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Dulles → Buffalo

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IAD → BUF1 adulteconomy

15 flight options · 2 airlines

Round-trip flights

Fri, Nov 20 – Mon, Nov 23

United Airlines
5:50 pmIAD
1h 29m
Nonstop
7:19 pmBUF
United Airlines
7:52 pmBUF
1h 33m
Nonstop
9:25 pmIAD

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

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

Fri, Nov 27 – Fri, Dec 4

United Airlines
5:50 pmIAD
1h 29m
Nonstop
7:19 pmBUF
United Airlines
3:00 pmBUF
1h 25m
Nonstop
4:25 pmIAD

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

United Airlines
8:32 amIAD
1h 21m
Nonstop
9:53 amBUF
United Airlines
7:52 pmBUF
1h 33m
Nonstop
9:25 pmIAD

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

United Airlines
8:32 amIAD
1h 21m
Nonstop
9:53 amBUF
United Airlines
3:00 pmBUF
1h 25m
Nonstop
4:25 pmIAD

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

United Airlines
6:10 amIAD
3h 58m
EWR · 1h 12m
10:08 amBUF
United Airlines
7:52 pmBUF
1h 33m
Nonstop
9:25 pmIAD

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

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

Fri, Nov 27 – Fri, Dec 4

United Airlines
6:10 amIAD
3h 58m
EWR · 1h 12m
10:08 amBUF
United Airlines
3:00 pmBUF
1h 25m
Nonstop
4:25 pmIAD

Round-trip total · 1 adult · Taxes included

Show 2 more flights

Fri, Nov 27 – Fri, Dec 4

Delta Air Lines
12:35 pmIAD
6h 44m
JFK · 3h 34m
7:19 pmBUF
Delta Air Lines
11:24 amBUF
4h 53m
JFK · 1h 56m
4:17 pmIAD

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

Delta Air Lines
11:30 amIAD
5h 42m
DTW · 2h 46m
5:12 pmBUF
Delta Air Lines
11:24 amBUF
4h 53m
JFK · 1h 56m
4:17 pmIAD

Round-trip total · 1 adult · Taxes included

One-way flights

Fri, Nov 20 · One way

United Airlines
8:32 amIAD
1h 21m
Nonstop
9:53 amBUF

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

Delta Air Lines
11:30 amIAD
5h 42m
DTW · 2h 46m
5:12 pmBUF

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

United Airlines
5:50 pmIAD
1h 29m
Nonstop
7:19 pmBUF

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

United Airlines
6:10 amIAD
3h 58m
EWR · 1h 12m
10:08 amBUF

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

Delta Air Lines
12:35 pmIAD
6h 44m
JFK · 3h 34m
7:19 pmBUF

One-way 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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  • A real airline bookingThe booking is in the airline’s own system under your name. After you book, United 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
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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

More dates

Nov 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)
2026-11-20 · one wayUnited AirlinesUA4567$155.002026-10-29T01:05:49Z
2026-11-20 → 2026-11-23United AirlinesUA6115 / UA4270$285.002026-10-29T01:05:49Z
2026-11-20 · one wayDelta Air LinesDL5517 + DL4642$180.002026-10-29T01:05:49Z
2026-11-20 → 2026-11-23Delta Air LinesDL5517 + DL4642 / DL4636 + DL5413$330.002026-10-29T01:05:49Z
2026-11-27 → 2026-12-04United AirlinesUA6115 / UA4291$334.882026-10-29T01:05:49Z
2026-11-20 · one wayUnited AirlinesUA6115$155.002026-10-29T01:05:49Z
2026-11-20 → 2026-11-23United AirlinesUA4567 / UA4270$285.002026-10-29T01:05:49Z
2026-11-27 → 2026-12-04United AirlinesUA4567 / UA4291$334.882026-10-29T01:05:49Z
2026-11-20 · one wayUnited AirlinesUA1359 + UA3529$175.002026-10-29T01:05:49Z
2026-11-20 · one wayDelta Air LinesDL5618 + DL5250$180.002026-10-29T01:05:49Z
2026-11-20 → 2026-11-23United AirlinesUA1359 + UA3529 / UA4270$302.502026-10-29T01:05:49Z
2026-11-20 → 2026-11-23Delta Air LinesDL5618 + DL5250 / DL4636 + DL5413$330.002026-10-29T01:05:49Z
2026-11-27 → 2026-12-04United AirlinesUA1359 + UA3529 / UA4291$358.502026-10-29T01:05:49Z
2026-11-27 → 2026-12-04Delta Air LinesDL5618 + DL5250 / DL5426 + DL4769$387.752026-10-29T01:05:49Z
2026-11-27 → 2026-12-04Delta Air LinesDL5517 + DL4642 / DL5426 + DL4769$387.752026-10-29T01:05:49Z

2026-11-20 · one way · $155.00

  • United Airlines UA4567: IAD 2026-11-20 08:32:00 → BUF 2026-11-20 09:53:00; nonstop; 81 minutes. Local airport times.

