Compare live prices for YOW to DCA. Use the search panel
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YOW → DCAApprox. 728.25 km08 May 2026Live inventory
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Showing 25
of 108
live flights
porter
PD-2248
11:00
05/08/2026
YOW
Ottawa Macdonald-Cartier International Airport
4h 21m
1 Stop
⏱ YTZ · 1h 47mYTZ Airport
15:21
05/08/2026
IAD
Ronald Reagan Washington National Airport
₹17,682
per person
✕ Non-refundable3 fare options
aircanada
AC-8869
10:25
05/08/2026
YOW
Ottawa Macdonald-Cartier International Airport
1h 36m
Non-stop
12:01
05/08/2026
DCA
Ronald Reagan Washington National Airport
₹21,436
per person
✕ Non-refundable13 fare options
Porter Airlines
PD-150
07:00
05/08/2026
YOW
Ottawa Macdonald-Cartier International Airport
5h 54m
1 Stop
⏱ YYZ · 3h 1mYYZ Airport
12:54
05/08/2026
DCA
Ronald Reagan Washington National Airport
₹22,196
per person
✕ Non-refundable3 fare options
aircanada
AC-8012
17:50
05/08/2026
YOW
Ottawa Macdonald-Cartier International Airport
4h 5m
1 Stop
⏱ YUL · 1h 21mYUL Airport
21:55
05/08/2026
DCA
Ronald Reagan Washington National Airport
₹22,365
per person
✕ Non-refundable8 fare options
aircanada
AC-453
12:00
05/08/2026
YOW
Ottawa Macdonald-Cartier International Airport
6h 13m
1 Stop
⏱ YYZ · 3h 35mYYZ Airport
18:13
05/08/2026
DCA
Ronald Reagan Washington National Airport
₹22,813
per person
✕ Non-refundable8 fare options
aircanada
AC-447
09:00
05/08/2026
YOW
Ottawa Macdonald-Cartier International Airport
6h 29m
1 Stop
⏱ YYZ · 3h 45mYYZ Airport
15:29
05/08/2026
IAD
Ronald Reagan Washington National Airport
₹22,813
per person
✕ Non-refundable5 fare options
American Airlines
AA-9112
07:00
05/08/2026
YOW
Ottawa Macdonald-Cartier International Airport
5h 54m
1 Stop
⏱ YYZ · 3h 1mYYZ Airport
12:54
05/08/2026
DCA
Ronald Reagan Washington National Airport
₹22,813
per person
✕ Non-refundable11 fare options
United Airlines
UA-4455
19:30
05/08/2026
YOW
Ottawa Macdonald-Cartier International Airport
1h 48m
Non-stop
21:18
05/08/2026
IAD
Ronald Reagan Washington National Airport
₹23,742
per person
✕ Non-refundable6 fare options
United Airlines
UA-3499
06:00
05/08/2026
YOW
Ottawa Macdonald-Cartier International Airport
1h 50m
Non-stop
07:50
05/08/2026
IAD
Ronald Reagan Washington National Airport
₹23,742
per person
✕ Non-refundable6 fare options
United Airlines
UA-3497
14:40
05/08/2026
YOW
Ottawa Macdonald-Cartier International Airport
1h 50m
Non-stop
16:30
05/08/2026
IAD
Ronald Reagan Washington National Airport
₹23,742
per person
✕ Non-refundable6 fare options
United Airlines
UA-4524
06:05
05/08/2026
YOW
Ottawa Macdonald-Cartier International Airport
4h 25m
1 Stop
⏱ EWR · 1h 11mEWR Airport
10:30
05/08/2026
DCA
Ronald Reagan Washington National Airport
₹24,261
per person
✕ Non-refundable7 fare options
United Airlines
UA-3659
17:25
05/08/2026
YOW
Ottawa Macdonald-Cartier International Airport
5h 22m
1 Stop
⏱ ORD · 0h 47mORD Airport
22:47
05/08/2026
DCA
Ronald Reagan Washington National Airport
₹24,261
per person
✕ Non-refundable7 fare options
United Airlines
UA-3691
17:50
05/08/2026
YOW
Ottawa Macdonald-Cartier International Airport
5h 35m
1 Stop
⏱ EWR · 2h 24mEWR Airport
23:25
05/08/2026
IAD
Ronald Reagan Washington National Airport
₹24,261
per person
✕ Non-refundable5 fare options
United Airlines
UA-4587
15:10
05/08/2026
YOW
Ottawa Macdonald-Cartier International Airport
6h 1m
1 Stop
⏱ EWR · 2h 51mEWR Airport
21:11
05/08/2026
IAD
Ronald Reagan Washington National Airport
₹24,261
per person
✕ Non-refundable5 fare options
United Airlines
UA-3663
10:44
05/08/2026
YOW
Ottawa Macdonald-Cartier International Airport
6h 20m
1 Stop
⏱ ORD · 1h 43mORD Airport
17:04
05/08/2026
DCA
Ronald Reagan Washington National Airport
₹24,261
per person
✕ Non-refundable6 fare options
United Airlines
UA-4587
15:10
05/08/2026
YOW
Ottawa Macdonald-Cartier International Airport
6h 21m
1 Stop
⏱ EWR · 3h 6mEWR Airport
21:31
05/08/2026
DCA
Ronald Reagan Washington National Airport
₹24,261
per person
