$169+ Cheap flights from Knoxville to Portland (TYS - PDX)
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 9/6. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — PDX
Oct 2 — Oct 91
Round-trip
1 adult, Economy
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Find cheap flights from Knoxville to Portland with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Knoxville to Portland
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Cheapest flights from Knoxville to PortlandExplore the most affordable flight options available from Knoxville to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 2, 2026.
Explore the most affordable flight options available from Knoxville to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 2, 2026.
This United Airlines deal was found by Cheapflights users on 8/30. 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.
Sun 9/67:00 am -
1 stop7h 28m
Thu 9/105:00 am -
1 stop7h 54m
Deal found 8/30![United Airlines logo]()
$337
This Delta deal was found by Cheapflights users on 9/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/284:11 pm -
1 stop8h 38m
Mon 11/211:00 pm -
1 stop8h 45m
Deal found 9/1![Delta logo]()
$363
This United Airlines deal was found by Cheapflights users on 9/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/276:45 am -
2 stops9h 37m
Sat 10/3110:47 am -
1 stop7h 07m
Deal found 9/1![United Airlines logo]()
$368
This Southwest deal was found by Cheapflights users on 9/2. 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.
Wed 9/235:30 pm -
2 stops8h 45m
Sat 9/2611:30 pm -
2 stops9h 55m
Deal found 9/2![Southwest logo]()
$373
This American Airlines deal was found by Cheapflights users on 9/2. 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 10/34:48 pm -
1 stop10h 19m
Wed 10/78:35 am -
1 stop8h 43m
Deal found 9/2![American Airlines logo]()
$376
This American Airlines deal was found by Cheapflights users on 9/2. 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.
Wed 10/286:00 am -
2 stops10h 39m
Mon 11/29:50 pm -
1 stop8h 55m
Deal found 9/2![American Airlines logo]()
$377
This American Airlines deal was found by Cheapflights users on 9/1. 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.
Sat 10/34:48 pm -
1 stop10h 19m
Sat 10/1010:55 pm -
1 stop9h 10m
Deal found 9/1![American Airlines logo]()
$390
This American Airlines deal was found by Cheapflights users on 9/2. 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.
Fri 10/307:30 am -
1 stop7h 52m
Mon 11/211:09 pm -
1 stop8h 52m
Deal found 9/2![American Airlines logo]()
$393
This American Airlines deal was found by Cheapflights users on 8/31. 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 11/1812:20 pm -
2 stops10h 27m
Mon 11/231:19 pm -
1 stop7h 28m
Deal found 8/31![American Airlines logo]()
$395
Best flights from Knoxville to PortlandDiscover carefully curated flight deals from Knoxville to Portland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 2, 2026.
Discover carefully curated flight deals from Knoxville to Portland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 2, 2026.
This United Airlines deal was found by Cheapflights users on 8/28. 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.
Sat 9/54:50 pm -
1 stop7h 15m
Thu 9/1010:50 am -
1 stop8h 54m
Deal found 8/28![United Airlines logo]()
$337
This Delta deal was found by Cheapflights users on 9/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2912:06 pm -
1 stop10h 03m
Mon 11/211:00 pm -
1 stop8h 45m
Deal found 9/2![Delta logo]()
$363
This Southwest deal was found by Cheapflights users on 9/1. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/277:15 am -
2 stops11h 05m
Sat 10/317:25 am -
2 stops9h 15m
Deal found 9/1![Southwest logo]()
$373
This American Airlines deal was found by Cheapflights users on 8/28. 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.
Thu 10/14:48 pm -
1 stop10h 19m
Tue 10/65:20 am -
1 stop8h 16m
Deal found 8/28![American Airlines logo]()
$445
This Delta deal was found by Cheapflights users on 8/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/137:16 pm -
1 stop7h 28m
Mon 10/2611:00 pm -
1 stop8h 54m
Deal found 8/28![Delta logo]()
$445
This Southwest deal was found by Cheapflights users on 8/28. 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.
Sat 9/266:50 am -
2 stops10h 10m
Wed 9/3011:30 pm -
2 stops9h 45m
Deal found 8/28![Southwest logo]()
$466
This United Airlines deal was found by Cheapflights users on 9/2. 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.
Thu 11/51:55 pm -
1 stop9h 20m
Wed 11/119:00 am -
2 stops11h 59m
Deal found 9/2![United Airlines logo]()
$478
This Southwest deal was found by Cheapflights users on 8/28. 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.
Fri 9/255:45 pm -
2 stops8h 25m
Fri 10/211:35 pm -
2 stops9h 25m
Deal found 8/28![Southwest logo]()
$466
This United Airlines deal was found by Cheapflights users on 9/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/309:45 am -
2 stops12h 27m
Mon 11/27:26 pm -
2 stops11h 27m
Deal found 9/1![United Airlines logo]()
$514
Last-minute flights from Knoxville to PortlandDiscover last-minute flight deals from Knoxville to Portland. Data last updated September 2, 2026 and is based on user searches.
Discover last-minute flight deals from Knoxville to Portland. Data last updated September 2, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 8/30. 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.
