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Cheap flights from Knoxville to Idaho Falls from $406

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Knoxville to Idaho Falls

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
9:00 am - 1:24 pmTYS  Knoxville McGhee Tyson-IDA Idaho Falls Fanning Field
6h 24m1 stop Denver Intl
United Airlines Logo
2:28 pm - 10:14 pmIDA  Idaho Falls Fanning Field-TYS Knoxville McGhee Tyson
5h 46m1 stop Denver Intl
$406United Airlines
Wed, Oct 14 - Tue, Oct 20
United Airlines Logo
9:00 am - 1:24 pmTYS  Knoxville McGhee Tyson-IDA Idaho Falls Fanning Field
6h 24m1 stop Denver Intl
United Airlines Logo
2:28 pm - 10:14 pmIDA  Idaho Falls Fanning Field-TYS Knoxville McGhee Tyson
5h 46m1 stop Denver Intl
$425United Airlines
Wed, Oct 14 - Mon, Oct 19
United Airlines Logo
9:00 am - 3:38 pmTYS  Knoxville McGhee Tyson-IDA Idaho Falls Fanning Field
8h 38m1 stop Denver Intl
United Airlines Logo
2:35 pm - 10:32 pmIDA  Idaho Falls Fanning Field-TYS Knoxville McGhee Tyson
5h 57m1 stop Denver Intl
$459United Airlines
Sat, Nov 14 - Tue, Nov 17
United Airlines Logo
9:00 am - 3:38 pmTYS  Knoxville McGhee Tyson-IDA Idaho Falls Fanning Field
8h 38m1 stop Denver Intl
United Airlines Logo
10:35 am - 11:59 pmIDA  Idaho Falls Fanning Field-TYS Knoxville McGhee Tyson
11h 24m2 stops Denver Intl Washington, D.C. Dulles Intl
$464United Airlines
Sat, Nov 14 - Tue, Nov 17
United Airlines Logo
7:15 am - 3:24 pmTYS  Knoxville McGhee Tyson-IDA Idaho Falls Fanning Field
10h 09m2 stops Houston George Bush Intcntl Denver Intl
United Airlines Logo
2:35 pm - 10:32 pmIDA  Idaho Falls Fanning Field-TYS Knoxville McGhee Tyson
5h 57m1 stop Denver Intl
$464United Airlines
Sat, Oct 24 - Thu, Oct 29
United Airlines Logo
5:45 am - 3:38 pmTYS  Knoxville McGhee Tyson-IDA Idaho Falls Fanning Field
11h 53m2 stops Washington, D.C. Dulles Intl Denver Intl
United Airlines Logo
10:35 am - 11:59 pmIDA  Idaho Falls Fanning Field-TYS Knoxville McGhee Tyson
11h 24m2 stops Denver Intl Washington, D.C. Dulles Intl
$469United Airlines
Sat, Nov 14 - Tue, Nov 17
American Airlines Logo
3:00 pm - 9:42 pmTYS  Knoxville McGhee Tyson-IDA Idaho Falls Fanning Field
8h 42m1 stop Dallas/Fort Worth
American Airlines Logo
1:39 pm - 11:18 pmIDA  Idaho Falls Fanning Field-TYS Knoxville McGhee Tyson
7h 39m1 stop Dallas/Fort Worth
$499American Airlines
Fri, Oct 16 - Wed, Oct 21
Delta Logo
12:06 pm - 10:10 pmTYS  Knoxville McGhee Tyson-IDA Idaho Falls Fanning Field
12h 04m2 stops Atlanta Hartsfield-Jackson Salt Lake City
Delta Logo
6:56 pm - 9:34 amIDA  Idaho Falls Fanning Field-TYS Knoxville McGhee Tyson
12h 38m2 stops Salt Lake City Atlanta Hartsfield-Jackson
$515Delta
Wed, Oct 14 - Tue, Oct 20
American Airlines Logo
11:35 am - 9:42 pmTYS  Knoxville McGhee Tyson-IDA Idaho Falls Fanning Field
12h 07m2 stops Philadelphia Dallas/Fort Worth
American Airlines Logo
1:39 pm - 11:18 pmIDA  Idaho Falls Fanning Field-TYS Knoxville McGhee Tyson
7h 39m1 stop Dallas/Fort Worth
$516American Airlines
Fri, Oct 16 - Wed, Oct 21
American Airlines Logo
7:30 am - 1:20 pmTYS  Knoxville McGhee Tyson-IDA Idaho Falls Fanning Field
7h 50m1 stop Chicago O'Hare Intl
American Airlines Logo
1:50 pm - 11:59 pmIDA  Idaho Falls Fanning Field-TYS Knoxville McGhee Tyson
8h 09m1 stop Chicago O'Hare Intl
$529American Airlines
Wed, Oct 7 - Wed, Oct 14

