
Discover tips and strategies to find the most affordable flight options for your journey from Ottawa (YOW) to Reagan-National (DCA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 24, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $321 (SmartFares) |
One-way from | $203 (Air Canada) |
Popular in | July |
Cheapest in | January |
Average price | $404 |
Good round-trip deal | $349 or less |
Good one-way deal | $240 or less |
Fly from
Fly to
Route
Depart
Return
OttawaWashington, D.C.
YOW Ottawa - DCA Washington, D.C. Reagan-National
YOWDCA
Ottawa
Fri 12/4
10:30 am-12:19 pm
Nonstop1h 49m
Washington, D.C. Reagan-National
Sun 12/6
6:00 am-9:47 am
1 stop3h 47m
OttawaWashington, D.C.
YOW Ottawa - DCA Washington, D.C. Reagan-National
YOWDCA
Ottawa
Mon 9/21
10:40 am-12:14 pm
Nonstop1h 34m
Washington, D.C. Reagan-National
Mon 9/28
12:55 pm-2:27 pm
Nonstop1h 32m
OttawaWashington, D.C.
YOW Ottawa - DCA Washington, D.C. Reagan-National
YOWDCA
Ottawa
Fri 10/2
5:50 pm-9:50 pm
1 stop4h 00m
Washington, D.C. Reagan-National
Sun 10/4
12:50 pm-2:22 pm
Nonstop1h 32m
OttawaWashington, D.C.
YOW Ottawa - DCA Washington, D.C. Reagan-National
YOWDCA
Ottawa
Tue 9/22
6:25 am-8:09 pm
1 stop13h 44m
Washington, D.C. Reagan-National
Sat 9/26
9:30 am-9:35 pm
1 stop12h 05m
OttawaWashington, D.C.
YOW Ottawa - DCA Washington, D.C. Reagan-National
YOWDCA
Ottawa
Sun 9/20
5:57 pm-7:49 am
1 stop13h 52m
Washington, D.C. Reagan-National
Tue 10/20
12:50 pm-2:22 pm
Nonstop1h 32m
OttawaWashington, D.C.
YOW Ottawa - DCA Washington, D.C. Reagan-National
YOWDCA
Ottawa
Sat 9/26
6:25 am-2:23 pm
1 stop7h 58m
Washington, D.C. Reagan-National
Wed 9/30
6:30 am-9:35 pm
1 stop15h 05m
OttawaWashington, D.C.
YOW Ottawa - DCA Washington, D.C. Reagan-National
YOWDCA
Ottawa
Sun 9/20
6:25 am-12:08 pm
1 stop5h 43m
Washington, D.C. Reagan-National
Sun 9/27
6:30 am-9:35 pm
1 stop15h 05m
OttawaWashington, D.C.
YOW Ottawa - DCA Washington, D.C. Reagan-National
YOWDCA
Ottawa
Thu 9/24
6:25 am-12:08 pm
1 stop5h 43m
Washington, D.C. Reagan-National
Mon 9/28
3:30 pm-9:35 pm
1 stop6h 05m
OttawaWashington, D.C.
YOW Ottawa - DCA Washington, D.C. Reagan-National
YOWDCA
Ottawa
Tue 9/15
6:25 am-1:04 pm
1 stop6h 39m
Washington, D.C. Reagan-National
Sun 9/20
1:10 pm-9:35 pm
1 stop8h 25m
OttawaWashington, D.C.
YOW Ottawa - DCA Washington, D.C. Reagan-National
YOWDCA
Ottawa
Mon 9/21
5:57 pm-9:59 pm
1 stop4h 02m
Washington, D.C. Reagan-National
Mon 9/28
10:30 am-9:35 pm
1 stop11h 05m
Everything you need to know about your flight from Ottawa to Washington, D.C. Reagan-National Airport
Food
Overall
Boarding
Comfort
Entertainment
Crew
Reviews
Anonymous,Nov 2025
YYZ - LAS
Food
Overall
Boarding
Comfort
Entertainment
Crew
Reviews
Anonymous,Nov 2025
YYZ - LAS
Find useful and relevant information for your journey from Ottawa to Reagan-National. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$284 | Average$349 | FlexibilityNo cancel fee | On-time67% |