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$105+ 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 4/14. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — PDX
Feb 27 — Mar 61
Thu 2/27
Thu 3/6
1 adult, Economy
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The best prices from Knoxville McGhee Tyson to Portland are usually found in September or February, booked 55 days in advance, depart on a Wednesday or Friday and return on a Tuesday

Cheap 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 February 22, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$254
(Delta)

One-way from

$105
(Mytrip)

Popular in

December

Cheapest in

September

Average price

$418
Provider with most accurate pricing for Knoxville McGhee Tyson-Portland flight deals.
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Provider most trusted by Cheapflights users for Knoxville McGhee Tyson-Portland flights.
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From Knoxville McGhee Tyson to Portland
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One-way flight from Knoxville McGhee Tyson to Portland
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Highest demand for flights based on searches. 3% potential increase in price ($17 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Find flight deals from Knoxville to Portland

Cheapest flights from Knoxville to Portland
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 February 22, 2025.

This Delta deal was found by Cheapflights users on 2/21. 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 4/95:45 amTYS - PDX
1 stop8h 38mDelta
Wed 4/237:23 amPDX - TYS
2 stops13h 25mDelta
Deal found 2/21$254
This American Airlines deal was found by Cheapflights users on 2/21. 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 4/264:22 pmTYS - PDX
2 stops9h 40mAmerican Airlines
Sat 5/35:31 amPDX - TYS
2 stops10h 37mAmerican Airlines
Deal found 2/21$259
This Mytrip deal was found by Cheapflights users on 2/21. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/39:00 amTYS - PDX
1 stop27h 21mMultiple Airlines
Fri 3/77:32 pmPDX - TYS
2 stops18h 48mMultiple Airlines
Deal found 2/21$348
This United Airlines deal was found by Cheapflights users on 2/21. 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 4/44:31 pmTYS - PDX
1 stop9h 17mUnited Airlines
Tue 4/81:39 pmPDX - TYS
3 stops17h 26mUnited Airlines
Deal found 2/21$389

Find flights from Knoxville to Portland within your budget

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 2,558,603 searches. Data last updated February 22, 2025.

Fly from

Knoxville

Fly to

Portland

Route

Depart

Return

Price

KnoxvillePortland

TYS - PDX

TYSPDX

Knoxville McGhee Tyson

Wed 4/9

5:45 am-11:23 am

1 stop8h 38m

Portland

Wed 4/23

7:23 am-11:48 pm

2 stops13h 25m

$254

KnoxvillePortland

TYS - PDX

TYSPDX

Knoxville McGhee Tyson

Sat 4/26

4:22 pm-11:02 pm

2 stops9h 40m

Portland

Sat 5/3

5:31 am-7:08 pm

2 stops10h 37m

$259

KnoxvillePortland

TYS - PDX

TYSPDX

Knoxville McGhee Tyson

Tue 4/15

1:29 pm-8:22 am

2 stops21h 53m

Portland

Sun 4/20

2:33 pm-9:15 pm

3 stops27h 42m

$381

KnoxvillePortland

TYS - PDX

TYSPDX

Knoxville McGhee Tyson

Fri 4/4

4:31 pm-10:48 pm

1 stop9h 17m

Portland

Tue 4/8

1:39 pm-10:05 am

3 stops17h 26m

$389

KnoxvillePortland

TYS - PDX

TYSPDX

Knoxville McGhee Tyson

Mon 4/14

12:50 pm-8:22 am

1 stop22h 32m

$105

KnoxvillePortland

TYS - PDX

TYSPDX

Knoxville McGhee Tyson

Thu 5/29

5:08 pm-12:40 am

1 stop10h 32m

$184

KnoxvillePortland

TYS - PDX

TYSPDX

Knoxville McGhee Tyson

Wed 5/28

5:22 am-10:50 am

1 stop8h 28m

$270

KnoxvillePortland

TYS - PDX

TYSPDX

Knoxville McGhee Tyson

Wed 5/28

7:00 am-1:00 pm

2 stops9h 00m

$275

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/21

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 February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • 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.
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.

Travel insights for flights from Knoxville to Portland

Get recent, data-driven insights about flights from Knoxville to Portland including ideal travel times, pricing trends, and more.

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

Use this chart to determine the optimal time to book a round-trip flight from Knoxville to Portland. Price data was last updated on February 14, 2025.

Booking 55 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, November is the cheapest month in which you can book a flight from Knoxville to Portland (average of $277). Flying from Knoxville to Portland in March is currently the most expensive (average of $376). 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.

What is the cheapest time of day to fly from TYS to PDX?

Find hourly flight availability from Knoxville to Portland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 22, 2025.

A simple way to save on the total cost of your ticket is to fly from Knoxville to Portland in the evening. If you’re flexible enough to do this you can expect to save up to 18% on your trip compared to booking a flight in the afternoon.

What is the cheapest day to fly from Knoxville to Portland?

Use this chart to determine the cheapest time to fly round-trip from Knoxville to Portland. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Knoxville to Portland flight should consider departing on Friday at noon when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Portland by month

Plan your trip to Portland by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Portland ranges from 0.7 - 5.6 inches per month. November is typically the wettest month, when rainfall can reach 5.6 in. July is typically the driest time to visit Portland when rainfall is around 0.7 in.

Temperature in Portland by month

Plan your trip to Portland by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Portland, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

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 February 22, 2025.
See what other customers who have flown with Delta, United Airlines and American Airlines from Knoxville to Portland have to say. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,203 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Comfort

8.0

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very good
8,203 reviews
Delta
8.0
Very good
8,203 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Comfort

8.0

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines
7.4
Good
8,754 reviews
Delta
8.0
Very good
8,203 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Comfort

8.0

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
8,203 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Comfort

8.0

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Frontier
6.0
Okay
3,352 reviews
Delta
8.0
Very good
8,203 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Comfort

8.0

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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.

  • What are the cheapest airlines flying from Knoxville to Portland round-trip?

    Delta, at $254, was found to be the cheapest airline from Knoxville to Portland.Alternate airlines to your destination round-trip include American Airlines and United Airlines. Users have found that Delta is 50% cheaper than the other options available to this destination.

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

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as $184. Users have also found prices from $270 and $275 on American Airlines and United Airlines, respectively.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Knoxville to Portland 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 Knoxville to Portland?

    Currently, November is the cheapest month in which you can book a flight from Knoxville to Portland (average of $277). Flying from Knoxville to Portland in March is currently the most expensive (average of $376). 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
Seaside
Lincoln City
Beaverton
McMinnville
Lake Oswego
Hillsboro
Vancouver
Gresham
Long Beach
Cannon Beach
Tigard
Astoria
Hood River
Woodburn
Depoe Bay
Pacific City
Stevenson
Troutdale
Longview
Wilsonville

Browse thousands of different options on Cheapflights for your next trip

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Top 4 airlines flying from Knoxville to Portland

Discover the top 4 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 2,558,603 searches. Data last updated February 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$167Average$333FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$290Average$506FlexibilityNo cancel feeOn-time71%
DeltaCheapest$302Average$497FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$308Average$596FlexibilityNo cancel feeOn-time69%
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