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Dulles → Buffalo

Jan 20, 2027 · return Feb 3, 2027

IAD → BUF1 adulteconomyRound trip

5 flight options · 2 airlines

Nonstop flights

Wed, Jan 20 – Wed, Feb 3

United Airlines
8:32 amIAD
1h 22m
Nonstop
9:54 amBUF
United Airlines
10:35 amBUF
1h 20m
Nonstop
11:55 amIAD

Round-trip total · 1 adult · Taxes included

Wed, Jan 20 – Wed, Feb 3

United Airlines
12:46 pmIAD
1h 29m
Nonstop
2:15 pmBUF
United Airlines
10:35 amBUF
1h 20m
Nonstop
11:55 amIAD

Round-trip total · 1 adult · Taxes included

One-stop flights

Wed, Jan 20 – Wed, Feb 3

Delta Air Lines
12:35 pmIAD
6h 44m
JFK · 3h 34m
7:19 pmBUF
Delta Air Lines
12:00 pmBUF
4h 18m
DTW · 1h 28m
4:18 pmIAD

Round-trip total · 1 adult · Taxes included

Wed, Jan 20 – Wed, Feb 3

United Airlines
6:10 amIAD
3h 58m
EWR · 1h 12m
10:08 amBUF
United Airlines
10:35 amBUF
1h 20m
Nonstop
11:55 amIAD

Round-trip total · 1 adult · Taxes included

Wed, Jan 20 – Wed, Feb 3

Delta Air Lines
11:30 amIAD
5h 42m
DTW · 2h 46m
5:12 pmBUF
Delta Air Lines
12:00 pmBUF
4h 18m
DTW · 1h 28m
4:18 pmIAD

Round-trip total · 1 adult · Taxes included

Make this trip yours

IAD ⇄ 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 routeOct 30, 2026 → Nov 2, 2026Oct 31, 2026 → Nov 7, 2026Nov 13, 2026 → Nov 16, 2026Nov 14, 2026 → Nov 21, 2026Nov 24, 2026 → Nov 29, 2026Nov 27, 2026 → Nov 30, 2026Nov 28, 2026 → Dec 5, 2026Dec 11, 2026 → Dec 14, 2026Dec 12, 2026 → Dec 19, 2026Dec 22, 2026 → Dec 27, 2026Dec 25, 2026 → Dec 28, 2026Dec 26, 2026 → Jan 2, 2027Dec 30, 2026 → Jan 2, 2027Jan 8, 2027 → Jan 11, 2027Jan 9, 2027 → Jan 16, 2027Jan 15, 2027 → Jan 18, 2027Jan 22, 2027 → Jan 25, 2027Jan 23, 2027 → Jan 30, 2027Feb 5, 2027 → Feb 8, 2027Feb 6, 2027 → Feb 13, 2027Feb 12, 2027 → Feb 15, 2027Mar 5, 2027 → Mar 8, 2027Mar 6, 2027 → Mar 13, 2027Mar 25, 2027 → Mar 29, 2027Apr 2, 2027 → Apr 5, 2027Apr 3, 2027 → Apr 10, 2027Apr 30, 2027 → May 3, 2027May 1, 2027 → May 8, 2027May 28, 2027 → May 31, 2027May 29, 2027 → Jun 5, 2027Jun 25, 2027 → Jun 28, 2027Jun 26, 2027 → Jul 3, 2027Jul 2, 2027 → Jul 6, 2027Jul 23, 2027 → Jul 26, 2027Jul 24, 2027 → Jul 31, 2027Aug 20, 2027 → Aug 23, 2027Aug 21, 2027 → Aug 28, 2027Sep 3, 2027 → Sep 6, 2027Sep 17, 2027 → Sep 20, 2027Oct 30, 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)
2027-01-20 → 2027-02-03United AirlinesUA4248 / UA4255$285.002026-10-29T01:05:49Z
2027-01-20 → 2027-02-03Delta Air LinesDL5618 + DL5250 / DL4636 + DL5413$330.002026-10-29T01:05:49Z
2027-01-20 → 2027-02-03United AirlinesUA4335 / UA4255$285.002026-10-29T01:05:49Z
2027-01-20 → 2027-02-03United AirlinesUA1359 + UA3529 / UA4255$302.502026-10-29T01:05:49Z
2027-01-20 → 2027-02-03Delta Air LinesDL5517 + DL4642 / DL4636 + DL5413$330.002026-10-29T01:05:49Z

