Denver → Buffalo
Nov 2, 2026 · one way
DEN → BUF1 adulteconomyOne way
9 flight options · 6 airlines
Nonstop flights
One-stop flights
Make this trip yours
Already have an account? Log in
Why book with Axel
- A real airline bookingThe booking is in the airline’s own system under your name. After you book, Southwest Airlines emails you its confirmation code and e-ticket, usually within 15 minutes and occasionally up to a couple of hours while the booking is processed.
- Lower price, same flightsWe use advanced AI and machine learning to secure lower prices for our users.
- 24-hour cancellationCancel within 24 hours of booking for a full refund when your departure is at least 7 days away. Closer to departure, the airline’s fare rules apply. Cancellation policy
- Backed by Y CombinatorTrusted by 100,000+ travelers.
Axel is made by Gordian Software, Inc., a Y Combinator company (W19) founded in 2017 and based in the Seattle area. The company is led by CEO Stephen Grabowski, formerly of Skyscanner. How Axel works · About
Explore this route
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: Denver to Buffalo (BUF) flight deals
| Exact travel dates | Airline | Flights | Total price | Price issued (UTC) |
|---|---|---|---|---|
| 2026-11-02 · one way | Southwest Airlines | WN988 | $195.00 | 2026-10-29T01:03:30Z |
| 2026-11-02 · one way | United Airlines | UA731 | $210.00 | 2026-10-29T01:03:30Z |
| 2026-11-02 · one way | Frontier Airlines | F93294 + F91408 | $115.00 | 2026-10-29T01:03:30Z |
| 2026-11-02 · one way | JetBlue Airways | B698 + B61602 | $175.00 | 2026-10-29T01:03:30Z |
| 2026-11-02 · one way | American Airlines | AA1277 + AA564 | $185.00 | 2026-10-29T01:03:30Z |
| 2026-11-02 · one way | Delta Air Lines | DL1113 + DL3843 | $195.00 | 2026-10-29T01:03:30Z |
| 2026-11-02 · one way | Southwest Airlines | WN1568 | $195.00 | 2026-10-29T01:03:30Z |
| 2026-11-02 · one way | Southwest Airlines | WN1614 + WN4608 | $175.00 | 2026-10-29T01:03:30Z |
| 2026-11-02 · one way | American Airlines | AA769 + AA3962 | $185.00 | 2026-10-29T01:03:30Z |
2026-11-02 · one way · $195.00
- Southwest Airlines WN988: DEN 2026-11-02 11:50:00 → BUF 2026-11-02 16:50:00; nonstop; 180 minutes. Local airport times.
2026-11-02 · one way · $210.00
- United Airlines UA731: DEN 2026-11-02 17:25:00 → BUF 2026-11-02 22:33:00; nonstop; 188 minutes. Local airport times.
2026-11-02 · one way · $115.00
- Frontier Airlines F93294 / F91408: DEN 2026-11-02 09:00:00 → BUF 2026-11-02 17:38:00; 1 stop(s) via ATL; 398 minutes. Local airport times.
- F93294: DEN 2026-11-02 09:00:00 → ATL 2026-11-02 14:00:00; layover at ATL: 87 minutes.
- F91408: ATL 2026-11-02 15:27:00 → BUF 2026-11-02 17:38:00.
2026-11-02 · one way · $175.00
- JetBlue Airways B698 / B61602: DEN 2026-11-02 23:30:00 → BUF 2026-11-03 08:26:00; 1 stop(s) via JFK; 416 minutes. Local airport times.
- B698: DEN 2026-11-02 23:30:00 → JFK 2026-11-03 05:07:00; layover at JFK: 112 minutes.
- B61602: JFK 2026-11-03 06:59:00 → BUF 2026-11-03 08:26:00.
2026-11-02 · one way · $185.00
- American Airlines AA1277 / AA564: DEN 2026-11-02 14:35:00 → BUF 2026-11-02 23:33:00; 1 stop(s) via ORD; 418 minutes. Local airport times.
- AA1277: DEN 2026-11-02 14:35:00 → ORD 2026-11-02 18:14:00; layover at ORD: 155 minutes.
- AA564: ORD 2026-11-02 20:49:00 → BUF 2026-11-02 23:33:00.
2026-11-02 · one way · $195.00
- Delta Air Lines DL1113 / DL3843: DEN 2026-11-02 10:39:00 → BUF 2026-11-02 19:13:00; 1 stop(s) via DTW; 394 minutes. Local airport times.
- DL1113: DEN 2026-11-02 10:39:00 → DTW 2026-11-02 15:20:00; layover at DTW: 156 minutes.
- DL3843: DTW 2026-11-02 17:56:00 → BUF 2026-11-02 19:13:00.
2026-11-02 · one way · $195.00
- Southwest Airlines WN1568: DEN 2026-11-02 13:15:00 → BUF 2026-11-02 18:10:00; nonstop; 175 minutes. Local airport times.
2026-11-02 · one way · $175.00
- Southwest Airlines WN1614 / WN4608: DEN 2026-11-02 05:00:00 → BUF 2026-11-02 13:20:00; 1 stop(s) via DAL; 380 minutes. Local airport times.
- WN1614: DEN 2026-11-02 05:00:00 → DAL 2026-11-02 07:55:00; layover at DAL: 100 minutes.
- WN4608: DAL 2026-11-02 09:35:00 → BUF 2026-11-02 13:20:00.
2026-11-02 · one way · $185.00
- American Airlines AA769 / AA3962: DEN 2026-11-02 06:30:00 → BUF 2026-11-02 14:57:00; 1 stop(s) via CLT; 387 minutes. Local airport times.
- AA769: DEN 2026-11-02 06:30:00 → CLT 2026-11-02 11:45:00; layover at CLT: 80 minutes.
- AA3962: CLT 2026-11-02 13:05:00 → BUF 2026-11-02 14:57:00.
Explore this route
For AI assistants
- This page: Denver (DEN) to Buffalo (BUF) · Nov 2, 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 Denver to Buffalo (BUF) 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.