$95+ Cheap flights from Knoxville (TYS) to Reagan-National (DCA)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/14. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — DCA
Oct 15 — Oct 221
Round-trip
1 adult, Economy
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Find cheap flights from Knoxville to Reagan-National with Cheapflights
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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Knoxville to Reagan-National
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Cheapest flights from Knoxville to Reagan-NationalExplore the most affordable flight options available from Knoxville to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2026.
Explore the most affordable flight options available from Knoxville to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2026.
This American Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/810:55 am -
Nonstop1h 39m
Tue 10/137:45 pm -
Nonstop1h 48m
Deal found 9/11![American Airlines logo]()
$193
This American Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/167:17 am -
Nonstop1h 43m
Mon 10/198:25 am -
Nonstop2h 00m
Deal found 9/10![American Airlines logo]()
$209
This Delta deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/15:40 am -
1 stop5h 46m
Sat 10/38:00 am -
1 stop6h 40m
Deal found 9/10![Delta logo]()
$213
This Southwest deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/87:25 pm -
1 stop3h 40m
Tue 10/136:00 am -
1 stop10h 40m
Deal found 9/10![Southwest logo]()
$218
This American Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/297:17 am -
Nonstop1h 43m
Sun 11/18:40 am -
Nonstop1h 53m
Deal found 9/10![American Airlines logo]()
$220
This American Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/104:49 pm -
1 stop5h 31m
Tue 10/138:25 am -
Nonstop2h 00m
Deal found 9/14![American Airlines logo]()
$223
This American Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/227:17 am -
Nonstop1h 43m
Sun 10/258:25 am -
Nonstop2h 00m
Deal found 9/14![American Airlines logo]()
$224
This Delta deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/166:23 pm -
1 stop5h 24m
Mon 10/197:40 pm -
1 stop4h 18m
Deal found 9/10![Delta logo]()
$229
This American Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/311:36 am -
Nonstop1h 41m
Sat 11/73:59 pm -
Nonstop1h 54m
Deal found 9/11![American Airlines logo]()
$232
Best flights from Knoxville to Reagan-NationalDiscover carefully curated flight deals from Knoxville to Reagan-National that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 15, 2026.
Discover carefully curated flight deals from Knoxville to Reagan-National that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 15, 2026.
This Delta deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/97:22 pm -
1 stop4h 24m
Sat 11/1410:15 am -
1 stop3h 40m
Deal found 9/10![Delta logo]()
$213
This Southwest deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/97:25 pm -
1 stop3h 30m
Sat 11/147:25 am -
2 stops10h 15m
Deal found 9/10![Southwest logo]()
$224
This Delta deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/166:23 pm -
1 stop5h 24m
Mon 10/197:40 pm -
1 stop4h 18m
Deal found 9/10![Delta logo]()
$229
This Southwest deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/25:15 pm -
1 stop4h 45m
Thu 12/311:40 am -
1 stop5h 00m
Deal found 9/11![Southwest logo]()
$257
This Southwest deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/106:40 am -
2 stops11h 20m
Tue 10/136:00 am -
1 stop10h 40m
Deal found 9/14![Southwest logo]()
$305
This Delta deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/252:08 pm -
1 stop4h 20m
Mon 9/286:59 am -
1 stop4h 19m
Deal found 9/12![Delta logo]()
$349
This Southwest deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/242:55 pm -
1 stop4h 45m
Thu 10/293:00 pm -
2 stops7h 45m
Deal found 9/13![Southwest logo]()
$342
This Southwest deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/117:05 am -
2 stops8h 35m
Sun 11/156:00 am -
1 stop6h 10m
Deal found 9/13![Southwest logo]()
$342
This Southwest deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/172:05 pm -
1 stop6h 50m
Mon 9/216:00 am -
2 stops12h 40m
Deal found 9/10![Southwest logo]()
$394
This Southwest deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/227:00 am -
2 stops11h 00m
Sat 9/266:05 am -
1 stop7h 10m
Deal found 9/12![Southwest logo]()
$394
Last-minute flights from Knoxville to Reagan-NationalDiscover last-minute flight deals from Knoxville to Reagan-National. Data last updated September 15, 2026 and is based on user searches.
