$184 Cheap flight deals from Portland (PDX) to Cosby (TYS)
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Airfares from $184 One Way, $385 Round Trip from Portland to Cosby
Prices starting at $385 for return flights and $184 for one-way flights to Cosby were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.
Cosby economy flight packages
River Terrace Resort & Convention Center
Feb 28 - Mar 1
Portland (PDX) to Knoxville (TYS)
Reviewed on Jun 20, 2025
THE TENNESSEAN Hotel
Feb 28 - Mar 2
Portland (PDX) to Knoxville (TYS)
Reviewed on Aug 31, 2025
More About Flying To Cosby from Portland
Route Information for Flights from Portland to Cosby
Origin Airport IATA Code | PDX |
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Destination Airport IATA Code | TYS |
Distance | |
Direct Flight Airlines | |
Earliest Flight Arrival | |
Latest Flight Arrival |
Portland to Cosby
Orbitz guarantees you low prices on flights from Portland to Cosby. In addition to low fares on Portland to Cosby flights, Orbitz offers fantastic savings on hotels, cruises, vacation packages, and more.
Earn Miles While Saving
Besides helping you fly for the lowest fares, Orbitz lets you earn miles for your frequent flyer program for certain flights from Portland to Cosby. If you are a member of the frequent flyer or loyalty program offered by the airline you booked through Orbitz or a partner airline’s, simply add your frequent flyer number to your Orbitz reservation to get credit for your Portland to Cosby flights.
Travel Planning Made Easy
We help take some of the anxiety out of your Portland to Cosby flights with free flight alerts. We will let you know of flight changes and delays to your flights from Portland to Cosby by email, voicemail, or text messages to your mobile phone. Alerts can also be sent to up to six other contacts to keep family and business teams informed.
Use Mobile Apps with Orbitz
Orbitz lets you find the best deals on Portland to Cosby flights while on the go, with our easy-to-use Android and iPhone mobile apps. Easily check flight status, gate numbers, and other flight details all in one place with our app—which is great when you are in a hurry. You can use the apps to access great mobile deals on flights and amazing hotel rooms.
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Portland Airports
Cosby 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.