Find Cheap Flights from Seattle/Tacoma Intl to Williston Sloulin Field Intl (SEA - 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 Seattle/Tacoma Intl to Williston Sloulin Field Intl

(Round-trip)
Depart: Fri Aug 18 2017 Return: Sun Aug 20 2017 Trip spans 3 days
United
United
SEA
9:03a
ISN
4:54p
7h 51m
1 stop
ISN
1:16p
SEA
9:56p
8h 40m
1 stop
Depart: Thu Jul 20 2017 Return: Mon Jul 24 2017 Trip spans 5 days
Delta
Delta
SEA
9:00p
ISN
6:00a
9h 00m
1 stop
ISN
8:30a
SEA
6:00p
9h 30m
1 stop
Depart: Sun Dec 24 2017 Return: Sun Dec 31 2017 Trip spans 8 days
United
United
SEA
3:00a
ISN
9:54a
6h 54m
1 stop
ISN
12:15p
SEA
5:41p
5h 26m
1 stop
Depart: Fri Jul 21 2017 Return: Tue Jul 25 2017 Trip spans 5 days
United
United
SEA
11:26a
ISN
4:54p
5h 28m
1 stop
ISN
9:43a
SEA
11:00p
13h 17m
2 stops
Depart: Fri Jun 23 2017 Return: Fri Jun 30 2017 Trip spans 8 days
Delta
Delta
SEA
7:29a
ISN
4:46p
9h 17m
1 stop
ISN
8:25a
SEA
5:58p
9h 33m
1 stop
Depart: Thu Aug 3 2017 Return: Fri Aug 11 2017 Trip spans 9 days
United
United
SEA
9:00a
ISN
4:54p
7h 54m
1 stop
ISN
1:15p
SEA
11:00p
9h 45m
2 stops
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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Here's why:

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Airports
Origin

Seattle
$426
Destination

Williston
$426