Cheap flights to Contra Costa County

View €327 flight on Tue, 1 Sept 2026Opens in a new window

Flight 1

Flight 2

Popular airlines to Contra Costa County

  • Alaska Airlines

  • American Airlines

  • Delta

  • United

  • Frontier Airlines

  • JetBlue Airways

  • Southwest Airlines

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

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

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap round-trip flights to Contra Costa County

Prices were available within the past 7 days and start at €327 for one-way flights and €509 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Swiss International Air Lines
Fri, 28 Aug - Sun, 6 Sept
LGW
London
SFO
San Francisco
€509 Return, found 14 hours ago
€509
Return
found 14 hours ago
Select Swiss International Air Lines flight, departing Fri, 28 Aug from London to San Francisco, returning Sun, 6 Sept, priced at €509 found 14 hours ago
Swiss International Air Lines
Sat, 13 Jun - Mon, 29 Jun
LHR
London
SFO
San Francisco
€509 Return, found 9 hours ago
€509
Return
found 9 hours ago
Select Swiss International Air Lines flight, departing Sat, 13 Jun from London to San Francisco, returning Mon, 29 Jun, priced at €509 found 9 hours ago
Lufthansa
Fri, 28 Aug - Sun, 6 Sept
LHR
London
SFO
San Francisco
€514 Return, found 14 hours ago
€514
Return
found 14 hours ago
Select Lufthansa flight, departing Fri, 28 Aug from London to San Francisco, returning Sun, 6 Sept, priced at €514 found 14 hours ago
British Airways
Thu, 22 Oct - Tue, 27 Oct
LHR
London
SFO
San Francisco
€520 Return, found 3 days ago
€520
Return
found 3 days ago
Select British Airways flight, departing Thu, 22 Oct from London to San Francisco, returning Tue, 27 Oct, priced at €520 found 3 days ago
United
Tue, 1 Dec - Sun, 13 Dec
LHR
London
SFO
San Francisco
€534 Return, found 23 hours ago
€534
Return
found 23 hours ago
Select United flight, departing Tue, 1 Dec from London to San Francisco, returning Sun, 13 Dec, priced at €534 found 23 hours ago
British Airways
Thu, 22 Oct - Tue, 27 Oct
LHR
London
SFO
San Francisco
€541 Return, found 3 days ago
€541
Return
found 3 days ago
Select British Airways flight, departing Thu, 22 Oct from London to San Francisco, returning Tue, 27 Oct, priced at €541 found 3 days ago
Brussels Airlines
Sat, 13 Jun - Mon, 29 Jun
LHR
London
SFO
San Francisco
€541 Return, found 9 hours ago
€541
Return
found 9 hours ago
Select Brussels Airlines flight, departing Sat, 13 Jun from London to San Francisco, returning Mon, 29 Jun, priced at €541 found 9 hours ago
Austrian Airlines
Sat, 13 Jun - Mon, 29 Jun
LHR
London
SFO
San Francisco
€541 Return, found 9 hours ago
€541
Return
found 9 hours ago
Select Austrian Airlines flight, departing Sat, 13 Jun from London to San Francisco, returning Mon, 29 Jun, priced at €541 found 9 hours 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
Finnair
Thu, 22 Oct - Tue, 27 Oct
LHR
London
SFO
San Francisco
€561 Return, found 3 days ago
€561
Return
found 3 days ago
Select Finnair flight, departing Thu, 22 Oct from London to San Francisco, returning Tue, 27 Oct, priced at €561 found 3 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 €509. 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 €509 and €561. If you were travelling one way out of Dublin (DUB), you could have picked up a bargain from just €327.
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 €509 to €561 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
*Available to Expedia members.