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Home / Knoxville — Washington

Cheap flights Knoxville — Washington

from $239 690 km ~1h 19m 2 flights found 2 airlines cheapest on Saturday
How many travellers?
Adults
12+ years
1
Children
2–11 years
0
Infants
under 2
0
Choose your departure date
Cheapest: $239 on 21.11.2026
Prices shown are from searches by other travellers over the last 24 hours. Missing a date? Click any day — we'll find tickets anyway.
November 2026
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December 2026
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January 2027
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Prices found for 1 of 90 days. Prices update as more travellers search. Click any date to search live.
Depart
—
Return
—
Cheapest flights found
21 Nov 2026, Sat
Southwest Airlines WN 1875
20:50
TYS McGhee Tyson Airport
00:50
DCA Ronald Reagan National Airport
4h 1 stop
View this ticket
21 Nov 2026, Sat
United Airlines UA 4325
17:45
TYS McGhee Tyson Airport
19:28
IAD Washington Dulles International Airport
1h 43m Direct
View this ticket
Route characteristics
Distance
690 km
Flight time
1h 19m
Time difference
+0h
Minimum price
from $239 (21.11.2026)
Average price
$239
Maximum price
$239
Cheapest day
Saturday
Departure airports (1)
TYS McGhee Tyson Airport
Arrival airports (2)
DCA Ronald Reagan National Airport IAD Washington Dulles International Airport
Airlines (2)
WN Southwest Airlines UA United Airlines
Agencies (2)
Biletix Clickavia
Airlines — cheapest prices 2
Southwest Airlines
Southwest Airlines
Low-cost 1 flights · 1 days
$239
United Airlines
United Airlines
1 flights · 1 days
$247
Where to buy tickets 2
Biletix
1 tickets · 1 days
from $239
Clickavia
1 tickets · 1 days
from $247
Airports

From — Knoxville (1)

  • TYS McGhee Tyson Airport

To — Washington (2)

  • DCA Ronald Reagan National Airport
  • IAD Washington Dulles International Airport
Other destinations from Knoxville
Frequently asked questions about the route Knoxville — Washington
How long is the flight from Knoxville to Washington?
Approximate flight time — 1h 19m. This is an average for a direct flight. With connections, the time may be longer.
What is the distance from Knoxville to Washington?
The straight-line distance — 690 km.
How much do flights from Knoxville to Washington cost?
The minimum price over 3 months — from $239 on 21.11.2026.
What is the average ticket price?
The average price — $239. Range: $239 — $239.
What is the time difference between Knoxville and Washington?
The difference — +0h.
From which airports does Knoxville operate flights?
From Knoxville: TYS (McGhee Tyson Airport).
To which airports in Washington do flights arrive?
To Washington: DCA (Ronald Reagan National Airport), IAD (Washington Dulles International Airport).
Which airlines fly this route?
This route is served by 2 airlines: Southwest Airlines, United Airlines.
Are there direct flights?
Yes, there are direct flights. Minimum direct price — from $247. Total direct flights found: 1.
Which day of the week is cheapest?
The cheapest day of the week — Saturday.
When is the best time to buy tickets?
Optimal — 1–3 months before departure. Check the calendar above — it shows the best dates.
How do I book flights?
Click "View this ticket" on any flight card — you'll be redirected to the booking page with this specific ticket pre-selected.
About the route Knoxville — Washington

Flights Knoxville — Washington is a popular route. The straight-line distance is 690 km. Flight time 1h 19m. Time difference +0h.

From Knoxville (TYS) flights depart from 1 airport: TYS. To Washington (WAS) — 2 arrival airports: DCA, IAD.

2 airlines operate on this route: Southwest Airlines, United Airlines.

The minimum price for the next 3 months — from $239 (21.11.2026). The cheapest dates are highlighted in the calendar above.

The average ticket price — $239, ranging from $239 to $239. Book 1–3 months in advance to get the best deals.

Cheapest day to fly — Saturday.

Other destinations in United States from Knoxville