Cheap flights from District of Columbia to Ottawa from C$ 185

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 8/11. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — YOW
2 Dec — 9 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from District of Columbia to Ottawa

Keep the following information in mind while searching for District of Columbia to Ottawa flight deals. Data was last updated 2 November 2025.

Round-trip from

C$ 419

One-way from

C$ 185

Popular in

March

Cheapest in

January

Average price

C$ 530

Good one-way deal

C$ 269 or less
Porter Airlines
  • Porter Airlines
  • 5/12-8/12
  • 2 total stops
  • 23h 27m total
  • District of Columbia to Ottawa
8/11
  • 8/11
  • 1 total stop
  • 20h 37m total
  • District of Columbia to Ottawa
Highest demand for flights based on searches. 1% potential increase in price (C$ 14 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease (C$ 17 potential savings vs. average RT price).
Average for round-trip flights in November 2025
Price to beat on a one-way flight from District of Columbia to Ottawa.

Find flight deals from District of Columbia to Ottawa

Enter your travel dates to find the best prices.

Cheapest flights from District of Columbia to Ottawa
Explore the most affordable flight options available from District of Columbia to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 November 2025.

Fri 5/129:20 p.m.IAD - YOW
1 stop19h 53mMultiple Airlines
Mon 8/126:50 a.m.YOW - IAD
1 stop3h 34mMultiple Airlines
Deal found 1/11C$ 419
Fri 5/129:20 p.m.IAD - YOW
1 stop19h 53mMultiple Airlines
Wed 10/1211:40 a.m.YOW - IAD
1 stop5h 34mMultiple Airlines
Deal found 1/11C$ 424
Mon 17/116:30 p.m.IAD - YOW
1 stop3h 59mPorter Airlines
Wed 19/116:50 a.m.YOW - IAD
1 stop3h 34mPorter Airlines
Deal found 31/10C$ 434
Mon 24/116:30 p.m.IAD - YOW
1 stop3h 59mPorter Airlines
Mon 1/121:20 p.m.YOW - IAD
1 stop3h 54mPorter Airlines
Deal found 1/11C$ 451
Wed 24/1211:40 a.m.IAD - YOW
1 stop5h 49mPorter Airlines
Sat 27/1212:10 p.m.YOW - IAD
1 stop5h 04mPorter Airlines
Deal found 31/10C$ 458
Thu 25/122:30 p.m.IAD - YOW
1 stop4h 29mPorter Airlines
Wed 31/126:50 a.m.YOW - IAD
1 stop3h 34mPorter Airlines
Deal found 31/10C$ 471
Fri 5/126:30 p.m.IAD - YOW
1 stop3h 59mMultiple Airlines
Sun 7/129:30 a.m.YOW - IAD
1 stop10h 54mMultiple Airlines
Deal found 1/11C$ 499
Thu 27/1111:40 a.m.IAD - YOW
1 stop8h 14mPorter Airlines
Mon 1/121:20 p.m.YOW - IAD
1 stop3h 54mPorter Airlines
Deal found 30/10C$ 503
Mon 1/1211:40 a.m.IAD - YOW
1 stop3h 24mPorter Airlines
Mon 8/126:50 a.m.YOW - IAD
1 stop3h 34mPorter Airlines
Deal found 1/11C$ 504
Mon 8/1211:40 a.m.IAD - YOW
1 stop5h 49mPorter Airlines
Tue 9/1212:10 p.m.YOW - IAD
1 stop5h 04mPorter Airlines
Deal found 1/11C$ 509
Thu 25/1211:05 a.m.DCA - YOW
1 stop5h 43mAir Canada
Wed 31/1210:50 a.m.YOW - DCA
1 stop4h 41mAir Canada
Deal found 31/10C$ 602
Mon 22/126:00 a.m.DCA - YOW
1 stop5h 18mAir Canada
Sat 10/15:45 a.m.YOW - DCA
1 stop4h 36mAir Canada
Deal found 31/10C$ 619

Cheapflights Fare Finder

 
Customize your flight search to find flights from District of Columbia 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 629,999 searches. Data last updated 2 November 2025.
Use the filters below to find and compare flights from District of Columbia to Ottawa that are best for you.

Fly from

District of Columbia

Fly to

Ottawa

Route

Depart

Return

Price

Washington, D.C.Ottawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

Fri 5/12

9:20 p.m.-5:13 p.m.

1 stop19h 53m

Ottawa

Mon 8/12

6:50 a.m.-10:24 a.m.

1 stop3h 34m

C$ 419

Washington, D.C.Ottawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

Fri 5/12

9:20 p.m.-5:13 p.m.

1 stop19h 53m

Ottawa

Wed 10/12

11:40 a.m.-5:14 p.m.

1 stop5h 34m

C$ 424

Washington, D.C.Ottawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

Wed 24/12

11:40 a.m.-5:29 p.m.

