HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ottawa

$157+ Cheap flights from Washington, D.C. (WAS) to Ottawa (YOW)

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 12/11. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — YOW
Nov 25 — Dec 21
Mon 11/25
Mon 12/2
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Washington, D.C. to Ottawa with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

The best prices from Washington, D.C. to Ottawa are usually found in April or May, booked 63 days in advance, depart on a Saturday or Thursday and return on a Tuesday

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 November 20, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Popular in

September

Cheapest in

April

Round-trip from

$312
(Flysmarter)

One-way from

$157
(oojo)
Provider with most accurate pricing for Washington, D.C. (WAS)-Ottawa flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Ottawa flights.
Search Deals
High demand for flights, 23% potential price rise
Search Deals
Best time to find cheap flights, 27% potential price drop
Search Deals
From Washington, D.C. (WAS) to Ottawa
Search Deals
One-way flight from Washington, D.C. (WAS) to Ottawa
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 November 20, 2024.

This Flysmarter deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/115:15 pmIAD - YOW
Nonstop1h 39mLufthansa
Thu 12/125:30 amYOW - IAD
1 stop4h 16mLufthansa
Deal found 11/19$312
This Flightnetwork deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/111:45 pmIAD - YOW
1 stop4h 46mPorter Airlines
Thu 12/125:45 pmYOW - IAD
1 stop4h 39mPorter Airlines
Deal found 11/19$325
This Mytrip deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/107:00 pmBWI - YOW
2 stops22h 24mMultiple Airlines
Tue 12/172:45 pmYOW - BWI
2 stops16h 54mMultiple Airlines
Deal found 11/19$384
This Mytrip deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/236:00 amDCA - YOW
1 stop6h 18mAir Canada
Mon 12/234:00 pmYOW - DCA
1 stop16h 57mAir Canada
Deal found 11/20$394
This Trip.com deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/1012:45 pmIAD - YOW
2 stops11h 25mMultiple Airlines
Tue 12/175:45 pmYOW - IAD
1 stop4h 39mMultiple Airlines
Deal found 11/19$410
This Gotogate deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/115:15 pmIAD - YOW
Nonstop1h 39mAir Canada
Thu 12/127:30 pmYOW - IAD
Nonstop1h 50mAir Canada
Deal found 11/19$458
This Flysmarter deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1112:55 pmDCA - YOW
Nonstop1h 40mMultiple Airlines
Thu 12/1211:00 amYOW - DCA
1 stop4h 19mMultiple Airlines
Deal found 11/19$484
This United Airlines deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/117:00 amDCA - YOW
1 stop6h 20mUnited Airlines
Thu 12/123:11 pmYOW - DCA
1 stop4h 22mUnited Airlines
Deal found 11/19$500
This United Airlines deal was found by Cheapflights users on 11/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/1510:15 pmIAD - YOW
Nonstop1h 39mUnited Airlines
Tue 12/172:05 pmYOW - IAD
Nonstop1h 50mUnited Airlines
Deal found 11/18$524
This Kissandfly.com deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/116:55 amDCA - YOW
2 stops17h 15mWestJet
Thu 12/123:11 pmYOW - DCA
1 stop7h 27mWestJet
Deal found 11/19$632
This Delta deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/156:30 pmDCA - YOW
2 stops20h 46mDelta
Wed 12/185:55 amYOW - DCA
2 stops12h 34mDelta
Deal found 11/20$922
This CheapOair deal was found by Cheapflights users on 11/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/286:02 amBWI - YOW
2 stops18h 08mWestJet
Wed 1/15:55 amYOW - BWI
2 stops34h 57mWestJet
Deal found 11/18$1,019

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 2,629,791 searches. Data last updated November 20, 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

Wed 12/11

5:15 pm-6:54 pm

Nonstop1h 39m

Ottawa

Thu 12/12

5:30 am-9:46 am

1 stop4h 16m

$312

Washington, D.C.Ottawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

Wed 12/11

1:45 pm-6:31 pm

1 stop4h 46m

Ottawa

Thu 12/12

5:45 pm-10:24 pm

1 stop4h 39m

$325

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Tue 12/10

7:00 pm-5:24 pm

2 stops22h 24m

Ottawa

Tue 12/17

2:45 pm-7:39 am

2 stops16h 54m

$384

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Mon 12/23

6:00 am-12:18 pm

1 stop6h 18m

Ottawa

Mon 12/23

4:00 pm-8:57 am

1 stop16h 57m

$394

Washington, D.C.Ottawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

Tue 12/10

12:45 pm-12:10 am

2 stops11h 25m

Ottawa

Tue 12/17

5:45 pm-10:24 pm

1 stop4h 39m

$410

Washington, D.C.Ottawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

Wed 12/11

5:15 pm-6:54 pm

Nonstop1h 39m

Ottawa

Thu 12/12

7:30 pm-9:20 pm

Nonstop1h 50m

$458

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Wed 12/11

12:55 pm-2:35 pm

Nonstop1h 40m

Ottawa

Thu 12/12

11:00 am-3:19 pm

1 stop4h 19m

$484

Washington, D.C.Ottawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

Sun 12/15

10:15 pm-11:54 pm

Nonstop1h 39m

Ottawa

Tue 12/17

2:05 pm-3:55 pm

Nonstop1h 50m

$524

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Thu 1/30

6:00 am-12:10 am

2 stops18h 10m

Ottawa

Sun 2/2

5:55 am-4:48 pm

2 stops10h 53m

$548

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Thu 12/26

6:59 am-1:23 pm

1 stop6h 24m

Ottawa

Tue 12/31

10:30 am-12:20 pm

Nonstop1h 50m

$571

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

Showing 1-10 of 28 results
1
2
3

Compare providers for flights from Washington, D.C. to Ottawa

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Washington, D.C. to Ottawa in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Washington, D.C.-Ottawa flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C.-Ottawa flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C.-Ottawa flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C.-Ottawa flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C.-Ottawa flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 November 15, 2024.

