Find Cheap 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.
Compare vs. KAYAK all | none
Browse Origins:
Browse Destinations:

Dates flexible? Here are the best fares found in the past 48 hours...

Book cheap flights from Portland to Williston Sloulin Field Intl

(Round-trip)
Depart: Fri Aug 11 2017 Return: Mon Aug 14 2017 Trip spans 4 days
United
United
PDX
1:20a
ISN
7:11a
5h 51m
1 stop
ISN
1:15p
PDX
6:55p
5h 40m
1 stop
Depart: Tue Aug 15 2017 Return: Mon Aug 21 2017 Trip spans 7 days
Delta
Delta
PDX
12:30p
ISN
6:03a
17h 33m
2 stops
ISN
8:30a
PDX
9:41p
13h 11m
2 stops
Depart: Thu Aug 17 2017 Return: Sun Aug 20 2017 Trip spans 4 days
United
United
PDX
11:45a
ISN
4:47p
5h 02m
1 stop
ISN
1:16p
PDX
9:48p
8h 32m
1 stop
Depart: Thu Aug 10 2017 Return: Mon Aug 14 2017 Trip spans 5 days
United
United
PDX
11:45a
ISN
4:54p
5h 09m
1 stop
ISN
9:43a
PDX
3:14p
5h 31m
1 stop
Depart: Wed Aug 16 2017 Return: Sun Aug 20 2017 Trip spans 5 days
United
United
PDX
1:18p
ISN
10:46a
21h 28m
2 stops
ISN
1:16p
PDX
9:48p
8h 32m
1 stop
Depart: Thu Jun 29 2017 Return: Sun Jul 2 2017 Trip spans 4 days
United
United
PDX
2:00a
ISN
7:01a
5h 01m
1 stop
ISN
9:43a
PDX
3:17p
5h 34m
1 stop
Depart: Mon Aug 14 2017 Return: Mon Aug 21 2017 Trip spans 8 days
Delta
Delta
PDX
6:15a
ISN
6:03a
23h 48m
2 stops
ISN
8:30a
PDX
9:41p
13h 11m
2 stops
Depart: Sat Aug 12 2017 Return: Mon Aug 14 2017 Trip spans 3 days
United
United
PDX
3:43a
ISN
4:54p
13h 11m
2 stops
ISN
1:15p
PDX
6:55p
5h 40m
1 stop
Depart: Sun Aug 13 2017 Return: Fri Aug 18 2017 Trip spans 6 days
United
United
PDX
1:50a
ISN
4:54p
15h 04m
1 stop
ISN
1:16p
PDX
9:48p
8h 32m
1 stop
Depart: Tue Aug 1 2017 Return: Thu Aug 3 2017 Trip spans 3 days
United
United
PDX
1:29p
ISN
10:45a
21h 16m
2 stops
ISN
1:15p
PDX
8:49a
19h 34m
2 stops
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

We attempt to get accurate prices, however, prices are not guaranteed.

Here's why:

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

We compile tonnes of data for you
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.

If you have more questions or if you have a bad price to report to us,
please send us an email and someone from our team will get back to you promptly.

Airports
Origin

Portland
$426
Destination

Williston
$426