Question 1

What are the cheapest airlines flying from Knoxville to Dallas round-trip?

Accepted Answer

Frontier, at $101, was found to be the cheapest airline from Knoxville to Dallas.Alternate airlines to your destination round-trip include Southwest and United Airlines. These flights start at 72% lower than the current average price 3 months from now.

Question 2

What are the cheapest airlines to fly from Knoxville to Dallas one-way?

Accepted Answer

$119 is the cheapest one-way deal found within the past few days, from Southwest. You may also be able to find cheap deals on United Airlines and Delta, with prices starting from $133 and $136, respectively.

Question 3

How far ahead should I book a flight from Knoxville to Dallas?

Accepted Answer

The price you pay for your flight from Knoxville to Dallas may vary depending on when you book. For the best chance of a lower fare, look to book 78 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Question 4

What is the cheapest month to book a flight from Knoxville to Dallas?

Accepted Answer

Currently, August is the cheapest month in which you can book a flight from Knoxville to Dallas (average of $287). Flying from Knoxville to Dallas in December is currently the most expensive (average of $472). 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.

Question 5

What is the cheapest day to fly from Knoxville to Dallas?

Accepted Answer

Travelers seeking maximum savings on their Knoxville to Dallas flight should consider departing on Thursday afternoons when fares are most often at their lowest. Wednesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Question 6

Weekly flight availability from Knoxville to Dallas

Accepted Answer

The most flights from TYS to A78 are scheduled on a Thursday (20 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (9 on average).

Question 7

E

Accepted Answer

In terms of precipitation, rainfall in Dallas ranges from 1.9 - 4.9 inches per month. May is typically the wettest month, when rainfall can reach 4.9 in. August is typically the driest time to visit Dallas when rainfall is around 1.9 in.

Question 8

E

Accepted Answer

If weather is an important factor for your trip to Dallas, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 86.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 46.4 F).

Question 9

What are the cheapest flights from Knoxville to Dallas?

Accepted Answer

Looking for the cheapest flight from Knoxville to Dallas? While on average our users pay $1,258, our data indicates the cheapest price to be $181. The most popular route (Knoxville McGhee Tyson - Dallas/Fort Worth), is priced around $245.

Question 10

What are the most reliable airlines from Knoxville to Dallas?

Accepted Answer

Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Knoxville to Dallas on time: Japan Airlines (93%), Finnair (92%), PSA Airlines (84%).

Question 11

What are the most popular airlines that fly from Knoxville to Dallas?

Accepted Answer

Before booking your flight from Knoxville to Dallas check out the most popular airlines for this route: American Airlines, Southwest or United Airlines.

Question 12

What is the cheapest time of day to fly from TYS to DFW?

Accepted Answer

It’s optimal to fly from Knoxville to Dallas in the afternoon. By choosing this option you can save up to 24% on the cost of your flight, compared to a flight in the evening.

Question 13

What airport do you fly from for flights from Knoxville to Dallas?

Accepted Answer

Knoxville McGhee Tyson (TYS) is the airport you will fly out of if you book a flight from Knoxville to Dallas. You should not have trouble finding flights to Dallas from McGhee Tyson; the airport handles an average of 15 outbound flights to Dallas per day. You should also have plenty of airline options to choose from since 5 airlines have flights from the Knoxville airport to Dallas. It is only a 11.3 mi journey to McGhee Tyson (TYS) from Knoxville’s city center.

Question 14

Can I find deals for flights from Knoxville to Dallas that include hotel bookings?

Accepted Answer

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

Question 15

How can I find direct flights from Knoxville to Dallas?

Accepted Answer

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

Question 16

Can I find deals for business class flights from Knoxville to Dallas?

Accepted Answer

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

Popular in	December
Cheapest in	August
Average price	$304

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$101	Average$197	FlexibilityNo cancel fee	On-time62%
Southwest	Cheapest$229	Average$334	FlexibilityNo cancel fee	On-time63%
United Airlines	Cheapest$240	Average$417	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$241	Average$446	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$294	Average$551	FlexibilityNo cancel fee	On-timeN/A

Cheap flights from Knoxville (TYS) to Dallas

Find cheap flights from Knoxville to Dallas with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Find flight deals from Knoxville to Dallas

Popular in

Cheapest in

Average price

Best time to book a flight from Knoxville to Dallas

Have a flexible travel schedule? Discover the best time to fly to Dallas from Knoxville with our price prediction graph.

Cheapflights Insights

How far ahead should I book a flight from Knoxville to Dallas?

The price you pay for your flight from Knoxville to Dallas may vary depending on when you book. For the best chance of a lower fare, look to book 78 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Knoxville to Dallas?

What is the cheapest time of day to fly from TYS to DFW?

It’s optimal to fly from Knoxville to Dallas in the afternoon. By choosing this option you can save up to 24% on the cost of your flight, compared to a flight in the evening.

What is the cheapest day to fly from Knoxville to Dallas?

Travelers seeking maximum savings on their Knoxville to Dallas flight should consider departing on Thursday afternoons when fares are most often at their lowest. Wednesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Knoxville to Dallas

The most flights from TYS to A78 are scheduled on a Thursday (20 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (9 on average).

Reviews of airlines servicing Dallas

Get a feel of what it's like to fly with Southwest,Delta, andUnited Airlines from Knoxville to Dallas by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

What airport do you fly from for flights from Knoxville to Dallas?

What are the cheapest airlines flying from Knoxville to Dallas round-trip?

What are the cheapest airlines to fly from Knoxville to Dallas one-way?

What are the most reliable airlines from Knoxville to Dallas?

What are the cheapest flights from Knoxville to Dallas?

Can I find deals for flights from Knoxville to Dallas that include hotel bookings?

How can I find direct flights from Knoxville to Dallas?

Can I find deals for business class flights from Knoxville to Dallas?

What is the cheapest month to book a flight from Knoxville to Dallas?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Knoxville to Dallas

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Dallas by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Knoxville to Dallas by cabin class

Find flights from Knoxville to Dallas, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Knoxville and Dallas flights

Browse other Knoxville and Dallas flight options. Last updated on September 25, 2026.

Other flights from Knoxville

Browse through other flights departing from Knoxville. Flights are based on user searches made on Cheapflights and were last updated on September 25, 2026.

Popular flight searches

Check out other popular destinations found by fellow travelers in 2026

Top 5 airlines flying from Knoxville to Dallas

100% Free

Book with Flexibility

Travel Smart