$40 Find Cheap Flights from Tennessee to District of Columbia

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Low seasonFebruary
High seasonOctober
Cheapest flight$40
Best time to beat the crowds with an average 0% drop in price.
Most popular time to fly with an average 1% increase in price.
Flight from Knoxville to Washington Dulles Airport

FAQs for booking flights from Tennessee to District of Columbia

  • How does KAYAK find such low prices on flights from Tennessee to District of Columbia?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Tennessee to District of Columbia.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Tennessee to District of Columbia?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Tennessee to District of Columbia is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Tennessee to District of Columbia?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Tennessee to District of Columbia with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Tennessee to District of Columbia?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Tennessee to District of Columbia up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • Which is the cheapest airport to fly into in District of Columbia?

    Prices will differ depending on the departure airport, but generally, the cheapest airport to fly to in District of Columbia is Baltimore/Washington Airport (BWI), with an average flight price of $216.

  • What is the cheapest day to fly to District of Columbia?

    Based on KAYAK data, the cheapest day to fly to District of Columbia is Friday where round-trip tickets can be as cheap as $358. On the other hand, the most expensive day to fly is Tuesday, where round-trip prices are $692 on average.

  • What is the cheapest time of day to fly to District of Columbia?

    The cheapest time of day to fly to District of Columbia is generally at night, when round-trip flights cost $250 on average. Morning departures are around 53% cheaper than evening flights, on average. The most expensive time of day to fly to District of Columbia is generally in the afternoon, which is peak travel time and where the average cost of a ticket is $971.

  • What is the cheapest flight to District of Columbia?

    The cheapest ticket to District of Columbia from Tennessee found in the last 72 hours was to Baltimore, at $63 round-trip. The most popular route is Nashville (BNA) to Baltimore (BWI) and the cheapest round-trip airline ticket found on this route in the last 72 hours was $63.

  • What is the cheapest month to fly from Tennessee to District of Columbia?

    The cheapest month for flights from Tennessee to District of Columbia is January, when tickets cost $283 (return) on average. On the other hand, the most expensive months are October and July, when the average cost of round-trip tickets is $380 and $351 respectively.

  • How far in advance should I book a flight from Tennessee to District of Columbia?

    To get a below average price on the flight from Tennessee to District of Columbia, you should book around 3 weeks before departure. For the absolute cheapest price, our data suggests you should book 5 weeks before departure.

  • How long is the flight to District of Columbia?

    An average nonstop flight from Tennessee to District of Columbia takes 2h 42m, covering a distance of 514 miles. The shortest route is Knoxville (TYS) to Washington, D.C. Dulles Intl Airport (IAD) with an average flight time of 1h 35m.

  • What is the most popular destination in District of Columbia?

    Based on KAYAK flight searches, the most popular destination is Washington, D.C. (100% of total searches to District of Columbia).

Top 5 airlines serving from Tennessee to District of Columbia

 
Need help choosing which airline to fly with from Tennessee to District of Columbia? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.0
SouthwestOverall score based on 4287 reviews
7.6Entertainment
7.1Food
8.2Boarding
8.0Comfort
8.6Crew
Airline reviews

Southwest is typically delayed, and it gets wearisome. It is no longer a discount airline and you get way less than you pay for when it comes to comfort and Ce.

6.0 GoodDavid, Jun 2025BWI - COS
Read more Southwest reviews

Southwest is typically delayed, and it gets wearisome. It is no longer a discount airline and you get way less than you pay for when it comes to comfort and Ce.

We sat on the plane on the tarmac for 4 hours.

I'm not a fan of Southwest's model. I don't like the herding style of boarding.

Flight crew and cabin crew were great. I had to rearrange flights because my original flight was 3hrs delayed for weather, the rub is the flight I moved to boarded on time then we sat at the gate for 2 hours because scheduling stole our first officer for another flight, TWICE. Then our actual FO was an hour delayed. To make it worse my original flight went from a 3 hour delay to departing 15min EARLY. Just poor scheduling operations all around.

Bring back peanuts Take our drink orders when were all seated, especially after you switch to assigned seating.

Staff was far less than helpful at all times. Departure and arrival times mean nothing to Southwest. Extremely disappointed, will never fly with them again, and I’ll be sure to share my experience with all.

It is southwest seat was ok. Not the most comfortable seat

I’ve always loved Southwest. No issues at all. I was flying standby and the gate agent was extremely friendly and helpful. Boarding was smooth and I was able to get a window seat in the emergency exit row. Crew was fantastic! They were very professional and accommodating. We had to divert from our destination due to weather but the flight crew kept everyone at ease and informed us of all pertinent information. Excellent flight

The price of the tickets isn't matching the flight experience. No matter how long the flight is, you're only getting pretzels. The flight attendants looked unkept and over it.

