Flight Deals from Reagan Washington National Airport to Ottawa from $187
Top flight deals from leading airlines:
... and +100s more
Save up to 50% on select flights with Priceline
Save an average of $240 per person when bundling your flight and hotel together with Priceline
If a VIP member finds a better price elsewhere, we'll refund up to 200% of the difference
We’re always here for you - reach us 24 hours a day, 7 days a week
Top Deals on flights from Reagan Washington National Airport to Ottawa
Washington, US (WAS) - Ottawa, CA (YOW)
Oct 16
Oct 16
as low as
$187
Washington, US (WAS) - Ottawa, CA (YOW)
Aug 15
Aug 15
as low as
$228
Washington, US (WAS) - Ottawa, CA (YOW)
Oct 4
Oct 4
as low as
$250
Washington, US (WAS) - Ottawa, CA (YOW)
Aug 2
Aug 2
as low as
$595
Washington, US (WAS) - Ottawa, CA (YOW)
Oct 16
Oct 16
as low as
$973
Good to Know
Essential information to help you plan your flight from Reagan Washington National Airport to Ottawa
Cheapest Flight
$187
The lowest price we found in the last two weeks, departing Oct 16 and returning Oct 16
1h 30m ‧ economyFastest Flights
$187
The fastest flight that we found in the last two weeks, departing Oct 16 and returning Oct 16
1h 30m ‧ economyCheapest Flight One-way
$187
Cheapest price found in the last 14 days, departing Oct 16
1h 30m ‧ economyCheapest Layover airport
$228
The cheapest layover airport to Ottawa is currently $228
1 stop ‧ 5h 11m ‧ economyYearly Good Deal Price
Flight prices from Washington to Ottawa peak in late April to early June and drop significantly in mid-April and late September.
When flying from Washington to Ottawa, expect significant price variations throughout the year. The most expensive time to fly is generally in late April through early June, with the highest price peak occurring in early May. Conversely, you will find the most affordable fares in mid-April and late September. The high season ramps up abruptly in late April and continues until early June, followed by a lower price period that lasts from late September to October. These seasonal variations could see prices differing by several hundred dollars.
Best Time to Book
Book your Washington to Ottawa flights 50-55 days before departure for the lowest prices.
For your flights from Washington to Ottawa, the best time to buy is between 50 to 55 days before departure, ensuring you avoid paying higher rates that start to climb significantly within 20 days of departure. Prices are lowest around 54 days at $430, so booking too early could lead to costs up to $554, which is 29% higher. While there are still some reasonable fares available until 27 days before departure, the variability of prices and limited seat options make it risky to wait. Therefore, to maximize value and choice, aim to secure your tickets during the recommended window.
Flights to Ottawa
- Flights
- North America
- Canada
- Ontario
- Ottawa
- Flights
- North America
- United States
- Washington, D.c.
- Washington
- Reagan Washington National Airport