Cheap flights from Washington to Ottawa from C$ 182
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/5. Fares are subject to change and may not be available on all flights or dates of travel.
Cheap flight deals from Washington to Ottawa
Keep the following information in mind while searching for Washington to Ottawa flight deals. Data was last updated 28 March 2025.
Round-trip from | C$ 443 |
---|---|
One-way from | C$ 182 |
Popular in | January |
Cheapest in | September |
Average price | C$ 706 |
Find flight deals from Washington to Ottawa
Cheapest flights from Washington to OttawaExplore the most affordable flight options available from Washington to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 March 2025.
Explore the most affordable flight options available from Washington to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 March 2025.
Cheapflights Fare Finder
Customize your flight search to find flights from Washington to Ottawa that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 28 March 2025.
Use the filters below to find and compare flights from Washington to Ottawa that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
SeattleOttawa
SEA - YOW
SEAYOW
Seattle/Tacoma Intl
Mon 25/8
7:05 a.m.-6:21 p.m.
1 stop8h 16m
Ottawa
Thu 4/9
7:50 a.m.-12:59 p.m.
1 stop8h 09m
PortlandOttawa
PDX - YOW
PDXYOW
Portland
Tue 8/4
6:13 p.m.-4:45 p.m.
1 stop19h 32m
Ottawa
Thu 10/4
2:50 p.m.-9:12 a.m.
2 stops21h 22m
SeattleOttawa
SEA - YOW
SEAYOW
Seattle/Tacoma Intl
Fri 9/5
7:05 a.m.-1:03 p.m.
1 stop26h 58m
Ottawa
Mon 12/5
7:50 a.m.-12:58 p.m.
1 stop8h 08m
PortlandOttawa
PDX - YOW
PDXYOW
Portland
Sat 28/6
1:45 p.m.-12:41 a.m.
1 stop7h 56m
Ottawa
Sat 5/7
6:10 a.m.-12:52 p.m.
2 stops9h 42m
SeattleOttawa
SEA - YOW
SEAYOW
Seattle/Tacoma Intl
Thu 10/4
6:00 a.m.-6:09 p.m.
1 stop9h 09m
Ottawa
Fri 23/5
2:35 p.m.-7:37 p.m.
1 stop8h 02m
SeattleOttawa
SEA - YOW
SEAYOW
Seattle/Tacoma Intl
Sun 11/5
7:15 p.m.-9:58 a.m.
2 stops11h 43m
Ottawa
Sun 18/5
5:15 a.m.-10:51 a.m.
1 stop8h 36m
PortlandOttawa
PDX - YOW
PDXYOW
Portland
Fri 18/4
11:30 p.m.-6:52 p.m.
1 stop16h 22m
Ottawa
Mon 21/4
7:29 p.m.-8:14 p.m.
1 stop27h 45m
PortlandOttawa
PDX - YOW
PDXYOW
Portland
Fri 18/4
7:30 p.m.-10:34 a.m.
2 stops12h 04m
Ottawa
Mon 21/4
6:00 p.m.-9:35 a.m.
2 stops18h 35m
SeattleOttawa
SEA - YOW
SEAYOW
Seattle/Tacoma Intl
Mon 22/9
12:40 a.m.-6:20 p.m.
2 stops14h 40m
Ottawa
Sat 4/10
6:00 a.m.-4:19 p.m.
2 stops13h 19m
SeattleOttawa
SEA - YOW
SEAYOW
Seattle/Tacoma Intl
Sun 11/5
6:00 a.m.-7:55 p.m.
1 stop10h 55m
Best time to book a flight from Washington to Ottawa
Have a flexible travel schedule? Discover the best time to fly to Ottawa from Washington with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Washington to Ottawa
What is the cheapest month to book a flight from State of Washington to Ottawa?
Currently, October is the cheapest month in which you can book a flight from State of Washington to Ottawa (average of C$ 224). Flying from State of Washington to Ottawa in December is currently the most expensive (average of C$ 326). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from WA to YOW?
Find hourly flight availability from Washington to Ottawa. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 28 March 2025.
When flying from State of Washington to Ottawa, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Rainfall in Ottawa by month
Plan your trip to Ottawa by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Ottawa ranges from 50.0 - 93.0 mm per month. June is typically the wettest month, when rainfall can reach 93.0 mm. February is typically the driest time to visit Ottawa when rainfall is around 50.0 mm.
Temperature in Ottawa by month
Plan your trip to Ottawa by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Ottawa, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -10.0 C).
Reviews of airlines servicing Ottawa
Get insights into the airlines that provide service to Ottawa. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ottawa. Reviews last updated 28 March 2025.
Peruse reviews from past customers who have flown with Delta, United Airlines and WestJet from Washington to Ottawa to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
Comfort
Overall
Boarding
Food
Crew
Reviews
Aaron,Oct 2024
LAX - LHR
Entertainment
Comfort
Overall
Boarding
Food
Crew
Reviews
Aaron,Oct 2024
LAX - LHR
Entertainment
Comfort
Overall
Boarding
Food
Crew
Reviews
Aaron,Oct 2024
LAX - LHR
Entertainment
Comfort
Overall
Boarding
Food
Crew
Reviews
Aaron,Oct 2024
LAX - LHR
Entertainment
Comfort
Overall
Boarding
Food
Crew
Reviews
Aaron,Oct 2024
LAX - LHR
Related info for your journey
Find useful and relevant information for your journey from Washington to Ottawa. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Washington to Ottawa
See prices for flight routes from nearby airports that may be better suited for you.
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Yes, Cheapflights offers price alerts on Washington to Ottawa flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.