Cheap flights from District of Columbia to Ottawa from C$ 226

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 28/7. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — YOW
28 Jul — 4 Aug1
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 28 June 2026.

Fri 24/73:55 p.m.
IAD
-
YOW
1 stop4h 09m
Porter Airlines
Mon 27/710:40 a.m.
YOW
-
IAD
1 stop4h 31m
Porter Airlines
Deal found 28/6C$ 477
Wed 12/83:50 p.m.
IAD
-
YOW
1 stop4h 14m
Porter Airlines
Wed 19/810:40 a.m.
YOW
-
IAD
1 stop4h 30m
Porter Airlines
Deal found 28/6C$ 478
Mon 10/811:25 a.m.
IAD
-
YOW
1 stop6h 29m
Porter Airlines
Mon 17/810:40 a.m.
YOW
-
IAD
1 stop4h 30m
Porter Airlines
Deal found 26/6C$ 480
Fri 24/73:55 p.m.
IAD
-
YOW
1 stop5h 49m
Porter Airlines
Fri 31/710:40 a.m.
YOW
-
IAD
1 stop4h 31m
Porter Airlines
Deal found 28/6C$ 483
Sat 10/1011:25 a.m.
IAD
-
YOW
1 stop7h 44m
Porter Airlines
Mon 12/1010:40 a.m.
YOW
-
IAD
1 stop4h 30m
Porter Airlines
Deal found 27/6C$ 511
Tue 28/73:55 p.m.
IAD
-
YOW
1 stop4h 09m
Porter Airlines
Tue 4/810:40 a.m.
YOW
-
IAD
1 stop4h 30m
Porter Airlines
Deal found 28/6C$ 531
Sun 9/85:40 p.m.
IAD
-
YOW
1 stop21h 15m
Multiple Airlines
Sun 16/810:40 a.m.
YOW
-
IAD
1 stop4h 30m
Multiple Airlines
Deal found 25/6C$ 534
Fri 17/73:55 p.m.
IAD
-
YOW
1 stop4h 09m
Porter Airlines
Sun 19/710:40 a.m.
YOW
-
IAD
1 stop4h 31m
Porter Airlines
Deal found 26/6C$ 539
Thu 23/73:55 p.m.
IAD
-
YOW
1 stop4h 09m
Multiple Airlines
Sun 26/76:00 a.m.
YOW
-
IAD
Nonstop1h 44m
Multiple Airlines
Deal found 26/6C$ 542
Fri 7/83:50 p.m.
IAD
-
YOW
1 stop4h 14m
Porter Airlines
Wed 19/810:40 a.m.
YOW
-
IAD
1 stop4h 30m
Porter Airlines
Deal found 23/6C$ 545
Wed 16/912:40 p.m.
DCA
-
YOW
Nonstop1h 32m
Air Canada
Tue 22/910:25 a.m.
YOW
-
DCA
Nonstop1h 35m
Air Canada
Deal found 25/6C$ 548
Wed 15/73:55 p.m.
IAD
-
YOW
1 stop4h 09m
Porter Airlines
Fri 24/710:40 a.m.
YOW
-
IAD
1 stop4h 31m
Porter Airlines
Deal found 23/6C$ 551

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 28 June 2026.

Round-trip from

C$ 477

One-way from

C$ 226

Popular in

December

Cheapest in

October

Average price

C$ 744

Good round-trip deal

C$ 429 or less

Good one-way deal

C$ 281 or less
Porter Airlines
  • Porter Airlines
  • 23/7-5/8
  • 2 total stops
  • 8h 39m total
  • District of Columbia to Ottawa
Porter Airlines
  • Porter Airlines
  • 28/7
  • 1 total stop
  • 4h 09m total
  • District of Columbia to Ottawa
Highest demand for flights based on searches. 7% potential increase in price (C$ 79 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease (C$ 22 potential savings vs. average RT price).
Average for round-trip flights in June 2026
Price to beat on a round-trip flight from District of Columbia to Ottawa.
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 28 June 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

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Mon 19/10

12:40 p.m.-2:10 p.m.

Nonstop1h 30m

Ottawa

Mon 26/10

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

Nonstop1h 49m

C$ 548

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Wed 16/9

9:40 a.m.-1:54 p.m.

1 stop4h 14m

Ottawa

Tue 22/9

5:50 p.m.-9:50 p.m.

1 stop4h 00m

C$ 572

Washington, D.C.Ottawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

Thu 23/7

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

Nonstop1h 44m

Ottawa

Thu 30/7

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

Nonstop1h 43m

C$ 606

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Sat 11/7

6:00 a.m.-11:30 a.m.

1 stop5h 30m

Ottawa

Sun 12/7

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

1 stop4h 18m

C$ 610
Quickest round-trip

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Mon 20/7

12:40 p.m.-2:11 p.m.

Nonstop1h 31m

Ottawa

Thu 23/7

10:25 a.m.-12:00 p.m.

Nonstop1h 35m

C$ 622

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Fri 17/7

12:40 p.m.-2:11 p.m.

Nonstop1h 31m

Ottawa

Mon 20/7

10:25 a.m.-12:00 p.m.

Nonstop1h 35m

C$ 622

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Sat 10/10

4:20 p.m.-8:50 p.m.

1 stop4h 30m

Ottawa

Mon 12/10

6:00 p.m.-10:34 p.m.

1 stop4h 34m

C$ 632

Washington, D.C.Ottawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

Thu 6/8

3:50 p.m.-8:04 p.m.

1 stop4h 14m

Ottawa

Fri 7/8

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

1 stop4h 30m

C$ 667

Washington, D.C.Ottawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

Wed 5/8

3:50 p.m.-8:04 p.m.

1 stop4h 14m

Ottawa

Thu 6/8

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

1 stop4h 30m

C$ 667

Washington, D.C.Ottawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

Fri 7/8

6:33 a.m.-4:38 p.m.

1 stop10h 05m

Ottawa

Fri 7/8

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

Nonstop1h 43m

C$ 678

Flights are sorted by cheapest round-trip flights first.

Deals found on 26/6

Showing 1-10 of 41 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, December is the cheapest month in which you can book a flight from District of Columbia to Ottawa (average of C$ 199). Flying from District of Columbia to Ottawa in February is currently the most expensive (average of C$ 480). 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 28 June 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 evening.

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 28 June 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?

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

Booking 30 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 30m. 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$ 152. 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 (87%), Air Canada (86%) or Avianca (85%) 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$ 252. While the most popular route (Washington, D.C. Dulles Intl - Ottawa) can be booked for C$ 477 on average, our data indicates C$ 541 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, December is the cheapest month in which you can book a flight from District of Columbia to Ottawa (average of C$ 199). Flying from District of Columbia to Ottawa in February is currently the most expensive (average of C$ 480). 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
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.

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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