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Cheap flights from Oregon to Knoxville from $135

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Oregon to Knoxville departing on 11/19. 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 Oregon to Knoxville

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
12:43 pm - 7:32 pmPDX-TYS
27h 49m1 stop
Frontier Logo
8:17 pm - 2:31 pmTYS-PDX
21h 14m1 stop
$255Frontier
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Thu, Oct 16 - Mon, Oct 20
Delta Logo
10:10 pm - 9:00 amPDX-TYS
7h 50m1 stop
Delta Logo
6:40 am - 12:50 pmTYS-PDX
9h 10m1 stop
$269Delta
Find Deal
Tue, Oct 21 - Wed, Oct 29
American Airlines Logo
6:00 am - 6:46 pmPDX-TYS
9h 46m2 stops
American Airlines Logo
6:08 am - 11:45 amTYS-PDX
8h 37m1 stop
$334American Airlines
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Fri, Jan 30 - Sun, Feb 1
Multiple Airlines Logo
12:28 pm - 7:32 pmBOI-TYS
29h 04m1 stop
Multiple Airlines Logo
7:00 am - 11:43 amTYS-BOI
6h 43m1 stop
$354Multiple Airlines
Find Deal
Thu, Oct 23 - Sun, Oct 26
United Airlines Logo
5:30 am - 11:43 pmPDX-TYS
15h 13m3 stops
United Airlines Logo
9:50 am - 5:52 pmTYS-PDX
11h 02m2 stops
$384United Airlines
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Tue, Oct 21 - Wed, Oct 29
American Airlines Logo
8:29 am - 10:47 pmPDX-TYS
11h 18m2 stops
American Airlines Logo
6:51 pm - 11:32 pmTYS-PDX
7h 41m1 stop
$388American Airlines
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Thu, Jan 29 - Sun, Feb 1
United Airlines Logo
6:52 pm - 10:48 amEUG-TYS
12h 56m2 stops
United Airlines Logo
4:50 pm - 9:38 pmTYS-EUG
7h 48m1 stop
$390United Airlines
Find Deal
Tue, Nov 11 - Sat, Nov 15
Multiple Airlines Logo
12:28 pm - 2:19 pmBOI-TYS
23h 51m2 stops
Multiple Airlines Logo
7:00 am - 11:43 amTYS-BOI
6h 43m1 stop
$408Multiple Airlines
Find Deal
Thu, Oct 23 - Sun, Oct 26
Alaska Airlines Logo
8:45 pm - 11:23 amMFR-TYS
11h 38m2 stops
Alaska Airlines Logo
5:10 am - 1:58 pmTYS-MFR
11h 48m2 stops
$490Alaska Airlines
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Mon, Nov 10 - Mon, Nov 17
Alaska Airlines Logo
11:30 pm - 11:44 amPDX-TYS
9h 14m1 stop
Alaska Airlines Logo
2:00 pm - 12:18 amTYS-PDX
13h 18m2 stops
$494Alaska Airlines
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Thu, Oct 16 - Wed, Oct 22

Delta flights from Oregon to Knoxville

Our best Delta deals on Oregon to Knoxville flight tickets
Delta
Oct 21
PDX10:10 pmPortland
7h 50m
1 stop
TYS9:00 amKnoxville McGhee Tyson
Oct 29
TYS6:40 amKnoxville McGhee Tyson
9h 10m
1 stop
PDX12:50 pmPortland
$269
Find similar
Delta
Oct 21
PDX10:10 pmPortland
7h 50m
1 stop
TYS9:00 amKnoxville McGhee Tyson
Oct 29
TYS6:40 amKnoxville McGhee Tyson
9h 09m
2 stops
PDX12:49 pmPortland
$274
Find similar
Delta
Dec 9
PDX5:30 amPortland
10h 28m
2 stops
TYS6:58 pmKnoxville McGhee Tyson
Dec 13
TYS8:45 amKnoxville McGhee Tyson
15h 07m
2 stops
PDX8:52 pmPortland
$279
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American Airlines flights from Oregon to Knoxville

Our best American Airlines deals on Oregon to Knoxville flight tickets
American Airlines
Oct 14
PDX9:52 pmPortland
9h 00m
1 stop
TYS9:52 amKnoxville McGhee Tyson
Oct 21
TYS6:00 amKnoxville McGhee Tyson
7h 56m
1 stop
PDX10:56 amPortland
$329
Find similar
American Airlines
Jan 30
PDX6:00 amPortland
9h 46m
2 stops
TYS6:46 pmKnoxville McGhee Tyson
Feb 1
TYS6:08 amKnoxville McGhee Tyson
8h 37m
1 stop
PDX11:45 amPortland
$334
Find similar
American Airlines
Jan 29
PDX8:29 amPortland
11h 18m
2 stops
TYS10:47 pmKnoxville McGhee Tyson
Feb 1
TYS6:51 pmKnoxville McGhee Tyson
7h 41m
1 stop
PDX11:32 pmPortland
$388
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Oregon to Knoxville 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 October 2, 2025.
Use the filters below to find and compare flights from Oregon to Knoxville that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortlandKnoxville

PDX - TYS

PDXTYS

Portland

Thu 10/16

12:43 pm-7:32 pm

1 stop27h 49m

Knoxville McGhee Tyson

Mon 10/20

8:17 pm-2:31 pm

1 stop21h 14m

$255

PortlandKnoxville

PDX - TYS

PDXTYS

Portland

Tue 10/21

10:10 pm-9:00 am

1 stop7h 50m

Knoxville McGhee Tyson

Wed 10/29

6:40 am-12:50 pm

1 stop9h 10m

$269

PortlandKnoxville

PDX - TYS

PDXTYS

Portland

Fri 1/30

6:00 am-6:46 pm

2 stops9h 46m

Knoxville McGhee Tyson

Sun 2/1

6:08 am-11:45 am

1 stop8h 37m

$334

BoiseKnoxville

BOI - TYS

BOITYS

Boise Air Term. Gowen Fld

Thu 10/23

12:28 pm-7:32 pm

1 stop29h 04m

Knoxville McGhee Tyson

Sun 10/26

7:00 am-11:43 am

1 stop6h 43m

$354

PortlandKnoxville

PDX - TYS

PDXTYS

Portland

Tue 10/21

5:30 am-11:43 pm

3 stops15h 13m

Knoxville McGhee Tyson

Wed 10/29

9:50 am-5:52 pm

2 stops11h 02m

$384

PortlandKnoxville

PDX - TYS

PDXTYS

Portland

Thu 1/29

8:29 am-10:47 pm

2 stops11h 18m

Knoxville McGhee Tyson

Sun 2/1

6:51 pm-11:32 pm

1 stop7h 41m

$388

EugeneKnoxville

EUG - TYS

EUGTYS

Eugene

Tue 11/11

6:52 pm-10:48 am

2 stops12h 56m

Knoxville McGhee Tyson

Sat 11/15

4:50 pm-9:38 pm

1 stop7h 48m

$390

BoiseKnoxville

BOI - TYS

BOITYS

Boise Air Term. Gowen Fld

Thu 10/23

12:28 pm-2:19 pm

2 stops23h 51m

Knoxville McGhee Tyson

Sun 10/26

7:00 am-11:43 am

1 stop6h 43m

$408

MedfordKnoxville

MFR - TYS

MFRTYS

Medford

Mon 11/10

8:45 pm-11:23 am

2 stops11h 38m

Knoxville McGhee Tyson

Mon 11/17

5:10 am-1:58 pm

2 stops11h 48m

$490

PortlandKnoxville

PDX - TYS

PDXTYS

Portland

Thu 10/16

11:30 pm-11:44 am

1 stop9h 14m

Knoxville McGhee Tyson

Wed 10/22

2:00 pm-12:18 am

2 stops13h 18m

$494

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Oregon to Knoxville

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 Knoxville?

The month of February is, on average, the cheapest month to fly to Knoxville from Oregon, with most prices found around $380. If you aren’t able to travel during the month of February, then book flights to Knoxville from Oregon during August instead. Flights to Knoxville in August, while not as cheap as those in February, still average around $388.

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

The cheapest day to depart from Oregon to Knoxville is on a Tuesday. Travelers who choose to depart for Knoxville on a Tuesday will often find tickets for as low as $442. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Oregon to Knoxville for around $583.

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

At noon is the cheapest time of day to fly from Oregon to Knoxville when you can find flight prices for as low as $460. Flying to Knoxville at noon is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to Knoxville is in the evening when prices are around $478.

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

You are more likely to see cheaper flights to Knoxville from Oregon when booking weeks ahead of your departure date. In general, you can expect to find flights to Knoxville for around $461 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Knoxville from Oregon for as low as $336 on momondo.

Can stopping save me money on Oregon to Knoxville flights?

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

Cheap Oregon to Knoxville flight deals and tips

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

Direct flights

None
There are no direct flights from Oregon to Knoxville. There are no popular flight routes from Oregon to Knoxville.
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  • When did momondo last update prices for flights from Oregon to Knoxville McGhee Tyson Airport?

    Prices for flights from Oregon to Knoxville McGhee Tyson Airport refresh daily.

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

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

  • What documentation or ID do you need to fly to Knoxville McGhee Tyson Airport?

    The necessary travel and health documents for your Knoxville McGhee Tyson 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.

Best airlines flying from Oregon to Knoxville

Compare and see reviews for airlines that fly from Oregon to Knoxville with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $157Free CancellationRating
5.8
3,155 reviews
Search Frontier flights
United AirlinesPriceFrom $258Free CancellationRating
7.4
8,933 reviews
Search United Airlines flights
American AirlinesPriceFrom $293Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $308Free CancellationRating
7.9
7,962 reviews
Search Delta flights

Traveling to a place near Knoxville?

Book flights to Knoxville if you plan to visit one of these locations
Pigeon Forge
Gatlinburg
Cherokee
Bryson City
Morristown
Corbin
Crossville
Maryville
Murphy
Alcoa
Oak Ridge
Lenoir City
Newport
Kodak
Dandridge
Clinton
Jefferson City
Rockford

Why use momondo?

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

It is quick and easy to find Oregon to Knoxville 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 Knoxville that suits you.

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

momondo does allow users to show only those flights to Knoxville from Oregon which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Oregon to Knoxville?

Once all potential Oregon to Knoxville 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 Oregon to Knoxville right now. Can momondo alert me if prices change?

Price alerts on flights to Knoxville from Oregon are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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