Plz don't take away free bags and free seating

Great service. Flight was delayed while we sat on the runway for a couple of hours. Weather related. Staff made is very bearable. The steward servicing the first class cabin was exceptional. Thank you! 💗

5 hours of delay that could've been much shorter if Delta had taken the 1 hour delay they imposed on the flight before boarding to run any of the plane checks required for flight to find the hydraulic issue that required nearly 3 hours to fix. $24 of meal credit buys a sandwich and a soft drink. Poor communication within the terminal about what gate we'd be re-boarding from and when we'd be re-boarding.

Amazing flight! I have never noticed the uniforms of the attendants before in twenty years of flying except today when one female had the most amazing dress on. It was beautifully designed and showed she was in charge. I never dreamed I would google who designed Delta uniforms . The ultimate compliment is when another woman admires your outfit. . I hope your designer puts it on the market

It would be nice if was given wires ear buds. Overall was a good experience was able to sleep on the plane

My flight was 6 pm 6/6. Every hour they delayed it again - air condition issues then no pilot then the crew had worked too many hours and cancelled the flight at 11 pm. Sent customers to NJ a 45 minutes uber ride to a hotel. Had to be back by 5 am for a 7 am flight and again no pilot etc with another three hours of delays.

The entertainment and wifi mostly didn't work on this flight.

Terrible entertainment system - kept freezing and audio kept cutting out. Snacks were mediocre at best for a 5 hour flight.

The check in and bag drop off for Sky Priority members is slow. The Clear security was also slow - a TSA issue.

I am still upset that my bag was lost on a recent trip to Rome ; we were inconvenienced and out €150 Euros ; delta has refused to reimburse us

I am very bothered by the events today. I can't believe the flight attendants allowed someone to take my seat and made me move. It was embarrassing. I was in the right. The lady just didn't want move. I can't believe delta would allow this to stand and disrespect my rights as a passenger. The lady complained about her leg and that she couldn't move. Firstly somehow she was able to make it to row 24. Not sure how much her leg could have hurt. Secondly, I'm in plenty of pain myself. I just finished chemotherapy a several weeks ago. My body is constantly sore. Yet deltas flight attendants didn't appropriately protect my rights. In the end they found me a seat on the plane but I want to understand how delta can operate this way. They in essence allowed a bully to get their way.

Turbulent taking off & landing to Dulles from Raleigh. Flight from Dulles to Tokyo very good!!

Very nice and clean plane. Transit time between flights was tight though

Mostly the experience was good except for the flight changes made by UA which meant longer layover in DC

Terrible. First of all we were delayed 4 3/4 hours departing Honolulu. As we had to leave our condo and the rental car had to be returned we had to go to the airport. Even though we had a business class boarding pass to Washington, since we did not have business class to Montreal we could not access the lounge without paying a $59 fee each. This does not make sense to us. Since we could not meet our original connection United booked us to Montreal via New York LaGuardia on Air Canada. In Washington a further delay got us into LaGuardia too late to make our connection to Montreal so we were booked on another Air Canada flight 3 hours later. We were originally scheduled to arrive in Montreal at 10:40 and arrived at 19:55. A totally exhausting day, United did not offer a meal voucher or any type of compensation. Air Canada did give us a digital meal voucher. The food in United business class is poor among all meals offered. The pods look nice but are not that confortable. Overall would not fly on United again.

Change cabin crew assisting business class. Not taking care, ignoring requests and calls. Never had such an experience in business class.

United left one of our bags back in SFO but that’s not my real complaint. The complaint is how it all went down. So we checked in the day before online and were told we could use the quick drop for luggage. So the next day I used baggage quick drop curbside at SFO. The agent mistakenly didn't tag my bag as he put my bag on the conveyor belt untagged. We immediately alerted him he had not tagged the bag. I walked with him to the baggage service office to find my bag and tag it. We waited outside the office for 10 mins. He came out and said everything was ok and the bag was going to be tagged and on my flight. We received a text that one of our bags was on the flight but the other was not. I alerted my first class flight attendant immediately upon boarding the flight. She was helpful and said she’d get it sorted out right away. She called over the gate agent. The gate agent used my bag number and looked over information on her device. She said my bag was on the flight. The flight attendant was standing with her, looking at the device, and also said “yep it’s on the flight”. During the flight the flight attendant made reference to how reassuring it must feel knowing the bag was on the flight. Upon arriving to IAD we received a text that my bag was not on my flight. The text said my bag would arrive to my final destination LIS 24 hrs late. I understand that mistakes happen. I was totally ok with my bag mistakenly not getting tagged at the quick drop. I was fine with walking down to baggage services to tag my bag. But, what I am not ok with is that the United staff said they fixed the mistake two different times, assuring me twice that my bag would be/was on the plane…and it wasn’t. I expected better attention by the employees, for them to do what they said they were going to do. We also spent extra money to upgrade our seats to first class, including the entire return leg from Lisbon to San Francisco because we wanted a smoother and more relaxing travel experience. Our money was not well spent. We will not be using United for travel going forward.

