Cheap flights from Portland, Maine to Knoxville from $246
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, Maine to Knoxville departing on 8/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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American Airlines flights from Portland, Maine to Knoxville
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Delta flights from Portland, Maine to Knoxville
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How to get the cheapest flight ticket from Portland, Maine 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 to Knoxville?
The month of December is, on average, the cheapest month to fly to Knoxville from Portland, Maine, with most prices found around $303. If you aren’t able to travel during the month of December, then book flights to Knoxville from Portland, Maine during November instead. Flights to Knoxville in November, while not as cheap as those in December, still average around $308.
What is the cheapest day to depart on your flight to Knoxville?
The cheapest day to depart from Portland, Maine to Knoxville is on a Saturday. Travelers who choose to depart for Knoxville on a Saturday will often find tickets for as low as $295. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Portland, Maine to Knoxville for around $694.
What is the cheapest time of day to depart on your flight to Knoxville?
At noon is the cheapest time of day to fly from Portland, Maine to Knoxville when you can find flight prices for as low as $337. Flying to Knoxville at noon is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to Knoxville is in the morning when prices are around $373.
How far in advance should I book a flight to Knoxville?
You are more likely to see cheaper flights to Knoxville from Portland, Maine when booking 22 weeks ahead of your departure date. In general, you can expect to find flights to Knoxville for around $378 when searching 22 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Knoxville from Portland, Maine for as low as $198 on momondo.
What is the cheapest airline that flies from Portland to Knoxville McGhee Tyson?
American Airlines, United Airlines, and Delta are the most popular carriers operating from Portland to Knoxville McGhee Tyson
What airlines fly to Knoxville?
American Airlines, Allegiant Air and Delta are the top three most popular airlines that fly to Knoxville from Portland, Maine according to our data. American Airlines is the first choice among our users, with 48% of people opting to fly with this airline when traveling to Knoxville. Keep in mind that there are 5 different airlines that fly to Knoxville on a routine basis, so you have a few additional options to choose from.
When to book flights from Portland, Maine to Knoxville
Cheap Portland, Maine to Knoxville (PWM to TYS) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Portland, Maine to Knoxville
How far is Portland to Knoxville McGhee Tyson by plane?
There are 897.0 mi between Portland and Knoxville McGhee Tyson. 4h 23m is a normal flight duration for this route.
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 refresh daily.
How many operators does momondo search for flights from Portland Airport to Knoxville McGhee Tyson Airport?
The number of operators available for flights from Portland Airport to Knoxville McGhee Tyson Airport is 3 as of June 2025.
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 travel and health documents you'll need for your trip to Knoxville McGhee Tyson Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Knoxville McGhee Tyson Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Portland, Maine to Knoxville?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Portland, Maine to Knoxville is American Airlines (69% of total bookings). The next most popular airlines are Delta (16%) and United Airlines (15%).
Best airlines flying from Portland, Maine to Knoxville
Compare and see reviews for airlines that fly from Portland, Maine to Knoxville with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $221 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $225 | Free Cancellation | Rating 8.0 7,964 reviews | |||
| PriceFrom $258 | Free Cancellation | Rating 7.4 8,809 reviews |
Traveling to a place near Knoxville?
Book flights to Knoxville if you plan to visit one of these locationsWhy 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?
Yes. momondo enables you to select and highlight flights to Knoxville from Portland with this policy.
How can momondo help me find flights from Portland to Knoxville?
momondo helps you find the best flight between Portland and Knoxville by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from Portland to Knoxville right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Portland to Knoxville flights. All you need is a valid email address and we will do the rest; it is that quick and easy.