Cheap flights from Knoxville to the United States from $49

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 the United States departing on 9/20. 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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Cheap round-trip flights

Allegiant Air Logo
6:19 pm - 7:54 pmTYS-SFB
1h 35mnonstop
Allegiant Air Logo
8:59 pm - 10:34 pmSFB-TYS
1h 35mnonstop
$83Allegiant Air
Find Deal
Thu, Sep 11 - Mon, Sep 15
Allegiant Air Logo
3:25 pm - 5:00 pmTYS-SFB
1h 35mnonstop
Allegiant Air Logo
7:06 pm - 8:41 pmSFB-TYS
1h 35mnonstop
$87Allegiant Air
Find Deal
Wed, Sep 17 - Sat, Sep 20
Frontier Logo
8:17 pm - 9:39 pmTYS-DEN
3h 22mnonstop
Frontier Logo
2:43 pm - 7:32 pmDEN-TYS
2h 49mnonstop
$112Frontier
Find Deal
Thu, Oct 23 - Sun, Oct 26
Frontier Logo
8:35 pm - 9:44 pmTYS-DEN
3h 09mnonstop
Frontier Logo
2:59 pm - 7:45 pmDEN-TYS
2h 46mnonstop
$135Frontier
Find Deal
Mon, Sep 8 - Mon, Sep 15
American Airlines Logo
6:10 am - 8:18 amTYS-MIA
2h 08mnonstop
American Airlines Logo
9:35 pm - 11:50 pmMIA-TYS
2h 15mnonstop
$174American Airlines
Find Deal
Tue, Sep 16 - Wed, Sep 24
Delta Logo
11:57 am - 1:59 pmTYS-LGA
2h 02mnonstop
Delta Logo
6:26 pm - 8:39 pmLGA-TYS
2h 13mnonstop
$183Delta
Find Deal
Wed, Sep 17 - Wed, Sep 24
United Airlines Logo
2:00 pm - 3:02 pmTYS-ORD
2h 02mnonstop
United Airlines Logo
7:55 pm - 10:45 pmORD-TYS
1h 50mnonstop
$189United Airlines
Find Deal
Fri, Sep 12 - Sun, Sep 14
Delta Logo
5:45 am - 11:01 amTYS-MIA
5h 16m1 stop
Delta Logo
10:28 am - 3:28 pmMIA-TYS
5h 00m1 stop
$194Delta
Find Deal
Tue, Sep 16 - Tue, Sep 23
United Airlines Logo
7:00 am - 7:55 amTYS-ORD
1h 55mnonstop
United Airlines Logo
7:45 pm - 10:36 pmORD-TYS
1h 51mnonstop
$194United Airlines
Find Deal
Fri, Sep 5 - Fri, Sep 12
American Airlines Logo
1:06 pm - 3:20 pmTYS-LGA
2h 14mnonstop
American Airlines Logo
10:21 am - 12:36 pmLGA-TYS
2h 15mnonstop
$198American Airlines
Find Deal
Tue, Sep 16 - Tue, Sep 23

American Airlines flights from Knoxville to United States

Our best American Airlines deals on Knoxville to United States flight tickets
American Airlines
Sep 16
TYS6:10 amKnoxville McGhee Tyson
2h 08m
MIA8:18 amMiami
Sep 24
MIA9:35 pmMiami
2h 15m
TYS11:50 pmKnoxville McGhee Tyson
American Airlines
Sep 16
TYS1:06 pmKnoxville McGhee Tyson
2h 14m
LGA3:20 pmNew York LaGuardia
Sep 23
LGA10:21 amNew York LaGuardia
2h 15m
TYS12:36 pmKnoxville McGhee Tyson
American Airlines
Nov 8
TYS5:07 pmKnoxville McGhee Tyson
2h 07m
MIA7:14 pmMiami
Nov 15
MIA9:35 pmMiami
2h 10m
TYS11:45 pmKnoxville McGhee Tyson

Delta flights from Knoxville to United States

Our best Delta deals on Knoxville to United States flight tickets
Delta
Sep 17
TYS11:57 amKnoxville McGhee Tyson
2h 02m
LGA1:59 pmNew York LaGuardia
Sep 24
LGA6:26 pmNew York LaGuardia
2h 13m
TYS8:39 pmKnoxville McGhee Tyson
Delta
Sep 16
TYS5:45 amKnoxville McGhee Tyson
5h 16m
1 stop
MIA11:01 amMiami
Sep 23
MIA10:28 amMiami
5h 00m
1 stop
TYS3:28 pmKnoxville McGhee Tyson
Delta
Sep 17
TYS5:45 amKnoxville McGhee Tyson
4h 01m
1 stop
JFK9:46 amNew York John F Kennedy Intl
Sep 27
JFK6:00 amNew York John F Kennedy Intl
4h 25m
1 stop
TYS10:25 amKnoxville McGhee Tyson

momondo Fare Finder

 
Customize your flight search to find flights from Knoxville to United States 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 August 20, 2025.
Use the filters below to find and compare flights from Knoxville to the United States that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

