Knoxville to Chicago flights
Routavio compares airline fares from several flight booking sites. The lowest one-way fare it found for Knoxville to Chicago is €49 with Allegiant Air (checked on 21 Oct 2026).
Your next trip, last seen at €49
Lowest observedAllegiant Air · Non-stop · One wayWhen to fly
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The lowest fare we observed for each month. Open a month to see its days, then pick your outbound and return. A day with no price is one we will search for you.
One-way fare
- Lowest observed
- €49, departing 20 Nov 2026 (Last checked: 21 Oct 2026)One-way fareCheck live prices for this route
- Non-stop, one way
- €49, departing 20 Nov 2026 (Last checked: 21 Oct 2026)
- Airlines seen
- Allegiant Air, United Airlines, Frontier Airlines, JetBlue
- Reported fastest flight
- 1h 32m
- Non-stop
- Yes
About this route
Explore the fares we observed from Knoxville to Chicago. Prices move often, so pick your dates to see the latest options.
- Route distance
- 732 km
- Reported fastest flight
- 1h 32m
- Alternative airports
- CGX, DPA, MDW, PWK, RFD
Route-level information; individual journeys vary.
Published schedules report non-stop service with Allegiant Air, United Airlines. Check current timetables.
A clearer picture of your fare
If the observed fare for this date drops, we will email you. At most one message a day.
Non-stop airlines seen on this route
| Airline | Non-stop days / priced days | Fastest non-stop |
|---|---|---|
| Allegiant Air | 8 / 80 | |
| United Airlines | 7 / 80 |
Departure days with a non-stop fare checked in the last 14 days. A carrier listed here had a non-stop fare on at least 3 days; schedules may differ.
Airport to city: straight-line distance
- McGhee Tyson Airport (TYS) → Knoxville, city gazetteer reference point (35.9606, -83.9207): ≈ 18 km.
- Chicago Midway International Airport (MDW) → Chicago, city gazetteer reference point (41.8781, -87.6298): ≈ 14 km.
- Chicago O'Hare International Airport (ORD) → Chicago, city gazetteer reference point (41.8781, -87.6298): ≈ 25 km.
- Chicago Rockford International Airport (RFD) → Chicago, city gazetteer reference point (41.8781, -87.6298): ≈ 126 km.
Approximate distances calculated from coordinates, not road distances or travel times. These airports serve the city; they are not confirmed endpoints of an offer.
Lowest one-way fare we saw per airline
Cheapest airline from Knoxville to Chicago: Allegiant Air, from €49 (checked 21 Oct 2026).
| Airline | Lowest fare | Priced days |
|---|---|---|
| Allegiant Air | €49Nov 20, 2026 | 66 |
| Frontier Airlines | €83Dec 11, 2026 | 5 |
| United Airlines | €198Jan 1, 2027 | 8 |
One-way fares checked in the last 14 days. An airline listed here had a fare on at least 3 departure days. Each figure is the lowest we saw, not a guaranteed fare. Connecting itineraries are included; the date is the departure day of that fare.
Frequently asked
How much is a flight from Knoxville to Chicago?
The lowest fare Routavio has observed is €49, found on 21 Oct 2026. Prices move, so read it as a floor rather than a quote.
When is the cheapest month to fly from Knoxville to Chicago?
In our observations November 2026 is the cheapest month so far, at €49.
Are there direct flights from Knoxville to Chicago?
Yes. Published schedules report non-stop flights on this route with Allegiant Air, United Airlines.
Which airlines fly from Knoxville to Chicago?
Routavio has seen these carriers on the route: Allegiant Air, United Airlines, Frontier Airlines, JetBlue.
How long does the flight from Knoxville to Chicago take?
Across the 78 fares Routavio observed, the average journey time is 15h 33m, including any stops. Individual departures vary; the fastest observed flight is listed in the route facts above.
How many of the observed Knoxville to Chicago fares were non-stop?
15 of the 81 fares we observed were non-stop; the rest included at least one stop. That describes our observations, not every flight that operates.
How much is a non-stop flight from Knoxville to Chicago?
Cheapest non-stop one-way fare: €49, departing 20 Nov 2026 (checked 21 Oct 2026).
Which airlines had non-stop offers on at least 3 departure dates from Knoxville to Chicago?
For Knoxville to Chicago, examples of observed one-way non-stop offers checked within the last 14 days: Allegiant Air (8), United Airlines (7). Each number counts distinct departure dates, not weekly flights; check current availability in search.
Which airline has the lowest fare from Knoxville to Chicago?
Cheapest airline from Knoxville to Chicago: Allegiant Air, from €49 (checked 21 Oct 2026).
How observed prices work, what "No data" means and what a fare includes: Read the flight price guide · Price and schedule freshness on Routavio
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Recently observed fares. Prices may change.