Cheap flights from Knoxville to Portland (TYS - PDX) from $107

This is the cheapest one-way flight price, found on 9/19. Prices may vary by date and flight preferences.
TYS — PDX
Sep 26 — Oct 31

The best prices from Knoxville McGhee Tyson to Portland are usually found in January or April, booked 23 days in advance, depart on a Wednesday or Saturday and return on a Saturday

How to find the cheapest flight from Knoxville (TYS) to Portland (PDX)

All the information you need to plan the best TYS to PDX flight in 2023: compare Knoxville to Portland flight prices with the expected peak season, weather and rainfall in Portland.

Popular in

June

Cheapest in

January

Round-trip from

$278

One-way from

$269
High demand for flights, 21% potential price rise
Best time to find cheap flights, 29% potential price drop
From Knoxville McGhee Tyson to Portland
One-way flight from Knoxville McGhee Tyson to Portland

TYS - PDX

Price

$278 - $500

PDX

Temperature

41 - 69.8 °F

PDX

Rainfall

0.7 - 5.6 inches

What is the cheapest day to fly round-trip from Knoxville to Portland?

It’s generally more expensive to depart on a Tuesday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.

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

Travelers have found it’s best to book a flight 24 days in advance to save up to 19% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 24 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Knoxville to Portland 1-2 weeks in advance for as low as $665, or $769 for flights within the next 24 hours.

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

Flights from Knoxville to Portland lean towards being more expensive in June. Prices are generally better when you fly from Knoxville to Portland in January, with the cheapest ticket starting at $270.

When is the cheapest time to fly from Knoxville to Portland (TYS - PDX)?

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 61% on your trip compared to booking a flight at noon.

Cheap Frontier flights from Knoxville to Portland

Consider these cheap Frontier flights we've found departing from Knoxville to Portland. Come back soon if you're not finding the exact deal you're looking for.

Cheap United Airlines flights from Knoxville to Portland

Take a gander at the lowest prices we've found on United Airlines flights from Knoxville to Portland. Deals are refreshing constantly so come back soon for more options.

Cheap Knoxville to Portland flights in September & October 2023

The best prices found for TYS to PDX flights for September, October
Listed are some of the best fares we've found on flights departing from Knoxville to Portland in 2023. Check back in a little while for more flight options.

Knoxville to Portland 2023 flight deals

Cheap flights to Portland from Knoxville found for this year
Listed are some of the best fares we've found on flights departing from Knoxville to Portland in 2023. Check back in a little while for more flight options.

Knoxville to Portland flights leaving soon

Late deals on return flights to Portland from Knoxville, departing today and this week
Consider one of these great deals we found on last-minute flights from Knoxville to Portland. Users should double check the flight they book to ensure it matches the day, time, and destination they're looking for.

One-way flights to Portland from Knoxville

The cheapest one-way flights from Knoxville to Portland
If you're seeking multiple options on one-way flights from Knoxville to Portland, be sure to check out these deals, which are updated often. Users in need of a round-trip flight from Knoxville to Portland instead should update the search form at the top of page.

Find flights from Knoxville to Portland within your budget

Use the slider to find flights from Knoxville to Portland that fit your budget.

