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Cheap Flights from Houston to Williston (HOU - ISN)

DepartReturn
1 adult
Note: some airlines charge for infants in laps.
The price shown for each flight will be the average for all passengers including any infants.
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Best fares from HOU to ISN (Found by others)

Sun Mon Tue Wed Thu Fri Sat
          1 $748 2
$748
3
$748
4 $800 5
$800
6 $724 7
$724
8
$724
9
$724
10
$724
11 $760 12
$760
13
$760
14
$760
15 $633 16
$633
17
$633
18
$633
19
$633
20
$633
21
$633
22
$633
23
$633
24
$633
25 $703 26
$703
27
$703
28
$703
29
$703
30
$703
31 $557            
KAYAK searches hundreds of sites to find the best rate for your next flight from Houston to Williston. Get the best flight deal for your Williston trip!
Here's how it works. Search KAYAK for a flight ticket from Houston to Williston. Sort, filter and compare results on one web page. Then book your plane ticket direct on the airline or travel agent site of your choice!
Select an airline:  United
Direct flights HOU to ISN on United
Flight # Depart IAH Arrive ISN Sun Mon Tue Wed Thu Fri Sat Valid Between
4649 9:40 am 1:18 pm Aug 19 - Aug 31
4649 9:40 am 1:18 pm Sep 2 - Sep 19
4649 10:03 am 1:41 pm Sep 1 - Sep 1