Sun 9/67:00 am -
1 stop7h 28m
Thu 9/105:00 am -
1 stop7h 54m
Deal found 8/30![United Airlines logo]()
$337
This United Airlines deal was found by Cheapflights users on 8/30. 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.
Sun 9/67:00 am -
1 stop7h 28m
Fri 9/1110:35 am -
2 stops10h 24m
Deal found 8/30![United Airlines logo]()
$397
This Southwest deal was found by Cheapflights users on 9/2. 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.
Wed 9/235:30 pm -
2 stops8h 45m
Sat 9/2611:30 pm -
2 stops9h 55m
Deal found 9/2![Southwest logo]()
$373
This American Airlines deal was found by Cheapflights users on 9/2. 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 10/34:48 pm -
1 stop10h 19m
Wed 10/78:35 am -
1 stop8h 43m
Deal found 9/2![American Airlines logo]()
$376
This American Airlines deal was found by Cheapflights users on 9/1. 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.
Sat 10/34:48 pm -
1 stop10h 19m
Sat 10/1010:55 pm -
1 stop9h 10m
Deal found 9/1![American Airlines logo]()
$390
This United Airlines deal was found by Cheapflights users on 9/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/276:45 am -
2 stops9h 37m
Sat 10/3110:47 am -
1 stop7h 07m
Deal found 9/1![United Airlines logo]()
$368
This Delta deal was found by Cheapflights users on 9/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/284:11 pm -
1 stop8h 38m
Mon 11/211:00 pm -
1 stop8h 45m
Deal found 9/1![Delta logo]()
$363
This American Airlines deal was found by Cheapflights users on 9/2. 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.
Wed 10/286:00 am -
2 stops10h 39m
Mon 11/29:50 pm -
1 stop8h 55m
Deal found 9/2![American Airlines logo]()
$377
This American Airlines deal was found by Cheapflights users on 9/2. 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.
Fri 10/307:30 am -
1 stop7h 52m
Mon 11/211:09 pm -
1 stop8h 52m
Deal found 9/2![American Airlines logo]()
$393
One-way flights from Knoxville to PortlandSearch for one-way flight options from Knoxville to Portland. Find affordable one-way fares based on user searches. Data last updated September 2, 2026.
Search for one-way flight options from Knoxville to Portland. Find affordable one-way fares based on user searches. Data last updated September 2, 2026.
This United Airlines deal was found by Cheapflights users on 8/30. 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.
Sun 9/67:00 am -
1 stop7h 28m
Deal found 8/30![United Airlines logo]()
$169
This Kiwi.com deal was found by Cheapflights users on 8/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/710:28 am -
2 stops26h 43m
Deal found 8/29![Multiple Airlines logo]()
$172
This Southwest deal was found by Cheapflights users on 8/29. 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.
Fri 9/115:45 pm -
2 stops9h 00m
Deal found 8/29![Southwest logo]()
$174
This American Airlines deal was found by Cheapflights users on 9/2. 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 10/206:55 pm -
1 stop8h 04m
Deal found 9/2![American Airlines logo]()
$182
This Kiwi.com deal was found by Cheapflights users on 8/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/168:30 am -
2 stops28h 37m
Deal found 8/29![Multiple Airlines logo]()
$188
This Southwest deal was found by Cheapflights users on 9/1. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/27:05 am -
2 stops16h 15m
Deal found 9/1![Southwest logo]()
$198
This Kiwi.com deal was found by Cheapflights users on 8/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/137:00 am -
2 stops31h 54m
Deal found 8/29![Multiple Airlines logo]()
$207
This Kiwi.com deal was found by Cheapflights users on 9/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/126:30 am -
3 stops32h 06m
Deal found 9/1![Multiple Airlines logo]()
$208
This Southwest deal was found by Cheapflights users on 8/31. 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.
Sat 11/215:55 pm -
1 stop7h 50m
Deal found 8/31![Southwest logo]()
$212
This Southwest deal was found by Cheapflights users on 9/1. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/134:20 pm -
2 stops10h 20m
Deal found 9/1![Southwest logo]()
$217
This American Airlines deal was found by Cheapflights users on 8/30. 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 9/222:43 pm -
1 stop7h 37m
Deal found 8/30![American Airlines logo]()
$223
Find flight deals from Knoxville to Portland
Discover tips and strategies to find the most affordable flight options for your journey from Knoxville (TYS) to Portland (PDX). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 2, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $337 (United Airlines) |
One-way from | $169 (United Airlines) |
Popular in | December |
Cheapest in | February |
Average price | $547 |
Cheapflights Fare Finder
Customize your flight search to find flights from Knoxville to Portland 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 7,457,451 searches. Data last updated September 2, 2026.
