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

A quick flight from Ottawa to State of Washington can take about 10h 30m. WestJet provides one of the quickest options available for as low as C$ 600. Airlines will cover a distance of 3529 km. Both multi-stop and direct flights can be found to your destination and back.

What are the cheapest airlines to fly from Ottawa to State of Washington one-way?

For one-way options, check prices for WestJet. According to our data, you can fly for as low as C$ 124. Users have also found prices from C$ 155 and C$ 167 on Air Canada and United Airlines, respectively.

In terms of precipitation, rainfall in State of Washington ranges from 18.0 - 168.0 mm per month. November is typically the wettest month, when rainfall can reach 168.0 mm. July is typically the driest time to visit State of Washington when rainfall is around 18.0 mm.

If weather is an important factor for your trip to State of Washington, 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 19.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 5.0 C).

What are the most popular routes from Ottawa to State of Washington?

While some choose either Ottawa - Portland or Ottawa - Everett Paine Field, Ottawa - Seattle/Tacoma Intl is the most popular route from Ottawa to State of Washington.

What are the most popular airlines that fly from Ottawa to State of Washington?

Consider WestJet, Air Canada or United Airlines when booking your flight. These represent the most popular airlines when flying from Ottawa to State of Washington.

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ottawa to State of Washington as you normally would.

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

If you book a flight to Washington from Ottawa, you will be flying from Ottawa, which is the city’s only airport. Ottawa (YOW) is located 10.6 km from the centre of Ottawa.

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

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

How can I find direct flights from Ottawa to Washington?

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

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

Yes. Cheapflights offers flight deals from Ottawa to Washington 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$ 340+ Cheap Flights from Ottawa to Washington

Cheap flight deals from Ottawa to Washington

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from Ottawa to Washington
Explore the most affordable flight options available from Ottawa to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 8 November 2026.

Thu 10/126:10 a.m. -

1 stop10h 30m

Wed 16/122:30 p.m. -

1 stop21h 00m

Deal found 6/11C$ 650

Wed 9/126:10 a.m. -

1 stop10h 30m

Sat 12/122:20 p.m. -

2 stops30h 20m

Deal found 4/11C$ 657

Wed 9/129:45 a.m. -

2 stops11h 39m

Sat 12/124:04 p.m. -

2 stops19h 05m

Deal found 4/11C$ 670

Fri 11/126:00 a.m. -

1 stop19h 27m

Tue 5/14:00 p.m. -

2 stops19h 09m

Deal found 6/11C$ 701

Thu 24/122:00 p.m. -

2 stops22h 49m

Sat 9/18:08 a.m. -

1 stop8h 19m

Deal found 8/11C$ 729

Sat 12/126:00 a.m. -

2 stops18h 21m

Sun 3/17:10 p.m. -

2 stops21h 20m

Deal found 7/11C$ 730

Thu 17/126:15 a.m. -

1 stop15h 51m

Fri 25/127:45 a.m. -

1 stop8h 45m

Deal found 8/11C$ 735

Wed 25/116:10 a.m. -

1 stop10h 30m

Sun 29/115:48 p.m. -

2 stops21h 04m

Deal found 5/11C$ 736

Fri 18/127:00 a.m. -

1 stop16h 59m

Fri 25/127:45 a.m. -

1 stop8h 45m

Deal found 3/11C$ 750

Find flight deals from Ottawa to Washington

Round-trip from	C$ 497
One-way from	C$ 340
Popular in	May
Cheapest in	January
Average price	C$ 664

WestJet
27/1-4/2
2 total stops
31h 30m total
Ottawa to Washington

Search Deals

WestJet
16/2-31/12
1 total stop
10h 30m total
Ottawa to Washington

Search Deals

Highest demand for flights based on searches. 6% potential increase in price (C$ 67 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (C$ 29 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

Quickest round-trip

OttawaSeattle

YOW Ottawa - SEA Seattle/Tacoma Intl

YOWSEA

Ottawa

Tue 16/2

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

1 stop10h 30m

Seattle/Tacoma Intl

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 340

OttawaSeattle

YOW Ottawa - SEA Seattle/Tacoma Intl

YOWSEA

Ottawa

Tue 16/2

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

2 stops13h 32m

Seattle/Tacoma Intl

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 353

OttawaSeattle

YOW Ottawa - SEA Seattle/Tacoma Intl

YOWSEA

Ottawa

Fri 8/1

9:45 a.m.-9:59 p.m.

2 stops15h 14m

Seattle/Tacoma Intl

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 356

OttawaSeattle

YOW Ottawa - SEA Seattle/Tacoma Intl

YOWSEA

Ottawa

Wed 25/11

4:15 p.m.-1:40 p.m.

