United Airlines flights from BUF to IAD
Find comprehensive United Airlines flight information, schedules, and booking details for direct flights from BUF to IAD. United Airlines operates 3 flights daily flights on this route.• Flight Duration: 1h 14m - 1h 38m (average flight time)• Distance: 285 miles (459 km) (air miles between airports)• Daily Flights: 3 flights (scheduled departures per day)
BUF
IAD
FLIGHT TIME
1h 14m - 1h 38m
FLIGHT DISTANCE
285 miles (459 km)
1h 18m - 1h 26m
10:37
19:30
285 miles (459 km)
March
1 (Show)
21
United Airlines Flight Schedule from BUF to IAD
| Flight | Airline | Departure | Arrival | Aircraft |
|---|---|---|---|---|
UA4020 |  United Airlines | 10:37 | 11:55:00 | Embraer 175 (Enhanced Winglets) |
UA4291 | United Airlines | 14:55 | 16:21:00 | Embraer RJ135 / RJ140 / RJ145 |
UA4270 | United Airlines | 19:30 | 20:54:00 | Embraer RJ135 / RJ140 / RJ145 |
United Airlines Monthly Flight Calendar
December 2025
Route Insights
Duration variability: Flight duration on this route can vary based on aircraft type, wind conditions, and airline scheduling. Average duration is 1h 14m - 1h 38m.
Pricing patterns: March typically offers lower prices due to reduced demand outside peak travel seasons.
Best departure times: Peak departure times are 10:00, 14:00, 19:00, offering more flight options and potentially better connections.
BUF - IAD flight price statistics
$288
ApproximateThe numbers are average prices found based on user searches for direct flights between the airports. It's calculated from the cheapest prices found per month for a round-trip with 1 adult and can vary depending on the amount of data we have for this particular route.
$287
Jan$284
Feb$218
Mar$368
Apr$373
May$239
Jun$259
Jul$300
Aug$240
Sep$261
Oct$359
Nov$270
DecUnited Airlines Terminal Information
Terminal information for United Airlines on this route is currently being updated. Please check back soon or contact the airports directly for terminal details.
Frequently Asked Questions about United Airlines Flights
How many United Airlines flights operate from BUF to IAD?
United Airlines operates 3 flights from BUF to IAD.
What city does IAD airport serve?
IAD airport serves Washington.
How long is the United Airlines flight from BUF to IAD?
The flight duration is approximately 1h 14m - 1h 38m.
What is the distance from BUF to IAD?
The distance is 285 miles (459 km).
What aircraft does United Airlines use on this route?
United Airlines uses Embraer 175 (Enhanced Winglets), Embraer RJ135 / RJ140 / RJ145 on this route.
What are the earliest and latest United Airlines flight departure times?
The earliest United Airlines flight departs at 10:37 and the latest departs at 19:30.
What is the cheapest month to fly United Airlines from BUF to IAD?
March is typically the cheapest month to fly United Airlines on this route.
What is the average price for a United Airlines flight from BUF to IAD?
The average price for a round-trip United Airlines flight on this route is approximately $288. Prices can vary based on booking time and demand.
How many United Airlines flights operate per week on this route?
United Airlines operates approximately 21 flights per week from BUF to IAD.