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 Porter Airlines. Our recent data shows that you can find tickets from as low as $219 on this airline. Additional options worth looking into are Air Canada and United Airlines, starting at $259 and $574 round-trip. You may be able to fly from Washington, D.C. Dulles Intl Airport to Ottawa for 44% 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?

$94 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 WestJet, with prices starting from $106 and $227, respectively.

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 $139. On average you can expect to pay $401. The most popular route, (Washington, D.C. Dulles Intl - Ottawa), can usually be booked for $219.

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: Air Canada (78%), GoJet (75%), United Airlines (75%).

What are the most popular airlines that fly from Washington, D.C. Dulles Intl Airport to Ottawa?

The most popular airlines flying from Washington, D.C. Dulles Intl Airport to Ottawa are Air Canada, Porter Airlines and Air Transat. Something to consider prior to booking your flight.

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

Travelers have found that booking a Wednesday departure is the best way to save up to 25% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

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

January is one of the best times of the year to fly to Ottawa from Washington, D.C. Dulles Intl Airport. Prices for January average $383 per person but you can even find prices for as low as $174. The most expensive prices can be found in the month of March. Opting for a January flight can save you 24% on your journey compared to booking in March

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.

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 7 inbound flights from Washington, D.C. Dulles Intl per day.

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.

$94+ Flights from Washington, D.C. Dulles Intl Airport to Ottawa

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Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Ottawa are usually found in March or April, booked 70 days in advance, depart on a Thursday or Friday and return on a Wednesday

Cheap flight deals from Dulles Intl to Ottawa

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$218 (Flightnetwork)
One-way from	$94 (Trip.com)
Popular in	July
Cheapest in	March
Average price	$310
Good round-trip deal	$338 or less
Good one-way deal	$240 or less

Provider with most accurate pricing for Washington, D.C. Dulles Intl-Ottawa flight deals.

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Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Ottawa flights.

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From Washington, D.C. Dulles Intl to Ottawa

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One-way flight from Washington, D.C. Dulles Intl to Ottawa

Search Deals

Highest demand for flights based on searches. 8% potential increase in price ($39 potential increase over avg. RT price).

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Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).

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Average for round-trip flights in April 2025

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Price to beat on a round-trip flight from Washington, D.C. Dulles Intl to Ottawa.

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Price to beat on a one-way flight from Washington, D.C. Dulles Intl to Ottawa.

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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 April 3, 2025.

Sat 5/34:20 pmIAD - YOW

1 stop3h 33mMultiple Airlines

Tue 5/62:35 pmYOW - IAD

1 stop6h 33mMultiple Airlines

Deal found 4/2

$218

Sun 5/44:20 pmIAD - YOW

1 stop4h 18mPorter Airlines

Wed 5/710:15 amYOW - IAD

1 stop4h 51mPorter Airlines

Deal found 4/1

$219

Sun 5/48:17 amIAD - YOW

Nonstop1h 41mAir Canada

Wed 5/77:29 pmYOW - IAD

Nonstop1h 44mAir Canada

Deal found 4/1

$259

Tue 6/1010:18 pmIAD - YOW

2 stops18h 25mUnited Airlines

Fri 6/136:10 pmYOW - IAD

2 stops12h 54mUnited Airlines

Deal found 4/2

$612

Best flights from Dulles Intl to Ottawa
Discover carefully curated flight deals from Dulles Intl to Ottawa that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 3, 2025.

Sat 5/34:20 pmIAD - YOW

1 stop3h 33mMultiple Airlines

Tue 5/62:35 pmYOW - IAD

1 stop6h 33mMultiple Airlines

Deal found 4/2

$218

Sun 5/44:20 pmIAD - YOW

1 stop4h 18mPorter Airlines

Wed 5/710:15 amYOW - IAD

1 stop4h 51mPorter Airlines

Deal found 4/1

$219

Sun 5/48:17 amIAD - YOW

Nonstop1h 41mAir Canada

Wed 5/77:29 pmYOW - IAD

Nonstop1h 44mAir Canada

Deal found 4/1

$259

Tue 6/1010:18 pmIAD - YOW

2 stops18h 25mUnited Airlines

Fri 6/136:10 pmYOW - IAD

2 stops12h 54mUnited Airlines

Deal found 4/2

$574

Last-minute flights from Dulles Intl to Ottawa
Discover last-minute flight deals from Dulles Intl to Ottawa. Data last updated April 3, 2025 and is based on user searches.

