Cheap flights from Dulles to Buffalo
Cheapest current fares: $86 in August 2026, 456 km direct flight in ~32m.
Cheapest month-by-month fares
Lowest available fare per calendar month from Dulles (IAD) to Buffalo (BUF). Refreshed daily.
Dulles (IAD) → Buffalo (BUF)
- August 2026 $86
- September 2026 $98
Frequently asked questions
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What is the cheapest month to fly from Dulles to Buffalo?
Based on current 6-month forward fare data, August 2026 is the cheapest month to fly from Dulles (IAD) to Buffalo (BUF), with fares starting from $86.
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What is the lowest current fare from IAD to BUF?
The lowest currently-listed fare from Dulles (IAD) to Buffalo (BUF) is $86 on 2026-08-19.
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How long is the flight from Dulles to Buffalo?
Direct flights from IAD to BUF cover approximately 456 km (283 miles), with an estimated flight time of 32m. Operating airlines: UA.
Related guides for this route
Sibling pages — full route detail, airport overviews, visa context, per-airline routes.