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Cheap flights from Knoxville to Oregon from $129

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 Oregon departing on 9/25. 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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0 bags

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Find the cheapest flights from Knoxville to Oregon

Cheap round-trip flights

Frontier Logo
8:17 pm - 8:47 pmTYS-PDX
27h 30m2 stops
Frontier Logo
12:43 pm - 7:32 pmPDX-TYS
27h 49m1 stop
$248Frontier
Find Deal
Thu, Oct 9 - Thu, Oct 16
Logo
7:00 am - 11:56 amTYS-PDX
7h 56m1 stop
Logo
12:52 pm - 1:44 pmPDX-TYS
21h 52m1 stop
$259
Find Deal
Thu, Nov 6 - Sat, Nov 8
Delta Logo
5:44 am - 10:16 amTYS-PDX
7h 32m1 stop
Delta Logo
11:39 am - 9:13 pmPDX-TYS
6h 34m1 stop
$271Delta
Find Deal
Tue, Nov 4 - Sat, Nov 8
Delta Logo
5:44 am - 12:50 pmTYS-PDX
10h 06m2 stops
Delta Logo
11:39 am - 9:13 pmPDX-TYS
6h 34m1 stop
$276Delta
Find Deal
Tue, Nov 4 - Sat, Nov 8
American Airlines Logo
4:49 pm - 12:05 amTYS-PDX
10h 16m1 stop
American Airlines Logo
5:38 am - 3:41 pmPDX-TYS
7h 03m1 stop
$300American Airlines
Find Deal
Wed, Sep 24 - Mon, Sep 29
American Airlines Logo
2:07 pm - 9:16 pmTYS-PDX
10h 09m2 stops
American Airlines Logo
5:38 am - 5:54 pmPDX-TYS
9h 16m1 stop
$305American Airlines
Find Deal
Wed, Sep 24 - Mon, Sep 29
United Airlines Logo
4:50 pm - 9:07 pmTYS-RDM
7h 17m1 stop
United Airlines Logo
1:17 pm - 10:30 pmRDM-TYS
6h 13m1 stop
$371United Airlines
Find Deal
Sat, Nov 15 - Tue, Nov 18
Alaska Airlines Logo
12:08 pm - 7:05 pmTYS-PDX
9h 57m1 stop
Alaska Airlines Logo
7:00 am - 5:46 pmPDX-TYS
7h 46m1 stop
$371Alaska Airlines
Find Deal
Sat, Nov 8 - Wed, Nov 12
United Airlines Logo
5:45 am - 12:57 pmTYS-RDM
10h 12m2 stops
United Airlines Logo
1:17 pm - 10:30 pmRDM-TYS
6h 13m1 stop
$376United Airlines
Find Deal
Sat, Nov 15 - Tue, Nov 18
Alaska Airlines Logo
5:51 am - 12:04 pmTYS-EUG
9h 13m1 stop
Alaska Airlines Logo
5:00 am - 5:31 pmEUG-TYS
9h 31m2 stops
$494Alaska Airlines
Find Deal
Sat, Feb 21 - Tue, Feb 24

Delta flights from Knoxville to Oregon

Our best Delta deals on Knoxville to Oregon flight tickets
Delta
Nov 4
TYS5:44 amKnoxville McGhee Tyson
7h 32m
1 stop
PDX10:16 amPortland
Nov 8
PDX11:39 amPortland
6h 34m
1 stop
TYS9:13 pmKnoxville McGhee Tyson
$271
Find similar
Delta
Nov 4
TYS5:44 amKnoxville McGhee Tyson
10h 06m
2 stops
PDX12:50 pmPortland
Nov 8
PDX11:39 amPortland
6h 34m
1 stop
TYS9:13 pmKnoxville McGhee Tyson
$276
Find similar
Delta
Nov 4
TYS5:44 amKnoxville McGhee Tyson
10h 05m
2 stops
PDX12:49 pmPortland
Nov 11
PDX5:30 amPortland
10h 30m
2 stops
TYS7:00 pmKnoxville McGhee Tyson
$281
Find similar

American Airlines flights from Knoxville to Oregon

Our best American Airlines deals on Knoxville to Oregon flight tickets
American Airlines
Sep 24
TYS4:49 pmKnoxville McGhee Tyson
10h 16m
1 stop
PDX12:05 amPortland
Sep 29
PDX5:38 amPortland
7h 03m
1 stop
TYS3:41 pmKnoxville McGhee Tyson
$300
Find similar
American Airlines
Sep 24
TYS2:07 pmKnoxville McGhee Tyson
10h 09m
2 stops
PDX9:16 pmPortland
Sep 29
PDX5:38 amPortland
9h 16m
1 stop
TYS5:54 pmKnoxville McGhee Tyson
$305
Find similar
American Airlines
Oct 16
TYS6:22 pmKnoxville McGhee Tyson
7h 46m
1 stop
PDX11:08 pmPortland
Oct 19
PDX11:59 pmPortland
8h 45m
1 stop
TYS11:44 amKnoxville McGhee Tyson
$354
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Knoxville to Oregon that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated September 3, 2025.
Use the filters below to find and compare flights from Knoxville to Oregon that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

