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Ottawa (YOW) to Washington DC (DCA) Flights from ₹21,070

Fares on this route currently start from ₹21,070. Compare live YOW to DCA prices, non-stop and connecting flights, departure times and airline choices before booking. Use the search panel to change origin, destination, passengers, cabin and trip type instantly.
YOW → DCA Approx. 728.25 km 04 Jun 2026 Live inventory
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Showing 25 of 164 live flights
aircanada
AC-8869
10:25
06/04/2026
YOW
Ottawa Macdonald-Cartier International Airport
1h 36m
Non-stop
12:01
06/04/2026
DCA
Ronald Reagan Washington National Airport
₹21,070
per person
✕ Non-refundable27 fare options
United Airlines
UA-3561
06:00
06/04/2026
YOW
Ottawa Macdonald-Cartier International Airport
1h 44m
Non-stop
07:44
06/04/2026
IAD
Ronald Reagan Washington National Airport
₹21,161
per person
✕ Non-refundable15 fare options
aircanada
AC-7867
12:15
06/04/2026
YOW
Ottawa Macdonald-Cartier International Airport
3h 57m
1 Stop
⏱ YTZ · 1h 38mYTZ Airport
16:12
06/04/2026
IAD
Ronald Reagan Washington National Airport
₹21,688
per person
✕ Non-refundable14 fare options
aircanada
AC-7865
09:55
06/04/2026
YOW
Ottawa Macdonald-Cartier International Airport
6h 17m
1 Stop
⏱ YTZ · 3h 58mYTZ Airport
16:12
06/04/2026
IAD
Ronald Reagan Washington National Airport
₹21,688
per person
✕ Non-refundable14 fare options
United Airlines
UA-2849
06:25
06/04/2026
YOW
Ottawa Macdonald-Cartier International Airport
5h 27m
1 Stop
⏱ ORD · 0h 55mORD Airport
11:52
06/04/2026
IAD
Ronald Reagan Washington National Airport
₹21,866
per person
✕ Non-refundable6 fare options
United Airlines
UA-2849
06:25
06/04/2026
YOW
Ottawa Macdonald-Cartier International Airport
6h 39m
1 Stop
⏱ ORD · 2h 15mORD Airport
13:04
06/04/2026
DCA
Ronald Reagan Washington National Airport
₹21,866
per person
✕ Non-refundable9 fare options
United Airlines
UA-2849
06:25
06/04/2026
YOW
Ottawa Macdonald-Cartier International Airport
7h 47m
1 Stop
⏱ ORD · 3h 22mORD Airport
14:12
06/04/2026
IAD
Ronald Reagan Washington National Airport
₹21,866
per person
✕ Non-refundable2 fare options
aircanada
AC-8002
06:00
06/04/2026
YOW
Ottawa Macdonald-Cartier International Airport
4h 19m
1 Stop
⏱ YUL · 1h 45mYUL Airport
10:19
06/04/2026
DCA
Ronald Reagan Washington National Airport
₹22,007
per person
✕ Non-refundable17 fare options
aircanada
AC-8006
11:15
06/04/2026
YOW
Ottawa Macdonald-Cartier International Airport
4h 24m
1 Stop
⏱ YUL · 1h 49mYUL Airport
15:39
06/04/2026
DCA
Ronald Reagan Washington National Airport
₹22,007
per person
✕ Non-refundable17 fare options
aircanada
AC-7764
09:10
06/04/2026
YOW
Ottawa Macdonald-Cartier International Airport
6h 29m
1 Stop
⏱ YUL · 3h 51mYUL Airport
15:39
06/04/2026
DCA
Ronald Reagan Washington National Airport
₹22,129
per person
✓ Refundable12 fare options
United Airlines
UA-3604
06:05
06/04/2026
YOW
Ottawa Macdonald-Cartier International Airport
4h 18m
1 Stop
⏱ EWR · 1h 26mEWR Airport
10:23
06/04/2026
DCA
Ronald Reagan Washington National Airport
₹22,217
per person
✕ Non-refundable13 fare options
United Airlines
UA-3604
06:05
06/04/2026
YOW
Ottawa Macdonald-Cartier International Airport
5h 23m
1 Stop
⏱ EWR · 2h 31mEWR Airport
11:28
06/04/2026
IAD
Ronald Reagan Washington National Airport
₹22,217
per person
✕ Non-refundable12 fare options
United Airlines
UA-3691
17:50
06/04/2026
YOW
Ottawa Macdonald-Cartier International Airport
