TYS - WAS

$34 Find Cheap Flights from Knoxville to Washington, D.C. - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$93
Typical prices: $198-$390
Allegiant Air
Mon 10/1Thu 10/4
TYS - IAD • Non-stop
Cheapest one-way
$34
Typical prices: $73-$327
Allegiant Air
Mon 10/22
TYS - IAD • Non-stop
Nonstop flights
You can fly direct with United Airlines, American Airlines and others. Average duration is 1h 44m.
Direct flights
+1
Direct flights
+1
Top routes
Cheapest • 10% average savings
Most popular
Insights
Insights
When to book
in advance
Our data shows that travelers who book at least 22 weeks in advance save around 69% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 24% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $208 (round-trip)
Shortest trip • 3h 30m (one-way)
Insights
Insights
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We hope you love your trip to Washington, D.C.!
Flight Deals
Booking Insights
Expert advice
Flight Deals

Cheap Flights from Knoxville to Washington, D.C. (TYS-WAS)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Knoxville to Washington, D.C.

Thu, Oct 1 - Sun, Oct 4
Allegiant Air Logo
1:37 pm - 3:03 pmTYS  Knoxville McGhee Tyson-IAD Washington, D.C. Dulles Intl
1h 26mnonstop
Allegiant Air Logo
3:53 pm - 5:21 pmIAD  Washington, D.C. Dulles Intl-TYS Knoxville McGhee Tyson
1h 28mnonstop
$93Allegiant Air
Tue, Oct 13 - Tue, Oct 20
American Airlines Logo
7:13 pm - 11:10 pmTYS  Knoxville McGhee Tyson-BWI Baltimore/Washington
3h 57m1 stop Charlotte Douglas
American Airlines Logo
6:11 am - 9:38 amBWI  Baltimore/Washington-TYS Knoxville McGhee Tyson
3h 27m1 stop Charlotte Douglas
$179American Airlines
Tue, Oct 13 - Tue, Oct 20
Southwest Logo
8:20 am - 9:50 amTYS  Knoxville McGhee Tyson-BWI Baltimore/Washington
1h 30mnonstop
Southwest Logo
6:30 pm - 8:10 pmBWI  Baltimore/Washington-TYS Knoxville McGhee Tyson
1h 40mnonstop
$179Southwest
Tue, Oct 13 - Tue, Oct 20
Southwest Logo
8:20 am - 9:50 amTYS  Knoxville McGhee Tyson-BWI Baltimore/Washington
1h 30mnonstop
Southwest Logo
6:30 pm - 8:10 pmBWI  Baltimore/Washington-TYS Knoxville McGhee Tyson
1h 40mnonstop
$179Southwest
Wed, Feb 3 - Wed, Feb 10
Delta Logo
8:47 am - 3:40 pmTYS  Knoxville McGhee Tyson-BWI Baltimore/Washington
6h 53m1 stop Atlanta Hartsfield-Jackson
Delta Logo
6:10 pm - 11:46 pmBWI  Baltimore/Washington-TYS Knoxville McGhee Tyson
5h 36m1 stop Atlanta Hartsfield-Jackson
$179Delta
Thu, Oct 22 - Sun, Oct 25
Multiple Airlines Logo
9:05 am - 8:11 pmTYS  Knoxville McGhee Tyson-IAD Washington, D.C. Dulles Intl
11h 06m1 stop Fort Lauderdale
Multiple Airlines Logo
8:16 am - 9:44 amIAD  Washington, D.C. Dulles Intl-TYS Knoxville McGhee Tyson
1h 28mnonstop
$188Multiple Airlines
Fri, Oct 30 - Sun, Nov 1
Multiple Airlines Logo
7:00 am - 10:21 amTYS  Knoxville McGhee Tyson-IAD Washington, D.C. Dulles Intl
27h 21m2 stops Key West Orlando
Multiple Airlines Logo
8:16 am - 9:44 amIAD  Washington, D.C. Dulles Intl-TYS Knoxville McGhee Tyson
1h 28mnonstop
$188Multiple Airlines
Tue, Oct 6 - Tue, Oct 13
Delta Logo
4:11 pm - 9:30 pmTYS  Knoxville McGhee Tyson-BWI Baltimore/Washington
5h 19m1 stop Atlanta Hartsfield-Jackson
Delta Logo
12:00 pm - 5:28 pmBWI  Baltimore/Washington-TYS Knoxville McGhee Tyson
5h 28m1 stop Atlanta Hartsfield-Jackson
$191Delta
Sat, Oct 24 - Thu, Oct 29
Allegiant Air Logo
1:52 pm - 3:30 pmTYS  Knoxville McGhee Tyson-IAD Washington, D.C. Dulles Intl
25h 38m1 stop Punta Gorda
Allegiant Air Logo
10:01 am - 11:29 amIAD  Washington, D.C. Dulles Intl-TYS Knoxville McGhee Tyson
1h 28mnonstop
$191Allegiant Air
Thu, Oct 8 - Tue, Oct 13
American Airlines Logo
10:55 am - 12:34 pmTYS  Knoxville McGhee Tyson-DCA Washington, D.C. Reagan-National
1h 39mnonstop
American Airlines Logo
7:45 pm - 9:33 pmDCA  Washington, D.C. Reagan-National-TYS Knoxville McGhee Tyson
1h 48mnonstop
$193American Airlines
Booking Insights