2027-01-20 → 2027-02-03 · $285.00

  • United Airlines UA4248: IAD 2027-01-20 08:32:00 → BUF 2027-01-20 09:54:00; nonstop; 82 minutes. Local airport times.
  • United Airlines UA4255: BUF 2027-02-03 10:35:00 → IAD 2027-02-03 11:55:00; nonstop; 80 minutes. Local airport times.

2027-01-20 → 2027-02-03 · $330.00

  • Delta Air Lines DL5618 / DL5250: IAD 2027-01-20 12:35:00 → BUF 2027-01-20 19:19:00; 1 stop(s) via JFK; 404 minutes. Local airport times.
    • DL5618: IAD 2027-01-20 12:35:00 → JFK 2027-01-20 14:01:00; layover at JFK: 214 minutes.
    • DL5250: JFK 2027-01-20 17:35:00 → BUF 2027-01-20 19:19:00.
  • Delta Air Lines DL4636 / DL5413: BUF 2027-02-03 12:00:00 → IAD 2027-02-03 16:18:00; 1 stop(s) via DTW; 258 minutes. Local airport times.
    • DL4636: BUF 2027-02-03 12:00:00 → DTW 2027-02-03 13:17:00; layover at DTW: 88 minutes.
    • DL5413: DTW 2027-02-03 14:45:00 → IAD 2027-02-03 16:18:00.

2027-01-20 → 2027-02-03 · $285.00

  • United Airlines UA4335: IAD 2027-01-20 12:46:00 → BUF 2027-01-20 14:15:00; nonstop; 89 minutes. Local airport times.
  • United Airlines UA4255: BUF 2027-02-03 10:35:00 → IAD 2027-02-03 11:55:00; nonstop; 80 minutes. Local airport times.

2027-01-20 → 2027-02-03 · $302.50

  • United Airlines UA1359 / UA3529: IAD 2027-01-20 06:10:00 → BUF 2027-01-20 10:08:00; 1 stop(s) via EWR; 238 minutes. Local airport times.
    • UA1359: IAD 2027-01-20 06:10:00 → EWR 2027-01-20 07:28:00; layover at EWR: 72 minutes.
    • UA3529: EWR 2027-01-20 08:40:00 → BUF 2027-01-20 10:08:00.
  • United Airlines UA4255: BUF 2027-02-03 10:35:00 → IAD 2027-02-03 11:55:00; nonstop; 80 minutes. Local airport times.

2027-01-20 → 2027-02-03 · $330.00

  • Delta Air Lines DL5517 / DL4642: IAD 2027-01-20 11:30:00 → BUF 2027-01-20 17:12:00; 1 stop(s) via DTW; 342 minutes. Local airport times.
    • DL5517: IAD 2027-01-20 11:30:00 → DTW 2027-01-20 13:09:00; layover at DTW: 166 minutes.
    • DL4642: DTW 2027-01-20 15:55:00 → BUF 2027-01-20 17:12:00.
  • Delta Air Lines DL4636 / DL5413: BUF 2027-02-03 12:00:00 → IAD 2027-02-03 16:18:00; 1 stop(s) via DTW; 258 minutes. Local airport times.
    • DL4636: BUF 2027-02-03 12:00:00 → DTW 2027-02-03 13:17:00; layover at DTW: 88 minutes.
    • DL5413: DTW 2027-02-03 14:45:00 → IAD 2027-02-03 16:18:00.

More dates for this route