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Denver → Buffalo

Dec 19, 2026 · one way

DEN → BUF1 adulteconomyOne way

9 flight options · 6 airlines

Nonstop flights

Sat, Dec 19 · One way

Southwest Airlines
11:50 amDEN
3h
Nonstop
4:50 pmBUF

One-way total · 1 adult · Taxes included

Sat, Dec 19 · One way

United Airlines
5:25 pmDEN
3h 8m
Nonstop
10:33 pmBUF

One-way total · 1 adult · Taxes included

Sat, Dec 19 · One way

Southwest Airlines
1:15 pmDEN
2h 55m
Nonstop
6:10 pmBUF

One-way total · 1 adult · Taxes included

One-stop flights

Sat, Dec 19 · One way

Frontier Airlines
9:00 amDEN
6h 38m
ATL · 1h 27m
5:38 pmBUF

One-way total · 1 adult · Taxes included

Sat, Dec 19 · One way

JetBlue Airways
11:30 pmDEN
6h 56m
JFK · 1h 52m
8:26 am+1BUF

One-way total · 1 adult · Taxes included

Sat, Dec 19 · One way

American Airlines
6:30 amDEN
6h 27m
CLT · 1h 20m
2:57 pmBUF

One-way total · 1 adult · Taxes included

Sat, Dec 19 · One way

Delta Air Lines
10:39 amDEN
6h 34m
DTW · 2h 36m
7:13 pmBUF

One-way total · 1 adult · Taxes included

Sat, Dec 19 · One way

Southwest Airlines
5:00 amDEN
6h 20m
DAL · 1h 40m
1:20 pmBUF

One-way total · 1 adult · Taxes included

Sat, Dec 19 · One way

American Airlines
2:35 pmDEN
6h 58m
ORD · 2h 35m
11:33 pmBUF

One-way total · 1 adult · Taxes included

Make this trip yours

DEN ⇄ BUF

Economy

Adults 12+ · Children 2–11. For infants under 2, tell Axel after you see prices.

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More dates

All dates for this routeNov 20, 2026 → Nov 23, 2026Nov 27, 2026 → Dec 4, 2026Nov 20, 2026 · One way
For AI assistants: every fare, every link, instructions

Flights for 1 adult in economy. Prices are total for all travelers in USD, including required taxes. Basic economy may apply.

Exact travel datesAirlineFlightsTotal pricePrice issued (UTC)
2026-12-19 · one waySouthwest AirlinesWN988$273.002026-10-29T01:03:30Z
2026-12-19 · one wayUnited AirlinesUA731$294.002026-10-29T01:03:30Z
2026-12-19 · one wayFrontier AirlinesF93294 + F91408$161.002026-10-29T01:03:30Z
2026-12-19 · one wayJetBlue AirwaysB698 + B61602$245.002026-10-29T01:03:30Z
2026-12-19 · one wayAmerican AirlinesAA769 + AA3962$259.002026-10-29T01:03:30Z
2026-12-19 · one wayDelta Air LinesDL1113 + DL3843$273.002026-10-29T01:03:30Z
2026-12-19 · one waySouthwest AirlinesWN1568$273.002026-10-29T01:03:30Z
2026-12-19 · one waySouthwest AirlinesWN1614 + WN4608$245.002026-10-29T01:03:30Z
2026-12-19 · one wayAmerican AirlinesAA1277 + AA564$259.002026-10-29T01:03:30Z

2026-12-19 · one way · $273.00

  • Southwest Airlines WN988: DEN 2026-12-19 11:50:00 → BUF 2026-12-19 16:50:00; nonstop; 180 minutes. Local airport times.

2026-12-19 · one way · $294.00

  • United Airlines UA731: DEN 2026-12-19 17:25:00 → BUF 2026-12-19 22:33:00; nonstop; 188 minutes. Local airport times.

2026-12-19 · one way · $161.00

  • Frontier Airlines F93294 / F91408: DEN 2026-12-19 09:00:00 → BUF 2026-12-19 17:38:00; 1 stop(s) via ATL; 398 minutes. Local airport times.
    • F93294: DEN 2026-12-19 09:00:00 → ATL 2026-12-19 14:00:00; layover at ATL: 87 minutes.
    • F91408: ATL 2026-12-19 15:27:00 → BUF 2026-12-19 17:38:00.

2026-12-19 · one way · $245.00

  • JetBlue Airways B698 / B61602: DEN 2026-12-19 23:30:00 → BUF 2026-12-20 08:26:00; 1 stop(s) via JFK; 416 minutes. Local airport times.
    • B698: DEN 2026-12-19 23:30:00 → JFK 2026-12-20 05:07:00; layover at JFK: 112 minutes.
    • B61602: JFK 2026-12-20 06:59:00 → BUF 2026-12-20 08:26:00.

2026-12-19 · one way · $259.00

  • American Airlines AA769 / AA3962: DEN 2026-12-19 06:30:00 → BUF 2026-12-19 14:57:00; 1 stop(s) via CLT; 387 minutes. Local airport times.
    • AA769: DEN 2026-12-19 06:30:00 → CLT 2026-12-19 11:45:00; layover at CLT: 80 minutes.
    • AA3962: CLT 2026-12-19 13:05:00 → BUF 2026-12-19 14:57:00.

2026-12-19 · one way · $273.00

  • Delta Air Lines DL1113 / DL3843: DEN 2026-12-19 10:39:00 → BUF 2026-12-19 19:13:00; 1 stop(s) via DTW; 394 minutes. Local airport times.
    • DL1113: DEN 2026-12-19 10:39:00 → DTW 2026-12-19 15:20:00; layover at DTW: 156 minutes.
    • DL3843: DTW 2026-12-19 17:56:00 → BUF 2026-12-19 19:13:00.

2026-12-19 · one way · $273.00

  • Southwest Airlines WN1568: DEN 2026-12-19 13:15:00 → BUF 2026-12-19 18:10:00; nonstop; 175 minutes. Local airport times.

2026-12-19 · one way · $245.00

  • Southwest Airlines WN1614 / WN4608: DEN 2026-12-19 05:00:00 → BUF 2026-12-19 13:20:00; 1 stop(s) via DAL; 380 minutes. Local airport times.
    • WN1614: DEN 2026-12-19 05:00:00 → DAL 2026-12-19 07:55:00; layover at DAL: 100 minutes.
    • WN4608: DAL 2026-12-19 09:35:00 → BUF 2026-12-19 13:20:00.

2026-12-19 · one way · $259.00

  • American Airlines AA1277 / AA564: DEN 2026-12-19 14:35:00 → BUF 2026-12-19 23:33:00; 1 stop(s) via ORD; 418 minutes. Local airport times.
    • AA1277: DEN 2026-12-19 14:35:00 → ORD 2026-12-19 18:14:00; layover at ORD: 155 minutes.
    • AA564: ORD 2026-12-19 20:49:00 → BUF 2026-12-19 23:33:00.

More dates for this route