Flights from Knoxville to Washington, D.C. from $50
Explore flight options from Knoxville to Washington, D.C. with competitive pricing starting from $314.
Knoxville
TYS
→
Washington, D.C.
IAD
10/15/2025 – 10/22/2025
Cheap flight deals from Knoxville to Washington, D.C.
Average price start from:
i
$168
Round-trip flights from Knoxville to Washington, D.C. starting at $168. Book now for the best deals!
One-way from:
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$50
One-way flights from Knoxville to Washington, D.C. starting at $50. Great for flexible travel!
Cheapest day:
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Wednesday
Wednesday is the cheapest day to fly from Knoxville to Washington, D.C.. Save more by booking on this day!
Cheapest In:
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$76
May 2025
May 2025 is the cheapest month to fly from Knoxville to Washington, D.C. with prices starting at $76.
Find flight deals from Knoxville to Washington, D.C.
Cheapest flights from Knoxville to Washington, D.C.
ONEWAY FLIGHTS
LAST MINUTE
CHEAP FLIGHTS
BEST FLIGHTS
Explore the cheapest oneway flights from Knoxville to Washington, D.C. spotted daily.
TYS
Knoxville
TYS - Knoxville • 2025-10-15 • 09:00
Unknown
60 min
IAD
Unknown City
$50
Non-stop • 60 min
TYS
Knoxville
TYS - Knoxville • 2025-10-15 • 09:00
Unknown
60 min
BWI
Unknown City
$81
Non-stop • 60 min
TYS
Knoxville
TYS - Knoxville • 2025-10-15 • 09:00
Unknown
60 min
IAD
Unknown City
$100
Non-stop • 60 min
TYS
Knoxville
TYS - Knoxville • 2025-10-15 • 09:00
Unknown
60 min
DCA
Unknown City
$100
Non-stop • 60 min
TYS
Knoxville
TYS - Knoxville • 2025-10-15 • 09:00
Unknown
60 min
IAD
Unknown City
$110
Non-stop • 60 min
TYS
Knoxville
TYS - Knoxville • 2025-10-15 • 09:00
Unknown
60 min
DCA
Unknown City
$110
Non-stop • 60 min
TYS
Knoxville
TYS - Knoxville • 2025-10-15 • 09:00
Unknown
60 min
IAD
Unknown City
$140
Non-stop • 60 min
TYS
Knoxville
TYS - Knoxville • 2025-10-15 • 09:00
Unknown
60 min
DCA
Unknown City
$170
Non-stop • 60 min
TYS
Knoxville
TYS - Knoxville • 2025-10-15 • 09:00
Unknown
60 min
IAD
Unknown City
$178
Non-stop • 60 min
TYS
Knoxville
TYS - Knoxville • 2025-10-15 • 09:00
Unknown
60 min
BWI
Unknown City
$210
Non-stop • 60 min
TYS
Knoxville
TYS - Knoxville • 2025-10-15 • 09:00
Unknown
60 min
BWI
Unknown City
$239
Non-stop • 60 min
TYS
Knoxville
TYS - Knoxville • 2025-10-15 • 09:00
Unknown
60 min
BWI
Unknown City
$277
Non-stop • 60 min
Price Trends & Analysis
Weekly Price Trends
If your flying dates are flexible, consider flying to Washington, D.C. on a Wednesday.
Monthly Price Trends
The cheapest month for flights from Knoxville to Washington, D.C. is August.
Weather & Climate Information
Temperature
Washington, D.C. experiences a humid subtropical climate, with summer temperatures averaging 80-90°F (27-32°C) and winter temperatures ranging from 30-40°F (-1 to 4°C). The best times for comfortable travel are spring (April to June) and fall (September to November), when temperatures are mild and humidity is lower.
Rainfall
The best time to visit Washington, D.C. is during spring (March to May) when cherry blossoms bloom and temperatures are mild. Fall (September to November) also offers pleasant weather and vibrant foliage, along with events like the National Book Festival, making both seasons ideal for enjoying the city's rich culture and attractions.
Airlines at Washington Dulles
Discover excellent flight options from Knoxville to Washington, D.C. with top airlines including Delta Air Lines, United Airlines, American Airlines, Allegiant Air. These carriers offer reliable service and comfortable connections between these popular destinations.