Use the filters below to find and compare flights from Knoxville to Portland that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
KnoxvillePortland
TYS Knoxville McGhee Tyson - PDX Portland
TYSPDX
Knoxville McGhee Tyson
Sat 9/5
4:50 pm-9:05 pm
1 stop7h 15m
Portland
Thu 9/10
10:50 am-10:44 pm
1 stop8h 54m
$337
KnoxvillePortland
TYS Knoxville McGhee Tyson - PDX Portland
TYSPDX
Knoxville McGhee Tyson
Thu 10/29
12:06 pm-7:09 pm
1 stop10h 03m
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 10/27
7:15 am-3:20 pm
2 stops11h 05m
Portland
Sat 10/31
7:25 am-7:40 pm
2 stops9h 15m
$373
KnoxvillePortland
TYS Knoxville McGhee Tyson - PDX Portland
TYSPDX
Knoxville McGhee Tyson
Thu 10/1
4:48 pm-12:07 am
1 stop10h 19m
Portland
Tue 10/6
5:20 am-4:36 pm
1 stop8h 16m
$445
KnoxvillePortland
TYS Knoxville McGhee Tyson - PDX Portland
TYSPDX
Knoxville McGhee Tyson
Tue 10/13
7:16 pm-11:44 pm
1 stop7h 28m
Portland
Mon 10/26
11:00 pm-10:54 am
1 stop8h 54m
$445
KnoxvillePortland
TYS Knoxville McGhee Tyson - PDX Portland
TYSPDX
Knoxville McGhee Tyson
Sat 9/26
6:50 am-2:00 pm
2 stops10h 10m
Portland
Wed 9/30
11:30 pm-12:15 pm
2 stops9h 45m
$466
KnoxvillePortland
TYS Knoxville McGhee Tyson - PDX Portland
TYSPDX
Knoxville McGhee Tyson
Fri 9/25
5:45 pm-11:10 pm
2 stops8h 25m
Portland
Fri 10/2
11:35 pm-12:00 pm
2 stops9h 25m
$466
KnoxvillePortland
TYS Knoxville McGhee Tyson - PDX Portland
TYSPDX
Knoxville McGhee Tyson
Thu 11/5
1:55 pm-8:15 pm
1 stop9h 20m
Portland
Wed 11/11
9:00 am-11:59 pm
2 stops11h 59m
$478
KnoxvillePortland
TYS Knoxville McGhee Tyson - PDX Portland
TYSPDX
Knoxville McGhee Tyson
Fri 10/30
9:45 am-7:12 pm
2 stops12h 27m
Portland
Mon 11/2
7:26 pm-9:53 am
2 stops11h 27m
$514
Cheapest one-way
KnoxvillePortland
TYS Knoxville McGhee Tyson - PDX Portland
TYSPDX
Knoxville McGhee Tyson
Fri 9/11
8:25 am-3:00 pm
1 stop9h 35m
$169
Showing 1-10 of 19 resultsSorted by cheapest first
Compare providers for flights from Knoxville to Portland
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Knoxville to Portland in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Knoxville-Portland flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Knoxville-Portland flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Knoxville-Portland flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Knoxville-Portland flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Knoxville-Portland flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Knoxville to Portland
Have a flexible travel schedule? Discover the best time to fly to Portland from Knoxville with our price prediction graph.
TYS-PDX
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 Knoxville to Portland
How far ahead should I book a flight from Knoxville to Portland?
Booking 82 days in advance of your planned departure date is, on average, the best time to get cheap flights from Knoxville to Portland. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Knoxville to Portland?
Currently, February is the cheapest month in which you can book a flight from Knoxville to Portland (average of $401). Flying from Knoxville to Portland in December is currently the most expensive (average of $625). 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 Knoxville to Portland?
Airfare is below average for this route at the moment.
Knoxville to Portland flights typically cost between $446 and $595 in September.The cheapest round-trip price found within the last 5 days was $337 on United Airlines (Sep 6-Sep 11).
Reviews of airlines servicing Portland
Get insights into the airlines that provide service to Portland. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Portland. Reviews last updated September 2, 2026.
Get a feel of what it's like to fly with Delta,United Airlines, andAmerican Airlines from Knoxville to Portland by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Comfort
7.8
Crew
8.5
Entertainment
7.8
Food
7.2
Overall
7.8
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
Boarding
8.1
Comfort
7.8
Crew
8.5
Entertainment
7.8
Food
7.2
Overall
7.8
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
Boarding
8.1
Comfort
7.8
Crew
8.5
Entertainment
7.8
Food
7.2
Overall
7.8
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
Boarding
8.1
Comfort
7.8
Crew
8.5
Entertainment
7.8
Food
7.2
Overall
7.8
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
Related info for your journey
Find useful and relevant information for your journey from Knoxville to Portland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Portland?
Book flights to Portland if you plan to visit one of these locationsBeaverton
Seaside
Lincoln City
Durham
Longview
Lake Oswego
Kelso
Clackamas
Troutdale
Vancouver
Cannon Beach
McMinnville
The Dalles
Wilsonville
Stevenson
Tillamook
Hillsboro
Astoria
Gresham
Silverton
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Knoxville and Portland flights
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Other flights to Portland
Explore flights to Portland departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 2, 2026.
Top 3 airlines flying from Knoxville to Portland
Discover the top 3 airlines that operate flights from Knoxville to Portland. 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 7,457,451 searches. Data last updated September 2, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$284 | Average$508 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$345 | Average$541 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$354 | Average$594 | FlexibilityNo cancel fee | On-timeN/A |