How many flights depart from Ottawa to Washington, D.C. Dulles Intl Airport on average per day?

As of June 2026, 8 flights take off from Ottawa and land in Washington, D.C. Dulles Intl Airport each day. The most common flight departure time for this route is 6:00a.m., with 50% of daily flights taking off at noon.

How many flights depart from Ottawa to Washington, D.C. Dulles Intl Airport on average per week?

The number of flights available between Ottawa and Washington, D.C. Dulles Intl Airport is 56 per week as of June 2026. The most frequent departure day is Mon, with 14% of weekly flights leaving on this day.

What is the cheapest airline that flies from Ottawa to Washington, D.C. Dulles Intl?

Porter Airlines, United Airlines, and Air Canada are the most popular carriers operating from Ottawa to Washington, D.C. Dulles Intl

Which airlines fly to Washington, D.C. Dulles Intl Airport?

Air Canada, Porter Airlines and United Airlines are the top three most popular airlines that fly to Washington, D.C. Dulles Intl Airport from Ottawa according to our data. Air Canada is the first choice among our users, with 43% of people opting to fly with this airline when travelling to Washington, D.C. Dulles Intl Airport. Keep in mind that there are 3 different airlines that fly to Washington, D.C. Dulles Intl Airport on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Ottawa Airport to Washington, D.C. Dulles Intl Airport?

Prices for flights from Ottawa Airport to Washington, D.C. Dulles Intl Airport refresh daily.

How many operators does momondo search for flights from Ottawa Airport to Washington, D.C. Dulles Intl Airport?

As of June 2026, there are 3 operators available to choose from for flights from Ottawa Airport to Washington, D.C. Dulles Intl Airport.

How old do you have to be to fly from Ottawa Airport to Washington, D.C. Dulles Intl Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ottawa Airport to Washington, D.C. Dulles Intl Airport.

What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

The travel and health documents you'll need for your trip to Washington, D.C. Dulles Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington, D.C. Dulles Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

C$ 246 Cheap Flights from Ottawa to Washington, D.C. Dulles Intl Airport in 2026

Q: What is the typical price of a round-trip flight between Ottawa and Washington, D.C. Dulles Intl Airport?

Prices are currently low for flights on this route. Typical prices usually range from C$ 716 to C$ 548. The lowest price recently found on this route was C$ 487.

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Ottawa to Washington, D.C.

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

9:00 a.m. - 3:24 p.m.

YOW

IAD

6h 24m

1 stop

5:15 p.m. - 9:52 p.m.

IAD

YOW

4h 37m

1 stop

C$ 487Air Canada

Mon, 13 Jul - Fri, 17 Jul

2:52 p.m. - 4:35 p.m.

YOW

IAD

1h 43mdirect

5:15 p.m. - 9:52 p.m.

IAD

YOW

4h 37m

1 stop

C$ 508Multiple Airlines

Fri, 17 Jul - Mon, 20 Jul

6:00 a.m. - 7:44 a.m.

YOW

IAD

1h 44mdirect

5:06 p.m. - 6:48 p.m.

IAD

YOW

1h 42mdirect

C$ 522Multiple Airlines

Tue, 30 Jun - Fri, 3 Jul

6:00 a.m. - 7:44 a.m.

YOW

IAD

1h 44mdirect

5:15 p.m. - 9:52 p.m.

IAD

YOW

4h 37m

1 stop

C$ 524Multiple Airlines

Fri, 31 Jul - Mon, 3 Aug

7:30 p.m. - 9:13 p.m.

YOW

IAD

1h 43mdirect

8:18 a.m. - 10:03 a.m.

IAD

YOW

1h 45mdirect

C$ 534United Airlines

Fri, 10 Jul - Fri, 17 Jul

6:00 a.m. - 7:43 a.m.

YOW

IAD

1h 43mdirect

8:15 a.m. - 9:56 a.m.

IAD

YOW

1h 41mdirect

C$ 536Air Canada

Wed, 2 Sep - Sun, 6 Sep

10:40 a.m. - 3:11 p.m.

YOW

IAD

4h 31m

1 stop

5:29 p.m. - 5:35 p.m.

IAD

YOW

24h 06m

2 stops

C$ 537Multiple Airlines

Sat, 11 Jul - Sat, 18 Jul

10:40 a.m. - 3:11 p.m.

YOW

IAD

4h 31m

1 stop

6:09 p.m. - 8:05 p.m.

IAD

YOW

25h 56m

2 stops

C$ 538Multiple Airlines

Fri, 17 Jul - Mon, 20 Jul

12:15 p.m. - 4:38 p.m.

YOW

IAD

4h 23m

1 stop

5:15 p.m. - 9:52 p.m.

