Denver to Buffalo flights in August 2027

Saved fares include round trips from $340 and one-way flights from $145 for one adult in economy. Fare observations: October 29, 2026.

Departure airports: Denver (DEN). Destination: Buffalo (BUF).

DEN → BUF · August 2027 · One adult in economy

Travel dates Airline Stops Total (USD)
Aug 1, 2027 · One way American Airlines Up to 1 stop each way $225
Aug 1, 2027 · One way Southwest Airlines Nonstop $240
Aug 1, 2027 – Aug 4, 2027 · 3 nights American Airlines Up to 1 stop each way $425
Aug 1, 2027 – Aug 4, 2027 · 3 nights Southwest Airlines Nonstop $455
Aug 1, 2027 – Aug 8, 2027 · 7 nights American Airlines Up to 1 stop each way $425
Aug 1, 2027 – Aug 8, 2027 · 7 nights United Airlines Nonstop $480
Aug 2, 2027 · One way American Airlines Up to 1 stop each way $225
Aug 2, 2027 · One way Southwest Airlines Nonstop $240
Aug 2, 2027 – Aug 5, 2027 · 3 nights American Airlines Up to 1 stop each way $425
Aug 2, 2027 – Aug 5, 2027 · 3 nights Southwest Airlines Nonstop $455
Aug 2, 2027 – Aug 9, 2027 · 7 nights American Airlines Up to 1 stop each way $425
Aug 2, 2027 – Aug 9, 2027 · 7 nights Southwest Airlines Nonstop $455
Aug 3, 2027 · One way JetBlue Airways Up to 1 stop each way $215
Aug 3, 2027 · One way Southwest Airlines Nonstop $240
Aug 3, 2027 – Aug 6, 2027 · 3 nights JetBlue Airways / United Airlines Up to 1 stop each way $443
Aug 3, 2027 – Aug 6, 2027 · 3 nights Southwest Airlines Nonstop $455
Aug 3, 2027 – Aug 10, 2027 · 7 nights JetBlue Airways / United Airlines Up to 1 stop each way $443
Aug 3, 2027 – Aug 10, 2027 · 7 nights Southwest Airlines Nonstop $455
Aug 4, 2027 · One way American Airlines Up to 1 stop each way $225
Aug 4, 2027 · One way Southwest Airlines Nonstop $240
Aug 4, 2027 – Aug 7, 2027 · 3 nights American Airlines Up to 1 stop each way $425
Aug 4, 2027 – Aug 7, 2027 · 3 nights Southwest Airlines Nonstop $455
Aug 4, 2027 – Aug 11, 2027 · 7 nights American Airlines Up to 1 stop each way $425
Aug 4, 2027 – Aug 11, 2027 · 7 nights Southwest Airlines Nonstop $455
Aug 5, 2027 · One way Frontier Airlines Up to 1 stop each way $145
Aug 5, 2027 · One way Southwest Airlines Nonstop $240
Aug 5, 2027 – Aug 8, 2027 · 3 nights Frontier Airlines / Southwest Airlines Up to 1 stop each way $340
Aug 5, 2027 – Aug 8, 2027 · 3 nights United Airlines Nonstop $480
Aug 5, 2027 – Aug 12, 2027 · 7 nights Frontier Airlines / United Airlines Up to 1 stop each way $378
Aug 5, 2027 – Aug 12, 2027 · 7 nights Southwest Airlines Nonstop $455
Aug 6, 2027 · One way Frontier Airlines Up to 1 stop each way $145
Aug 6, 2027 · One way Southwest Airlines Nonstop $240
Aug 6, 2027 – Aug 9, 2027 · 3 nights Frontier Airlines / Southwest Airlines Up to 1 stop each way $365
Aug 6, 2027 – Aug 9, 2027 · 3 nights Southwest Airlines Nonstop $455
