| Outbound | Return | Airlines | Shop | Baggage | Price | ||
|---|---|---|---|---|---|---|---|
| Best option Denver Buffalo | Outbound 09/04/25 direct UA2473 03h 16min | Return 09/28/25 direct UA1727 03h 36min |  United Airlines |  | ? | $223 | |
| Denver Buffalo | Outbound 09/04/25 direct UA2473 03h 16min | Return 09/28/25 direct UA1727 03h 36min | United Airlines |  | ? | $232 | |
| Denver Buffalo | Outbound 07/02/25 direct WN3156 03h 05min | Return 07/25/25 1 Stopover (ORD) AA1195, AA2755 05h 17min |  Southwest Airlines |  | ? | $236 | |
| Denver Buffalo | Outbound 06/07/25 1 Stopover (BOS) B60994, B62115 08h 51min | Return 06/23/25 direct F92751 03h 52min |  JetBlue Airways |  | ? | $241 | |
| Denver Buffalo | Outbound 06/08/25 1 Stopover (MCO) F94920, F91692 22h 19min | Return 06/12/25 1 Stopover (TPA) F91243, F92745 30h 02min |  Frontier Airlines |  | $242 | ||
| Denver Buffalo | Outbound 10/18/25 direct UA2473 03h 16min | Return 10/24/25 direct UA1727 03h 36min | United Airlines | | ? | $247 | |
| Denver Buffalo | Outbound 06/08/25 1 Stopover (MCO) F94920, F91692 22h 19min | Return 06/12/25 1 Stopover (TPA) F91243, F92745 30h 02min | Frontier Airlines |  | $251 | ||
| Denver Buffalo | Outbound 06/07/25 1 Stopover (CLT) AA0573, AA1486 09h 00min | Return 06/23/25 direct F92751 03h 52min |  American Airlines | | ? | $265 | |
| Denver Buffalo | Outbound 10/18/25 1 Stopover (ORD) AA0801, AA0513 07h 48min | Return 10/24/25 1 Stopover (DFW) AA1724, AA0577 06h 26min | American Airlines | | ? | $266 | |
| Denver Buffalo | Outbound 07/02/25 direct F92752 03h 09min | Return 07/25/25 direct F92751 03h 42min | Frontier Airlines | | $269 |
Tips and tricks to help you find cheap flights from Denver to Buffalo
Favorite airline: Frontier Airlines
Most travelers looking for flights on the route from Denver to Buffalo decide to book flights with Frontier Airlines.
Frontier Airlines
43 %
American Airlines
29 %
Delta
14 %