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Cheap flights from Knoxville to Portland from $182

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Knoxville to Portland

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
2:55 pm - 7:32 pmTYS  Knoxville McGhee Tyson-PDX Portland
7h 37m1 stop Dallas/Fort Worth
American Airlines Logo
5:00 am - 4:42 pmPDX  Portland-TYS Knoxville McGhee Tyson
8h 42m1 stop Dallas/Fort Worth
$363American Airlines
Thu, Nov 5 - Wed, Nov 11
American Airlines Logo
1:42 pm - 8:42 pmTYS  Knoxville McGhee Tyson-PDX Portland
10h 00m1 stop Charlotte Douglas
American Airlines Logo
11:57 am - 11:32 pmPDX  Portland-TYS Knoxville McGhee Tyson
8h 35m1 stop Dallas/Fort Worth
$363American Airlines
Thu, Nov 5 - Wed, Nov 11
United Airlines Logo
5:40 pm - 10:27 pmTYS  Knoxville McGhee Tyson-PDX Portland
7h 47m1 stop Chicago O'Hare Intl
United Airlines Logo
5:00 am - 4:04 pmPDX  Portland-TYS Knoxville McGhee Tyson
8h 04m1 stop Denver Intl
$363United Airlines
Thu, Oct 29 - Sat, Oct 31
United Airlines Logo
4:53 pm - 9:10 pmTYS  Knoxville McGhee Tyson-PDX Portland
7h 17m1 stop Denver Intl
United Airlines Logo
11:30 pm - 9:53 amPDX  Portland-TYS Knoxville McGhee Tyson
7h 23m1 stop Chicago O'Hare Intl
$363United Airlines
Wed, Oct 21 - Wed, Oct 28
Delta Logo
5:40 am - 10:42 amTYS  Knoxville McGhee Tyson-PDX Portland
8h 02m1 stop Atlanta Hartsfield-Jackson
Delta Logo
11:00 pm - 9:34 amPDX  Portland-TYS Knoxville McGhee Tyson
7h 34m1 stop Atlanta Hartsfield-Jackson
$363Delta
Wed, Oct 21 - Mon, Oct 26
Delta Logo
5:40 am - 10:42 amTYS  Knoxville McGhee Tyson-PDX Portland
8h 02m1 stop Atlanta Hartsfield-Jackson
Delta Logo
1:56 pm - 11:11 pmPDX  Portland-TYS Knoxville McGhee Tyson
6h 15m1 stop Minneapolis St Paul
$363Delta
Thu, Nov 5 - Wed, Nov 11
American Airlines Logo
5:26 pm - 11:39 pmTYS  Knoxville McGhee Tyson-PDX Portland
9h 13m1 stop Dallas/Fort Worth
American Airlines Logo
11:49 pm - 12:12 pmPDX  Portland-TYS Knoxville McGhee Tyson
9h 23m1 stop Dallas/Fort Worth
$363American Airlines
Thu, Oct 29 - Mon, Nov 2
Delta Logo
4:11 pm - 9:49 pmTYS  Knoxville McGhee Tyson-PDX Portland
8h 38m1 stop Atlanta Hartsfield-Jackson
Delta Logo
11:00 pm - 10:45 amPDX  Portland-TYS Knoxville McGhee Tyson
8h 45m1 stop Atlanta Hartsfield-Jackson
$363Delta
Wed, Oct 28 - Mon, Nov 2
Southwest Logo
7:05 am - 6:05 pmTYS  Knoxville McGhee Tyson-PDX Portland
14h 00m2 stops Nashville Intl Denver Intl
Southwest Logo
6:30 am - 7:50 pmPDX  Portland-TYS Knoxville McGhee Tyson
10h 20m2 stops Phoenix Sky Harbor Intl Nashville Intl
$379Southwest
Tue, Nov 10 - Wed, Nov 18
Multiple Airlines Logo
6:30 am - 11:12 amTYS  Knoxville McGhee Tyson-PDX Portland
7h 42m1 stop Denver Intl
Multiple Airlines Logo
6:29 pm - 11:29 pmPDX  Portland-TYS Knoxville McGhee Tyson
26h 00m2 stops Los Angeles Orlando
$382Multiple Airlines
Sun, Nov 15 - Sun, Nov 22

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American Airlines flights from Knoxville to Portland

Our best American Airlines deals on Knoxville to Portland flight tickets
American Airlines
Dec 1
TYS5:30 amKnoxville McGhee Tyson
8h 37m
1 stop
PDX11:07 amPortland
Dec 8
PDX7:00 amPortland
6h 42m
1 stop
TYS4:42 pmKnoxville McGhee Tyson
$366
American Airlines
Dec 1
TYS12:42 pmKnoxville McGhee Tyson
12h 19m
1 stop
PDX10:01 pmPortland
Dec 8
PDX9:50 pmPortland
8h 55m
1 stop
TYS9:45 amKnoxville McGhee Tyson
$371
American Airlines
Oct 28
TYS6:00 amKnoxville McGhee Tyson
10h 39m
2 stops
PDX1:39 pmPortland
Nov 2
PDX1:22 pmPortland
7h 25m
1 stop
TYS11:47 pmKnoxville McGhee Tyson
$377

Delta flights from Knoxville to Portland

Our best Delta deals on Knoxville to Portland flight tickets
Delta
Nov 13
TYS4:00 pmKnoxville McGhee Tyson
8h 57m
1 stop
PDX9:57 pmPortland
Nov 21
PDX11:20 pmPortland
8h 00m
1 stop
TYS10:20 amKnoxville McGhee Tyson
$446
Delta
Oct 12
TYS5:40 amKnoxville McGhee Tyson
8h 02m
1 stop
PDX10:42 amPortland
Oct 15
PDX2:20 pmPortland
6h 39m
1 stop
TYS11:59 pmKnoxville McGhee Tyson
$485
Delta
Nov 5
TYS5:40 amKnoxville McGhee Tyson
8h 02m
1 stop
PDX10:42 amPortland
Nov 11
PDX7:35 pmPortland
11h 45m
2 stops
TYS10:20 amKnoxville McGhee Tyson
$491

momondo Fare Finder

 
Use the filters below to find and compare flights from Knoxville to Portland that are best for you.

