FFL Helper
Johnstown JST
$93
IAD → JST · United Airlines
FFL Helper / Washington / Johnstown / September 2026
WAS → JST · 2026-09
Washington to Johnstown in September 2026
Dated one-way fares from Washington to Johnstown in September 2026. Use the calendar to see which days are cheaper.
Lowest this month
$93
Highest this month
$93
Sample fare
$93
Airports
IAD–JST
Ad. Ticket links are affiliate ads. We may earn a commission if you book. Advertising disclosure
Other months: September 2026 · Full route
September 2026 price calendar
September 2026
From $93
Mon
Tue
Wed
Thu
Fri
Sat
Sun
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
$93
26
27
28
29
30
Dated fares
Booking WAS to JST in September 2026
This page is only September 2026 on the Washington to Johnstown route. Open the full route if you want the next months side by side.
Prices move as seats sell. Confirm the live itinerary before you book Washington to Johnstown in September 2026.