Price, demand and travel trends for Knoxville to Washington, D.C. flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Knoxville to Washington, D.C. with more confidence.

How much is a round-trip flight from Knoxville to Washington, D.C.?

Round-trip flights from Knoxville to Washington, D.C. start at $93. Prices are below average for this route right now, with typical round-trip fares ranging from $198 to $390. The lowest price found in the past 5 days was $93 on Allegiant Air.

What is the cheapest Knoxville to Washington, D.C. flight route?

Knoxville (TYS) to Washington, D.C. Dulles Intl Airport (IAD) is the cheapest Knoxville to Washington, D.C. route, averaging $230 round-trip. Other Knoxville to Washington, D.C. routes average $283, based on KAYAK data over the past 12 months.

What's the cheapest day of the week to fly from Knoxville to Washington, D.C.?

Friday is the cheapest day of the week to fly from Knoxville to Washington, D.C., it is 8% cheaper than the average day. Sunday is the most expensive day with flight prices 45% higher than average. Based on deals found by KAYAK users in the last 12 months.

What is the cheapest month to fly from Knoxville to Washington, D.C.?

  • February is the cheapest month to fly from Knoxville to Washington, D.C. at $204 round-trip.
  • March ($327) and September ($312) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 60% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from Knoxville to Washington, D.C. the cheapest?

Flights from Knoxville to Washington, D.C. are cheapest 22 weeks before departure. Booking in this window typically costs about 69% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Expert advice

Expert advice for your flight from Knoxville to Washington, D.C.

 
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Harriet Baskas

Harriet Baskas

Expert on American Airlines

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Stefanie Waldek

Stefanie Waldek

Expert on United Airlines

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

Key details for Knoxville to Washington, D.C. flights

Low season

January

Cheapest flight

$34
Best time to beat the crowds with an average 8% drop in price.
Most popular time to fly and prices are also 3% lower on average.
Flight from Knoxville to Washington, D.C. Dulles Intl Airport

When to book flights from Knoxville to Washington, D.C.

Are your dates flexible? Find out the best times to travel from Knoxville to Washington, D.C. based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Knoxville to Washington, D.C. flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Which airlines offer extra legroom and free seat selection on Knoxville to Washington, D.C. flights?

    Among airlines operating Knoxville to Washington, D.C. flights:

    • American Airlines: offers extra legroom; offers free seat selection
    • United Airlines: offers extra legroom; offers free seat selection
    • Delta: offers free seat selection

    Extra legroom and free seat selection availability depends on fare class and route.

