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Cheap Flights from Knoxville to Washington D.C.

Compare Knoxville to Washington D.C. flight deals

Find the cheapest month or even day of the year to fly to Washington D.C.

Book the best Washington D.C. fare with no extra fees

Flight deals from Knoxville to Washington D.C.

Looking for a cheap last-minute deal or the best return flight from Knoxville to Washington D.C.? Find the lowest prices on one-way and return tickets right here.
Washington D.C..Rs11,307 per passenger.Departing Fri, 10 Oct.One-way flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Knoxville on Fri, 10 Oct, arriving in Washington Dulles.Price includes taxes and charges.From Rs11,307, select.
Washington D.C..Rs15,318 per passenger.Departing Mon, 3 Nov.One-way flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Knoxville on Mon, 3 Nov, arriving in Washington Dulles.Price includes taxes and charges.From Rs15,318, select.
Washington D.C..Rs16,172 per passenger.Departing Mon, 25 Aug.One-way flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Knoxville on Mon, 25 Aug, arriving in Washington Dulles.Price includes taxes and charges.From Rs16,172, select.
Washington D.C..Rs17,026 per passenger.Departing Thu, 19 Feb.One-way flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Knoxville on Thu, 19 Feb, arriving in Washington Dulles.Price includes taxes and charges.From Rs17,026, select.
Washington D.C..Rs25,961 per passenger.Departing Thu, 4 Sep.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Knoxville on Thu, 4 Sep, arriving in Baltimore Washington International.Price includes taxes and charges.From Rs25,961, select.
Washington D.C..Rs28,370 per passenger.Departing Mon, 8 Dec.One-way flight with Allegiant Air.Outbound indirect flight with Allegiant Air, departs from Knoxville on Mon, 8 Dec, arriving in Baltimore Washington International.Price includes taxes and charges.From Rs28,370, select.
Washington D.C..Rs35,369 per passenger.Departing Tue, 20 Jan.One-way flight with Delta.Outbound indirect flight with Delta, departs from Knoxville on Tue, 20 Jan, arriving in Washington Ronald Reagan.Price includes taxes and charges.From Rs35,369, select.
Washington D.C..Rs60,568 per passenger.Departing Fri, 12 Sep.One-way flight with United.Outbound direct flight with United departs from Knoxville on Fri, 12 Sep, arriving in Washington Dulles.Price includes taxes and charges.From Rs60,568, select.

Find the cheapest month to fly from Knoxville to Washington D.C.

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Knoxville to Washington D.C. flights are currently cheapest in October.
Aug
from Rs16,172
Sep
from Rs25,961
Oct
from Rs11,307
Nov
from Rs15,318
Dec
from Rs28,370
Jan
from Rs35,369
Feb
from Rs17,026
Mar
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Apr
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May
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Jun
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Jul
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Direct flights from Knoxville to Washington D.C.

Alternative Knoxville to Washington D.C. routes

Looking for the cheapest, fastest or easiest route from Knoxville to Washington D.C.? You could fly into the following airports instead.

Knoxville to Washington D.C.: Flight information

The things to know before you go.
Cheapest flight foundRs11,307
Cheapest month to flyOctober
Average flight time1 hr, 41 mins
Most popular airlineAmerican Airlines
Average flights per week211

Finding cheap flights from Knoxville to Washington D.C.: Frequently asked questions

There are 5 airports in Washington D.C.: Washington Ronald Reagan, Camp Springs Andrews AFB, Washington Dulles, Baltimore Washington International, and Manassas.
The best price we found for a return flight from Knoxville to Washington D.C. is Rs23,505. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
1 hour and 41 minutes is the average flight time from Knoxville to Washington D.C..
American Airlines, PSA Airlines and Air Canada fly direct from Knoxville to Washington D.C..
As of August 2025, there are 211 flights per week flying from Knoxville to Washington D.C..
The cheapest month to fly from Knoxville to Washington D.C. is usually October.
If you're flying from Knoxville Airport, the cheapest airport near Washington D.C. is Washington Dulles – which is 36.5 km away from the centre of Washington D.C.. We've found flights into this airport from Rs23,505.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Knoxville Airport to Washington D.C. on Friday, 10 October 2025.
Yes – the average flight time is 1 hour and 41 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Washington D.C. but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Washington D.C. is around 40 days in advance, so don’t leave your flight to the last minute.
In August, the average temperature is usually around 25°C. July is typically the warmest month in Washington D.C., when it usually averages around 31°C. You can expect the least rain in February. The coldest month is January, with temperatures averaging -4°C. The rainiest month is September.
Currently, Allegiant Air offers the cheapest flight tickets to Washington D.C..

Travelling from McGhee Tyson Airport (TYS) to Washington DC: what you need to know

  • Book a direct flight from McGhee Tyson Airport to Washington DC and you'll be travelling for around 1 hour 50 minutes.

  • Washington DC's timezone is UTC-4, which is the same as Knoxville (the location of McGhee Tyson Airport).

  • The busiest route is from McGhee Tyson Airport (TYS) to Washington Dulles International Airport (IAD). Choose from 26 services every week between these two airports. If you'd like to get going as soon as possible, the earliest flight from TYS to IAD is the 05:40 United Airlines option. If you'd rather fly out later on, the final departure is at 19:35 with United Airlines.

