Business Class cabin
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🇺🇸 Phoenix Knoxville 🇺🇸

Frontier Airlines · 1 stop · 21h 31m

AI Deal Summary

Fly Frontier Airlines Business Class from Phoenix to Knoxville for $528 — around 50% below the typical $1,046. Tennessee city with Market Square, James White’s Fort & Museum of East Tennessee History. Market Square & James White’s Fort. Routes with 1 stop(s).

Price history

90-day observed prices. All-time low: $502.

Fare details

Booking class

Business Class (J)

Aircraft

Airbus A350-1000

Refundable

Non-refundable

Mileage earning

200% base miles

Carry-on

2 x 7kg

Checked baggage

2 x 32kg

Duration

21h 31m

Stops

1 stop

Airport lounges

Business Class LoungePremium Terminal Lounge

Visa requirements

Check visa requirements for United States. Many passports qualify for visa-on-arrival or eTA.

How to book

Open the deal on Google Flights, then book directly with the airline or a trusted OTA. Premium-cabin sale fares move fast — lock it in before the fare bucket sells out.

Comments (2)

Frequent FlyerJun 29, 2026

Booked this in Qsuite last week — routing was smooth and lounge access was included. Incredible value.

MilesJunkieJun 26, 2026

Note: fare buckets sold out fast on my dates, but flexible dates still showed availability.

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Business Class: Phoenix to Knoxville from $528 · FirstClassFlare