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

United Airlines and Air Canada can get you from State of Washington to Ottawa in just under 10h 05m. Your travel time can differ by up to 7h 33m. State of Washington and Ottawa are separated by a distance of 3605 km. This flight may include one or multiple stops.

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$ 164+ 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 22 September 2026.

Mon 19/107:35 p.m. -

1 stop7h 00m

Thu 22/1012:25 p.m. -

2 stops9h 20m

Deal found 18/9C$ 432

Tue 20/107:35 p.m. -

1 stop7h 00m

Tue 27/106:10 a.m. -

1 stop11h 30m

Deal found 19/9C$ 475

Sat 17/108:02 a.m. -

1 stop18h 33m

Sat 24/106:55 a.m. -

2 stops14h 50m

Deal found 19/9C$ 485

Mon 30/112:30 p.m. -

1 stop21h 00m

Fri 29/16:10 a.m. -

1 stop10h 30m

Deal found 19/9C$ 519

Wed 21/107:35 p.m. -

1 stop7h 00m

Wed 28/106:10 a.m. -

2 stops15h 21m

Deal found 21/9C$ 527

Fri 23/107:35 p.m. -

1 stop7h 00m

Mon 26/106:55 p.m. -

1 stop22h 45m

Deal found 20/9C$ 531

Tue 20/107:35 p.m. -

1 stop7h 00m

Tue 27/106:10 a.m. -

2 stops13h 16m

Deal found 19/9C$ 544

Tue 3/1110:10 a.m. -

2 stops10h 51m

Tue 10/116:10 a.m. -

1 stop10h 30m

Deal found 19/9C$ 548

Wed 4/1110:15 p.m. -

1 stop13h 15m

Wed 11/116:55 p.m. -

2 stops19h 27m

Deal found 20/9C$ 747

Fri 16/102:30 p.m. -

1 stop19h 25m

Wed 21/107:20 a.m. -

2 stops18h 42m

Deal found 21/9C$ 748

Tue 20/108:30 a.m. -

1 stop10h 05m

Wed 21/102:52 p.m. -

1 stop8h 18m

Deal found 17/9C$ 755

Tue 20/107:45 p.m. -

1 stop17h 38m

Wed 21/107:30 p.m. -

2 stops17h 01m

Deal found 17/9C$ 761

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 22 September 2026.

Wed 21/107:35 p.m. -

1 stop7h 00m

Wed 28/106:10 a.m. -

2 stops15h 21m

Deal found 21/9C$ 527

Tue 20/108:30 a.m. -

1 stop10h 05m

Wed 21/102:52 p.m. -

1 stop8h 18m

Deal found 17/9C$ 755

Tue 20/107:45 p.m. -

1 stop17h 38m

Wed 21/107:30 p.m. -

2 stops17h 01m

Deal found 18/9C$ 761

Sat 6/36:00 a.m. -

2 stops15h 44m

Fri 12/36:10 a.m. -

1 stop10h 30m

Deal found 17/9C$ 858

Mon 8/311:50 p.m. -

1 stop11h 28m

Sat 13/36:00 a.m. -

1 stop15h 05m

Deal found 21/9C$ 792

Fri 29/16:00 a.m. -

2 stops15h 01m

Sat 6/26:55 p.m. -

1 stop16h 57m

Deal found 18/9C$ 806

Fri 29/13:51 p.m. -

2 stops18h 35m

Sun 31/14:36 p.m. -

2 stops20h 23m

Deal found 19/9C$ 840

Thu 15/1012:11 p.m. -

2 stops14h 24m

Thu 22/1012:25 p.m. -

3 stops26h 15m

Deal found 17/9C$ 859

Fri 29/15:30 p.m. -

2 stops17h 39m

Sat 6/26:15 a.m. -

2 stops10h 05m

Deal found 18/9C$ 840

Fri 29/13:51 p.m. -

2 stops19h 18m

Sun 31/17:50 a.m. -

2 stops13h 32m

Deal found 19/9C$ 869

Thu 15/108:30 a.m. -

1 stop10h 05m

Thu 22/102:52 p.m. -

1 stop8h 18m

Deal found 17/9C$ 852

Sat 3/107:35 p.m. -

2 stops16h 20m

Sun 11/108:35 a.m. -

1 stop28h 05m

Deal found 21/9C$ 900

Tue 27/1010:56 p.m. -

1 stop12h 13m

Thu 29/106:15 a.m. -

1 stop15h 48m

Deal found 19/9C$ 894

Find flight deals from Washington to Ottawa

Round-trip from	C$ 432
One-way from	C$ 164
Popular in	August
Cheapest in	April
Average price	C$ 716

WestJet
19/10-22/10
3 total stops
16h 20m total
Washington to Ottawa

Search Deals

WestJet
19/10-31/12
1 total stop
7h 00m total
Washington to Ottawa

Search Deals

Highest demand for flights based on searches. 15% potential increase in price (C$ 204 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (C$ 41 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in September 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

Sun 1/11

5:58 p.m.-5:58 p.m.

