Cheap flights to Contra Costa County

Popular airlines to Contra Costa County

  • Alaska Airlines

    Alaska Airlines

  • American Airlines

    American Airlines

  • Delta

    Delta

  • United

    United

  • Frontier Airlines

    Frontier Airlines

  • Southwest Airlines

    Southwest Airlines

  • Spirit Airlines

    Spirit Airlines

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 15% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Popular cities in Contra Costa County

FlightsFlights

Walnut Creek

Walnut Creek
FlightsFlights

San Ramon

San Ramon

Cheap round-trip flights to Contra Costa County

Prices were available within the past 7 days and start at €98 for one-way flights and €204 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Mon, 22 Sep - Mon, 29 Sep
JFK
New York
SFO
San Francisco
€204 Return, found 2 days ago
€204
Return
found 2 days ago
Select American Airlines flight, departing Mon, 22 Sep from New York to San Francisco, returning Mon, 29 Sep, priced at €204 found 2 days ago
JetBlue Airways
Mon, 22 Sep - Mon, 29 Sep
JFK
New York
SFO
San Francisco
€204 Return, found 2 days ago
€204
Return
found 2 days ago
Select JetBlue Airways flight, departing Mon, 22 Sep from New York to San Francisco, returning Mon, 29 Sep, priced at €204 found 2 days ago
Delta
Sat, 30 Aug - Fri, 5 Sep
JFK
New York
SFO
San Francisco
€206 Return, found 6 days ago
€206
Return
found 6 days ago
Select Delta flight, departing Sat, 30 Aug from New York to San Francisco, returning Fri, 5 Sep, priced at €206 found 6 days ago
American Airlines
Sat, 27 Sep - Wed, 1 Oct
JFK
New York
SJC
San Jose
€214 Return, found 3 days ago
€214
Return
found 3 days ago
Select American Airlines flight, departing Sat, 27 Sep from New York to San Jose, returning Wed, 1 Oct, priced at €214 found 3 days ago
American Airlines
Wed, 10 Dec - Sat, 13 Dec
EWR
New York
SJC
San Jose
€217 Return, found 4 days ago
€217
Return
found 4 days ago
Select American Airlines flight, departing Wed, 10 Dec from New York to San Jose, returning Sat, 13 Dec, priced at €217 found 4 days ago
American Airlines
Sat, 20 Sep - Sat, 27 Sep
EWR
New York
SFO
San Francisco
€228 Return, found 3 days ago
€228
Return
found 3 days ago
Select American Airlines flight, departing Sat, 20 Sep from New York to San Francisco, returning Sat, 27 Sep, priced at €228 found 3 days ago
United
Wed, 8 Oct - Tue, 14 Oct
EWR
New York
SFO
San Francisco
€306 Return, found 2 days ago
€306
Return
found 2 days ago
Select United flight, departing Wed, 8 Oct from New York to San Francisco, returning Tue, 14 Oct, priced at €306 found 2 days ago
Delta
Sat, 20 Sep - Sat, 27 Sep
EWR
New York
OAK
Oakland
€309 Return, found 4 days ago
€309
Return
found 4 days ago
Select Delta flight, departing Sat, 20 Sep from New York to Oakland, returning Sat, 27 Sep, priced at €309 found 4 days ago
Delta
Fri, 26 Sep - Tue, 30 Sep
JFK
New York
OAK
Oakland
€376 Return, found 6 days ago
€376
Return
found 6 days ago
Select Delta flight, departing Fri, 26 Sep from New York to Oakland, returning Tue, 30 Sep, priced at €376 found 6 days ago
TAP Portugal
Fri, 30 Jan - Fri, 6 Feb
DUB
Dublin
SFO
San Francisco
€393 Return, found 3 days ago
€393
Return
found 3 days ago
Select TAP Portugal flight, departing Fri, 30 Jan from Dublin to San Francisco, returning Fri, 6 Feb, priced at €393 found 3 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 €204. 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 €204 and €393. If you were travelling one way out of New York (JFK), you could have picked up a bargain from just €98.
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 €204 to €393 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.

TAP Portugal
Fri, 30 Jan - Fri, 6 Feb
DUB
Dublin
SFO
San Francisco
€393 Return, found 3 days ago
€393
Return
found 3 days ago
Select TAP Portugal flight, departing Fri, 30 Jan from Dublin to San Francisco, returning Fri, 6 Feb, priced at €393 found 3 days ago
*Available to Expedia members.