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Cheap flights from District of Columbia to Ottawa from C$ 175

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 27/9. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — YOW
14 Sep — 21 Sep1
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 15 August 2026.

Thu 24/93:50 p.m. -
1 stop5h 52m
Thu 1/1010:40 a.m. -
1 stop4h 30m
Deal found 10/8C$ 440
Tue 8/911:25 a.m. -
1 stop6h 27m
Fri 11/910:40 a.m. -
1 stop4h 30m
Deal found 11/8C$ 443
Fri 25/93:50 p.m. -
1 stop4h 12m
Mon 28/910:40 a.m. -
1 stop4h 30m
Deal found 14/8C$ 471
Thu 10/93:50 p.m. -
1 stop4h 12m
Thu 17/910:40 a.m. -
1 stop4h 30m
Deal found 13/8C$ 476
Wed 9/911:25 a.m. -
1 stop6h 27m
Wed 16/912:15 p.m. -
1 stop4h 23m
Deal found 10/8C$ 479
Mon 5/103:50 p.m. -
1 stop4h 12m
Thu 8/1010:40 a.m. -
1 stop4h 30m
Deal found 14/8C$ 482
Sat 12/911:25 a.m. -
1 stop7h 42m
Wed 16/96:25 p.m. -
1 stop16h 20m
Deal found 14/8C$ 483
Sun 4/1011:25 a.m. -
1 stop6h 27m
Sun 11/1010:40 a.m. -
1 stop4h 30m
Deal found 11/8C$ 485
Mon 14/93:50 p.m. -
1 stop5h 52m
Mon 21/910:40 a.m. -
1 stop4h 30m
Deal found 11/8C$ 486
Wed 14/106:21 p.m. -
2 stops29h 59m
Sun 18/1010:40 a.m. -
1 stop4h 30m
Deal found 14/8C$ 488
Tue 6/1011:25 a.m. -
1 stop8h 37m
Thu 15/108:00 a.m. -
1 stop7h 10m
Deal found 10/8C$ 499
Sat 26/911:25 a.m. -
1 stop7h 42m
Sun 27/96:25 p.m. -
1 stop16h 20m
Deal found 14/8C$ 501

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 15 August 2026.

Round-trip from

C$ 443

One-way from

C$ 175

Popular in

December

Cheapest in

October

Average price

C$ 607

Good round-trip deal

C$ 215 or less

Good one-way deal

C$ 324 or less
Porter Airlines
  • Porter Airlines
  • 8/9-11/9
  • 2 total stops
  • 10h 57m total
  • District of Columbia to Ottawa
Search Deals
27/9
  • 27/9
  • 1 total stop
  • 20h 54m total
  • District of Columbia to Ottawa
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (C$ 69 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
Search Deals
Price to beat on a round-trip flight from District of Columbia to Ottawa.
Search Deals
Price to beat on a one-way flight from District of Columbia to Ottawa.
Search Deals

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 15 August 2026.
Use the filters below to find and compare flights from District of Columbia to Ottawa that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

Washington, D.C.Ottawa

DCA Washington, D.C. Reagan-National - YOW Ottawa

DCAYOW

Washington, D.C. Reagan-National

Sat 26/9

12:55 p.m.-2:27 p.m.

Nonstop1h 32m

Ottawa

Tue 29/9

10:40 a.m.-12:14 p.m.

Nonstop1h 34m

C$ 511

Washington, D.C.Ottawa

DCA Washington, D.C. Reagan-National - YOW Ottawa

DCAYOW

Washington, D.C. Reagan-National

Fri 11/9

12:55 p.m.-2:27 p.m.

Nonstop1h 32m

Ottawa

Mon 14/9

10:40 a.m.-12:14 p.m.

Nonstop1h 34m

C$ 511

Washington, D.C.Ottawa

DCA Washington, D.C. Reagan-National - YOW Ottawa

DCAYOW

Washington, D.C. Reagan-National

Wed 23/9

6:00 a.m.-10:18 a.m.

1 stop4h 18m

Ottawa

Wed 23/9

2:00 p.m.-6:15 p.m.