1 stop5h 49m

Ottawa

Sat 27/12

12:10 p.m.-5:14 p.m.

1 stop5h 04m

C$ 458

Washington, D.C.Ottawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

Thu 25/12

2:30 p.m.-6:59 p.m.

1 stop4h 29m

Ottawa

Wed 31/12

6:50 a.m.-10:24 a.m.

1 stop3h 34m

C$ 471

Washington, D.C.Ottawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

Mon 8/12

11:40 a.m.-5:29 p.m.

1 stop5h 49m

Ottawa

Tue 9/12

12:10 p.m.-5:14 p.m.

1 stop5h 04m

C$ 509

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Wed 1/4

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

1 stop6h 06m

Ottawa

Thu 2/4

10:30 a.m.-12:06 p.m.

Nonstop1h 36m

C$ 510

Washington, D.C.Ottawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

Fri 5/12

5:19 p.m.-12:35 p.m.

2 stops19h 16m

Ottawa

Sun 7/12

9:30 a.m.-8:24 p.m.

1 stop10h 54m

C$ 521

Washington, D.C.Ottawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

Wed 19/11

11:40 a.m.-12:42 a.m.

1 stop13h 02m

Ottawa

Mon 24/11

9:30 a.m.-7:45 a.m.

1 stop22h 15m

C$ 531

Washington, D.C.Ottawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

Mon 8/12

6:58 p.m.-12:35 p.m.

2 stops41h 37m

Ottawa

Sat 20/12

1:20 p.m.-5:14 p.m.

1 stop3h 54m

C$ 548

Washington, D.C.Ottawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

Sun 21/12

6:30 p.m.-10:29 p.m.

1 stop3h 59m

Ottawa

Sun 28/12

12:10 p.m.-5:14 p.m.

1 stop5h 04m

C$ 576

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/11

Showing 1-10 of 38 results
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Best time to book a flight from District of Columbia to Ottawa

Have a flexible travel schedule? Discover the best time to fly to Ottawa from District of Columbia 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 District of Columbia to Ottawa

What is the cheapest month to book a flight from District of Columbia to Ottawa?

Currently, September is the cheapest month in which you can book a flight from District of Columbia to Ottawa (average of C$ 158). Flying from District of Columbia to Ottawa in June is currently the most expensive (average of C$ 300). 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 DC to YOW?

Find hourly flight availability from District of Columbia 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 2 November 2025.

A simple way to save on the total cost of your ticket is to fly from District of Columbia to Ottawa at noon. If you’re flexible enough to do this you can expect to save up to 83% on your trip compared to booking a flight in the afternoon.

Related info for your journey

Find useful and relevant information for your journey from District of Columbia 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 District of Columbia?

    Located just 10.6 km from the city centre, Ottawa (YOW) is the airport most travelers will use when flying to Ottawa from District of Columbia.

  • How long is the flight from District of Columbia to Ottawa?

    Airlines like Porter Airlines and Air Canada fly from District of Columbia to Ottawa in about 5h 49m. The time it takes to get you to your destination can typically vary by up to 17m. The distance from District of Columbia to Ottawa is about 723 km. This flight may include one or multiple stops.

  • What are the most reliable airlines from District of Columbia to Ottawa?

    Consider GoJet (80%), Air Canada (80%) or United Airlines (80%) when booking your flight. These represent the most reliable airlines when flying from District of Columbia to Ottawa.

  • What are the cheapest flights from District of Columbia to Ottawa?

    Looking at all options, your cheapest flight can be booked for C$ 235. While the most popular route (Washington, D.C. Dulles Intl - Ottawa) can be booked for C$ 406 on average, our data indicates C$ 3,456 when flying from District of Columbia to Ottawa.

  • Can I find deals for flights from District of Columbia to Ottawa that include hotel bookings?

    Yes. In addition to deals on District of Columbia to Ottawa flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from District of Columbia to Ottawa?

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

  • Can I find deals for business class flights from District of Columbia to Ottawa?

    Yes. Cheapflights offers flight deals from District of Columbia 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 District of Columbia to Ottawa?

    Currently, September is the cheapest month in which you can book a flight from District of Columbia to Ottawa (average of C$ 158). Flying from District of Columbia to Ottawa in June is currently the most expensive (average of C$ 300). 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

Travelling to a place near Ottawa?

Book flights to Ottawa if you plan to visit one of these locations
Gatineau
Brockville
Smiths Falls
Perth
Prescott
Pembroke
Wakefield

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Alternative routes for District of Columbia to Ottawa

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Why should you use Cheapflights to find cheap flight tickets from District of Columbia to Ottawa?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Ottawa from District of Columbia.

Can Cheapflights find flights from District of Columbia to Ottawa with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from District of Columbia to Ottawa flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from District of Columbia to Ottawa become cheaper?

Yes! Start tracking prices for District of Columbia to Ottawa 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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