₩113,800 Cheap flights from St. Helens, OR

View ₩113,800 flight on Tue, Mar 10, 2026Opens in a new window

Popular airlines from St. Helens

  • Alaska Airlines

  • Delta

  • United

  • American Airlines

  • Southwest Airlines

  • Air Canada

  • Frontier Airlines

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 40% 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. Helens

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.

Hawaiian Airlines
Sat, Feb 14 - Wed, Feb 18
PDX
Portland
SFO
San Francisco
₩202,200 Roundtrip, found 6 days ago
₩202,200
Roundtrip
found 6 days ago
Select Hawaiian Airlines flight, departing Sat, Feb 14 from Portland to San Francisco, returning Wed, Feb 18, priced at ₩202,200 found 6 days ago
Hawaiian Airlines
Sat, Feb 14 - Wed, Feb 18
PDX
Portland
SFO
San Francisco
₩217,100 Roundtrip, found 6 days ago
₩217,100
Roundtrip
found 6 days ago
Select Hawaiian Airlines flight, departing Sat, Feb 14 from Portland to San Francisco, returning Wed, Feb 18, priced at ₩217,100 found 6 days ago
Hawaiian Airlines
Tue, Mar 10 - Tue, Mar 17
PDX
Portland
SFO
San Francisco
₩230,700 Roundtrip, found 3 days ago
₩230,700
Roundtrip
found 3 days ago
Select Hawaiian Airlines flight, departing Tue, Mar 10 from Portland to San Francisco, returning Tue, Mar 17, priced at ₩230,700 found 3 days ago
Delta
Mon, Jul 13 - Fri, Jul 17
PDX
Portland
SEA
Seattle
₩230,900 Roundtrip, found 2 days ago
₩230,900
Roundtrip
found 2 days ago
Select Delta flight, departing Mon, Jul 13 from Portland to Seattle, returning Fri, Jul 17, priced at ₩230,900 found 2 days ago
Hawaiian Airlines
Sat, Feb 14 - Wed, Feb 18
PDX
Portland
SFO
San Francisco
₩231,700 Roundtrip, found 6 days ago
₩231,700
Roundtrip
found 6 days ago
Select Hawaiian Airlines flight, departing Sat, Feb 14 from Portland to San Francisco, returning Wed, Feb 18, priced at ₩231,700 found 6 days ago
Hawaiian Airlines
Tue, Mar 10 - Thu, Mar 12
PDX
Portland
SFO
San Francisco
₩241,000 Roundtrip, found 1 day ago
₩241,000
Roundtrip
found 1 day ago
Select Hawaiian Airlines flight, departing Tue, Mar 10 from Portland to San Francisco, returning Thu, Mar 12, priced at ₩241,000 found 1 day ago
Hawaiian Airlines
Tue, Mar 10 - Tue, Mar 17
PDX
Portland
SFO
San Francisco
₩245,200 Roundtrip, found 3 days ago
₩245,200
Roundtrip
found 3 days ago
Select Hawaiian Airlines flight, departing Tue, Mar 10 from Portland to San Francisco, returning Tue, Mar 17, priced at ₩245,200 found 3 days ago
Hawaiian Airlines
Tue, Mar 10 - Tue, Mar 17
PDX
Portland
SFO
San Francisco
₩245,400 Roundtrip, found 3 days ago
₩245,400
Roundtrip
found 3 days ago
Select Hawaiian Airlines flight, departing Tue, Mar 10 from Portland to San Francisco, returning Tue, Mar 17, priced at ₩245,400 found 3 days ago
American Airlines
Sat, Feb 14 - Wed, Feb 18
PDX
Portland
SFO
San Francisco
₩253,900 Roundtrip, found 6 days ago
₩253,900
Roundtrip
found 6 days ago
Select American Airlines flight, departing Sat, Feb 14 from Portland to San Francisco, returning Wed, Feb 18, priced at ₩253,900 found 6 days ago
United
Sat, Feb 14 - Wed, Feb 18
PDX
Portland
SFO
San Francisco
₩254,000 Roundtrip, found 6 days ago
₩254,000
Roundtrip
found 6 days ago
Select United flight, departing Sat, Feb 14 from Portland to San Francisco, returning Wed, Feb 18, priced at ₩254,000 found 6 days ago

Flights from St. Helens: Essential Travel Information

Cheapest flight from St. Helens
₩202,200 (roundtrip)
Best airlines to fly from St. Helens
Hawaiian Airlines, Delta, United, American Airlines
Cheapest month to fly from St. Helens
February
St. Helens IATA code
PDX
St. Helens Country/State
Oregon
Airline ticket deals from St. Helens
₩202,200 - ₩254,000

 

Explore a world of travel with Expedia

*Available to Expedia members.