$159+ Cheap flights from Knoxville to Portland, ME (TYS - PWM)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/24. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — PWM
Nov 5 — Nov 121
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
Cheapest
Best
Last-minute
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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 October 6, 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 October 6, 2026.
This Delta deal was found by Cheapflights users on 10/5. 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 10/2911:45 am -
1 stop4h 17m
Mon 11/26:28 am -
1 stop4h 34m
Deal found 10/5![Delta logo]()
$287
This Southwest deal was found by Cheapflights users on 10/5. 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.
Thu 11/197:55 am -
1 stop4h 15m
Sun 11/225:20 am -
1 stop5h 20m
Deal found 10/5![Southwest logo]()
$301
This American Airlines deal was found by Cheapflights users on 10/1. 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.
Thu 10/226:05 pm -
1 stop4h 26m
Mon 10/267:24 pm -
1 stop4h 31m
Deal found 10/1![American Airlines logo]()
$317
This United Airlines deal was found by Cheapflights users on 10/5. 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 10/294:30 pm -
1 stop6h 51m
Mon 11/27:35 pm -
1 stop4h 24m
Deal found 10/5![United Airlines logo]()
$355
This Southwest deal was found by Cheapflights users on 10/5. 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.
Thu 10/297:25 pm -
2 stops14h 25m
Mon 11/25:10 pm -
1 stop4h 30m
Deal found 10/5![Southwest logo]()
$396
This United Airlines deal was found by Cheapflights users on 10/3. 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.
Fri 11/137:35 pm -
1 stop4h 24m
Sun 11/155:30 am -
1 stop6h 00m
Deal found 10/3![United Airlines logo]()
$418
This Kiwi.com deal was found by Cheapflights users on 10/1. 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.
Fri 10/238:00 am -
1 stop25h 08m
Sat 10/246:31 pm -
2 stops13h 54m
Deal found 10/1![Multiple Airlines logo]()
$450
This Kiwi.com deal was found by Cheapflights users on 10/1. 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.
Fri 10/238:00 am -
1 stop25h 08m
Wed 10/285:09 pm -
2 stops29h 15m
Deal found 10/1![Multiple Airlines logo]()
$455
This Kiwi.com deal was found by Cheapflights users on 10/1. 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.
Fri 10/238:00 am -
1 stop25h 08m
Thu 10/293:10 pm -
2 stops21h 04m
Deal found 10/1![Multiple Airlines logo]()
$469
This Kiwi.com deal was found by Cheapflights users on 10/1. 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 10/227:45 am -
2 stops25h 23m
Mon 10/269:48 am -
1 stop11h 56m
Deal found 10/1![Multiple Airlines logo]()
$474
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 October 6, 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 October 6, 2026.
This United Airlines deal was found by Cheapflights users on 10/5. 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 10/294:30 pm -
1 stop6h 51m
Mon 11/27:35 pm -
1 stop4h 24m
Deal found 10/5![United Airlines logo]()
$355
This Southwest deal was found by Cheapflights users on 10/3. 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.
Mon 1/47:25 pm -
2 stops14h 25m
Wed 1/63:25 pm -
1 stop4h 20m
Deal found 10/3![Southwest logo]()
$383
This Kiwi.com deal was found by Cheapflights users on 10/1. 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.
Fri 10/238:00 am -
1 stop25h 08m
Wed 10/285:09 pm -
2 stops29h 15m
Deal found 10/1![Multiple Airlines logo]()
$455
This American Airlines deal was found by Cheapflights users on 10/1. 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.
Fri 10/166:05 pm -
1 stop5h 31m
Tue 10/205:30 am -
1 stop5h 03m
Deal found 10/1![American Airlines logo]()
$507
This United Airlines deal was found by Cheapflights users on 10/5. 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 1/3010:45 am -
2 stops10h 18m
Wed 2/33:14 pm -
2 stops8h 45m
Deal found 10/5![United Airlines logo]()
$374
This Southwest deal was found by Cheapflights users on 10/5. 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.
Thu 10/297:25 pm -
2 stops14h 25m
Mon 11/25:20 am -
2 stops11h 30m
Deal found 10/5![Southwest logo]()
$434
This United Airlines deal was found by Cheapflights users on 10/5. 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 11/196:45 am -
2 stops7h 42m
Sun 11/225:50 am -
2 stops11h 09m
Deal found 10/5![United Airlines logo]()
$482
This United Airlines deal was found by Cheapflights users on 10/1. 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.
