Buffalo to Dulles (BUF–IAD) — Airlines, Schedules & Connections

BUF Airport Page →
284 mi airlines charter/private 80/wk
On-time Some delays Frequent delays
Flight Schedule 36 flights Verified 37m ago
Also flown by charter / private operators.
Nonstop Charter / private 1-Stop 2-Stop Hide separate tickets Hide overnight Hide codeshares
  Flight Airline AC Dep Arr Dur OTP Sched  
✈ Nonstop
UA4534
UA United
CR7
6:09 AM
EDT
7:27 AM
EDT
1h 18m
M T W T F S S
Prices
UA3668
UA United
E7W
6:15 AM
EDT
7:34 AM
EDT
1h 19m
M T W T F S S
Prices
UA4342
UA United
ERJ
6:15 AM
EDT
7:34 AM
EDT
1h 19m
M T W T F S S
Prices
UA4498
UA United
CR5
6:15 AM
EDT
7:33 AM
EDT
1h 18m
M T W T F S S
Prices
UA3430
UA United
E7W
10:34 AM
EDT
11:50 AM
EDT
1h 16m
M T W T F S S
Prices
UA4468
UA United
CR5
10:34 AM
EDT
11:48 AM
EDT
1h 14m
M T W T F S S
Prices
UA4179+2
UA United
CR5
10:34 AM
EDT
11:48 AM
EDT
1h 14m
M T W T F S S
Prices
UA4274
UA United
ERJ
10:34 AM
EDT
11:50 AM
EDT
1h 16m
M T W T F S S
Prices
CM2149cs
CM Copa
CR7
10:34 AM
EDT
11:48 AM
EDT
1h 14m
M T W T F S S
Prices
AV2043cs
AV avianca
CR7
10:34 AM
EDT
11:48 AM
EDT
1h 14m
M T W T F S S
Prices
UA4548
UA United
CR5
3:00 PM
EDT
4:22 PM
EDT
1h 22m
M T W T F S S
Prices
UA4521
UA United
CR5
3:00 PM
EDT
4:22 PM
EDT
1h 22m
M T W T F S S
Prices
SN8961+2
SN Lynx Air
CR5
3:00 PM
EDT
4:22 PM
EDT
1h 22m
M T W T F S S
Prices
UA4270+2
UA United
ERJ
7:52 PM
EDT
9:15 PM
EDT
1h 23m
M T W T F S S
Prices
UA4432
UA United
CR5
7:52 PM
EDT
9:14 PM
EDT
1h 22m
M T W T F S S
Prices
AV2044cs
AV avianca
E145
7:52 PM
EDT
9:15 PM
EDT
1h 23m
M T W T F S S
Prices
CM2148cs
CM Copa
CR5
7:52 PM
EDT
9:14 PM
EDT
1h 22m
M T W T F S S
Prices
UA3437
UA United
E7W
7:52 PM
EDT
9:15 PM
EDT
1h 23m
M T W T F S S
Prices
UA4606
UA United
CR5
8:25 AM
EDT
9:50 AM
EDT
1h 25m
44%
M T W T F S S
Prices
UA4586
UA United
CR5
8:25 AM
EDT
9:50 AM
EDT
1h 25m
44%
M T W T F S S
Prices
UA3514
UA United
E7W
8:25 AM
EDT
9:51 AM
EDT
1h 26m
44%
M T W T F S S
Prices
UA4437+1
UA United
CR5
8:25 AM
EDT
9:50 AM
EDT
1h 25m
44%
M T W T F S S
Prices
CM1239cs
CM Copa
CR7
8:25 AM
EDT
9:50 AM
EDT
1h 25m
34%
M T W T F S S
Prices
UA4327
UA United
ERJ
8:25 AM
EDT
9:51 AM
EDT
1h 26m
44%
M T W T F S S
Prices
UA4559
UA United
CR5
12:53 PM
EDT
2:18 PM
EDT
1h 25m
44%
M T W T F S S
Prices
UA4485
UA United
CR5
12:59 PM
EDT
2:24 PM
EDT
1h 25m
44%
M T W T F S S
Prices
UA4335
UA United
ERJ
12:59 PM
EDT
2:25 PM
EDT
1h 26m
44%
M T W T F S S
Prices
UA4823+3
UA United
ERJ
5:30 PM
EDT
7:03 PM
EDT
1h 33m
44%
M T W T F S S
Prices
CM2142cs
CM Copa
CR5
5:30 PM
EDT
7:02 PM
EDT
1h 32m
34%
M T W T F S S
Prices
UA4514
UA United
CR5
5:30 PM
EDT
7:02 PM
EDT
1h 32m
44%
M T W T F S S
Prices
UA3546
UA United
E7W
5:30 PM
EDT
7:03 PM
EDT
1h 33m
44%
M T W T F S S
Prices
AV2042cs
AV avianca
ERJ
5:30 PM
EDT
7:03 PM
EDT
1h 33m
46%
M T W T F S S
Prices
SN8933cs
SN Lynx Air
CR5
5:30 PM
EDT
7:02 PM
EDT
1h 32m
M T W T F S S
Prices
UA3516
UA United
E7W
10:26 PM
EDT
11:59 PM
EDT
1h 33m
44%
M T W T F S S
Prices
UA4474
UA United
CR5
10:26 PM
EDT
11:58 PM
EDT
1h 32m
44%
M T W T F S S
Prices
UA4546
UA United
CR5
10:26 PM
EDT
11:58 PM
EDT
1h 32m
44%
M T W T F S S
Prices

