Cheap Flights to Silicon Valley

View ₩431,320 flight on Fri, May 9, 2025Opens in a new window

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How much is the cheapest flight to Silicon Valley?

Prices were available within the past 7 days and start at ₩431,320 for one-way flights and ₩650,300 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Premia
Fri, May 16 - Sat, May 31
ICN
Seoul
SFO
San Francisco
₩650,300 Roundtrip, found 5 hours ago
₩650,300
Roundtrip
found 5 hours ago
Select Air Premia flight, departing Fri, May 16 from Seoul to San Francisco, returning Sat, May 31, priced at ₩650,300 found 5 hours ago
United
Sat, May 3 - Mon, May 5
ICN
Seoul
SFO
San Francisco
₩676,700 Roundtrip, just found
₩676,700
Roundtrip
just found
Select United flight, departing Sat, May 3 from Seoul to San Francisco, returning Mon, May 5, priced at ₩676,700 just found
Korean Air
Fri, Jun 13 - Sat, Jul 26
ICN
Seoul
SFO
San Francisco
₩689,300 Roundtrip, found 1 day ago
₩689,300
Roundtrip
found 1 day ago
Select Korean Air flight, departing Fri, Jun 13 from Seoul to San Francisco, returning Sat, Jul 26, priced at ₩689,300 found 1 day ago
United
Fri, May 2 - Mon, May 5
ICN
Seoul
SJC
San Jose
₩726,600 Roundtrip, found 20 hours ago
₩726,600
Roundtrip
found 20 hours ago
Select United flight, departing Fri, May 2 from Seoul to San Jose, returning Mon, May 5, priced at ₩726,600 found 20 hours ago
Asiana Airlines
Mon, Jun 9 - Sat, Jul 5
GMP
Seoul
SFO
San Francisco
₩1,042,200 Roundtrip, found 6 days ago
₩1,042,200
Roundtrip
found 6 days ago
Select Asiana Airlines flight, departing Mon, Jun 9 from Seoul to San Francisco, returning Sat, Jul 5, priced at ₩1,042,200 found 6 days ago

Frequently asked questions

How do I find cheap flights to Silicon Valley that have flexible change policies?
Search for cheap fares to Silicon Valley, then tick the “No change fee” box directly below the “Flexible change policies” heading. It’s that easy. We understand that travel plans change and flexibility matters, so book with confidence with Expedia.
Which airlines fly to Silicon Valley?
Whether you’re headed someplace new or rendezvousing at your favorite vacation area, these airlines will fly you into or near Silicon Valley:

  • United Airlines - 6,036 flights to or near Silicon Valley each month, including 5,914 flights to San Francisco Intl. Airport (SFO) and 121 flights to Norman Y. Mineta San Jose Intl. Airport (SJC) per month.
  • Southwest Airlines - 4,987 flights to or near Silicon Valley each month, including 2,314 flights to Oakland Intl. Airport (OAK) and 2,179 flights to Norman Y. Mineta San Jose Intl. Airport (SJC) per month.
  • Alaska Airlines - 3,207 flights to or near Silicon Valley each month, including 2,349 flights to San Francisco Intl. Airport (SFO) and 689 flights to Norman Y. Mineta San Jose Intl. Airport (SJC) per month.

How can I find cheap tickets to Silicon Valley?
Start searching as early as possible, consider nearby airports, use frequent flyer miles — there are lots of ways! One more is to use Expedia’s “flexible dates” function. Find a Silicon Valley flight, then compare the prices for nearby dates. In the last seven days, the best price for a flight to Silicon Valley was ₩650,300.
How much is a flight to Silicon Valley?
In the last seven days, return airfares to Silicon Valley sold for as little as ₩650,300 and peaked at ₩1,042,200. For one-way fares taking off from Seoul (ICN), the lowest price during this same period was just ₩431,320.
What are the most popular airports to fly into in Silicon Valley?
Fly into any one of these leading airports in Silicon Valley and you’ll be perfectly positioned to experience all that this fantastic region has to offer:

  • San Francisco Intl. Airport (SFO) - 11,935 flights per month.
  • Norman Y. Mineta San Jose Intl. Airport (SJC) - 3,788 flights per month.
  • Oakland Intl. Airport (OAK) - 3,086 flights per month.

When is the cheapest time to fly to Silicon Valley?
Jet off early in the week to score a bargain fare to Silicon Valley. Tuesday is usually the cheapest day to depart, with Monday a close second. Saturday typically has the most expensive prices. This is because a lot of travelers prefer to begin their getaway on a weekend.
How much is a plane ticket to Silicon Valley?
In the last seven days, airfares cost between ₩650,300 and ₩1,042,200. Take a look at our terrific deals to Silicon Valley, pick your favorite and then get packing!
What months are the cheapest to book a flight to Silicon Valley?
A great month to purchase well-priced flights to Silicon Valley is February. Keep in mind that in the United States, the most expensive time to book a ticket is during the month of December.

Trending flights to Silicon Valley

Prices were available within the past 7 days and start at ₩431,320 for one-way flights and ₩650,300 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Premia
Fri, May 16 - Sat, May 31
ICN
Seoul
SFO
San Francisco
₩650,300 Roundtrip, found 5 hours ago
₩650,300
Roundtrip
found 5 hours ago
Select Air Premia flight, departing Fri, May 16 from Seoul to San Francisco, returning Sat, May 31, priced at ₩650,300 found 5 hours ago
*Available to Expedia members.