Cheap Flights to Contra Costa County from ₩515,900

View ₩515,900 flight on Sun, May 17, 2026Opens in a new window

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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 ₩515,900 for one-way flights and ₩665,800 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Sat, Oct 10 - Sun, Oct 18
ICN
Seoul
SFO
San Francisco
₩665,800 Roundtrip, found 2 hours ago
₩665,800
Roundtrip
found 2 hours ago
Select Air Canada flight, departing Sat, Oct 10 from Seoul to San Francisco, returning Sun, Oct 18, priced at ₩665,800 found 2 hours ago
Alaska Airlines
Wed, May 27 - Sun, May 31
ICN
Seoul
SFO
San Francisco
₩841,300 Roundtrip, found 6 days ago
₩841,300
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Wed, May 27 from Seoul to San Francisco, returning Sun, May 31, priced at ₩841,300 found 6 days ago
Philippine Airlines
Mon, Sep 14 - Tue, Sep 29
ICN
Seoul
SFO
San Francisco
₩869,200 Roundtrip, found 9 hours ago
₩869,200
Roundtrip
found 9 hours ago
Select Philippine Airlines flight, departing Mon, Sep 14 from Seoul to San Francisco, returning Tue, Sep 29, priced at ₩869,200 found 9 hours ago
United
Thu, Sep 10 - Mon, Sep 14
ICN
Seoul
SJC
San Jose
₩880,900 Roundtrip, found 6 days ago
₩880,900
Roundtrip
found 6 days ago
Select United flight, departing Thu, Sep 10 from Seoul to San Jose, returning Mon, Sep 14, priced at ₩880,900 found 6 days ago
United
Sat, Oct 10 - Sun, Oct 18
ICN
Seoul
SFO
San Francisco
₩906,600 Roundtrip, found 2 hours ago
₩906,600
Roundtrip
found 2 hours ago
Select United flight, departing Sat, Oct 10 from Seoul to San Francisco, returning Sun, Oct 18, priced at ₩906,600 found 2 hours ago
United
Wed, Sep 9 - Wed, Sep 30
SGN
Ho Chi Minh City
SFO
San Francisco
₩978,500 Roundtrip, found 19 hours ago
₩978,500
Roundtrip
found 19 hours ago
Select United flight, departing Wed, Sep 9 from Ho Chi Minh City to San Francisco, returning Wed, Sep 30, priced at ₩978,500 found 19 hours ago
China Airlines
Thu, Jun 18 - Thu, Jul 16
DAD
Da Nang
SFO
San Francisco
₩999,900 Roundtrip, found 21 hours ago
₩999,900
Roundtrip
found 21 hours ago
Select China Airlines flight, departing Thu, Jun 18 from Da Nang to San Francisco, returning Thu, Jul 16, priced at ₩999,900 found 21 hours ago
Air Premia
Wed, Apr 22 - Sun, Apr 26
ICN
Seoul
SFO
San Francisco
₩1,007,800 Roundtrip, found 3 hours ago
₩1,007,800
Roundtrip
found 3 hours ago
Select Air Premia flight, departing Wed, Apr 22 from Seoul to San Francisco, returning Sun, Apr 26, priced at ₩1,007,800 found 3 hours ago
Korean Air
Sat, Sep 5 - Sat, Oct 3
DAD
Da Nang
SFO
San Francisco
₩1,068,600 Roundtrip, found 19 hours ago
₩1,068,600
Roundtrip
found 19 hours ago
Select Korean Air flight, departing Sat, Sep 5 from Da Nang to San Francisco, returning Sat, Oct 3, priced at ₩1,068,600 found 19 hours ago
Delta
Tue, Sep 1 - Tue, Sep 29
DAD
Da Nang
SFO
San Francisco
₩1,071,300 Roundtrip, found 19 hours ago
₩1,071,300
Roundtrip
found 19 hours ago
Select Delta flight, departing Tue, Sep 1 from Da Nang to San Francisco, returning Tue, Sep 29, priced at ₩1,071,300 found 19 hours ago

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.

Air Canada
Sat, Oct 10 - Sun, Oct 18
ICN
Seoul
SFO
San Francisco
₩665,800 Roundtrip, found 2 hours ago
₩665,800
Roundtrip
found 2 hours ago
Select Air Canada flight, departing Sat, Oct 10 from Seoul to San Francisco, returning Sun, Oct 18, priced at ₩665,800 found 2 hours 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 ₩665,800. 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 ₩665,800 and ₩1,071,300. If you were traveling one way out of Seoul (ICN), you could have picked up a bargain from just ₩515,900.
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 ₩665,800 to ₩1,071,300 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

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About Contra Costa County

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