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Delta flights from Knoxville to Idaho Falls

Our best Delta deals on Knoxville to Idaho Falls flight tickets
Delta
Oct 14
TYS12:06 pmKnoxville McGhee Tyson
12h 04m
2 stops
IDA10:10 pmIdaho Falls Fanning Field
Oct 20
IDA6:56 pmIdaho Falls Fanning Field
12h 38m
2 stops
TYS9:34 amKnoxville McGhee Tyson
$515
Delta
Oct 24
TYS5:40 amKnoxville McGhee Tyson
8h 42m
2 stops
IDA12:22 pmIdaho Falls Fanning Field
Oct 29
IDA6:56 pmIdaho Falls Fanning Field
12h 38m
2 stops
TYS9:34 amKnoxville McGhee Tyson
$550
Delta
Oct 22
TYS12:06 pmKnoxville McGhee Tyson
12h 04m
2 stops
IDA10:10 pmIdaho Falls Fanning Field
Oct 31
IDA1:05 pmIdaho Falls Fanning Field
7h 57m
2 stops
TYS11:02 pmKnoxville McGhee Tyson
$659

United Airlines flights from Knoxville to Idaho Falls

Our best United Airlines deals on Knoxville to Idaho Falls flight tickets
United Airlines
Oct 14
TYS9:00 amKnoxville McGhee Tyson
6h 24m
1 stop
IDA1:24 pmIdaho Falls Fanning Field
Oct 20
IDA2:28 pmIdaho Falls Fanning Field
5h 46m
1 stop
TYS10:14 pmKnoxville McGhee Tyson
$406
United Airlines
Oct 14
TYS9:00 amKnoxville McGhee Tyson
6h 24m
1 stop
IDA1:24 pmIdaho Falls Fanning Field
Oct 19
IDA2:28 pmIdaho Falls Fanning Field
5h 46m
1 stop
TYS10:14 pmKnoxville McGhee Tyson
$425
United Airlines
Nov 14
TYS9:00 amKnoxville McGhee Tyson
8h 38m
1 stop
IDA3:38 pmIdaho Falls Fanning Field
Nov 17
IDA2:35 pmIdaho Falls Fanning Field
5h 57m
1 stop
TYS10:32 pmKnoxville McGhee Tyson
$459

momondo Fare Finder

 
Use the filters below to find and compare flights from Knoxville to Idaho Falls that are best for you.

