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Dulles Intl

$134+ Cheap flights from Ottawa (YOW) to Dulles Intl (IAD)

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 1/15. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — IAD
dic. 23 — dic. 301
lun. 12/23
lun. 12/30
1 adult, Economy
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The best prices from Ottawa to Washington, D.C. Dulles Intl are usually found in June or January, booked 29 days in advance, depart on a Wednesday or Saturday and return on a Thursday

Cheap flight deals from Ottawa to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Ottawa (YOW) to Dulles Intl (IAD). 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 diciembre 18, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$246
(Air Canada)

One-way from

$134
(oojo)

Popular in

February

Cheapest in

June

Average price

$422
Provider with most accurate pricing for Ottawa-Washington, D.C. Dulles Intl flight deals.
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Provider most trusted by Cheapflights users for Ottawa-Washington, D.C. Dulles Intl flights.
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From Ottawa to Washington, D.C. Dulles Intl
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One-way flight from Ottawa to Washington, D.C. Dulles Intl
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High demand for flights, 1% potential price rise
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Best time to find cheap flights, 1% potential price drop
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Average for round-trip flights in December 2024
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Find flight deals from Ottawa to Dulles Intl

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

This Trip.com deal was found by Cheapflights users on 12/16. 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.
lun. 12/305:45 pmYOW - IAD
1 stop4h 39mPorter Airlines
mar. 12/311:45 pmIAD - YOW
1 stop3h 21mPorter Airlines
Deal found 12/16$336
This Air Canada deal was found by Cheapflights users on 12/17. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/289:45 amYOW - IAD
Nonstop1h 53mAir Canada
lun. 1/1310:35 amIAD - YOW
1 stop4h 37mAir Canada
Deal found 12/17$417
This United Airlines deal was found by Cheapflights users on 12/16. 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.
lun. 12/232:05 pmYOW - IAD
Nonstop1h 53mUnited Airlines
lun. 12/305:37 pmIAD - YOW
1 stop4h 24mUnited Airlines
Deal found 12/16$503
This Mytrip deal was found by Cheapflights users on 12/17. 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.
vie. 12/277:00 amYOW - IAD
1 stop5h 59mMultiple Airlines
dom. 1/59:35 pmIAD - YOW
2 stops25h 34mMultiple Airlines
Deal found 12/17$555
This WestJet deal was found by Cheapflights users on 12/16. 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.
lun. 12/239:35 pmYOW - IAD
2 stops26h 23mWestJet
lun. 12/306:00 amIAD - YOW
2 stops18h 10mWestJet
Deal found 12/16$981

Find flights from Ottawa to Dulles Intl within your budget

Customize your flight search to find flights from Ottawa to Dulles Intl 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 2,558,603 searches. Data last updated diciembre 18, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

sáb. 1/18

8:25 am-1:51 pm

1 stop5h 26m

Washington, D.C. Dulles Intl

sáb. 1/25

5:08 pm-6:54 pm

Nonstop1h 46m

$246

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

lun. 3/3

9:40 am-12:59 pm

1 stop3h 19m

Washington, D.C. Dulles Intl

lun. 3/10

7:00 am-11:14 am

1 stop4h 14m

$248

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

mar. 1/14

6:00 am-11:41 am

1 stop5h 41m

Washington, D.C. Dulles Intl

mar. 1/14

10:24 pm-4:16 pm

2 stops17h 52m

$268

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

dom. 3/2

7:30 pm-9:23 pm

Nonstop1h 53m

Washington, D.C. Dulles Intl

dom. 3/9

8:17 am-8:16 pm

1 stop11h 59m

$351

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

mar. 1/28

5:55 am-3:53 pm

2 stops9h 58m

Washington, D.C. Dulles Intl

jue. 1/30

12:31 pm-12:10 am

2 stops11h 39m

$855

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

lun. 3/10

5:55 am-3:39 pm

2 stops9h 44m

Washington, D.C. Dulles Intl

sáb. 3/15

6:05 am-12:09 am

2 stops18h 04m

$883

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

mié. 1/15

8:40 am-12:49 pm

1 stop4h 09m

$134

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

mié. 1/8

2:05 pm-3:58 pm

Nonstop1h 53m

$143

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

sáb. 1/11

4:00 pm-8:14 am

2 stops16h 14m

$182

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

jue. 1/9

5:15 am-11:41 am

1 stop6h 26m

$224

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 12 results
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Compare providers for flights from Ottawa to Dulles Intl

