Cheap flights to Contra Costa County

View €310 flight on Sun, 3 May 2026Opens in a new window

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Cheap round-trip flights to Contra Costa County

Prices were available within the past 7 days and start at €310 for one-way flights and €395 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

TAP Portugal
Mon, 9 Feb - Wed, 18 Feb
DUB
Dublin
SFO
San Francisco
€395 Return, found 6 hours ago
€395
Return
found 6 hours ago
Select TAP Portugal flight, departing Mon, 9 Feb from Dublin to San Francisco, returning Wed, 18 Feb, priced at €395 found 6 hours ago
Scandinavian Airlines
Wed, 4 Mar - Mon, 9 Mar
DUB
Dublin
SFO
San Francisco
€431 Return, just found
€431
Return
just found
Select Scandinavian Airlines flight, departing Wed, 4 Mar from Dublin to San Francisco, returning Mon, 9 Mar, priced at €431 just found
Delta
Tue, 10 Mar - Tue, 17 Mar
ELM
Elmira
OAK
Oakland
€433 Return, found 18 hours ago
€433
Return
found 18 hours ago
Select Delta flight, departing Tue, 10 Mar from Elmira to Oakland, returning Tue, 17 Mar, priced at €433 found 18 hours ago
British Airways
Wed, 11 Feb - Fri, 27 Feb
DUB
Dublin
SFO
San Francisco
€438 Return, found 6 days ago
€438
Return
found 6 days ago
Select British Airways flight, departing Wed, 11 Feb from Dublin to San Francisco, returning Fri, 27 Feb, priced at €438 found 6 days ago
Iberia
Mon, 9 Nov - Wed, 18 Nov
DUB
Dublin
SFO
San Francisco
€443 Return, found 3 days ago
€443
Return
found 3 days ago
Select Iberia flight, departing Mon, 9 Nov from Dublin to San Francisco, returning Wed, 18 Nov, priced at €443 found 3 days ago
KLM
Sat, 28 Feb - Sun, 15 Mar
DUB
Dublin
SFO
San Francisco
€444 Return, found 5 days ago
€444
Return
found 5 days ago
Select KLM flight, departing Sat, 28 Feb from Dublin to San Francisco, returning Sun, 15 Mar, priced at €444 found 5 days ago
Air France
Mon, 2 Feb - Sun, 1 Mar
DUB
Dublin
SFO
San Francisco
€445 Return, found 2 days ago
€445
Return
found 2 days ago
Select Air France flight, departing Mon, 2 Feb from Dublin to San Francisco, returning Sun, 1 Mar, priced at €445 found 2 days ago
Aer Lingus
Sat, 24 Jan - Mon, 2 Feb
DUB
Dublin
SFO
San Francisco
€450 Return, found 4 days ago
€450
Return
found 4 days ago
Select Aer Lingus flight, departing Sat, 24 Jan from Dublin to San Francisco, returning Mon, 2 Feb, priced at €450 found 4 days ago
American Airlines
Wed, 4 Mar - Mon, 9 Mar
DUB
Dublin
SFO
San Francisco
€455 Return, just found
€455
Return
just found
Select American Airlines flight, departing Wed, 4 Mar from Dublin to San Francisco, returning Mon, 9 Mar, priced at €455 just found
Iberia
Fri, 18 Sept - Tue, 22 Sept
DUB
Dublin
SJC
San Jose
€486 Return, found 4 days ago
€486
Return
found 4 days ago
Select Iberia flight, departing Fri, 18 Sept from Dublin to San Jose, returning Tue, 22 Sept, priced at €486 found 4 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 €395. 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 €395 and €528. If you were travelling one way out of Dublin (DUB), you could have picked up a bargain from just €310.
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 €395 to €528 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
Mon, 9 Feb - Wed, 18 Feb
DUB
Dublin
SFO
San Francisco
€395 Return, found 6 hours ago
€395
Return
found 6 hours ago
Select TAP Portugal flight, departing Mon, 9 Feb from Dublin to San Francisco, returning Wed, 18 Feb, priced at €395 found 6 hours ago
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