Cheap flights from Knoxville to Portland from $92
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Knoxville to Portland departing on 8/10. 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 Knoxville to Portland
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How to get the cheapest flight ticket from Knoxville to Portland
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 Portland?
The cheapest month to fly to Portland from Knoxville is in February. Flight prices, which tend to average around $323, are often lower during this time because this is during the off-season. If you don’t want to visit Portland in February, then you should wait until August to fly from Knoxville, when ticket prices are also cheap, with an average price of $349.
What is the cheapest day to depart on your flight to Portland?
The cheapest day to depart on your flight to Portland is on a Wednesday when prices can be found for as low as $441. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Portland is Sunday, with ticket prices averaging around $790.
What is the cheapest time of day to depart on your flight to Portland?
The cheapest time of day to fly to Portland is in the evening when flights can be purchased for as low as $421. In the afternoon is when there is more demand to fly to Portland, so prices are often more expensive at around $512 per ticket.
How far in advance should I book a flight to Portland?
You are more likely to see cheaper flights to Portland from Knoxville when booking weeks ahead of your departure date. In general, you can expect to find flights to Portland for around $470 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portland from Knoxville for as low as $317 on momondo.
What is the cheapest airline that flies from Knoxville McGhee Tyson to Portland?
Frontier and Allegiant Air are the most popular carriers operating from Knoxville McGhee Tyson to Portland
What airlines fly to Portland?
American Airlines, Delta and United Airlines are the top three most popular airlines that fly to Portland from Knoxville according to our data. American Airlines is the first choice among our users, with 49% of people opting to fly with this airline when traveling to Portland. Keep in mind that there are 5 different airlines that fly to Portland on a routine basis, so you have a few additional options to choose from.
When to book flights from Knoxville to Portland
Cheap Knoxville to Portland (TYS to PDX) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Knoxville to Portland
How far is Knoxville McGhee Tyson to Portland by plane?
Knoxville McGhee Tyson and Portland are 2108.9 mi apart from one another. A reasonable flight in good conditions will take 6h 46m.
When did momondo last update prices for flights from Knoxville McGhee Tyson Airport to Portland Airport?
Prices for flights from Knoxville McGhee Tyson Airport to Portland Airport were last updated today.
How many operators does momondo search for flights from Knoxville McGhee Tyson Airport to Portland Airport?
As of July 2025, there are 5 operators available to choose from for flights from Knoxville McGhee Tyson Airport to Portland Airport.
How old do you have to be to fly from Knoxville McGhee Tyson Airport to Portland Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Knoxville McGhee Tyson Airport to Portland Airport.
What documentation or ID do you need to fly to Portland Airport?
The necessary travel and health documents for your Portland Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Knoxville to Portland?
Based on momondo bookings for flights between Knoxville and Portland, the leading airline is American Airlines, making up 52% of the total bookings. Other popular airlines include Delta with 21%, United Airlines with 20%, and Frontier with 4%.
Best airlines flying from Knoxville to Portland
Compare and see reviews for airlines that fly from Knoxville to Portland with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $146 | Free Cancellation | Rating 5.9 3,286 reviews | |||
| PriceFrom $276 | Free Cancellation | Rating 8.0 7,982 reviews | |||
| PriceFrom $279 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $325 | Free Cancellation | Rating 7.4 8,861 reviews | |||
| PriceFrom $551 | Free Cancellation | Rating 8.0 10,000 reviews |
Traveling to a place near Portland?
Book flights to Portland if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Knoxville to Portland?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Knoxville to Portland for you.
Can I find flights from Knoxville to Portland with flexible booking policies on momondo?
momondo does allow users to show only those flights to Portland from Knoxville which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from Knoxville to Portland?
Once all potential Knoxville to Portland flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from Knoxville to Portland right now. Can momondo alert me if prices change?
Yes. momondo can track prices for Knoxville to Portland flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.