
Discover tips and strategies to find the most affordable flight options for your journey from Reagan-National (DCA) to Ottawa (YOW). 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 November 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $386 (VIAZA) |
One-way from | $195 (Air Canada) |
Popular in | February |
Cheapest in | August |
Average price | $490 |
Good round-trip deal | $470 or less |
Fly from
Fly to
Route
Depart
Return
Washington, D.C.Ottawa
DCA Washington, D.C. Reagan-National - YOW Ottawa
DCAYOW
Washington, D.C. Reagan-National
Thu 12/10
12:55 pm-2:29 pm
Nonstop1h 34m
Ottawa
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
Washington, D.C.Ottawa
DCA Washington, D.C. Reagan-National - YOW Ottawa
DCAYOW
Washington, D.C. Reagan-National
Tue 12/1
12:55 pm-2:29 pm
Nonstop1h 34m
Ottawa
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
Washington, D.C.Ottawa
DCA Washington, D.C. Reagan-National - YOW Ottawa
DCAYOW
Washington, D.C. Reagan-National
Thu 12/17
4:00 pm-10:32 pm
1 stop6h 32m
Ottawa
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
Washington, D.C.Ottawa
DCA Washington, D.C. Reagan-National - YOW Ottawa
DCAYOW
Washington, D.C. Reagan-National
Sat 12/12
11:05 am-3:57 pm
1 stop4h 52m
Ottawa
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
Washington, D.C.Ottawa
DCA Washington, D.C. Reagan-National - YOW Ottawa
DCAYOW
Washington, D.C. Reagan-National
Thu 12/3
12:55 pm-2:29 pm
Nonstop1h 34m
Ottawa
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
Washington, D.C.Ottawa
DCA Washington, D.C. Reagan-National - YOW Ottawa
DCAYOW
Washington, D.C. Reagan-National
Sun 12/20
6:59 am-1:10 pm
1 stop6h 11m
Ottawa
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
Washington, D.C.Ottawa
DCA Washington, D.C. Reagan-National - YOW Ottawa
DCAYOW
Washington, D.C. Reagan-National
Sun 3/7
11:00 am-3:57 pm
1 stop4h 57m
Ottawa
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
Washington, D.C.Ottawa
DCA Washington, D.C. Reagan-National - YOW Ottawa
DCAYOW
Washington, D.C. Reagan-National
Tue 4/6
11:00 am-3:51 pm
1 stop4h 51m
Ottawa
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
Washington, D.C.Ottawa
DCA Washington, D.C. Reagan-National - YOW Ottawa
DCAYOW
Washington, D.C. Reagan-National
Tue 12/1
7:40 pm-2:09 pm
2 stops18h 29m
Ottawa
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
Washington, D.C.Ottawa
DCA Washington, D.C. Reagan-National - YOW Ottawa
DCAYOW
Washington, D.C. Reagan-National
Thu 11/19
6:00 am-9:47 am
1 stop3h 47m
Ottawa
Sun 11/22
10:30 am-12:19 pm
Nonstop1h 49m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
Everything you need to know about your flight from Washington, D.C. Reagan-National Airport to Ottawa
Entertainment
Comfort
Food
Overall
Crew
Boarding
Reviews
Dane,Jan 2026
IAD - TYS
Entertainment
Comfort
Food
Overall
Crew
Boarding
Reviews
Dane,Jan 2026
IAD - TYS
Entertainment
Comfort
Food
Overall
Crew
Boarding
Reviews
Dane,Jan 2026
IAD - TYS
Find useful and relevant information for your journey from Reagan-National to Ottawa. 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$187 | Average$470 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$201 | Average$514 | FlexibilityNo cancel fee | On-time69% |