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Cheap flights from Washington, D.C. to Ottawa from C$ 163

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 27/1. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — YOW
23 Dec — 30 Dec1
1 adult

The best prices from Washington, D.C. to Ottawa are usually found in April or May, booked 43 days in advance, depart on a Tuesday or Saturday and return on a Wednesday

Cheap flight deals from Washington, D.C. to Ottawa

Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) to Ottawa (YOW). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 18 December 2024.

Round-trip from

C$ 373

One-way from

C$ 163

Popular in

September

Cheapest in

April

Average price

C$ 471
Porter Airlines
  • Porter Airlines
  • 11/1-12/1
  • 2 total stops
  • 8h 53m total
  • Washington, D.C. to Ottawa
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Porter Airlines
  • Porter Airlines
  • 27/1
  • 1 total stop
  • 6h 24m total
  • Washington, D.C. to Ottawa
Search Deals
High demand for flights, 16% potential price rise
Search Deals
Best time to find cheap flights, 2% potential price drop
Search Deals
Average for round-trip flights in December 2024
Search Deals

Find flight deals from Washington, D.C. to Ottawa

Cheapest flights from Washington, D.C. to Ottawa
Explore the most affordable flight options available from Washington, D.C. to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 December 2024.

Mon 30/127:00 a.m.IAD - YOW
1 stop4h 11mPorter Airlines
Mon 6/18:35 a.m.YOW - IAD
1 stop4h 24mPorter Airlines
Deal found 17/12C$ 518
Tue 31/1212:55 p.m.DCA - YOW
Nonstop1h 40mAir Canada
Tue 7/110:30 a.m.YOW - DCA
Nonstop1h 50mAir Canada
Deal found 17/12C$ 608
Tue 31/125:10 p.m.IAD - YOW
Nonstop1h 44mAir Canada
Tue 7/16:45 a.m.YOW - IAD
1 stop9h 41mAir Canada
Deal found 17/12C$ 656
Tue 31/1212:49 p.m.IAD - YOW
Nonstop1h 40mUnited Airlines
Tue 7/12:05 p.m.YOW - IAD
Nonstop1h 53mUnited Airlines
Deal found 17/12C$ 747
Tue 17/1210:10 p.m.IAD - YOW
2 stops16h 10mMultiple Airlines
Thu 16/19:30 a.m.YOW - IAD
1 stop3h 19mMultiple Airlines
Deal found 17/12C$ 768
Tue 17/127:19 p.m.BWI - YOW
2 stops19h 01mMultiple Airlines
Thu 16/14:20 p.m.YOW - BWI
2 stops22h 15mMultiple Airlines
Deal found 17/12C$ 810
Mon 23/1212:55 p.m.DCA - YOW
Nonstop1h 40mUnited Airlines
Mon 30/1210:30 a.m.YOW - DCA
Nonstop1h 50mUnited Airlines
Deal found 16/12C$ 963
Tue 31/127:00 a.m.DCA - YOW
2 stops10h 22mMultiple Airlines
Tue 7/16:00 a.m.YOW - DCA
2 stops8h 22mMultiple Airlines
Deal found 17/12C$ 1,104
Tue 31/126:00 a.m.BWI - YOW
2 stops18h 10mWestJet
Tue 7/18:10 p.m.YOW - BWI
2 stops27h 47mWestJet
Deal found 17/12C$ 1,423
Mon 30/126:00 a.m.DCA - YOW
2 stops18h 10mWestJet
Mon 6/15:55 a.m.YOW - DCA
2 stops13h 43mWestJet
Deal found 17/12C$ 1,758
Tue 31/126:00 a.m.IAD - YOW
2 stops18h 10mWestJet
Tue 7/15:45 p.m.YOW - IAD
2 stops27h 20mWestJet
Deal found 17/12C$ 1,815

Find flights from Washington, D.C. to Ottawa within your budget

Customize your flight search to find flights from Washington, D.C. 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 18 December 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

Washington, D.C.Ottawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

Sat 11/1

1:35 p.m.-6:14 p.m.

1 stop4h 39m

Ottawa

Sun 12/1

8:35 a.m.-12:49 p.m.

