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Cheap flights from Knoxville to Portland from $214

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Knoxville to Portland departing on 11/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

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Delta Logo
3:57 pm - 10:23 pmTYS-PWM
6h 26m1 stop
Delta Logo
12:53 pm - 8:00 pmPWM-TYS
7h 07m1 stop
$271Delta
Find Deal
qui, dez 11 - sáb, dez 13
American Airlines Logo
5:03 pm - 11:59 pmTYS-PWM
6h 56m1 stop
American Airlines Logo
5:43 am - 10:54 amPWM-TYS
5h 11m1 stop
$279American Airlines
Find Deal
qua, nov 19 - dom, nov 23
American Airlines Logo
6:05 am - 3:24 pmTYS-PWM
9h 19m2 stops
American Airlines Logo
5:43 am - 10:54 amPWM-TYS
5h 11m1 stop
$284American Airlines
Find Deal
qua, nov 19 - dom, nov 23
American Airlines Logo
6:34 pm - 10:52 pmTYS-PWM
4h 18m1 stop
American Airlines Logo
5:18 pm - 11:57 pmPWM-TYS
6h 39m2 stops
$291American Airlines
Find Deal
qui, dez 11 - sáb, dez 13
Delta Logo
5:00 pm - 11:05 pmTYS-PWM
6h 05m1 stop
Delta Logo
4:50 pm - 9:32 pmPWM-TYS
4h 42m1 stop
$294Delta
Find Deal
qua, mar 25 - sáb, mar 28
Delta Logo
5:30 am - 1:51 pmTYS-PWM
8h 21m2 stops
Delta Logo
4:50 pm - 9:32 pmPWM-TYS
4h 42m1 stop
$299Delta
Find Deal
qua, mar 25 - sáb, mar 28
Southwest Logo
7:50 am - 11:55 amTYS-PWM
4h 05m1 stop
Southwest Logo
2:50 pm - 9:15 pmPWM-TYS
6h 25m1 stop
$318Southwest
Find Deal
seg, abr 6 - sex, abr 10
Southwest Logo
7:50 am - 11:55 amTYS-PWM
4h 05m1 stop
Southwest Logo
5:30 am - 6:10 pmPWM-TYS
12h 40m2 stops
$334Southwest
Find Deal
seg, abr 6 - sex, abr 10
United Airlines Logo
5:45 am - 1:36 pmTYS-PWM
7h 51m2 stops
United Airlines Logo
5:30 am - 10:48 amPWM-TYS
5h 18m1 stop
$362United Airlines
Find Deal
qui, nov 20 - dom, nov 23
United Airlines Logo
5:45 am - 1:36 pmTYS-PWM
7h 51m2 stops
United Airlines Logo
2:55 pm - 11:59 pmPWM-TYS
9h 04m2 stops
$466United Airlines
Find Deal
qui, nov 20 - dom, nov 23

American Airlines flights from Knoxville to Portland, Maine

Our best American Airlines deals on Knoxville to Portland, Maine flight tickets
American Airlines
Nov 19
TYS5:03 pmKnoxville McGhee Tyson
6h 56m
1 stop
PWM11:59 pmPortland
Nov 23
PWM5:43 amPortland
5h 11m
1 stop
TYS10:54 amKnoxville McGhee Tyson
$279
Find similar
American Airlines
Nov 19
TYS6:05 amKnoxville McGhee Tyson
9h 19m
2 stops
PWM3:24 pmPortland
Nov 23
PWM5:43 amPortland
5h 11m
1 stop
TYS10:54 amKnoxville McGhee Tyson
$284
Find similar
American Airlines
Dec 11
TYS6:34 pmKnoxville McGhee Tyson
4h 18m
1 stop
PWM10:52 pmPortland
Dec 13
PWM5:18 pmPortland
6h 39m
2 stops
TYS11:57 pmKnoxville McGhee Tyson
$291
Find similar

Delta flights from Knoxville to Portland, Maine

Our best Delta deals on Knoxville to Portland, Maine flight tickets
Delta
Dec 11
TYS3:57 pmKnoxville McGhee Tyson
6h 26m
1 stop
PWM10:23 pmPortland
Dec 13
PWM12:53 pmPortland
7h 07m
1 stop
TYS8:00 pmKnoxville McGhee Tyson
$271
Find similar
Delta
Mar 25
TYS5:00 pmKnoxville McGhee Tyson
6h 05m
1 stop
PWM11:05 pmPortland
Mar 28
PWM4:50 pmPortland
4h 42m
1 stop
TYS9:32 pmKnoxville McGhee Tyson
$294
Find similar
Delta
Mar 25
TYS5:30 amKnoxville McGhee Tyson
8h 21m
2 stops
PWM1:51 pmPortland
Mar 28
PWM4:50 pmPortland
4h 42m
1 stop
TYS9:32 pmKnoxville McGhee Tyson
$299
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Knoxville to Portland, Maine 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, momondo users made 832,500 searches. Data last updated outubro 22, 2025.
Use the filters below to find and compare flights from Knoxville to Portland, Maine that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

