₩85,500 Cheap flights from St. Helens, OR

View ₩85,500 flight on Wed, Dec 17, 2025Opens in a new window

Popular airlines from St. Helens

  • Alaska Airlines

    Alaska Airlines

  • Delta

    Delta

  • United

    United

  • American Airlines

    American Airlines

  • Southwest Airlines

    Southwest Airlines

  • Air Canada

    Air Canada

  • Frontier Airlines

    Frontier Airlines

    notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
    deals illustration

    Book smarter

    Save up to 40% on select hotels after you book a flight*
    trophy illustration

    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.

Delta
Sat, Dec 6 - Sat, Dec 13
PDX
Portland
LAS
Las Vegas
₩195,800 Roundtrip, found 6 days ago
₩195,800
Roundtrip
found 6 days ago
Select Delta flight, departing Sat, Dec 6 from Portland to Las Vegas, returning Sat, Dec 13, priced at ₩195,800 found 6 days ago
Hawaiian Airlines
Thu, Dec 18 - Wed, Dec 24
PDX
Portland
SFO
San Francisco
₩196,800 Roundtrip, found 2 days ago
₩196,800
Roundtrip
found 2 days ago
Select Hawaiian Airlines flight, departing Thu, Dec 18 from Portland to San Francisco, returning Wed, Dec 24, priced at ₩196,800 found 2 days ago
Delta
Thu, Dec 18 - Wed, Dec 24
PDX
Portland
SFO
San Francisco
₩211,200 Roundtrip, found 2 days ago
₩211,200
Roundtrip
found 2 days ago
Select Delta flight, departing Thu, Dec 18 from Portland to San Francisco, returning Wed, Dec 24, priced at ₩211,200 found 2 days ago
Delta
Sat, Dec 6 - Sat, Dec 13
PDX
Portland
LAS
Las Vegas
₩216,000 Roundtrip, found 6 days ago
₩216,000
Roundtrip
found 6 days ago
Select Delta flight, departing Sat, Dec 6 from Portland to Las Vegas, returning Sat, Dec 13, priced at ₩216,000 found 6 days ago
Hawaiian Airlines
Thu, Dec 4 - Mon, Dec 8
PDX
Portland
SFO
San Francisco
₩225,200 Roundtrip, found 4 days ago
₩225,200
Roundtrip
found 4 days ago
Select Hawaiian Airlines flight, departing Thu, Dec 4 from Portland to San Francisco, returning Mon, Dec 8, priced at ₩225,200 found 4 days ago
Delta
Thu, Dec 4 - Mon, Dec 8
PDX
Portland
SFO
San Francisco
₩225,300 Roundtrip, found 4 days ago
₩225,300
Roundtrip
found 4 days ago
Select Delta flight, departing Thu, Dec 4 from Portland to San Francisco, returning Mon, Dec 8, priced at ₩225,300 found 4 days ago
Hawaiian Airlines
Sun, Dec 21 - Tue, Dec 23
PDX
Portland
LAS
Las Vegas
₩225,500 Roundtrip, found 3 days ago
₩225,500
Roundtrip
found 3 days ago
Select Hawaiian Airlines flight, departing Sun, Dec 21 from Portland to Las Vegas, returning Tue, Dec 23, priced at ₩225,500 found 3 days ago
United
Thu, Dec 18 - Wed, Dec 24
PDX
Portland
SFO
San Francisco
₩247,500 Roundtrip, found 2 days ago
₩247,500
Roundtrip
found 2 days ago
Select United flight, departing Thu, Dec 18 from Portland to San Francisco, returning Wed, Dec 24, priced at ₩247,500 found 2 days ago
Alaska Airlines
Sat, Dec 20 - Sun, Dec 28
PDX
Portland
LAS
Las Vegas
₩254,300 Roundtrip, found 3 days ago
₩254,300
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Sat, Dec 20 from Portland to Las Vegas, returning Sun, Dec 28, priced at ₩254,300 found 3 days ago
American Airlines
Thu, Dec 18 - Wed, Dec 24
PDX
Portland
SFO
San Francisco
₩261,700 Roundtrip, found 2 days ago
₩261,700
Roundtrip
found 2 days ago
Select American Airlines flight, departing Thu, Dec 18 from Portland to San Francisco, returning Wed, Dec 24, priced at ₩261,700 found 2 days ago

Travel information

Flights from St. Helens: Essential Travel Information

Cheapest flight from St. Helens
₩195,800 (roundtrip)
Best airlines to fly from St. Helens
Hawaiian Airlines, Delta, United, American Airlines, Alaska Airlines, Aeromexico
Cheapest month to fly from St. Helens
December
St. Helens IATA code
PDX
St. Helens Country/State
Oregon
Airline ticket deals from St. Helens
₩195,800 - ₩726,200

 

Explore a world of travel with Expedia

*Available to Expedia members.