Earn point on your loyalty program!arrow arc left

Cheap flights from Knoxville (TYS) to Raleigh Durham (RDU)

Know your dates, get live prices in seconds
airplane logo

pin logo

calendar
Departure
calendar backward
Return
airplane logo
1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
Save up to 31%
Book Flight + Hotel at the same time

How to find the cheapest flight from Knoxville (TYS) to Raleigh Durham (RDU)

How to find the cheapest flight from Knoxville (TYS) to Raleigh Durham (RDU)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Knoxville (TYS) to Raleigh Durham (RDU)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Knoxville (TYS) to Raleigh Durham (RDU)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.

Cheap flights from Knoxville to Raleigh Durham in March , April 2026

23 Mar - 06 Apr $ 239.00
TYS
Knoxville
Allegiant Air
1 STOPS
RDU
Raleigh Durham
RDU
Raleigh Durham
Allegiant Air
1 STOPS
TYS
Knoxville
Pick dates
23 Mar - 13 Apr $ 240.00
TYS
Knoxville
Allegiant Air
1 STOPS
RDU
Raleigh Durham
RDU
Raleigh Durham
Allegiant Air
1 STOPS
TYS
Knoxville
Pick dates
26 Mar - 13 Apr $ 247.00
TYS
Knoxville
Allegiant Air
1 STOPS
RDU
Raleigh Durham
RDU
Raleigh Durham
Allegiant Air
1 STOPS
TYS
Knoxville
Pick dates

Last minute flights from Knoxville to Raleigh Durham

23 Mar - 01 Apr $ 206.00
TYS
Knoxville
Allegiant Air
1 STOPS
RDU
Raleigh Durham
RDU
Raleigh Durham
Allegiant Air
1 STOPS
TYS
Knoxville
Pick dates
26 Mar - 01 Apr $ 212.00
TYS
Knoxville
Allegiant Air
1 STOPS
RDU
Raleigh Durham
RDU
Raleigh Durham
Allegiant Air
1 STOPS
TYS
Knoxville
Pick dates
26 Mar - 01 Apr $ 219.00
TYS
Knoxville
Allegiant Air
1 STOPS
RDU
Raleigh Durham
RDU
Raleigh Durham
Allegiant Air
1 STOPS
TYS
Knoxville
Pick dates

One-way flights to Raleigh Durham from Knoxville

2:06 PM - 8:04 PM
Frontier Airlines
1 Stops
7h 50m
TYS - RDU
$ 108
Kiwi
Pick dates
7:00 AM - 4:29 PM
United Airlines
2 Stops
11h 15m
TYS - RDU
$ 443
Kiwi
Pick dates
7:25 PM - 10:33 PM
United Airlines
1 Stops
4h 19m
TYS - RDU
$ 637
Kiwi
Pick dates

How to find the cheapest flight from Knoxville (TYS) to Raleigh Durham (RDU)

Related info for your journey
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Knoxville (TYS) to Raleigh Durham (RDU)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Knoxville (TYS) to Raleigh Durham (RDU)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.