$191 Cheap flight deals from Portland (PDX) to St. Peters (STL)
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This Weekend's Flight Deals from Portland to St. Peters
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 $191 One Way, $384 Round Trip from Portland to St. Peters
Prices starting at $384 for return flights and $191 for one-way flights to St. Peters were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.
St. Peters economy flight packages
Sonesta ES Suites St. Louis - Chesterfield
Nov 11 - Nov 13
Portland (PDX) to St. Louis (STL)
St. Louis (STL) to Portland (PDX)
Moonrise Hotel
Nov 11 - Nov 13
Portland (PDX) to St. Louis (STL)
St. Louis (STL) to Portland (PDX)
Reviewed on Sep 27, 2026
Marriott St. Louis Airport
Nov 11 - Nov 13
Portland (PDX) to St. Louis (STL)
St. Louis (STL) to Portland (PDX)
More About Flying To St. Peters from Portland
Route Information for Flights from Portland to St. Peters
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 St. Peters
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Booking a trip from Portland to St. Peters has never been easier. Not only will you find great deals on flights, we offer bargains on cruises, car rentals, top-notch hotels, and more. You can also research and add local activities in St. Peters to your flight or hotel reservation to keep the kids happy and active.
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Portland Airports
St. Peters 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.