Cheap flights from District of Columbia to Ottawa from C$ 191

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 26/3. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — YOW
7 Mar — 14 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap 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 5 February 2026.

Thu 19/311:40 a.m.
IAD
-
YOW
1 stop5h 04m
Porter Airlines
Thu 26/36:45 a.m.
YOW
-
IAD
1 stop3h 39m
Porter Airlines
Deal found 4/2C$ 393
Wed 11/311:40 a.m.
IAD
-
YOW
1 stop3h 24m
Porter Airlines
Sun 22/311:00 a.m.
YOW
-
IAD
1 stop6h 14m
Porter Airlines
Deal found 4/2C$ 414
Sat 21/31:45 p.m.
IAD
-
YOW
1 stop3h 44m
Porter Airlines
Sat 28/38:40 a.m.
YOW
-
IAD
1 stop3h 49m
Porter Airlines
Deal found 4/2C$ 418
Thu 26/212:55 p.m.
DCA
-
YOW
Nonstop1h 35m
Air Canada
Mon 2/310:30 a.m.
YOW
-
DCA
Nonstop1h 49m
Air Canada
Deal found 4/2C$ 421
Fri 10/411:40 a.m.
IAD
-
YOW
1 stop5h 49m
Porter Airlines
Mon 13/41:20 p.m.
YOW
-
IAD
1 stop3h 54m
Porter Airlines
Deal found 3/2C$ 421
Sat 21/31:45 p.m.
IAD
-
YOW
1 stop3h 44m
Multiple Airlines
Mon 23/32:50 p.m.
YOW
-
IAD
1 stop6h 04m
Multiple Airlines
Deal found 3/2C$ 422
Sat 21/31:45 p.m.
IAD
-
YOW
1 stop3h 44m
Porter Airlines
Mon 23/36:45 a.m.
YOW
-
IAD
1 stop3h 39m
Porter Airlines
Deal found 4/2C$ 425
Thu 26/211:40 a.m.
IAD
-
YOW
1 stop4h 04m
Porter Airlines
Mon 2/36:45 a.m.
YOW
-
IAD
1 stop3h 39m
Porter Airlines
Deal found 4/2C$ 427
Tue 14/411:40 a.m.
IAD
-
YOW
1 stop3h 29m
Porter Airlines
Fri 17/46:50 a.m.
YOW
-
IAD
1 stop3h 34m
Porter Airlines
Deal found 3/2C$ 433
Fri 17/46:30 p.m.
IAD
-
YOW
1 stop3h 59m
Porter Airlines
Sun 19/412:10 p.m.
YOW
-
IAD
1 stop5h 04m
Porter Airlines
Deal found 4/2C$ 434
Fri 6/36:30 p.m.
IAD
-
YOW
1 stop3h 59m
Porter Airlines
Fri 13/311:00 a.m.
YOW
-
IAD
1 stop6h 14m
Porter Airlines
Deal found 4/2C$ 437
Fri 13/36:30 p.m.
IAD
-
YOW
1 stop3h 59m
Porter Airlines
Sun 22/311:00 a.m.
YOW
-
IAD
1 stop6h 14m
Porter Airlines
Deal found 3/2C$ 442

Find 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 5 February 2026.

Round-trip from

C$ 393

One-way from

C$ 191

Popular in

December

Cheapest in

January

Average price

C$ 512

Good one-way deal

C$ 173 or less
Porter Airlines
  • Porter Airlines
  • 19/3-26/3
  • 2 total stops
  • 8h 43m total
  • District of Columbia to Ottawa
Porter Airlines
  • Porter Airlines
  • 26/3
  • 1 total stop
  • 5h 04m total
  • District of Columbia to Ottawa
Highest demand for flights based on searches. 1% potential increase in price (C$ 12 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease (C$ 34 potential savings vs. average RT price).
Average for round-trip flights in February 2026
Price to beat on a one-way flight from District of Columbia to Ottawa.

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 5 February 2026.
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

Wed 11/3

11:40 a.m.-3:04 p.m.

1 stop3h 24m

Ottawa

Sun 22/3

11:00 a.m.-5:14 p.m.

1 stop6h 14m

C$ 414

Washington, D.C.Ottawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

Sat 21/3

1:45 p.m.-5:29 p.m.

1 stop3h 44m

Ottawa

Mon 23/3

6:45 a.m.-10:24 a.m.

1 stop3h 39m

C$ 425

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Thu 26/2

6:00 a.m.-9:41 a.m.

1 stop3h 41m

Ottawa

Mon 2/3

10:30 a.m.-12:19 p.m.

Nonstop1h 49m

C$ 433

Washington, D.C.Ottawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

Fri 6/3

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

1 stop3h 59m

Ottawa

Fri 13/3

11:00 a.m.-5:14 p.m.

1 stop6h 14m

C$ 437

Washington, D.C.Ottawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

Thu 9/4

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

1 stop3h 59m

Ottawa

Sun 12/4

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

1 stop3h 54m

C$ 437

Washington, D.C.Ottawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

Mon 16/3

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

1 stop5h 49m

Ottawa

Sat 21/3

8:40 a.m.-12:29 p.m.

1 stop3h 49m

C$ 442

Washington, D.C.Ottawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

Fri 20/3

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

1 stop3h 59m

Ottawa

Sun 22/3

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

1 stop5h 04m

C$ 478

Washington, D.C.Ottawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

Wed 11/3

10:13 p.m.-11:54 p.m.

Nonstop1h 41m

Ottawa

Sun 22/3

7:30 p.m.-9:23 p.m.

Nonstop1h 53m

C$ 486

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Sat 30/5

12:45 p.m.-2:17 p.m.

Nonstop1h 32m

Ottawa

Sun 31/5

10:25 a.m.-12:01 p.m.

Nonstop1h 36m

C$ 486

Washington, D.C.Ottawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

Fri 17/4

8:15 a.m.-10:03 a.m.

Nonstop1h 48m

Ottawa

Sun 19/4

2:40 p.m.-4:30 p.m.

Nonstop1h 50m

C$ 486

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/2

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, March is the cheapest month in which you can book a flight from District of Columbia to Ottawa (average of C$ 153). Flying from District of Columbia to Ottawa in December is currently the most expensive (average of C$ 302). 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 5 February 2026.

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.

Weekly flight availability from District of Columbia to Ottawa

Explore weekly flight availability from District of Columbia 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 5 February 2026.

The most flights from USDC 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).

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 3h 24m. 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 cheapest airlines to fly from District of Columbia to Ottawa one-way?

    The cheapest airline one-way is Porter Airlines, with whom users have recently found tickets for as low as C$ 146. However, be on the lookout for offers from Air Canada and United Airlines, as they are both options that can get you from District of Columbia to Ottawa for a low price.

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

    Consider Republic Airways (84%), United Airlines (62%) or Air Canada (58%) when booking your flight. These represent the most reliable airlines 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, March is the cheapest month in which you can book a flight from District of Columbia to Ottawa (average of C$ 153). Flying from District of Columbia to Ottawa in December is currently the most expensive (average of C$ 302). 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
Pembroke
Wakefield

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Alternative routes for District of Columbia to Ottawa

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Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from District of Columbia to Ottawa. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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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