Aug 6, 2027 – Aug 13, 2027 · 7 nights Frontier Airlines / United Airlines Up to 1 stop each way $378
Aug 6, 2027 – Aug 13, 2027 · 7 nights Southwest Airlines Nonstop $455
Aug 7, 2027 · One way JetBlue Airways Up to 1 stop each way $215
Aug 7, 2027 · One way Southwest Airlines Nonstop $240
Aug 7, 2027 – Aug 10, 2027 · 3 nights American Airlines Up to 1 stop each way $425
Aug 7, 2027 – Aug 10, 2027 · 3 nights Southwest Airlines Nonstop $455
Aug 7, 2027 – Aug 14, 2027 · 7 nights American Airlines Up to 1 stop each way $425
Aug 7, 2027 – Aug 14, 2027 · 7 nights Southwest Airlines Nonstop $455
Aug 8, 2027 · One way American Airlines Up to 1 stop each way $225
Aug 8, 2027 · One way Southwest Airlines Nonstop $240
Aug 8, 2027 – Aug 11, 2027 · 3 nights American Airlines Up to 1 stop each way $425
Aug 8, 2027 – Aug 11, 2027 · 3 nights Southwest Airlines Nonstop $455
Aug 8, 2027 – Aug 15, 2027 · 7 nights American Airlines Up to 1 stop each way $425
Aug 8, 2027 – Aug 15, 2027 · 7 nights United Airlines Nonstop $480
Aug 9, 2027 · One way American Airlines Up to 1 stop each way $225
Aug 9, 2027 · One way Southwest Airlines Nonstop $240
Aug 9, 2027 – Aug 12, 2027 · 3 nights American Airlines Up to 1 stop each way $425
Aug 9, 2027 – Aug 12, 2027 · 3 nights Southwest Airlines Nonstop $455
Aug 9, 2027 – Aug 16, 2027 · 7 nights American Airlines Up to 1 stop each way $425
Aug 9, 2027 – Aug 16, 2027 · 7 nights Southwest Airlines Nonstop $455
Aug 10, 2027 · One way JetBlue Airways Up to 1 stop each way $215
Aug 10, 2027 · One way Southwest Airlines Nonstop $240
Aug 10, 2027 – Aug 13, 2027 · 3 nights JetBlue Airways / United Airlines Up to 1 stop each way $443
Aug 10, 2027 – Aug 13, 2027 · 3 nights Southwest Airlines Nonstop $455
Aug 10, 2027 – Aug 17, 2027 · 7 nights JetBlue Airways / United Airlines Up to 1 stop each way $443
Aug 10, 2027 – Aug 17, 2027 · 7 nights Southwest Airlines Nonstop $455
Aug 11, 2027 · One way American Airlines Up to 1 stop each way $225
Aug 11, 2027 · One way Southwest Airlines Nonstop $240
Aug 11, 2027 – Aug 14, 2027 · 3 nights American Airlines Up to 1 stop each way $425
Aug 11, 2027 – Aug 14, 2027 · 3 nights Southwest Airlines Nonstop $455
Aug 11, 2027 – Aug 18, 2027 · 7 nights American Airlines Up to 1 stop each way $425
Aug 11, 2027 – Aug 18, 2027 · 7 nights Southwest Airlines Nonstop $455
Aug 12, 2027 · One way Frontier Airlines Up to 1 stop each way $145
Aug 12, 2027 · One way Southwest Airlines Nonstop $240
Aug 12, 2027 – Aug 15, 2027 · 3 nights Frontier Airlines / Southwest Airlines Up to 1 stop each way $340
Aug 12, 2027 – Aug 15, 2027 · 3 nights United Airlines Nonstop $480
Aug 12, 2027 – Aug 19, 2027 · 7 nights Frontier Airlines / United Airlines Up to 1 stop each way $378
Aug 12, 2027 – Aug 19, 2027 · 7 nights Southwest Airlines Nonstop $455
Aug 13, 2027 · One way Frontier Airlines Up to 1 stop each way $145