1 stop4h 15m

C$ 542

Washington, D.C.Ottawa

IAD Washington, D.C. Dulles Intl - YOW Ottawa

IADYOW

Washington, D.C. Dulles Intl

Fri 25/9

12:35 p.m.-2:17 p.m.

Nonstop1h 42m

Ottawa

Mon 28/9

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

Nonstop1h 43m

C$ 610

Washington, D.C.Ottawa

IAD Washington, D.C. Dulles Intl - YOW Ottawa

IADYOW

Washington, D.C. Dulles Intl

Thu 3/9

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

Nonstop1h 44m

Ottawa

Sun 6/9

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

Nonstop1h 43m

C$ 610

Washington, D.C.Ottawa

IAD Washington, D.C. Dulles Intl - YOW Ottawa

IADYOW

Washington, D.C. Dulles Intl

Wed 21/10

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

Nonstop1h 41m

Ottawa

Thu 22/10

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

1 stop4h 23m

C$ 617

Washington, D.C.Ottawa

IAD Washington, D.C. Dulles Intl - YOW Ottawa

IADYOW

Washington, D.C. Dulles Intl

Sat 26/9

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

Nonstop1h 41m

Ottawa

Tue 29/9

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

1 stop4h 23m

C$ 617

Washington, D.C.Ottawa

DCA Washington, D.C. Reagan-National - YOW Ottawa

DCAYOW

Washington, D.C. Reagan-National

Sat 19/9

6:55 p.m.-8:15 a.m.

1 stop13h 20m

Ottawa

Sun 20/9

10:40 a.m.-12:14 p.m.

Nonstop1h 34m

C$ 617

Washington, D.C.Ottawa

IAD Washington, D.C. Dulles Intl - YOW Ottawa

IADYOW

Washington, D.C. Dulles Intl

Tue 29/9

10:30 a.m.-5:16 p.m.

1 stop6h 46m

Ottawa

Tue 6/10

7:30 p.m.-9:14 p.m.

Nonstop1h 44m

C$ 622

Washington, D.C.Ottawa

IAD Washington, D.C. Dulles Intl - YOW Ottawa

IADYOW

Washington, D.C. Dulles Intl

Wed 14/10

5:50 p.m.-10:35 p.m.

1 stop4h 45m

Ottawa

Sun 18/10

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

Nonstop1h 43m

C$ 622

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/8

Showing 1-10 of 44 resultsSorted by cheapest first
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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, October is the cheapest month in which you can book a flight from District of Columbia to Ottawa (average of C$ 599). Flying from District of Columbia to Ottawa in February is currently the most expensive (average of C$ 899). 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 15 August 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 79% 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 15 August 2026.

The most flights from USDC to YOW are scheduled on a Monday (9 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (9 on average).

How much does it cost to fly round-trip from District of Columbia to Ottawa?

Airfare is below average for this route at the moment.
District of Columbia to Ottawa flights typically cost between C$ 675 and C$ 683 in September.
The cheapest round-trip price found within the last 5 days was C$ 443 on Porter Airlines (8 Sep-11 Sep).

How far ahead should I book a flight from District of Columbia to Ottawa?

Booking 75 days in advance of your planned departure date is, on average, the best time to get cheap flights from District of Columbia to Ottawa. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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 Air Canada and United Airlines fly from District of Columbia to Ottawa in about 1h 32m. The time it takes to get you to your destination is usually consistent. The distance from District of Columbia to Ottawa is about 727 km. All flights are typically direct.

  • 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$ 148. However, be on the lookout for offers from United Airlines and Air Canada, 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 GoJet (80%), Air Canada (78%) or United Airlines (78%) 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$ 324. While the most popular route (Washington, D.C. Dulles Intl - Ottawa) can be booked for C$ 471 on average, our data indicates C$ 942 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, October is the cheapest month in which you can book a flight from District of Columbia to Ottawa (average of C$ 599). Flying from District of Columbia to Ottawa in February is currently the most expensive (average of C$ 899). 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
Prescott
Brockville
Wakefield
Pembroke
Smiths Falls

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Alternative routes for District of Columbia to Ottawa

See prices for flight routes from nearby airports that may be better suited for you.
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Fly with Cheapflights

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How does Cheapflights help users find flights from District of Columbia to Ottawa?

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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