1 stop24h 25m

Seattle/Tacoma Intl

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 363

OttawaSeattle

YOW Ottawa - SEA Seattle/Tacoma Intl

YOWSEA

Ottawa

Thu 17/12

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

2 stops35h 10m

Seattle/Tacoma Intl

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 374

OttawaSeattle

YOW Ottawa - SEA Seattle/Tacoma Intl

YOWSEA

Ottawa

Sat 5/12

9:45 a.m.-6:24 p.m.

2 stops11h 39m

Seattle/Tacoma Intl

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 377

OttawaSeattle

YOW Ottawa - SEA Seattle/Tacoma Intl

YOWSEA

Ottawa

Sun 7/2

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

1 stop10h 30m

Seattle/Tacoma Intl

Sun 14/2

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

2 stops30h 10m

C$ 600

OttawaSeattle

YOW Ottawa - SEA Seattle/Tacoma Intl

YOWSEA

Ottawa

Fri 29/1

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

1 stop10h 30m

Seattle/Tacoma Intl

Mon 1/2

6:00 a.m.-11:40 p.m.

2 stops14h 40m

C$ 620

OttawaSeattle

YOW Ottawa - SEA Seattle/Tacoma Intl

YOWSEA

Ottawa

Fri 29/1

9:45 a.m.-6:12 p.m.

2 stops11h 27m

Seattle/Tacoma Intl

Mon 1/2

7:28 p.m.-2:09 p.m.

2 stops15h 41m

C$ 629

OttawaSeattle

YOW Ottawa - SEA Seattle/Tacoma Intl

YOWSEA

Ottawa

Fri 11/12

6:15 a.m.-8:47 p.m.

2 stops17h 32m

Seattle/Tacoma Intl

Tue 5/1

4:00 p.m.-2:09 p.m.

2 stops19h 09m

C$ 701

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 Ottawa to Washington

Have a flexible travel schedule? Discover the best time to fly to Washington from Ottawa with our price prediction graph.

YOW-SEA

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 Ottawa to Washington

YOW-USWA

YOW-SEA

What is the cheapest month to book a flight from Ottawa to State of Washington?

Currently, January is the cheapest month in which you can book a flight from Ottawa to State of Washington (average of C$ 403). Flying from Ottawa to State of Washington in May is currently the most expensive (average of C$ 862). 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.

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

Airfare is below average for this route at the moment.

Ottawa to State of Washington flights typically cost between C$ 630 and C$ 886 in January.
The cheapest round-trip price found within the last 5 days was C$ 497 on WestJet (27 Jan-4 Feb).

How far ahead should I book a flight from Ottawa to State of Washington?

The best time to book flights from Ottawa to State of Washington is 6 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Reviews of airlines servicing Washington

Check out reviews from past customers who have flown with Delta,United Airlines, andWestJet from Ottawa to Washington to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

7.8

Good

8,698 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Rakshith,May 2026

TPE - SEA

I got middle seat, but it was cheap $340 for Taipei to PDX ,

Delta

7.8

Good

8,698 reviews

Delta

7.8

Good

8,698 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Rakshith,May 2026

TPE - SEA

I got middle seat, but it was cheap $340 for Taipei to PDX ,

United Airlines

7.3

Good

10,469 reviews

Delta

7.8

Good

8,698 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Rakshith,May 2026

TPE - SEA

I got middle seat, but it was cheap $340 for Taipei to PDX ,

WestJet

7.2

Good

3,437 reviews

Delta

7.8

Good

8,698 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Rakshith,May 2026

TPE - SEA

I got middle seat, but it was cheap $340 for Taipei to PDX ,

Air Canada

7.1

Good

11,875 reviews

Delta

7.8

Good

8,698 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Rakshith,May 2026

TPE - SEA

I got middle seat, but it was cheap $340 for Taipei to PDX ,

Related info for your journey

What airport do you fly from for flights from Ottawa to Washington?
If you book a flight to Washington from Ottawa, you will be flying from Ottawa, which is the city’s only airport. Ottawa (YOW) is located 10.6 km from the centre of Ottawa.
How long is the flight from Ottawa to State of Washington?
A quick flight from Ottawa to State of Washington can take about 10h 30m. WestJet provides one of the quickest options available for as low as C$ 600. Airlines will cover a distance of 3529 km. Both multi-stop and direct flights can be found to your destination and back.
What are the cheapest airlines to fly from Ottawa to State of Washington one-way?
For one-way options, check prices for WestJet. According to our data, you can fly for as low as C$ 124. Users have also found prices from C$ 155 and C$ 167 on Air Canada and United Airlines, respectively.
What are the most popular routes from Ottawa to State of Washington?
While some choose either Ottawa - Portland or Ottawa - Everett Paine Field, Ottawa - Seattle/Tacoma Intl is the most popular route from Ottawa to State of Washington.
Can I find deals for flights from Ottawa to Washington that include hotel bookings?
Yes. In addition to deals on Ottawa to Washington flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Ottawa to Washington?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ottawa to Washington.
Can I find deals for business class flights from Ottawa to Washington?
Yes. Cheapflights offers flight deals from Ottawa to Washington by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Ottawa to State of Washington?
Currently, January is the cheapest month in which you can book a flight from Ottawa to State of Washington (average of C$ 403). Flying from Ottawa to State of Washington in May is currently the most expensive (average of C$ 862). 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.

