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

IAD Airport Page →
450 mi airlines 36/wk
On-time Some delays Frequent delays
Flight Schedule 15 flights Verified 9h ago
Nonstop 1-Stop 2-Stop Hide separate tickets Hide overnight
  Flight Airline AC Dep Arr Dur OTP Sched  
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
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

No flights match your filters.

No nonstop flights on this route. connecting options below.

1-STOP
2-STOP Loading...
Dulles to Ottawa
2 carriers, 36 flights/week nonstop.
2 Airlines 36 Flights/wk 450 mi 1h 12m nonstop 33 1-stop hubs

IAD–YOW is served by 2 airlines with nonstop service. United Airlines and avianca lead the route. The flight covers 450 miles in approximately 1h 12m. Beyond nonstop, 33 hubs offer 1-stop connections.

Airline Landscape

All carriers operating nonstop IAD–YOW service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
UA United Airlines 29 CR5, CR7, E7W 1h12-1h48 79% Star Alliance
AV avianca 7 CR5 1h44 79% Star Alliance
Aircraft on this route
CR5 Bombardier CRJ-550 – AV, UA
CR7 Bombardier CRJ-700 – UA
E7W Embraer E175 – UA
Alliance coverage
Star Alliance: AV + UA (36 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, IAD to YOW direction.
Mon
5
flights
Tue
5
flights
Wed
5
flights
Thu
5
flights
Fri
5
flights
Sat
6
flights
Sun
5
flights
Departure time distribution
12 AM6 AM12 PM6 PM12 AM
Morning departures
Afternoon/evening departures
6
Nonstop flights
36
Outbound / wk
47
Return / wk

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for IAD to YOW.
1-STOP
One-Stop Connections
33
Hubs
~3h
Fastest
~29h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
1,412
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
IAD → YOW
79%
Generally reliable. Most flights run on time.
Departing
79%
Arriving
67%
Return
YOW → IAD
40%
Frequent delays expected. Consider flexible booking.
Departing
40%
Arriving
69%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. IAD delays → YOW delays →

Other ways to reach Ottawa from Dulles

Nearby airports with service to Ottawa Macdonald-Cartier International Airport.
Metric IAD→YOW DCA→YOW CHO→YOW
Distance from IAD 23 mi 77 mi
Nonstop airlines 2 1 1
Weekly flights 36 7 1
Flight time 1h 12m 1h 35m 1h 37m
Departure OTP 79%
Airports within 200 miles of IAD with service to Ottawa Macdonald-Cartier International Airport.

Travel Essentials

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

When it's 6:00 PM in Dulles, it's 6:00 PM in Ottawa.
Distance & Flight Time
450 mi / 724 km
Nonstop flight time is approximately 1h 12m to 1h 48m.
Visa & Entry

US passport holders enter Canada without a visa for stays up to 6 months. No eTA is needed when arriving by air with a US passport. Passport must be valid for the duration of the stay. A return or onward ticket and proof of funds may be requested at the border.

Getting to IAD

WMATA Silver Line Metro now reaches Dulles directly; take Silver Line to Washington Dulles Airport station (about 65 min from Metro Center, ~$7). The connection opened in late 2022.Ride-shares from downtown DC run $35–60 and take 35–50 minutes via I-66 (longer during peak hours). Washington Flyer coach to Wiehle-Reston East Metro costs $6. The airport is 27 miles from downtown; taxis are expensive ($60–80).

IAD–YOW Quick Facts

Key statistics for the Dulles to Ottawa route.
Route details
Distance450 mi / 724 km
Flight time1h 12m to 1h 48m
Time difference0 hours
Airlines (nonstop)2
Weekly flights36 out / 47 return
1-stop connections33 hubs
Origin: IAD
IATA / ICAOIAD / KIAD
TimezoneAmerica/New_York
Passengers/yr26.0M
Elevation312 ft / 95 m
Destination: YOW
IATA / ICAOYOW / CYOW
TimezoneAmerica/Toronto
Passengers/yr5.5M
Elevation374 ft / 114 m

Frequently Asked Questions

Common questions about IAD to YOW flights.
Nonstop flights from Washington Dulles International Airport to Ottawa Macdonald-Cartier International Airport take approximately 1h 12m to 1h 48m. The route covers 450 miles.
2 airlines operate nonstop service: avianca and United Airlines.
There are approximately 36 nonstop flights per week from IAD to YOW. The return direction has about 47 weekly flights.
Yes, 1-stop connections are available through DCA, CHO, MDW, SUS, YQT, SDF, CLT, OMA, HOU, YYR, PLS, BOS, BGI, YYC, YVR, PVR, EWR, NAS, MCO, YYZ, ORD, YTZ, LHR, YUL, FLL, CUN, CDG, RSW, TPA, PUJ, MIA, PHX and MBJ. These options provide additional schedule flexibility.
Yes, return flights from YOW to IAD are available. Use the direction toggle at the top to view the return schedule.
Nearby alternatives include DCA and CHO. 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 IAD to YOW

Washington Dulles International Airport (IAD) and Ottawa Macdonald-Cartier International Airport (YOW) are connected by nonstop service from avianca and United Airlines. With 36 weekly departures, this is a heavily served route.

IAD to YOW Flight Duration and Schedule

Nonstop flight time from IAD to YOW ranges from 1 hours 12 minutes to 1 hours 48 minutes. The route covers a distance of 450 miles (724 km). There are approximately 36 weekly flights outbound and 47 return, totaling 83 flights per week in both directions.

Connecting Options and Alternatives

33 one-stop connections are available, with the fastest taking approximately 3 hours via DCA. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Washington (DCA) and Charlottesville (CHO).