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

BUF Airport Page →
284 mi airlines 87/wk
On-time Some delays Frequent delays
Flight Schedule 38 flights Verified 1d ago
Nonstop 1-Stop 2-Stop Hide separate tickets Hide overnight Hide codeshares
  Flight Airline AC Dep Arr Dur OTP Sched  
✈ Nonstop
UA3984
UA United
E7W
6:09 AM
EDT
7:28 AM
EDT
1h 19m
M T W T F S S
Prices
CM1075+2
CM Copa
CR5
6:09 AM
EDT
7:35 AM
EDT
1h 26m
M T W T F S S
Prices
UA3433
UA United
E7W
6:09 AM
EDT
7:28 AM
EDT
1h 19m
M T W T F S S
Prices
UA4059
UA United
E7W
6:10 AM
EDT
7:34 AM
EDT
1h 24m
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
UA3988
UA United
E7W
10:34 AM
EDT
11:50 AM
EDT
1h 16m
M T W T F S S
Prices
UA3992
UA United
E75L
10:35 AM
EDT
11:55 AM
EDT
1h 20m
M T W T F S S
Prices
UA4539
UA United
CR5
10:35 AM
EDT
11:54 AM
EDT
1h 19m
M T W T F S S
Prices
UA298
UA United
73G
10:35 AM
EDT
11:50 AM
EDT
1h 15m
M T W T F S S
Prices
AV2043+2
AV avianca
CR5
10:35 AM
EDT
11:53 AM
EDT
1h 18m
M T W T F S S
Prices
CM2149+3
CM Copa
ERJ
10:35 AM
EDT
11:55 AM
EDT
1h 20m
M T W T F S S
Prices
SN8961cs
SN Lynx Air
ERJ
2:45 PM
EDT
4:05 PM
EDT
1h 20m
M T W T F S S
Prices
UA4291+1
UA United
ERJ
2:49 PM
EDT
4:17 PM
EDT
1h 28m
M T W T F S S
Prices
UA4014
UA United
E7W
3:00 PM
EDT
4:23 PM
EDT
1h 23m
M T W T F S S
Prices
UA3541
UA United
E7W
3:00 PM
EDT
4:23 PM
EDT
1h 23m
M T W T F S S
Prices
CM2148cs
CM Copa
ERJ
7:45 PM
EDT
9:05 PM
EDT
1h 20m
M T W T F S S
Prices
AV2044cs
AV avianca
E145
7:45 PM
EDT
9:05 PM
EDT
1h 20m
M T W T F S S
Prices
UA4270+2
UA United
ERJ
7:50 PM
EDT
9:10 PM
EDT
1h 20m
M T W T F S S
Prices
UA572
UA United
73G
8:18 AM
EDT
9:39 AM
EDT
1h 21m
M T W T F S S
Prices
UA1328
UA United
73G
8:18 AM
EDT
9:39 AM
EDT
1h 21m
M T W T F S S
Prices
UA3514
UA United
E7W
8:25 AM
EDT
9:51 AM
EDT
1h 26m
M T W T F S S
Prices
UA4012
UA United
E7W
8:25 AM
EDT
9:53 AM
EDT
1h 28m
M T W T F S S
Prices
UA4474
UA United
CR5
8:25 AM
EDT
9:53 AM
EDT
1h 28m
M T W T F S S
Prices
UA4437
UA United
CR5
8:25 AM
EDT
9:50 AM
EDT
1h 25m
M T W T F S S
Prices
CM1239+1
CM Copa
ERJ
8:32 AM
EDT
10:00 AM
EDT
1h 28m
M T W T F S S
Prices
UA4335
UA United
ERJ
12:52 PM
EDT
2:17 PM
EDT
1h 25m
M T W T F S S
Prices
UA3649
UA United
E7W
12:53 PM
EDT
2:19 PM
EDT
1h 26m
M T W T F S S
Prices
UA4021
UA United
E7W
12:53 PM
EDT
2:19 PM
EDT
1h 26m
M T W T F S S
Prices
UA4823+3
UA United
ERJ
5:10 PM
EDT
6:42 PM
EDT
1h 32m
M T W T F S S
Prices
CM2142cs
CM Copa
ERJ
5:24 PM
EDT
6:49 PM
EDT
1h 25m
M T W T F S S
Prices
AV2042cs
AV avianca
E145
5:24 PM
EDT
6:49 PM
EDT
1h 25m
M T W T F S S
Prices
SN8933cs
SN Lynx Air
ERJ
5:24 PM
EDT
6:49 PM
EDT
1h 25m
M T W T F S S
Prices
UA3546
UA United
E7W
5:30 PM
EDT
7:03 PM
EDT
1h 33m
M T W T F S S
Prices
UA4521
UA United
CR5
5:30 PM
EDT
7:02 PM
EDT
1h 32m
M T W T F S S
Prices
UA4017
UA United
E7W
10:23 PM
EDT
11:52 PM
EDT
1h 29m
M T W T F S S
Prices
UA3516
UA United
E7W
10:26 PM
EDT
11:59 PM
EDT
1h 33m
M T W T F S S
Prices
UA3997
UA United
E7W
10:26 PM
EDT
11:59 PM
EDT
1h 33m
M T W T F S S
Prices
UA6149
UA United
E7W
10:30 PM
EDT
11:55 PM
EDT
1h 25m
M T W T F S S
Prices