2 stops21h 00m

Ottawa

Wed 31/12

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

Nonstop0h 00m

C$ 252

SeattleOttawa

SEA Seattle/Tacoma Intl - YOW Ottawa

SEAYOW

Seattle/Tacoma Intl

Wed 21/10

7:35 p.m.-12:30 p.m.

2 stops37h 55m

Ottawa

Wed 31/12

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

Nonstop0h 00m

C$ 261

SeattleOttawa

SEA Seattle/Tacoma Intl - YOW Ottawa

SEAYOW

Seattle/Tacoma Intl

Mon 19/10

9:16 p.m.-7:20 p.m.

3 stops43h 04m

Ottawa

Wed 31/12

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

Nonstop0h 00m

C$ 270

PortlandOttawa

PDX Portland - YOW Ottawa

PDXYOW

Portland

Sat 12/12

8:30 a.m.-12:01 a.m.

3 stops36h 31m

Ottawa

Wed 31/12

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

Nonstop0h 00m

C$ 338

PortlandOttawa

PDX Portland - YOW Ottawa

PDXYOW

Portland

Mon 14/12

7:18 p.m.-12:01 a.m.

3 stops25h 43m

Ottawa

Wed 31/12

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

Nonstop0h 00m

C$ 338

Quickest round-trip

SeattleOttawa

SEA Seattle/Tacoma Intl - YOW Ottawa

SEAYOW

Seattle/Tacoma Intl

Sat 17/10

7:35 p.m.-5:35 a.m.

1 stop7h 00m

Ottawa

Wed 31/12

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

Nonstop0h 00m

C$ 349

SeattleOttawa

SEA Seattle/Tacoma Intl - YOW Ottawa

SEAYOW

Seattle/Tacoma Intl

Thu 15/10

7:35 p.m.-5:35 a.m.

1 stop7h 00m

Ottawa

Wed 31/12

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

Nonstop0h 00m

C$ 355

SeattleOttawa

SEA Seattle/Tacoma Intl - YOW Ottawa

SEAYOW

Seattle/Tacoma Intl

Thu 15/10

7:55 p.m.-5:15 p.m.

2 stops18h 20m

Ottawa

Wed 31/12

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

Nonstop0h 00m

C$ 355

SeattleOttawa

SEA Seattle/Tacoma Intl - YOW Ottawa

SEAYOW

Seattle/Tacoma Intl

Tue 8/12

8:40 a.m.-12:26 a.m.

2 stops12h 46m

Ottawa

Wed 31/12

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

Nonstop0h 00m

C$ 376

SeattleOttawa

SEA Seattle/Tacoma Intl - YOW Ottawa

SEAYOW

Seattle/Tacoma Intl

Tue 8/12

7:00 a.m.-9:16 p.m.

1 stop11h 16m

Ottawa

Wed 31/12

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

Nonstop0h 00m

C$ 376

Flights are sorted by cheapest round-trip flights first.

Deals found on 17/9

Showing 1-10 of 28 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

PDX-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

PDX-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$ 528 and C$ 863 in October.
The cheapest round-trip price found within the last 5 days was C$ 432 on WestJet (19 Oct-22 Oct).

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?
United Airlines and Air Canada can get you from State of Washington to Ottawa in just under 10h 05m. Your travel time can differ by up to 7h 33m. State of Washington and Ottawa are separated by a distance of 3605 km. This flight may include one or multiple stops.
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.

See more FAQs

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Cheap flights from Washington to Ottawa from C$ 164

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 19/10. 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 22 September 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 22 September 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 22 September 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 22 September 2026.

Last-minute flights from Washington to OttawaDiscover last-minute flight deals from Washington to Ottawa. Data last updated 22 September 2026 and is based on user searches.

Discover last-minute flight deals from Washington to Ottawa. Data last updated 22 September 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 22 September 2026.

Search for one-way flight options from Washington to Ottawa. Find affordable one-way fares based on user searches. Data last updated 22 September 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$ 528 and C$ 863 in October.The cheapest round-trip price found within the last 5 days was C$ 432 on WestJet (19 Oct-22 Oct).

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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Complete your trip

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Washington and Ottawa flights

Browse other Washington and Ottawa flight options. Last updated on 22 September 2026.

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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 22 September 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 22 September 2026.

Last-minute flights from Washington to Ottawa
Discover last-minute flight deals from Washington to Ottawa. Data last updated 22 September 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 22 September 2026.

State of Washington to Ottawa flights typically cost between C$ 528 and C$ 863 in October.
The cheapest round-trip price found within the last 5 days was C$ 432 on WestJet (19 Oct-22 Oct).