Find Deals on Flights from Portland to Williston Sloulin Field Intl (PDX - ISN)

Depart
Return
1 adult
Adults
18-64
Seniors
65+
Youth
12-17
Child
2-11
Seat Infant
under 2
Lap Infant
under 2
The price shown for each flight will be the average for all passengers including any infants.
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Book cheap flights from Portland to Williston Sloulin Field Intl

(Round-trip)
Depart: Thu Oct 8 2015 Return: Tue Oct 13 2015 Trip spans 6 days
United
United
PDX
1:49p
ISN
6:48p
4h 59m
1 stop
ISN
2:05a
PDX
7:51a
5h 46m
1 stop
Depart: Wed Aug 26 2015 Return: Sun Aug 30 2015 Trip spans 5 days
Delta
Delta
PDX
3:19p
ISN
6:05a
14h 46m
2 stops
ISN
12:52p
PDX
9:21p
8h 29m
1 stop
Depart: Sun Oct 18 2015 Return: Sat Oct 24 2015 Trip spans 7 days
United
United
PDX
1:49p
ISN
6:48p
4h 59m
1 stop
ISN
2:05a
PDX
8:40a
30h 35m
2 stops
Depart: Sun Sep 13 2015 Return: Thu Sep 17 2015 Trip spans 5 days
United
United
PDX
1:30a
ISN
6:47a
5h 17m
1 stop
ISN
2:05a
PDX
8:00a
5h 55m
1 stop
Depart: Sat Aug 1 2015 Return: Mon Aug 3 2015 Trip spans 3 days
Delta
Delta
PDX
9:15a
ISN
3:46p
6h 31m
1 stop
ISN
8:35a
PDX
5:11p
8h 36m
1 stop
Airports
Origin

Portland
$328
Destination

Williston
$328