Flights Detroit → Knoxville/Maryville
As of November 2026, economy flights from Detroit to Knoxville/Maryville have a typical range USD 399–616, median USD 502. Full range across all 204 offers: USD 360–953. We analyzed 204 offers from 6 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: Detroit → Knoxville/Maryville
Based on 204 offers · November 2026. Prices and availability change — run a live search to confirm.
Bag & seat fees: Detroit → Knoxville/Maryville
Add-on pricing from the cheapest available offer per airline · November 2026 · USD
| Airline | Carry-on | Checked bag | Seat selection |
|---|---|---|---|
| Southwest | — | USD 90 | — |
| Delta | Included | USD 35 | — |
| American Airlines | Included | USD 35 | — |
| American | — | USD 110 | — |
| Southwest Airlines | Included | Included | — |
| United | Included | USD 35 | — |
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 Detroit to Knoxville/Maryville cost?
Based on 204 offers · November 2026
Detroit to Knoxville/Maryville flights ranged from USD 360 to USD 953 across 204 offers analyzed in November 2026. The chart below shows how prices distributed across all 204 offers.
These 204 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 463 and USD 539
What hidden fees do Detroit to Knoxville/Maryville flights charge?
Ancillary fees — bags, seat selection, and payment surcharges — can add 10–25% to the base fare on Detroit to Knoxville/Maryville routes. The breakdown below is based on 204 offers analyzed in November 2026.
| Carrier | Avg fee (USD) | % of base fare |
|---|---|---|
| Southwest | 90 | 24% |
| DL | 43 | 8% |
| AA | 45 | 9% |
| American | 110 | 25% |
| WN | 33 | 6% |
| UA | 45 | 9% |
American: base ~USD 326 + fees USD 110 = ~USD 436 total. Southwest Airlines: base ~USD 477 + fees USD 33 = ~USD 510 total.
American's USD 110 ancillary fees narrow the gap with Southwest Airlines's lower-fee model — the USD 151 base difference shrinks to USD 74 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.Fee levels vary significantly across carriers on this route — some carriers charge 50%+ above the base fare in ancillary fees.
Run your search to see itemized fees for your itineraryWhich airline is cheapest from Detroit to Knoxville/Maryville?
6 airlines flew Detroit 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.
Even on the cheapest airline (Southwest), fares ranged USD 360–386 in this snapshot. Your exact price depends on your dates and how far ahead you book — run a live search to see your number →
| Airline | Offers | Typical range (USD) | Median (USD) | Fees (USD) |
|---|---|---|---|---|
 Southwest | 4 | 360–386 | 371 | 90 (24%) |
 American | 13 | 399–503 | 436 | 110 (25%) |
 American Airlines | 78 | 435–539 | 502 | 45 (9%) |
 United Airlines | 34 | 474–533 | 504 | 45 (9%) |
 Southwest Airlines | 35 | 441–679 | 510 | 33 (7%) |
 Delta Air Lines | 40 | 369–863 | 548 | 43 (8%) |
Where do the best Detroit → 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: Detroit to Knoxville/Maryville flights
- Full-service carriers on Detroit–Knoxville/Maryville cost 1.1x more than budget airlines (USD 498 vs USD 440 median; overall median USD 502).
- American charges 3.3x more in ancillary fees than WN — USD 110 vs USD 33 avg per booking.
- The same route priced USD 221 apart depending on where it was booked — the lowest median was USD 435. 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 Detroit to Knoxville/Maryville cost?
- Based on 204 offers analyzed, Detroit to Knoxville/Maryville flights range from USD 360 to USD 953, with a median price of USD 502. Search for your specific dates →
- What hidden fees should I expect on Detroit to Knoxville/Maryville flights?
- On average, ancillary fees (bags, seat selection) add USD 48 to the base fare on Detroit to Knoxville/Maryville flights. See itemized fees for your itinerary →
- Which airline is cheapest on Detroit to Knoxville/Maryville including all fees?
- Southwest has the lowest median fare on Detroit to Knoxville/Maryville at USD 371 (median across 4 offers in our snapshot). Check which airline wins on your dates →
- Which booking site has the cheapest Detroit–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 435. Run a live search and we'll find the cheapest for you →
- Why do prices vary so much on Detroit to Knoxville/Maryville routes?
- Detroit to Knoxville/Maryville has 6 airlines competing, creating a price range from USD 360 to USD 953 across 204 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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