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Flights from Knoxville to Portland
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Flights from Knoxville to Portland Starting at £85

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
      • TYS16:19
        21h 42m
        1 stop
        PDX11:01
        Sun, Feb 9|Knoxville - Portland|Frontier Airlines
        £85£211
        59% OFF
        59% OFF
        £211£85

        Choose Frontier Airlines flights from Knoxville to Portland. The one-way connecting flight with Frontier Airlines departs from Mcghee Tyson Airport on Sun, Feb 9, arriving at Portland International Airport. One-way Prices start from £85 including taxes and charges.

      • TYS16:19
        21h 44m
        1 stop
        PDX11:03
        Sun, Jan 12|Knoxville - Portland|Frontier Airlines
        £86£211
        59% OFF
        59% OFF
        £211£86

        Choose Frontier Airlines flights from Knoxville to Portland. The one-way connecting flight with Frontier Airlines departs from Mcghee Tyson Airport on Sun, Jan 12, arriving at Portland International Airport. One-way Prices start from £86 including taxes and charges.

      • TYS16:19
        21h 44m
        1 stop
        PDX11:03
        Thu, Dec 5|Knoxville - Portland|Frontier Airlines
        £94£211
        55% OFF
        55% OFF
        £211£94

        Choose Frontier Airlines flights from Knoxville to Portland. The one-way connecting flight with Frontier Airlines departs from Mcghee Tyson Airport on Thu, Dec 5, arriving at Portland International Airport. One-way Prices start from £94 including taxes and charges.

      • TYS05:20
        8h 28m
        1 stop
        PDX10:48
        Tue, Dec 17|Knoxville - Portland|Delta Air Lines
        £97
        £97

        Choose Delta Air Lines flights from Knoxville to Portland. The one-way connecting flight with Delta Air Lines departs from Mcghee Tyson Airport on Tue, Dec 17, arriving at Portland International Airport. One-way Prices start from £97 including taxes and charges.

      • TYS16:30
        26h 29m
        1 stop
        PDX15:59
        Wed, Dec 18|Knoxville - Portland|United Airlines
        £163
        £163

        Choose United Airlines flights from Knoxville to Portland. The one-way connecting flight with United Airlines departs from Mcghee Tyson Airport on Wed, Dec 18, arriving at Portland International Airport. One-way Prices start from £163 including taxes and charges.

      • TYS18:17
        8h 23m
        1 stop
        PDX23:40
        Mon, Dec 23|Knoxville - Portland|Frontier Airlines
        £171
        £171

        Choose Frontier Airlines flights from Knoxville to Portland. The one-way connecting flight with Frontier Airlines departs from Mcghee Tyson Airport on Mon, Dec 23, arriving at Portland International Airport. One-way Prices start from £171 including taxes and charges.

      • TYS15:51
        9h 28m
        1 stop
        PDX22:19
        Tue, Dec 17|Knoxville - Portland|Alaska Airlines
        £176
        £176

        Choose Alaska Airlines flights from Knoxville to Portland. The one-way connecting flight with Alaska Airlines departs from Mcghee Tyson Airport on Tue, Dec 17, arriving at Portland International Airport. One-way Prices start from £176 including taxes and charges.

      • TYS05:16
        8h 47m
        1 stop
        PDX11:03
        Tue, Dec 17|Knoxville - Portland|American Airlines
        £176
        £176

        Choose American Airlines flights from Knoxville to Portland. The one-way connecting flight with American Airlines departs from Mcghee Tyson Airport on Tue, Dec 17, arriving at Portland International Airport. One-way Prices start from £176 including taxes and charges.

      • TYS07:00
        14h 18m
        1 stop
        PDX18:18
        Mon, Jan 13|Knoxville - Portland|United Airlines
        £177
        £177

        Choose United Airlines flights from Knoxville to Portland. The one-way connecting flight with United Airlines departs from Mcghee Tyson Airport on Mon, Jan 13, arriving at Portland International Airport. One-way Prices start from £177 including taxes and charges.

      • TYS13:58
        7h 43m
        1 stop
        PDX18:41
        Tue, Dec 17|Knoxville - Portland|United Airlines
        £177
        £177

        Choose United Airlines flights from Knoxville to Portland. The one-way connecting flight with United Airlines departs from Mcghee Tyson Airport on Tue, Dec 17, arriving at Portland International Airport. One-way Prices start from £177 including taxes and charges.

      • TYS13:00
        3h 5m
        Nonstop
        PDX14:00
        Thu, Dec 12|Knoxville - Portland|Frontier Airlines
        Find More Flights
        Find More Flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Find the best time to fly from Knoxville to Portland

These price trend charts carefully monitor and predict how flight prices from Knoxville to Portland will change. Keep a close eye on them to understand when the best time to buy your tickets is.

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Airlines Flying from Knoxville to Portland

We have a range of prices from different airlines providing flights from Knoxville to Portland. Check below for the journey which best suits your travel needs.

Frontier Airlines
From £84
Delta Air Lines
From £97
United Airlines
From £163
Alaska Airlines
From £176
American Airlines
From £176
Allegiant Air
From £219

Find more flights and airlines

Alternative Routes from Knoxville to Portland

Did you know that you can save money and time on an alternative route from Knoxville to Portland? Check out some of the different available routes below.

  • Cheapest
    Frontier Airlines
    TYS
    16:19
    20h 28m
    2 transfer
    PDX
    09:47
    Mcghee Tyson Airport - Portland International Airport
    Thu, Dec 12Frontier Airlines
    £84
  • Frontier Airlines
    TYS
    16:19
    20h 28m
    2 transfer
    PDX
    09:47
    Mcghee Tyson Airport - Portland International Airport
    Thu, Dec 12Frontier Airlines
    £84
    Find More Flights

FAQ

  • When are flight tickets from Knoxville (TYS) to Portland (PDX) the cheapest?

    Airlines adjust prices for flights from Knoxville to Portland based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the cheapest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much are flights from Knoxville (TYS) to Portland (PDX) cost?

    According to Trip.com's data, the lowest price is around £397.

  • How many airports in Portland (PDX)?

    There are 3 airport(s) in Portland (PDX): Hillsboro Airport, Portland International Airport and Portland-Troutdale Airport.

How to find a cheap flight from Knoxville to Portland

Understanding the common pitfalls when booking your flight tickets can help you save massively when it comes time to fly. We’ve listed our six essential steps to keep in mind when you’re booking flight tickets to help you find the best price.
1
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com

Flight Information from Knoxville to Portland

Cheapest direct flight price£85
Off-season travel monthNovember
Peak season for travelFebruary
Flight distance3,393.5km
Popular airlineAmerican Airlines

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