Aug 13, 2027 · One way Southwest Airlines Nonstop $240
Aug 13, 2027 – Aug 16, 2027 · 3 nights Frontier Airlines / Southwest Airlines Up to 1 stop each way $365
Aug 13, 2027 – Aug 16, 2027 · 3 nights Southwest Airlines Nonstop $455
Aug 13, 2027 – Aug 20, 2027 · 7 nights Frontier Airlines / United Airlines Up to 1 stop each way $378
Aug 13, 2027 – Aug 20, 2027 · 7 nights Southwest Airlines Nonstop $455
Aug 14, 2027 · One way JetBlue Airways Up to 1 stop each way $215
Aug 14, 2027 · One way Southwest Airlines Nonstop $240
Aug 14, 2027 – Aug 17, 2027 · 3 nights American Airlines Up to 1 stop each way $425
Aug 14, 2027 – Aug 17, 2027 · 3 nights Southwest Airlines Nonstop $455
Aug 14, 2027 – Aug 21, 2027 · 7 nights American Airlines Up to 1 stop each way $425
Aug 14, 2027 – Aug 21, 2027 · 7 nights Southwest Airlines Nonstop $455
Aug 15, 2027 · One way American Airlines Up to 1 stop each way $225
Aug 15, 2027 · One way Southwest Airlines Nonstop $240
Aug 15, 2027 – Aug 18, 2027 · 3 nights American Airlines Up to 1 stop each way $425
Aug 15, 2027 – Aug 18, 2027 · 3 nights Southwest Airlines Nonstop $455
Aug 15, 2027 – Aug 22, 2027 · 7 nights American Airlines Up to 1 stop each way $425
Aug 15, 2027 – Aug 22, 2027 · 7 nights United Airlines Nonstop $480
Aug 16, 2027 · One way American Airlines Up to 1 stop each way $225
Aug 16, 2027 · One way Southwest Airlines Nonstop $240
Aug 16, 2027 – Aug 19, 2027 · 3 nights American Airlines Up to 1 stop each way $425
Aug 16, 2027 – Aug 19, 2027 · 3 nights Southwest Airlines Nonstop $455
Aug 16, 2027 – Aug 23, 2027 · 7 nights American Airlines Up to 1 stop each way $425
Aug 16, 2027 – Aug 23, 2027 · 7 nights Southwest Airlines Nonstop $455
Aug 17, 2027 · One way JetBlue Airways Up to 1 stop each way $215
Aug 17, 2027 · One way Southwest Airlines Nonstop $240
Aug 17, 2027 – Aug 20, 2027 · 3 nights JetBlue Airways / United Airlines Up to 1 stop each way $443
Aug 17, 2027 – Aug 20, 2027 · 3 nights Southwest Airlines Nonstop $455
Aug 17, 2027 – Aug 24, 2027 · 7 nights JetBlue Airways / United Airlines Up to 1 stop each way $443
Aug 17, 2027 – Aug 24, 2027 · 7 nights Southwest Airlines Nonstop $455
Aug 18, 2027 · One way American Airlines Up to 1 stop each way $225
Aug 18, 2027 · One way Southwest Airlines Nonstop $240
Aug 18, 2027 – Aug 21, 2027 · 3 nights American Airlines Up to 1 stop each way $425
Aug 18, 2027 – Aug 21, 2027 · 3 nights Southwest Airlines Nonstop $455
Aug 18, 2027 – Aug 25, 2027 · 7 nights American Airlines Up to 1 stop each way $425
Aug 18, 2027 – Aug 25, 2027 · 7 nights Southwest Airlines Nonstop $455
Aug 19, 2027 · One way Frontier Airlines Up to 1 stop each way $145
Aug 19, 2027 · One way Southwest Airlines Nonstop $240
Aug 19, 2027 – Aug 22, 2027 · 3 nights Frontier Airlines / Southwest Airlines Up to 1 stop each way $340
