PDX - TYS

$203 Find Cheap Flights from Portland to Knoxville - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$358
Typical prices: $414-$619
Multiple Airlines
Thu 11/15Thu 11/22
PDX - TYS • 2 stops
Cheapest one-way
$203
Typical prices: $218-$384
American Airlines
Tue 11/6
PDX - TYS • 1 stop
Nonstop flights
Not available
There are currently no direct flights between Portland and Knoxville. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to book
10 weeks
in advance
Our data shows that travelers who book at least 10 weeks in advance save around 48% compared to booking last minute.
Insights
Insights
When to travel
February
Cheapest • 19% price drop
May
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Charlotte Douglas (CLT)
Cheapest • Avg $443 (round-trip)
Minneapolis St Paul (MSP)
Shortest trip • 6h 58m (one-way)
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Insights
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Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Portland to Knoxville (PDX-TYS)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Portland to Knoxville

Tue, Oct 6 - Sat, Oct 10
American Airlines Logo
10:55 pm - 11:05 amPDX  Portland-TYS Knoxville McGhee Tyson
9h 10m1 stop Chicago O'Hare Intl
American Airlines Logo
4:38 pm - 11:59 pmTYS  Knoxville McGhee Tyson-PDX Portland
10h 21m1 stop Chicago O'Hare Intl
$299American Airlines
Sun, Nov 15 - Sun, Nov 22
Multiple Airlines Logo
12:07 pm - 1:31 pmPDX  Portland-TYS Knoxville McGhee Tyson
22h 24m2 stops Denver Intl Orlando
Multiple Airlines Logo
6:20 am - 7:56 pmTYS  Knoxville McGhee Tyson-PDX Portland
16h 36m1 stop Denver Intl
$358Multiple Airlines
Mon, Oct 19 - Fri, Oct 23
American Airlines Logo
10:30 pm - 9:38 amPDX  Portland-TYS Knoxville McGhee Tyson
8h 08m1 stop Charlotte Douglas
American Airlines Logo
6:55 pm - 11:59 pmTYS  Knoxville McGhee Tyson-PDX Portland
8h 04m1 stop Chicago O'Hare Intl
$362American Airlines
Tue, Oct 20 - Sat, Oct 24
United Airlines Logo
12:45 pm - 10:14 pmPDX  Portland-TYS Knoxville McGhee Tyson
6h 29m1 stop Denver Intl
United Airlines Logo
6:03 pm - 10:23 pmTYS  Knoxville McGhee Tyson-PDX Portland
7h 20m1 stop Chicago O'Hare Intl
$363United Airlines
Tue, Oct 13 - Sat, Oct 17
Delta Logo
11:00 pm - 9:34 amPDX  Portland-TYS Knoxville McGhee Tyson
7h 34m1 stop Atlanta Hartsfield-Jackson
Delta Logo
5:40 am - 10:42 amTYS  Knoxville McGhee Tyson-PDX Portland
8h 02m1 stop Atlanta Hartsfield-Jackson
$363Delta
Sat, Oct 17 - Tue, Oct 20
American Airlines Logo
1:12 pm - 11:59 pmPDX  Portland-TYS Knoxville McGhee Tyson
7h 47m1 stop Chicago O'Hare Intl
American Airlines Logo
6:55 pm - 11:59 pmTYS  Knoxville McGhee Tyson-PDX Portland
8h 04m1 stop Chicago O'Hare Intl
$363American Airlines
Mon, Oct 19 - Fri, Oct 23
United Airlines Logo
11:30 pm - 9:45 amPDX  Portland-TYS Knoxville McGhee Tyson
7h 15m1 stop Chicago O'Hare Intl
United Airlines Logo
3:45 pm - 10:53 pmTYS  Knoxville McGhee Tyson-PDX Portland
10h 08m2 stops Houston George Bush Intcntl Denver Intl
$367United Airlines
Wed, Nov 18 - Sat, Nov 21
Southwest Logo
6:20 am - 3:30 pmPDX  Portland-TYS Knoxville McGhee Tyson
6h 10m1 stop Denver Intl
Southwest Logo
5:55 pm - 10:45 pmTYS  Knoxville McGhee Tyson-PDX Portland
7h 50m1 stop Denver Intl
$400Southwest
Wed, Nov 18 - Sat, Nov 21
Southwest Logo
6:20 am - 3:30 pmPDX  Portland-TYS Knoxville McGhee Tyson
6h 10m1 stop Denver Intl
Southwest Logo
5:55 pm - 1:20 amTYS  Knoxville McGhee Tyson-PDX Portland
10h 25m2 stops Denver Intl Las Vegas Harry Reid Intl
$405Southwest
Sat, Oct 17 - Tue, Oct 20
Delta Logo
11:00 pm - 9:34 amPDX  Portland-TYS Knoxville McGhee Tyson
7h 34m1 stop Atlanta Hartsfield-Jackson
Delta Logo
5:40 am - 11:49 amTYS  Knoxville McGhee Tyson-PDX Portland
9h 09m2 stops Atlanta Hartsfield-Jackson Seattle/Tacoma Intl
$441Delta
Booking Insights

Price, demand and travel trends for Portland to Knoxville flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Portland to Knoxville with more confidence.