Fri 4/117:00 amIAD - YOW

1 stop4h 14mPorter Airlines

Mon 4/215:45 pmYOW - IAD

1 stop4h 39mPorter Airlines

Deal found 4/1

$332

Fri 4/118:25 amIAD - YOW

3 stops35h 47mMultiple Airlines

Mon 4/215:45 pmYOW - IAD

1 stop4h 39mMultiple Airlines

Deal found 4/1

$448

Fri 4/118:17 amIAD - YOW

Nonstop1h 41mAir Canada

Mon 4/219:50 amYOW - IAD

Nonstop1h 43mAir Canada

Deal found 4/1

$480

Fri 4/117:35 amIAD - YOW

2 stops13h 12mWestJet

Sun 4/135:55 amYOW - IAD

2 stops10h 23mWestJet

Deal found 4/1

$1,300

Fri 4/1112:11 pmIAD - YOW

2 stops11h 58mDelta

Sun 4/135:55 amYOW - IAD

2 stops10h 23mDelta

Deal found 4/1

$2,068

Sat 4/1212:45 pmIAD - YOW

2 stops9h 20mUnited Airlines

Mon 4/146:00 amYOW - IAD

1 stop5h 39mUnited Airlines

Deal found 4/2

$1,054

Sat 5/34:20 pmIAD - YOW

1 stop3h 33mMultiple Airlines

Tue 5/62:35 pmYOW - IAD

1 stop6h 33mMultiple Airlines

Deal found 4/2

$218

Sun 5/44:20 pmIAD - YOW

1 stop4h 18mPorter Airlines

Wed 5/710:15 amYOW - IAD

1 stop4h 51mPorter Airlines

Deal found 4/1

$219

Sun 5/48:17 amIAD - YOW

Nonstop1h 41mAir Canada

Wed 5/77:29 pmYOW - IAD

Nonstop1h 44mAir Canada

Deal found 4/1

$259

Thu 5/810:09 amIAD - YOW

2 stops14h 13mWestJet

Fri 5/166:00 amYOW - IAD

1 stop11h 54mWestJet

Deal found 3/31

$822

Tue 5/2010:19 pmIAD - YOW

2 stops18h 24mUnited Airlines

Mon 6/305:50 pmYOW - IAD

2 stops13h 14mUnited Airlines

Deal found 3/31

$613

One-way flights from Dulles Intl to Ottawa
Search for one-way flight options from Dulles Intl to Ottawa. Find affordable one-way fares based on user searches. Data last updated April 3, 2025.

Mon 5/511:35 amIAD - YOW

1 stop4h 58mPorter Airlines

Deal found 4/1

$94

Sun 6/228:18 amIAD - YOW

Nonstop1h 40mAir Canada

Deal found 4/2

$106

Mon 5/266:00 amIAD - YOW

2 stops18h 22mWestJet

Deal found 4/2

$227

Mon 5/265:40 pmIAD - YOW

3 stops23h 35mMultiple Airlines

Deal found 4/2

$237

Mon 5/1210:19 pmIAD - YOW

2 stops18h 24mUnited Airlines

Deal found 4/2

$272

Sun 4/279:35 amIAD - YOW

2 stops14h 47mDelta

Deal found 4/2

$553

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Ottawa that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Ottawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