KnoxvilleOrlando

TYS - SFB

TYSSFB

Knoxville McGhee Tyson

Thu 9/11

6:19 pm-7:54 pm

Nonstop1h 35m

Orlando Sanford Intl

Mon 9/15

8:59 pm-10:34 pm

Nonstop1h 35m

$83

KnoxvilleOrlando

TYS - SFB

TYSSFB

Knoxville McGhee Tyson

Wed 9/17

3:25 pm-5:00 pm

Nonstop1h 35m

Orlando Sanford Intl

Sat 9/20

7:06 pm-8:41 pm

Nonstop1h 35m

$87

KnoxvilleDenver

TYS - DEN

TYSDEN

Knoxville McGhee Tyson

Thu 10/23

8:17 pm-9:39 pm

Nonstop3h 22m

Denver Intl

Sun 10/26

2:43 pm-7:32 pm

Nonstop2h 49m

$112

KnoxvilleDenver

TYS - DEN

TYSDEN

Knoxville McGhee Tyson

Mon 9/8

8:35 pm-9:44 pm

Nonstop3h 09m

Denver Intl

Mon 9/15

2:59 pm-7:45 pm

Nonstop2h 46m

$135

KnoxvilleMiami

TYS - MIA

TYSMIA

Knoxville McGhee Tyson

Tue 9/16

6:10 am-8:18 am

Nonstop2h 08m

Miami

Wed 9/24

9:35 pm-11:50 pm

Nonstop2h 15m

$174

KnoxvilleNew York

TYS - LGA

TYSLGA

Knoxville McGhee Tyson

Wed 9/17

11:57 am-1:59 pm

Nonstop2h 02m

New York LaGuardia

Wed 9/24

6:26 pm-8:39 pm

Nonstop2h 13m

$183

KnoxvilleChicago

TYS - ORD

TYSORD

Knoxville McGhee Tyson

Fri 9/12

2:00 pm-3:02 pm

Nonstop2h 02m

Chicago O'Hare Intl

Sun 9/14

7:55 pm-10:45 pm

Nonstop1h 50m

$189

KnoxvilleMiami

TYS - MIA

TYSMIA

Knoxville McGhee Tyson

Tue 9/16

5:45 am-11:01 am

1 stop5h 16m

Miami

Tue 9/23

10:28 am-3:28 pm

1 stop5h 00m

$194

KnoxvilleChicago

TYS - ORD

TYSORD

Knoxville McGhee Tyson

Fri 9/5

7:00 am-7:55 am

Nonstop1h 55m

Chicago O'Hare Intl

Fri 9/12

7:45 pm-10:36 pm

Nonstop1h 51m

$194

KnoxvilleNew York

TYS - LGA

TYSLGA

Knoxville McGhee Tyson

Tue 9/16

1:06 pm-3:20 pm

Nonstop2h 14m

New York LaGuardia

Tue 9/23

10:21 am-12:36 pm

Nonstop2h 15m

$198

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 the United States from

How to get the cheapest flight ticket from Knoxville to United States

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 United States?

In general, April is the cheapest month to fly from Knoxville to United States. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $216. If you aren’t able to travel during the month of April, then book flights to United States from Knoxville during January instead. Flights to United States in January, while not as cheap as those in April, still average around $244.

What is the cheapest day to depart on your flight to United States?

According to our data, Saturday is the cheapest day to fly to United States from Knoxville. The lowest ticket price found for a Saturday departure recently was $240. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $352. These prices are subject to change though, so be sure to set up a Price Alert for flights to United States.

What is the cheapest time of day to depart on your flight to United States?

The cheapest time of day to fly to United States is at noon when flights can be purchased for as low as $258. Try not to purchase tickets in the afternoon because they tend to be around $329. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Knoxville McGhee Tyson to United States flight route?

Fly from Knoxville McGhee Tyson to Boston Logan Intl for the best Knoxville McGhee Tyson - United States flight prices

What cabin class options are available on Knoxville McGhee Tyson to United States flights?

There are 4 cabin classes available to choose from on Knoxville McGhee Tyson to United States flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Knoxville to United States flights?

No. A direct flight is the cheapest option for a flight between Knoxville to United States.

Cheap Knoxville to United States flight deals and tips

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

Best Price Found

$39

Fastest flight time

1h 31m

Direct flights

Every day

Airports in United States

2 airports
The best one-way flight to United States from Knoxville in the past 72 hours is $39. The best round-trip flight deal from Knoxville to United States found on momondo in the last 72 hours is $56.
The fastest flight from Knoxville to United States takes 1h 31m
Direct flights go from Knoxville to United States every day.
There are 2 airports near United States: Orlando (MCO), Orlando Sanford Intl (SFB)
  • When did momondo last update prices for flights from Knoxville McGhee Tyson Airport to United States?

    Prices for flights from Knoxville McGhee Tyson Airport to United States are updated daily.

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Knoxville McGhee Tyson Airport to United States.

  • What documentation or ID do you need to fly to United States?

    The travel and health documents required for your trip to United States 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 United States. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Knoxville to United States?

Best airlines flying from Knoxville to United States

Compare and see reviews for airlines that fly from Knoxville to United States with momondo
Airline
Rating
Free Cancellation
Price
Allegiant AirPriceFrom $69Free CancellationRating
7.2
701 reviews
Search Allegiant Air flights
FrontierPriceFrom $76Free CancellationRating
5.8
3,207 reviews
Search Frontier flights
DeltaPriceFrom $178Free CancellationRating
7.9
7,982 reviews
Search Delta flights
United AirlinesPriceFrom $199Free CancellationRating
7.4
8,928 reviews
Search United Airlines flights
American AirlinesPriceFrom $208Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

Why use momondo?

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

It is quick and easy to find Knoxville to United States flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to United States that suits you.

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

Yes. momondo allows you to filter the results for Knoxville to United States flights to just show those with flexible booking policies.

How can momondo help me find flights from Knoxville to United States?

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

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

If you are simply researching potential flights to United States, momondo offers a useful price alert feature which will track prices for flights to United States from Knoxville and alert you when they change.

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1 adult
Mon 8/25
Mon 9/1

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