$112 Cheap Flights from Knoxville to Portland
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Flights from Knoxville to Portland
Cheap flight deals from Knoxville to Portland
We've found these cheap flights for you. You can book one-way or round-trip flight tickets.
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TYS 5:30 AM8h 53m1 stopsPDX 11:23 AMKnoxville - Portland | Tue, May 6 | Delta Air Lines
PDX 2:10 PM6h 41m1 stopsTYS 11:51 PMPortland - Knoxville | Tue, May 13 | Delta Air Lines$241 $42944% OFF44% OFF$429 $241 -
TYS 1:01 PM8h 41m1 stopsPDX 6:42 PMKnoxville - Portland | Sat, Apr 19 | Delta Air Lines
PDX 11:19 PM7h 2m1 stopsTYS 9:21 AMPortland - Knoxville | Sat, Apr 26 | Delta Air Lines$262 $42939% OFF39% OFF$429 $262
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TYS 5:45 AM8h 38m1 stopsPDX 11:23 AMKnoxville - Portland | Sat, Apr 12 | Delta Air Lines
PDX 11:19 PM7h 2m1 stopsTYS 9:21 AMPortland - Knoxville | Sat, Apr 19 | Delta Air Lines$266 $42938% OFF38% OFF$429 $266
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TYS 4:31 PM11h 6m1 stopsPDX 12:37 AMKnoxville - Portland | Thu, Apr 3 | Frontier Airlines
PDX 5:00 AM6h 44m1 stopsTYS 2:44 PMPortland - Knoxville | Wed, Apr 9 | United Airlines$27436% OFF$429 $274 -
TYS 5:24 AM8h 31m1 stopsPDX 10:55 AMKnoxville - Portland | Sat, Apr 12 | American Airlines
PDX 1:57 PM6h 58m1 stopsTYS 11:55 PMPortland - Knoxville | Sat, Apr 19 | American Airlines$33222% OFF$429 $332 -
TYS 5:30 AM8h 53m1 stopsPDX 11:23 AMKnoxville - Portland | Wed, Apr 16 | Delta Air Lines
PDX 6:00 AM7h 14m1 stopsTYS 4:14 PMPortland - Knoxville | Sun, Apr 20 | Delta Air Lines$33721% OFF$429 $337
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TYS 7:00 AM9h 1m1 stopsPDX 1:01 PMKnoxville - Portland | Tue, Apr 8 | United Airlines
PDX 5:00 AM6h 44m1 stopsTYS 2:44 PMPortland - Knoxville | Wed, Apr 9 | United Airlines$33921% OFF$429 $339 -
TYS 4:31 PM9h 17m1 stopsPDX 10:48 PMKnoxville - Portland | Wed, Apr 2 | United Airlines
PDX 11:30 PM7h 35m1 stopsTYS 10:05 AMPortland - Knoxville | Tue, Apr 8 | United Airlines$34320% OFF$429 $343
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TYS 2:20 PM8h 42m1 stopsPDX 8:02 PMKnoxville - Portland | Tue, May 6 | United Airlines
PDX 7:00 AM10h 6m1 stopsTYS 8:06 PMPortland - Knoxville | Tue, May 13 | United Airlines$34320% OFF$429 $343
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TYS 2:33 PM7h 9m1 stopsPDX 6:42 PMKnoxville - Portland | Wed, Apr 30 | Delta Air Lines
PDX 2:10 PM6h 41m1 stopsTYS 11:51 PMPortland - Knoxville | Wed, May 7 | Delta Air Lines$34320% OFF$429 $343
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TYS 1:00 PM17h 25m1 stopsPDX Invalid DateKnoxville - Portland | Mon, Mar 31 | Normal Airline
PDX 3:00 PM6hNonstopTYS 4:00 PMPortland - Knoxville | Wed, Apr 2 | Normal AirlineFind More FlightsFind More Flights
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TYS 4:31 PM11h 6m1 stopsPDX 12:37 AMKnoxville - Portland | Thu, Apr 17 | Frontier Airlines$112 $35368% OFF68% OFF$353 $112
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TYS 12:46 PM14h 51m1 stopsPDX 12:37 AMKnoxville - Portland | Fri, Apr 18 | Frontier Airlines$122 $35366% OFF66% OFF$353 $122
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TYS 7:00 AM7h 44m1 stopsPDX 11:44 AMKnoxville - Portland | Sat, May 3 | United Airlines$173 $35351% OFF51% OFF$353 $173
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TYS 2:33 PM7h 9m1 stopsPDX 6:42 PMKnoxville - Portland | Wed, Apr 30 | Delta Air Lines$22237% OFF$353 $222
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TYS 4:31 PM7h 29m1 stopsPDX 9:00 PMKnoxville - Portland | Tue, Apr 1 | United Airlines$22536% OFF$353 $225
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TYS 5:25 PM8h 11m1 stopsPDX 10:36 PMKnoxville - Portland | Wed, Apr 30 | United Airlines$22935% OFF$353 $229
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TYS 4:52 PM8h 43m1 stopsPDX 10:35 PMKnoxville - Portland | Sat, May 24 | United Airlines$25827% OFF$353 $258
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TYS 6:45 AM9h 9m1 stopsPDX 12:54 PMKnoxville - Portland | Tue, Apr 1 | Delta Air Lines$26525% OFF$353 $265
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TYS 5:30 AM8h 53m1 stopsPDX 11:23 AMKnoxville - Portland | Thu, Apr 24 | Delta Air Lines$26724% OFF$353 $267
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TYS 5:20 AM8h 29m1 stopsPDX 10:49 AMKnoxville - Portland | Sat, May 24 | American Airlines$28320% OFF$353 $283
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TYS 1:00 PM17h 25m1 stopsPDX Invalid DateKnoxville - Portland | Mon, Mar 31 | Normal AirlineFind More FlightsFind More Flights
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Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.
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Frequently Asked Questions
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When are flight tickets from Knoxville (TYS) to Portland (PDX) the cheapest?
Airlines adjust prices for flights from Knoxville to Portland based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays. -
How much do flights from Knoxville (TYS) to Portland (PDX) cost?
According to Trip.com's data, the lowest price is around $594.
How to find a cheap flight from Knoxville to Portland
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 Knoxville to Portland. Book your flights at the right time and save more.
Be flexible with your travel dates to get the cheapest Knoxville to Portland ticket.
Tap "Date" in the flight search bar to browse the calendar and find airfare from Knoxville to Portland for the next six months in 2025. If you're looking to fly within the next three months, the lowest fare is $112 for a one-way ticket on Thu, Apr 17.
Compare cheap Knoxville to Portland flight deals from hundreds of airlines.
Our powerful search system compares prices from over 500 airlines. So you can find the cheapest flights from Knoxville to Portland. The most affordable airline currently operating on this route is Frontier Airlines.
Set up a Price Alert to track fare drops.
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Don't miss out on cheap Knoxville to Portland flight deals and promo codes.
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Book early or wait unitl the last minute to fine the best fares.
It's always better to book early! Airlines typically release their lowest fares about a year before departure, so check as soon as flights become available. If you miss that window, you may still find great deals closer to your travel date.
Search for flights on the go.
For the best booking experience on the go, download Trip.com and search for cheap flights from Knoxville to Portland to access exclusive deals just for you.
Flight Info | Knoxville to Portland
| Cheapest one-way flight price | $112 |
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| Off-season for travel | March |
| Peak season for travel | January |
| Flight distance | 3,393.5 km |
| Popular airline | Alaska Airlines |
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