No flights match your filters.

No scheduled airline flights on this route — it's flown by charter / private operators (). No nonstop flights on this route. connecting options below.

✦ 1-Stop connections via 10 hubs
BWI Baltimore 3h 36m WN UA Baltimore (BWI) to Dulles flights
DTW Detroit 3h 38m AFAMDL AFAMAV Detroit (DTW) to Dulles flights
EWR Newark 3h 45m CMOSUA AVAZEJA Newark (EWR) to Dulles flights
BOS Boston 4h 4m AAB6EI AVAZCM Boston (BOS) to Dulles flights
JFK New York 4h 6m AFAMAT AMBACI New York (JFK) to Dulles flights
CLT Charlotte 4h 18m AAF9XSR AAACAT Charlotte (CLT) to Dulles flights
BNA Nashville 4h 49m WN AVAZCM Nashville (BNA) to Dulles flights
ATL Atlanta 4h 50m AFAMDL AFAMCM Atlanta (ATL) to Dulles flights
ORD Chicago 4h 52m AAACAS ACAVAZ Chicago (ORD) to Dulles flights
PHL Philadelphia 5h 44m AAASBA ACAVCM Philadelphia (PHL) to Dulles flights
1-STOP More options, longer trips
2-STOP Loading... Reach the hardest destinations
Buffalo to Dulles
3 carriers, 80 flights/week nonstop.
3 Airlines 284 mi 1h 19m nonstop

BUF–IAD is served by 3 airlines with nonstop service. United Airlines, Delta Air Lines and Mexicana lead the route. The flight covers 284 miles in approximately 1h 19m. Beyond nonstop, 1-stop connecting options are also available.

Airline Landscape

All carriers operating nonstop BUF–IAD service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
UA United Airlines Also: AV, CM, SN 45 CR5, CR7, E7W, ERJ 1h14-1h23 80% Star Alliance AV, CM, SN
DL Delta Air Lines 0 80% SkyTeam
MX Mexicana 0 80%
Aircraft on this route
CR5 Bombardier CRJ-550 – CM, SN, UA
CR7 Bombardier CRJ-700 – AV, CM, UA
E145 Embraer ERJ-145 – AV
E7W Embraer E175 – UA
ERJ Embraer ERJ-135/140/145 – UA
Alliance coverage
Star Alliance: UA (45 flights/wk, 100%)
SkyTeam: DL (0 flights/wk, 0%)
Unaffiliated: MX (0 flights/wk, 0%)
OTP based on airport-level delay snapshots. Duration ranges reflect seasonal/directional variation.

Weekly Schedule Pattern

Nonstop flight frequency by day of week, BUF to IAD direction.
Mon
12
flights
Tue
8
flights
Wed
8
flights
Thu
11
flights
Fri
12
flights
Sat
16
flights
Sun
13
flights
Departure time distribution
12 AM6 AM12 PM6 PM12 AM
Morning departures
Afternoon/evening departures
18
Nonstop flights
80
Outbound / wk
75
Return / wk

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for BUF to IAD.
1-STOP
One-Stop Connections
36
Hubs
~3h
Fastest
~27h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
1,936
Candidates
Two-stop connections loaded in the connections tab above.
Connections computed from published schedules with minimum connection time verification. Use the interactive explorer above the fold to filter by airline, tier, and layover time.

