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: Sat Feb 25 2017 Return: Tue Feb 28 2017 Trip spans 4 days
United
United
PDX
12:30a
ISN
5:49a
5h 19m
1 stop
ISN
12:15p
PDX
6:02p
5h 47m
1 stop
Depart: Thu Nov 17 2016 Return: Tue Nov 29 2016 Trip spans 13 days
United
United
PDX
10:48a
ISN
3:42p
4h 54m
1 stop
ISN
8:30a
PDX
2:21p
5h 51m
1 stop
Depart: Fri Nov 18 2016 Return: Tue Nov 29 2016 Trip spans 12 days
United
United
PDX
12:10a
ISN
6:00a
5h 50m
1 stop
ISN
12:22p
PDX
5:59p
5h 37m
1 stop
Depart: Fri Oct 7 2016 Return: Sun Oct 9 2016 Trip spans 3 days
United
United
PDX
11:43a
ISN
4:41p
4h 58m
1 stop
ISN
1:59p
PDX
9:59p
8h 00m
1 stop
Depart: Sat Nov 19 2016 Return: Tue Nov 29 2016 Trip spans 11 days
United
United
PDX
12:10a
ISN
6:00a
5h 50m
1 stop
ISN
8:30a
PDX
2:21p
5h 51m
1 stop
Depart: Sun Nov 20 2016 Return: Tue Nov 29 2016 Trip spans 10 days
United
United
PDX
12:10a
ISN
6:00a
5h 50m
1 stop
ISN
8:30a
PDX
2:21p
5h 51m
1 stop
Depart: Mon Nov 21 2016 Return: Tue Nov 29 2016 Trip spans 9 days
United
United
PDX
3:22a
ISN
9:52a
6h 30m
1 stop
ISN
8:30a
PDX
2:21p
5h 51m
1 stop
Depart: Wed Nov 23 2016 Return: Tue Nov 29 2016 Trip spans 7 days
United
United
PDX
12:10a
ISN
6:00a
5h 50m
1 stop
ISN
8:30a
PDX
2:21p
5h 51m
1 stop
Depart: Tue Nov 22 2016 Return: Tue Nov 29 2016 Trip spans 8 days
United
United
PDX
12:10a
ISN
6:00a
5h 50m
1 stop
ISN
12:22p
PDX
5:59p
5h 37m
1 stop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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At KAYAK we don’t set the prices, so it’s not possible for us to guarantee what other companies are selling.

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Our service lets you quickly and easily compare results from hundreds of travel sites at once. In this sense, KAYAK is a search engine and we can't guarantee prices we find.

Why aren’t prices accurate 100% of the time?
Prices on airline seats, hotel rooms and car rentals can change frequently. Several people may also be trying to buy the same travel option simultaneously. As a result, you may find, on occasion, that certain prices are no longer available.

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Airports
Origin

Portland
$346
Destination

Williston
$346
Airlines