Nonstop flights from Buffalo to Washington

3 airlines fly from Buffalo (BUF) to 3 Washington airports (BWI, IAD and DCA), with up to 12 flights a day.

BUFBWI

Routes

3 airport pairs

When they leave

Buffalo time

5:00a7:59pFirst departure 5:00 AM, last 7:59 PM

10 in the morning, 5:00 AM to 11:59 AM, then four in the afternoon, 2:50 PM to 3:55 PM, then three in the evening, 5:38 PM to 7:59 PM.

Every flight

Earliest first

5:00 AM→6:19 AMBUF to DCAAmerican AirlinesEmbraer 175Mon, Tue, Wed, Thu, Fri, Sat
5:22 AM→6:48 AMBUF to DCAAmerican AirlinesCRJ 900Sun
5:40 AM→6:50 AMBUF to BWISouthwest AirlinesBoeing 737Daily
6:12 AM→7:35 AMBUF to IADUnited AirlinesCRJ 700Mon, Thu, Fri, Sat, Sun
8:45 AM→9:55 AMBUF to BWISouthwest AirlinesBoeing 737-700Mon
8:50 AM→10:05 AMBUF to BWISouthwest AirlinesBoeing 737-700Wed, Sat
9:40 AM→10:50 AMBUF to BWISouthwest AirlinesBoeing 737-700Thu, Fri
9:40 AM→10:50 AMBUF to BWISouthwest AirlinesBoeing 737Sun
10:30 AM→11:50 AMBUF to IADUnited AirlinesCRJ 700Daily
11:25 AM→12:40 PMBUF to BWISouthwest AirlinesBoeing 737 MAX 8Tue, Wed, Thu, Fri, Sat, Sun
11:59 AM→1:31 PMBUF to DCAAmerican AirlinesEmbraer 175Daily
2:50 PM→4:05 PMBUF to BWISouthwest AirlinesBoeing 737-700Mon
2:53 PM→4:13 PMBUF to IADUnited AirlinesEmbraer ERJDaily
3:00 PM→4:20 PMBUF to BWISouthwest AirlinesBoeing 737 MAX 8Mon, Tue, Wed, Sat, Sun
3:55 PM→5:10 PMBUF to BWISouthwest AirlinesBoeing 737 MAX 8Thu, Fri
5:38 PM→7:15 PMBUF to DCAAmerican AirlinesCRJ 700Daily
5:55 PM→7:15 PMBUF to BWISouthwest AirlinesBoeing 737 MAX 8Mon
7:59 PM→9:19 PMBUF to IADUnited AirlinesEmbraer ERJMon, Tue, Wed, Thu, Fri, Sun
7:59 PM→9:19 PMBUF to IADUnited AirlinesEmbraer 175Sat

Schedules last checked Sep 19, 2026. Times are local.

Flying from Buffalo to Washington

Southwest Airlines flies most often, 3 to 5 times a day on the Boeing 737 MAX 8, Boeing 737-700 and Boeing 737. United Airlines flies 3 to 4 times a day on the CRJ 700, Embraer ERJ and Embraer 175. American Airlines flies 3 times a day on the Embraer 175, CRJ 700 and CRJ 900.

Flights run every day of the week, from 9 on Tuesdays to 12 on Mondays. The first arrival in Washington is at 6:19 AM and the last at 9:19 PM.

BUF to BWI is the busiest airport pair, with 28 flights a week, then BUF to IAD with 26 and BUF to DCA with 21.

Flying back, Washington to Buffalo has 74 nonstop flights a week.

Return flights

Washington to BuffaloView

Find the cheapest day to fly from Buffalo to Washington.

Schedules as of Oct 9, 2026.