  • What airlines are available from Knoxville to Washington, D.C.?

    4 airlines operate flights between Knoxville and Washington, D.C.. The airlines offering nonstop flights on this route include:

    • United Airlines
    • American Airlines
    • Allegiant Air
    • Delta

  • Which airports can I use when flying from Knoxville to Washington, D.C.?

    Flights from Knoxville to Washington, D.C. usually depart from Knoxville McGhee Tyson (TYS) and may arrive at several airports in Washington, D.C. area, including Washington, D.C. Reagan-National (DCA) and Washington, D.C. Dulles Intl (IAD).

  • Which airlines include bags at no extra cost on Knoxville to Washington, D.C. flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • American Airlines: a cabin bag and a checked bag in Economy Class
    • United Airlines: a cabin bag and a checked bag in Economy Class
    • Delta: a cabin bag in Economy Class class

    Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.

  • What cabin classes can I book on flights from Knoxville to Washington, D.C.?

    Three cabin classes are available on flights from Knoxville to Washington, D.C.:

    • Economy Class
    • Business Class
    • First Class

  • How much can I save by taking a layover when flying from Knoxville to Washington, D.C.?

    On this route, layover flights are cheaper than nonstop options on average. Layover fares average $208 round-trip via Detroit Metropolitan Wayne County (DTW), compared to $268 for nonstop.

  • What is the standard checked-bag allowance on flights from Knoxville to Washington, D.C.?

    There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $39–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

  • Which airports do connecting flights from Knoxville to Washington, D.C. pass through?

    One-stop flights from Knoxville to Washington, D.C. most commonly connect through:

    • Atlanta Hartsfield-Jackson (ATL) - 35% of one-stop connections
    • Charlotte Douglas (CLT) - 29% of one-stop connections
    • Nashville Intl (BNA) - 18% of one-stop connections
    • Denver Intl (DEN) - 6% of one-stop connections

    Atlanta Hartsfield-Jackson (ATL) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from Knoxville to Washington, D.C.?

    Yes. Being flexible with your travel dates can save you up to 37% on the Knoxville to Washington, D.C. route. Friday is the cheapest departure day at $248 round-trip on average, while Sunday is the most expensive at $390, a difference of $142. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How are flight departures from Knoxville to Washington, D.C. spread across the day?

    Morning is the busiest departure period on Knoxville to Washington, D.C. flights, with 58% of flights leaving in that window. Evening departures account for 28%, afternoon flights for 14%, and night flights for 0%.

  • What popular places can I visit in Washington, D.C.?

    Some of the most popular sights in Washington, D.C. are Walter E. Washington Convention Center, National Mall and Capital One Arena. These are among the most viewed places in Washington, D.C. on KAYAK.

  • What are the earliest and latest flights from Knoxville to Washington, D.C.?

    These are the earliest and latest flight times available from Knoxville to Washington, D.C.:

    • Earliest: departs at 5:45 am and lands at 7:29 am
    • Latest: departs at 7:45 pm and lands at 9:29 pm.

    The flight takes about 1h 44m.

  • How expensive are last-minute Knoxville to Washington, D.C. flights?

    Last-minute fares on this route - booked within 2 weeks of departure - run 36% above the route average of $268. Book 22 weeks before departure for the lowest fares.

  • How long is a flight from Knoxville to Washington, D.C.?

    A nonstop flight from Knoxville to Washington, D.C. takes 1h 44m, covering 437 miles.

  • Do I need a passport to fly from Knoxville to Washington, D.C.?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

  • How are flight prices from Knoxville to Washington, D.C. looking right now?

    One-way fares from Knoxville to Washington, D.C. are currently lower than usual. Average one-way flight prices are about $81, which is 58% below the typical average for this route.

  • How much time can I save by choosing a different layover airport from Knoxville to Washington, D.C.?

