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Cheap flights from Knoxville to Idaho Falls (TYS - IDA) from $406

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/21. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
TYS — IDA
May 14 — May 211
From?
To?
Tue 5/14
Tue 5/21
1 adult, Economy
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Cheap flight deals from Knoxville to Idaho Falls

Discover tips and strategies to find the most affordable flight options for your journey from Knoxville (TYS) to Idaho Falls (IDA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated May 9, 2024.

Popular in

December

Cheapest in

May

Average price

$443

Round-trip from

$397
High demand for flights, 46% potential price rise
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Best time to find cheap flights, 52% potential price drop
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Average for round-trip flights in May 2024
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From Knoxville McGhee Tyson to Idaho Falls Fanning Field
Search Deals

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

Flying to your destination on a Friday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Idaho Falls. Check prices with Cheapflights to find a great deal for your trip.

What is the cheapest month to fly from Knoxville to Idaho Falls?

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, May can be a great choice for travel to Idaho Falls. Flights to Idaho Falls from Knoxville in May are about $916 on average during May, but can be found for as low as $443.

When is the cheapest time to fly from Knoxville to Idaho Falls (TYS - IDA)?

One of the essential ways to save on airfare from Knoxville to Idaho Falls is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the morning could potentially save you up to 15% on airfare.

Cheap United Airlines flights from Knoxville to Idaho Falls

Explore cheap flight options specifically provided by United Airlines for the route between Knoxville and Idaho Falls. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,749,864 searches. Data last updated May 9, 2024.
Check out some of the cheapest United Airlines flights we've come across from Knoxville to Idaho Falls. Deals update often to give you more flight options matching your criteria
Wed 5/227:00 amTYS - IDA
2 stops16h 07mUnited Airlines
Wed 5/297:10 amIDA - TYS
1 stop6h 31mUnited Airlines
Deal found 5/8$620
Wed 5/228:52 amTYS - IDA
1 stop6h 42mUnited Airlines
Wed 5/2910:45 amIDA - TYS
1 stop9h 45mUnited Airlines
Deal found 5/8$652
Fri 8/24:45 pmTYS - IDA
1 stop18h 50mUnited Airlines
Sun 8/45:58 pmIDA - TYS
1 stop26h 32mUnited Airlines
Deal found 5/8$724
Wed 5/228:52 amTYS - IDA
1 stop6h 42mUnited Airlines
Fri 5/312:30 pmIDA - TYS
1 stop6h 00mUnited Airlines
Deal found 5/8$728
Wed 5/228:52 amTYS - IDA
1 stop6h 42mUnited Airlines
Fri 5/317:10 amIDA - TYS
2 stops13h 51mUnited Airlines
Deal found 5/8$747
Fri 8/25:45 pmTYS - IDA
2 stops25h 32mUnited Airlines
Sun 8/45:58 pmIDA - TYS
1 stop26h 32mUnited Airlines
Deal found 5/8$775
Wed 5/229:05 amTYS - IDA
2 stops14h 02mUnited Airlines
Fri 5/317:10 amIDA - TYS
2 stops13h 51mUnited Airlines
Deal found 5/8$811
Wed 7/34:45 pmTYS - IDA
1 stop18h 50mUnited Airlines
Sat 7/65:58 pmIDA - TYS
2 stops14h 27mUnited Airlines
Deal found 5/7$850
Fri 8/25:45 pmTYS - IDA
2 stops25h 32mUnited Airlines
Sun 8/45:58 pmIDA - TYS
2 stops18h 02mUnited Airlines
Deal found 5/8$864

Cheap American Airlines flights from Knoxville to Idaho Falls

Explore cheap flight options specifically provided by American Airlines for the route between Knoxville and Idaho Falls. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,749,864 searches. Data last updated May 9, 2024.
Have a look at some of the cheapest available American Airlines flights departing from Knoxville and landing in Idaho Falls. Make sure to examine the flight information before completing your reservation.
Thu 6/136:00 amTYS - IDA
1 stop9h 13mAmerican Airlines
Sun 6/161:43 pmIDA - TYS
1 stop8h 41mAmerican Airlines
Deal found 5/8$561
Thu 6/1312:44 pmTYS - IDA
2 stops10h 59mAmerican Airlines
Sun 6/161:43 pmIDA - TYS
1 stop6h 12mAmerican Airlines
Deal found 5/8$564
Thu 6/1312:44 pmTYS - IDA
2 stops10h 59mAmerican Airlines
Sun 6/166:32 amIDA - TYS
2 stops15h 27mAmerican Airlines
Deal found 5/8$569
Fri 6/215:12 amTYS - IDA
2 stops10h 01mAmerican Airlines
Mon 6/246:32 amIDA - TYS
2 stops10h 28mAmerican Airlines
Deal found 5/8$681
Wed 7/32:43 pmTYS - IDA
2 stops9h 00mAmerican Airlines
Sat 7/66:30 amIDA - TYS
2 stops10h 58mAmerican Airlines
Deal found 5/7$985

