Earn point on your loyalty program!arrow arc left

Cheap flights from Islip (ISP) 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 Islip (ISP) to Raleigh Durham (RDU)

How to find the cheapest flight from Islip (ISP) 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 Islip (ISP) 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 Islip (ISP) 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 Islip to Raleigh Durham in April , May 2026

25 Apr - 13 May $ 118.00
ISP
Islip
BREEZE
DIRECT
RDU
Raleigh Durham
RDU
Raleigh Durham
BREEZE
DIRECT
ISP
Islip
Pick dates
13 Apr - 06 May $ 138.00
ISP
Islip
BREEZE
DIRECT
RDU
Raleigh Durham
RDU
Raleigh Durham
BREEZE
DIRECT
ISP
Islip
Pick dates
13 Apr - 08 May $ 148.00
ISP
Islip
BREEZE
DIRECT
RDU
Raleigh Durham
RDU
Raleigh Durham
BREEZE
DIRECT
ISP
Islip
Pick dates

Last minute flights from Islip to Raleigh Durham

25 Apr - 01 May $ 208.00
ISP
Islip
Frontier Airlines
DIRECT
RDU
Raleigh Durham
RDU
Raleigh Durham
Frontier Airlines
1 STOPS
ISP
Islip
Pick dates
22 Apr - 01 May $ 208.00
ISP
Islip
Frontier Airlines
DIRECT
RDU
Raleigh Durham
RDU
Raleigh Durham
Frontier Airlines
1 STOPS
ISP
Islip
Pick dates
18 Apr - 01 May $ 219.00
ISP
Islip
Frontier Airlines
DIRECT
RDU
Raleigh Durham
RDU
Raleigh Durham
Frontier Airlines
1 STOPS
ISP
Islip
Pick dates

One-way flights to Raleigh Durham from Islip

11:50 AM - 11:50 AM
BREEZE
0 Stops
1h 43m
ISP - RDU
$ 59
Kiwi
Pick dates
2:31 PM - 2:31 PM
BREEZE
0 Stops
1h 43m
ISP - RDU
$ 79
Kiwi
Pick dates
11:50 AM - 11:50 AM
BREEZE
0 Stops
1h 43m
ISP - RDU
$ 95
Kiwi
Pick dates

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