KnoxvillePortland

TYS - PDX

TYSPDX

Knoxville McGhee Tyson

Thu 10/9

8:17 pm-8:47 pm

2 stops27h 30m

Portland

Thu 10/16

12:43 pm-7:32 pm

1 stop27h 49m

$248

KnoxvillePortland

TYS - PDX

TYSPDX

Knoxville McGhee Tyson

Thu 11/6

7:00 am-11:56 am

1 stop7h 56m

Portland

Sat 11/8

12:52 pm-1:44 pm

1 stop21h 52m

$259

KnoxvillePortland

TYS - PDX

TYSPDX

Knoxville McGhee Tyson

Tue 11/4

5:44 am-10:16 am

1 stop7h 32m

Portland

Sat 11/8

11:39 am-9:13 pm

1 stop6h 34m

$271

KnoxvillePortland

TYS - PDX

TYSPDX

Knoxville McGhee Tyson

Tue 11/4

5:44 am-12:50 pm

2 stops10h 06m

Portland

Sat 11/8

11:39 am-9:13 pm

1 stop6h 34m

$276

KnoxvillePortland

TYS - PDX

TYSPDX

Knoxville McGhee Tyson

Wed 9/24

4:49 pm-12:05 am

1 stop10h 16m

Portland

Mon 9/29

5:38 am-3:41 pm

1 stop7h 03m

$300

KnoxvillePortland

TYS - PDX

TYSPDX

Knoxville McGhee Tyson

Wed 9/24

2:07 pm-9:16 pm

2 stops10h 09m

Portland

Mon 9/29

5:38 am-5:54 pm

1 stop9h 16m

$305

KnoxvilleRedmond

TYS - RDM

TYSRDM

Knoxville McGhee Tyson

Sat 11/15

4:50 pm-9:07 pm

1 stop7h 17m

Bend/Redmond

Tue 11/18

1:17 pm-10:30 pm

1 stop6h 13m

$371

KnoxvillePortland

TYS - PDX

TYSPDX

Knoxville McGhee Tyson

Sat 11/8

12:08 pm-7:05 pm

1 stop9h 57m

Portland

Wed 11/12

7:00 am-5:46 pm

1 stop7h 46m

$371

KnoxvilleRedmond

TYS - RDM

TYSRDM

Knoxville McGhee Tyson

Sat 11/15

5:45 am-12:57 pm

2 stops10h 12m

Bend/Redmond

Tue 11/18

1:17 pm-10:30 pm

1 stop6h 13m

$376

KnoxvilleEugene

TYS - EUG

TYSEUG

Knoxville McGhee Tyson

Sat 2/21

5:51 am-12:04 pm

1 stop9h 13m

Eugene

Tue 2/24

5:00 am-5:31 pm

2 stops9h 31m

$494

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 Oregon from

How to get the cheapest flight ticket from Knoxville to Oregon

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 Oregon?

The month of February is, on average, the cheapest month to fly to Oregon from Knoxville, with most prices found around $323. The month of August is another great option to travel to Oregon, with average flight prices from Knoxville averaging around $343.

What is the cheapest day to depart on your flight to Oregon?

On average, the least expensive day to fly to Oregon from Knoxville is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $441. However, this price may fluctuate depending on the airline, the season, and holidays. The most expensive day to fly to Oregon is Sunday, with ticket prices averaging around $790.

What is the cheapest time of day to depart on your flight to Oregon?

According to our data, the cheapest time of day to fly to Oregon is in the evening. momondo users have found flights departing from Knoxville to Oregon in the evening for as low as $421. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Oregon are more costly in the afternoon, with an average ticket price of $512. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

How far in advance should I book a flight to Oregon?

You are more likely to see cheaper flights to Oregon from Knoxville when booking weeks ahead of your departure date. In general, you can expect to find flights to Oregon for around $461 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Oregon from Knoxville for as low as $338 on momondo.

Can stopping save me money on Knoxville to Oregon flights?

You could potentially save up to 54% on your flight if you consider stops on a Knoxville to Oregon flight.

Cheap Knoxville to Oregon flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Knoxville to Oregon

Direct flights

None
There are no direct flights from Knoxville to Oregon. There are no popular flight routes from Knoxville to Oregon.
Search flight deals

  • When did momondo last update prices for flights from Knoxville McGhee Tyson Airport to Oregon?

    Prices for flights from Knoxville McGhee Tyson Airport to Oregon were last updated today.

  • How many operators does momondo search for flights from Knoxville McGhee Tyson Airport to Oregon?

  • How old do you have to be to fly from Knoxville McGhee Tyson Airport to Oregon?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Knoxville McGhee Tyson Airport to Oregon.

  • What documentation or ID do you need to fly to Oregon?

    The travel and health documents required for your trip to Oregon can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Oregon. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Knoxville to Oregon

Compare and see reviews for airlines that fly from Knoxville to Oregon with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $146Free CancellationRating
5.8
3,196 reviews
Search Frontier flights
DeltaPriceFrom $276Free CancellationRating
7.9
7,972 reviews
Search Delta flights
American AirlinesPriceFrom $278Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $325Free CancellationRating
7.4
8,937 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $551Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Knoxville to Oregon?

It is quick and easy to find Knoxville to Oregon flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Oregon that suits you.

Can I find flights from Knoxville to Oregon with flexible booking policies on momondo?

momondo does allow users to show only those flights to Oregon 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 Oregon?

momondo helps you find the best flight between Knoxville and Oregon by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Knoxville to Oregon right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Knoxville to Oregon flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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