IAD

YOW

4h 37m

1 stop

C$ 540Air Canada

Sun, 2 Aug - Sun, 23 Aug

5:50 p.m. - 11:19 p.m.

YOW

IAD

5h 29m

1 stop

4:20 p.m. - 9:15 p.m.

IAD

YOW

4h 55m

1 stop

C$ 541United Airlines

Mon, 13 Jul - Sat, 18 Jul

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Air Canada flights from Ottawa to Washington, D.C. Dulles Intl Airport

Our best Air Canada deals on Ottawa to Washington, D.C. Dulles Intl Airport flight tickets

Air Canada

13 Jul

YOW9:00 a.m.Ottawa

6h 24m

1 stop

IAD3:24 p.m.Washington, D.C. Dulles Intl

17 Jul

IAD5:15 p.m.Washington, D.C. Dulles Intl

4h 37m

1 stop

YOW9:52 p.m.Ottawa

C$ 487

Air Canada

2 Sep

YOW6:00 a.m.Ottawa

1h 43m

IAD7:43 a.m.Washington, D.C. Dulles Intl

6 Sep

IAD8:15 a.m.Washington, D.C. Dulles Intl

1h 41m

YOW9:56 a.m.Ottawa

C$ 536

Air Canada

2 Aug

YOW12:15 p.m.Ottawa

4h 23m

1 stop

IAD4:38 p.m.Washington, D.C. Dulles Intl

23 Aug

IAD5:15 p.m.Washington, D.C. Dulles Intl

4h 37m

1 stop

YOW9:52 p.m.Ottawa

C$ 540

United Airlines flights from Ottawa to Washington, D.C. Dulles Intl Airport

Our best United Airlines deals on Ottawa to Washington, D.C. Dulles Intl Airport flight tickets

United Airlines

10 Jul

YOW7:30 p.m.Ottawa

1h 43m

IAD9:13 p.m.Washington, D.C. Dulles Intl

17 Jul

IAD8:18 a.m.Washington, D.C. Dulles Intl

1h 45m

YOW10:03 a.m.Ottawa

C$ 534

United Airlines

13 Jul

YOW5:50 p.m.Ottawa

5h 29m

1 stop

IAD11:19 p.m.Washington, D.C. Dulles Intl

18 Jul

IAD4:20 p.m.Washington, D.C. Dulles Intl

4h 55m

1 stop

YOW9:15 p.m.Ottawa

C$ 541

United Airlines

2 Aug

YOW3:10 p.m.Ottawa

8h 09m

1 stop

IAD11:19 p.m.Washington, D.C. Dulles Intl

20 Aug

IAD10:10 p.m.Washington, D.C. Dulles Intl

1h 44m

YOW11:54 p.m.Ottawa

C$ 543

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Mon 13/7

9:00 a.m.-3:24 p.m.

1 stop6h 24m

Washington, D.C. Dulles Intl

Fri 17/7

5:15 p.m.-9:52 p.m.

1 stop4h 37m

C$ 487

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Fri 17/7

2:52 p.m.-4:35 p.m.

Nonstop1h 43m

Washington, D.C. Dulles Intl

Mon 20/7

5:15 p.m.-9:52 p.m.

1 stop4h 37m

C$ 508

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Tue 30/6

6:00 a.m.-7:44 a.m.

Nonstop1h 44m

Washington, D.C. Dulles Intl

Fri 3/7

5:06 p.m.-6:48 p.m.

Nonstop1h 42m

C$ 522

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Fri 31/7

6:00 a.m.-7:44 a.m.

Nonstop1h 44m

Washington, D.C. Dulles Intl

Mon 3/8

5:15 p.m.-9:52 p.m.

1 stop4h 37m

C$ 524

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Fri 10/7

7:30 p.m.-9:13 p.m.

Nonstop1h 43m

Washington, D.C. Dulles Intl

Fri 17/7

8:18 a.m.-10:03 a.m.

Nonstop1h 45m

C$ 534

Quickest round-trip

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Wed 2/9

6:00 a.m.-7:43 a.m.

Nonstop1h 43m

Washington, D.C. Dulles Intl

Sun 6/9

8:15 a.m.-9:56 a.m.

Nonstop1h 41m

C$ 536

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Sat 11/7

10:40 a.m.-3:11 p.m.

1 stop4h 31m

Washington, D.C. Dulles Intl

Sat 18/7

5:29 p.m.-5:35 p.m.

2 stops24h 06m

C$ 537

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Fri 17/7

10:40 a.m.-3:11 p.m.

1 stop4h 31m

Washington, D.C. Dulles Intl

Mon 20/7

6:09 p.m.-8:05 p.m.

2 stops25h 56m

C$ 538

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Sun 2/8

12:15 p.m.-4:38 p.m.