    Flying via Charlotte Douglas (CLT) gives the shortest average 1-stop total travel time at 3h 30m, compared with 3h 53m via Atlanta Hartsfield-Jackson (ATL) and 5h 41m via Nashville Intl (BNA).

  • What car rental options are available in Washington, D.C.?

    Since Washington, D.C. is served by multiple airports, car rental options and rates can vary depending on which one you fly into.
    Near Washington, D.C. Reagan-National Airport (DCA) — daily rates from around $23:

    • Sixt
    • Dollar
    • Thrifty
    • Alamo
    • Budget

    Near Washington, D.C. Dulles Intl Airport (IAD) — daily rates from around $24:

    • Dollar
    • Budget
    • Hertz
    • Sixt
    • Thrifty

  • How much should I expect to pay for a Knoxville to Washington, D.C. flight?

    Round-trip flights from Knoxville to Washington, D.C. range from $198 to $390, with an average of $268 over the past 12 months. Anything below $198 counts as a good deal.

  • Which airlines offer Wi-Fi on Knoxville to Washington, D.C. flights?

    Two airlines offer in-flight Wi-Fi on Knoxville to Washington, D.C. flights:

    • • American Airlines
    • • Delta

    Pricing varies by airline and fare class. Some plans are included with the ticket or loyalty program; others are paid add-ons priced by flight length.

Your guide to booking Knoxville to Washington, D.C. flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Friday departure instead of Sunday. On this route, Friday flights average $248 - about $142 less than Sunday (36% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 22 weeks before you fly. On this route, that window historically saves about 69% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Knoxville to Washington, D.C. trip for February. Fares historically average $204 round-trip in that month - typically $123 less than the most expensive month, which is March (based on the last 12 months).
  • If you have the time, taking a 1-stop flight through Detroit Metropolitan Wayne County Airport (DTW) can be cheaper than flying direct. The cheapest layover option averages $208 round-trip on this route - about $60 less than direct flights (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Washington, D.C. Reagan-National Airport.
    - Hyatt House Washington DC The Wharf
    - Intercontinental Hotels Washington D.C. - The Wharf By IHG
    - Pendry Washington DC - The Wharf

Prefer to fly direct from Knoxville to Washington, D.C.?

 
Find which airlines fly direct from Knoxville McGhee Tyson Airport to Washington, D.C., which days they fly and book direct flights.

Direct departures

Knoxville McGhee Tyson to Washington, D.C.

Monday

American Airlines,United Airlines

American Airlines,United Airlines

Tuesday

American Airlines,United Airlines,Allegiant Air

American Airlines,United Airlines, +1 more

Wednesday

American Airlines,United Airlines

American Airlines,United Airlines

Thursday

Allegiant Air,American Airlines,United Airlines

Allegiant Air,American Airlines, +1 more

Friday

American Airlines,United Airlines

American Airlines,United Airlines

Saturday

American Airlines,United Airlines,Allegiant Air

American Airlines,United Airlines, +1 more

Sunday

Allegiant Air,American Airlines,Delta, +1 more

Allegiant Air,American Airlines, +2 more

See more direct flights

Direct returns

Washington, D.C. to Knoxville McGhee Tyson

Monday

American Airlines,United Airlines

American Airlines,United Airlines

Tuesday

American Airlines,United Airlines,Allegiant Air

American Airlines,United Airlines, +1 more

Wednesday

American Airlines,United Airlines

American Airlines,United Airlines

Thursday

Allegiant Air,American Airlines,United Airlines

Allegiant Air,American Airlines, +1 more

Friday

American Airlines,Delta,United Airlines

American Airlines,Delta, +1 more

Saturday

American Airlines,United Airlines,Allegiant Air

American Airlines,United Airlines, +1 more

Sunday

Allegiant Air,American Airlines,United Airlines

Allegiant Air,American Airlines, +1 more

See more direct flights

More options for your flight from Knoxville to Washington, D.C.

Complete your trip to Washington, D.C. with a hotel stay or car rental