The average flight time is approximately 10-15 hours, with most routes featuring one stopover for optimal pricing and convenience. When planning your journey from Knoxville to Washington, D.C., these airlines provide excellent connectivity and modern aircraft for a pleasant travel experience.
Places to Visit in Washington, D.C.
Washington, D.C. pulses with the vibrant energy of democracy, where monumental landmarks like the majestic Capitol and the solemn Lincoln Memorial tell stories of a nation’s journey. Visitors can wander through world-class museums of the Smithsonian, immerse themselves in the rich tapestry of history at the National Archives, and stroll along the cherry blossom-lined Tidal Basin. Whether exploring the lively neighborhoods of Georgetown or savoring diverse cuisines, D.C. offers an unforgettable blend of culture, history, and modernity that beckons travelers to discover the heart of America.
About Washington, D.C.
Travel to Washington, D.C. from Knoxville for an unforgettable experience. This vibrant destination offers a perfect blend of culture, history, and modern attractions. The best time to visit is during off-peak seasons for better deals and fewer crowds.
Airlines Flying from Knoxville to Washington, D.C.
Discover excellent flight options from Knoxville to Washington, D.C. with top airlines including Delta Air Lines, United Airlines, American Airlines, Allegiant Air. These carriers offer reliable service and comfortable connections between these popular destinations.
The average flight time is approximately 10-15 hours, with most routes featuring one stopover for optimal pricing and convenience. When planning your journey from Knoxville to Washington, D.C., these airlines provide excellent connectivity and modern aircraft for a pleasant travel experience.
Hotels in Washington, D.C.
When staying in Washington, D.C., look for hotels with easy access to IAD Airport. Most properties provide shuttle services for seamless airport transfers.
About Washington, D.C.
Travel to Washington, D.C. from Knoxville for an unforgettable experience. This vibrant destination offers a perfect blend of culture, history, and modern attractions. The best time to visit is during off-peak seasons for better deals and fewer crowds.
Places to Visit in Washington, D.C.
Washington, D.C. pulses with the vibrant energy of democracy, where monumental landmarks like the majestic Capitol and the solemn Lincoln Memorial tell stories of a nation’s journey. Visitors can wander through world-class museums of the Smithsonian, immerse themselves in the rich tapestry of history at the National Archives, and stroll along the cherry blossom-lined Tidal Basin. Whether exploring the lively neighborhoods of Georgetown or savoring diverse cuisines, D.C. offers an unforgettable blend of culture, history, and modernity that beckons travelers to discover the heart of America.
Hotels in Washington, D.C.
When staying in Washington, D.C., look for hotels with easy access to IAD Airport. Most properties provide shuttle services for seamless airport transfers.
Airlines Flying from Knoxville to Washington, D.C.
Discover excellent flight options from Knoxville to Washington, D.C. with top airlines including Delta Air Lines, United Airlines, American Airlines, Allegiant Air. These carriers offer reliable service and comfortable connections between these popular destinations.
The average flight time is approximately 10-15 hours, with most routes featuring one stopover for optimal pricing and convenience. When planning your journey from Knoxville to Washington, D.C., these airlines provide excellent connectivity and modern aircraft for a pleasant travel experience.
Frequently Asked Questions
What is the cheapest flight from Knoxville to Washington, D.C.?
The cheapest fare is $50. For the best deals, consider booking during August and flying on Wednesday.
How long is the flight from Knoxville to Washington, D.C.?
Average flight time is around 10-15 hours, depending on layovers and the chosen route. Most flights include one stopover for optimal pricing.
Which airlines fly from Knoxville to Washington, D.C.?
Multiple airlines operate this route including Delta Air Lines, United Airlines, American Airlines. Check current schedules and availability for the best options.
What is the best time to book flights?
Booking 2–3 months in advance usually gives the best prices. Consider flying during August for additional savings.
Are there hotels near IAD Airport?
Yes, several hotels are conveniently located near IAD Airport, including options with shuttle services for easy airport access.
What should I know about Washington, D.C.?
Washington, D.C. offers a perfect blend of culture, history, and modern attractions. The best time to visit is during pleasant weather months for optimal experiences.
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