HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ottawa

$157+ Cheap flights from Dulles Intl (IAD) 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.
IAD — 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 Dulles Intl 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. Dulles Intl to Ottawa are usually found in February or December, booked 63 days in advance, depart on a Thursday or Monday and return on a Thursday

Cheap flight deals from Dulles Intl to Ottawa

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) 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

January

Cheapest in

February

Round-trip from

$312
(Flysmarter)

One-way from

$157
(oojo)
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Ottawa flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Ottawa flights.
Search Deals
High demand for flights, 23% potential price rise
Search Deals
Best time to find cheap flights, 34% potential price drop
Search Deals
From Washington, D.C. Dulles Intl to Ottawa
Search Deals
One-way flight from Washington, D.C. Dulles Intl to Ottawa
Search Deals

Find flight deals from Dulles Intl to Ottawa

Cheapest flights from Dulles Intl to Ottawa
Explore the most affordable flight options available from Dulles Intl 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 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 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 WestJet 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/286:00 amIAD - YOW
2 stops13h 23mWestJet
Thu 11/289:35 pmYOW - IAD
2 stops26h 07mWestJet
Deal found 11/20$1,092

Find flights from Dulles Intl to Ottawa within your budget

Customize your flight search to find flights from Dulles Intl 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

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

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

Washington, D.C.Ottawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

Sat 1/4

6:00 am-12:10 am

2 stops18h 10m

Ottawa

Sat 1/11

5:55 am-9:05 pm

2 stops15h 10m

$976

Washington, D.C.Ottawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

Wed 12/11

1:45 pm-6:31 pm

1 stop4h 46m

$157

Washington, D.C.Ottawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

Wed 12/11

5:15 pm-6:54 pm

Nonstop1h 39m

$184

Washington, D.C.Ottawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

Wed 12/11

5:15 pm-6:54 pm

Nonstop1h 39m

$220

Washington, D.C.Ottawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

Mon 1/27

12:27 pm-12:10 am

2 stops11h 43m

$257

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

Showing 1-10 of 11 results
1
2

Compare providers for flights from Dulles Intl 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 Dulles Intl to Ottawa in November.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust 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. Dulles Intl Airport-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. Dulles Intl Airport-Ottawa flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Ottawa flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-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. Dulles Intl Airport-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 Dulles Intl to Ottawa

Have a flexible travel schedule? Discover the best time to fly to Ottawa from Dulles Intl 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 Dulles Intl to Ottawa

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

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

Use this chart to determine the optimal time to book a round-trip flight from Dulles Intl to Ottawa. Price data was last updated on November 15, 2024.

The best time to book flights from Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport to Ottawa?

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Ottawa (average of $283). Flying from Washington, D.C. Dulles Intl Airport 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 IAD to YOW?

Find hourly flight availability from Dulles Intl 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.

When flying from Washington, D.C. Dulles Intl Airport to Ottawa, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 22% versus a flight in the afternoon.

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

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

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

Weekly flight availability from Washington, D.C. Dulles Intl Airport to Ottawa

Explore weekly flight availability from Dulles Intl 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 IAD to YOW are scheduled on a Monday (7 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (5 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.
Get a feel of what it's like to fly with United Airlines, Porter Airlines and Air Canada from Washington, D.C. to Ottawa by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
7.8
Good
288 reviews

Comfort

7.9

Crew

8.6

Boarding

8.1

Overall

7.8

Food

7.6

Entertainment

6.9

Reviews

1 / 10

We were given a complimentary seat upgrade which was so unexpected but so lovely!

Porter Airlines
7.8
Good
288 reviews
Porter Airlines
7.8
Good
288 reviews

Comfort

7.9

Crew

8.6

Boarding

8.1

Overall

7.8

Food

7.6

Entertainment

6.9

Reviews

1 / 10

We were given a complimentary seat upgrade which was so unexpected but so lovely!

United Airlines
7.4
Good
9,171 reviews
Porter Airlines
7.8
Good
288 reviews

Comfort

7.9

Crew

8.6

Boarding

8.1

Overall

7.8

Food

7.6

Entertainment

6.9

Reviews

1 / 10

We were given a complimentary seat upgrade which was so unexpected but so lovely!

