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

BUF Airport Page →
284 mi airlines charter/private 91/wk
On-time Some delays Frequent delays
Flight Schedule 35 flights Verified 55m ago
Also flown by charter / private operators: NetJets Aviation.
Nonstop Charter / private 1-Stop 2-Stop Hide separate tickets Hide overnight Hide codeshares
  Flight Airline AC Dep Arr Dur OTP Sched  
✈ Nonstop
UA4190
UA United
CR5
6:12 AM
EDT
7:35 AM
EDT
1h 23m
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
UA3668
UA United
E7W
6:15 AM
EDT
7:34 AM
EDT
1h 19m
M T W T F S S
Prices
UA4192
UA United
CR5
10:30 AM
EDT
11:50 AM
EDT
1h 20m
M T W T F S S
Prices
AV2043cs
AV avianca
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
CM2149cs
CM Copa
CR5
10:34 AM
EDT
11:48 AM
EDT
1h 14m
M T W T F S S
Prices
UA3430+2
UA United
E7W
10:34 AM
EDT
11:50 AM
EDT
1h 16m
M T W T F S S
Prices
UA3452
UA United
E7W
2:53 PM
EDT
4:13 PM
EDT
1h 20m
M T W T F S S
Prices
SN8961cs
SN Brussels Airlines
CR5
3:00 PM
EDT
4:22 PM
EDT
1h 22m
M T W T F S S
Prices
UA4291+1
UA United
ERJ
3:00 PM
EDT
4:23 PM
EDT
1h 23m
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
UA4270+2
UA United
E145
7:52 PM
EDT
9:15 PM
EDT
1h 23m
M T W T F S S
Prices
AV2044cs
AV avianca
ERJ
7:52 PM
EDT
9:15 PM
EDT
1h 23m
M T W T F S S
Prices
CM2148cs
CM Copa
E145
7:52 PM
EDT
9:15 PM
EDT
1h 23m
M T W T F S S
Prices
UA4539
UA United
CR5
7:59 PM
EDT
9:17 PM
EDT
1h 18m
M T W T F S S
Prices
UA4041
UA United
E7W
7:59 PM
EDT
9:19 PM
EDT
1h 20m
M T W T F S S
Prices
UA4378
UA United
ERJ
7:59 PM
EDT
9:19 PM
EDT
1h 20m
M T W T F S S
Prices
UA4476
UA United
CR5
8:25 AM
EDT
9:48 AM
EDT
1h 23m
41%
M T W T F S S
Prices
UA4606
UA United
CR5
8:25 AM
EDT
9:50 AM
EDT
1h 25m
41%
M T W T F S S
Prices
UA3514+1
UA United
E75L
8:25 AM
EDT
9:51 AM
EDT
1h 26m
41%
M T W T F S S
Prices
CM1239cs
CM Copa
CR5
8:25 AM
EDT
9:50 AM
EDT
1h 25m
47%
M T W T F S S
Prices
UA3520
UA United
E7W
12:45 PM
EDT
2:12 PM
EDT
1h 27m
41%
M T W T F S S
Prices
UA4335
UA United
ERJ
12:59 PM
EDT
2:25 PM
EDT
1h 26m
41%
M T W T F S S
Prices
UA4485
UA United
CR7
12:59 PM
EDT
2:24 PM
EDT
1h 25m
41%
M T W T F S S
Prices
UA4823+3
UA United
E145
5:30 PM
EDT
7:03 PM
EDT
1h 33m
41%
M T W T F S S
Prices
AV2042cs
AV avianca
ERJ
5:30 PM
EDT
7:03 PM
EDT
1h 33m
M T W T F S S
Prices
SN8933cs
SN Brussels Airlines
E145
5:30 PM
EDT
7:03 PM
EDT
1h 33m
M T W T F S S
Prices
UA6149
UA United
E7W
5:36 PM
EDT
7:00 PM
EDT
1h 24m
41%
M T W T F S S
Prices
CM2142cs
CM Copa
ERJ
5:36 PM
EDT
7:09 PM
EDT
1h 33m
47%
M T W T F S S
Prices
UA4358
UA United
ERJ
5:36 PM
EDT
7:00 PM
EDT
1h 24m
41%
M T W T F S S
Prices
UA4480
UA United
CR5
10:18 PM
EDT
11:44 PM
EDT
1h 26m
41%
M T W T F S S
Prices
UA4546
UA United
CR5
10:26 PM
EDT
11:58 PM
EDT
1h 32m
41%
M T W T F S S
Prices
UA3516
UA United
E7W
10:26 PM
EDT
11:59 PM
EDT
1h 33m
41%
M T W T F S S
Prices
UA4573
UA United
CR5
10:26 PM
EDT
11:58 PM
EDT
1h 32m
41%
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
PHL Philadelphia 3h 25m AAASBA ACAVCM Philadelphia (PHL) to Dulles flights
EWR Newark 3h 38m CMOSUA AVAZET Newark (EWR) to Dulles flights
RDU Raleigh/Durham 3h 51m F9 ACAVAZ Raleigh/Durham (RDU) to Dulles flights
BOS Boston 3h 55m AAB6EI AVAZCM Boston (BOS) to Dulles flights
DTW Detroit 3h 57m AMDLKE AFAMAV Detroit (DTW) to Dulles flights
JFK New York 4h 9m AFAMAT AMCIDL New York (JFK) to Dulles flights
CLT Charlotte 4h 16m AA AAACAT Charlotte (CLT) to Dulles flights
BNA Nashville 4h 36m WN AVAZCM Nashville (BNA) to Dulles flights
LGA New York 4h 43m AADL AVNHUA New York (LGA) to Dulles flights
ATL Atlanta 4h 50m AFAMDL AMCMDL Atlanta (ATL) to Dulles flights
1-STOP More options, longer trips
2-STOP Loading... Reach the hardest destinations
Buffalo to Dulles
3 carriers, 91 flights/week nonstop.
3 Airlines 284 mi 1h 20m nonstop

