Cheap Flights from Knoxville to Portland
Don’t miss today’s hottest flight offers, with unmissable trips to Portland from Knoxville for as low as MYR 409.
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Flights from Knoxville to Portland Starting at MYR 409
Discover our range of affordable one-way and round-trip flights from Knoxville to Portland and kick-start your next adventure today!
- One way
- Round-trip
TYS16:2311h 19m1 stopPDX00:42Thu, Mar 6|Knoxville - Portland|Frontier AirlinesMYR 409MYR 1,01260% OFF60% OFFMYR 1,012MYR 409
TYS05:458h 41m1 stopPDX11:26Sat, Mar 22|Knoxville - Portland|Delta Air LinesMYR 540MYR 1,01247% OFF47% OFFMYR 1,012MYR 540- TYS05:458h 41m1 stopPDX11:26Tue, Mar 11|Knoxville - Portland|Delta Air LinesMYR 544MYR 1,01246% OFF46% OFFMYR 1,012MYR 544
- TYS05:458h 41m1 stopPDX11:26Tue, Mar 18|Knoxville - Portland|Delta Air LinesMYR 544MYR 544
- TYS05:458h 41m1 stopPDX11:26Wed, Mar 12|Knoxville - Portland|Delta Air LinesMYR 663MYR 663
- TYS16:4310h 54m1 stopPDX00:37Sun, Mar 9|Knoxville - Portland|Frontier AirlinesMYR 702MYR 702
- TYS16:4310h 54m1 stopPDX00:37Sun, Mar 23|Knoxville - Portland|Frontier AirlinesMYR 726MYR 726
- TYS16:2311h 14m1 stopPDX00:37Thu, Mar 13|Knoxville - Portland|Frontier AirlinesMYR 737MYR 737
TYS17:258h 31m1 stopPDX22:56Tue, Mar 25|Knoxville - Portland|United AirlinesMYR 751MYR 751- TYS07:007h 44m1 stopPDX11:44Sat, May 3|Knoxville - Portland|United AirlinesMYR 764MYR 764
TYS01:00 pm3h 5mNonstopPDX02:00 pmSat, Mar 1|Knoxville - Portland|Frontier AirlinesFind More FlightsFind More Flights
Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.
Knoxville to Portland flight time & flight schedules
Flight info.
Departure
Arrival
Weekly Schedule
AA994
American Airlines
05:22
TYS
06:54
DFW
SMTWTFSAA2655
American Airlines
08:51
DFW
11:10
PDX
SMTWTFSDL3015
Delta Air Lines
05:30
TYS
06:36
ATL
SMTWTFSDL539
Delta Air Lines
08:30
ATL
11:05
PDX
SMTWTFSDL5523
Delta Air Lines
06:45
TYS
08:23
MSP
SMTWTFSDL2167
Delta Air Lines
11:15
MSP
13:08
PDX
SMTWTFSUA2046
United Airlines
07:00
TYS
08:03
ORD
SMTWTFSUA1994
United Airlines
09:15
ORD
11:35
PDX
SMTWTFSDL5317
Delta Air Lines
07:07
TYS
08:17
ATL
SMTWTFSDL539
Delta Air Lines
08:30
ATL
11:05
PDX
SMTWTFSAS6290
Alaska Airlines
12:04
TYS
13:35
DFW
SMTWTFSAS303
Alaska Airlines
07:30
DFW
09:33
PDX
SMTWTFSAA1571
American Airlines
15:54
TYS
17:31
DFW
SMTWT-SAA2298
American Airlines
19:30
DFW
21:44
PDX
SMTWTFS
Find the best time to fly from Knoxville to Portland
Explore the best time to buy affordable tickets to Portland with our price trend chart, which predicts how flight prices will change in the coming weeks from previous data.
Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.
FAQ
How to find a cheap flight from Knoxville to Portland
If you leave it until the last minute and forget to check some of the key information when booking tickets, prices can often end up skyrocketing.
Below, you can find our top tips for getting the best value flights – from changing dates to chasing deals, there are plenty ways to keep your next trip affordable.
Be flexible with your travel dates to get the cheapest flight from Knoxville to Portland.
Simply tap "Date" on the flight search bar to browse through the calendar and check out airfare from Knoxville to Portland over the next 6 months in 2025. If you're planning to fly within the next three months, it looks like the most affordable option is on Thu, Mar 6, with one-way flights priced at just MYR 409.
Compare cheap flight deals from Knoxville to Portland across hundreds of airlines.
With our extensive search, you can compare prices from over 500 airlines to find the cheapest flight tickets from Knoxville to Portland. The cheapest airline for this route is Frontier Airlines.
Set up a Price Alert
By setting up a Price Alert for your journey from Knoxville to Portland, you can easily keep an eye on ticket prices without having to check every day.
Don't miss out on cheap flight deals and promo codes from Knoxville to Portland.
You can always find the latest offers through Trip.com Deals and Promo Codes for cheap flights. By signing up for a free membership, you'll get access to even more deals for your flights.
Book early or wait until the last minute.
It's usually best to book early. Flight tickets are often cheapest when they're first released, typically about a year before the departure date. So, have a look online as soon as the flights you're interested in become available. If you miss the cheapest time, you might still find some good deals as the departure date gets closer.
Search for flights on the go.
For the best travel flight booking experience, download the Trip.com app. You can search for cheap flights from Knoxville to Portland and snag some exclusive deals just for you.
Flight Information from Knoxville to Portland
| Cheapest direct flight price | MYR 408 |
|---|---|
| Off-season travel month | March |
| Peak season for travel | April |
| Flight distance | 3,393.5km |
| Popular airline | Delta Air Lines |
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