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Cheap flights from Billings to Knoxville from $251

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Billings to Knoxville departing on 8/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Billings to Knoxville

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
11:43 am - 8:53 pm
BIL
-
TYS
7h 10m
1 stop
United Airlines Logo
4:50 pm - 9:00 pm
TYS
-
BIL
6h 10m
1 stop
$452United Airlines
Sat, Aug 15 - Sat, Aug 22
United Airlines Logo
11:43 am - 8:53 pm
BIL
-
TYS
7h 10m
1 stop
United Airlines Logo
2:21 pm - 10:51 pm
TYS
-
BIL
10h 30m
2 stops
$487United Airlines
Sat, Aug 15 - Sat, Aug 22
Delta Logo
6:26 am - 11:00 pm
BIL
-
TYS
14h 34m
1 stop
Delta Logo
6:15 pm - 11:30 pm
TYS
-
BIL
7h 15m
1 stop
$548Delta
Mon, Aug 3 - Mon, Aug 10
Delta Logo
6:26 am - 11:00 pm
BIL
-
TYS
14h 34m
1 stop
Delta Logo
5:22 pm - 11:30 pm
TYS
-
BIL
8h 08m
2 stops
$553Delta
Mon, Aug 3 - Mon, Aug 10
Delta Logo
5:20 am - 11:00 pm
BIL
-
TYS
15h 40m
2 stops
Delta Logo
5:22 pm - 11:30 pm
TYS
-
BIL
8h 08m
2 stops
$558Delta
Mon, Aug 3 - Mon, Aug 10
Delta Logo
6:26 am - 11:00 pm
BIL
-
TYS
14h 34m
1 stop
Delta Logo
12:01 pm - 10:25 pm
TYS
-
BIL
12h 24m
2 stops
$568Delta
Tue, Aug 4 - Wed, Aug 12
Delta Logo
5:20 am - 11:00 pm
BIL
-
TYS
15h 40m
2 stops
Delta Logo
12:01 pm - 10:25 pm
TYS
-
BIL
12h 24m
2 stops
$573Delta
Mon, Aug 3 - Wed, Aug 12
United Airlines Logo
5:00 am - 4:58 pm
BIL
-
TYS
9h 58m
2 stops
United Airlines Logo
5:45 am - 5:16 pm
TYS
-
BIL
13h 31m
2 stops
$583United Airlines
Sat, Aug 15 - Sat, Aug 22
Delta Logo
6:24 am - 5:55 pm
BIL
-
TYS
9h 31m
2 stops
Delta Logo
6:36 pm - 11:30 pm
TYS
-
BIL
6h 54m
1 stop
$607Delta
Tue, Jul 14 - Thu, Jul 23
Delta Logo
5:20 am - 11:00 pm
BIL
-
TYS
15h 40m
2 stops
Delta Logo
5:22 pm - 11:30 pm
TYS
-
BIL
8h 08m
2 stops
$608Delta
Tue, Aug 4 - Mon, Aug 10

United Airlines flights from Billings to Knoxville

Our best United Airlines deals on Billings to Knoxville flight tickets
United Airlines
Aug 15
BIL11:43 amBillings Logan Intl
7h 10m
1 stop
TYS8:53 pmKnoxville McGhee Tyson
Aug 22
TYS4:50 pmKnoxville McGhee Tyson
6h 10m
1 stop
BIL9:00 pmBillings Logan Intl
$452
United Airlines
Aug 15
BIL11:43 amBillings Logan Intl
7h 10m
1 stop
TYS8:53 pmKnoxville McGhee Tyson
Aug 22
TYS2:21 pmKnoxville McGhee Tyson
10h 30m
2 stops
BIL10:51 pmBillings Logan Intl
$487
United Airlines
Aug 15
BIL5:00 amBillings Logan Intl
9h 58m
2 stops
TYS4:58 pmKnoxville McGhee Tyson
Aug 22
TYS5:45 amKnoxville McGhee Tyson
13h 31m
2 stops
BIL5:16 pmBillings Logan Intl
$583

American Airlines flights from Billings to Knoxville

Our best American Airlines deals on Billings to Knoxville flight tickets
American Airlines
Aug 4
BIL1:29 pmBillings Logan Intl
8h 22m
1 stop
TYS11:51 pmKnoxville McGhee Tyson
Aug 8
TYS12:52 pmKnoxville McGhee Tyson
11h 17m
2 stops
BIL10:09 pmBillings Logan Intl
$659
American Airlines
Aug 4
BIL12:49 pmBillings Logan Intl
9h 02m
2 stops
TYS11:51 pmKnoxville McGhee Tyson
Aug 8
TYS12:52 pmKnoxville McGhee Tyson
11h 17m
2 stops
BIL10:09 pmBillings Logan Intl
$675
American Airlines
Aug 4
BIL1:29 pmBillings Logan Intl
8h 22m
1 stop
TYS11:51 pmKnoxville McGhee Tyson
Aug 9
TYS7:34 amKnoxville McGhee Tyson
6h 16m
1 stop
BIL11:50 amBillings Logan Intl
$695

momondo Fare Finder

 
Customize your flight search to find flights from Billings to Knoxville 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 May 31, 2026.
Use the filters below to find and compare flights from Billings to Knoxville that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