Sat 5/3

4:20 pm-7:53 pm

1 stop3h 33m

Ottawa

Tue 5/6

2:35 pm-9:08 pm

1 stop6h 33m

$218

Washington, D.C.Ottawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

Sun 5/4

4:20 pm-8:38 pm

1 stop4h 18m

Ottawa

Wed 5/7

10:15 am-3:06 pm

1 stop4h 51m

$219

Washington, D.C.Ottawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

Sun 5/4

8:17 am-9:58 am

Nonstop1h 41m

Ottawa

Wed 5/7

7:29 pm-9:13 pm

Nonstop1h 44m

$259

Washington, D.C.Ottawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

Tue 6/10

10:18 pm-4:43 pm

2 stops18h 25m

Ottawa

Fri 6/13

6:10 pm-7:04 am

2 stops12h 54m

$612

Washington, D.C.Ottawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

Mon 5/5

11:35 am-4:33 pm

1 stop4h 58m

$94

Washington, D.C.Ottawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

Wed 5/14

8:17 am-9:58 am

Nonstop1h 41m

$100

Washington, D.C.Ottawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

Mon 4/21

7:00 am-12:09 am

1 stop17h 09m

$138

Washington, D.C.Ottawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

Wed 5/14

9:40 am-12:22 am

2 stops14h 42m

$224

Washington, D.C.Ottawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

Tue 5/20

10:14 pm-11:53 pm

Nonstop1h 39m

$285

Washington, D.C.Ottawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

Sun 4/27

9:35 am-12:22 am

2 stops14h 47m

$553

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/1

Compare providers for flights from Dulles Intl to Ottawa

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 April.

Provider	Price Accuracy	Trust Score*
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Expedia	Price Accuracy1 star	Trust 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.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to Ottawa

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

The best time to book flights from Washington, D.C. Dulles Intl Airport to Ottawa is 67 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 $294). Flying from Washington, D.C. Dulles Intl Airport to Ottawa in May 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?

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 47% versus a flight in the afternoon.

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

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. Monday evenings 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

The most flights from IAD to YOW are scheduled on a Monday (7 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (7 on average).

Rainfall in Ottawa 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

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 a feel of what it's like to fly with Delta, Porter Airlines and United Airlines 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.

Delta

8.0

Very good

7,897 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

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

Delta

8.0

Very good

7,897 reviews

Delta

8.0

Very good

7,897 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

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

Porter Airlines

7.9

Good

279 reviews

Delta

8.0

Very good

7,897 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

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

United Airlines

7.4

Good

8,616 reviews

Delta

8.0

Very good

7,897 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

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

WestJet

7.2

Good

2,795 reviews

Delta

8.0

Very good

7,897 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

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

Air Canada

7.0

Good

9,028 reviews

Delta

8.0

Very good

7,897 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

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

Related info for your journey

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 7 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 Porter Airlines. Our recent data shows that you can find tickets from as low as $219 on this airline. Additional options worth looking into are Air Canada and United Airlines, starting at $259 and $574 round-trip. You may be able to fly from Washington, D.C. Dulles Intl Airport to Ottawa for 44% 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?
$94 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 WestJet, with prices starting from $106 and $227, 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: Air Canada (78%), GoJet (75%), United Airlines (75%).
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 $139. On average you can expect to pay $401. The most popular route, (Washington, D.C. Dulles Intl - Ottawa), can usually be booked for $219.
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 $294). Flying from Washington, D.C. Dulles Intl Airport to Ottawa in May 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

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Alternative routes for Dulles Intl to Ottawa

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Reagan-National to Kingston flights

Baltimore to Kingston flights

Baltimore to Sault Ste Marie flights

Complete your trip

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Other flights to Ottawa

Top 4 airlines flying from Dulles Intl to Ottawa

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	Cheapest$176	Average$440	FlexibilityNo cancel fee	On-time67%
Porter Airlines	Cheapest$188	Average$382	FlexibilityNo cancel fee	On-time52%
United Airlines	Cheapest$273	Average$561	FlexibilityNo cancel fee	On-time69%
Air Transat	Cheapest$347	Average$348	FlexibilityNo cancel fee	On-time50%

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$94+ 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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Dulles Intl to Ottawa with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Ottawa are usually found in March or April, booked 70 days in advance, depart on a Thursday or Friday and return on a Wednesday

Cheap flight deals from Dulles Intl to Ottawa

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Dulles Intl to Ottawa

Cheapest flights from Dulles Intl to OttawaExplore 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 April 3, 2025.

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 April 3, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Ottawa that are best for you.

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 April.

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.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to Ottawa

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 March 28, 2025.

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

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 April 3, 2025.

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 March 30, 2025.

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 April 3, 2025.

Rainfall in Ottawa by month

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

Temperature in Ottawa by month

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

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 April 3, 2025.

Get a feel of what it's like to fly with Delta, Porter Airlines and United Airlines 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.

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?

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

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

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

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

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

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

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

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

Traveling to a place near Washington, D.C. Dulles Intl Airport?

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Alternative routes for Dulles Intl to Ottawa

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Top 4 airlines flying from Dulles Intl to Ottawa

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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 April 3, 2025.