1 stop4h 14m

C$ 373

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Fri 17/1

12:55 p.m.-2:35 p.m.

Nonstop1h 40m

Ottawa

Tue 21/1

10:30 a.m.-12:20 p.m.

Nonstop1h 50m

C$ 418

Washington, D.C.Ottawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

Wed 8/1

5:08 p.m.-6:54 p.m.

Nonstop1h 46m

Ottawa

Thu 9/1

2:05 p.m.-3:58 p.m.

Nonstop1h 53m

C$ 418

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Mon 27/1

8:54 p.m.-3:10 p.m.

2 stops18h 16m

Ottawa

Wed 29/1

4:20 p.m.-9:40 a.m.

1 stop17h 20m

C$ 464

Washington, D.C.Ottawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

Wed 15/1

2:10 p.m.-8:34 p.m.

1 stop6h 24m

Ottawa

Wed 22/1

8:10 p.m.-12:49 p.m.

2 stops16h 39m

C$ 510

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Thu 16/1

12:55 p.m.-2:35 p.m.

Nonstop1h 40m

Ottawa

Fri 17/1

10:30 a.m.-12:20 p.m.

Nonstop1h 50m

C$ 557

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Fri 14/2

12:55 p.m.-2:35 p.m.

Nonstop1h 40m

Ottawa

Wed 19/2

10:30 a.m.-12:20 p.m.

Nonstop1h 50m

C$ 696

Washington, D.C.Ottawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

Sat 1/2

6:00 a.m.-12:09 a.m.

2 stops18h 09m

Ottawa

Sun 2/2

5:55 a.m.-11:16 p.m.

2 stops17h 21m

C$ 714

Washington, D.C.Ottawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

Sat 11/1

12:49 p.m.-2:29 p.m.

Nonstop1h 40m

Ottawa

Sun 12/1

5:50 p.m.-10:20 p.m.

1 stop4h 30m

C$ 717

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Fri 17/1

11:35 a.m.-5:33 a.m.

3 stops17h 58m

Ottawa

Wed 22/1

9:35 p.m.-10:53 p.m.

3 stops25h 18m

C$ 944

Flights are sorted by cheapest round-trip flights first.

Deals found on 17/12

Showing 1-10 of 27 results
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Best time to book a flight from Washington, D.C. to Ottawa

Have a flexible travel schedule? Discover the best time to fly to Ottawa from Washington, D.C. 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.

Travel insights for flights from Washington, D.C. to Ottawa

Get recent, data-driven insights about flights from Washington, D.C. to Ottawa including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Washington, D.C. to Ottawa?

Use this chart to determine the optimal time to book a round-trip flight from Washington, D.C. to Ottawa. Price data was last updated on 13 December 2024.

The best time to book flights from Washington, D.C. to Ottawa is 43 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.

What is the cheapest month to book a flight from Washington, D.C. to Ottawa?

Currently, October is the cheapest month in which you can book a flight from Washington, D.C. to Ottawa (average of C$ 224). Flying from Washington, D.C. to Ottawa in March is currently the most expensive (average of C$ 363). 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 WAS to YOW?

Find hourly flight availability from Washington, D.C. 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 18 December 2024.

When flying from Washington, D.C. to Ottawa, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 37% versus a flight in the afternoon.

Weekly flight availability from Washington, D.C. to Ottawa

Explore weekly flight availability from Washington, D.C. to Ottawa. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 18 December 2024.

The most flights from WAS to YOW are scheduled on a Monday (9 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (1 on average).