Cheap Knoxville to Idaho Falls flights in May & June 2024

Find cheap flight options from Knoxville to Idaho Falls specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,749,864 searches. Prices were last updated on May 9, 2024.
Scroll through some of the best deals on flights from Knoxville to Idaho Falls in 2024. For more flight deals, be sure to check back very soon.
Thu 6/136:00 amTYS - IDA
1 stop9h 13mAmerican Airlines
Sun 6/161:43 pmIDA - TYS
1 stop8h 41mAmerican Airlines
Deal found 5/8$561
Thu 6/1312:44 pmTYS - IDA
2 stops10h 59mAmerican Airlines
Sun 6/161:43 pmIDA - TYS
1 stop6h 12mAmerican Airlines
Deal found 5/8$564
Thu 6/1312:44 pmTYS - IDA
2 stops10h 59mAmerican Airlines
Sun 6/166:32 amIDA - TYS
2 stops15h 27mAmerican Airlines
Deal found 5/8$569
Wed 5/227:00 amTYS - IDA
2 stops16h 07mUnited Airlines
Wed 5/297:10 amIDA - TYS
1 stop6h 31mUnited Airlines
Deal found 5/8$620
Wed 5/228:52 amTYS - IDA
1 stop6h 42mUnited Airlines
Wed 5/2910:45 amIDA - TYS
1 stop9h 45mUnited Airlines
Deal found 5/8$652
Fri 6/215:12 amTYS - IDA
2 stops10h 01mAmerican Airlines
Mon 6/246:32 amIDA - TYS
2 stops10h 28mAmerican Airlines
Deal found 5/8$681
Wed 5/228:52 amTYS - IDA
1 stop6h 42mUnited Airlines
Fri 5/312:30 pmIDA - TYS
1 stop6h 00mUnited Airlines
Deal found 5/8$728
Wed 5/228:52 amTYS - IDA
1 stop6h 42mUnited Airlines
Fri 5/317:10 amIDA - TYS
2 stops13h 51mUnited Airlines
Deal found 5/8$747
Wed 5/229:05 amTYS - IDA
2 stops14h 02mUnited Airlines
Fri 5/317:10 amIDA - TYS
2 stops13h 51mUnited Airlines
Deal found 5/8$811

Knoxville to Idaho Falls 2024 flight deals

Discover exclusive flight deals for travel between Knoxville and Idaho Falls in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,749,864 searches. Data last updated May 9, 2024.
Scroll through some of the best deals on flights from Knoxville to Idaho Falls in 2024. For more flight deals, be sure to check back very soon.
Thu 6/136:00 amTYS - IDA
1 stop9h 13mAmerican Airlines
Sun 6/161:43 pmIDA - TYS
1 stop8h 41mAmerican Airlines
Deal found 5/8$561
Thu 6/1312:44 pmTYS - IDA
2 stops10h 59mAmerican Airlines
Sun 6/161:43 pmIDA - TYS
1 stop6h 12mAmerican Airlines
Deal found 5/8$564
Thu 6/1312:44 pmTYS - IDA
2 stops10h 59mAmerican Airlines
Sun 6/166:32 amIDA - TYS
2 stops15h 27mAmerican Airlines
Deal found 5/8$569
Wed 5/227:00 amTYS - IDA
2 stops16h 07mUnited Airlines
Wed 5/297:10 amIDA - TYS
1 stop6h 31mUnited Airlines
Deal found 5/8$620
Wed 5/228:52 amTYS - IDA
1 stop6h 42mUnited Airlines
Wed 5/2910:45 amIDA - TYS
1 stop9h 45mUnited Airlines
Deal found 5/8$652
Fri 6/215:12 amTYS - IDA
2 stops10h 01mAmerican Airlines
Mon 6/246:32 amIDA - TYS
2 stops10h 28mAmerican Airlines
Deal found 5/8$681
Fri 8/24:45 pmTYS - IDA
1 stop18h 50mUnited Airlines
Sun 8/45:58 pmIDA - TYS
1 stop26h 32mUnited Airlines
Deal found 5/8$724
Wed 5/228:52 amTYS - IDA
1 stop6h 42mUnited Airlines
Fri 5/312:30 pmIDA - TYS
1 stop6h 00mUnited Airlines
Deal found 5/8$728
Wed 5/228:52 amTYS - IDA
1 stop6h 42mUnited Airlines
Fri 5/317:10 amIDA - TYS
2 stops13h 51mUnited Airlines
Deal found 5/8$747