KnoxvillePortland

TYS - PWM

TYSPWM

Knoxville McGhee Tyson

qui 12/11

3:57 pm-10:23 pm

1 stop6h 26m

Portland

sáb 12/13

12:53 pm-8:00 pm

1 stop7h 07m

$271

KnoxvillePortland

TYS - PWM

TYSPWM

Knoxville McGhee Tyson

qua 11/19

5:03 pm-11:59 pm

1 stop6h 56m

Portland

dom 11/23

5:43 am-10:54 am

1 stop5h 11m

$279

KnoxvillePortland

TYS - PWM

TYSPWM

Knoxville McGhee Tyson

qua 11/19

6:05 am-3:24 pm

2 stops9h 19m

Portland

dom 11/23

5:43 am-10:54 am

1 stop5h 11m

$284

KnoxvillePortland

TYS - PWM

TYSPWM

Knoxville McGhee Tyson

qui 12/11

6:34 pm-10:52 pm

1 stop4h 18m

Portland

sáb 12/13

5:18 pm-11:57 pm

2 stops6h 39m

$291

KnoxvillePortland

TYS - PWM

TYSPWM

Knoxville McGhee Tyson

qua 3/25

5:00 pm-11:05 pm

1 stop6h 05m

Portland

sáb 3/28

4:50 pm-9:32 pm

1 stop4h 42m

$294

KnoxvillePortland

TYS - PWM

TYSPWM

Knoxville McGhee Tyson

qua 3/25

5:30 am-1:51 pm

2 stops8h 21m

Portland

sáb 3/28

4:50 pm-9:32 pm

1 stop4h 42m

$299

KnoxvillePortland

TYS - PWM

TYSPWM

Knoxville McGhee Tyson

seg 4/6

7:50 am-11:55 am

1 stop4h 05m

Portland

sex 4/10

2:50 pm-9:15 pm

1 stop6h 25m

$318

KnoxvillePortland

TYS - PWM

TYSPWM

Knoxville McGhee Tyson

seg 4/6

7:50 am-11:55 am

1 stop4h 05m

Portland

sex 4/10

5:30 am-6:10 pm

2 stops12h 40m

$334

KnoxvillePortland

TYS - PWM

TYSPWM

Knoxville McGhee Tyson

qui 11/20

5:45 am-1:36 pm

2 stops7h 51m

Portland

dom 11/23

5:30 am-10:48 am

1 stop5h 18m

$362

KnoxvillePortland

TYS - PWM

TYSPWM

Knoxville McGhee Tyson

qui 11/20

5:45 am-1:36 pm

2 stops7h 51m

Portland

dom 11/23

2:55 pm-11:59 pm

2 stops9h 04m

$466

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 resultsSorted by cheapest first
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See travel insights to Portland from

How to get the cheapest flight ticket from Knoxville to Portland, Maine

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Portland, Maine?

The cheapest month to fly to Portland, Maine from Knoxville is in January. Flight prices, which tend to average around $258, are often lower during this time because this is during the off-season. If you aren’t able to travel to Portland, Maine during the month of January, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $278.

What is the cheapest day to depart on your flight to Portland, Maine?

On average, the least expensive day to fly to Portland, Maine from Knoxville is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $331. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from Knoxville because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $452.

What is the cheapest time of day to depart on your flight to Portland, Maine?

In the afternoon is the cheapest time of day to fly from Knoxville to Portland, Maine when you can find flight prices for as low as $325. Flying to Portland, Maine in the afternoon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the evening because they tend to be around $452. Of course, these prices can vary depending on the time of year and what airport you fly to.

How far in advance should I book a flight to Portland, Maine?

You are more likely to see cheaper flights to Portland, Maine from Knoxville when booking weeks ahead of your departure date. In general, you can expect to find flights to Portland, Maine for around $358 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portland, Maine from Knoxville for as low as $273 on momondo.

When to book flights from Knoxville to Portland, Maine

Are you open to changing your travel dates? Check out the ideal times to fly from Knoxville to Portland, Maine according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Knoxville to Portland, Maine (TYS to PWM) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Knoxville to Portland, Maine

Direct flights

None
There are no direct flights from Knoxville to Portland, Maine. There are no popular flight routes from Knoxville to Portland, Maine.
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  • How far is Knoxville McGhee Tyson to Portland by plane?

    A flight from Knoxville McGhee Tyson to Portland will travel around 897.0 mi. Flights usually cover this in 4h 05m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Knoxville McGhee Tyson Airport to Portland Airport?

    Prices for flights from Knoxville McGhee Tyson Airport to Portland Airport were last updated today.

  • How many operators does momondo search for flights from Knoxville McGhee Tyson Airport to Portland Airport?

  • How old do you have to be to fly from Knoxville McGhee Tyson Airport to Portland Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Knoxville McGhee Tyson Airport to Portland Airport.

  • What documentation or ID do you need to fly to Portland Airport?

    The travel and health documents required for your trip to Portland Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Portland Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Knoxville to Portland, Maine?

Best airlines flying from Knoxville to Portland, Maine

Compare and see reviews for airlines that fly from Knoxville to Portland, Maine with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $246Free CancellationRating
7.9
7,981 reviews
Search Delta flights
United AirlinesPriceFrom $258Free CancellationRating
7.4
8,990 reviews
Search United Airlines flights
American AirlinesPriceFrom $258Free CancellationRating
7.2
11,028 reviews
Search American Airlines flights

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
North Conway
Boothbay Harbor
Jackson
Conway
Freeport
Lewiston
Brunswick
Bartlett
Auburn
Gorham
Intervale
Windham
Oxford
Bath
Georgetown
Tamworth
Falmouth

Why use momondo?

Why should I use momondo to find a flight deal from Knoxville to Portland?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Portland from Knoxville.

Can I find flights from Knoxville to Portland with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Portland from Knoxville with this policy.

How can momondo help me find flights from Knoxville to Portland?

Once all potential Knoxville to Portland flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Knoxville to Portland right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Knoxville to Portland now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Portland and let you know when they change.

An easier way to manage your Portland, Maine trip

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sex 11/21
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