Cheap flights from Knoxville to Washington, D.C.

Flight deals from Knoxville to Washington, D.C.

Below you can see the best deals on flights Knoxville — Washington, D.C. for upcoming dates. Direct and connecting flights from various airlines — compare prices and choose the right ticket.

The lowest price for the next 2 months is on 21 September, from $160.

Top 10 cheap flights from Knoxville to Washington, D.C.

Knoxville — Washington, D.C.

16:40—10:17

22 Sep 2026

17 h 37 m

2 stops

Knoxville — Washington, D.C.

19:25—10:17

21 Sep 2026

14 h 52 m

2 stops

Knoxville — Washington, D.C.

19:25—10:17

21 Sep 2026

14 h 52 m

2 stops

Knoxville — Washington, D.C.

05:40—10:17

16 Sep 2026

28 h 37 m

2 stops

Knoxville — Washington, D.C.

18:13—10:27

23 Sep 2026

16 h 14 m

2 stops

Knoxville — Washington, D.C.

18:13—10:27

23 Sep 2026

16 h 14 m

2 stops

Knoxville — Washington, D.C.

05:40—14:16

23 Sep 2026

8 h 36 m

2 stops

Knoxville — Washington, D.C.

08:55—20:09

22 Sep 2026

11 h 14 m

2 stops

Knoxville — Washington, D.C.

07:50—20:09

22 Sep 2026

12 h 19 m

2 stops

Knoxville — Washington, D.C.

05:40—20:09

22 Sep 2026

14 h 29 m

2 stops

Prices were found in the last 72 hours and may change — check the exact price when you continue.

About the Knoxville — Washington, D.C. flight

Looking for cheap flights from Knoxville to Washington, D.C.? Compare fares from different airlines, check the flight schedule and travel time — and book your Knoxville — Washington, D.C. ticket online at the best price.

The route has direct flights — around 93 flights per week, flights are operated by United Airlines, American Airlines, Air Canada, a nonstop flight takes about 1 h 43 min, the distance between the cities is around 691 km.

Planning your trip? You may find our Washington, D.C. travel guide, how to get from the airport into town and Washington, D.C. weather forecast useful. To catch a low fare, use the low-price calendar and the monthly price chart on this page.

from $154Min. price

OctoberCheapest

AugustPeak season

YesDirect flights

691 kmDistance

1 h 43 minTravel time

3Airlines

93 / wkFlights

Flight schedule from Knoxville to Washington, D.C.

The table shows direct flights from Knoxville to Washington, D.C. on the selected date. The flight takes approximately 1 h 43 min. Regular flights are operated by United Airlines, American Airlines and Air Canada. Departures from McGhee Tyson Airport airports, arrivals at Washington Dulles International Airport, Baltimore/Washington International Thurgood Marshall Airport and Ronald Reagan National Airport.

For each flight, the following details are shown: departure time (local), arrival city and airport, flight number and airline, terminal or gate, and status. Click on a flight to open its details and go to ticket search. To view flights on a different day, change the date above the table.

Today

Any time

Last update: 25 Aug 2026

Airline

Flight

Departure

Arrival

Duration

Days

Status

Below is a calendar of the lowest flight ticket prices for Knoxville — Washington, D.C. by day. Pick a convenient date and instantly see the fare. The cheapest flights on this route start from $154 in October, and the most expensive are around $317 in August. If your travel dates are flexible, the calendar will help you find the best price for your preferred period. To view round-trip fares, switch to the "Round trip" tab above the calendar, select your departure date — and the right-hand calendar will highlight the lowest prices for return flights on each day.

Prices by month

Average one-way fares from Knoxville to Washington, D.C. by month. Tickets are usually cheapest in January (around $137) and priciest in December (about $194) — use the table and chart below to pick the best time to fly.

Month	Average price	Level	Month	Average price	Level	Month	Average price	Level
Jan	$137	low	May	$182	high	Sep	$188	high
Feb	$142	low	Jun	$188	high	Oct	$177	high
Mar	$165	medium	Jul	$171	medium	Nov	$165	medium
Apr	$182	high	Aug	$154	low	Dec	$194	high

Some values are estimated based on seasonality.

When to fly

Weather in Washington, D.C.: it is warmest in July (up to 32 °C on average) and coolest in January (around 7 °C). The driest month is October.

Tickets are usually cheapest in October and most expensive in August. Compare prices and weather by month in the charts below to pick the best time to fly.

Temperature · Washington, D.C.

Dry and wet days · Washington, D.C.

Wind speed and direction · Washington, D.C.

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How to get the best deal on a Knoxville — Washington, D.C. ticket

Book ahead: fares for Knoxville — Washington, D.C. are usually lower 3–8 weeks before departure than at the last minute.
Play with your dates — Tuesday, Wednesday and Saturday departures are often cheaper than Friday and Sunday.
The cheapest month to fly to Washington, D.C. is usually October — plan your trip around it if your dates are flexible.
Compare direct and connecting flights: nonstop is faster, while a connection is sometimes noticeably cheaper.
Watch the low-price calendar and the monthly price trend on this page — they make it easier to catch a good date.
Travelling light? Pick a cabin-baggage-only fare — tickets without checked luggage are noticeably cheaper.
Get to the airport in good time — about 2–3 hours before an international departure and roughly an hour before a domestic one.

Flights on the Knoxville — Washington, D.C. route are operated by 3 airlines; United Airlines runs the most flights (around 63% of all flights). Compare carriers, flight shares and schedules below.

