- Flights to Spain
- Flights to Russia
- Flights to Germany
- Flights to China
- Flights to France
- Flights to United Kingdom
- Flights to Philippines
- Flights to Thailand
- Flights to Japan
- Flights to Greece
- Flights to Colombia
- Flights to Norway
- Flights to Brazil
*Available to Expedia members.