Ottawa to Dulles (YOW–IAD) — Airlines, Schedules & Connections

YOW Airport Page →
450 mi airlines 47/wk
On-time Some delays Frequent delays
Flight Schedule 15 flights Verified 4h ago
Nonstop 1-Stop 2-Stop Hide separate tickets Hide overnight
  Flight Airline AC Dep Arr Dur OTP Sched  
UA3572
UA United
E7W
6:00 AM
EDT
7:50 AM
EDT
1h 50m
M T W T F S S
Prices
AC4394
AC Air Canada
E7W
6:00 AM
EDT
7:50 AM
EDT
1h 50m
M T W T F S S
Prices
UA3698
UA United
E7W
9:45 AM
EDT
11:44 AM
EDT
1h 59m
M T W T F S S
Prices
AV2161
AV avianca
E75L
9:45 AM
EDT
11:44 AM
EDT
1h 59m
M T W T F S S
Prices
AC7047
AC Air Canada
320
1:30 PM
EDT
2:53 PM
EDT
1h 23m
M T W T F S S
Prices
UA3605
UA United
E7W
2:15 PM
EDT
4:11 PM
EDT
1h 56m
M T W T F S S
Prices
UA4574
UA United
CR5
2:40 PM
EDT
4:28 PM
EDT
1h 48m
M T W T F S S
Prices
UA3497
UA United
E7W
2:40 PM
EDT
4:30 PM
EDT
1h 50m
M T W T F S S
Prices
UA4455
UA United
CR7
7:28 PM
EDT
9:08 PM
EDT
1h 40m
M T W T F S S
Prices
UA4512
UA United
CR5
8:15 AM
EDT
10:00 AM
EDT
1h 45m
M T W T F S S
Prices
UA3570
UA United
E7W
8:15 AM
EDT
10:03 AM
EDT
1h 48m
M T W T F S S
Prices
UA4424
UA United
CR7
5:06 PM
EDT
6:18 PM
EDT
1h 12m
M T W T F S S
Prices
AV2160
AV avianca
CR5
5:11 PM
EDT
6:55 PM
EDT
1h 44m
M T W T F S S
Prices
UA4418
UA United
CR5
5:11 PM
EDT
6:55 PM
EDT
1h 44m
M T W T F S S
Prices
UA4451
UA United
CR7
10:13 PM
EDT
11:54 PM
EDT
1h 41m
M T W T F S S
Prices

No flights match your filters.

No nonstop flights on this route. connecting options below.

1-STOP
2-STOP Loading...
Ottawa to Dulles
3 carriers, 47 flights/week nonstop.
3 Airlines 47 Flights/wk 450 mi 1h 23m nonstop 27 1-stop hubs

YOW–IAD is served by 3 airlines with nonstop service. United Airlines, Air Canada and avianca lead the route. The flight covers 450 miles in approximately 1h 23m. Beyond nonstop, 27 hubs offer 1-stop connections.

Airline Landscape

All carriers operating nonstop YOW–IAD service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
UA United Airlines 36 CR5, CR7, E7W 1h40-1h59 40% Star Alliance
AC Air Canada 8 320, E7W 1h23-1h50 40% Star Alliance
AV avianca 3 E75L 1h59 40% Star Alliance
Aircraft on this route
320 Airbus A320 – AC
CR5 Bombardier CRJ-550 – UA
CR7 Bombardier CRJ-700 – UA
E75L Embraer E175 Long Wing – AV
E7W Embraer E175 – AC, UA
Alliance coverage
Star Alliance: AC + AV + UA (47 flights/wk, 100%)
OTP based on airport-level delay snapshots. Duration ranges reflect seasonal/directional variation.