No flights match your filters.

No nonstop flights on this route. connecting options below.

1-STOP More options, longer trips
2-STOP Loading... Reach the hardest destinations
Buffalo to Dulles
3 carriers, 87 flights/week nonstop.
3 Airlines 87 Flights/wk 284 mi 1h 15m nonstop 91 1-stop hubs

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 15m. Beyond nonstop, 91 hubs offer 1-stop connections.

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 73G, CR5, E75L, E7W, ERJ 1h15-1h28 88% Star Alliance AV, CM, SN
DL Delta Air Lines 0 88% SkyTeam
MX Mexicana 0 88%
Aircraft on this route
73G Boeing 737-700 – UA
CR5 Bombardier CRJ-550 – AV, CM, UA
E145 Embraer ERJ-145 – AV
E75L Embraer E175 Long Wing – UA
E7W Embraer E175 – UA
ERJ Embraer ERJ-135/140/145 – CM, SN, 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
11
flights
Wed
11
flights
Thu
13
flights
Fri
13
flights
Sat
11
flights
Sun
16
flights
Departure time distribution
12 AM6 AM12 PM6 PM12 AM
Morning departures
Afternoon/evening departures
18
Nonstop flights
87
Outbound / wk
81
Return / wk

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for BUF to IAD.
1-STOP
One-Stop Connections
91
Hubs
~3h
Fastest
~25h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
1,965
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.

Other ways to reach Dulles from Buffalo

Nearby airports with service to Washington Dulles International Airport.
Metric BUF→IAD ROC→IAD YTZ→IAD
Distance from BUF 55 mi 58 mi
Nonstop airlines 3 8 3
Weekly flights 87 94 6
Flight time 1h 15m 1h 21m 1h 17m
Departure OTP 88%
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 15m to 1h 28m.
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 15m to 1h 28m
Time difference0 hours
Airlines (nonstop)3
Weekly flights87 out / 81 return
1-stop connections91 hubs
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 approximately 1h 15m to 1h 28m. The route covers 284 miles.
3 airlines operate nonstop service: Delta Air Lines, Mexicana and United Airlines. Plus 3 codeshare partners.
There are approximately 87 nonstop flights per week from BUF to IAD. The return direction has about 81 weekly flights.
Yes, 1-stop connections are available through MMU, BLM, PJC, TEB, HPN, ERI, BWI, PHF, PTK, YIP, SYR, ACY, PIT, CLE, BDL, CMH, ROC, BED, ISP, BTV, CRE, PDK, ALB, STL, IND, HHH, VRB, UES, PBG, TRI, AVL, GSP, AIK, MKE, MDW, FRG, YUL, MKC, CHS, MCN, MEM, JAX, PIE, MSP, ORL, OPF, PBI, BCT, AEX, TMB, PGD, SRQ, APF, ECP, FXE, EYW, ASE, EGE, PLS, DAL, JAC, MIA, OKC, BZN, BOI, SCF, SLC, AUA, SNA, BFI, JFK, PHL, DTW, LGA, BOS, ORD, CLT, ATL, EWR, MCO, RDU, FLL, DEN, SJU, TPA, BNA, LAS, DFW, RSW, LAX and PHX. These options provide additional schedule flexibility.
Yes, return flights from IAD to BUF are available. Use the direction toggle at the top to view the return schedule.
Nearby alternatives include ROC, YTZ and YYZ. 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 Delta Air Lines, Mexicana and United Airlines. With 87 weekly departures, this is a heavily served route.

BUF to IAD Flight Duration and Schedule

Nonstop flight time from BUF to IAD ranges from 1 hours 15 minutes to 1 hours 28 minutes. The route covers a distance of 284 miles (457 km). There are approximately 87 weekly flights outbound and 81 return, totaling 168 flights per week in both directions.

Connecting Options and Alternatives

91 one-stop connections are available, with the fastest taking approximately 3 hours via MMU. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Rochester (ROC), Toronto (YTZ) and Toronto (YYZ).