One-way flights to Idaho Falls from Knoxville

Search for one-way flight options from Knoxville to Idaho Falls. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,749,864 searches. Data last updated May 9, 2024.
Take a look at some of the best available options we've come across on one-way flights from Knoxville to Idaho Falls. Those needing a return flight from Knoxville to Idaho Falls can use the search form above.
Fri 6/216:00 amTYS - IDA
1 stop9h 13mAmerican Airlines
Deal found 5/8$406
Fri 6/215:12 amTYS - IDA
2 stops10h 01mAmerican Airlines
Deal found 5/8$410

Find flights from Knoxville to Idaho Falls within your budget

Customize your flight search to find flights from Knoxville to Idaho Falls 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, Cheapflights users made 2,749,864 searches. Data last updated May 9, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$561 - $861

Route

Depart

Return

Price

Knoxville McGhee TysonIdaho Falls Fanning Field

TYS - IDA

TYSIDA

Knoxville McGhee Tyson

Thu 6/13

1 stop9h 13m

Idaho Falls Fanning Field

Sun 6/16

1 stop8h 41m

$561

Knoxville McGhee TysonIdaho Falls Fanning Field

TYS - IDA

TYSIDA

Knoxville McGhee Tyson

Thu 6/13

2 stops10h 59m

Idaho Falls Fanning Field

Sun 6/16

1 stop6h 12m

$564

Knoxville McGhee TysonIdaho Falls Fanning Field

TYS - IDA

TYSIDA

Knoxville McGhee Tyson

Thu 6/13

2 stops10h 59m

Idaho Falls Fanning Field

Sun 6/16

2 stops15h 27m

$569

Knoxville McGhee TysonIdaho Falls Fanning Field

TYS - IDA

TYSIDA

Knoxville McGhee Tyson

Wed 5/22

2 stops16h 07m

Idaho Falls Fanning Field

Wed 5/29

1 stop6h 31m

$620

Knoxville McGhee TysonIdaho Falls Fanning Field

TYS - IDA

TYSIDA

Knoxville McGhee Tyson

Wed 5/22

1 stop6h 42m

Idaho Falls Fanning Field

Wed 5/29

1 stop9h 45m

$652

Knoxville McGhee TysonIdaho Falls Fanning Field

TYS - IDA

TYSIDA

Knoxville McGhee Tyson

Fri 6/21

2 stops10h 01m

Idaho Falls Fanning Field

Mon 6/24

2 stops10h 28m

$681

Knoxville McGhee TysonIdaho Falls Fanning Field

TYS - IDA

TYSIDA

Knoxville McGhee Tyson

Fri 8/2

1 stop18h 50m

Idaho Falls Fanning Field

Sun 8/4

1 stop26h 32m

$724

Knoxville McGhee TysonIdaho Falls Fanning Field

TYS - IDA

TYSIDA

Knoxville McGhee Tyson

Wed 5/22

1 stop6h 42m

Idaho Falls Fanning Field

Fri 5/31

1 stop6h 00m

$728

Knoxville McGhee TysonIdaho Falls Fanning Field

TYS - IDA

TYSIDA

Knoxville McGhee Tyson

Wed 5/22

2 stops11h 22m

Idaho Falls Fanning Field

Wed 5/29

2 stops14h 20m

$861

Flights are sorted by cheapest first

Deals found on 5/8

When is the cheapest time to fly from Knoxville to Idaho Falls?

Use this chart to determine the cheapest time to fly round-trip from Knoxville to Idaho Falls. Price data was last updated on May 5, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Knoxville to Idaho Falls flight should consider departing on Friday mornings when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
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Average price of flights to Idaho Falls by month

Plan your trip from Knoxville to Idaho Falls by taking into account the cheapest months to travel. The average price of a one-way flight from Knoxville to Idaho Falls is currently $408 while a round-trip flight costs $662. Price data was last updated on May 5, 2024.