1 stop4h 23m

Washington, D.C. Dulles Intl

Sun 23/8

5:15 p.m.-9:52 p.m.

1 stop4h 37m

C$ 540

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Mon 13/7

5:50 p.m.-11:19 p.m.

1 stop5h 29m

Washington, D.C. Dulles Intl

Sat 18/7

4:20 p.m.-9:15 p.m.

1 stop4h 55m

C$ 541

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Ottawa to Washington, D.C. Dulles Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the typical price of a round-trip flight between Ottawa and Washington, D.C. Dulles Intl Airport?

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

The cheapest month to fly to Washington, D.C. Dulles Intl Airport from Ottawa is in January. Flight prices, which tend to average around C$ 428, are often lower during this time because this is during the off-season. If you don’t want to visit Washington, D.C. Dulles Intl Airport in January, then you should wait until April to fly from Ottawa, when ticket prices are also cheap, with an average price of C$ 467.

What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?

According to our data, Saturday is the cheapest day to fly to Washington, D.C. Dulles Intl Airport from Ottawa. The lowest ticket price found for a Saturday departure recently was C$ 794. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Washington, D.C. Dulles Intl Airport on Sunday is C$ 935.

What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Our most recent data shows that the best time of day to fly to Washington, D.C. Dulles Intl Airport is in the morning. Flights from Ottawa to Washington, D.C. Dulles Intl Airport during this time can be as low as C$ 790. At noon is when there is more demand to fly to Washington, D.C. Dulles Intl Airport, so prices are often more expensive at around C$ 1,113 per ticket.

What is the cheapest Ottawa to Washington, D.C. Dulles Intl flight route?

Fly from Ottawa to Washington, D.C. Dulles Intl for the best Ottawa - Washington, D.C. Dulles Intl flight prices

What cabin class options are available on Ottawa to Washington, D.C. Dulles Intl Airport flights?

There are 4 cabin classes available to choose from on Ottawa to Washington, D.C. Dulles Intl Airport flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Ottawa to Washington, D.C. Dulles Intl Airport flights?

You could potentially save up to 30% on your flight if you consider stops on a Ottawa to Washington, D.C. Dulles Intl Airport flight.

How have Ottawa to Washington, D.C. Dulles Intl Airport flight prices changed over time?

As of June 2026, prices for Ottawa to Washington, D.C. Dulles Intl Airport flights are approximately 44% more expensive when compared to flights at the same time last year.

When to book flights from Ottawa to Washington, D.C. Dulles Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Ottawa to Washington, D.C. Dulles Intl Airport according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Ottawa to Washington, D.C. Dulles Intl Airport (YOW to IAD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ottawa to Washington, D.C. Dulles Intl Airport

Best price found	C$ 366
Fastest flight time	1h 35m
Direct flights	Every day

The best one-way flight to Washington, D.C. Dulles Intl Airport from Ottawa in the past 72 hours is C$ 366. The best round-trip flight deal from Ottawa to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is C$ 633.

The fastest flight from Ottawa to Washington, D.C. Dulles Intl Airport takes 1h 35m

Direct flights go from Ottawa to Washington, D.C. Dulles Intl Airport every day.

Search flight deals

Frequently asked questions about flying from Ottawa to Washington, D.C. Dulles Intl Airport

How far is Ottawa to Washington, D.C. Dulles Intl by plane?
Washington, D.C. Dulles Intl is 732.9 km away from Ottawa. 1h 35m is a normal flight duration for this route.
When did momondo last update prices for flights from Ottawa Airport to Washington, D.C. Dulles Intl Airport?
Prices for flights from Ottawa Airport to Washington, D.C. Dulles Intl Airport refresh daily.
How many operators does momondo search for flights from Ottawa Airport to Washington, D.C. Dulles Intl Airport?
As of June 2026, there are 3 operators available to choose from for flights from Ottawa Airport to Washington, D.C. Dulles Intl Airport.
How old do you have to be to fly from Ottawa Airport to Washington, D.C. Dulles Intl Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ottawa Airport to Washington, D.C. Dulles Intl Airport.
What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?
The travel and health documents you'll need for your trip to Washington, D.C. Dulles Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington, D.C. Dulles Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Ottawa to Washington, D.C. Dulles Intl Airport?
momondo data reveals that the most frequently booked plane model on the route from Ottawa to Washington, D.C. Dulles Intl Airport is Embraer 175 (Enhanced Winglets), representing 30.93% of all bookings. The subsequent popular models are Canadair (Bombardier) Regional Jet CRJ-550 at 29.07%, Embraer 195 E2 at 9.30%, and Canadair (Bombardier) Regional Jet 900 at 6.28%.
What is the most popular airline from Ottawa to Washington, D.C. Dulles Intl Airport?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Ottawa to Washington, D.C. Dulles Intl Airport is Air Canada (39% of total bookings). The next most popular airlines are Porter Airlines (35%) and United Airlines (26%).

