NT$2,515 Cheap flights from St. Helena, CA

View NT$2,515 flight on Sat, 2026/8/15Opens in a new window

Popular airlines from St. Helena

  • Alaska Airlines

  • Southwest Airlines

  • Delta

  • Volaris

  • Aeromexico

  • Frontier Airlines

  • British Airways

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 45% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheapest flights from St. Helena

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.

Alaska Airlines
Tue, Aug 25 - Wed, Aug 26
OAK
Oakland
SAN
San Diego
NT$3,760 Roundtrip, found 2 days ago
NT$3,760
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Tue, Aug 25 from Oakland to San Diego, returning Wed, Aug 26, priced at NT$3,760 found 2 days ago
Alaska Airlines
Tue, Aug 25 - Fri, Aug 28
OAK
Oakland
SAN
San Diego
NT$4,726 Roundtrip, found 2 days ago
NT$4,726
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Tue, Aug 25 from Oakland to San Diego, returning Fri, Aug 28, priced at NT$4,726 found 2 days ago
Alaska Airlines
Tue, Aug 25 - Sun, Aug 30
OAK
Oakland
SAN
San Diego
NT$5,369 Roundtrip, found 2 days ago
NT$5,369
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Tue, Aug 25 from Oakland to San Diego, returning Sun, Aug 30, priced at NT$5,369 found 2 days ago
Alaska Airlines
Sat, Aug 8 - Mon, Aug 10
STS
Santa Rosa
SAN
San Diego
NT$5,676 Roundtrip, found 6 days ago
NT$5,676
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Sat, Aug 8 from Santa Rosa to San Diego, returning Mon, Aug 10, priced at NT$5,676 found 6 days ago
Delta
Fri, Aug 28 - Sun, Sep 6
OAK
Oakland
SAN
San Diego
NT$5,679 Roundtrip, found 2 days ago
NT$5,679
Roundtrip
found 2 days ago
Select Delta flight, departing Fri, Aug 28 from Oakland to San Diego, returning Sun, Sep 6, priced at NT$5,679 found 2 days ago
American Airlines
Sat, Aug 8 - Mon, Aug 10
STS
Santa Rosa
SAN
San Diego
NT$5,683 Roundtrip, found 6 days ago
NT$5,683
Roundtrip
found 6 days ago
Select American Airlines flight, departing Sat, Aug 8 from Santa Rosa to San Diego, returning Mon, Aug 10, priced at NT$5,683 found 6 days ago
Alaska Airlines
Sat, Sep 26 - Mon, Oct 12
OAK
Oakland
SAN
San Diego
NT$5,916 Roundtrip, found 2 days ago
NT$5,916
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Sat, Sep 26 from Oakland to San Diego, returning Mon, Oct 12, priced at NT$5,916 found 2 days ago
Alaska Airlines
Tue, Aug 4 - Sun, Aug 23
OAK
Oakland
SAN
San Diego
NT$6,013 Roundtrip, found 2 days ago
NT$6,013
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Tue, Aug 4 from Oakland to San Diego, returning Sun, Aug 23, priced at NT$6,013 found 2 days ago
Alaska Airlines
Sat, Aug 8 - Mon, Aug 10
STS
Santa Rosa
SAN
San Diego
NT$6,029 Roundtrip, found 6 days ago
NT$6,029
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Sat, Aug 8 from Santa Rosa to San Diego, returning Mon, Aug 10, priced at NT$6,029 found 6 days ago
American Airlines
Sat, Aug 8 - Mon, Aug 10
STS
Santa Rosa
SAN
San Diego
NT$6,036 Roundtrip, found 6 days ago
NT$6,036
Roundtrip
found 6 days ago
Select American Airlines flight, departing Sat, Aug 8 from Santa Rosa to San Diego, returning Mon, Aug 10, priced at NT$6,036 found 6 days ago

Travel information

Flights from St. Helena: Essential Travel Information

Cheapest flight from St. Helena
NT$3,760 (roundtrip)
Best airlines to fly from St. Helena
Delta, Alaska Airlines, American Airlines
Cheapest month to fly from St. Helena
August
St. Helena IATA code
OAK
St. Helena Country/State
California
Airline ticket deals from St. Helena
NT$3,760 - NT$13,734

 

Explore a world of travel with Expedia

*Available to Expedia members.