Contra Costa County Flights - Book Cheap Flights to Contra Costa County

View RM422 flight on Fri, 23 Jan 2026Opens in a new window

Popular airlines to Contra Costa County

  • American Airlines

    American Airlines

  • Delta

    Delta

  • United

    United

  • Alaska Airlines

    Alaska Airlines

  • Frontier Airlines

    Frontier Airlines

  • Southwest Airlines

    Southwest Airlines

  • JetBlue Airways

    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 RM422 for one-way flights and RM843 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Fri, 30 Jan - Sat, 31 Jan
BOS
Boston
SFO
San Francisco
RM843 Return, found 6 days ago
RM843
Return
found 6 days ago
Select Delta flight, departing Fri, 30 Jan from Boston to San Francisco, returning Sat, 31 Jan, priced at RM843 found 6 days ago
Delta
Fri, 30 Jan - Sat, 31 Jan
BOS
Boston
SFO
San Francisco
RM1,046 Return, found 6 days ago
RM1,046
Return
found 6 days ago
Select Delta flight, departing Fri, 30 Jan from Boston to San Francisco, returning Sat, 31 Jan, priced at RM1,046 found 6 days ago
Delta
Fri, 30 Jan - Sat, 31 Jan
BOS
Boston
SFO
San Francisco
RM1,087 Return, found 6 days ago
RM1,087
Return
found 6 days ago
Select Delta flight, departing Fri, 30 Jan from Boston to San Francisco, returning Sat, 31 Jan, priced at RM1,087 found 6 days ago
Delta
Fri, 30 Jan - Sun, 1 Feb
BOS
Boston
SFO
San Francisco
RM1,107 Return, found 6 days ago
RM1,107
Return
found 6 days ago
Select Delta flight, departing Fri, 30 Jan from Boston to San Francisco, returning Sun, 1 Feb, priced at RM1,107 found 6 days ago
American Airlines
Fri, 6 Feb - Sun, 8 Feb
BOS
Boston
SFO
San Francisco
RM1,109 Return, found 6 days ago
RM1,109
Return
found 6 days ago
Select American Airlines flight, departing Fri, 6 Feb from Boston to San Francisco, returning Sun, 8 Feb, priced at RM1,109 found 6 days ago
United
Fri, 6 Feb - Sun, 8 Feb
BOS
Boston
SFO
San Francisco
RM1,180 Return, found 6 days ago
RM1,180
Return
found 6 days ago
Select United flight, departing Fri, 6 Feb from Boston to San Francisco, returning Sun, 8 Feb, priced at RM1,180 found 6 days ago
Delta
Sat, 14 Mar - Mon, 23 Mar
BOS
Boston
SJC
San Jose
RM1,213 Return, found 1 day ago
RM1,213
Return
found 1 day ago
Select Delta flight, departing Sat, 14 Mar from Boston to San Jose, returning Mon, 23 Mar, priced at RM1,213 found 1 day ago
United
Fri, 6 Feb - Sun, 8 Feb
BOS
Boston
SFO
San Francisco
RM1,221 Return, found 6 days ago
RM1,221
Return
found 6 days ago
Select United flight, departing Fri, 6 Feb from Boston to San Francisco, returning Sun, 8 Feb, priced at RM1,221 found 6 days ago
Delta
Fri, 30 Jan - Sun, 1 Feb
BOS
Boston
SFO
San Francisco
RM1,222 Return, found 6 days ago
RM1,222
Return
found 6 days ago
Select Delta flight, departing Fri, 30 Jan from Boston to San Francisco, returning Sun, 1 Feb, priced at RM1,222 found 6 days ago
United
Fri, 30 Jan - Sat, 31 Jan
BOS
Boston
SFO
San Francisco
RM1,249 Return, found 6 days ago
RM1,249
Return
found 6 days ago
Select United flight, departing Fri, 30 Jan from Boston to San Francisco, returning Sat, 31 Jan, priced at RM1,249 found 6 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.

Vietnam Airlines
Sat, 9 May - Sun, 10 May
KUL
Kuala Lumpur
SFO
San Francisco
RM2,938 Return, found 1 day ago
RM2,938
Return
found 1 day ago
Select Vietnam Airlines flight, departing Sat, 9 May from Kuala Lumpur to San Francisco, returning Sun, 10 May, priced at RM2,938 found 1 day 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 RM843. 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 RM843 and RM2,938. If you were travelling one way out of Boston (BOS), you could have picked up a bargain from just RM422.
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 RM843 to RM2,938 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.

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About Contra Costa County

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About Contra Costa County

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