How long is the flight from State of Washington to Ottawa?

WestJet can get you from State of Washington to Ottawa in just under 30h 10m. Your travel time can differ by up to . State of Washington and Ottawa are separated by a distance of 3529 km.

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.

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).

What is the cheapest time of day to fly from WA to YOW?

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.

What airport do you fly into for flights to Ottawa from Washington?

Ottawa (YOW) is the airport you will fly into if you book a flight from Washington to Ottawa. It is only a 10.6 km journey from Ottawa (YOW) to Ottawa’s city centre.

Can I find deals for flights from Washington to Ottawa that include hotel bookings?

Yes. In addition to deals on Washington to Ottawa flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Washington to Ottawa?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington to Ottawa.

Can I find deals for business class flights from Washington to Ottawa?

Yes. Cheapflights offers flight deals from Washington to Ottawa by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

C$ 292+ Cheap Flights from Washington to Ottawa

Cheap flight deals from Washington to Ottawa

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from Washington to Ottawa
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 9 November 2026.

Sat 12/122:20 p.m. -

1 stop21h 10m

Sun 10/16:10 a.m. -

1 stop10h 30m

Deal found 7/11C$ 640

Thu 10/123:44 p.m. -

2 stops16h 49m

Sun 10/16:10 a.m. -

1 stop10h 30m

Deal found 7/11C$ 694

Fri 4/1211:25 p.m. -

1 stop10h 46m

Mon 7/127:50 a.m. -

2 stops13h 32m

Deal found 8/11C$ 698

Fri 4/127:30 p.m. -

2 stops15h 39m

Sun 6/127:45 a.m. -

1 stop13h 37m

Deal found 8/11C$ 730

Fri 11/1211:41 a.m. -

2 stops22h 29m

Sun 10/16:10 a.m. -

1 stop10h 30m

Deal found 7/11C$ 743

Find flight deals from Washington to Ottawa

Round-trip from	C$ 562
One-way from	C$ 292
Popular in	November
Cheapest in	February
Average price	C$ 1,117

WestJet
31/1-2/2
2 total stops
31h 30m total
Washington to Ottawa

Search Deals

WestJet
13/1-31/12
1 total stop
21h 00m total
Washington to Ottawa

Search Deals

Highest demand for flights based on searches. 15% potential increase in price (C$ 215 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (C$ 37 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in November 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleOttawa

SEA Seattle/Tacoma Intl - YOW Ottawa

SEAYOW

Seattle/Tacoma Intl

Tue 8/12

2:30 p.m.-2:30 p.m.

1 stop21h 00m

Ottawa

Wed 31/12

12:00 a.m.-9:00 p.m.

Nonstop0h 00m

C$ 366

SeattleOttawa

SEA Seattle/Tacoma Intl - YOW Ottawa

SEAYOW

Seattle/Tacoma Intl

Tue 8/12

7:30 p.m.-2:09 p.m.

2 stops15h 39m

Ottawa

Wed 31/12

12:00 a.m.-9:00 p.m.

Nonstop0h 00m

C$ 431

SeattleOttawa

SEA Seattle/Tacoma Intl - YOW Ottawa

SEAYOW

Seattle/Tacoma Intl

Wed 23/12

3:40 p.m.-11:33 a.m.

2 stops16h 53m

Ottawa

Wed 31/12

12:00 a.m.-9:00 p.m.

Nonstop0h 00m

C$ 571

SeattleOttawa

SEA Seattle/Tacoma Intl - YOW Ottawa

SEAYOW

Seattle/Tacoma Intl

Fri 20/11

4:37 p.m.-12:37 a.m.

3 stops29h 00m

Ottawa

Wed 31/12

12:00 a.m.-9:00 p.m.

Nonstop0h 00m

C$ 596

SeattleOttawa

SEA Seattle/Tacoma Intl - YOW Ottawa

SEAYOW

Seattle/Tacoma Intl

Wed 27/1

2:30 p.m.-11:40 p.m.

2 stops30h 10m

Ottawa

Sun 31/1

6:10 a.m.-1:40 p.m.

1 stop10h 30m

C$ 641

SeattleOttawa

SEA Seattle/Tacoma Intl - YOW Ottawa

SEAYOW

Seattle/Tacoma Intl

Wed 25/11

2:30 p.m.-1:09 p.m.

2 stops19h 39m

Ottawa

Wed 31/12

12:00 a.m.-9:00 p.m.

Nonstop0h 00m

C$ 677

SeattleOttawa

SEA Seattle/Tacoma Intl - YOW Ottawa

SEAYOW

Seattle/Tacoma Intl

Sat 23/1

2:20 p.m.-2:30 p.m.

1 stop21h 10m

Ottawa

Wed 27/1

6:10 a.m.-1:40 p.m.

1 stop10h 30m

C$ 687

SeattleOttawa

SEA Seattle/Tacoma Intl - YOW Ottawa

SEAYOW

Seattle/Tacoma Intl

Thu 10/12

3:44 p.m.-11:33 a.m.

