Flights Dulles → Knoxville/Maryville
As of November 2026, economy flights from Dulles to Knoxville/Maryville have a typical range USD 293–936, median USD 439. Full range across all 66 offers: USD 94–2195. We analyzed 66 offers from 8 airlines in a single price check.
Preview snapshot — prices change. Search for live results.
Data collected by LetsFG's multi-source price checks — every airline and the major booking sites checked for this route. How we collect data →
Best offers by airline: Dulles → Knoxville/Maryville
Based on 66 offers · November 2026. Prices and availability change — run a live search to confirm.
Bag & seat fees: Dulles → Knoxville/Maryville
Add-on pricing from the cheapest available offer per airline · November 2026 · USD
| Airline | Carry-on | Checked bag | Seat selection |
|---|---|---|---|
| Allegiant Air | — | — | — |
| United | Included | USD 35 | — |
| Delta | Included | USD 35 | — |
| United | — | USD 50 | — |
| Delta | — | USD 45 | — |
| American Airlines | Included | USD 35 | — |
| American | — | USD 50 | — |
| Qatar Airways | — | Included | — |
Fees are estimates from the prices we checked and may not reflect your specific itinerary, booking class, or payment method. Run a live search for exact pricing.
How much do flights from Dulles to Knoxville/Maryville cost?
Based on 66 offers · November 2026
Dulles to Knoxville/Maryville flights ranged from USD 94 to USD 2195 across 66 offers analyzed in November 2026. The chart below shows how prices distributed across all 66 offers.
These 66 offers (November 2026) span multiple departure dates and booking windows — your travel dates may fall anywhere in this distribution. Only a live search shows where your specific trip lands.
50% of offers priced between USD 294 and USD 754
What hidden fees do Dulles to Knoxville/Maryville flights charge?
Ancillary fees — bags, seat selection, and payment surcharges — can add 10–25% to the base fare on Dulles to Knoxville/Maryville routes. The breakdown below is based on 66 offers analyzed in November 2026.
| Carrier | Avg fee (USD) | % of base fare |
|---|---|---|
| G4 | 12 | 13% |
| UA | 35 | 7% |
| DL | 32 | 9% |
| United | 56 | 9% |
| Delta | 45 | 13% |
| AA | 45 | 6% |
| American | 50 | 7% |
| QR | 20 | 1% |
United: base ~USD 733 + fees USD 56 = ~USD 789 total. Qatar Airways: base ~USD 2175 + fees USD 20 = ~USD 2195 total.
United's USD 56 ancillary fees narrow the gap with Qatar Airways's lower-fee model — the USD 1442 base difference shrinks to USD 1406 after fees. Always compare total cost, not just the advertised base fare.
Estimates based on median total minus average ancillary fee. Actual base fares vary by itinerary.United charges 4.6x more in ancillary fees than G4 on this route. Compare total-cost options when booking.
Run your search to see itemized fees for your itineraryWhich airline is cheapest from Dulles to Knoxville/Maryville?
8 airlines flew Dulles to Knoxville/Maryville in this dataset. Knowing the airline isn't enough — the typical fare range below shows how far prices swing on each one. Median and range include all fees we recorded.
| Airline | Offers | Typical range (USD) | Median (USD) | Fees (USD) |
|---|---|---|---|---|
 Allegiant Air | 1 | — | 94 | 12 (13%) |
 United Airlines | 13 | 283–649 | 293 | 35 (12%) |
 Delta | 1 | — | 360 | 45 (13%) |
 Delta Air Lines | 22 | 293–409 | 384 | 32 (8%) |
 American Airlines | 9 | 491–938 | 491 | 45 (9%) |
 American | 8 | 492–941 | 659 | 50 (8%) |
 United | 9 | 294–921 | 789 | 56 (7%) |
 Qatar Airways | 3 | — | 2195 | 20 (1%) |
Where do the best Dulles → Knoxville/Maryville prices come from?
We checked direct airlines, travel agencies, and meta-search for this route. On this route the lowest median came from meta-search sources, but the cheapest channel shifts by route and date — which is exactly why a live search across all of them wins.
We compare every airline and the major booking sites but never disclose which — that's our edge. Prices are the ones we observed and aren't official data from any platform. Run a live search and we bring you the cheapest, wherever it is.
Key facts: Dulles to Knoxville/Maryville flights
- Full-service carriers on Dulles–Knoxville/Maryville cost 7.9x more than budget airlines (USD 739 vs USD 94 median; overall median USD 439).
- United charges 4.6x more in ancillary fees than G4 — USD 56 vs USD 12 avg per booking.
- The same route priced USD 1869 apart depending on where it was booked — the lowest median was USD 326. We search every airline and the major booking sites at once so you always see that lowest price.
Frequently asked questions
- How much does a flight from Dulles to Knoxville/Maryville cost?
- Based on 66 offers analyzed, Dulles to Knoxville/Maryville flights range from USD 94 to USD 2195, with a median price of USD 439. Search for your specific dates →
- What hidden fees should I expect on Dulles to Knoxville/Maryville flights?
- On average, ancillary fees (bags, seat selection) add USD 39 to the base fare on Dulles to Knoxville/Maryville flights. See itemized fees for your itinerary →
- Which airline is cheapest on Dulles to Knoxville/Maryville including all fees?
- Allegiant Air has the lowest median fare on Dulles to Knoxville/Maryville at USD 94 (median across 1 offers in our snapshot). Check which airline wins on your dates →
- Which booking site has the cheapest Dulles–Knoxville/Maryville flights?
- It depends on your dates — no single site is always cheapest. We search every airline and the major booking sites at once (travel agencies and meta-search included) and surface whichever is lowest; the best median in this snapshot was USD 326. Run a live search and we'll find the cheapest for you →
- Why do prices vary so much on Dulles to Knoxville/Maryville routes?
- Dulles to Knoxville/Maryville has 8 airlines competing, creating a price range from USD 94 to USD 2195 across 66 offers. Prices on this route change with booking timing, advance purchase, and ancillary add-ons. Find where your trip lands in the distribution →
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