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

Cheap flights to Contra Costa County

View €104 flight on Sat, 5 Sept 2026Opens in a new window

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 €104 for one-way flights and €208 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, 5 Sept - Fri, 11 Sept
ORD
Chicago
SFO
San Francisco
€208 Return, found 1 day ago
€208
Return
found 1 day ago
Select American Airlines flight, departing Sat, 5 Sept from Chicago to San Francisco, returning Fri, 11 Sept, priced at €208 found 1 day ago
American Airlines
Thu, 13 Aug - Wed, 19 Aug
ORD
Chicago
SFO
San Francisco
€221 Return, found 5 hours ago
€221
Return
found 5 hours ago
Select American Airlines flight, departing Thu, 13 Aug from Chicago to San Francisco, returning Wed, 19 Aug, priced at €221 found 5 hours ago
American Airlines
Sat, 29 Aug - Sat, 5 Sept
ORD
Chicago
SFO
San Francisco
€222 Return, found 6 days ago
€222
Return
found 6 days ago
Select American Airlines flight, departing Sat, 29 Aug from Chicago to San Francisco, returning Sat, 5 Sept, priced at €222 found 6 days ago
Delta
Sat, 5 Sept - Fri, 11 Sept
ORD
Chicago
SJC
San Jose
€225 Return, found 1 day ago
€225
Return
found 1 day ago
Select Delta flight, departing Sat, 5 Sept from Chicago to San Jose, returning Fri, 11 Sept, priced at €225 found 1 day ago
Delta
Sat, 5 Sept - Fri, 11 Sept
ORD
Chicago
SFO
San Francisco
€225 Return, found 1 day ago
€225
Return
found 1 day ago
Select Delta flight, departing Sat, 5 Sept from Chicago to San Francisco, returning Fri, 11 Sept, priced at €225 found 1 day ago
Delta
Sat, 5 Sept - Tue, 8 Sept
ORD
Chicago
SFO
San Francisco
€230 Return, found 5 days ago
€230
Return
found 5 days ago
Select Delta flight, departing Sat, 5 Sept from Chicago to San Francisco, returning Tue, 8 Sept, priced at €230 found 5 days ago
Delta
Sat, 15 Aug - Mon, 24 Aug
ORD
Chicago
SFO
San Francisco
€235 Return, found 5 days ago
€235
Return
found 5 days ago
Select Delta flight, departing Sat, 15 Aug from Chicago to San Francisco, returning Mon, 24 Aug, priced at €235 found 5 days ago
United
Thu, 13 Aug - Wed, 19 Aug
ORD
Chicago
SFO
San Francisco
€265 Return, found 5 hours ago
€265
Return
found 5 hours ago
Select United flight, departing Thu, 13 Aug from Chicago to San Francisco, returning Wed, 19 Aug, priced at €265 found 5 hours ago
JetBlue Airways
Tue, 10 Nov - Tue, 17 Nov
JFK
New York
SFO
San Francisco
€289 Return, found 10 hours ago
€289
Return
found 10 hours ago
Select JetBlue Airways flight, departing Tue, 10 Nov from New York to San Francisco, returning Tue, 17 Nov, priced at €289 found 10 hours ago
Turkish Airlines
Mon, 24 Aug - Mon, 7 Sept
DOH
Doha
SFO
San Francisco
€1,260 Return, found 4 days ago
€1,260
Return
found 4 days ago
Select Turkish Airlines flight, departing Mon, 24 Aug from Doha to San Francisco, returning Mon, 7 Sept, priced at €1,260 found 4 days 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.

Scandinavian Airlines
Sat, 21 Nov - Wed, 25 Nov
DUB
Dublin
SFO
San Francisco
€522 Return, found 6 days ago
€522
Return
found 6 days ago
Select Scandinavian Airlines flight, departing Sat, 21 Nov from Dublin to San Francisco, returning Wed, 25 Nov, priced at €522 found 6 days 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 €208. 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 €208 and €1,260. If you were travelling one way out of Chicago (ORD), you could have picked up a bargain from just €104.
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 €208 to €1,260 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 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.
About Contra Costa County
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