On-Time Performance

What to expect at each end of your journey.
Outbound
BUF → IAD
80%
Generally reliable. Most flights run on time.
Departing
80%
Arriving
78%
Return
IAD → BUF
57%
Frequent delays expected. Consider flexible booking.
Departing
57%
Arriving
94%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. BUF delays → IAD delays →

Other ways to reach Dulles from Buffalo

Nearby airports with service to Washington Dulles International Airport.
Metric BUF→IAD IAG→IAD ROC→IAD
Distance from BUF 16 mi 55 mi
Nonstop airlines 3 1 10
Weekly flights 80 1 103
Flight time 1h 19m 0h 48m 1h 17m
Departure OTP 80%
Airports within 200 miles of BUF with service to Washington Dulles International Airport.

Travel Essentials

Practical planning for this route.
Time Difference
0h
Dulles is 0 hours the same as Buffalo.
BUF: EDT · IAD: EDT

When it's 6:00 PM in Buffalo, it's 6:00 PM in Dulles.
Distance & Flight Time
284 mi / 457 km
Nonstop flight time is approximately 1h 19m gate to gate.
Getting from IAD

Silver Line Metro runs from Washington Dulles Airport station to Metro Center in about 65 minutes (~$7). The route bypasses I-66 and I-495 congestion entirely. Washington Flyer coach also runs to Wiehle-Reston East station ($6, 15 min) for Metro connection.Taxis and ride-shares to downtown DC cost $55–80 and take 35–55 minutes depending on traffic. Car rental facilities are on-site. Dulles is 27 miles west of the Capitol; it is farther than either DCA or BWI from central DC.

Dulles Climate

Humid continental climate. Summers are hot and muggy (30–36°C) with frequent afternoon thunderstorms that cause delays June through August. Winters bring cold temperatures (−3 to 5°C) with snow and ice. The Virginia suburbs accumulate more snow than downtown DC, and ice storms are the primary disruption risk.

Dulles sits at higher elevation in Virginia's piedmont and sees more winter precipitation than DCA. Spring and fall are variable. Snowfall is possible into April. Thunderstorms begin from April through May.

BUF–IAD Quick Facts

Key statistics for the Buffalo to Dulles route.
Route details
Distance284 mi / 457 km
Flight time1h 19m
Time difference0 hours
Airlines (nonstop)3
Weekly flights80 out / 75 return
1-stop connectionsAvailable
Origin: BUF
IATA / ICAOBUF / KBUF
TimezoneAmerica/New_York
Passengers/yr5.0M
Elevation728 ft / 222 m
Destination: IAD
IATA / ICAOIAD / KIAD
TimezoneAmerica/New_York
Passengers/yr26.0M
Elevation312 ft / 95 m

Frequently Asked Questions

Common questions about BUF to IAD flights.
Nonstop flights from Buffalo Niagara International Airport to Washington Dulles International Airport take about 1h 19m gate to gate. The route covers 284 miles.
3 airlines operate flights from BUF to IAD: United Airlines, Delta Air Lines and Mexicana.
This route has frequent daily service. Check the schedule above for departure days and times in each direction.
Yes, 1-stop connections are available, ranked by layover time. Common connecting points include Baltimore/Washington International Thurgood Marshall, Detroit Metropolitan Wayne County and Newark Liberty.
Yes, return flights from IAD to BUF are available. Use the direction toggle at the top to view the return schedule.
Nearby alternatives include IAG, ROC and YTZ. See the Alternatives section for a full comparison.
Click the 'Search Flights' button to check availability and prices on Google Flights. You can also compare airlines and schedules on this page to find the best option.
See the On-Time Performance section for the latest delay data at both airports. This shows departure and arrival reliability to help you plan.
Route data is updated regularly from official airline schedules. On-time performance data comes from recent airport delay snapshots.

Flights from BUF to IAD

Buffalo Niagara International Airport (BUF) and Washington Dulles International Airport (IAD) are connected by nonstop service from United Airlines, Delta Air Lines and Mexicana. With 80 weekly departures, this is a heavily served route.

BUF to IAD Flight Duration and Schedule

Nonstop flight time from BUF to IAD is about 1 hours 19 minutes gate to gate. The route covers a distance of 284 miles (457 km). There are approximately 80 weekly flights outbound and 75 return, totaling 155 flights per week in both directions.

Connecting Options and Alternatives

1-stop connecting options are also available, commonly via Baltimore/Washington International Thurgood Marshall, Detroit Metropolitan Wayne County and Newark Liberty. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Niagara Falls (IAG), Rochester (ROC) and Toronto (YTZ).