Cheap flights from Seoul to Silicon Valley from CA $504

View CA $504 flight on Sun, Dec. 21, 2025Opens in a new window

Popular airlines from Seoul to Silicon Valley

  • Delta

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  • United

    United

  • American Airlines

    American Airlines

  • Korean Air

    Korean Air

  • Air Canada

    Air Canada

  • Japan Airlines

    Japan Airlines

  • Singapore Airlines

    Singapore Airlines

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Cheap flights from Seoul (SEL) to Silicon Valley (SJC)

Prices were available within the past 7 days and start at CA $504 for one-way flights and CA $620 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Fri, Oct. 31 - Sat, Nov. 8
ICN
Seoul
SFO
San Francisco
CA $620 Roundtrip, found 2 days ago
CA $620
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Fri, Oct. 31 from Seoul to San Francisco, returning Sat, Nov. 8, priced at CA $620 found 2 days ago
United
Fri, Oct. 31 - Sat, Nov. 8
ICN
Seoul
SFO
San Francisco
CA $625 Roundtrip, found 2 days ago
CA $625
Roundtrip
found 2 days ago
Select United flight, departing Fri, Oct. 31 from Seoul to San Francisco, returning Sat, Nov. 8, priced at CA $625 found 2 days ago
Hawaiian Airlines
Wed, Oct. 29 - Wed, Nov. 5
ICN
Seoul
SFO
San Francisco
CA $636 Roundtrip, found 2 days ago
CA $636
Roundtrip
found 2 days ago
Select Hawaiian Airlines flight, departing Wed, Oct. 29 from Seoul to San Francisco, returning Wed, Nov. 5, priced at CA $636 found 2 days ago
American Airlines
Wed, Nov. 5 - Sun, Nov. 16
ICN
Seoul
SFO
San Francisco
CA $688 Roundtrip, found 1 day ago
CA $688
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Nov. 5 from Seoul to San Francisco, returning Sun, Nov. 16, priced at CA $688 found 1 day ago
Air Canada
Wed, Oct. 29 - Wed, Nov. 5
ICN
Seoul
SFO
San Francisco
CA $757 Roundtrip, found 2 days ago
CA $757
Roundtrip
found 2 days ago
Select Air Canada flight, departing Wed, Oct. 29 from Seoul to San Francisco, returning Wed, Nov. 5, priced at CA $757 found 2 days ago
Air Premia
Sun, Sep. 14 - Fri, Oct. 3
ICN
Seoul
SFO
San Francisco
CA $788 Roundtrip, found 4 days ago
CA $788
Roundtrip
found 4 days ago
Select Air Premia flight, departing Sun, Sep. 14 from Seoul to San Francisco, returning Fri, Oct. 3, priced at CA $788 found 4 days ago
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