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

C$ 164 is the cheapest one-way deal found within the past few days, from WestJet. You may also be able to find cheap deals on Air Canada and Delta, with prices starting from C$ 214 and C$ 245, respectively.

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

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 14 days in advance, which can save you up to 69% on flights from State of Washington to Ottawa compared to booking the week you need them. Waiting 14 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at C$ 397. For sooner than that we have options available in the next 3 days from C$ 673.

What is the cheapest month to fly from State of Washington to Ottawa?

Due to multiple factors, expect to potentially pay more when booking in January. For low rates, September can be a great choice for travel to Ottawa. Flights to Ottawa from State of Washington in September are about C$ 748 on average during September, but can be found for as low as C$ 289.

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+ Flights from Washington to Ottawa

Cheap flight deals from Washington to Ottawa

Round-trip from	C$ 365
One-way from	C$ 164
Popular in	January
Cheapest in	September
Average price	C$ 762

WestJet
4/6-11/6
3 total stops
20h 43m total
Washington to Ottawa

Search Deals

WestJet
4/8
1 total stop
7h 56m total
Washington to Ottawa

Search Deals

Highest demand for flights based on searches. 15% potential increase in price (C$ 196 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (C$ 27 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 2025

Search Deals

Find flight deals from Washington to Ottawa

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 April 2025.

Fri 6/67:05 a.m.SEA - YOW

1 stop8h 16mWestJet

Fri 13/66:10 a.m.YOW - SEA

1 stop9h 21mWestJet

Deal found 22/4C$ 364

Tue 5/81:45 p.m.PDX - YOW

2 stops12h 40mWestJet

Wed 20/86:00 a.m.YOW - PDX

1 stop9h 52mWestJet

Deal found 20/4C$ 380

Fri 6/67:05 a.m.SEA - YOW

1 stop8h 16mMultiple Airlines

Fri 13/66:00 a.m.YOW - SEA

2 stops9h 58mMultiple Airlines

Deal found 22/4C$ 419

Tue 6/57:01 p.m.PDX - YOW

1 stop21h 54mMultiple Airlines

Fri 9/512:20 p.m.YOW - PDX

2 stops27h 22mMultiple Airlines

Deal found 22/4C$ 502

Sun 25/55:30 a.m.SEA - YOW

2 stops10h 56mAir Canada

Wed 28/52:35 p.m.YOW - SEA

1 stop8h 02mAir Canada

Deal found 22/4C$ 614

Fri 6/610:15 p.m.SEA - YOW

2 stops11h 54mUnited Airlines

Fri 13/67:29 p.m.YOW - SEA

2 stops15h 32mUnited Airlines

Deal found 22/4C$ 655

Wed 14/56:15 a.m.PDX - YOW

1 stop7h 04mAir Canada

Fri 16/59:55 p.m.YOW - PDX

1 stop14h 35mAir Canada

Deal found 21/4C$ 818

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 April 2025.

Wed 4/61:50 p.m.SEA - YOW

2 stops12h 35mWestJet

Wed 11/67:50 a.m.YOW - SEA

1 stop8h 08mWestJet

Deal found 21/4C$ 365

Wed 4/61:50 p.m.SEA - YOW

2 stops12h 35mMultiple Airlines

Wed 11/610:00 a.m.YOW - SEA

2 stops11h 33mMultiple Airlines

Deal found 21/4C$ 429

Sun 25/511:30 a.m.SEA - YOW

1 stop9h 49mAir Canada

Wed 28/56:00 p.m.YOW - SEA

1 stop7h 13mAir Canada

Deal found 21/4C$ 481

Wed 14/57:00 a.m.SEA - YOW

2 stops11h 09mUnited Airlines

Thu 15/55:15 a.m.YOW - SEA

2 stops20h 48mUnited Airlines

Deal found 20/4C$ 650

Tue 5/81:45 p.m.PDX - YOW

2 stops12h 40mWestJet

Wed 20/86:00 a.m.YOW - PDX

1 stop9h 52mWestJet

Deal found 20/4C$ 380

Tue 6/57:01 p.m.PDX - YOW

1 stop21h 54mMultiple Airlines

Fri 9/512:20 p.m.YOW - PDX

2 stops27h 22mMultiple Airlines

Deal found 22/4C$ 502

Wed 14/56:15 a.m.PDX - YOW

1 stop7h 04mAir Canada

Fri 16/59:55 p.m.YOW - PDX

1 stop14h 35mAir Canada

Deal found 21/4C$ 818

Last-minute flights from Washington to Ottawa
Discover last-minute flight deals from Washington to Ottawa. Data last updated 22 April 2025 and is based on user searches.

