Washington to Buffalo flights

Airport to city: straight-line distance

• Ronald Reagan Washington National Airport (DCA) → Washington, city gazetteer reference point (38.8951, -77.0364): ≈ 5 km.
• Washington Dulles International Airport (IAD) → Washington, city gazetteer reference point (38.8951, -77.0364): ≈ 37 km.
• Buffalo Niagara International Airport (BUF) → Buffalo, city gazetteer reference point (42.8864, -78.8784): ≈ 13 km.

Approximate distances calculated from coordinates, not road distances or travel times. These airports serve the city; they are not confirmed endpoints of an offer.

One-way fares checked in the last 14 days. Each figure is the lowest priced departure day we saw, not a guaranteed fare.

Lowest fare by days before departure

Lowest fare from Washington to Buffalo by days until departure (31 to 60 days): €71 (checked 22 Oct 2026).

One-way fares checked in the last 14 days. Each figure is the lowest stored fare for that distance to departure, not a price forecast.

Fares for different departure dates, checked now; not a guide to when to book.

Lowest one-way fare we saw per airline

Cheapest airline from Washington to Buffalo: Frontier Airlines, from €71 (checked 22 Oct 2026).

One-way fares checked in the last 14 days. An airline listed here had a fare on at least 3 departure days. Each figure is the lowest we saw, not a guaranteed fare. Connecting itineraries are included; the date is the departure day of that fare.