2026-11-20 → 2026-11-23 · $285.00

  • United Airlines UA6115: IAD 2026-11-20 17:50:00 → BUF 2026-11-20 19:19:00; nonstop; 89 minutes. Local airport times.
  • United Airlines UA4270: BUF 2026-11-23 19:52:00 → IAD 2026-11-23 21:25:00; nonstop; 93 minutes. Local airport times.

2026-11-20 · one way · $180.00

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

2026-11-20 → 2026-11-23 · $330.00

  • Delta Air Lines DL5517 / DL4642: IAD 2026-11-20 11:30:00 → BUF 2026-11-20 17:12:00; 1 stop(s) via DTW; 342 minutes. Local airport times.
    • DL5517: IAD 2026-11-20 11:30:00 → DTW 2026-11-20 13:09:00; layover at DTW: 166 minutes.
    • DL4642: DTW 2026-11-20 15:55:00 → BUF 2026-11-20 17:12:00.
  • Delta Air Lines DL4636 / DL5413: BUF 2026-11-23 12:00:00 → IAD 2026-11-23 16:18:00; 1 stop(s) via DTW; 258 minutes. Local airport times.
    • DL4636: BUF 2026-11-23 12:00:00 → DTW 2026-11-23 13:17:00; layover at DTW: 88 minutes.
    • DL5413: DTW 2026-11-23 14:45:00 → IAD 2026-11-23 16:18:00.

2026-11-27 → 2026-12-04 · $334.88

  • United Airlines UA6115: IAD 2026-11-27 17:50:00 → BUF 2026-11-27 19:19:00; nonstop; 89 minutes. Local airport times.
  • United Airlines UA4291: BUF 2026-12-04 15:00:00 → IAD 2026-12-04 16:25:00; nonstop; 85 minutes. Local airport times.

2026-11-20 · one way · $155.00

  • United Airlines UA6115: IAD 2026-11-20 17:50:00 → BUF 2026-11-20 19:19:00; nonstop; 89 minutes. Local airport times.

2026-11-20 → 2026-11-23 · $285.00

  • United Airlines UA4567: IAD 2026-11-20 08:32:00 → BUF 2026-11-20 09:53:00; nonstop; 81 minutes. Local airport times.
  • United Airlines UA4270: BUF 2026-11-23 19:52:00 → IAD 2026-11-23 21:25:00; nonstop; 93 minutes. Local airport times.

2026-11-27 → 2026-12-04 · $334.88

  • United Airlines UA4567: IAD 2026-11-27 08:32:00 → BUF 2026-11-27 09:53:00; nonstop; 81 minutes. Local airport times.
  • United Airlines UA4291: BUF 2026-12-04 15:00:00 → IAD 2026-12-04 16:25:00; nonstop; 85 minutes. Local airport times.

2026-11-20 · one way · $175.00

  • United Airlines UA1359 / UA3529: IAD 2026-11-20 06:10:00 → BUF 2026-11-20 10:08:00; 1 stop(s) via EWR; 238 minutes. Local airport times.
    • UA1359: IAD 2026-11-20 06:10:00 → EWR 2026-11-20 07:28:00; layover at EWR: 72 minutes.
    • UA3529: EWR 2026-11-20 08:40:00 → BUF 2026-11-20 10:08:00.

2026-11-20 · one way · $180.00

  • Delta Air Lines DL5618 / DL5250: IAD 2026-11-20 12:35:00 → BUF 2026-11-20 19:19:00; 1 stop(s) via JFK; 404 minutes. Local airport times.
    • DL5618: IAD 2026-11-20 12:35:00 → JFK 2026-11-20 14:01:00; layover at JFK: 214 minutes.
    • DL5250: JFK 2026-11-20 17:35:00 → BUF 2026-11-20 19:19:00.

