Cheap flights from Knoxville to Washington, D.C. from $116
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 Washington, D.C. departing on 8/2. 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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American Airlines flights from Knoxville to Washington, D.C. Reagan-National Airport
Our best American Airlines deals on Knoxville to Washington, D.C. Reagan-National Airport flight tickets
Delta flights from Knoxville to Washington, D.C. Reagan-National Airport
Our best Delta deals on Knoxville to Washington, D.C. Reagan-National Airport flight tickets
See travel insights to Washington, D.C. from
How to get the cheapest flight ticket from Knoxville to Washington, D.C. Reagan-National Airport
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 Washington, D.C. Reagan-National Airport?
The month of November is, on average, the cheapest month to fly to Washington, D.C. Reagan-National Airport from Knoxville, with most prices found around $253. If you aren’t able to travel to Washington, D.C. Reagan-National Airport during the month of November, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $259.
What is the cheapest day to depart on your flight to Washington, D.C. Reagan-National Airport?
The cheapest day to depart from Knoxville to Washington, D.C. Reagan-National Airport is on a Wednesday. Travelers who choose to depart for Washington, D.C. Reagan-National Airport on a Wednesday will often find tickets for as low as $307. Flights from Knoxville to Washington, D.C. Reagan-National Airport on a Monday will generally be more expensive and average around $461. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.
What is the cheapest time of day to depart on your flight to Washington, D.C. Reagan-National Airport?
Our data shows that the cheapest Knoxville to Washington, D.C. Reagan-National Airport flights are usually those with departure times in the afternoon. Our users have found flights to Washington, D.C. Reagan-National Airport in the afternoon for as low as $307. In contrast, the most expensive time of day to depart to Washington, D.C. Reagan-National Airport is in the morning when prices are around $354.
What is the cheapest Knoxville McGhee Tyson to Washington, D.C. Reagan-National flight route?
Fly from Knoxville McGhee Tyson to Washington, D.C. Reagan-National for the best Knoxville McGhee Tyson - Washington, D.C. Reagan-National flight prices
How far in advance should I book a flight to Washington, D.C. Reagan-National Airport?
You are more likely to see cheaper flights to Washington, D.C. Reagan-National Airport from Knoxville when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Reagan-National Airport for around $312 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Reagan-National Airport from Knoxville for as low as $236 on momondo.
What cabin class options are available on Knoxville McGhee Tyson to Washington, D.C. Reagan-National flights?
There are 3 cabin classes available to choose from on Knoxville McGhee Tyson to Washington, D.C. Reagan-National flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
How many flights depart from Knoxville to Washington, D.C. Reagan-National Airport on average per day?
As of July 2025, 1 flights take off from Knoxville and land in Washington, D.C. Reagan-National Airport each day. The most common flight departure time for this route is 11:00AM, with 75% of daily flights taking off at noon.
How many flights depart from Knoxville to Washington, D.C. Reagan-National Airport on average per week?
As of July 2025, there are 7 flights per week flying from Knoxville to Washington, D.C. Reagan-National Airport. The most common day of the week flights depart is Thu, with 57% of flights taking off on this day.
When to book flights from Knoxville to Washington, D.C. Reagan-National Airport
Cheap Knoxville to Washington, D.C. Reagan-National Airport (TYS to DCA) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Knoxville to Washington, D.C. Reagan-National Airport
How far is Knoxville McGhee Tyson to Washington, D.C. Reagan-National by plane?
Washington, D.C. Reagan-National is 426.9 mi away from Knoxville McGhee Tyson. Flights usually cover this in 1h 31m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Knoxville McGhee Tyson Airport to Washington, D.C. Reagan-National Airport?
Prices for flights from Knoxville McGhee Tyson Airport to Washington, D.C. Reagan-National Airport are updated daily.
How many operators does momondo search for flights from Knoxville McGhee Tyson Airport to Washington, D.C. Reagan-National Airport?
The number of operators available for flights from Knoxville McGhee Tyson Airport to Washington, D.C. Reagan-National Airport is 1 as of July 2025.
How old do you have to be to fly from Knoxville McGhee Tyson Airport to Washington, D.C. Reagan-National 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 Washington, D.C. Reagan-National Airport.
What documentation or ID do you need to fly to Washington, D.C. Reagan-National Airport?
The travel and health documents you'll need for your trip to Washington, D.C. Reagan-National Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington, D.C. Reagan-National Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Knoxville to Washington, D.C. Reagan-National Airport?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Knoxville to Washington, D.C. Reagan-National Airport is Canadair (Bombardier) Regional Jet 700 (25.38% of total bookings). The next most popular plane models are Embraer 175 (20.45%), Embraer ERJ-135 / ERJ-140 / ERJ-145 (19.32%), and Canadair (Bombardier) Regional Jet 900 (17.61%).
What is the most popular airline from Knoxville to Washington, D.C. Reagan-National Airport?
Based on momondo bookings for flights between Knoxville and Washington, D.C. Reagan-National Airport, the leading airline is American Airlines, making up 100% of the total bookings.
Best airlines flying from Knoxville to Washington, D.C. Reagan-National Airport
Compare and see reviews for airlines that fly from Knoxville to Washington, D.C. Reagan-National Airport with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $189 | Free Cancellation | Rating 7.2 10,000 reviews |
American Airlines Flights From Knoxville to Washington, D.C. Reagan-National Airport
American Airlines flight deals from Knoxville to Washington, D.C. Reagan-National Airport start from $189 round-trip. Over the 5 American Airlines flights for this route in a normal week, average airfare is usually $293 round-trip - but some users have found much cheaper deals with momondo.
Traveling to a place near Washington, D.C.?
Book flights to Washington, D.C. if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Knoxville to Washington, D.C.?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Washington, D.C. from Knoxville.
Can I find flights from Knoxville to Washington, D.C. with flexible booking policies on momondo?
Yes. All flights to Washington, D.C. from Knoxville on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from Knoxville to Washington, D.C.?
Once you have performed a search for Knoxville to Washington, D.C. 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 Washington, D.C. right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Knoxville to Washington, D.C. now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Washington, D.C. and let you know when they change.