Cheap flights from Knoxville to District of Columbia from $43
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 District of Columbia departing on 8/29. 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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Allegiant Air flights from Knoxville to District of Columbia
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United Airlines flights from Knoxville to District of Columbia
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How to get the cheapest flight ticket from Knoxville to District of Columbia
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 District of Columbia?
In general, July is the cheapest month to fly from Knoxville to District of Columbia. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $246. If you don’t want to visit District of Columbia in July, then you should wait until May to fly from Knoxville, when ticket prices are also cheap, with an average price of $249.
What is the cheapest day to depart on your flight to District of Columbia?
The cheapest day to depart on your flight to District of Columbia is on a Thursday when prices can be found for as low as $467. This is often the case because there is less demand to fly during this day of the week. On the other hand, Monday is the most expensive day to depart from Knoxville because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $816.
What is the cheapest time of day to depart on your flight to District of Columbia?
Flying to District of Columbia from Knoxville in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $322 when looking at flights departing in the afternoon. Flights to District of Columbia are more costly at noon, with an average ticket price of $1,029. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.
What is the cheapest Knoxville McGhee Tyson to District of Columbia flight route?
Fly from Knoxville McGhee Tyson to Washington, D.C. Dulles Intl for the best Knoxville McGhee Tyson - District of Columbia flight prices
How far in advance should I book a flight to District of Columbia?
You are more likely to see cheaper flights to District of Columbia from Knoxville when booking weeks ahead of your departure date. In general, you can expect to find flights to District of Columbia for around $330 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to District of Columbia from Knoxville for as low as $224 on momondo.
What cabin class options are available on Knoxville McGhee Tyson to District of Columbia flights?
There are 4 cabin classes available to choose from on Knoxville McGhee Tyson to District of Columbia flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Knoxville McGhee Tyson to District of Columbia?
Allegiant Air, United Airlines, and Delta are the most popular carriers operating from Knoxville McGhee Tyson to District of Columbia
What airlines fly to District of Columbia?
American Airlines, Delta and United Airlines are the top three most popular airlines that fly to District of Columbia from Knoxville according to our data. American Airlines is the first choice among our users, with 68% of people opting to fly with this airline when traveling to District of Columbia. Keep in mind that there are 4 different airlines that fly to District of Columbia on a routine basis, so you have a few additional options to choose from.
How many flights depart from Knoxville to District of Columbia on average per day?
As of July 2025, there are 23 flights per day flying from Knoxville to District of Columbia. The most common time of day flights depart is 5:00AM, with 30% of flights taking off at noon.
How many flights depart from Knoxville to District of Columbia on average per week?
As of July 2025, 165 flights take off from Knoxville and land in District of Columbia each week. The most common flight departure day for this route is Mon, with 15% of weekly flights taking off on this day.
Cheap Knoxville to District of Columbia flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Knoxville to District of Columbia
Best Price Found | $43 |
|---|---|
Fastest flight time | 1h 35m |
Direct flights | Every day |
Airports in District of Columbia | 2 airports |
When did momondo last update prices for flights from Knoxville McGhee Tyson Airport to District of Columbia?
Prices for flights from Knoxville McGhee Tyson Airport to District of Columbia are updated daily.
How many operators does momondo search for flights from Knoxville McGhee Tyson Airport to District of Columbia?
The number of operators available for flights from Knoxville McGhee Tyson Airport to District of Columbia is 3 as of July 2025.
How old do you have to be to fly from Knoxville McGhee Tyson Airport to District of Columbia?
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 District of Columbia.
What documentation or ID do you need to fly to District of Columbia?
The travel and health documents required for your trip to District of Columbia 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 District of Columbia. 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 District of Columbia?
momondo data reveals that the most frequently booked plane model on the route from Knoxville to District of Columbia is Embraer ERJ-135 / ERJ-140 / ERJ-145, representing 26.41% of all bookings. The subsequent popular models are Canadair (Bombardier) Regional Jet 700 at 21.13%, Embraer 175 at 17.91%, and Canadair (Bombardier) Regional Jet 900 at 12.86%.
Best airlines flying from Knoxville to District of Columbia
Compare and see reviews for airlines that fly from Knoxville to District of Columbia with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $189 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $200 | Free Cancellation | Rating 8.0 7,963 reviews | |||
| PriceFrom $220 | Free Cancellation | Rating 7.4 8,846 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Knoxville to District of Columbia?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Knoxville to District of Columbia. Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from Knoxville to District of Columbia with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for Knoxville to District of Columbia flights to just show those with flexible booking policies.
How can momondo help me find flights from Knoxville to District of Columbia?
Once you have performed a search for Knoxville to District of Columbia flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from Knoxville to District of Columbia right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Knoxville to District of Columbia now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to District of Columbia and let you know when they change.