2026-11-20 → 2026-11-23 · $302.50

  • United Airlines UA1359 / UA3529: IAD 2026-11-20 06:10:00 → BUF 2026-11-20 10:08:00; 1 stop(s) via EWR; 238 minutes. Local airport times.
    • UA1359: IAD 2026-11-20 06:10:00 → EWR 2026-11-20 07:28:00; layover at EWR: 72 minutes.
    • UA3529: EWR 2026-11-20 08:40:00 → BUF 2026-11-20 10:08:00.
  • United Airlines UA4270: BUF 2026-11-23 19:52:00 → IAD 2026-11-23 21:25:00; nonstop; 93 minutes. Local airport times.

2026-11-20 → 2026-11-23 · $330.00

  • Delta Air Lines DL5618 / DL5250: IAD 2026-11-20 12:35:00 → BUF 2026-11-20 19:19:00; 1 stop(s) via JFK; 404 minutes. Local airport times.
    • DL5618: IAD 2026-11-20 12:35:00 → JFK 2026-11-20 14:01:00; layover at JFK: 214 minutes.
    • DL5250: JFK 2026-11-20 17:35:00 → BUF 2026-11-20 19:19:00.
  • Delta Air Lines DL4636 / DL5413: BUF 2026-11-23 12:00:00 → IAD 2026-11-23 16:18:00; 1 stop(s) via DTW; 258 minutes. Local airport times.
    • DL4636: BUF 2026-11-23 12:00:00 → DTW 2026-11-23 13:17:00; layover at DTW: 88 minutes.
    • DL5413: DTW 2026-11-23 14:45:00 → IAD 2026-11-23 16:18:00.

2026-11-27 → 2026-12-04 · $358.50

  • United Airlines UA1359 / UA3529: IAD 2026-11-27 06:10:00 → BUF 2026-11-27 10:08:00; 1 stop(s) via EWR; 238 minutes. Local airport times.
    • UA1359: IAD 2026-11-27 06:10:00 → EWR 2026-11-27 07:28:00; layover at EWR: 72 minutes.
    • UA3529: EWR 2026-11-27 08:40:00 → BUF 2026-11-27 10:08:00.
  • United Airlines UA4291: BUF 2026-12-04 15:00:00 → IAD 2026-12-04 16:25:00; nonstop; 85 minutes. Local airport times.

2026-11-27 → 2026-12-04 · $387.75

  • Delta Air Lines DL5618 / DL5250: IAD 2026-11-27 12:35:00 → BUF 2026-11-27 19:19:00; 1 stop(s) via JFK; 404 minutes. Local airport times.
    • DL5618: IAD 2026-11-27 12:35:00 → JFK 2026-11-27 14:01:00; layover at JFK: 214 minutes.
    • DL5250: JFK 2026-11-27 17:35:00 → BUF 2026-11-27 19:19:00.
  • Delta Air Lines DL5426 / DL4769: BUF 2026-12-04 11:24:00 → IAD 2026-12-04 16:17:00; 1 stop(s) via JFK; 293 minutes. Local airport times.
    • DL5426: BUF 2026-12-04 11:24:00 → JFK 2026-12-04 12:59:00; layover at JFK: 116 minutes.
    • DL4769: JFK 2026-12-04 14:55:00 → IAD 2026-12-04 16:17:00.

2026-11-27 → 2026-12-04 · $387.75

  • Delta Air Lines DL5517 / DL4642: IAD 2026-11-27 11:30:00 → BUF 2026-11-27 17:12:00; 1 stop(s) via DTW; 342 minutes. Local airport times.
    • DL5517: IAD 2026-11-27 11:30:00 → DTW 2026-11-27 13:09:00; layover at DTW: 166 minutes.
    • DL4642: DTW 2026-11-27 15:55:00 → BUF 2026-11-27 17:12:00.
  • Delta Air Lines DL5426 / DL4769: BUF 2026-12-04 11:24:00 → IAD 2026-12-04 16:17:00; 1 stop(s) via JFK; 293 minutes. Local airport times.
    • DL5426: BUF 2026-12-04 11:24:00 → JFK 2026-12-04 12:59:00; layover at JFK: 116 minutes.
    • DL4769: JFK 2026-12-04 14:55:00 → IAD 2026-12-04 16:17:00.

More dates for this route