Sun 27/42:05 p.m.SEA - YOW

1 stop7h 36mWestJet

Wed 30/46:00 a.m.YOW - SEA

1 stop9h 58mWestJet

Deal found 22/4C$ 1,454

Tue 6/57:05 a.m.SEA - YOW

1 stop28h 53mMultiple Airlines

Fri 9/55:15 a.m.YOW - SEA

1 stop8h 30mMultiple Airlines

Deal found 22/4C$ 473

Tue 6/57:01 p.m.PDX - YOW

1 stop21h 54mMultiple Airlines

Fri 9/512:20 p.m.YOW - PDX

2 stops27h 22mMultiple Airlines

Deal found 22/4C$ 502

Sun 11/51:45 p.m.PDX - YOW

1 stop14h 00mWestJet

Mon 19/56:00 a.m.YOW - PDX

1 stop9h 52mWestJet

Deal found 21/4C$ 442

Wed 14/56:15 a.m.PDX - YOW

1 stop7h 04mAir Canada

Fri 16/59:55 p.m.YOW - PDX

1 stop14h 35mAir Canada

Deal found 21/4C$ 818

Sun 25/55:30 a.m.SEA - YOW

2 stops10h 56mAir Canada

Wed 28/52:35 p.m.YOW - SEA

1 stop8h 02mAir Canada

Deal found 22/4C$ 614

Thu 29/51:50 p.m.SEA - YOW

1 stop7h 52mWestJet

Fri 30/56:00 a.m.YOW - SEA

1 stop9h 58mWestJet

Deal found 22/4C$ 420

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 April 2025.

Mon 4/81:45 p.m.PDX - YOW

1 stop7h 56mWestJet

Deal found 22/4C$ 164

Sat 5/77:35 p.m.SEA - YOW

1 stop8h 10mWestJet

Deal found 21/4C$ 182

Tue 17/63:39 p.m.SEA - YOW

2 stops20h 05mMultiple Airlines

Deal found 21/4C$ 210

Thu 19/65:35 a.m.SEA - YOW

1 stop7h 41mAir Canada

Deal found 21/4C$ 214

Fri 6/61:19 p.m.PDX - YOW

2 stops32h 02mMultiple Airlines

Deal found 22/4C$ 217

Fri 6/61:45 p.m.PDX - YOW

1 stop7h 56mDelta

Deal found 22/4C$ 245

Fri 20/65:26 p.m.SEA - YOW

1 stop17h 38mUnited Airlines

Deal found 21/4C$ 276

Cheapflights Fare Finder

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

Fri 6/6

7:05 a.m.-6:21 p.m.

1 stop8h 16m

Ottawa

Fri 13/6

6:10 a.m.-12:31 p.m.

1 stop9h 21m

C$ 364

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Tue 5/8

1:45 p.m.-5:25 a.m.

2 stops12h 40m

Ottawa

Wed 20/8

6:00 a.m.-12:52 p.m.

1 stop9h 52m

C$ 380

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Fri 6/6

7:05 a.m.-6:21 p.m.

1 stop8h 16m

Ottawa

Fri 13/6

6:00 a.m.-12:58 p.m.

2 stops9h 58m

C$ 419

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Tue 6/5

7:01 p.m.-7:55 p.m.

1 stop21h 54m

Ottawa

Fri 9/5

12:20 p.m.-12:42 p.m.

2 stops27h 22m

C$ 502

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Sun 25/5

5:30 a.m.-7:26 p.m.

2 stops10h 56m

Ottawa

Wed 28/5

2:35 p.m.-7:37 p.m.

1 stop8h 02m

C$ 614

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Fri 6/6

10:15 p.m.-1:09 p.m.

2 stops11h 54m

Ottawa

Fri 13/6

7:29 p.m.-8:01 a.m.

2 stops15h 32m

C$ 655

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Wed 14/5

6:15 a.m.-4:19 p.m.

1 stop7h 04m

Ottawa

Fri 16/5

9:55 p.m.-9:30 a.m.

1 stop14h 35m

C$ 818

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Mon 4/8

1:45 p.m.-12:41 a.m.

1 stop7h 56m

C$ 164

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Wed 28/5

1:50 p.m.-5:25 a.m.

2 stops12h 35m

C$ 192

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Tue 17/6

3:39 p.m.-2:44 p.m.

2 stops20h 05m

C$ 210

Flights are sorted by cheapest round-trip flights first.

Deals found on 22/4

Showing 1-10 of 14 results

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.

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

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?

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

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

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

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.

Delta

8.0

Very good

7,920 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta

8.0

Very good

7,920 reviews

Delta

8.0

Very good

7,920 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines

7.4

Good

8,683 reviews

Delta

8.0

Very good

7,920 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

WestJet

7.2

Good

2,813 reviews

Delta

8.0

Very good

7,920 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Air Canada

7.0

Good

9,179 reviews

Delta

8.0

Very good

7,920 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.
What are the cheapest airlines to fly from State of Washington to Ottawa one-way?
C$ 164 is the cheapest one-way deal found within the past few days, from WestJet. You may also be able to find cheap deals on Air Canada and Delta, with prices starting from C$ 214 and C$ 245, respectively.
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.
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.

See more FAQs

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

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

Cheapflights helps you find that perfect flight to Ottawa from Washington by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Yes! Cheapflights helps users easily find flights from Washington to Ottawa with no change fees.

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

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.

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Cheap flights from Washington to Ottawa from C$ 164

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 4/8. 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 22 April 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

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 22 April 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 22 April 2025.

Cheapflights Fare Finder

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

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?

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 22 April 2025.

Rainfall in Ottawa by month

Plan your trip to Ottawa by taking into account the average rainfall totals by month.

Temperature in Ottawa by month

Plan your trip to Ottawa by taking into account the average temperature totals by month.

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 22 April 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.

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.

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

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

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?

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

Travelling to a place near Washington?

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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.

Fly with Cheapflights

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

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

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 22 April 2025.