BUF–IAD is served by 3 airlines with nonstop service. United Airlines, Delta Air Lines and Breeze Airways lead the route. The flight covers 284 miles in approximately 1h 20m. 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 56 CR5, E145, E7W, ERJ 1h14-1h23 100% Star Alliance AV, CM, SN
DL Delta Air Lines 0 100% SkyTeam
MX Breeze Airways 0 100%
Aircraft on this route
CR5 Bombardier CRJ-550 – CM, SN, UA
E145 Embraer ERJ-145 – CM, UA
E7W Embraer E175 – AV, UA
ERJ Embraer ERJ-135/140/145 – AV, UA
Alliance coverage
Star Alliance: UA (56 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
15
flights
Tue
11
flights
Wed
10
flights
Thu
14
flights
Fri
14
flights
Sat
13
flights
Sun
14
flights
Departure time distribution
12 AM6 AM12 PM6 PM12 AM
Morning departures
Afternoon/evening departures
18
Nonstop flights
91
Outbound / wk
79
Return / wk

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for BUF to IAD.
1-STOP
One-Stop Connections
23
Hubs
~3h
Fastest
~27h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
1,881
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
100%
Generally reliable. Most flights run on time.
Departing
100%
Arriving
100%
Return
IAD → BUF
75%
Generally reliable. Most flights run on time.
Departing
75%
Arriving
100%
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 11
Weekly flights 91 95
Flight time 1h 20m 0h 48m 1h 21m
Departure OTP 100%
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 20m 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 20m
Time difference0 hours
Airlines (nonstop)3
Weekly flights91 out / 79 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 20m gate to gate. The route covers 284 miles.
3 airlines operate flights from BUF to IAD: United Airlines, Delta Air Lines and Breeze Airways.
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 Philadelphia, Newark Liberty and Raleigh-Durham.
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 Breeze Airways. With 91 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 20 minutes gate to gate. The route covers a distance of 284 miles (457 km). There are approximately 91 weekly flights outbound and 79 return, totaling 170 flights per week in both directions.

Connecting Options and Alternatives

1-stop connecting options are also available, commonly via Philadelphia, Newark Liberty and Raleigh-Durham. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Niagara Falls (IAG), Rochester (ROC) and Toronto (YTZ).