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Prices starting at $321 for return flights and $122 for one-way flights to Great Falls were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.
|Origin Airport IATA Code||PDX|
|Destination Airport IATA Code||GTF|
|Direct Flight Airlines|
|Earliest Flight Arrival|
|Latest Flight Arrival|
If you are looking to find the best deals on Portland to Great Falls flights, look no further than Orbitz. Orbitz offers guaranteed low prices as well as cutting-edge mobile tools to help you book cheap flights from Portland to Great Falls.
Our mobile apps for Android and iPhone phones as well as tablets and iPads let you find the cheapest flights from Portland to Great Falls—whether you are at home or running errands. Use the apps to also keep track of delays to your Portland to Great Falls flights and baggage claim information.
It’s easy to earn points or miles for your frequent flyer or airline loyalty program on qualifying Portland to Great Falls flights with Orbitz. You can add your frequent flyer number to your online flight booking, and even store your numbers in your Orbitz account profile so they automatically get added the next time you book a flight.
Orbitz keeps you updated on information that’s relevant to your flights from Portland to Great Falls. We can send you and six of your personal contacts free travel alerts via SMS text, voicemail, or email, so you instantly know about flight delays or changes.
Orbitz looks for the best deals on Portland to Great Falls flights for you. Mix and match airlines for your departing and return flights to fit your travel schedule and budget.
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.