Cheap Flights to Contra Costa County from ₩605,300

View ₩605,300 flight on Wed, Nov 18, 2026Opens in a new window

Popular airlines to Contra Costa County

  • Alaska Airlines

  • Frontier Airlines

  • American Airlines

  • Delta

  • United

  • JetBlue Airways

  • Southwest Airlines

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 40% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

How much is the cheapest flight to Contra Costa County?

Prices were available within the past 7 days and start at ₩605,300 for one-way flights and ₩1,190,300 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Oct 6 - Thu, Nov 5
SGN
Ho Chi Minh City
SFO
San Francisco
₩1,190,300 Roundtrip, found 1 day ago
₩1,190,300
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Oct 6 from Ho Chi Minh City to San Francisco, returning Thu, Nov 5, priced at ₩1,190,300 found 1 day ago
Korean Air
Wed, Dec 16 - Wed, Jan 13
DAD
Da Nang
SFO
San Francisco
₩1,192,700 Roundtrip, found 16 hours ago
₩1,192,700
Roundtrip
found 16 hours ago
Select Korean Air flight, departing Wed, Dec 16 from Da Nang to San Francisco, returning Wed, Jan 13, priced at ₩1,192,700 found 16 hours ago
Korean Air
Sun, Dec 13 - Sun, Jan 3
SGN
Ho Chi Minh City
SFO
San Francisco
₩1,192,700 Roundtrip, found 16 hours ago
₩1,192,700
Roundtrip
found 16 hours ago
Select Korean Air flight, departing Sun, Dec 13 from Ho Chi Minh City to San Francisco, returning Sun, Jan 3, priced at ₩1,192,700 found 16 hours ago
Philippine Airlines
Tue, Oct 27 - Sat, Nov 7
ICN
Seoul
SFO
San Francisco
₩1,237,100 Roundtrip, just found
₩1,237,100
Roundtrip
just found
Select Philippine Airlines flight, departing Tue, Oct 27 from Seoul to San Francisco, returning Sat, Nov 7, priced at ₩1,237,100 just found
United
Fri, Feb 12 - Sat, Feb 20
ICN
Seoul
SFO
San Francisco
₩1,277,900 Roundtrip, just found
₩1,277,900
Roundtrip
just found
Select United flight, departing Fri, Feb 12 from Seoul to San Francisco, returning Sat, Feb 20, priced at ₩1,277,900 just found
United
Fri, Feb 12 - Sat, Feb 20
ICN
Seoul
SFO
San Francisco
₩1,277,900 Roundtrip, just found
₩1,277,900
Roundtrip
just found
Select United flight, departing Fri, Feb 12 from Seoul to San Francisco, returning Sat, Feb 20, priced at ₩1,277,900 just found
Philippine Airlines
Sun, Aug 16 - Thu, Aug 20
ICN
Seoul
SFO
San Francisco
₩1,288,800 Roundtrip, found 1 hour ago
₩1,288,800
Roundtrip
found 1 hour ago
Select Philippine Airlines flight, departing Sun, Aug 16 from Seoul to San Francisco, returning Thu, Aug 20, priced at ₩1,288,800 found 1 hour ago
Singapore Airlines
Fri, Oct 16 - Fri, Nov 13
DAD
Da Nang
SFO
San Francisco
₩1,310,400 Roundtrip, found 17 hours ago
₩1,310,400
Roundtrip
found 17 hours ago
Select Singapore Airlines flight, departing Fri, Oct 16 from Da Nang to San Francisco, returning Fri, Nov 13, priced at ₩1,310,400 found 17 hours ago
Air Canada
Tue, Jul 7 - Wed, Aug 19
ICN
Seoul
SFO
San Francisco
₩1,320,800 Roundtrip, found 1 day ago
₩1,320,800
Roundtrip
found 1 day ago
Select Air Canada flight, departing Tue, Jul 7 from Seoul to San Francisco, returning Wed, Aug 19, priced at ₩1,320,800 found 1 day ago
Air Premia
Wed, Sep 9 - Wed, Oct 7
ICN
Seoul
SFO
San Francisco
₩1,339,400 Roundtrip, just found
₩1,339,400
Roundtrip
just found
Select Air Premia flight, departing Wed, Sep 9 from Seoul to San Francisco, returning Wed, Oct 7, priced at ₩1,339,400 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.

Philippine Airlines
Tue, Oct 27 - Sat, Nov 7
ICN
Seoul
SFO
San Francisco
₩1,237,100 Roundtrip, just found
₩1,237,100
Roundtrip
just found
Select Philippine Airlines flight, departing Tue, Oct 27 from Seoul to San Francisco, returning Sat, Nov 7, priced at ₩1,237,100 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 ₩1,190,300. 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 ₩1,190,300 and ₩1,339,400. If you were traveling one way out of Da Nang (DAD), you could have picked up a bargain from just ₩605,300.
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 ₩1,190,300 to ₩1,339,400 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.

Book with confidence

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
*Available to Expedia members.