Fly from

Any airport

Fly to

Any airport

Budget

$210 - $455

Route

Depart

Return

Price

Knoxville McGhee TysonPortland

TYS - PDX

TYSPDX

Knoxville McGhee Tyson

Mon 10/30

1 stop14h 21m

Portland

Wed 11/8

2 stops34h 19m

Knoxville McGhee TysonPortland

TYS - PDX

TYSPDX

Knoxville McGhee Tyson

Fri 10/27

1 stop16h 07m

Portland

Thu 11/2

1 stop16h 16m

Knoxville McGhee TysonPortland

TYS - PDX

TYSPDX

Knoxville McGhee Tyson

Wed 10/18

1 stop29h 29m

Portland

Wed 10/25

1 stop28h 01m

Knoxville McGhee TysonPortland

TYS - PDX

TYSPDX

Knoxville McGhee Tyson

Wed 10/11

1 stop29h 29m

Portland

Wed 10/25

1 stop28h 01m

Knoxville McGhee TysonPortland

TYS - PDX

TYSPDX

Knoxville McGhee Tyson

Thu 10/26

1 stop11h 30m

Portland

Thu 11/2

1 stop16h 16m

Knoxville McGhee TysonPortland

TYS - PDX

TYSPDX

Knoxville McGhee Tyson

Fri 11/17

1 stop29h 10m

Portland

Mon 11/20

1 stop13h 04m

Knoxville McGhee TysonPortland

TYS - PDX

TYSPDX

Knoxville McGhee Tyson

Sat 11/4

1 stop14h 45m

Portland

Sat 11/11

1 stop11h 22m

Knoxville McGhee TysonPortland

TYS - PDX

TYSPDX

Knoxville McGhee Tyson

Mon 10/30

1 stop8h 05m

Portland

Wed 11/8

1 stop7h 20m

Knoxville McGhee TysonPortland

TYS - PDX

TYSPDX

Knoxville McGhee Tyson

Thu 10/26

1 stop8h 30m

Portland

Sat 10/28

1 stop8h 59m

Flights are sorted by cheapest first

Deals found on 9/19

Reviews of airlines servicing Portland

See what other customers who have flown with Frontier, 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
7.9
Good
3,019 reviews

Crew

8.5

Food

7.2

Boarding

8.0

Entertainment

7.8

Overall

7.9

Comfort

7.9

Reviews

1 / 10

Horrible experience. Delayed bags, missing items, delayed flights. Complete disaster

Delta
7.9
Good
3,019 reviews
Delta
7.9
Good
3,019 reviews

Crew

8.5

Food

7.2

Boarding

8.0

Entertainment

7.8

Overall

7.9

Comfort

7.9

Reviews

1 / 10

Horrible experience. Delayed bags, missing items, delayed flights. Complete disaster

United Airlines
7.4
Good
1,890 reviews
Delta
7.9
Good
3,019 reviews

Crew

8.5

Food

7.2

Boarding

8.0

Entertainment

7.8

Overall

7.9

Comfort

7.9

Reviews

1 / 10

Horrible experience. Delayed bags, missing items, delayed flights. Complete disaster

American Airlines
7.2
Good
2,635 reviews
Delta
7.9
Good
3,019 reviews

Crew

8.5

Food

7.2

Boarding

8.0

Entertainment

7.8

Overall

7.9

Comfort

7.9

Reviews

1 / 10

Horrible experience. Delayed bags, missing items, delayed flights. Complete disaster

Frontier
5.8
Fair
762 reviews
Delta
7.9
Good
3,019 reviews

Crew

8.5

Food

7.2

Boarding

8.0

Entertainment

7.8

Overall

7.9

Comfort

7.9

Reviews

1 / 10

Horrible experience. Delayed bags, missing items, delayed flights. Complete disaster

Related info for your journey

Useful info, stats and facts about Knoxville to Portland flights.

Can I find flights from Knoxville to Portland for under $300 on Cheapflights?

Yes, there are multiple flights from Knoxville to Portland for under $300. The cheapest flight booked recently is on Multiple Airlines for just $210, but on average you can expect to pay $295.

Are there last-minute flights available from Knoxville to Portland for under $600?

There are currently 7+ open flights from Knoxville to Portland within the next 7 days for less than $600.

How popular is this Knoxville to Portland flight route?

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

Frontier, at $217, was found to be the cheapest airline from Knoxville to Portland.Alternate airlines to your destination round-trip include United Airlines and American Airlines. Users have found that Frontier is 66% 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 $107. Users have also found prices from $223 and $269 on American Airlines and Delta, respectively.

What are the most popular airlines that fly from Knoxville to Portland?

What does TYS to PDX mean?

These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Knoxville McGhee Tyson Airport to Portland Airport flight would often be abbreviated as a TYS to PDX flight.

Top 5 airlines flying from Knoxville to Portland

The chart below displays the airlines Cheapflights users traveling from Knoxville to Portland choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$166Average$278FlexibilityNo cancel feeOn-time62%
Search Frontier flights
United AirlinesCheapest$390Average$703FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapest$403Average$607FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
DeltaCheapest$423Average$698FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Alaska AirlinesCheapest$580Average$758FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
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