Discover last-minute flight deals from Knoxville to Reagan-National. Data last updated September 15, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/15:40 am -
1 stop5h 46m
Sat 10/38:00 am -
1 stop6h 40m
Deal found 9/10![Delta logo]()
$213
This Delta deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/15:40 am -
1 stop5h 46m
Sun 10/46:00 am -
1 stop5h 18m
Deal found 9/10![Delta logo]()
$240
This American Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/810:55 am -
Nonstop1h 39m
Tue 10/137:45 pm -
Nonstop1h 48m
Deal found 9/11![American Airlines logo]()
$193
This Southwest deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/87:25 pm -
1 stop3h 40m
Tue 10/136:00 am -
1 stop10h 40m
Deal found 9/10![Southwest logo]()
$218
This American Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/104:49 pm -
1 stop5h 31m
Tue 10/138:25 am -
Nonstop2h 00m
Deal found 9/14![American Airlines logo]()
$223
This American Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/167:17 am -
Nonstop1h 43m
Mon 10/198:25 am -
Nonstop2h 00m
Deal found 9/10![American Airlines logo]()
$209
This Delta deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/166:23 pm -
1 stop5h 24m
Mon 10/197:40 pm -
1 stop4h 18m
Deal found 9/10![Delta logo]()
$229
This American Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/227:17 am -
Nonstop1h 43m
Sun 10/258:25 am -
Nonstop2h 00m
Deal found 9/14![American Airlines logo]()
$224
This American Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/297:17 am -
Nonstop1h 43m
Sun 11/18:40 am -
Nonstop1h 53m
Deal found 9/10![American Airlines logo]()
$220
One-way flights from Knoxville to Reagan-NationalSearch for one-way flight options from Knoxville to Reagan-National. Find affordable one-way fares based on user searches. Data last updated September 15, 2026.
Search for one-way flight options from Knoxville to Reagan-National. Find affordable one-way fares based on user searches. Data last updated September 15, 2026.
This Southwest deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/141:00 pm -
1 stop9h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Southwest logo]()
$95
This Southwest deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/97:25 pm -
1 stop3h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Southwest logo]()
$107
This Southwest deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/107:05 am -
2 stops8h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Southwest logo]()
$112
This Southwest deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/102:55 pm -
1 stop4h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Southwest logo]()
$129
This Southwest deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/115:15 pm -
1 stop4h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Southwest logo]()
$134
This Southwest deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/122:50 pm -
1 stop5h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Southwest logo]()
$144
This Southwest deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1212:50 pm -
1 stop9h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Southwest logo]()
$149
This Southwest deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/227:25 pm -
1 stop3h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Southwest logo]()
$170
This Southwest deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/268:50 am -
1 stop7h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Southwest logo]()
$175
Find flight deals from Knoxville to Reagan-National
Discover tips and strategies to find the most affordable flight options for your journey from Knoxville (TYS) to Reagan-National (DCA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 15, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $193 (American Airlines) |
One-way from | $95 (Southwest) |
Popular in | March |
Cheapest in | January |
Average price | $385 |
Good round-trip deal | $303 or less |
Good one-way deal | $183 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Knoxville to Reagan-National that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 15, 2026.
Use the filters below to find and compare flights from Knoxville to Washington, D.C. Reagan-National Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
KnoxvilleWashington, D.C.
TYS Knoxville McGhee Tyson - DCA Washington, D.C. Reagan-National
TYSDCA
Knoxville McGhee Tyson
Tue 11/10
7:05 am-3:40 pm
2 stops8h 35m
Washington, D.C. Reagan-National
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$112
KnoxvilleWashington, D.C.
TYS Knoxville McGhee Tyson - DCA Washington, D.C. Reagan-National
TYSDCA
Knoxville McGhee Tyson
Wed 10/14
7:15 am-5:55 pm
2 stops10h 40m
Washington, D.C. Reagan-National
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$165
KnoxvilleWashington, D.C.
TYS Knoxville McGhee Tyson - DCA Washington, D.C. Reagan-National
TYSDCA
Knoxville McGhee Tyson
Wed 11/11
7:05 am-3:40 pm
2 stops8h 35m
Washington, D.C. Reagan-National
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$189
Quickest round-trip
KnoxvilleWashington, D.C.
TYS Knoxville McGhee Tyson - DCA Washington, D.C. Reagan-National
TYSDCA
Knoxville McGhee Tyson
Sun 12/13
7:25 pm-10:55 pm
1 stop3h 30m
Washington, D.C. Reagan-National
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$204
KnoxvilleWashington, D.C.
TYS Knoxville McGhee Tyson - DCA Washington, D.C. Reagan-National
TYSDCA
Knoxville McGhee Tyson
Sat 9/26
6:50 am-12:30 pm
1 stop5h 40m
Washington, D.C. Reagan-National
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$205
KnoxvilleWashington, D.C.