Thu 10/2210:42 am -
2 stops13h 17m
Mon 10/265:50 am -
2 stops11h 09m
Deal found 10/1![United Airlines logo]()
$492
Last-minute flights from Knoxville to PortlandDiscover last-minute flight deals from Knoxville to Portland. Data last updated October 6, 2026 and is based on user searches.
Discover last-minute flight deals from Knoxville to Portland. Data last updated October 6, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 10/1. 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.
Thu 10/226:05 pm -
1 stop4h 26m
Mon 10/267:24 pm -
1 stop4h 31m
Deal found 10/1![American Airlines logo]()
$317
This Kiwi.com deal was found by Cheapflights users on 10/1. 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 10/227:45 am -
2 stops25h 23m
Mon 10/269:48 am -
1 stop11h 56m
Deal found 10/1![Multiple Airlines logo]()
$474
This Kiwi.com deal was found by Cheapflights users on 10/1. 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.
Fri 10/238:00 am -
1 stop25h 08m
Sat 10/246:31 pm -
2 stops13h 54m
Deal found 10/1![Multiple Airlines logo]()
$450
This Kiwi.com deal was found by Cheapflights users on 10/1. 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.
Fri 10/238:00 am -
1 stop25h 08m
Wed 10/285:09 pm -
2 stops29h 15m
Deal found 10/1![Multiple Airlines logo]()
$455
This Kiwi.com deal was found by Cheapflights users on 10/1. 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.
Fri 10/238:00 am -
1 stop25h 08m
Thu 10/293:10 pm -
2 stops21h 04m
Deal found 10/1![Multiple Airlines logo]()
$469
This Delta deal was found by Cheapflights users on 10/5. 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 10/2911:45 am -
1 stop4h 17m
Mon 11/26:28 am -
1 stop4h 34m
Deal found 10/5![Delta logo]()
$287
This United Airlines deal was found by Cheapflights users on 10/5. 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 10/294:30 pm -
1 stop6h 51m
Mon 11/27:35 pm -
1 stop4h 24m
Deal found 10/5![United Airlines logo]()
$355
This Southwest deal was found by Cheapflights users on 10/5. 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.
Thu 10/297:25 pm -
2 stops14h 25m
Mon 11/25:10 pm -
1 stop4h 30m
Deal found 10/5![Southwest logo]()
$396
This United Airlines deal was found by Cheapflights users on 10/3. 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.
Fri 11/137:35 pm -
1 stop4h 24m
Sun 11/155:30 am -
1 stop6h 00m
Deal found 10/3![United Airlines logo]()
$418
This Southwest deal was found by Cheapflights users on 10/5. 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.
Thu 11/197:55 am -
1 stop4h 15m
Sun 11/225:20 am -
1 stop5h 20m
Deal found 10/5![Southwest logo]()
$301
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 October 6, 2026.
Search for one-way flight options from Knoxville to Portland. Find affordable one-way fares based on user searches. Data last updated October 6, 2026.
This United Airlines deal was found by Cheapflights users on 10/1. 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.
Sat 10/241:35 pm -
1 stop5h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/1![United Airlines logo]()
$159
This American Airlines deal was found by Cheapflights users on 10/5. 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 11/216:05 pm -
1 stop5h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/5![American Airlines logo]()
$170
This Southwest deal was found by Cheapflights users on 10/5. 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 11/237:25 pm -
2 stops14h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/5![Southwest logo]()
$181
This Kiwi.com deal was found by Cheapflights users on 10/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/157:36 pm -
1 stop13h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/4![Multiple Airlines logo]()
$192
This American Airlines deal was found by Cheapflights users on 10/4. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/194:32 pm -
1 stop6h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/4![American Airlines logo]()
$203
This United Airlines deal was found by Cheapflights users on 10/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/196:45 am -
2 stops7h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/4![United Airlines logo]()
$208
This Kiwi.com deal was found by Cheapflights users on 10/5. 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.
