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Cheap flights from Ottawa to District of Columbia from C$ 203

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 30/1. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — IAD
17 Jan — 24 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ottawa to District of Columbia

Enter your travel dates to find the best prices.

Cheapest flights from Ottawa to District of Columbia
Explore the most affordable flight options available from Ottawa to District of Columbia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 December 2025.

Tue 23/129:30 a.m.YOW - IAD
1 stop11h 33mMultiple Airlines
Fri 2/111:35 a.m.IAD - YOW
1 stop3h 29mMultiple Airlines
Deal found 16/12C$ 634
Fri 26/121:20 p.m.YOW - IAD
1 stop3h 54mPorter Airlines
Fri 2/111:35 a.m.IAD - YOW
1 stop3h 29mPorter Airlines
Deal found 16/12C$ 648
Tue 23/129:30 a.m.YOW - IAD
1 stop11h 33mMultiple Airlines
Tue 30/126:30 p.m.IAD - YOW
1 stop3h 59mMultiple Airlines
Deal found 16/12C$ 661
Fri 26/1212:10 p.m.YOW - IAD
1 stop5h 04mPorter Airlines
Tue 30/126:30 p.m.IAD - YOW
1 stop3h 59mPorter Airlines
Deal found 16/12C$ 689
Tue 23/129:30 a.m.YOW - IAD
1 stop11h 33mMultiple Airlines
Wed 31/1211:40 a.m.IAD - YOW
1 stop13h 02mMultiple Airlines
Deal found 16/12C$ 710
Sun 28/121:20 p.m.YOW - IAD
1 stop3h 54mPorter Airlines
Fri 2/111:35 a.m.IAD - YOW
1 stop3h 29mPorter Airlines
Deal found 16/12C$ 730
Wed 24/129:10 a.m.YOW - IAD
2 stops23h 36mMultiple Airlines
Fri 2/111:35 a.m.IAD - YOW
1 stop3h 29mMultiple Airlines
Deal found 16/12C$ 733
Fri 19/129:30 a.m.YOW - IAD
2 stops26h 08mMultiple Airlines
Fri 2/19:58 p.m.IAD - YOW
1 stop26h 00mMultiple Airlines
Deal found 16/12C$ 752
Thu 25/125:09 p.m.YOW - DCA
1 stop5h 41mUnited Airlines
Wed 7/18:25 a.m.DCA - YOW
1 stop8h 47mUnited Airlines
Deal found 17/12C$ 845
Fri 26/125:45 a.m.YOW - DCA
1 stop4h 36mAir Canada
Fri 2/16:59 a.m.DCA - YOW
1 stop4h 09mAir Canada
Deal found 16/12C$ 857
Sat 27/126:00 a.m.YOW - DCA
1 stop6h 24mUnited Airlines
Tue 6/19:07 a.m.DCA - YOW
1 stop4h 25mUnited Airlines
Deal found 17/12C$ 858
Sun 28/125:45 a.m.YOW - DCA
1 stop4h 36mAir Canada
Fri 2/18:40 p.m.DCA - YOW
1 stop4h 58mAir Canada
Deal found 16/12C$ 868

Find flight deals from Ottawa to District of Columbia

Keep the following information in mind while searching for Ottawa to District of Columbia flight deals. Data was last updated 18 December 2025.

Round-trip from

C$ 376

One-way from

C$ 203

Popular in

November

Cheapest in

March

Average price

C$ 473

Good round-trip deal

C$ 532 or less

Good one-way deal

C$ 345 or less
Porter Airlines
  • Porter Airlines
  • 26/1-6/2
  • 2 total stops
  • 6h 43m total
  • Ottawa to District of Columbia
Search Deals
Porter Airlines
  • Porter Airlines
  • 30/1
  • 1 total stop
  • 3h 19m total
  • Ottawa to District of Columbia
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (C$ 52 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Ottawa to District of Columbia.
Search Deals
Price to beat on a one-way flight from Ottawa to District of Columbia.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ottawa to District of Columbia 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 18 December 2025.
Use the filters below to find and compare flights from Ottawa to District of Columbia that are best for you.

Fly from

Ottawa

Fly to

District of Columbia

Route

Depart

Return

Price

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Mon 26/1

7:00 a.m.-10:19 a.m.

1 stop3h 19m

Washington, D.C. Dulles Intl

Fri 6/2

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

1 stop3h 24m

C$ 376

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Sat 17/1

9:45 a.m.-11:49 a.m.

Nonstop2h 04m

Washington, D.C. Dulles Intl

Sun 25/1

5:10 p.m.-6:52 p.m.

Nonstop1h 42m

C$ 380

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Fri 16/1

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

Nonstop1h 49m

Washington, D.C. Reagan-National

Sun 18/1

6:00 a.m.-9:42 a.m.

1 stop3h 42m

C$ 387

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Wed 14/1

7:00 a.m.-10:19 a.m.

1 stop3h 19m

Washington, D.C. Dulles Intl

Wed 21/1

11:35 a.m.-3:04 p.m.

1 stop3h 29m

C$ 397

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Mon 26/1

2:05 p.m.-7:45 p.m.

1 stop5h 40m

Washington, D.C. Reagan-National

Fri 6/2

12:55 p.m.-2:30 p.m.

