Cheap flights from Knoxville to Detroit

One-way fares from $220 · TYS → DTT · prices found by travellers in the last 48 hours

Compare all dates Detroit → Knoxville
Cheapest fare
$220

Allegiant Air · Thu, Nov 5

Cheapest month
November

from $220

Direct flights
Not recently

Usually 1+ stop

Quickest trip
5h 16m

710 km

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Cheapest month to fly from Knoxville to Detroit

Lowest one-way fare per person in each month. Choose a month to see every date.

  1. November 2026 Cheapest $220

Cheapest dates in November 2026

The lowest fares we've seen for each day, cheapest first.

Allegiant Air
Depart08:55 Thu, Nov 5TYS → DTW 5h 16m · 1 stop
$220one way, per person
View deal
Allegiant Air
Depart10:55 Wed, Nov 4TYS → DTW 5h 16m · 1 stop
$233one way, per person
View deal
See every date in November 2026 →

Plan the rest of your trip to Detroit

Where to stay, what to do and getting around, from our travel partners.

Where to stay

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Things to do

Things to do in DetroitTours, attractions and day trips on Klook Explore →

Getting around

Airport transfer in DetroitPre-book a driver to meet you at arrivals, with Kiwitaxi Book a transfer → Car hire in DetroitCompare rental cars from major brands on EconomyBookings Compare cars →

About flights from Knoxville to Detroit

Knoxville (TYS) and Detroit (DTT) are about 710 km apart. We haven't seen direct fares on this route recently, so expect at least one stop; the quickest journey we've seen takes about 5h 16m. Over the next few months, one-way fares start from $220, and November 2026 is currently the cheapest month to fly.

These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.

Frequently asked questions

How much is a flight from Knoxville to Detroit?

The cheapest one-way fare we've seen recently is $220 with Allegiant Air, departing Thursday, November 5, 2026.

What is the cheapest month to fly from Knoxville to Detroit?

November 2026 currently has the lowest fares, from $220 one way.

Are there direct flights from Knoxville to Detroit?

We haven't seen direct fares recently, so most journeys include at least one stop.

How long is the flight from Knoxville to Detroit?

The quickest journey we've seen takes about 5h 16m. Knoxville and Detroit are around 710 km apart.

Which airlines fly from Knoxville to Detroit?

Recent fares on this route were with Allegiant Air.

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