FFL Helper
Bellingham BLI
$340
BOI → BLI · Frontier Airlines
FFL Helper / Boise / Bellingham / August 2026
BOI → BLI · 2026-08
Boise to Bellingham in August 2026
Dated one-way fares from Boise to Bellingham in August 2026. Use the calendar to see which days are cheaper.
Lowest this month
$340
Highest this month
$340
Sample fare
$340
Airports
BOI–BLI
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Other months: August 2026 · September 2026 · Full route
August 2026 price calendar
August 2026
From $340
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
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27
$340
28
29
30
31
Dated fares
Booking BOI to BLI in August 2026
This page is only August 2026 on the Boise to Bellingham 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 Boise to Bellingham in August 2026.