Currently, December is the cheapest month in which you can book a flight from Knoxville to Idaho Falls (average of $397). Flying from Knoxville to Idaho Falls in June is currently the most expensive (average of $622). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

January

$469

February

$441

March

$535

April

$467

May

$495

June

$622

July

$616

August

$554

September

$526

October

$484

November

$456

December

$397

Temperature and rainfall in Idaho Falls by month

Plan your trip to Idaho Falls by taking into account the average temperature and rainfall totals by month.

IDA

Temperature

23 - 69.8 °F

Reviews of airlines servicing Idaho Falls

Get insights into the airlines that provide service to Idaho Falls. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Idaho Falls. Reviews last updated May 9, 2024.
To help decide which airline to fly from Knoxville to Idaho Falls, see what other customers have to say about United Airlines and American Airlines. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.1
Very good
9,140 reviews
Check prices

Comfort

7.9

Crew

8.6

Food

7.3

Overall

8.1

Entertainment

7.3

Boarding

8.2

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Alaska Airlines
8.1
Very good
9,140 reviews
Alaska Airlines
8.1
Very good
9,140 reviews
Check prices

Comfort

7.9

Crew

8.6

Food

7.3

Overall

8.1

Entertainment

7.3

Boarding

8.2

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

United Airlines
7.4
Good
11,030 reviews
Alaska Airlines
8.1
Very good
9,140 reviews
Check prices

Comfort

7.9

Crew

8.6

Food

7.3

Overall

8.1

Entertainment

7.3

Boarding

8.2

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

American Airlines
7.3
Good
14,667 reviews
Alaska Airlines
8.1
Very good
9,140 reviews
Check prices

Comfort

7.9

Crew

8.6

Food

7.3

Overall

8.1

Entertainment

7.3

Boarding

8.2

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Related info for your journey

Find useful and relevant information for your journey from Knoxville to Idaho Falls. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find flights from Knoxville to Idaho Falls for under $600 on Cheapflights?

    Yes, there are multiple flights from Knoxville to Idaho Falls for under $600. The cheapest flight booked recently is on American Airlines for just $561, but on average you can expect to pay $741.

  • What are the cheapest airlines flying from Knoxville to Idaho Falls round-trip?

    Currently priced at $561, American Airlines will fly you from Knoxville to Idaho Falls and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and Alaska Airlines - these airlines can fly you to your destination from $620 and $861, respectively. You may be able to fly from Knoxville to Idaho Falls for 38% less than the average price by searching for these airlines.

  • What does TYS to IDA mean?

    Great question - TYS to IDA just means Knoxville McGhee Tyson Airport to Idaho Falls Fanning Field Airport. Now you’ll know what these unique codes when you look for flights!

  • Can I find deals for flights from Knoxville to Idaho Falls that include extra baggage allowance?

    The amount of baggage you can bring on your Knoxville to Idaho Falls flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Knoxville to Idaho Falls with specific airlines?

    Yes, Cheapflights allows you to browse and filter Knoxville to Idaho Falls flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Knoxville to Idaho Falls that include hotel bookings?

    Yes. In addition to deals on Knoxville to Idaho Falls flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Knoxville to Idaho Falls?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Knoxville to Idaho Falls.

  • Can I find deals for business class flights from Knoxville to Idaho Falls?

    Yes. Cheapflights offers flight deals from Knoxville to Idaho Falls by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Knoxville to Idaho Falls that allow pets onboard?

    Many airlines flying from Knoxville to Idaho Falls offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Knoxville to Idaho Falls?

    Yes, you can often find last-minute deals on Knoxville to Idaho Falls flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Knoxville to Idaho Falls flight deals updated?

    The Knoxville to Idaho Falls flight deals you see on this page were last updated on 5/8.

See more FAQs

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Top 2 airlines flying from Knoxville to Idaho Falls

Discover the top 2 airlines that operate flights from Knoxville to Idaho Falls. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,749,864 searches. Data last updated May 9, 2024.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$537Average$1,046FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapest$539Average$802FlexibilityNo cancel feeOn-time71%
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Search flights from Knoxville to Idaho Falls by cabin class

Find flights from Knoxville to Idaho Falls, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Business Class
Prem Econ Class
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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Knoxville to Idaho Falls?

Cheapflights makes it easy to find Knoxville to Idaho Falls flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Knoxville to Idaho Falls?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Idaho Falls from Knoxville.

Can Cheapflights find flights from Knoxville to Idaho Falls with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Knoxville to Idaho Falls, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Knoxville to Idaho Falls become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Idaho Falls from Knoxville today and book when prices fit your budget.

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