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Knoxville

$155+ Cheap flights from Oregon to Knoxville (TYS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — TYS
Aug 5 — Aug 121
Wed 8/5
Wed 8/12
1 adult, Economy
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Cheap flight deals from Oregon to Knoxville

Cheapest flights from Oregon to Knoxville
Explore the most affordable flight options available from Oregon to Knoxville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 6, 2026.

This Frontier deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/61:24 pm
BOI
-
TYS
1 stop28h 00m
Frontier
Wed 8/128:19 pm
TYS
-
BOI
1 stop18h 10m
Frontier
Deal found 7/2$275
This United Airlines deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/151:19 pm
EUG
-
TYS
1 stop8h 04m
United Airlines
Sat 9/196:00 am
TYS
-
EUG
1 stop8h 50m
United Airlines
Deal found 7/2$309
This American Airlines deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/118:01 am
BOI
-
TYS
2 stops11h 52m
American Airlines
Tue 8/186:03 am
TYS
-
BOI
1 stop7h 13m
American Airlines
Deal found 7/2$316
This Booking.com deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/281:24 pm
BOI
-
TYS
1 stop28h 00m
Frontier
Mon 8/38:19 pm
TYS
-
BOI
1 stop18h 10m
Frontier
Deal found 7/3$317
This United Airlines deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/112:44 pm
BOI
-
TYS
1 stop5h 45m
United Airlines
Tue 8/187:00 am
TYS
-
BOI
1 stop6h 28m
United Airlines
Deal found 7/2$324
This American Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/198:01 am
BOI
-
TYS
2 stops13h 17m
American Airlines
Thu 8/275:33 pm
TYS
-
BOI
1 stop6h 38m
American Airlines
Deal found 7/1$329
This United Airlines deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/122:44 pm
BOI
-
TYS
1 stop5h 45m
United Airlines
Thu 8/207:00 am
TYS
-
BOI
1 stop6h 28m
United Airlines
Deal found 7/3$337
This Booking.com deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/211:24 pm
BOI
-
TYS
1 stop28h 00m
Frontier
Wed 7/298:19 pm
TYS
-
BOI
1 stop18h 10m
Frontier
Deal found 7/3$343
This Southwest deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/227:05 am
BOI
-
TYS
2 stops9h 50m
Southwest
Tue 9/297:00 am
TYS
-
BOI
2 stops8h 40m
Southwest
Deal found 7/3$347
This Booking.com deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/612:20 pm
PDX
-
TYS
1 stop28h 04m
Frontier
Mon 8/108:19 pm
TYS
-
PDX
1 stop23h 12m
Frontier
Deal found 7/4$352
This American Airlines deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/127:00 am
PDX
-
TYS
1 stop6h 42m
American Airlines
Tue 9/226:00 am
TYS
-
PDX
1 stop7h 59m
American Airlines
Deal found 7/2$355
This Southwest deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1512:25 pm
EUG
-
TYS
2 stops20h 40m
Southwest
Sat 9/196:50 am
TYS
-
EUG
2 stops17h 25m
Southwest
Deal found 7/2$358

Find flight deals from Oregon to Knoxville

Keep the following information in mind while searching for Oregon to Knoxville flight deals. Data was last updated July 6, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$275
(Frontier)

One-way from

$155
(United Airlines)

Popular in

May

Cheapest in

August

Average price

$536
Provider with most accurate pricing for Portland-Knoxville McGhee Tyson flight deals.
Search Deals
Provider most trusted by Cheapflights users for Portland-Knoxville McGhee Tyson flights.
Search Deals
From Oregon to Knoxville McGhee Tyson
Search Deals
One-way flight from Oregon to Knoxville McGhee Tyson
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($47 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated July 6, 2026.
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