The flight was delayed, it took longer than anticipated because of weather, and they broke my luggage.

Horrifying! And I am almost 2 million miles with United. Late by 3 1/2 hours. Worst: after two hours on the plane waiting, they decided that one of the tires had been damaged and then decided to change it. Another hour and a half to change the tire!!!!! NO EXCUSE FOR THIS. The crew didn't even offer a glass of water until we had been on the plane for FIVE hours. This is the worst airline in the world. I'm simply stuck because they fly on the only routes I need.

The planes are so dirty! Food crumbs and finger print smudges, Dust over the vents and carpet stains. It’s disgusting.

Gate got changed about 4 times. Very confusing and very crowded. If you don’t have wifi to help get updates, you can be in deep trouble.

Tight! Seats are not designed for those of us who wear extra-large clothes.

The non-stop flight from Grand Rapids was excellent. I neither expected or needed a budget flight and Allegiant made the trip easy and for an affordable price, Arriving at the Mesa Airport (AZA) is a delight compared to the international airport. For our return flight, we were able to arrive 75 minutes before the flight, return the rental car, check our bag and make it to the gate in plenty of time. That would never happen at most airports.

Easiest flights I’ve ever taken. Plane was comfortable without overly crowded seating.

Terrible. Still have not received the refund from them. They sent it to some account that I don't even know. Spoke with costumer service and they are unable to help.

I didn’t like it at all. I miss my second flight because of the delay on Allegiant Air now I m stuck in MCO.

Good, but a bit late on take off after loading. Don't like charging for carry ons!

First time flying with them and will definitely fly again in the future. Crew was so nice and friendly, fought was seamless. They are simple planes, no entertainment, but it’s fine for a short flight or if you have personal devices Rates are competitive, and they did so well with keeping the flight on time after a tropical storm, where other airlines had delays and cancellations.

They boarded passengers that sat in the back of the plane first, making boarding very efficient.

I didn't even take this flight. My plans changed and I couldn't get ahold of customer service and the website kept breaking down during the attempt to change the flight. I wound up taking another airline entirely and eating the cost.

The worst flying experience ever 3 delays. No accommodations. Had to deboard the plane after being delayed.

Weather delay for 2.5 hours followed by half hour crew delay, did not have ginger ale, uncomfortable seats

During service there was a garbage/beverage spill near our seats that never was cleaned up. On a relatively short flight when we’re fortunate enough to actually have in flight movies available, the flight attendants pitching the AADVANTAGE credit card shouldn’t talk for the last 10 minutes of the flight so that we miss the end of the movie.

Not sure the logic of the boarding in Groups. I was loaded first on the aisle. Then the guy in the middle. Then the guy by the window. Constantly holding up the other people boarding behind them with us blocking the aisle and this happened in most of the other rows

It was nobody’s fault - but the plane came 4-hrs late and we were updated randomly in 20-30 mins increments which left us hostage to sit and wait expectantly. It was very long and got very late. Our plane didn’t land until nearly 1 am! Also the toilet wasn’t working. The hosts were nice enough but were clearly “about to pass out” as one told me. Lastly, there was no snack or even time for it. Just a bad experience overall.

The boarding crew was incredibly helpful getting me on an earlier flight

I didn’t like anything, being platinum pro get you absolutely nowhere and does not increase the customer service treatment whatsoever anymore. My flight was canceled and they put me on a flight eight hours later that would’ve got me back in the middle of the night. They could’ve easily move me up to an hour Prior on an earlier flight. My second flight was unreasonable to take, the third flight was also canceled due to mechanical issues like the first flight. I don’t know what’s going on with American, but they are falling apart, after seven flight changes I finally got home, Unreasonable.

Great experience. Flight boarded easily. Departed early. Smooth flight. Great arrival in DC--almost no taxing! Almost direct to gate from runway. Crew was terrific. Same cookies and beverages in main cabin. I did not use the entertainment system on this flight.

Flight delayed on both ends - have a gate ready at DCA, don't make us sit for 30min after being late to take off as well.