United AirlinesUA
20x/week
WebsiteFleet: 956165M pax/year
- Direct flight TYS → IAD20x/week
  Duration
  1h 43m
  Days
  MTWTFSS
63.4%Open →
American AirlinesAA
11x/week
WebsiteFleet: 965211M pax/year
- Direct flight TYS → DCA11x/week
  Duration
  1h 50m
  Days
  MTWTFSS
35.5%Open →
Air CanadaAC
1x/week
WebsiteFleet: 20346M pax/year
- Direct flight TYS → IAD1x/week
  Duration
  1h 16m
  Days
  MTWTFSS
1.1%Open →

Cities and airports on the Knoxville — Washington, D.C. route

Flights Knoxville — Washington, D.C. depart from McGhee Tyson Airport and arrive at Washington Dulles International Airport, Baltimore/Washington International Thurgood Marshall Airport and Ronald Reagan National Airport. Below are pages for the cities, countries, and airports on the route: airlines, schedules, and travel guides.

Departure

Knoxville

TYS

United States

About the city How to get there Weather All about the country United States

Arrival

Washington, D.C.

WAS

United States

About the city How to get there Weather All about the country United States

Departure airports

McGhee Tyson AirportTYS
About the airport

Arrival airports

Washington Dulles International AirportIAD
About the airport
Baltimore/Washington International Thurgood Marshall AirportBWI
About the airport
Ronald Reagan National AirportDCA
About the airport

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Frequently asked questions about the Knoxville — Washington, D.C. flight

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

A nonstop Knoxville — Washington, D.C. flight takes about 1 h 43 min — the distance between the cities is around 691 km.

How far is it from Knoxville to Washington, D.C.?

The distance from Knoxville to Washington, D.C. is about 691 km, which a nonstop flight covers in around 1 h 43 min.

Are there direct flights from Knoxville to Washington, D.C.?

Yes, there are nonstop flights Knoxville — Washington, D.C. — around 93 flights per week.

Which airlines fly from Knoxville to Washington, D.C.?

Airlines operating Knoxville — Washington, D.C. include United Airlines, American Airlines, Air Canada. See the full list with schedules in the "Airlines" section on this page.

Which airports do Knoxville — Washington, D.C. flights use?

Flights from Knoxville depart from McGhee Tyson Airport, and arrive at Washington Dulles International Airport, Baltimore/Washington International Thurgood Marshall Airport, Ronald Reagan National Airport. If a city has more than one airport, check which one your ticket uses before you travel.

How much is a ticket from Knoxville to Washington, D.C.?

The price of a Knoxville — Washington, D.C. ticket depends on your travel date, season and demand: it is usually cheapest to fly in October, and most expensive in August. Tickets typically cost between $154 and $317. Check the current lowest fare and low-price calendar on this page.

When is the best time to book flights Knoxville — Washington, D.C.?

Flights Knoxville — Washington, D.C. are usually cheaper when booked in advance — a few weeks before departure and away from peak dates; the most budget-friendly month to fly is October. Compare prices by month in the price trend chart on this page.

How can I find the cheapest flights from Knoxville to Washington, D.C.?

To catch a low fare Knoxville — Washington, D.C., book a few weeks in advance, keep your dates flexible, and compare airlines and connecting options. The low-price calendar and monthly price chart on this page show the cheapest days and months at a glance: the most budget-friendly month to fly is usually October.

How early should I arrive at the airport?

For international flights, plan to be at the airport about 2–3 hours before departure, and around an hour before a domestic flight. Allow extra time during busy travel seasons and at large hubs, where check-in and security lines can be longer.

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Cheap flights from Knoxville to Washington, D.C.

Flight deals from Knoxville to Washington, D.C.

Top 10 cheap flights from Knoxville to Washington, D.C.

Knoxville — Washington, D.C.

Knoxville — Washington, D.C.

Knoxville — Washington, D.C.

Knoxville — Washington, D.C.

Knoxville — Washington, D.C.

Knoxville — Washington, D.C.

Knoxville — Washington, D.C.

Knoxville — Washington, D.C.

Knoxville — Washington, D.C.

Knoxville — Washington, D.C.

Top 10 direct flights from Knoxville to Washington, D.C.

Knoxville — Washington, D.C.

Knoxville — Washington, D.C.

Knoxville — Washington, D.C.

Knoxville — Washington, D.C.

Knoxville — Washington, D.C.

Knoxville — Washington, D.C.

Knoxville — Washington, D.C.

Knoxville — Washington, D.C.

Knoxville — Washington, D.C.

Knoxville — Washington, D.C.

Knoxville to Washington, D.C.: departing soon

Knoxville — Washington, D.C.

Knoxville — Washington, D.C.

Knoxville — Washington, D.C.

Knoxville — Washington, D.C.

Knoxville — Washington, D.C.

Knoxville — Washington, D.C.

Knoxville — Washington, D.C.

Knoxville — Washington, D.C.

Knoxville — Washington, D.C.

Knoxville — Washington, D.C.

About the Knoxville — Washington, D.C. flight

Facts about this route

Flight schedule from Knoxville to Washington, D.C.

Flight ticket prices by day: Knoxville — Washington, D.C.

Prices by month

When to fly

Temperature · Washington, D.C.

Dry and wet days · Washington, D.C.

Wind speed and direction · Washington, D.C.

We'll let you know if you need a visa

How to get the best deal on a Knoxville — Washington, D.C. ticket

Cities and airports on the Knoxville — Washington, D.C. route

Knoxville

Washington, D.C.

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