$111 Cheap flight deals from Portland (PDX) to Alton (STL)
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This Weekend's Flight Deals from Portland to Alton
This weekend's flight prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.
Airfares from $111 One Way, $187 Round Trip from Portland to Alton
Prices starting at $187 for return flights and $111 for one-way flights to Alton were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.
Alton economy flight packages
The Cheshire
May 20 - May 24
Portland (PDX) to St. Louis (STL)
Reviewed on Sep 2, 2025
The Wildwood Hotel
May 20 - May 24
Portland (PDX) to St. Louis (STL)
Reviewed on Oct 16, 2025
More About Flying To Alton from Portland
Route Information for Flights from Portland to Alton
Origin Airport IATA Code | PDX |
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Destination Airport IATA Code | STL |
Distance | |
Direct Flight Airlines | |
Earliest Flight Arrival | |
Latest Flight Arrival |
Portland to Alton
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Flights from Portland
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Portland Airports
Alton Airports
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Fare, taxes & fees: Fares include all taxes and fees, except baggage fees. Rates shown reflect fares found by other Orbitz users over the past 7 days. Due to rapidly changing airline prices & seat availability, these fares may no longer be available.
Refunds/changes/cancellations: Itinerary changes, if permitted for the fare, will have a $30 service fee charged by Orbitz. Additional airline charges may apply.
Other conditions: Schedules, fares and rules are subject to change without notice. Seats are limited and may not be available on all flights/dates or in all markets. Lower fares may be available. Fares will not be honored retroactively or in exchange for any wholly/partially unused ticket. Tickets are non-transferable and non-refundable. Fare rules are provided for the selected itinerary before booking.