A coastal pathway with lush greenery and purple flowers, leading to a view of the ocean and distant cityscape.

Cheap Flights to Contra Costa County from ₩83,800

View ₩83,800 flight on Fri, Oct 30, 2026Opens in a new window

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Popular airlines to Contra Costa County

  • Alaska Airlines

  • American Airlines

  • United

  • Delta

  • Frontier Airlines

  • JetBlue Airways

  • Southwest Airlines

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How much is the cheapest flight to Contra Costa County?

Prices were available within the past 7 days and start at ₩83,800 for one-way flights and ₩162,600 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Thu, Aug 20 - Thu, Aug 20
LAX
Los Angeles
SJC
San Jose
₩162,600 Roundtrip, found 6 days ago
₩162,600
Roundtrip
found 6 days ago
Select Delta flight, departing Thu, Aug 20 from Los Angeles to San Jose, returning Thu, Aug 20, priced at ₩162,600 found 6 days ago
Delta
Fri, Oct 30 - Sat, Nov 14
LAX
Los Angeles
SFO
San Francisco
₩191,800 Roundtrip, found 6 hours ago
₩191,800
Roundtrip
found 6 hours ago
Select Delta flight, departing Fri, Oct 30 from Los Angeles to San Francisco, returning Sat, Nov 14, priced at ₩191,800 found 6 hours ago
Alaska Airlines
Thu, Jan 28 - Thu, Jan 28
LAX
Los Angeles
SFO
San Francisco
₩208,300 Roundtrip, found 3 days ago
₩208,300
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Thu, Jan 28 from Los Angeles to San Francisco, returning Thu, Jan 28, priced at ₩208,300 found 3 days ago
Southwest Airlines
Fri, Oct 30 - Sat, Nov 14
LAX
Los Angeles
SFO
San Francisco
₩219,500 Roundtrip, found 6 hours ago
₩219,500
Roundtrip
found 6 hours ago
Select Southwest Airlines flight, departing Fri, Oct 30 from Los Angeles to San Francisco, returning Sat, Nov 14, priced at ₩219,500 found 6 hours ago
American Airlines
Fri, Oct 30 - Sat, Nov 14
LAX
Los Angeles
SFO
San Francisco
₩291,900 Roundtrip, found 6 hours ago
₩291,900
Roundtrip
found 6 hours ago
Select American Airlines flight, departing Fri, Oct 30 from Los Angeles to San Francisco, returning Sat, Nov 14, priced at ₩291,900 found 6 hours ago
United
Fri, Oct 30 - Sat, Nov 14
LAX
Los Angeles
SFO
San Francisco
₩291,900 Roundtrip, found 6 hours ago
₩291,900
Roundtrip
found 6 hours ago
Select United flight, departing Fri, Oct 30 from Los Angeles to San Francisco, returning Sat, Nov 14, priced at ₩291,900 found 6 hours ago
Delta
Thu, Aug 27 - Sat, Sep 5
BWI
Baltimore
SFO
San Francisco
₩523,600 Roundtrip, found 1 day ago
₩523,600
Roundtrip
found 1 day ago
Select Delta flight, departing Thu, Aug 27 from Baltimore to San Francisco, returning Sat, Sep 5, priced at ₩523,600 found 1 day ago
American Airlines
Thu, Aug 6 - Thu, Aug 13
BWI
Baltimore
SJC
San Jose
₩839,200 Roundtrip, found 17 hours ago
₩839,200
Roundtrip
found 17 hours ago
Select American Airlines flight, departing Thu, Aug 6 from Baltimore to San Jose, returning Thu, Aug 13, priced at ₩839,200 found 17 hours ago
United
Wed, Feb 10 - Wed, Feb 24
ICN
Seoul
SFO
San Francisco
₩955,400 Roundtrip, just found
₩955,400
Roundtrip
just found
Select United flight, departing Wed, Feb 10 from Seoul to San Francisco, returning Wed, Feb 24, priced at ₩955,400 just found
Air Canada
Sun, Sep 13 - Sun, Oct 25
ICN
Seoul
SFO
San Francisco
₩998,500 Roundtrip, just found
₩998,500
Roundtrip
just found
Select Air Canada flight, departing Sun, Sep 13 from Seoul to San Francisco, returning Sun, Oct 25, priced at ₩998,500 just found

Trending flights to Contra Costa County

These prices were available within the past 7 days. Prices quoted are per person, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, Feb 10 - Wed, Feb 24
ICN
Seoul
SFO
San Francisco
₩955,400 Roundtrip, just found
₩955,400
Roundtrip
just found
Select United flight, departing Wed, Feb 10 from Seoul to San Francisco, returning Wed, Feb 24, priced at ₩955,400 just found

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 ₩162,600. 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 ₩162,600 and ₩998,500. If you were traveling one way out of Los Angeles (LAX), you could have picked up a bargain from just ₩83,800.
What are the most popular airports to fly into in Contra Costa County?
San Francisco Intl. Airport (SFO) is the primary gateway for many traveling to Contra Costa County. Around 11,935 flights each month touch down here.
When is the cheapest time to fly to Contra Costa County?
If you can be flexible with what day you jet off to Contra Costa County, fly out early on in the week. The most economical day to take off is normally Tuesday, followed by Monday. Saturday is typically the costliest day, with lots of vacationers preferring to fly on weekends.
How much is a plane ticket to Contra Costa County?
Plane tickets to Contra Costa County varied from ₩162,600 to ₩998,500 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 55ºF to 80ºF 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

Expedia offers flights to Contra Costa County to meet every traveler'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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