See more FAQs

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Top 4 airlines flying from Ottawa to Washington

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	CheapestC$ 255	AverageC$ 677	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
United Airlines	CheapestC$ 257	AverageC$ 758	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
WestJet	CheapestC$ 311	AverageC$ 604	FlexibilityNo cancel fee	On-time60%	Search WestJet flights
Delta	CheapestC$ 401	AverageC$ 1,134	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights

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

Deals for Ottawa to Washington flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Ottawa to Washington?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Ottawa to Washington for you. Better yet — we are completely free to use.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Ottawa to Washington, users can toggle the no change fees filter when performing a flight search.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Washington from Ottawa today and book when prices fit your budget.

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Cheap flights from Ottawa to Washington from C$ 340

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 16/2. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Ottawa to Washington

Cheapest flights from Ottawa to WashingtonExplore the most affordable flight options available from Ottawa to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 8 November 2026.

Explore the most affordable flight options available from Ottawa to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 8 November 2026.

Best flights from Ottawa to WashingtonDiscover carefully curated flight deals from Ottawa to Washington that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 8 November 2026.

Discover carefully curated flight deals from Ottawa to Washington that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 8 November 2026.

Last-minute flights from Ottawa to WashingtonDiscover last-minute flight deals from Ottawa to Washington. Data last updated 8 November 2026 and is based on user searches.

Discover last-minute flight deals from Ottawa to Washington. Data last updated 8 November 2026 and is based on user searches.

One-way flights from Ottawa to WashingtonSearch for one-way flight options from Ottawa to Washington. Find affordable one-way fares based on user searches. Data last updated 8 November 2026.

Search for one-way flight options from Ottawa to Washington. Find affordable one-way fares based on user searches. Data last updated 8 November 2026.

Find flight deals from Ottawa to Washington

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One-way from

Popular in

Cheapest in

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Use the filters below to find and compare flights from Ottawa to Washington that are best for you.

Best time to book a flight from Ottawa to Washington

Have a flexible travel schedule? Discover the best time to fly to Washington from Ottawa with our price prediction graph.

Cheapflights Insights

What is the cheapest month to book a flight from Ottawa to State of Washington?

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

Airfare is below average for this route at the moment.

Ottawa to State of Washington flights typically cost between C$ 630 and C$ 886 in January.The cheapest round-trip price found within the last 5 days was C$ 497 on WestJet (27 Jan-4 Feb).

How far ahead should I book a flight from Ottawa to State of Washington?

The best time to book flights from Ottawa to State of Washington is 6 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Reviews of airlines servicing Washington

Check out reviews from past customers who have flown with Delta,United Airlines, andWestJet from Ottawa to Washington to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

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

What are the cheapest airlines to fly from Ottawa to State of Washington one-way?

What are the most popular routes from Ottawa to State of Washington?

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

How can I find direct flights from Ottawa to Washington?

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

What is the cheapest month to book a flight from Ottawa to State of Washington?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ottawa to Washington

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

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

Direct flights to United States

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Search flights from Ottawa to Washington by cabin class

Find flights from Ottawa to Washington, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Ottawa and Washington flights

Browse other Ottawa and Washington flight options. Last updated on 8 November 2026.

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Top 4 airlines flying from Ottawa to Washington

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

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

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

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Cheapest flights from Ottawa to Washington
Explore the most affordable flight options available from Ottawa to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 8 November 2026.

Best flights from Ottawa to Washington
Discover carefully curated flight deals from Ottawa to Washington that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 8 November 2026.

Last-minute flights from Ottawa to Washington
Discover last-minute flight deals from Ottawa to Washington. Data last updated 8 November 2026 and is based on user searches.

One-way flights from Ottawa to Washington
Search for one-way flight options from Ottawa to Washington. Find affordable one-way fares based on user searches. Data last updated 8 November 2026.

Ottawa to State of Washington flights typically cost between C$ 630 and C$ 886 in January.
The cheapest round-trip price found within the last 5 days was C$ 497 on WestJet (27 Jan-4 Feb).