Cheapest round-trip
Quickest round-trip

BoiseKnoxville

BOI - TYS

BOITYS

Boise Air Term. Gowen Fld

Tue 8/11

2:44 pm-10:29 pm

1 stop5h 45m

Knoxville McGhee Tyson

Tue 8/18

7:00 am-11:28 am

1 stop6h 28m

$324

BoiseKnoxville

BOI - TYS

BOITYS

Boise Air Term. Gowen Fld

Sat 8/22

2:44 pm-10:29 pm

1 stop5h 45m

Knoxville McGhee Tyson

Sat 8/29

7:00 am-3:31 pm

2 stops10h 31m

$342

PortlandKnoxville

PDX - TYS

PDXTYS

Portland

Wed 9/23

7:02 am-4:58 pm

1 stop6h 56m

Knoxville McGhee Tyson

Sat 9/26

6:00 am-11:33 am

1 stop8h 33m

$355

MedfordKnoxville

MFR - TYS

MFRTYS

Medford

Mon 11/2

8:00 pm-9:50 am

2 stops10h 50m

Knoxville McGhee Tyson

Sat 11/7

5:01 pm-9:22 pm

1 stop7h 21m

$368

MedfordKnoxville

MFR - TYS

MFRTYS

Medford

Mon 11/2

5:25 pm-9:40 am

2 stops13h 15m

Knoxville McGhee Tyson

Sat 11/7

11:45 am-11:08 pm

2 stops14h 23m

$373

MedfordKnoxville

MFR - TYS

MFRTYS

Medford

Sun 8/2

9:33 pm-1:57 pm

1 stop13h 24m

Knoxville McGhee Tyson

Sat 8/8

6:00 pm-8:48 pm

2 stops29h 48m

$376

PortlandKnoxville

PDX - TYS

PDXTYS

Portland

Wed 9/23

5:50 am-6:55 pm

2 stops10h 05m

Knoxville McGhee Tyson

Sat 9/26

6:50 am-2:00 pm

2 stops10h 10m

$395

PortlandKnoxville

PDX - TYS

PDXTYS

Portland

Sat 8/22

11:34 pm-12:37 pm

2 stops10h 03m

Knoxville McGhee Tyson

Sat 8/29

6:03 am-10:54 am

1 stop7h 51m

$404

MedfordKnoxville

MFR - TYS

MFRTYS

Medford

Wed 9/30

5:00 am-3:52 pm

1 stop7h 52m

Knoxville McGhee Tyson

Wed 10/28

5:01 pm-9:22 pm

1 stop7h 21m

$422

BoiseKnoxville

BOI - TYS

BOITYS

Boise Air Term. Gowen Fld

Sat 10/31

2:39 pm-10:38 pm

1 stop5h 59m

Knoxville McGhee Tyson

Wed 11/4

5:01 pm-9:30 pm

1 stop6h 29m

$424

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

Showing 1-10 of 52 resultsSorted by cheapest first
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Best time to book a flight from Oregon to Knoxville

Have a flexible travel schedule? Discover the best time to fly to Knoxville from Oregon with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Oregon to Knoxville

What is the cheapest month to book a flight from Oregon to Knoxville?

Currently, October is the cheapest month in which you can book a flight from Oregon to Knoxville (average of $139). Flying from Oregon to Knoxville in June is currently the most expensive (average of $374). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from Oregon to Knoxville?

How far ahead should I book a flight from Oregon to Knoxville?

To ensure you get the cheapest price possible for a flight from Oregon to Knoxville, you should look to book at least 75 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

Related info for your journey

Find useful and relevant information for your journey from Oregon to Knoxville. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Knoxville from Oregon?

    Located just 11.3 mi from the city center, Knoxville McGhee Tyson (TYS) is the airport most travelers will use when flying to Knoxville from Oregon.

  • How long is the flight from Oregon to Knoxville?

    Departing from Oregon to Knoxville will take you 5h 45m. Airlines will cover a distance of 1782 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Oregon to Knoxville one-way?

    $125 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on United Airlines and Delta, with prices starting from $134 and $218, respectively.

  • What are the most popular routes from Oregon to Knoxville?

    The most popular flight routes from Oregon to Knoxville are Portland - Knoxville McGhee Tyson, Boise Air Term. Gowen Fld - Knoxville McGhee Tyson and Eugene - Knoxville McGhee Tyson.

  • Can I find deals for flights from Oregon to Knoxville that include hotel bookings?

    Yes. In addition to deals on Oregon to Knoxville flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Oregon to Knoxville?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Oregon to Knoxville.

  • Can I find deals for business class flights from Oregon to Knoxville?

    Yes. Cheapflights offers flight deals from Oregon to Knoxville by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Oregon to Knoxville?

    Currently, October is the cheapest month in which you can book a flight from Oregon to Knoxville (average of $139). Flying from Oregon to Knoxville in June is currently the most expensive (average of $374). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Knoxville?

Book flights to Knoxville if you plan to visit one of these locations
Cherokee
Crossville
Morristown
Bryson City
Murphy
Alcoa

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Top 4 airlines flying from Oregon to Knoxville

Discover the top 4 airlines that operate flights from Oregon to Knoxville. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 6, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$268Average$498FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$304Average$472FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$317Average$574FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$317Average$381FlexibilityNo cancel feeOn-time63%

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