Route guide · 436 miles
Cheap Flights from Washington to Knoxville
DCA → TYS · Nonstop 1h 23m · Live round-trip fares
If Knoxville is next on your list, here's the honest picture on fares from Washington. The trip covers about 436 miles and takes roughly 1h 23m in the air. Prices on this route reward planners: booking 2–4 weeks ahead is the sweet spot, and the lowest fares tend to sell out fast.
Live fares for DCA → TYS are updating. Use the search below for real-time prices.
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See live fares
Updated daily
Flight time
1h 23m
Nonstop, typical
Distance
436 mi
DCA → TYS
Book ahead
2–4 weeks
Best window, typically
Nonstop airlines
1
American Airlines
Nonstop flights from Washington to Knoxville
Want to skip the layover? Nonstops from Washington to Knoxville are flown by American Airlines, getting you there in about 1h 23m. For the lowest fares, book around 2–4 weeks before departure — last-minute nonstops on this route rarely come cheap.
Booking insights: Washington → Knoxville
- Distance: 436 miles · nonstop flight time: 1h 23m.
- Cheapest upcoming week in the live data starts around Oct 15, with fares from $206.
- Rule of thumb for this route: the sweet spot is usually 2–4 weeks before departure.
- If your dates flex by a day or two, shifting to a midweek departure is the easiest saving there is.
- Set a free Airfare Deal alert instead of checking daily — the best fares can sell out in hours.
Price trend
Cheapest departure weeks ahead
Near-term departures around Oct 15 are currently the cheapest on this route. Based on recent fares found for this route; prices change quickly.
Cheapest month · Washington → Knoxville
October 2026
Every date's recent round-trip fare, at a glance.
Fares from
$206
Cheapest: Mon, Oct 19 — $206 · Priciest: Oct 22 — $279
Get this fare →Recent fares found for specific dates in October 2026. Blank days had no recent fare in our data — ask our team and we'll check them for you.
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Flying from Washington to Knoxville: what you need to know
The flight
Washington to Knoxville is a short hop — 436 miles, about 1h 23m gate to gate on a nonstop. You'll spend almost as long taxiing and boarding as you will in the air, so the real time-saver on this route is picking flight times that dodge rush hour at both ends.
Airlines on this route
American Airlines flies this route nonstop. That matters more than it sounds: the cheapest fare on one carrier is rarely the same product as the cheapest on another. Checked-bag fees, free seat selection and change rules all differ, so compare the full trip cost before you pick a winner. See our airline guides for exactly what each carrier charges — then send an enquiry and we'll confirm the all-in price for your dates.
Leaving from Washington (DCA)
Plan to be at the airport two hours before a domestic departure — ninety minutes can work at smaller airports outside peak times, but security lines are the one variable you can't control. If you're checking a bag, add time rather than cutting it close. Our Washington airport guide covers terminals, parking and ground transport so you can plan the trip to the airport, not just the flight.
Arriving in Knoxville (TYS)
Before you land, know how you're getting from the airport to where you're staying — it's the part of the trip people forget to plan. The Knoxville airport guide lays out your ground options, from transit and shuttles to rideshares and rental cars. Flying back the other way? Check Knoxville to Washington fares — prices on the return direction often move on a different rhythm.
When to book
For a trip of 436 miles, booking 2–4 weeks ahead typically lands you in the sweet spot. Leave it to the final two weeks and prices usually climb as the cheapest seats sell out. If your dates are flexible, midweek departures are where the lower fares hide on most domestic routes.
Good to know before you go
- Morning flights are delayed less often than evening ones — earlier departures have the best on-time record.
- Basic economy fares often exclude checked bags and seat selection. Price the whole trip, not the headline fare.
- Get to the airport two hours before departure; security, not the flight, is the part that runs late.
- If you're traveling with only a carry-on, you can skip the bag-drop line entirely with mobile check-in.
- Download the airline's app before you fly; gate changes and delays show up there first.
Washington to Knoxville flight FAQs
How long is the flight from DCA to TYS?
Nonstop flights from Washington to Knoxville take about 1h 23m and cover roughly 436 miles. One-stop itineraries add 2–4 hours depending on the layover city.
Are there nonstop flights from Washington to Knoxville?
Yes — look for American Airlines on this route. Nonstop seats are usually priced best 2–4 weeks before departure.
What is the cheapest month to fly from Washington to Knoxville?
Travelers usually find the gentlest prices away from peak periods — think post-holiday January and the early-fall weeks. Midweek dates inside those windows are cheaper still.
How much are last minute flights from DCA to TYS?
Walking up to this route at the last minute is the expensive way to do it — prices inside 7 days of departure climb fast. The 2–4 weeks booking window is where the value sits.
What is a good round-trip deal from Washington to Knoxville?
A good deal is anything at or below the recent fares shown above. Set a free Airfare Deal alert and we'll ping you the moment fares drop.
Which airlines fly from Washington to Knoxville?
The main carriers on this route are American Airlines. Comparing all of them on the live search below usually surfaces the lowest fare for your dates.
How early should I get to Washington airport for this flight?
Plan on two hours before departure for a domestic flight — ninety minutes can work at smaller airports outside peak times. If you're checking a bag, earlier is better; the bag-drop line, not the flight, is what runs late.
Do the cheapest fares on this route include a checked bag?
Usually not. Basic economy fares on most airlines include a carry-on but charge extra for checked bags, and seat selection can cost more too. Add up the real total before comparing — a slightly higher regular fare sometimes works out cheaper. Our team confirms the full breakdown with you before you pay.
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