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Cheap flights from Ottawa to Washington, D.C. Dulles Intl Airport from C$ 194

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 17/1. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — IAD
24 Dec — 31 Dec1
1 adult

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 Saturday or Monday and return on a Friday

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 19 December 2024.

Round-trip from

C$ 353

One-way from

C$ 194

Popular in

February

Cheapest in

June

Average price

C$ 605
Air Canada
  • Air Canada
  • 17/1-21/1
  • 1 total stop
  • 7h 32m total
  • Ottawa to Washington, D.C.
Porter Airlines
  • Porter Airlines
  • 17/1
  • 1 total stop
  • 3h 19m total
  • Ottawa to Washington, D.C.
High demand for flights, 1% potential price rise
Best time to find cheap flights, 1% potential price drop
Average for round-trip flights in December 2024

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 19 December 2024.

Sat 28/129:40 a.m.YOW - IAD
1 stop3h 19mPorter Airlines
Mon 13/12:10 p.m.IAD - YOW
1 stop6h 24mPorter Airlines
Deal found 18/12C$ 508
Mon 30/122:05 p.m.YOW - IAD
Nonstop1h 53mAir Canada
Wed 8/112:49 p.m.IAD - YOW
Nonstop1h 40mAir Canada
Deal found 18/12C$ 525
Tue 31/129:45 a.m.YOW - IAD
Nonstop1h 53mUnited Airlines
Tue 31/125:37 p.m.IAD - YOW
1 stop4h 24mUnited Airlines
Deal found 18/12C$ 634
Fri 27/125:45 p.m.YOW - IAD
1 stop4h 39mMultiple Airlines
Tue 31/128:05 a.m.IAD - YOW
1 stop9h 04mMultiple Airlines
Deal found 18/12C$ 786
Fri 20/126:15 a.m.YOW - IAD
2 stops17h 04mWestJet
Thu 2/16:00 a.m.IAD - YOW
2 stops18h 10mWestJet
Deal found 18/12C$ 1,420

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 629,999 searches. Data last updated 19 December 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Fri 17/1

9:45 a.m.-11:38 a.m.

Nonstop1h 53m

Washington, D.C. Dulles Intl

Tue 21/1

12:38 p.m.-6:17 p.m.

1 stop5h 39m

C$ 353

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Tue 14/1

6:00 a.m.-11:41 a.m.

1 stop5h 41m

Washington, D.C. Dulles Intl

Tue 14/1

10:24 p.m.-4:16 p.m.

2 stops17h 52m

C$ 383

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Thu 2/1

8:35 a.m.-12:59 p.m.

1 stop4h 24m

Washington, D.C. Dulles Intl

Fri 10/1

2:10 p.m.-6:34 p.m.

1 stop4h 24m

C$ 442

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Wed 15/1

9:15 p.m.-11:51 a.m.

2 stops14h 36m

Washington, D.C. Dulles Intl

Wed 22/1

2:10 p.m.-6:34 p.m.

1 stop4h 24m

C$ 602

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Tue 28/1

5:55 a.m.-3:53 p.m.

2 stops9h 58m

Washington, D.C. Dulles Intl

Fri 31/1

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

2 stops11h 39m

C$ 1,226

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Fri 17/1

5:55 a.m.-3:53 p.m.

2 stops9h 58m

Washington, D.C. Dulles Intl

Tue 21/1

6:00 a.m.-12:10 a.m.

2 stops18h 10m

C$ 1,302

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Fri 17/1

9:30 a.m.-12:49 p.m.

1 stop3h 19m

C$ 194

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Wed 26/3

9:45 a.m.-11:38 a.m.

Nonstop1h 53m

C$ 240

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Wed 15/1

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

Nonstop1h 53m

C$ 316

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Mon 30/12

9:20 a.m.-4:10 p.m.

3 stops30h 50m

C$ 546

Flights are sorted by cheapest round-trip flights first.

Deals found on 18/12

Showing 1-10 of 11 results
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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 13 December 2024.

The best time to book flights from Ottawa to Washington, D.C. Dulles Intl Airport is 29 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 Ottawa to Washington, D.C. Dulles Intl Airport?

