Cheap flights to Contra Costa County

View €67 flight on Tue, 31 Mar 2026Opens in a new window

Popular airlines to Contra Costa County

  • Alaska Airlines

  • American Airlines

  • Delta

  • United

  • Frontier Airlines

  • Southwest Airlines

  • JetBlue Airways

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Cheap round-trip flights to Contra Costa County

Prices were available within the past 7 days and start at €67 for one-way flights and €135 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Thu, 16 Apr - Sun, 19 Apr
SAN
San Diego
SFO
San Francisco
€135 Return, found 2 days ago
€135
Return
found 2 days ago
Select Delta flight, departing Thu, 16 Apr from San Diego to San Francisco, returning Sun, 19 Apr, priced at €135 found 2 days ago
United
Fri, 15 May - Sat, 16 May
SAN
San Diego
SFO
San Francisco
€150 Return, found 6 days ago
€150
Return
found 6 days ago
Select United flight, departing Fri, 15 May from San Diego to San Francisco, returning Sat, 16 May, priced at €150 found 6 days ago
American Airlines
Thu, 16 Apr - Mon, 20 Apr
CLD
Carlsbad
SFO
San Francisco
€154 Return, found 2 days ago
€154
Return
found 2 days ago
Select American Airlines flight, departing Thu, 16 Apr from Carlsbad to San Francisco, returning Mon, 20 Apr, priced at €154 found 2 days ago
Alaska Airlines
Sat, 18 Apr - Sun, 19 Apr
SAN
San Diego
SJC
San Jose
€161 Return, found 4 hours ago
€161
Return
found 4 hours ago
Select Alaska Airlines flight, departing Sat, 18 Apr from San Diego to San Jose, returning Sun, 19 Apr, priced at €161 found 4 hours ago
American Airlines
Sat, 18 Apr - Sun, 19 Apr
CLD
Carlsbad
SJC
San Jose
€172 Return, found 4 hours ago
€172
Return
found 4 hours ago
Select American Airlines flight, departing Sat, 18 Apr from Carlsbad to San Jose, returning Sun, 19 Apr, priced at €172 found 4 hours ago
Delta
Sun, 24 May - Mon, 25 May
SAN
San Diego
OAK
Oakland
€304 Return, found 5 days ago
€304
Return
found 5 days ago
Select Delta flight, departing Sun, 24 May from San Diego to Oakland, returning Mon, 25 May, priced at €304 found 5 days ago
Aer Lingus
Wed, 25 Nov - Sun, 29 Nov
DUB
Dublin
SFO
San Francisco
€451 Return, found 2 days ago
€451
Return
found 2 days ago
Select Aer Lingus flight, departing Wed, 25 Nov from Dublin to San Francisco, returning Sun, 29 Nov, priced at €451 found 2 days ago
British Airways
Wed, 11 Mar - Sun, 12 Apr
DUB
Dublin
SFO
San Francisco
€477 Return, found 3 days ago
€477
Return
found 3 days ago
Select British Airways flight, departing Wed, 11 Mar from Dublin to San Francisco, returning Sun, 12 Apr, priced at €477 found 3 days ago
Scandinavian Airlines
Sun, 15 Mar - Mon, 23 Mar
DUB
Dublin
SFO
San Francisco
€480 Return, found 2 days ago
€480
Return
found 2 days ago
Select Scandinavian Airlines flight, departing Sun, 15 Mar from Dublin to San Francisco, returning Mon, 23 Mar, priced at €480 found 2 days ago
Iberia
Fri, 24 Apr - Tue, 28 Apr
DUB
Dublin
SFO
San Francisco
€487 Return, found 2 days ago
€487
Return
found 2 days ago
Select Iberia flight, departing Fri, 24 Apr from Dublin to San Francisco, returning Tue, 28 Apr, priced at €487 found 2 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.

Aer Lingus
Wed, 25 Nov - Sun, 29 Nov
DUB
Dublin
SFO
San Francisco
€451 Return, found 2 days ago
€451
Return
found 2 days ago
Select Aer Lingus flight, departing Wed, 25 Nov from Dublin to San Francisco, returning Sun, 29 Nov, priced at €451 found 2 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 €135. 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 €135 and €487. If you were travelling one way out of San Diego (SAN), you could have picked up a bargain from just €67.
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 €135 to €487 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

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About Contra Costa County

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