FFL Helper

FFL Helper / Buffalo / Denver / September 2026

BUF → DEN · 2026-09

Buffalo to Denver in September 2026

Dated one-way fares from Buffalo to Denver in September 2026. Use the calendar to see which days are cheaper.

Lowest this month $178
Highest this month $181
Sample fare $178
Airports BUF–DEN
Search September 2026 tickets

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 $178 · up to $181

Mon
Tue
Wed
Thu
Fri
Sat
Sun
1
2
3 $178 4 $181 5 $181 6 $181 7 $181
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30

Dated fares

Denver DEN

$178

Sep 03, 9:29pm · 12h 4m · 1 stop

BUF → DEN · Frontier Airlines

Tickets

Denver DEN

$181

Sep 04, 6:54pm · 15h 13m · 1 stop

BUF → DEN · Frontier Airlines

Tickets

Denver DEN

$181

Sep 07, 6:54pm · 30h 6m · 1 stop

BUF → DEN · Frontier Airlines

Tickets

Booking BUF to DEN in September 2026

This page is only September 2026 on the Buffalo to Denver 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 Buffalo to Denver in September 2026.