S$ 158 Cheap Flights from Portland to Knoxville (PDX-TYS)

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Cheap Flights from Portland to Knoxville

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Cheap Flights from Portland to Knoxville starting at S$ 158

Book one-way or return flights from Portland to Knoxville from as little as S$ 158. Choose from the popular airlines below and book your flight today!

One way
Round-trip

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Searching for the best last minute flight from Portland to Knoxville? Find one-way or return flights that are affordable and fit your itinerary.

Trip.com monitors the ticket fares of flights from Portland to Knoxville. Stay updated on price trends and snag the best deals for your upcoming trip.

Displayed prices are calculated based on the lowest average weekly prices of the corresponding route on Trip.com.

Cheapest Airlines flying from Portland to Knoxville

View airlines operating flights from Portland to Knoxville. Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

Frontier Airlines

From S$ 145

Spirit Airlines

From S$ 160

Alaska Airlines

From S$ 239

United Airlines

From S$ 262

Delta Air Lines

From S$ 404

American Airlines

From S$ 444

ANA airlines

Find more flights and airlines

Alternative Routes from Portland to Knoxville

Discover different routes, airlines, and transfers and find the best alternative flights for your journey from Portland to Knoxville.

Cheapest
PDX
10:10
20h 46m
2 transfer
TYS
09:56
Portland International Airport - Mcghee Tyson Airport
Thu, May 9Frontier Airlines
S$ 145
PDX
10:10
20h 46m
2 transfer
TYS
09:56
Portland International Airport - Mcghee Tyson Airport
Thu, May 9Frontier Airlines
S$ 145
Find More Flights

Frequently Asked Questions

When to buy flight tickets from Portland (PDX) to Knoxville (TYS) the cheapest?
Airlines adjust prices for flights from Portland to Knoxville based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the cheapest flight prices on Tuesdays, Wednesdays, and Saturdays.
How much is a flight from Portland (PDX) to Knoxville (TYS) cost?
According to Trip.com's data, the lowest price is around S$ 907.
How many airports in Knoxville?
There are 1 airports near Knoxville: Mcghee Tyson Airport.

How to find a cheap flight from Portland to Knoxville

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Portland to Knoxville. Book your flights at the right time and save more.

Book Early

Once prices are gone, they're gone. Lock in deals while you can!

Compare Flight Prices

Compare prices on travel agency and airline websites.

Look Out for Deals

Check airline and travel agency websites for latest flight deals

Check One-way Fares

Buying two cheap one-way flights can sometimes be a better deal than a round-trip.

Try Different Dates

Flying during the week, early in the morning, or late at night can help save money.

Use the Trip.com App

Save up to £10 per person when booking your flights on Trip.com