✕ Non-refundable6 fare options
United Airlines
UA-4524
06:05
05/08/2026
YOW
Ottawa Macdonald-Cartier International Airport
6h 25m
1 Stop
⏱ EWR · 3h 11mEWR Airport
12:30
05/08/2026
DCA
Ronald Reagan Washington National Airport
₹24,261
per person
✕ Non-refundable6 fare options
United Airlines
UA-4524
06:05
05/08/2026
YOW
Ottawa Macdonald-Cartier International Airport
8h 19m
1 Stop
⏱ EWR · 5h 11mEWR Airport
14:24
05/08/2026
DCA
Ronald Reagan Washington National Airport
₹24,261
per person
✕ Non-refundable3 fare options
United Airlines
UA-3663
10:44
05/08/2026
YOW
Ottawa Macdonald-Cartier International Airport
8h 21m
1 Stop
⏱ ORD · 3h 43mORD Airport
19:05
05/08/2026
DCA
Ronald Reagan Washington National Airport
₹24,261
per person
✕ Non-refundable6 fare options
United Airlines
UA-4524
06:05
05/08/2026
YOW
Ottawa Macdonald-Cartier International Airport
9h 19m
1 Stop
⏱ EWR · 6h 11mEWR Airport
15:24
05/08/2026
DCA
Ronald Reagan Washington National Airport
₹24,261
per person
✕ Non-refundable3 fare options
United Airlines
UA-3663
10:44
05/08/2026
YOW
Ottawa Macdonald-Cartier International Airport
9h 31m
1 Stop
⏱ ORD · 4h 43mORD Airport
20:15
05/08/2026
DCA
Ronald Reagan Washington National Airport
₹24,261
per person
✕ Non-refundable6 fare options
United Airlines
UA-4524
06:05
05/08/2026
YOW
Ottawa Macdonald-Cartier International Airport
10h 19m
1 Stop
⏱ EWR · 7h 11mEWR Airport
16:24
05/08/2026
DCA
Ronald Reagan Washington National Airport
₹24,261
per person
✕ Non-refundable3 fare options
United Airlines
UA-3663
10:44
05/08/2026
YOW
Ottawa Macdonald-Cartier International Airport
10h 22m
1 Stop
⏱ ORD · 5h 43mORD Airport
21:06
05/08/2026
DCA
Ronald Reagan Washington National Airport
₹24,261
per person
✕ Non-refundable3 fare options
United Airlines
UA-4524
06:05
05/08/2026
YOW
Ottawa Macdonald-Cartier International Airport
11h 20m
1 Stop
⏱ EWR · 8h 11mEWR Airport
17:25
05/08/2026
DCA
Ronald Reagan Washington National Airport
₹24,261
per person
✕ Non-refundable3 fare options
United Airlines
UA-3663
10:44
05/08/2026
YOW
Ottawa Macdonald-Cartier International Airport
12h 3m
1 Stop
⏱ ORD · 7h 28mORD Airport
22:47
05/08/2026
DCA
Ronald Reagan Washington National Airport
₹24,261
per person
✕ Non-refundable2 fare options
😕 No flights match your filters.
Ottawa (YOW)
📍 Ottawa Macdonald-Cartier International Airport
🌍 Canada
🕐 GMT -5
📐 Latitude: 45.3224983215332
📐 Longitude: -75.66919708251953
Washington DC (DCA)
📍 Ronald Reagan Washington National Airport
🌍 United States
🕐 GMT -5
📐 Latitude: 38.8521
📐 Longitude: -77.037697
✈ Distance: Ottawa,Canada to Washington DC,USA — 728.25 km
📅 Results on this page are loaded for 08 May 2026. Click View all flights for the complete live search.
Ottawa to Washington DC — what to expect when booking
The YOW–DCA route is served by multiple carriers throughout the year.
Fares on this route can move quickly — a price available now may not be there 30 minutes later.
If your dates are flexible, try shifting your departure by a day or two using the date strip above.
Mid-week departures often show lower base fares compared to weekend starts on many routes.
The distance between Ottawa,Canada and Washington DC,USA is approximately
728.25 km.
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❓ Frequently asked questions — Ottawa to Washington DC flights
Generally yes — fares on most routes are most competitive around 4–6 weeks before departure. Booking earlier usually means better availability and a lower base fare when your dates are fixed.
The straight-line distance between Ottawa,Canada (YOW) and Washington DC,USA (DCA) is approximately 728.25 km. Actual flying distance may vary slightly depending on routing.
Non-stop availability on this route varies by airline schedule and season. Use the filters below to quickly check whether direct options are available on your selected date.
Mid-week departures often show lower prices than weekend travel on many routes. Use the date strip above to compare nearby days quickly.