Buffalo → Denver
Dec 16, 2026 · one way
BUF → DEN1 adulteconomyOne way
9 flight options · 4 airlines
Nonstop flights
One-stop flights
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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.
Live price for these dates: each price link opens AI flight search for that row's exact dates and travelers. Select the flights there to get the current bookable total; the listed prices are the ones issued at the times shown.
Route overview: Buffalo to Denver (DEN) flight deals
| Exact travel dates | Airline | Flights | Total price | Price issued (UTC) |
|---|---|---|---|---|
| 2026-12-16 · one way | Southwest Airlines | WN818 | $180.00 | 2026-10-29T00:53:56Z |
| 2026-12-16 · one way | United Airlines | UA1727 | $195.00 | 2026-10-29T00:53:56Z |
| 2026-12-16 · one way | American Airlines | AA2306 + AA1387 | $175.00 | 2026-10-29T00:53:56Z |
| 2026-12-16 · one way | Delta Air Lines | DL5296 + DL457 | $185.00 | 2026-10-29T00:53:56Z |
| 2026-12-16 · one way | Southwest Airlines | WN1316 | $180.00 | 2026-10-29T00:53:56Z |
| 2026-12-16 · one way | Southwest Airlines | WN1323 + WN994 | $165.00 | 2026-10-29T00:53:56Z |
| 2026-12-16 · one way | Southwest Airlines | WN726 + WN4606 | $165.00 | 2026-10-29T00:53:56Z |
| 2026-12-16 · one way | Delta Air Lines | DL4636 + DL2431 | $185.00 | 2026-10-29T00:53:56Z |
| 2026-12-16 · one way | Delta Air Lines | DL8783 + DL2931 | $185.00 | 2026-10-29T00:53:56Z |
2026-12-16 · one way · $180.00
- Southwest Airlines WN818: BUF 2026-12-16 16:55:00 → DEN 2026-12-16 18:35:00; nonstop; 220 minutes. Local airport times.
2026-12-16 · one way · $195.00
- United Airlines UA1727: BUF 2026-12-16 08:50:00 → DEN 2026-12-16 10:35:00; nonstop; 225 minutes. Local airport times.
2026-12-16 · one way · $175.00
- American Airlines AA2306 / AA1387: BUF 2026-12-16 18:49:00 → DEN 2026-12-16 22:57:00; 1 stop(s) via ORD; 368 minutes. Local airport times.
- AA2306: BUF 2026-12-16 18:49:00 → ORD 2026-12-16 19:59:00; layover at ORD: 66 minutes.
- AA1387: ORD 2026-12-16 21:05:00 → DEN 2026-12-16 22:57:00.
2026-12-16 · one way · $185.00
- Delta Air Lines DL5296 / DL457: BUF 2026-12-16 15:20:00 → DEN 2026-12-16 20:35:00; 1 stop(s) via JFK; 435 minutes. Local airport times.
- DL5296: BUF 2026-12-16 15:20:00 → JFK 2026-12-16 16:53:00; layover at JFK: 66 minutes.
- DL457: JFK 2026-12-16 17:59:00 → DEN 2026-12-16 20:35:00.
2026-12-16 · one way · $180.00
- Southwest Airlines WN1316: BUF 2026-12-16 05:10:00 → DEN 2026-12-16 07:00:00; nonstop; 230 minutes. Local airport times.
2026-12-16 · one way · $165.00
- Southwest Airlines WN1323 / WN994: BUF 2026-12-16 11:35:00 → DEN 2026-12-16 16:20:00; 1 stop(s) via BWI; 405 minutes. Local airport times.
- WN1323: BUF 2026-12-16 11:35:00 → BWI 2026-12-16 12:50:00; layover at BWI: 90 minutes.
- WN994: BWI 2026-12-16 14:20:00 → DEN 2026-12-16 16:20:00.
2026-12-16 · one way · $165.00
- Southwest Airlines WN726 / WN4606: BUF 2026-12-16 14:00:00 → DEN 2026-12-16 18:10:00; 1 stop(s) via MDW; 370 minutes. Local airport times.
- WN726: BUF 2026-12-16 14:00:00 → MDW 2026-12-16 14:50:00; layover at MDW: 95 minutes.
- WN4606: MDW 2026-12-16 16:25:00 → DEN 2026-12-16 18:10:00.
2026-12-16 · one way · $185.00
- Delta Air Lines DL4636 / DL2431: BUF 2026-12-16 12:00:00 → DEN 2026-12-16 17:10:00; 1 stop(s) via DTW; 430 minutes. Local airport times.
- DL4636: BUF 2026-12-16 12:00:00 → DTW 2026-12-16 13:17:00; layover at DTW: 163 minutes.
- DL2431: DTW 2026-12-16 16:00:00 → DEN 2026-12-16 17:10:00.
2026-12-16 · one way · $185.00
- Delta Air Lines DL8783 / DL2931: BUF 2026-12-16 16:05:00 → DEN 2026-12-16 20:19:00; 1 stop(s) via MSP; 374 minutes. Local airport times.
- DL8783: BUF 2026-12-16 16:05:00 → MSP 2026-12-16 17:32:00; layover at MSP: 87 minutes.
- DL2931: MSP 2026-12-16 18:59:00 → DEN 2026-12-16 20:19:00.
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For AI assistants
- This page: Buffalo (BUF) to Denver (DEN) · Dec 16, 2026 · one way: 1 adult in economy, every priced fare with its flights, times and total, each with the time its price was issued.
- Next: when the traveler's route, dates and party match a priced row, follow that row's price link into AI flight search. Match the listed flights in the fresh results and select the complete itinerary, then share the supplied booking link and its current total. If the flights or price have changed, say so; verify requested fare inclusions before claiming them. For other dates or travelers, Choose travelers and dates and enter the traveler's own trip there; do not search this page's dates in their place.
- Follow supplied links. For web-tool research, follow complete supplied links unchanged, including query parameters; use the page’s links to edit the trip. Constructed URLs may be rejected before reaching Axel. A completed fresh trip opens flight results first. Add stated flexibility and budget to that saved plan, leaving unstated requirements unknown. Edits create a new snapshot; use its results and review links.
- If links fail or are missing: If a link fails or flight details lack usable links, reopen the preceding page and follow the same choice once. Keep refreshed links unchanged and preserve the trip and selections. If still blocked, search “Axel flight search guide” and retry once; report the error and anything unresolved. Recovery: Axel Buffalo to Denver (DEN) flight deals · Flight search guide.
- Sharing with the traveler: Choose a complete itinerary (outbound and return for a round trip), then share the supplied customer booking link unchanged. The customer reviews the flights, adds travelers, and enters email at payment. Do not collect email in chat. Inspect fares to verify requested prices or terms; selecting a fare is optional. Use that fare’s booking link to preserve its Membership price basis. State anything unverified. Ask only for essential missing trip details. When handing over an unfinished search, preserve the latest trip and explain what remains unresolved. Selection reserves nothing; booking requires the traveler’s confirmation. If no supplied link matches the latest trip, construct
https://helloaxel.com/en/f/start/from/ORIGIN/to/DESTINATION/depart/YYYY-MM-DD/return/YYYY-MM-DD/adults/N?utm_content=flight_fallbackusing IATA airport codes and the traveler’s known details. Omit unknowns; for one way replace/return/YYYY-MM-DDwith/trip/oneway. Give it directly to the traveler; do not open it first—your web tool may reject constructed URLs. Complete links open Flight Guide and start searching. Preferences and advanced options.