2 stops16h 49m

Ottawa

Sun 10/1

6:10 a.m.-1:40 p.m.

1 stop10h 30m

C$ 694

SeattleOttawa

SEA Seattle/Tacoma Intl - YOW Ottawa

SEAYOW

Seattle/Tacoma Intl

Fri 4/12

11:25 p.m.-1:11 p.m.

1 stop10h 46m

Ottawa

Mon 7/12

7:50 a.m.-6:22 p.m.

2 stops13h 32m

C$ 698

SeattleOttawa

SEA Seattle/Tacoma Intl - YOW Ottawa

SEAYOW

Seattle/Tacoma Intl

Sat 12/12

2:20 p.m.-2:30 p.m.

1 stop21h 10m

Ottawa

Sun 10/1

5:30 a.m.-1:40 p.m.

2 stops35h 10m

C$ 703

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/11

Showing 1-10 of 15 resultsSorted by cheapest first

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.

SEA-YOW

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington to Ottawa

USWA-YOW

SEA-YOW

How much does it cost to fly round-trip from State of Washington to Ottawa?

Airfare is below average for this route at the moment.

State of Washington to Ottawa flights typically cost between C$ 953 and C$ 1,380 in January.
The cheapest round-trip price found within the last 5 days was C$ 562 on WestJet (31 Jan-2 Feb).

Related info for your journey

What airport do you fly into for flights to Ottawa from Washington?
Ottawa (YOW) is the airport you will fly into if you book a flight from Washington to Ottawa. It is only a 10.6 km journey from Ottawa (YOW) to Ottawa’s city centre.
How long is the flight from State of Washington to Ottawa?
WestJet can get you from State of Washington to Ottawa in just under 30h 10m. Your travel time can differ by up to . State of Washington and Ottawa are separated by a distance of 3529 km.
Can I find deals for flights from Washington to Ottawa that include hotel bookings?
Yes. In addition to deals on Washington to Ottawa flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Washington to Ottawa?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington to Ottawa.
Can I find deals for business class flights from Washington to Ottawa?
Yes. Cheapflights offers flight deals from Washington to Ottawa by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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Cheap flights from Washington to Ottawa from C$ 292

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 13/1. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap 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 9 November 2026.

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 9 November 2026.

Best flights from Washington to OttawaDiscover carefully curated flight deals from Washington to Ottawa that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 9 November 2026.

Discover carefully curated flight deals from Washington to Ottawa that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 9 November 2026.

Last-minute flights from Washington to OttawaDiscover last-minute flight deals from Washington to Ottawa. Data last updated 9 November 2026 and is based on user searches.

Discover last-minute flight deals from Washington to Ottawa. Data last updated 9 November 2026 and is based on user searches.

One-way flights from Washington to OttawaSearch for one-way flight options from Washington to Ottawa. Find affordable one-way fares based on user searches. Data last updated 9 November 2026.

Search for one-way flight options from Washington to Ottawa. Find affordable one-way fares based on user searches. Data last updated 9 November 2026.

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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

How much does it cost to fly round-trip from State of Washington to Ottawa?

Airfare is below average for this route at the moment.

State of Washington to Ottawa flights typically cost between C$ 953 and C$ 1,380 in January.The cheapest round-trip price found within the last 5 days was C$ 562 on WestJet (31 Jan-2 Feb).

Related info for your journey

What airport do you fly into for flights to Ottawa from Washington?

How long is the flight from State of Washington to Ottawa?

Can I find deals for flights from Washington to Ottawa that include hotel bookings?

How can I find direct flights from Washington to Ottawa?

Can I find deals for business class flights from Washington to Ottawa?

Travelling to a place near Ottawa?

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Alternative routes for Washington to Ottawa

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Complete your trip

Complete your trip to Ottawa by adding a car rental and/or hotel reservation to your travel itinerary.

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Search flights from Washington to Ottawa by cabin class

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Washington and Ottawa flights

Browse other Washington and Ottawa flight options. Last updated on 9 November 2026.

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How does Cheapflights help users find flights from Washington to Ottawa?

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Can Cheapflights find flights from Washington to Ottawa with no change fees?

Can Cheapflights notify me if prices for flights from Washington to Ottawa become cheaper?

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Cheapest flights from Washington to Ottawa
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 9 November 2026.

Best flights from Washington to Ottawa
Discover carefully curated flight deals from Washington to Ottawa that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 9 November 2026.

Last-minute flights from Washington to Ottawa
Discover last-minute flight deals from Washington to Ottawa. Data last updated 9 November 2026 and is based on user searches.

One-way flights from Washington to Ottawa
Search for one-way flight options from Washington to Ottawa. Find affordable one-way fares based on user searches. Data last updated 9 November 2026.

State of Washington to Ottawa flights typically cost between C$ 953 and C$ 1,380 in January.
The cheapest round-trip price found within the last 5 days was C$ 562 on WestJet (31 Jan-2 Feb).