Aug 19, 2027 – Aug 22, 2027 · 3 nights United Airlines Nonstop $480
Aug 19, 2027 – Aug 26, 2027 · 7 nights Frontier Airlines / United Airlines Up to 1 stop each way $378
Aug 19, 2027 – Aug 26, 2027 · 7 nights Southwest Airlines Nonstop $455
Aug 20, 2027 · One way Frontier Airlines Up to 1 stop each way $145
Aug 20, 2027 · One way Southwest Airlines Nonstop $240
Aug 20, 2027 – Aug 23, 2027 · 3 nights Frontier Airlines / Southwest Airlines Up to 1 stop each way $365
Aug 20, 2027 – Aug 23, 2027 · 3 nights Southwest Airlines Nonstop $455
Aug 20, 2027 – Aug 27, 2027 · 7 nights Frontier Airlines / United Airlines Up to 1 stop each way $378
Aug 20, 2027 – Aug 27, 2027 · 7 nights Southwest Airlines Nonstop $455
Aug 21, 2027 · One way JetBlue Airways Up to 1 stop each way $215
Aug 21, 2027 · One way Southwest Airlines Nonstop $240
Aug 21, 2027 – Aug 24, 2027 · 3 nights American Airlines Up to 1 stop each way $425
Aug 21, 2027 – Aug 24, 2027 · 3 nights Southwest Airlines Nonstop $455
Aug 21, 2027 – Aug 28, 2027 · 7 nights American Airlines Up to 1 stop each way $425
Aug 21, 2027 – Aug 28, 2027 · 7 nights Southwest Airlines Nonstop $455
Aug 22, 2027 · One way American Airlines Up to 1 stop each way $225
Aug 22, 2027 · One way Southwest Airlines Nonstop $240
Aug 22, 2027 – Aug 25, 2027 · 3 nights American Airlines Up to 1 stop each way $425
Aug 22, 2027 – Aug 25, 2027 · 3 nights Southwest Airlines Nonstop $455
Aug 22, 2027 – Aug 29, 2027 · 7 nights American Airlines Up to 1 stop each way $425
Aug 22, 2027 – Aug 29, 2027 · 7 nights United Airlines Nonstop $480
Aug 23, 2027 · One way American Airlines Up to 1 stop each way $225
Aug 23, 2027 · One way Southwest Airlines Nonstop $240
Aug 23, 2027 – Aug 26, 2027 · 3 nights American Airlines Up to 1 stop each way $425
Aug 23, 2027 – Aug 26, 2027 · 3 nights Southwest Airlines Nonstop $455
Aug 23, 2027 – Aug 30, 2027 · 7 nights American Airlines Up to 1 stop each way $425
Aug 23, 2027 – Aug 30, 2027 · 7 nights Southwest Airlines Nonstop $455
Aug 24, 2027 · One way JetBlue Airways Up to 1 stop each way $215
Aug 24, 2027 · One way Southwest Airlines Nonstop $240
Aug 24, 2027 – Aug 27, 2027 · 3 nights JetBlue Airways / United Airlines Up to 1 stop each way $443
Aug 24, 2027 – Aug 27, 2027 · 3 nights Southwest Airlines Nonstop $455
Aug 24, 2027 – Aug 31, 2027 · 7 nights JetBlue Airways / United Airlines Up to 1 stop each way $443
Aug 24, 2027 – Aug 31, 2027 · 7 nights Southwest Airlines Nonstop $455
Aug 25, 2027 · One way American Airlines Up to 1 stop each way $225
Aug 25, 2027 · One way Southwest Airlines Nonstop $240
Aug 25, 2027 – Aug 28, 2027 · 3 nights American Airlines Up to 1 stop each way $425
Aug 25, 2027 – Aug 28, 2027 · 3 nights Southwest Airlines Nonstop $455
Aug 25, 2027 – Sep 1, 2027 · 7 nights American Airlines Up to 1 stop each way $414