WestJet
7.3
Good
2,811 reviews
Porter Airlines
7.8
Good
288 reviews

Comfort

7.9

Crew

8.6

Boarding

8.1

Overall

7.8

Food

7.6

Entertainment

6.9

Reviews

1 / 10

We were given a complimentary seat upgrade which was so unexpected but so lovely!

Air Canada
7.0
Good
8,237 reviews
Porter Airlines
7.8
Good
288 reviews

Comfort

7.9

Crew

8.6

Boarding

8.1

Overall

7.8

Food

7.6

Entertainment

6.9

Reviews

1 / 10

We were given a complimentary seat upgrade which was so unexpected but so lovely!

Lufthansa
6.8
Okay
7,148 reviews
Porter Airlines
7.8
Good
288 reviews

Comfort

7.9

Crew

8.6

Boarding

8.1

Overall

7.8

Food

7.6

Entertainment

6.9

Reviews

1 / 10

We were given a complimentary seat upgrade which was so unexpected but so lovely!

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl 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. Dulles Intl?

    Ottawa (YOW), located 6.6 mi from the city center, is the airport you fly into when you book flights from Washington, D.C. Dulles Intl to Ottawa. 4 airlines have flights to Ottawa from Washington, D.C. Dulles Intl on a regular basis. Booking flights from Washington, D.C. Dulles Intl to Ottawa should not be difficult; the airport handles an average of 6 inbound flights from Washington, D.C. Dulles Intl per day.

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

    Our cheapest airline available from Washington, D.C. Dulles Intl Airport to Ottawa is Lufthansa. Our recent data shows that you can find tickets from as low as $312 on this airline. Additional options worth looking into are Porter Airlines and Air Canada, starting at $325 and $458 round-trip. You may be able to fly from Washington, D.C. Dulles Intl Airport to Ottawa for 21% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport 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 reliable airlines from Washington, D.C. Dulles Intl Airport to Ottawa?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Washington, D.C. Dulles Intl Airport to Ottawa on time: GoJet (84%), Air Canada (84%), United Airlines (84%).

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

    The cheapest flight price from Washington, D.C. Dulles Intl Airport to Ottawa is $214. On average you can expect to pay $455. The most popular route, (Washington, D.C. Dulles Intl - Ottawa), can usually be booked for $312.

  • Can I find deals for flights from Dulles Intl to Ottawa that include hotel bookings?

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

  • How can I find direct flights from Dulles Intl to Ottawa?

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

  • Can I find deals for business class flights from Dulles Intl to Ottawa?

    Yes. Cheapflights offers flight deals from Dulles Intl 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. Dulles Intl Airport to Ottawa?

    Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Ottawa (average of $283). Flying from Washington, D.C. Dulles Intl Airport 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 Dulles Intl 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
Baltimore to Pearson Intl flights
Dulles Intl to Toronto Island flights
Baltimore to Pierre Elliott Trudeau Intl flights
Baltimore to Toronto Island flights
Reagan-National to Toronto Island flights
Reagan-National to Ottawa flights
Baltimore to Ottawa flights
Dulles Intl to Hamilton flights
Dulles Intl to London flights
Baltimore to London flights
Reagan-National to London flights
Dulles Intl to Sudbury flights
Reagan-National to Sault Ste Marie flights
Baltimore to Thunder Bay flights
Baltimore to Windsor flights
Reagan-National to Hamilton flights
Dulles Intl to Sault Ste Marie flights
Baltimore to Sault Ste Marie flights
Dulles Intl to Timmins flights
Dulles Intl to Thunder Bay flights
Reagan-National to Thunder Bay flights
Reagan-National to Windsor flights
Baltimore to North Bay flights
Dulles Intl to Kingston flights
Reagan-National to Kingston flights
Baltimore to Kingston flights

Top 4 airlines flying from Dulles Intl to Ottawa

Discover the top 4 airlines that operate flights from Dulles Intl 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$176Average$434FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$271Average$558FlexibilityNo 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