AA can't control the weather. But the airplane was hot and stuffy while stuck on the runway with a broken entertainment system.

very bare bones flight no entertainment screen, download shows prior to boarding to watch on phone or tablet.

Book cheap flights from Tennessee to District of Columbia

Recent round-trip flight deals

7/19Sat
nonstopAllegiant Air
1h 48mBNA-IAD
7/20Sun
nonstopAllegiant Air
1h 49mIAD-BNA
$63
7/12Sat
nonstopAllegiant Air
1h 48mBNA-IAD
7/19Sat
nonstopAllegiant Air
1h 49mIAD-BNA
$68
7/24Thu
nonstopDelta
1h 55mBNA-DCA
7/27Sun
nonstopDelta
2h 02mDCA-BNA
$157
7/26Sat
nonstopAmerican Airlines
1h 51mBNA-DCA
8/2Sat
nonstopAmerican Airlines
2h 01mDCA-BNA
$158
8/25Mon
nonstopSouthwest
1h 55mBNA-DCA
8/26Tue
1 stopSouthwest
7h 40mDCA-BNA
$167
8/18Mon
nonstopDelta
1h 52mBNA-DCA
8/31Sun
nonstopDelta
2h 00mDCA-BNA
$168
8/25Mon
2 stopsSouthwest
7h 05mBNA-DCA
8/26Tue
nonstopSouthwest
1h 50mDCA-BNA
$172
7/4Fri
nonstopAmerican Airlines
1h 42mTYS-DCA
7/6Sun
nonstopAmerican Airlines
1h 56mDCA-TYS
$186
8/8Fri
nonstopUnited Airlines
1h 35mTYS-IAD
8/10Sun
nonstopUnited Airlines
1h 46mIAD-TYS
$189
7/20Sun
nonstopUnited Airlines
1h 45mBNA-IAD
7/22Tue
nonstopUnited Airlines
1h 55mIAD-BNA
$190

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Recent one-way flight deals

7/4Fri
nonstopAllegiant Air
1h 38mTYS-IAD
$40
6/26Thu
nonstopAllegiant Air
1h 42mBNA-IAD
$49
10/14Tue
nonstopAmerican Airlines
1h 50mBNA-DCA
$78
9/23Tue
nonstopDelta
1h 48mBNA-DCA
$79
7/22Tue
nonstopUnited Airlines
1h 47mBNA-IAD
$79
11/4Tue
1 stopSouthwest
3h 40mBNA-DCA
$84
8/13Wed
1 stopSouthwest
5h 00mBNA-DCA
$88
7/2Wed
nonstopAmerican Airlines
1h 42mTYS-DCA
$90
6/30Mon
nonstopUnited Airlines
1h 51mBNA-IAD
$90
8/19Tue
1 stopDelta
6h 01mMEM-IAD
$99

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Last minute flights from Tennessee to District of Columbia

Last minute flight, train and bus deals

6/14Sat
nonstopAllegiant Air
1h 42mBNA-IAD
6/15Sun
nonstopAllegiant Air
1h 47mIAD-BNA
$146
6/14Sat
nonstopAllegiant Air
1h 42mBNA-IAD
6/15Sun
nonstopAllegiant Air
1h 47mIAD-BNA
$151
6/13Fri
nonstopAmerican Airlines
1h 38mTYS-DCA
6/18Wed
nonstopAmerican Airlines
1h 55mDCA-TYS
$304
6/14Sat
nonstopAmerican Airlines
1h 39mTYS-DCA
6/17Tue
nonstopAmerican Airlines
1h 55mDCA-TYS
$306
6/13Fri
multi-stopDelta
3h 47mTYS-IAD
6/18Wed
multi-stopDelta
4h 19mIAD-TYS
$344
6/14Sat
multi-stopUnited Airlines
17h 53mBNA-IAD
6/15Sun
nonstopUnited Airlines
1h 59mIAD-BNA
$351
6/13Fri
nonstopUnited Airlines
1h 38mTYS-IAD
6/14Sat
nonstopUnited Airlines
1h 42mIAD-TYS
$359
6/13Fri
multi-stopDelta
3h 37mTYS-IAD
6/18Wed
multi-stopDelta
5h 08mIAD-TYS
$409
6/14Sat
multi-stopSouthwest
4h 55mMEM-DCA
6/17Tue
multi-stopSouthwest
5h 40mDCA-MEM
$422
6/14Sat
multi-stopSouthwest
5h 50mMEM-DCA
6/17Tue
multi-stopSouthwest
10h 10mDCA-MEM
$428

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Everything you need to know for your flight to District of Columbia

Cabin class types available on flights to Tennessee

Cabin classes available on flights to Tennessee. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.

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