Aug 25, 2027 – Sep 1, 2027 · 7 nights Southwest Airlines Nonstop $444
Aug 26, 2027 · One way Frontier Airlines Up to 1 stop each way $145
Aug 26, 2027 · One way Southwest Airlines Nonstop $240
Aug 26, 2027 – Aug 29, 2027 · 3 nights Frontier Airlines / Southwest Airlines Up to 1 stop each way $340
Aug 26, 2027 – Aug 29, 2027 · 3 nights United Airlines Nonstop $480
Aug 26, 2027 – Sep 2, 2027 · 7 nights Frontier Airlines / United Airlines Up to 1 stop each way $411
Aug 26, 2027 – Sep 2, 2027 · 7 nights Southwest Airlines Nonstop $487
Aug 27, 2027 · One way Frontier Airlines Up to 1 stop each way $145
Aug 27, 2027 · One way Southwest Airlines Nonstop $240
Aug 27, 2027 – Aug 30, 2027 · 3 nights Frontier Airlines / Southwest Airlines Up to 1 stop each way $365
Aug 27, 2027 – Aug 30, 2027 · 3 nights Southwest Airlines Nonstop $455
Aug 27, 2027 – Sep 3, 2027 · 7 nights Frontier Airlines / United Airlines Up to 1 stop each way $411
Aug 27, 2027 – Sep 3, 2027 · 7 nights Southwest Airlines Nonstop $487
Aug 28, 2027 · One way JetBlue Airways Up to 1 stop each way $215
Aug 28, 2027 · One way Southwest Airlines Nonstop $240
Aug 28, 2027 – Aug 31, 2027 · 3 nights American Airlines Up to 1 stop each way $425
Aug 28, 2027 – Aug 31, 2027 · 3 nights Southwest Airlines Nonstop $455
Aug 28, 2027 – Sep 4, 2027 · 7 nights American Airlines Up to 1 stop each way $455
Aug 28, 2027 – Sep 4, 2027 · 7 nights Southwest Airlines Nonstop $487
Aug 29, 2027 · One way American Airlines Up to 1 stop each way $225
Aug 29, 2027 · One way Southwest Airlines Nonstop $240
Aug 29, 2027 – Sep 1, 2027 · 3 nights American Airlines Up to 1 stop each way $414
Aug 29, 2027 – Sep 1, 2027 · 3 nights Southwest Airlines Nonstop $444
Aug 29, 2027 – Sep 5, 2027 · 7 nights American Airlines Up to 1 stop each way $455
Aug 29, 2027 – Sep 5, 2027 · 7 nights United Airlines Nonstop $514
Aug 30, 2027 · One way American Airlines Up to 1 stop each way $225
Aug 30, 2027 · One way Southwest Airlines Nonstop $240
Aug 30, 2027 – Sep 2, 2027 · 3 nights American Airlines Up to 1 stop each way $455
Aug 30, 2027 – Sep 2, 2027 · 3 nights Southwest Airlines Nonstop $487
Aug 30, 2027 – Sep 6, 2027 · 7 nights American Airlines Up to 1 stop each way $455
Aug 30, 2027 – Sep 6, 2027 · 7 nights Southwest Airlines Nonstop $487
Aug 31, 2027 · One way JetBlue Airways Up to 1 stop each way $215
Aug 31, 2027 · One way Southwest Airlines Nonstop $240
Aug 31, 2027 – Sep 3, 2027 · 3 nights JetBlue Airways / United Airlines Up to 1 stop each way $476
Aug 31, 2027 – Sep 3, 2027 · 3 nights Southwest Airlines Nonstop $487
Aug 31, 2027 – Sep 7, 2027 · 7 nights JetBlue Airways / United Airlines Up to 1 stop each way $476
Aug 31, 2027 – Sep 7, 2027 · 7 nights Southwest Airlines Nonstop $487

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