Best airlines flying from Ottawa to Washington, D.C. Dulles Intl Airport

Compare and see reviews for airlines that fly from Ottawa to Washington, D.C. Dulles Intl Airport with momondo

Airline	Rating	Free Cancellation	Price
Porter Airlines	PriceFrom C$ 336	Free Cancellation	Rating 8.0 438 reviews	Search Porter Airlines flights
United Airlines	PriceFrom C$ 363	Free Cancellation	Rating 7.4 9,820 reviews	Search United Airlines flights
Air Canada	PriceFrom C$ 492	Free Cancellation	Rating 7.1 11,180 reviews	Search Air Canada flights

United Airlines Flights From Ottawa to Washington, D.C. Dulles Intl Airport
United Airlines operates around 28 flights from Ottawa to Washington, D.C. Dulles Intl Airport every week. The average price of these flights found in the last 72 hours has been C$ 588, but momondo users have found United Airlines deals from Ottawa to Washington, D.C. Dulles Intl Airport from as low as C$ 363 round-trip. United Airlines has been scored 7.4/10 in 9,826 reviews.
Air Canada Flights From Ottawa to Washington, D.C. Dulles Intl Airport
Air Canada is also a popular choice for this route. Air Canada flight deals for Ottawa to Washington, D.C. Dulles Intl Airport start from as low as C$ 492 round-trip, depending on your selected dates, with average Air Canada deals seen on momondo around C$ 661. Air Canada operates 28 flights to Washington, D.C. Dulles Intl Airport from Ottawa in an average week. Users have rated it 7.1/10 across 11,193 reviews.

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Chantilly

Fairfax

Arlington

Gaithersburg

Linthicum Heights

Bethesda

National Harbor

Reston

Winchester

Herndon

Fredericksburg

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Woodbridge

Leesburg

Silver Spring

Falls Church

Sterling

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Why should I use momondo to find a flight deal from Ottawa to Washington, D.C.?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Ottawa to Washington, D.C. . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Ottawa to Washington, D.C. with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Washington, D.C. from Ottawa with this policy.

How can momondo help me find flights from Ottawa to Washington, D.C.?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Washington, D.C. from Ottawa.

I’m not ready to book a flight from Ottawa to Washington, D.C. right now. Can momondo alert me if prices change?

Price alerts on flights to Washington, D.C. from Ottawa are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Cheap flights from Ottawa to Washington, D.C. from C$ 246

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ottawa to Washington, D.C. departing on 15/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Air Canada flights from Ottawa to Washington, D.C. Dulles Intl Airport

Our best Air Canada deals on Ottawa to Washington, D.C. Dulles Intl Airport flight tickets

United Airlines flights from Ottawa to Washington, D.C. Dulles Intl Airport

Our best United Airlines deals on Ottawa to Washington, D.C. Dulles Intl Airport flight tickets

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

See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Ottawa to Washington, D.C. Dulles Intl Airport

What is the typical price of a round-trip flight between Ottawa and Washington, D.C. Dulles Intl Airport?

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

What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?

What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?

What is the cheapest Ottawa to Washington, D.C. Dulles Intl flight route?

What cabin class options are available on Ottawa to Washington, D.C. Dulles Intl Airport flights?

Can stopping save me money on Ottawa to Washington, D.C. Dulles Intl Airport flights?

How have Ottawa to Washington, D.C. Dulles Intl Airport flight prices changed over time?

What is the cheapest airline that flies from Ottawa to Washington, D.C. Dulles Intl?

Which airlines fly to Washington, D.C. Dulles Intl Airport?

How many flights depart from Ottawa to Washington, D.C. Dulles Intl Airport on average per day?

How many flights depart from Ottawa to Washington, D.C. Dulles Intl Airport on average per week?

When to book flights from Ottawa to Washington, D.C. Dulles Intl Airport

Cheap Ottawa to Washington, D.C. Dulles Intl Airport (YOW to IAD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ottawa to Washington, D.C. Dulles Intl Airport

Best price found

Fastest flight time

Direct flights

Frequently asked questions about flying from Ottawa to Washington, D.C. Dulles Intl Airport

Best airlines flying from Ottawa to Washington, D.C. Dulles Intl Airport

Compare and see reviews for airlines that fly from Ottawa to Washington, D.C. Dulles Intl Airport with momondo

United Airlines Flights From Ottawa to Washington, D.C. Dulles Intl Airport

Air Canada Flights From Ottawa to Washington, D.C. Dulles Intl Airport

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