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

Depart
Return
1 adult
Adults
18-64
Seniors
65+
Youths
12-17
Children
2-11
Seat Infants
under 2
Lap Infants
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 Aug 18 2016 Return: Mon Aug 22 2016 Trip spans 5 days
United
United
PDX
1:30a
ISN
6:49a
5h 19m
1 stop
ISN
9:30a
PDX
2:53p
5h 23m
1 stop
Depart: Fri May 13 2016 Return: Mon May 16 2016 Trip spans 4 days
Major Airline
Major Airline
PDX
4:06a
ISN
10:48a
6h 42m
1 stop
ISN
1:18p
PDX
6:41p
5h 23m
1 stop
Depart: Fri Aug 19 2016 Return: Mon Aug 22 2016 Trip spans 4 days
United
United
PDX
1:30a
ISN
6:49a
5h 19m
1 stop
ISN
9:30a
PDX
2:53p
5h 23m
1 stop
Depart: Thu Aug 25 2016 Return: Mon Aug 29 2016 Trip spans 5 days
United
United
PDX
3:58a
ISN
10:54a
6h 56m
1 stop
ISN
9:30a
PDX
2:53p
5h 23m
1 stop
Depart: Fri Aug 26 2016 Return: Mon Aug 29 2016 Trip spans 4 days
United
United
PDX
1:30a
ISN
6:49a
5h 19m
1 stop
ISN
1:15p
PDX
6:29p
5h 14m
1 stop
Depart: Sat Aug 27 2016 Return: Mon Aug 29 2016 Trip spans 3 days
United
United
PDX
3:58a
ISN
10:54a
6h 56m
1 stop
ISN
9:30a
PDX
2:53p
5h 23m
1 stop
Depart: Sat Aug 20 2016 Return: Mon Aug 22 2016 Trip spans 3 days
United
United
PDX
3:58a
ISN
10:54a
6h 56m
1 stop
ISN
1:15p
PDX
6:29p
5h 14m
1 stop
Depart: Sun Aug 28 2016 Return: Mon Aug 29 2016 Trip spans 2 days
United
United
PDX
1:30a
ISN
6:49a
5h 19m
1 stop
ISN
1:15p
PDX
6:29p
5h 14m
1 stop
Depart: Thu May 12 2016 Return: Fri May 13 2016 Trip spans 2 days
Major Airline
Major Airline
PDX
9:10p
ISN
3:03a
5h 53m
1 stop
ISN
9:18a
PDX
3:56a
18h 38m
2 stops
Depart: Thu Jul 14 2016 Return: Thu Jul 21 2016 Trip spans 8 days
United
United
PDX
1:24a
ISN
7:00a
5h 36m
1 stop
ISN
1:20p
PDX
5:45a
16h 25m
2 stops
Depart: Wed Aug 17 2016 Return: Sun Aug 21 2016 Trip spans 5 days
United
United
PDX
1:30a
ISN
6:49a
5h 19m
1 stop
ISN
9:30a
PDX
2:53p
5h 23m
1 stop
Depart: Wed Aug 24 2016 Return: Sat Aug 27 2016 Trip spans 4 days
United
United
PDX
1:30a
ISN
6:49a
5h 19m
1 stop
ISN
4:00a
PDX
11:29a
7h 29m
1 stop
Depart: Tue Aug 16 2016 Return: Sun Aug 21 2016 Trip spans 6 days
United
United
PDX
1:50p
ISN
6:49a
16h 59m
1 stop
ISN
9:30a
PDX
2:53p
5h 23m
1 stop
Depart: Tue Aug 23 2016 Return: Sat Aug 27 2016 Trip spans 5 days
United
United
PDX
1:50p
ISN
6:49a
16h 59m
1 stop
ISN
4:00a
PDX
11:29a
7h 29m
1 stop
Depart: Mon Aug 15 2016 Return: Sat Aug 20 2016 Trip spans 6 days
United
United
PDX
2:24p
ISN
6:49a
16h 25m
1 stop
ISN
4:00a
PDX
11:29a
7h 29m
1 stop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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Airports
Origin

Portland
$334
Destination

Williston
$334
Airlines