5h 29m
1 Stop
⏱ EWR · 2h 17mEWR Airport
23:19
06/04/2026
IAD
Ronald Reagan Washington National Airport
₹22,217
per person
✕ Non-refundable12 fare options
United Airlines
UA-3686
15:10
06/04/2026
YOW
Ottawa Macdonald-Cartier International Airport
5h 50m
1 Stop
⏱ EWR · 2h 36mEWR Airport
21:00
06/04/2026
IAD
Ronald Reagan Washington National Airport
₹22,217
per person
✕ Non-refundable12 fare options
United Airlines
UA-2849
06:25
06/04/2026
YOW
Ottawa Macdonald-Cartier International Airport
5h 34m
1 Stop
⏱ ORD · 1h 15mORD Airport
11:59
06/04/2026
DCA
Ronald Reagan Washington National Airport
₹22,217
per person
✕ Non-refundable8 fare options
United Airlines
UA-3663
10:44
06/04/2026
YOW
Ottawa Macdonald-Cartier International Airport
6h 35m
1 Stop
⏱ ORD · 1h 56mORD Airport
17:19
06/04/2026
DCA
Ronald Reagan Washington National Airport
₹22,217
per person
✕ Non-refundable13 fare options
United Airlines
UA-3663
10:44
06/04/2026
YOW
Ottawa Macdonald-Cartier International Airport
5h 46m
1 Stop
⏱ ORD · 1h 19mORD Airport
16:30
06/04/2026
IAD
Ronald Reagan Washington National Airport
₹22,217
per person
✕ Non-refundable5 fare options
Air Canada
AC-7764
09:10
06/04/2026
YOW
Ottawa Macdonald-Cartier International Airport
5h 53m
1 Stop
⏱ YUL · 3h 6mYUL Airport
15:03
06/04/2026
IAD
Ronald Reagan Washington National Airport
₹22,252
per person
✕ Non-refundable
United Airlines
UA-3663
10:44
06/04/2026
YOW
Ottawa Macdonald-Cartier International Airport
7h 28m
1 Stop
⏱ ORD · 2h 49mORD Airport
18:12
06/04/2026
DCA
Ronald Reagan Washington National Airport
₹22,340
per person
✕ Non-refundable9 fare options
United Airlines
UA-3663
10:44
06/04/2026
YOW
Ottawa Macdonald-Cartier International Airport
9h 26m
1 Stop
⏱ ORD · 4h 49mORD Airport
20:10
06/04/2026
DCA
Ronald Reagan Washington National Airport
₹22,340
per person
✕ Non-refundable8 fare options
United Airlines
UA-2849
06:25
06/04/2026
YOW
Ottawa Macdonald-Cartier International Airport
9h 27m
1 Stop
⏱ ORD · 5h 0mORD Airport
15:52
06/04/2026
DCA
Ronald Reagan Washington National Airport
₹22,340
per person
✕ Non-refundable8 fare options
United Airlines
UA-3604
06:05
06/04/2026
YOW
Ottawa Macdonald-Cartier International Airport
6h 18m
1 Stop
⏱ EWR · 3h 26mEWR Airport
12:23
06/04/2026
DCA
Ronald Reagan Washington National Airport
₹22,342
per person
✕ Non-refundable4 fare options
United Airlines
UA-2849
06:25
06/04/2026
YOW
Ottawa Macdonald-Cartier International Airport
7h 57m
1 Stop
⏱ ORD · 3h 30mORD Airport
14:22
06/04/2026
DCA
Ronald Reagan Washington National Airport
₹22,342
per person
✕ Non-refundable4 fare options
American Airlines
AA-9112
07:00
06/04/2026
YOW
Ottawa Macdonald-Cartier International Airport
17h 13m
2 Stops
⏱ YYZ · 3h 43mYYZ Airport⏱ CLT · 8h 46mCLT Airport
00:13
06/05/2026
+1
IAD
Ronald Reagan Washington National Airport
₹22,454
per person
✕ Non-refundable🔥 Last 2 seats
Air Canada
AC-449
10:00
06/04/2026
YOW
Ottawa Macdonald-Cartier International Airport
5h 29m
1 Stop
⏱ YYZ · 2h 45mYYZ Airport
15:29
06/04/2026
IAD
Ronald Reagan Washington National Airport
₹22,524
per person
✕ Non-refundable
😕 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,USA728.25 km

📅 Results on this page are loaded for 04 Jun 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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More flights from Ottawa (YOW)
22 routes
More flights from Washington DC (DCA)
87 routes
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Washington DC Buffalo