Nonstop1h 35m

C$ 409

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Mon 26/1

7:27 p.m.-9:25 p.m.

Nonstop1h 58m

Washington, D.C. Dulles Intl

Thu 5/2

8:20 a.m.-5:12 p.m.

1 stop8h 52m

C$ 412

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Fri 16/1

9:45 a.m.-11:49 a.m.

Nonstop2h 04m

Washington, D.C. Dulles Intl

Fri 23/1

8:29 a.m.-1:32 p.m.

1 stop5h 03m

C$ 412

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Mon 26/1

7:00 a.m.-10:19 a.m.

1 stop3h 19m

Washington, D.C. Dulles Intl

Thu 5/2

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

1 stop3h 24m

C$ 412

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Mon 26/1

7:27 p.m.-9:25 p.m.

Nonstop1h 58m

Washington, D.C. Dulles Intl

Thu 29/1

8:20 a.m.-5:12 p.m.

1 stop8h 52m

C$ 412

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Mon 26/1

7:00 a.m.-10:19 a.m.

1 stop3h 19m

Washington, D.C. Dulles Intl

Thu 29/1

11:35 a.m.-3:04 p.m.

1 stop3h 29m

C$ 412

Flights are sorted by cheapest round-trip flights first.

Deals found on 15/12

Showing 1-10 of 39 results
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Best time to book a flight from Ottawa to District of Columbia

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

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

Currently, April is the cheapest month in which you can book a flight from Ottawa to District of Columbia (average of C$ 101). Flying from Ottawa to District of Columbia in July is currently the most expensive (average of C$ 328). 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 YOW to DC?

Find hourly flight availability from Ottawa to District of Columbia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 18 December 2025.

When flying from Ottawa to District of Columbia, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 34% versus a flight at noon.

What is the cheapest day to fly from Ottawa to District of Columbia?

Use this chart to determine the cheapest time to fly round-trip from Ottawa to District of Columbia. Price data was last updated on 16 December 2024.

Travelers seeking maximum savings on their Ottawa to District of Columbia flight should consider departing on Saturday afternoons when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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

Reviews of airlines servicing District of Columbia

Get insights into the airlines that provide service to District of Columbia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to District of Columbia. Reviews last updated 18 December 2025.
See what other customers who have flown with Porter Airlines,United Airlines, andAir Canada from Ottawa to District of Columbia have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
399 reviews
Check prices

Comfort

7.9

Entertainment

7.0

Boarding

8.2

Crew

8.6

Overall

8.0

Food

7.6

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Porter Airlines
8.0
Very good
399 reviews
Porter Airlines
8.0
Very good
399 reviews
Check prices

Comfort

7.9

Entertainment

7.0

Boarding

8.2

Crew

8.6

Overall

8.0

Food

7.6

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
United Airlines
7.4
Good
9,095 reviews
Porter Airlines
8.0
Very good
399 reviews
Check prices

Comfort

7.9

Entertainment

7.0

Boarding

8.2

Crew

8.6

Overall

8.0

Food

7.6

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Air Canada
7.1
Good
10,534 reviews
Porter Airlines
8.0
Very good
399 reviews
Check prices

Comfort

7.9

Entertainment

7.0

Boarding

8.2

Crew

8.6

Overall

8.0

Food

7.6

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out

Related info for your journey

Find useful and relevant information for your journey from Ottawa to District of Columbia. 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 from for flights from Ottawa to District of Columbia?

    If you book a flight to District of Columbia from Ottawa, you will be flying from Ottawa, which is the city’s only airport. Ottawa (YOW) is located 10.6 km from the centre of Ottawa.

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

    Departing from Ottawa to District of Columbia will take you 1h 49m. The distance between Ottawa and District of Columbia is about 727 km. Both multi-stop and direct flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Ottawa to District of Columbia one-way?

    To fly one-way, consider booking your trip with Porter Airlines, which is currently one of the cheapest options available, starting at C$ 176. Air Canada flights start at C$ 200 while deals on United Airlines start at C$ 255 one-way.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Ottawa to District of Columbia on time: Republic Airways (76%), Avianca (75%), United Airlines (74%).

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

    Looking at all options, your cheapest flight can be booked for C$ 267. While the most popular route (Ottawa - Washington, D.C. Dulles Intl) can be booked for C$ 357 on average, our data indicates C$ 1,049 when flying from Ottawa to District of Columbia.

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

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

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

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

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

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

    Currently, April is the cheapest month in which you can book a flight from Ottawa to District of Columbia (average of C$ 101). Flying from Ottawa to District of Columbia in July is currently the most expensive (average of C$ 328). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Ottawa to District of Columbia

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Ottawa to District of Columbia

Discover the top 3 airlines that operate flights from Ottawa to District of Columbia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 18 December 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 303AverageC$ 658FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Porter AirlinesCheapestC$ 332AverageC$ 379FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air CanadaCheapestC$ 365AverageC$ 538FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Ottawa to District of Columbia. 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 Ottawa to District of Columbia?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Ottawa to District of Columbia for you. Better yet — we are completely free to use.

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

Certainly. Search results for flights to District of Columbia from Ottawa shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to District of Columbia from Ottawa today and book when prices fit your budget.

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