Cheap flights to Contra Costa County

View €143 flight on Wed, 28 Oct 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 €143 for one-way flights and €437 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Fri, 3 Jul - Sat, 11 Jul
DAL
Dallas
SJC
San Jose
€437 Return, found 3 days ago
€437
Return
found 3 days ago
Select Delta flight, departing Fri, 3 Jul from Dallas to San Jose, returning Sat, 11 Jul, priced at €437 found 3 days ago
Iberia
Wed, 17 Jun - Thu, 25 Jun
DUB
Dublin
SJC
San Jose
€550 Return, found 4 days ago
€550
Return
found 4 days ago
Select Iberia flight, departing Wed, 17 Jun from Dublin to San Jose, returning Thu, 25 Jun, priced at €550 found 4 days ago
British Airways
Thu, 25 Jun - Mon, 29 Jun
DUB
Dublin
SFO
San Francisco
€561 Return, found 6 days ago
€561
Return
found 6 days ago
Select British Airways flight, departing Thu, 25 Jun from Dublin to San Francisco, returning Mon, 29 Jun, priced at €561 found 6 days ago
British Airways
Tue, 22 Dec - Tue, 5 Jan
DUB
Dublin
SFO
San Francisco
€585 Return, found 3 days ago
€585
Return
found 3 days ago
Select British Airways flight, departing Tue, 22 Dec from Dublin to San Francisco, returning Tue, 5 Jan, priced at €585 found 3 days ago
Finnair
Wed, 11 Nov - Sun, 22 Nov
DUB
Dublin
SJC
San Jose
€589 Return, found 19 hours ago
€589
Return
found 19 hours ago
Select Finnair flight, departing Wed, 11 Nov from Dublin to San Jose, returning Sun, 22 Nov, priced at €589 found 19 hours ago
Aer Lingus
Fri, 6 Nov - Fri, 13 Nov
DUB
Dublin
SFO
San Francisco
€596 Return, found 3 days ago
€596
Return
found 3 days ago
Select Aer Lingus flight, departing Fri, 6 Nov from Dublin to San Francisco, returning Fri, 13 Nov, priced at €596 found 3 days ago
American Airlines
Fri, 6 Nov - Wed, 11 Nov
DUB
Dublin
SFO
San Francisco
€601 Return, found 2 days ago
€601
Return
found 2 days ago
Select American Airlines flight, departing Fri, 6 Nov from Dublin to San Francisco, returning Wed, 11 Nov, priced at €601 found 2 days ago
JetBlue Airways
Thu, 27 Aug - Mon, 7 Sept
DUB
Dublin
SFO
San Francisco
€606 Return, found 9 hours ago
€606
Return
found 9 hours ago
Select JetBlue Airways flight, departing Thu, 27 Aug from Dublin to San Francisco, returning Mon, 7 Sept, priced at €606 found 9 hours ago
Delta
Thu, 9 Jul - Wed, 15 Jul
DAL
Dallas
SFO
San Francisco
€642 Return, found 6 days ago
€642
Return
found 6 days ago
Select Delta flight, departing Thu, 9 Jul from Dallas to San Francisco, returning Wed, 15 Jul, priced at €642 found 6 days ago
TAP Portugal
Tue, 15 Dec - Mon, 11 Jan
DUB
Dublin
SFO
San Francisco
€655 Return, found 2 days ago
€655
Return
found 2 days ago
Select TAP Portugal flight, departing Tue, 15 Dec from Dublin to San Francisco, returning Mon, 11 Jan, priced at €655 found 2 days ago
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.

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.

Iberia
Wed, 17 Jun - Thu, 25 Jun
DUB
Dublin
SJC
San Jose
€550 Return, found 4 days ago
€550
Return
found 4 days ago
Select Iberia flight, departing Wed, 17 Jun from Dublin to San Jose, returning Thu, 25 Jun, priced at €550 found 4 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 €437. 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 €437 and €655. If you were travelling one way out of Dallas (DAL), you could have picked up a bargain from just €143.
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 €437 to €655 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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