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Price

Cheapest round-trip
Quickest round-trip

KnoxvilleIdaho Falls

TYS Knoxville McGhee Tyson - IDA Idaho Falls Fanning Field

TYSIDA

Knoxville McGhee Tyson

Wed 10/14

9:00 am-1:24 pm

1 stop6h 24m

Idaho Falls Fanning Field

Tue 10/20

2:28 pm-10:14 pm

1 stop5h 46m

$406

KnoxvilleIdaho Falls

TYS Knoxville McGhee Tyson - IDA Idaho Falls Fanning Field

TYSIDA

Knoxville McGhee Tyson

Wed 10/14

9:00 am-1:24 pm

1 stop6h 24m

Idaho Falls Fanning Field

Mon 10/19

2:28 pm-10:14 pm

1 stop5h 46m

$425

KnoxvilleIdaho Falls

TYS Knoxville McGhee Tyson - IDA Idaho Falls Fanning Field

TYSIDA

Knoxville McGhee Tyson

Sat 11/14

9:00 am-3:38 pm

1 stop8h 38m

Idaho Falls Fanning Field

Tue 11/17

2:35 pm-10:32 pm

1 stop5h 57m

$459

KnoxvilleIdaho Falls

TYS Knoxville McGhee Tyson - IDA Idaho Falls Fanning Field

TYSIDA

Knoxville McGhee Tyson

Sat 11/14

9:00 am-3:38 pm

1 stop8h 38m

Idaho Falls Fanning Field

Tue 11/17

10:35 am-11:59 pm

2 stops11h 24m

$464

KnoxvilleIdaho Falls

TYS Knoxville McGhee Tyson - IDA Idaho Falls Fanning Field

TYSIDA

Knoxville McGhee Tyson

Sat 10/24

7:15 am-3:24 pm

2 stops10h 09m

Idaho Falls Fanning Field

Thu 10/29

2:35 pm-10:32 pm

1 stop5h 57m

$464

KnoxvilleIdaho Falls

TYS Knoxville McGhee Tyson - IDA Idaho Falls Fanning Field

TYSIDA

Knoxville McGhee Tyson

Sat 11/14

5:45 am-3:38 pm

2 stops11h 53m

Idaho Falls Fanning Field

Tue 11/17

10:35 am-11:59 pm

2 stops11h 24m

$469

KnoxvilleIdaho Falls

TYS Knoxville McGhee Tyson - IDA Idaho Falls Fanning Field

TYSIDA

Knoxville McGhee Tyson

Fri 10/16

3:00 pm-9:42 pm

1 stop8h 42m

Idaho Falls Fanning Field

Wed 10/21

1:39 pm-11:18 pm

1 stop7h 39m

$499

KnoxvilleIdaho Falls

TYS Knoxville McGhee Tyson - IDA Idaho Falls Fanning Field

TYSIDA

Knoxville McGhee Tyson

Wed 10/14

12:06 pm-10:10 pm

2 stops12h 04m

Idaho Falls Fanning Field

Tue 10/20

6:56 pm-9:34 am

2 stops12h 38m

$515

KnoxvilleIdaho Falls

TYS Knoxville McGhee Tyson - IDA Idaho Falls Fanning Field

TYSIDA

Knoxville McGhee Tyson

Fri 10/16

11:35 am-9:42 pm

2 stops12h 07m

Idaho Falls Fanning Field

Wed 10/21

1:39 pm-11:18 pm

1 stop7h 39m

$516

KnoxvilleIdaho Falls

TYS Knoxville McGhee Tyson - IDA Idaho Falls Fanning Field

TYSIDA

Knoxville McGhee Tyson

Wed 10/7

7:30 am-1:20 pm

1 stop7h 50m

Idaho Falls Fanning Field

Wed 10/14

1:50 pm-11:59 pm

1 stop8h 09m

$529

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Idaho Falls from

How to get the cheapest flight ticket from Knoxville to Idaho Falls

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 airlines fly to Idaho Falls?

American Airlines, United Airlines and Delta are the top three most popular airlines that fly to Idaho Falls from Knoxville according to our data. American Airlines is the first choice among our users, with 62% of people opting to fly with this airline when traveling to Idaho Falls. Keep in mind that there are 3 different airlines that fly to Idaho Falls on a routine basis, so you have a few additional options to choose from.

When to book flights from Knoxville to Idaho Falls

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

Cheap Knoxville to Idaho Falls (TYS to IDA) flight deals and tips

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

Best Price Found

$406

Fastest flight time

6h 01m

Direct flights

None
The best flight deal from Knoxville to Idaho Falls found on momondo in the last 72 hours is $406
The fastest flight from Knoxville to Idaho Falls takes 6h 01m
There are no direct flights from Knoxville to Idaho Falls. There are no popular flight routes from Knoxville to Idaho Falls.
Search flight deals

Frequently asked questions about flying from Knoxville to Idaho Falls

  • How far is Knoxville McGhee Tyson to Idaho Falls Fanning Field by plane?

    The straight-line distance from Knoxville McGhee Tyson to Idaho Falls Fanning Field is 1571.6 mi. A reasonable flight in good conditions will take 6h 01m.

  • When did momondo last update prices for flights from Knoxville McGhee Tyson Airport to Idaho Falls Fanning Field Airport?

    Prices for flights from Knoxville McGhee Tyson Airport to Idaho Falls Fanning Field Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Knoxville McGhee Tyson Airport to Idaho Falls Fanning Field Airport?

  • How old do you have to be to fly from Knoxville McGhee Tyson Airport to Idaho Falls Fanning Field 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 Idaho Falls Fanning Field Airport.

  • What documentation or ID do you need to fly to Idaho Falls Fanning Field Airport?

    The required travel and health documents for your Idaho Falls Fanning Field Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Idaho Falls Fanning Field Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Knoxville to Idaho Falls?

Best airlines flying from Knoxville to Idaho Falls

Compare and see reviews for airlines that fly from Knoxville to Idaho Falls with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $416Free CancellationRating
7.4
10,207 reviews
Search United Airlines flights

Traveling to a place near Idaho Falls?

Book flights to Idaho Falls if you plan to visit one of these locations
Rexburg

Why use momondo?

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

Finding the right flight to Idaho Falls from Knoxville is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Idaho Falls quick and easy, saving you time and money.

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

Flights from Knoxville to Idaho Falls 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 Knoxville to Idaho Falls?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Idaho Falls from Knoxville.

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

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

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