BillingsKnoxville

BIL - TYS

BILTYS

Billings Logan Intl

Sat 8/15

11:43 am-8:53 pm

1 stop7h 10m

Knoxville McGhee Tyson

Sat 8/22

4:50 pm-9:00 pm

1 stop6h 10m

$452

BillingsKnoxville

BIL - TYS

BILTYS

Billings Logan Intl

Sat 8/15

11:43 am-8:53 pm

1 stop7h 10m

Knoxville McGhee Tyson

Sat 8/22

2:21 pm-10:51 pm

2 stops10h 30m

$487

BillingsKnoxville

BIL - TYS

BILTYS

Billings Logan Intl

Mon 8/3

6:26 am-11:00 pm

1 stop14h 34m

Knoxville McGhee Tyson

Mon 8/10

6:15 pm-11:30 pm

1 stop7h 15m

$548

BillingsKnoxville

BIL - TYS

BILTYS

Billings Logan Intl

Mon 8/3

6:26 am-11:00 pm

1 stop14h 34m

Knoxville McGhee Tyson

Mon 8/10

5:22 pm-11:30 pm

2 stops8h 08m

$553

BillingsKnoxville

BIL - TYS

BILTYS

Billings Logan Intl

Mon 8/3

5:20 am-11:00 pm

2 stops15h 40m

Knoxville McGhee Tyson

Mon 8/10

5:22 pm-11:30 pm

2 stops8h 08m

$558

BillingsKnoxville

BIL - TYS

BILTYS

Billings Logan Intl

Tue 8/4

6:26 am-11:00 pm

1 stop14h 34m

Knoxville McGhee Tyson

Wed 8/12

12:01 pm-10:25 pm

2 stops12h 24m

$568

BillingsKnoxville

BIL - TYS

BILTYS

Billings Logan Intl

Mon 8/3

5:20 am-11:00 pm

2 stops15h 40m

Knoxville McGhee Tyson

Wed 8/12

12:01 pm-10:25 pm

2 stops12h 24m

$573

BillingsKnoxville

BIL - TYS

BILTYS

Billings Logan Intl

Sat 8/15

5:00 am-4:58 pm

2 stops9h 58m

Knoxville McGhee Tyson

Sat 8/22

5:45 am-5:16 pm

2 stops13h 31m

$583

BillingsKnoxville

BIL - TYS

BILTYS

Billings Logan Intl

Tue 7/14

6:24 am-5:55 pm

2 stops9h 31m

Knoxville McGhee Tyson

Thu 7/23

6:36 pm-11:30 pm

1 stop6h 54m

$607

BillingsKnoxville

BIL - TYS

BILTYS

Billings Logan Intl

Tue 8/4

5:20 am-11:00 pm

2 stops15h 40m

Knoxville McGhee Tyson

Mon 8/10

5:22 pm-11:30 pm

2 stops8h 08m

$608

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Knoxville from

How to get the cheapest flight ticket from Billings to Knoxville

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 Knoxville?

The month of December is, on average, the cheapest month to fly to Knoxville from Billings, with most prices found around $377. If you aren’t able to travel during the month of December, then book flights to Knoxville from Billings during August instead. Flights to Knoxville in August, while not as cheap as those in December, still average around $422.

Can stopping save me money on Billings to Knoxville flights?

You could potentially save up to 67% on your flight if you consider stops on a Billings to Knoxville flight.

When to book flights from Billings to Knoxville

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

Cheap Billings to Knoxville (BIL to TYS) flight deals and tips

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

Fastest flight time

5h 54m

Direct flights

None
The fastest flight from Billings to Knoxville takes 5h 54m
There are no direct flights from Billings to Knoxville. There are no popular flight routes from Billings to Knoxville.
Search flight deals

Frequently asked questions about flying from Billings to Knoxville

  • How far is Billings Logan Intl to Knoxville McGhee Tyson by plane?

    Knoxville McGhee Tyson is 1443.2 mi away from Billings Logan Intl. 5h 54m is a normal flight duration for this route.

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

    Prices for flights from Billings Logan Intl Airport to Knoxville McGhee Tyson Airport refresh daily.

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

  • How old do you have to be to fly from Billings Logan Intl Airport to Knoxville McGhee Tyson Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Billings Logan Intl Airport to Knoxville McGhee Tyson Airport.

  • What documentation or ID do you need to fly to Knoxville McGhee Tyson Airport?

    The travel and health documents required for your trip to Knoxville McGhee Tyson 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 Knoxville McGhee Tyson 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 Billings to Knoxville?

Best airlines flying from Billings to Knoxville

Compare and see reviews for airlines that fly from Billings to Knoxville with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $268Free CancellationRating
7.1
11,642 reviews
Search American Airlines flights

Traveling to a place near Knoxville?

Book flights to Knoxville if you plan to visit one of these locations
Pigeon Forge
Gatlinburg
Cherokee
Bryson City
Morristown
Corbin
Alcoa
Maryville
Crossville
Murphy
Oak Ridge
Kodak
Newport
Lenoir City
Dandridge
Clinton
Jefferson City
Rockford

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Billings to Knoxville. Millions of users trust and use momondo every year so you are in good hands.

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

Flights from Billings to Knoxville with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo provides multiple filters to help you find the best flight to Knoxville from Billings. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes momondo offers price alerts on flights to Knoxville from Billings. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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