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Washington DC Burlington
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Washington DC Charleston
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Washington DC Charlotte
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Washington DC Chattanooga
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Washington DC Cincinnati
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Washington DC Cleveland
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Washington DC Columbia
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Washington DC Columbus
DCA → CMH
Washington DC Dayton
DCA → DAY
Washington DC Denver
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Washington DC Des Moines
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Washington DC Detroit
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Washington DC Fayetteville
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Washington DC Fort Myers
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Washington DC Fort Walton Beach
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Washington DC Fort Worth
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Washington DC Greensboro
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Washington DC Greenville
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Washington DC Halifax International
DCA → YHZ
Washington DC Hartford
DCA → BDL
Washington DC Hilton Head Island
DCA → HHH
Washington DC Houston
DCA → IAH
Washington DC Houston
DCA → HOU
Washington DC Huntsville
DCA → HSV
Washington DC Indianapolis
DCA → IND
Washington DC Jackson
DCA → JAN
Washington DC Jacksonville
DCA → JAX
Washington DC Kansas City
DCA → MCI
Washington DC Knoxville
DCA → TYS
Washington DC Lansing
DCA → LAN
Washington DC Las Vegas
DCA → LAS
Washington DC Lexington
DCA → LEX
Washington DC Little Rock
DCA → LIT
Washington DC Long Island
DCA → ISP
Washington DC Los Angeles
DCA → LAX
Washington DC Louisville
DCA → SDF
Washington DC Madison
DCA → MSN
Washington DC Manchester
DCA → MHT
Washington DC Memphis
DCA → MEM
Washington DC Miami
DCA → MIA
Washington DC Milwaukee
DCA → MKE
Washington DC Minneapolis
DCA → MSP
Washington DC Montreal
DCA → YUL
Washington DC Myrtle Beach
DCA → MYR
Washington DC Nashville
DCA → BNA
Washington DC Nassau
DCA → NAS
Washington DC New Orleans
DCA → MSY
Washington DC New York
DCA → EWR
Washington DC Norfolk
DCA → ORF
Washington DC Omaha
DCA → OMA
Washington DC Orlando
DCA → MCO
Washington DC Ottawa
DCA → YOW
Washington DC Pensacola
DCA → PNS
Washington DC Philadelphia
DCA → PHL
Washington DC Phoenix
DCA → PHX
Washington DC Pittsburgh International Airport
DCA → PIT
Washington DC Portland International
DCA → PDX
Washington DC Portland
DCA → PWM
Washington DC Providence
DCA → PVD
Washington DC Raleigh
DCA → RDU
Washington DC Rochester
DCA → ROC
Washington DC Salt Lake City
DCA → SLC
Washington DC San Diego
DCA → SAN
Washington DC San Francisco
DCA → SFO
Washington DC San Juan
DCA → SJU
Washington DC Sarasota
DCA → SRQ
Washington DC Savannah
DCA → SAV
Washington DC Seattle
DCA → SEA
Washington DC St. Louis
DCA → STL
Washington DC Syracuse
DCA → SYR
Washington DC Tallahassee
DCA → TLH
Washington DC Tampa
DCA → TPA
Washington DC Toronto
DCA → YYZ
Washington DC West Palm Beach
DCA → PBI
Washington DC White Plains
DCA → HPN
Washington DC Wilmington
DCA → ILM
❓ 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.