Flights to South Bay from Seattle - ￥12,050

View ￥12,050 flight on Wed, Aug 13, 2025Opens in a new window

Popular airlines from Seattle to South Bay

  • Peach

    Peach

  • Skymark Airlines

    Skymark Airlines

  • All Nippon Airways

    All Nippon Airways

  • Japan Airlines

    Japan Airlines

  • Jetstar Japan

    Jetstar Japan

  • Solaseed Air

    Solaseed Air

  • STARFLYER

    STARFLYER

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

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

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap Flights from Seattle to South Bay (SEA-SAN)

Prices were available within the past 7 days and start at ￥12,050 for one-way flights and ￥22,870 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Hawaiian Airlines
Sat, Sep 13 - Tue, Sep 30
PAE
Seattle
SAN
San Diego
￥22,870 Roundtrip, found 1 day ago
￥22,870
Roundtrip
found 1 day ago
Select Hawaiian Airlines flight, departing Sat, Sep 13 from Seattle to San Diego, returning Tue, Sep 30, priced at ￥22,870 found 1 day ago
Hawaiian Airlines
Tue, Sep 16 - Wed, Sep 17
SEA
Seattle
SAN
San Diego
￥24,740 Roundtrip, found 1 day ago
￥24,740
Roundtrip
found 1 day ago
Select Hawaiian Airlines flight, departing Tue, Sep 16 from Seattle to San Diego, returning Wed, Sep 17, priced at ￥24,740 found 1 day ago
Delta
Sat, Oct 18 - Sat, Oct 25
SEA
Seattle
SAN
San Diego
￥25,490 Roundtrip, found 6 days ago
￥25,490
Roundtrip
found 6 days ago
Select Delta flight, departing Sat, Oct 18 from Seattle to San Diego, returning Sat, Oct 25, priced at ￥25,490 found 6 days ago
Delta
Wed, Aug 13 - Wed, Aug 20
SEA
Seattle
SAN
San Diego
￥25,620 Roundtrip, found 2 days ago
￥25,620
Roundtrip
found 2 days ago
Select Delta flight, departing Wed, Aug 13 from Seattle to San Diego, returning Wed, Aug 20, priced at ￥25,620 found 2 days ago
American Airlines
Sat, Sep 13 - Sat, Sep 20
SEA
Seattle
CLD
Carlsbad
￥25,640 Roundtrip, found 1 hour ago
￥25,640
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Sat, Sep 13 from Seattle to Carlsbad, returning Sat, Sep 20, priced at ￥25,640 found 1 hour ago
United
Sat, Oct 18 - Sat, Oct 25
SEA
Seattle
SAN
San Diego
￥39,800 Roundtrip, found 6 days ago
￥39,800
Roundtrip
found 6 days ago
Select United flight, departing Sat, Oct 18 from Seattle to San Diego, returning Sat, Oct 25, priced at ￥39,800 found 6 days ago
*Available to Expedia members.