What's the cheapest day of the week to fly from Portland to Knoxville?

Tuesday is the cheapest day of the week to fly from Portland to Knoxville, it is 12% cheaper than the average day. Monday is the most expensive day with flight prices 15% higher than average. Based on deals found by KAYAK users in the last 12 months.

What is the cheapest month to fly from Portland to Knoxville?

  • February is the cheapest month to fly from Portland to Knoxville at $398 round-trip.
  • July ($597) and March ($582) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 50% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from Portland to Knoxville the cheapest?

Flights from Portland to Knoxville are cheapest 10 weeks before departure. Booking in this window typically costs about 48% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

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Key details for Portland to Knoxville flights

Low season

January

Cheapest flight

$203
Best time to beat the crowds with an average 17% drop in price.
Most popular time to fly with an average 8% increase in price.
Flight from Portland to Knoxville

When to book flights from Portland to Knoxville

Are your dates flexible? Find out the best times to travel from Portland to Knoxville based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Portland to Knoxville flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Which airports can I use when flying from Portland to Knoxville?

    Flights from Portland to Knoxville usually depart from Portland (PDX) and arrive at Knoxville McGhee Tyson (TYS).

  • What cabin classes can I book on flights from Portland to Knoxville?

    Two cabin classes are available on flights from Portland to Knoxville:

    • Economy Class
    • First Class

  • Which airports do connecting flights from Portland to Knoxville pass through?

    One-stop flights from Portland to Knoxville most commonly connect through:

    • Dallas/Fort Worth (DFW) - 63% of one-stop connections
    • Chicago O'Hare Intl (ORD) - 15% of one-stop connections
    • Denver Intl (DEN) - 12% of one-stop connections
    • Atlanta Hartsfield-Jackson (ATL) - 3% of one-stop connections

    Dallas/Fort Worth (DFW) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from Portland to Knoxville?

    Yes. Being flexible with your travel dates can save you up to 24% on the Portland to Knoxville route. Tuesday is the cheapest departure day at $436 round-trip on average, while Monday is the most expensive at $570, a difference of $134. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How expensive are last-minute Portland to Knoxville flights?

    Last-minute fares on this route - booked within 2 weeks of departure - run 51% above the route average of $492. Book 10 weeks before departure for the lowest fares.

  • How long is a flight from Portland to Knoxville?

    A nonstop flight from Portland to Knoxville takes 0h 00m, covering 2,107 miles.

  • Do I need a passport to fly from Portland to Knoxville?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

  • Have flight prices from Portland to Knoxville changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $299 to $1,997. That means the highest observed fare was about 7x higher than the lowest one.

  • How are flight prices from Portland to Knoxville looking right now?

    One-way fares from Portland to Knoxville are currently lower than usual. Average one-way flight prices are about $270, which is 5% below the typical average for this route.

  • How much time can I save by choosing a different layover airport from Portland to Knoxville?

    Flying via Minneapolis St Paul (MSP) gives the shortest average 1-stop total travel time at 6h 58m, compared with 7h 29m via Denver Intl (DEN) and 7h 31m via Detroit Metropolitan Wayne County (DTW).

  • What is the time difference between Portland and Knoxville?

    Knoxville is 3 hours ahead of Portland (Eastern Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available at Knoxville McGhee Tyson Airport (TYS)?

    Knoxville McGhee Tyson Airport (TYS) hosts 5 major car rental companies, with daily rates starting from around $33 for economy cars. Top options include:
    • Budget
    • Alamo
    • Thrifty
    • Enterprise Rent-A-Car
    • Payless

  • How much should I expect to pay for a Portland to Knoxville flight?

    Round-trip flights from Portland to Knoxville range from $414 to $619, with an average of $492 over the past 12 months. Anything below $414 counts as a good deal.

Your guide to booking Portland to Knoxville flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Tuesday departure instead of Monday. On this route, Tuesday flights average $436 - about $134 less than Monday (24% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 10 weeks before you fly. On this route, that window historically saves about 48% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Portland to Knoxville trip for February. Fares historically average $398 round-trip in that month - typically $199 less than the most expensive month, which is July (based on the last 12 months).

More options for your flight from Portland to Knoxville

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