The best time to book flights from Washington, D.C. to Ottawa is 63 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, January is the cheapest month in which you can book a flight from Washington, D.C. to Ottawa (average of $283). Flying from Washington, D.C. to Ottawa in June is currently the most expensive (average of $460). 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 November 20, 2024.

It’s optimal to fly from Washington, D.C. to Ottawa in the morning. By choosing this option you can save up to 28% on the cost of your flight, compared to a flight in the afternoon.

What is the cheapest day to fly from Washington, D.C. to Ottawa?

Use this chart to determine the cheapest time to fly round-trip from Washington, D.C. to Ottawa. Price data was last updated on November 18, 2024.

Travelers seeking maximum savings on their Washington, D.C. to Ottawa flight should consider departing on Wednesday evenings when fares are most often at their lowest. Wednesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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 November 20, 2024.

The most flights from WAS to YOW are scheduled on a Monday (9 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (6 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 2.0 - 3.7 inches per month. June is typically the wettest month, when rainfall can reach 3.7 in. February is typically the driest time to visit Ottawa when rainfall is around 2.0 in.

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 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 14.0 F).

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 November 20, 2024.
Read through reviews of airlines operating flights from Washington, D.C. to Ottawa, such as United Airlines, Porter Airlines and Air Canada. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,461 reviews

Overall

8.0

Crew

8.5

Entertainment

7.1

Food

7.2

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

Alaska Airlines
8.0
Very good
9,461 reviews
Alaska Airlines
8.0
Very good
9,461 reviews

Overall

8.0

Crew

8.5

Entertainment

7.1

Food

7.2

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

Delta
8.0
Very good
8,756 reviews
Alaska Airlines
8.0
Very good
9,461 reviews

Overall

8.0

Crew

8.5

Entertainment

7.1

Food

7.2

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

Porter Airlines
7.8
Good
288 reviews
Alaska Airlines
8.0
Very good
9,461 reviews

Overall

8.0

Crew

8.5

Entertainment

7.1

Food

7.2

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

United Airlines
7.4
Good
9,171 reviews
Alaska Airlines
8.0
Very good
9,461 reviews

Overall

8.0

Crew

8.5

Entertainment

7.1

Food

7.2

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

WestJet
7.3
Good
2,811 reviews
Alaska Airlines
8.0
Very good
9,461 reviews

Overall

8.0

Crew

8.5

Entertainment

7.1

Food

7.2

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

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.?

    Located just 6.6 mi from the city center, Ottawa is the airport most travelers will use when flying to Ottawa from Washington, D.C.. Booking flights from Washington, D.C. to Ottawa (YOW) should be relatively easy as there are 8 daily inbound flights from Washington, D.C. from 4 different airlines.

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

    Flying on Lufthansa is currently your cheapest option to Ottawa, with prices starting at $312. Additional round-trip tickets that might be worth considering are offered by Porter Airlines and Air Canada, with the lowest prices starting at $325 and $394, respectively. You may be able to fly from Washington, D.C. to Ottawa for 14% less than the average price by searching for these airlines.

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

    $157 is the cheapest one-way deal found within the past few days, from Porter Airlines. You may also be able to find cheap deals on Air Canada and United Airlines, with prices starting from $184 and $220, respectively.

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

    When deciding which route to take from Washington, D.C. to Ottawa consider Washington, D.C. Dulles Intl - Ottawa, Washington, D.C. Reagan-National - Ottawa or Baltimore/Washington - Ottawa as they are the most popular.

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

    Consider GoJet (84%), Air Canada (84%) or United Airlines (84%) 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?

    While on average a flight from Washington, D.C. to Ottawa is generally $455, our data shows the cheapest flight currently is $214. When looking at the most popular route, (Washington, D.C. Dulles Intl - Ottawa), you can expect to pay $312 for that flight.

  • 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, January is the cheapest month in which you can book a flight from Washington, D.C. to Ottawa (average of $283). Flying from Washington, D.C. to Ottawa in June is currently the most expensive (average of $460). 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

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 Washington, D.C. to Ottawa

See prices for flight routes from nearby airports that may be better suited for you.
Reagan-National to Pearson Intl flights
Dulles Intl to Pearson Intl flights
Reagan-National to Pierre Elliott Trudeau Intl flights
Dulles Intl to Pierre Elliott Trudeau Intl flights
Dulles Intl to Toronto Island flights
Reagan-National to Toronto Island flights
Dulles Intl to Ottawa flights
Reagan-National to Ottawa flights
Dulles Intl to Hamilton flights
Dulles Intl to Sudbury flights
Dulles Intl to London flights
Reagan-National to London flights
Reagan-National to Hamilton flights
Dulles Intl to Timmins flights
Dulles Intl to Sault Ste Marie flights
Dulles Intl to Thunder Bay flights
Dulles Intl to Kingston flights
Reagan-National to Sault Ste Marie flights
Reagan-National to Thunder Bay flights
Reagan-National to Windsor flights
Reagan-National to Kingston flights

Top 4 airlines flying from Washington, D.C. to Ottawa

Discover the top 4 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 2,629,791 searches. Data last updated November 20, 2024.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$144Average$481FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$209Average$515FlexibilityNo cancel feeOn-time69%
Porter AirlinesCheapest$273Average$379FlexibilityNo cancel feeOn-time52%
Air TransatCheapest$347Average$348FlexibilityNo cancel feeOn-time50%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
View all available airlines