  • For a stress-free journey, arrive at the airport two hours ahead of international flights and an hour before domestic departures. This leaves you with plenty of time to catch your TYS to Washington DC flight.

  • If you're jetting off during a major holiday or another peak period, allow extra time. A good general rule is two hours ahead of domestic flights and up to four hours before international departures. Check-in and security lines will be longer.

  • Begin your journey at TYS and fly nonstop to Ronald Reagan National Airport (DCA). That will be your arrival point when searching for McGhee Tyson Airport to Washington DC tickets.

  • You'll have your pick of carriers that operate direct flights from McGhee Tyson Airport to Washington DC. Reserve your trip with one of these:

  • TYS is around 18 kilometres from central Knoxville. If you're driving, catching a cab or ride-sharing from the centre, it'll take 20 minutes or so to arrive, depending on traffic conditions.

  • Want a relaxed start to your travels? Stay near TYS. Whether you're catching an early flight from McGhee Tyson Airport to Washington DC or want to avoid feeling rushed, these hotels have you covered:

  • Of the departures from McGhee Tyson Airport, 78.98% touch down on time at their destination.

  • TYS's address is 2055 Alcoa Highway.

How to find the cheapest flights from McGhee Tyson Airport (TYS) to Washington DC

  • Rs11,307 is currently the best price for a one-way McGhee Tyson Airport to Washington DC flight. Return flight tickets start at Rs23,505. These fares may change depending on availability and demand.

  • Get cheap flights from TYS to Washington DC by booking three months ahead. According to our research, that's the sweet spot for finding the biggest deals.

  • July is the best month for nabbing a fantastic deal on McGhee Tyson Airport to Washington DC tickets. If you'd like to travel during a different time of year, the 'Whole month' tool will give you the lowest prices for every month.

  • You don't need to keep looking every day to find out if fares have dropped when you create a Price Alert. We'll update you when there's an even better deal on cheap flights from TYS to Washington DC.

  • Pick your ideal departure and arrival times, number of stops and airlines with our filters. Then, sort the results for your flight from McGhee Tyson Airport to Washington DC by 'Cheapest,' 'Fastest' or 'Best.'

Airports in Washington DC

Ronald Reagan National Airport (DCA)

  • Ronald Reagan National Airport (DCA) to the centre of Washington DC takes around 15 minutes by car. The centre is roughly 8 kilometres away.

  • It typically takes 45 minutes to get there by public transport.

  • Consider staying in a hotel near DCA if you're coming in on a late flight from McGhee Tyson Airport to Washington DC. Choose one of these options and make your first night all about rest:

  • Hit the road running by picking up a Ronald Reagan National Airport rental car. Grab your wheels from Thrifty, Sixt or Dollar and explore beyond Washington DC's main sights.

  • Lock in the best possible rate by booking your vehicle from Ronald Reagan National Airport around four weeks in advance of your flight from TYS to Washington DC.

  • The street address for DCA is 1 Aviation Circle.

Washington Dulles International Airport (IAD)

  • Central Washington DC is located around 56 kilometres from Washington Dulles International Airport (IAD). After your flight from McGhee Tyson Airport to Washington DC has landed and you've made your way through the terminal, expect a drive of around 50 minutes.

  • If you choose to travel on public transport, you'll reach the centre in 1 hour 10 minutes or so.

  • Place the 'Do not disturb' sign on your door and unwind at a hotel near IAD. Here are a few options where you can tuck yourself in after your TYS to Washington DC flight:

  • Forget about inconvenient public transport timetables or long cab queues. Grab a Washington Dulles International Airport rental car and go in any direction that inspires you. Compare offers from Dollar, Thrifty and Sixt.

  • Don't pay more than you need to. Reserving your ride one week ahead of your arrival at IAD can help you lock in a better rate.

  • The address for Washington Dulles International Airport is 1 Saarinen Circle.

Baltimore/Wash International Thurgood Marshall Airport (BWI)

Best time to go to Washington DC

  • Plan your trip to Washington DC in peak season if you want a bustling atmosphere, but remember that prices are typically higher. Alternatively, book your flights from McGhee Tyson Airport to Washington DC during low season when prices are cheaper and it's quieter.

  • Book a McGhee Tyson Airport to Washington DC flight ticket with a departure in July if you're eager to explore the city during its warmest month. Expect temperatures to range from 19ºC to 33ºC.

  • Look for cheap tickets from TYS to Washington DC in January if you'd rather travel during cooler conditions. Temperatures are at their lowest then, ranging between -6ºC and 10ºC on average.

More about Washington DC

Explore more of United States

  • Washington DC has plenty to offer, but there are so many other parts of United States just waiting to be discovered. Around 322 kilometres north-east of Washington DC, a visit to New York will keep your itinerary busy. Start with attractions like Statue of Liberty, Central Park and Empire State Building.

  • If you're interested in discovering another great destination in United States, head for Philadelphia, about 193 kilometres north-east of Washington DC. Liberty Bell, Independence Hall and Philadelphia Museum of Art are key reasons to visit.

Plan the rest of your trip from Knoxville to Washington D.C.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.