Weekly Schedule Pattern

Nonstop flight frequency by day of week, YOW to IAD direction.
Mon
6
flights
Tue
8
flights
Wed
6
flights
Thu
6
flights
Fri
6
flights
Sat
8
flights
Sun
7
flights
Departure time distribution
12 AM6 AM12 PM6 PM12 AM
Morning departures
Afternoon/evening departures
9
Nonstop flights
47
Outbound / wk
36
Return / wk

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for YOW to IAD.
1-STOP
One-Stop Connections
27
Hubs
~3h
Fastest
~29h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
1,438
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
YOW → IAD
40%
Frequent delays expected. Consider flexible booking.
Departing
40%
Arriving
69%
Return
IAD → YOW
70%
Moderate delays possible. Allow buffer time.
Departing
70%
Arriving
58%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. YOW delays → IAD delays →

Other ways to reach Dulles from Ottawa

Nearby airports with service to Washington Dulles International Airport.
Metric YOW→IAD OGS→IAD YUL→IAD
Distance from YOW 45 mi 94 mi
Nonstop airlines 3 1 8
Weekly flights 47 4 64
Flight time 1h 23m 1h 39m 1h 44m
Departure OTP 40%
Airports within 200 miles of YOW with service to Washington Dulles International Airport.

Travel Essentials

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

When it's 6:00 PM in Ottawa, it's 6:00 PM in Dulles.
Distance & Flight Time
450 mi / 724 km
Nonstop flight time is approximately 1h 23m to 2h 8m.
Visa & Entry

Canadian citizens do not need a visa or ESTA to enter the United States for tourism or business stays up to 6 months. A valid Canadian passport is required for air travel. Land and sea crossings also accept a NEXUS card, enhanced driver's license, or FAST card. At the border, officers determine the length of stay and may ask for proof of ties to Canada and a return plan.

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.

YOW–IAD Quick Facts

Key statistics for the Ottawa to Dulles route.
Route details
Distance450 mi / 724 km
Flight time1h 23m to 2h 8m
Time difference0 hours
Airlines (nonstop)3
Weekly flights47 out / 36 return
1-stop connections27 hubs
Origin: YOW
IATA / ICAOYOW / CYOW
TimezoneAmerica/Toronto
Passengers/yr5.5M
Elevation374 ft / 114 m
Destination: IAD
IATA / ICAOIAD / KIAD
TimezoneAmerica/New_York
Passengers/yr26.0M
Elevation312 ft / 95 m

Frequently Asked Questions

Common questions about YOW to IAD flights.
Nonstop flights from Ottawa Macdonald-Cartier International Airport to Washington Dulles International Airport take approximately 1h 23m to 2h 8m. The route covers 450 miles.
3 airlines operate nonstop service: Air Canada, avianca and United Airlines.
There are approximately 47 nonstop flights per week from YOW to IAD. The return direction has about 36 weekly flights.
Yes, 1-stop connections are available through SYR, YWG, OPF, SRQ, APA, YYT, PLS, GCM, NAS, YYC, CUN, ORD, BOS, YYZ, YUL, EWR, YTZ, LHR, DTW, RSW, MCO, FLL, CDG, TPA, PUJ, MIA and PHX. These options provide additional schedule flexibility.
Yes, return flights from IAD to YOW are available. Use the direction toggle at the top to view the return schedule.
Nearby alternatives include OGS, YUL and PBG. 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 YOW to IAD

Ottawa Macdonald-Cartier International Airport (YOW) and Washington Dulles International Airport (IAD) are connected by nonstop service from Air Canada, avianca and United Airlines. With 47 weekly departures, this is a heavily served route.

YOW to IAD Flight Duration and Schedule

Nonstop flight time from YOW to IAD ranges from 1 hours 23 minutes to 2 hours 8 minutes. The route covers a distance of 450 miles (724 km). There are approximately 47 weekly flights outbound and 36 return, totaling 83 flights per week in both directions.

Connecting Options and Alternatives

27 one-stop connections are available, with the fastest taking approximately 3 hours via SYR. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Ogdensburg (OGS), Montréal (YUL) and Plattsburgh (PBG).