Currently, February is the cheapest month in which you can book a flight from Ottawa to Washington, D.C. Dulles Intl Airport (average of C$ 256). Flying from Ottawa to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of C$ 347). 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 19 December 2024.

A simple way to save on the total cost of your ticket is to fly from Ottawa to Washington, D.C. Dulles Intl Airport in the afternoon. If you’re flexible enough to do this you can expect to save up to 25% on your trip compared to booking a flight at noon.

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

Explore weekly flight availability from Ottawa to Dulles Intl. 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 19 December 2024.

The most flights from YOW to IAD are scheduled on a Monday (4 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (4 on average).

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 66.0 - 102.0 mm per month. May is typically the wettest month, when rainfall can reach 102.0 mm. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 66.0 mm.

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 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 2.0 C).

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 19 December 2024.
Read reviews from past customers who have flown Air Canada, Porter Airlines and WestJet 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.
8.0
Very good
8,600 reviews

Comfort

8.0

Food

7.3

Crew

8.6

Boarding

8.2

Overall

8.0

Entertainment

7.9

Reviews

1 / 10

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

8.0
Very good
8,600 reviews
8.0
Very good
8,600 reviews

Comfort

8.0

Food

7.3

Crew

8.6

Boarding

8.2

Overall

8.0

Entertainment

7.9

Reviews

1 / 10

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

7.9
Good
283 reviews
8.0
Very good
8,600 reviews

Comfort

8.0

Food

7.3

Crew

8.6

Boarding

8.2

Overall

8.0

Entertainment

7.9

Reviews

1 / 10

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

7.4
Good
9,048 reviews
8.0
Very good
8,600 reviews

Comfort

8.0

Food

7.3

Crew

8.6

Boarding

8.2

Overall

8.0

Entertainment

7.9

Reviews

1 / 10

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

7.3
Good
2,819 reviews
8.0
Very good
8,600 reviews

Comfort

8.0

Food

7.3

Crew

8.6

Boarding

8.2

Overall

8.0

Entertainment

7.9

Reviews

1 / 10

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

7.0
Good
8,391 reviews
8.0
Very good
8,600 reviews

Comfort

8.0

Food

7.3

Crew

8.6

Boarding

8.2

Overall

8.0

Entertainment

7.9

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) is the airport you will fly out of if you book a flight from Ottawa to Washington, D.C. Dulles Intl. You should not have trouble finding flights to Washington, D.C. Dulles Intl from Ottawa; the airport handles an average of 4 outbound flights to Washington, D.C. Dulles Intl per day. You should also have plenty of airline options to choose from since 3 airlines have flights from the Ottawa airport to Washington, D.C. Dulles Intl. It is only a 10.6 km journey to Ottawa (YOW) from Ottawa’s city centre.

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

    According to our current data, Air Canada (C$ 353), United Airlines (C$ 383), and Porter Airlines (C$ 442) offers the cheapest pricing from Ottawa to Washington, D.C. Dulles Intl Airport. 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?

    One-way options have recently been found by users for as low as C$ 194 on Porter Airlines. Other airlines that offer cheap prices include Air Canada from C$ 240 and United Airlines from C$ 316 one-way.

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

    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 Ottawa to Washington, D.C. Dulles Intl Airport on time: Avianca (100%), GoJet (77%), Air Canada (77%).

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

    Looking at all options, your cheapest flight can be booked for C$ 282. While the most popular route (Ottawa - Washington, D.C. Dulles Intl) can be booked for C$ 304 on average our data indicates C$ 1,445 when flying from Ottawa to Washington, D.C. Dulles Intl Airport.

  • 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, February is the cheapest month in which you can book a flight from Ottawa to Washington, D.C. Dulles Intl Airport (average of C$ 256). Flying from Ottawa to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of C$ 347). 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 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 629,999 searches. Data last updated 19 December 2024.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 258AverageC$ 554FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Porter AirlinesCheapestC$ 367AverageC$ 451FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air CanadaCheapestC$ 411AverageC$ 583FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

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How does Cheapflights help users find flights from Ottawa to Dulles Intl?

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

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

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Yes! Start tracking prices for Ottawa to Dulles Intl flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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