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 Ottawa to Dulles Intl in December.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice 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 Ottawa-Washington, D.C. Dulles Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ottawa-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ottawa-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ottawa-Washington, D.C. Dulles Intl Airport 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 Ottawa-Washington, D.C. Dulles Intl Airport 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 Ottawa to Dulles Intl

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

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

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

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

The price you pay for your flight from Ottawa to Washington, D.C. Dulles Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 29 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, November is the cheapest month in which you can book a flight from Ottawa to Washington, D.C. Dulles Intl Airport (average of $299). Flying from Ottawa to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $377). 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 YOW to IAD?

Find hourly flight availability from Ottawa to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated diciembre 18, 2024.

One of the essential ways to save on airfare from Ottawa to Washington, D.C. Dulles Intl Airport is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the morning could potentially save you up to 5% on airfare.

Rainfall in Dulles Intl by month

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

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

Temperature in Dulles Intl by month

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

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, 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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. 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 Dulles Intl. Reviews last updated diciembre 18, 2024.
Read reviews from past customers who have flown Air Canada, United Airlines and Porter Airlines from Ottawa to Washington, D.C.. 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

Entertainment

7.9

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.6

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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

Entertainment

7.9

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.6

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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

Entertainment

7.9

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.6

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines
7.4
Good
9,055 reviews
Delta
8.0
Very good
8,604 reviews

Entertainment

7.9

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.6

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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

Entertainment

7.9

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.6

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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

Entertainment

7.9

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.6

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Ottawa to Dulles Intl. 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 from for flights from Ottawa to Washington, D.C. Dulles Intl?

    Ottawa (YOW), located 6.6 mi from the city center, is the airport you fly out of when you book flights from Ottawa to Washington, D.C. Dulles Intl. 3 airlines have flights from Ottawa to Washington, D.C. Dulles Intl on a regular basis. Booking flights from Ottawa to Washington, D.C. Dulles Intl should not be difficult; the airport handles an average of 2 outbound flights to Washington, D.C. Dulles Intl per day.

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

    Air Canada, at $246, was found to be the cheapest airline from Ottawa to Washington, D.C. Dulles Intl Airport.Alternate airlines to your destination round-trip include Porter Airlines and United Airlines. These flights start at 33% lower than the current average price 3 months from now.

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

    The cheapest airlines for a one-way flight from Ottawa to Washington, D.C. Dulles Intl Airport are Porter Airlines ($134), Air Canada ($143), and United Airlines ($224).

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

    Consider Avianca (100%), GoJet (77%) or Air Canada (77%) when booking your flight. These represent the most reliable airlines when flying from Ottawa to Washington, D.C. Dulles Intl Airport.

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

    On average you can expect to pay $770 for a flight from Ottawa to Washington, D.C. Dulles Intl Airport. The cheapest flight overall is $161 while the most popular route, (Ottawa - Washington, D.C. Dulles Intl) is currently priced at $219.

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from Ottawa to Washington, D.C. Dulles Intl Airport (average of $299). Flying from Ottawa to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $377). 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.

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Top 3 airlines flying from Ottawa to Dulles Intl

Discover the top 3 airlines that operate flights from Ottawa to Dulles Intl. 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 2,558,603 searches. Data last updated diciembre 18, 2024.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$240Average$467FlexibilityNo cancel feeOn-time69%
Porter AirlinesCheapest$262Average$379FlexibilityNo cancel feeOn-time52%
Air CanadaCheapest$277Average$385FlexibilityNo cancel feeOn-time67%
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