Cheap flights from Portland to Knoxville from $129
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to Knoxville departing on 2/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Deals available from 900+ travel sites.
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Portland to Knoxville
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Cheap direct flights
Cheap bus & train deals from Portland to Knoxville
All round-trip flight deals to Knoxville
Frontier flights from Portland to Knoxville
Our best Frontier deals on Portland to Knoxville flight tickets
United Airlines flights from Portland to Knoxville
Our best United Airlines deals on Portland to Knoxville flight tickets
See travel insights to Knoxville from
How to get the cheapest flight ticket from Portland to Knoxville
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly from Portland to Knoxville?
January. The cheapest time of year to fly to Knoxville from Portland is January. Most expensive is December
What is the cheapest day to depart Portland for Knoxville?
Tuesday. The cheapest day of the week is typically Tuesday. The most expensive is typically Monday
When is the cheapest time to fly from Portland to Knoxville?
At noon. Portland to Knoxville flights are approximately 5% more expensive in the evening than at noon
What is the cheapest Portland to Knoxville flight route?
Portland - Knoxville McGhee Tyson. Fly from Portland to Knoxville McGhee Tyson for the best Portland - Knoxville flight prices
How far in advance should you book Portland to Knoxville flights?
39 days before. The cheapest time to buy a flight from Portland to Knoxville is approximately 39 days to departure
How have Portland to Knoxville flight prices changed over time?
As of November 2024, prices for Portland to Knoxville flights are approximately 66% more expensive when compared to flights at the same time last year.
When to book flights from Portland to Knoxville
Cheap Portland to Knoxville (PDX to TYS) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Portland to Knoxville
How far is Portland to Knoxville McGhee Tyson by plane?
Portland and Knoxville McGhee Tyson are 2108.9 mi apart from one another. A reasonable flight in good conditions will take 6h 28m.
When did momondo last update prices for flights from Portland Airport to Knoxville McGhee Tyson Airport?
Prices for flights from Portland Airport to Knoxville McGhee Tyson Airport were last updated today.
How many operators does momondo search for flights from Portland Airport to Knoxville McGhee Tyson Airport?
As of November 2024, there are 4 operators available to choose from for flights from Portland Airport to Knoxville McGhee Tyson Airport.
How old do you have to be to fly from Portland Airport to Knoxville McGhee Tyson Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Portland Airport to Knoxville McGhee Tyson Airport.
What documentation or ID do you need to fly to Knoxville McGhee Tyson Airport?
The required travel and health documents for your Knoxville McGhee Tyson Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Knoxville McGhee Tyson Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Portland to Knoxville?
momondo data reveals that the most frequently booked airline on the route from Portland to Knoxville is American Airlines, representing 51.09% of all bookings. The subsequent popular airlines are United Airlines at 23.22%, Delta at 19.59%, and Frontier at 6.10%.
Best airlines flying from Portland to Knoxville
Compare and see reviews for airlines that fly from Portland to Knoxville with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $168 | Free Cancellation | Rating 6.1 3,539 reviews | |||
| PriceFrom $284 | Free Cancellation | Rating 8.0 8,758 reviews | |||
| PriceFrom $292 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $328 | Free Cancellation | Rating 7.4 9,172 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Portland to Knoxville?
It is quick and easy to find Portland to Knoxville flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Knoxville that suits you.
Can I find flights from Portland to Knoxville with flexible booking policies on momondo?
Flights from Portland to Knoxville with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
How can momondo help me find flights from Portland to Knoxville?
momondo provides multiple filters to help you find the best flight to Knoxville from Portland. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from Portland to Knoxville right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Knoxville, momondo offers a useful price alert feature which will track prices for flights to Knoxville from Portland and alert you when they change.