Mon 11/237:11 pm -
3 stops45h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/5![Multiple Airlines logo]()
$266
This Southwest deal was found by Cheapflights users on 10/5. 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 11/216:30 am -
2 stops17h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/5![Southwest logo]()
$280
This Kiwi.com deal was found by Cheapflights users on 10/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/193:42 pm -
3 stops48h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/4![Multiple Airlines logo]()
$291
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 (PWM). 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 October 6, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $287 (Delta) |
One-way from | $159 (United Airlines) |
Popular in | November |
Cheapest in | March |
Average price | $583 |
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 October 6, 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
KnoxvillePortland
TYS Knoxville McGhee Tyson - PWM Portland
TYSPWM
Knoxville McGhee Tyson
Sat 10/24
1:35 pm-7:24 pm
1 stop5h 49m
Portland
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$159
KnoxvillePortland
TYS Knoxville McGhee Tyson - PWM Portland
TYSPWM
Knoxville McGhee Tyson
Mon 11/23
7:25 pm-9:50 am
2 stops14h 25m
Portland
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$181
KnoxvillePortland
TYS Knoxville McGhee Tyson - PWM Portland
TYSPWM
Knoxville McGhee Tyson
Thu 11/19
6:45 am-2:27 pm
2 stops7h 42m
Portland
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$208
KnoxvillePortland
TYS Knoxville McGhee Tyson - PWM Portland
TYSPWM
Knoxville McGhee Tyson
Sat 11/21
6:30 am-12:10 am
2 stops17h 40m
Portland
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$280
KnoxvillePortland
TYS Knoxville McGhee Tyson - PWM Portland
TYSPWM
Knoxville McGhee Tyson
Thu 11/19
3:42 pm-4:24 pm
3 stops48h 42m
Portland
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$291
KnoxvillePortland
TYS Knoxville McGhee Tyson - PWM Portland
TYSPWM
Knoxville McGhee Tyson
Mon 11/23
9:45 am-2:27 pm
1 stop4h 42m
Portland
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$305
KnoxvillePortland
TYS Knoxville McGhee Tyson - PWM Portland
TYSPWM
Knoxville McGhee Tyson
Sun 11/22
8:50 pm-11:56 am
1 stop15h 06m
Portland
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$331
KnoxvillePortland
TYS Knoxville McGhee Tyson - PWM Portland
TYSPWM
Knoxville McGhee Tyson
Thu 10/29
4:30 pm-11:21 pm
1 stop6h 51m
Portland
Mon 11/2
7:35 pm-11:59 pm
1 stop4h 24m
$355
KnoxvillePortland
TYS Knoxville McGhee Tyson - PWM Portland
TYSPWM
Knoxville McGhee Tyson
Sun 10/11
11:35 am-4:09 pm
1 stop4h 34m
Portland
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$359
Quickest round-trip
KnoxvillePortland
TYS Knoxville McGhee Tyson - PWM Portland
TYSPWM
Knoxville McGhee Tyson
Sun 11/22
7:35 pm-11:59 pm
1 stop4h 24m
Portland
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$359
Showing 1-10 of 18 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 October.
| 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, Maine flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Knoxville-Portland, Maine flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Knoxville-Portland, Maine flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Knoxville-Portland, Maine 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, Maine 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-PWM
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
What is the cheapest month to book a flight from Knoxville to Portland, Maine?
Currently, March is the cheapest month in which you can book a flight from Knoxville to Portland, Maine (average of $314). Flying from Knoxville to Portland, Maine in November is currently the most expensive (average of $651). 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, Maine?
Airfare is below average for this route at the moment.
Knoxville to Portland, Maine flights typically cost between $315 and $788 in October.The cheapest round-trip price found within the last 5 days was $287 on Delta (Oct 29-Nov 2).
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 October 6, 2026.
Read reviews from past customers who have flown Southwest,Delta, andAmerican Airlines from Knoxville to Portland. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.6
Overall
7.9
Food
7.0
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentEdward,Sep 2026
MCO - BWI
Crew
8.6
Overall
7.9
Food
7.0
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentEdward,Sep 2026
MCO - BWI
Crew
8.6
Overall
7.9
Food
7.0
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentEdward,Sep 2026
MCO - BWI
Crew
8.6
Overall
7.9
Food
7.0
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentEdward,Sep 2026
MCO - BWI
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 locationsNorth Conway
Lewiston
Brunswick
Conway
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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 October 6, 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 October 6, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$278 | Average$518 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$282 | Average$416 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$293 | Average$394 | FlexibilityNo cancel fee | On-time63% |