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Cheapest round-trip

KnoxvillePortland

TYS Knoxville McGhee Tyson - PDX Portland

TYSPDX

Knoxville McGhee Tyson

Thu 11/5

2:55 pm-7:32 pm

1 stop7h 37m

Portland

Wed 11/11

5:00 am-4:42 pm

1 stop8h 42m

$363

KnoxvillePortland

TYS Knoxville McGhee Tyson - PDX Portland

TYSPDX

Knoxville McGhee Tyson

Thu 11/5

1:42 pm-8:42 pm

1 stop10h 00m

Portland

Wed 11/11

11:57 am-11:32 pm

1 stop8h 35m

$363

KnoxvillePortland

TYS Knoxville McGhee Tyson - PDX Portland

TYSPDX

Knoxville McGhee Tyson

Thu 10/29

5:40 pm-10:27 pm

1 stop7h 47m

Portland

Sat 10/31

5:00 am-4:04 pm

1 stop8h 04m

$363

KnoxvillePortland

TYS Knoxville McGhee Tyson - PDX Portland

TYSPDX

Knoxville McGhee Tyson

Wed 10/21

4:53 pm-9:10 pm

1 stop7h 17m

Portland

Wed 10/28

11:30 pm-9:53 am

1 stop7h 23m

$363

KnoxvillePortland

TYS Knoxville McGhee Tyson - PDX Portland

TYSPDX

Knoxville McGhee Tyson

Wed 10/21

5:40 am-10:42 am

1 stop8h 02m

Portland

Mon 10/26

11:00 pm-9:34 am

1 stop7h 34m

$363
Quickest round-trip

KnoxvillePortland

TYS Knoxville McGhee Tyson - PDX Portland

TYSPDX

Knoxville McGhee Tyson

Thu 11/5

5:40 am-10:42 am

1 stop8h 02m

Portland

Wed 11/11

1:56 pm-11:11 pm

1 stop6h 15m

$363

KnoxvillePortland

TYS Knoxville McGhee Tyson - PDX Portland

TYSPDX

Knoxville McGhee Tyson

Thu 10/29

5:26 pm-11:39 pm

1 stop9h 13m

Portland

Mon 11/2

11:49 pm-12:12 pm

1 stop9h 23m

$363

KnoxvillePortland

TYS Knoxville McGhee Tyson - PDX Portland

TYSPDX

Knoxville McGhee Tyson

Wed 10/28

4:11 pm-9:49 pm

1 stop8h 38m

Portland

Mon 11/2

11:00 pm-10:45 am

1 stop8h 45m

$363

KnoxvillePortland

TYS Knoxville McGhee Tyson - PDX Portland

TYSPDX

Knoxville McGhee Tyson

Tue 11/10

7:05 am-6:05 pm

2 stops14h 00m

Portland

Wed 11/18

6:30 am-7:50 pm

2 stops10h 20m

$379

KnoxvillePortland

TYS Knoxville McGhee Tyson - PDX Portland

TYSPDX

Knoxville McGhee Tyson

Sun 11/15

6:30 am-11:12 am

1 stop7h 42m

Portland

Sun 11/22

6:29 pm-11:29 pm

2 stops26h 00m

$382

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Portland from

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 typical price of a round-trip flight between Knoxville and Portland?

Prices are currently low for flights on this route.

Typical prices usually range from $466 to $604.
The lowest price recently found on this route was $363.

What is the cheapest month to fly to Portland?

The cheapest month to fly to Portland from Knoxville is in November. Flight prices, which tend to average around $354, are often lower during this time because this is during the off-season. If you don’t want to visit Portland in November, then you should wait until February to fly from Knoxville, when ticket prices are also cheap, with an average price of $401.

How far in advance should I book a flight from Knoxville 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 $513 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 $354 on momondo.

How have Knoxville to Portland flight prices changed over time?

As of September 2026, prices for Knoxville to Portland flights are approximately 74% more expensive when compared to flights at the same time last year.

When to book flights from Knoxville to Portland

Are you open to changing your travel dates? Check out the ideal times to fly from Knoxville to Portland according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

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

Best Price Found

$182

Fastest flight time

7h 17m

Direct flights

None
The best one-way flight to Portland from Knoxville in the past 72 hours is $182. The best round-trip flight deal from Knoxville to Portland found on momondo in the last 72 hours is $363.
The fastest flight from Knoxville to Portland takes 7h 17m
There are no direct flights from Knoxville to Portland. There are no popular flight routes from Knoxville to Portland.
Search flight deals

Frequently asked questions about flying 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 7h 17m.

  • 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?

  • 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?

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
American AirlinesPriceFrom $319Free CancellationRating
7.0
12,099 reviews
Search American Airlines flights
United AirlinesPriceFrom $345Free CancellationRating
7.4
10,242 reviews
Search United Airlines flights
DeltaPriceFrom $354Free CancellationRating
7.8
8,605 reviews
Search Delta flights

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
Lincoln City
Seaside
Vancouver
Cannon Beach
Salem
Astoria
Beaverton
Long Beach
Hillsboro
Rockaway Beach
Tigard
Longview
Hood River
Newberg
Clackamas
Troutdale
Gresham
McMinnville
Wilsonville
Depoe Bay

Why 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.

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