A mountain range with a prominent peak, dense forested valleys, and a cloudy sky.

Cheap Flights to St. Helens

Find the cheapest month to fly from Columbus (CMH) to Portland (PDX)

November is typically the cheapest month to fly

From ₩406,004 - ₩985,102 per traveler.

Book with confidence

Searching for cheap flights to St. Helens? No travel company presents more choices than Expedia if you're looking to compare flights to St. Helens. With more airlines, cheaper flights, fewer stops, and more departure and arrival times travellers should ensure they search on Expedia before any holiday to Oregon. Expedia provides the cheapest flights to many destinations in Oregon and you may find even greater savings if you combine your flight with a hotel stay in St. Helens.

Travel information

Destination city name
Portland
Destination airport
Portland International Airport
Destination airport IATA code
PDX
Airlines serving
Alaska Airlines, Delta, American Airlines, United, Southwest Airlines, Frontier Airlines, Air Canada, Lufthansa, British Airways, Sun Country Airlines, KLM, Air France, Icelandair, Iberia, Brussels Airlines, Swiss International Air Lines, Finnair, Volaris, Virgin Atlantic, SAS, WestJet, Japan Airlines, Cathay Pacific, Korean Air, All Nippon Airways, Starlux Airlines, Aer Lingus, Qatar Airways, Turkish Airlines, Aeromexico, Air Excursions LLC, JetBlue Airways, Allegiant Air, Air Europa, Copa, LATAM Airlines Group
Popular airline
Alaska Airlines

Trending flights to St. Helens

Prices were available within the past 7 days and start at ₩809,300 for one-way flights and ₩1,273,000 for roundtrip, for the period specified. Prices and availability are subject to change.
Air Canada
Wed, Nov 11 - Sun, Nov 15
ICN
Seoul
PDX
Portland
₩1,273,000
Roundtrip
Found 12 hours ago
Select Air Canada flight, departing Wed, Nov 11 from Seoul to Portland, returning Sun, Nov 15, priced at ₩1,273,000 Found 12 hours ago
*Available to One Key members.