TYS Knoxville McGhee Tyson - DCA Washington, D.C. Reagan-National
TYSDCA
Knoxville McGhee Tyson
Mon 11/9
7:22 pm-11:46 pm
1 stop4h 24m
Washington, D.C. Reagan-National
Sat 11/14
10:15 am-1:55 pm
1 stop3h 40m
$213
KnoxvilleWashington, D.C.
TYS Knoxville McGhee Tyson - DCA Washington, D.C. Reagan-National
TYSDCA
Knoxville McGhee Tyson
Wed 10/7
2:38 pm-8:39 pm
1 stop6h 01m
Washington, D.C. Reagan-National
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$214
KnoxvilleWashington, D.C.
TYS Knoxville McGhee Tyson - DCA Washington, D.C. Reagan-National
TYSDCA
Knoxville McGhee Tyson
Tue 10/6
2:38 pm-6:27 pm
1 stop3h 49m
Washington, D.C. Reagan-National
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$214
KnoxvilleWashington, D.C.
TYS Knoxville McGhee Tyson - DCA Washington, D.C. Reagan-National
TYSDCA
Knoxville McGhee Tyson
Wed 11/11
6:07 pm-10:45 pm
1 stop4h 38m
Washington, D.C. Reagan-National
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$224
KnoxvilleWashington, D.C.
TYS Knoxville McGhee Tyson - DCA Washington, D.C. Reagan-National
TYSDCA
Knoxville McGhee Tyson
Sat 11/14
2:40 pm-8:41 pm
1 stop6h 01m
Washington, D.C. Reagan-National
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$224
Showing 1-10 of 20 resultsSorted by cheapest first
Compare providers for flights from Knoxville to Reagan-National
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Knoxville to Reagan-National in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Knoxville-Washington, D.C. Reagan-National Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Knoxville-Washington, D.C. Reagan-National Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Knoxville-Washington, D.C. Reagan-National Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Knoxville-Washington, D.C. Reagan-National Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Knoxville-Washington, D.C. Reagan-National Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Knoxville to Reagan-National
Have a flexible travel schedule? Discover the best time to fly to Reagan-National from Knoxville with our price prediction graph.
TYS-DCA
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Knoxville to Washington, D.C. Reagan-National Airport
Prices
Airlines
What is the cheapest month to book a flight from Knoxville to Washington, D.C. Reagan-National Airport?
Currently, January is the cheapest month in which you can book a flight from Knoxville to Washington, D.C. Reagan-National Airport (average of $259). Flying from Knoxville to Washington, D.C. Reagan-National Airport in March is currently the most expensive (average of $392). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from TYS to DCA?
Find hourly flight availability from Knoxville to Reagan-National. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 15, 2026.
It’s optimal to fly from Knoxville to Washington, D.C. Reagan-National Airport in the afternoon. By choosing this option you can save up to 20% on the cost of your flight, compared to a flight at noon.
Reviews of airlines servicing Reagan-National
Get insights into the airlines that provide service to Reagan-National. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Reagan-National. Reviews last updated September 15, 2026.
See what other customers who have flown with American Airlines from Knoxville to Washington, D.C. Reagan-National Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.2
Boarding
7.4
Food
6.4
Overall
7.1
Crew
7.9
Entertainment
6.8
Reviews
1 / 20
8.0
ExcellentOlwin,Jul 2026
MCO - DCA
Comfort
7.2
Boarding
7.4
Food
6.4
Overall
7.1
Crew
7.9
Entertainment
6.8
Reviews
1 / 20
8.0
ExcellentOlwin,Jul 2026
MCO - DCA
Related info for your journey
Find useful and relevant information for your journey from Knoxville to Reagan-National. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Washington, D.C. Reagan-National Airport?
Book flights to Washington, D.C. Reagan-National Airport if you plan to visit one of these locationsAlexandria
Arlington
Owings Mills
Lanham
Tysons
Woodbridge
Reston
Herndon
Hyattsville
Rockville
Fredericksburg
Falls Church
Hanover
Laurel
Springfield
Oxon Hill
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Hunt Valley
Silver Spring
Largo
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Alternative routes for Knoxville to Reagan-National
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Knoxville and Reagan-National flights
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Other flights to Reagan-National
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Top airline flying from Knoxville to Reagan-National
Discover the top airline that operate flights from Knoxville to Reagan-National. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$186 | Average$303 | FlexibilityNo cancel fee | On-time71% |