Dulles (IAD) to Buffalo (BUF), Dec 18–20, 2026: from $155 one way

Dulles (IAD) to Buffalo (BUF), Dec 18–20, 2026: from $155 one way on Axel, checked Oct 29, 2026. Lowest published fare: $155 one way, Axel-exclusive, United Airlines, nonstop, Dec 18, 2026, 1 adult, economy, checked Oct 29, 2026. Flights for 1 adult in economy. Prices are total for all travelers in USD, including required taxes. Basic economy may apply.

See flights for these dates: each price link opens AI flight search for that row's exact dates and travelers. Select the complete itinerary there.

Route overview: Washington, DC to Buffalo (BUF) flight deals

2026-12-18 · one way · Axel-exclusive $155.00

• United Airlines UA4322: IAD 2026-12-18 08:15:00 → BUF 2026-12-18 09:45:00; nonstop; 90 minutes. Local airport times.

2026-12-18 · one way · Axel-exclusive $180.00

• Delta Air Lines DL5517 / DL4642: IAD 2026-12-18 11:30:00 → BUF 2026-12-18 17:12:00; 1 stop(s) via DTW; 342 minutes. Local airport times.
  • DL5517: IAD 2026-12-18 11:30:00 → DTW 2026-12-18 13:09:00; layover at DTW: 166 minutes.
  • DL4642: DTW 2026-12-18 15:55:00 → BUF 2026-12-18 17:12:00.

2026-12-19 · one way · Axel-exclusive $193.75

• United Airlines UA4823: IAD 2026-12-19 17:30:00 → BUF 2026-12-19 19:05:00; nonstop; 95 minutes. Local airport times.

2026-12-20 · one way · Axel-exclusive $193.75

• United Airlines UA4335: IAD 2026-12-20 12:50:00 → BUF 2026-12-20 14:20:00; nonstop; 90 minutes. Local airport times.

2026-12-18 · one way · Axel-exclusive $155.00

• United Airlines UA6115: IAD 2026-12-18 17:50:00 → BUF 2026-12-18 19:19:00; nonstop; 89 minutes. Local airport times.

2026-12-20 · one way · Axel-exclusive $193.75

• United Airlines UA4322: IAD 2026-12-20 08:15:00 → BUF 2026-12-20 09:45:00; nonstop; 90 minutes. Local airport times.

2026-12-19 · one way · Axel-exclusive $193.75

• United Airlines UA4541: IAD 2026-12-19 22:19:00 → BUF 2026-12-19 23:44:00; nonstop; 85 minutes. Local airport times.

2026-12-18 · one way · Axel-exclusive $175.00

• United Airlines UA1359 / UA3529: IAD 2026-12-18 06:10:00 → BUF 2026-12-18 10:08:00; 1 stop(s) via EWR; 238 minutes. Local airport times.
  • UA1359: IAD 2026-12-18 06:10:00 → EWR 2026-12-18 07:28:00; layover at EWR: 72 minutes.
  • UA3529: EWR 2026-12-18 08:40:00 → BUF 2026-12-18 10:08:00.

2026-12-18 · one way · Axel-exclusive $180.00

• Delta Air Lines DL5618 / DL5250: IAD 2026-12-18 12:35:00 → BUF 2026-12-18 19:19:00; 1 stop(s) via JFK; 404 minutes. Local airport times.
  • DL5618: IAD 2026-12-18 12:35:00 → JFK 2026-12-18 14:01:00; layover at JFK: 214 minutes.
  • DL5250: JFK 2026-12-18 17:35:00 → BUF 2026-12-18 19:19:00.

2026-12-19 · one way · Axel-exclusive $218.75

• United Airlines UA1359 / UA3529: IAD 2026-12-19 06:10:00 → BUF 2026-12-19 10:08:00; 1 stop(s) via EWR; 238 minutes. Local airport times.
  • UA1359: IAD 2026-12-19 06:10:00 → EWR 2026-12-19 07:28:00; layover at EWR: 72 minutes.
  • UA3529: EWR 2026-12-19 08:40:00 → BUF 2026-12-19 10:08:00.

2026-12-20 · one way · Axel-exclusive $218.75

• United Airlines UA1359 / UA3529: IAD 2026-12-20 06:10:00 → BUF 2026-12-20 10:08:00; 1 stop(s) via EWR; 238 minutes. Local airport times.
  • UA1359: IAD 2026-12-20 06:10:00 → EWR 2026-12-20 07:28:00; layover at EWR: 72 minutes.
  • UA3529: EWR 2026-12-20 08:40:00 → BUF 2026-12-20 10:08:00.

2026-12-19 · one way · Axel-exclusive $225.00

• Delta Air Lines DL5517 / DL4642: IAD 2026-12-19 11:30:00 → BUF 2026-12-19 17:12:00; 1 stop(s) via DTW; 342 minutes. Local airport times.
  • DL5517: IAD 2026-12-19 11:30:00 → DTW 2026-12-19 13:09:00; layover at DTW: 166 minutes.
  • DL4642: DTW 2026-12-19 15:55:00 → BUF 2026-12-19 17:12:00.

2026-12-19 · one way · Axel-exclusive $225.00

• Delta Air Lines DL5618 / DL5250: IAD 2026-12-19 12:35:00 → BUF 2026-12-19 19:19:00; 1 stop(s) via JFK; 404 minutes. Local airport times.
  • DL5618: IAD 2026-12-19 12:35:00 → JFK 2026-12-19 14:01:00; layover at JFK: 214 minutes.
  • DL5250: JFK 2026-12-19 17:35:00 → BUF 2026-12-19 19:19:00.

2026-12-20 · one way · Axel-exclusive $225.00

• Delta Air Lines DL5618 / DL5250: IAD 2026-12-20 12:35:00 → BUF 2026-12-20 19:19:00; 1 stop(s) via JFK; 404 minutes. Local airport times.
  • DL5618: IAD 2026-12-20 12:35:00 → JFK 2026-12-20 14:01:00; layover at JFK: 214 minutes.
  • DL5250: JFK 2026-12-20 17:35:00 → BUF 2026-12-20 19:19:00.

2026-12-20 · one way · Axel-exclusive $225.00

• Delta Air Lines DL5517 / DL4642: IAD 2026-12-20 11:30:00 → BUF 2026-12-20 17:12:00; 1 stop(s) via DTW; 342 minutes. Local airport times.
  • DL5517: IAD 2026-12-20 11:30:00 → DTW 2026-12-20 13:09:00; layover at DTW: 166 minutes.
  • DL4642: DTW 2026-12-20 15:55:00 → BUF 2026-12-20 17:12:00.

Travelers: prices on this page are totals for 1 adult. For a different party, open this trip for 2 adults · 3 adults · 4 adults · 2 adults + 1 child · 2 adults + 2 children; each link opens AI flight search for these dates and those travelers, and the customer link to share comes from those results.

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