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 18 December 2024.
Get a feel of what it's like to fly with Delta, United Airlines and Air Canada from Washington, D.C. to Ottawa by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,604 reviews
Check prices

Overall

8.0

Boarding

8.2

Crew

8.6

Food

7.3

Comfort

7.9

Entertainment

7.9

Reviews

1 / 10

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

Delta
8.0
Very good
8,604 reviews
Delta
8.0
Very good
8,604 reviews
Check prices

Overall

8.0

Boarding

8.2

Crew

8.6

Food

7.3

Comfort

7.9

Entertainment

7.9

Reviews

1 / 10

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

Porter Airlines
7.9
Good
283 reviews
Delta
8.0
Very good
8,604 reviews
Check prices

Overall

8.0

Boarding

8.2

Crew

8.6

Food

7.3

Comfort

7.9

Entertainment

7.9

Reviews

1 / 10

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

United Airlines
7.4
Good
9,059 reviews
Delta
8.0
Very good
8,604 reviews
Check prices

Overall

8.0

Boarding

8.2

Crew

8.6

Food

7.3

Comfort

7.9

Entertainment

7.9

Reviews

1 / 10

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

WestJet
7.3
Good
2,818 reviews
Delta
8.0
Very good
8,604 reviews
Check prices

Overall

8.0

Boarding

8.2

Crew

8.6

Food

7.3

Comfort

7.9

Entertainment

7.9

Reviews

1 / 10

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

Air Canada
7.0
Good
8,382 reviews
Delta
8.0
Very good
8,604 reviews
Check prices

Overall

8.0

Boarding

8.2

Crew

8.6

Food

7.3

Comfort

7.9

Entertainment

7.9

Reviews

1 / 10

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

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. 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, D.C.?

    Ottawa (YOW), located 10.6 km from the city centre, is the airport you fly into when you book flights from Washington, D.C. to Ottawa. 2 airlines have flights to Ottawa from Washington, D.C. on a regular basis. Booking flights from Washington, D.C. to Ottawa should not be difficult; the airport handles an average of 4 inbound flights from Washington, D.C. per day.

  • What are the cheapest airlines flying from Washington, D.C. to Ottawa round-trip?

    Our cheapest airline available from Washington, D.C. to Ottawa is Porter Airlines. Our recent data shows that you can find tickets from as low as C$ 373 on this airline. Additional options worth looking into are Air Canada and United Airlines, starting at C$ 418 and C$ 696 round-trip. Porter Airlines is 28% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Washington, D.C. to Ottawa one-way?

    One-way options have recently been found by users for as low as C$ 163 on Porter Airlines. Other airlines that offer cheap prices include Air Canada from C$ 189 and WestJet from C$ 316 one-way.

  • What are the most popular routes from Washington, D.C. to Ottawa?

    The most popular route from Washington, D.C. to Ottawa is Washington, D.C. Dulles Intl - Ottawa. You may also consider Baltimore/Washington - Ottawa or Washington, D.C. Reagan-National - Ottawa.

  • What are the most reliable airlines from Washington, D.C. to Ottawa?

    Consider GoJet (79%), Air Canada (79%) or United Airlines (79%) when booking your flight. These represent the most reliable airlines when flying from Washington, D.C. to Ottawa.

  • What are the cheapest flights from Washington, D.C. to Ottawa?

    On average you can expect to pay C$ 590 for a flight from Washington, D.C. to Ottawa. The cheapest flight overall is C$ 173 while the most popular route, (Washington, D.C. Dulles Intl - Ottawa) is currently priced at C$ 368.

  • Can I find deals for flights from Washington, D.C. to Ottawa that include hotel bookings?

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

  • How can I find direct flights from Washington, D.C. to Ottawa?

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

  • Can I find deals for business class flights from Washington, D.C. to Ottawa?

    Yes. Cheapflights offers flight deals from Washington, D.C. 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 Washington, D.C. to Ottawa?

    Currently, October is the cheapest month in which you can book a flight from Washington, D.C. to Ottawa (average of C$ 224). Flying from Washington, D.C. to Ottawa in March is currently the most expensive (average of C$ 363). 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 2 airlines flying from Washington, D.C. to Ottawa

Discover the top 2 airlines that operate flights from Washington, D.C. to Ottawa. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 18 December 2024.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 232AverageC$ 542FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Porter AirlinesCheapestC$ 405AverageC$ 503FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Washington, D.C. to Ottawa?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Washington, D.C. to Ottawa. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Washington, D.C. to Ottawa?

Cheapflights simply makes it quick and affordable to book flights from Washington, D.C. to Ottawa by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Washington, D.C. to Ottawa with no change fees?

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

Can Cheapflights notify me if prices for flights from Washington, D.C. to Ottawa become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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