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Cheap flights from Ottawa to District of Columbia from C$ 178

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 22/5. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — IAD
30 Mar — 6 Apr1
1 adult

Cheap 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 25 March 2025.

Round-trip from

C$ 360

One-way from

C$ 178

Popular in

June

Cheapest in

January

Average price

C$ 490

Good round-trip deal

C$ 464 or less

Good one-way deal

C$ 218 or less
Porter Airlines
  • Porter Airlines
  • 13/4-14/4
  • 2 total stops
  • 7h 28m total
  • Ottawa to District of Columbia
Search Deals
Porter Airlines
  • Porter Airlines
  • 22/5
  • 1 total stop
  • 3h 16m total
  • Ottawa to District of Columbia
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (C$ 34 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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.
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Find flight deals from Ottawa to District of Columbia

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 25 March 2025.

Tue 15/45:45 a.m.YOW - DCA
1 stop4h 34mAir Canada
Tue 15/46:40 p.m.DCA - YOW
1 stop5h 04mAir Canada
Deal found 22/3C$ 358
Thu 3/49:50 a.m.YOW - IAD
Nonstop1h 43mAir Canada
Mon 7/410:14 p.m.IAD - YOW
Nonstop1h 39mAir Canada
Deal found 24/3C$ 374
Fri 18/45:45 p.m.YOW - IAD
1 stop4h 39mPorter Airlines
Sun 27/47:00 a.m.IAD - YOW
1 stop4h 54mPorter Airlines
Deal found 24/3C$ 381
Sat 19/410:25 a.m.YOW - DCA
Nonstop1h 36mMultiple Airlines
Sun 20/46:00 a.m.DCA - YOW
1 stop3h 36mMultiple Airlines
Deal found 24/3C$ 423
Sat 19/49:50 a.m.YOW - IAD
Nonstop1h 43mMultiple Airlines
Sun 20/47:00 a.m.IAD - YOW
1 stop4h 54mMultiple Airlines
Deal found 24/3C$ 501
Sat 19/47:29 p.m.YOW - IAD
Nonstop1h 46mUnited Airlines
Sun 20/45:10 p.m.IAD - YOW
Nonstop1h 42mUnited Airlines
Deal found 24/3C$ 531
Fri 18/410:25 a.m.YOW - DCA
Nonstop1h 36mUnited Airlines
Mon 21/412:55 p.m.DCA - YOW
Nonstop1h 32mUnited Airlines
Deal found 23/3C$ 533
Wed 7/55:55 a.m.YOW - DCA
2 stops16h 54mWestJet
Wed 14/51:45 p.m.DCA - YOW
2 stops10h 37mWestJet
Deal found 23/3C$ 602
Sat 12/45:55 a.m.YOW - DCA
2 stops12h 32mDelta
Tue 15/411:00 a.m.DCA - YOW
2 stops13h 09mDelta
Deal found 22/3C$ 638
Mon 21/45:55 a.m.YOW - IAD
2 stops29h 28mWestJet
Mon 28/41:44 p.m.IAD - YOW
2 stops10h 38mWestJet
Deal found 24/3C$ 921
Wed 23/45:55 a.m.YOW - IAD
2 stops17h 12mDelta
Sun 27/46:00 a.m.IAD - YOW
2 stops18h 22mDelta
Deal found 24/3C$ 1,122

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 25 March 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 - DCA

YOWDCA

Ottawa

Tue 15/4

5:45 a.m.-10:19 a.m.

1 stop4h 34m

Washington, D.C. Reagan-National

Tue 15/4

6:40 p.m.-11:44 p.m.

1 stop5h 04m

C$ 358

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Fri 18/4

5:45 p.m.-10:24 p.m.

1 stop4h 39m

Washington, D.C. Dulles Intl

Sun 27/4

7:00 a.m.-11:54 a.m.

1 stop4h 54m

C$ 381

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Sat 19/4

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

Nonstop1h 36m

Washington, D.C. Reagan-National

Sun 20/4

6:00 a.m.-9:36 a.m.

1 stop3h 36m

C$ 423

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Tue 22/4

7:29 p.m.-9:15 p.m.

Nonstop1h 46m

Washington, D.C. Dulles Intl

Tue 29/4

8:17 a.m.-9:58 a.m.

Nonstop1h 41m

C$ 446

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Sat 19/4

9:50 a.m.-11:33 a.m.

Nonstop1h 43m

Washington, D.C. Dulles Intl

Sun 20/4

7:00 a.m.-11:54 a.m.

1 stop4h 54m

C$ 501

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Sat 19/4

7:29 p.m.-9:15 p.m.

Nonstop1h 46m

Washington, D.C. Dulles Intl

Sun 20/4

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

Nonstop1h 42m

C$ 531

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Fri 18/4

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

Nonstop1h 36m

Washington, D.C. Reagan-National

Mon 21/4

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

Nonstop1h 32m

C$ 533

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Wed 7/5

5:55 a.m.-10:49 p.m.

2 stops16h 54m

Washington, D.C. Reagan-National

Wed 14/5

1:45 p.m.-12:22 a.m.

2 stops10h 37m

C$ 602

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Sat 12/4

5:55 a.m.-6:27 p.m.

2 stops12h 32m

Washington, D.C. Reagan-National

Tue 15/4

11:00 a.m.-12:09 a.m.

2 stops13h 09m

C$ 638

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Wed 14/5

5:55 a.m.-10:54 p.m.

2 stops16h 59m

Washington, D.C. Dulles Intl

Sun 25/5

6:00 a.m.-12:52 a.m.

2 stops18h 52m

C$ 698

Flights are sorted by cheapest round-trip flights first.

Deals found on 24/3

Showing 1-10 of 21 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, February is the cheapest month in which you can book a flight from Ottawa to District of Columbia (average of C$ 256). Flying from Ottawa to District of Columbia in October is currently the most expensive (average of C$ 352). 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 25 March 2025.

When flying from Ottawa to District of Columbia, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in District of Columbia by month

Plan your trip to District of Columbia by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in District of Columbia ranges from 66.0 - 102.0 mm per month. May is typically the wettest month, when rainfall can reach 102.0 mm. February is typically the driest time to visit District of Columbia when rainfall is around 66.0 mm.

Temperature in District of Columbia by month

Plan your trip to District of Columbia by taking into account the average temperature totals by month.

If weather is an important factor for your trip to District of Columbia, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 2.0 C).

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 25 March 2025.
Read through reviews of airlines operating flights from Ottawa to District of Columbia, such as Delta, Porter Airlines and United Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,890 reviews
Check prices

Comfort

8.0

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,890 reviews
Delta
8.0
Very good
7,890 reviews
Check prices

Comfort

8.0

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Porter Airlines
7.9
Good
275 reviews
Delta
8.0
Very good
7,890 reviews
Check prices

Comfort

8.0

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,605 reviews
Delta
8.0
Very good
7,890 reviews
Check prices

Comfort

8.0

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
WestJet
7.2
Good
2,785 reviews
Delta
8.0
Very good
7,890 reviews
Check prices

Comfort

8.0

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Air Canada
7.0
Good
8,952 reviews
Delta
8.0
Very good
7,890 reviews
Check prices

Comfort

8.0

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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.

  • 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$ 178. Air Canada flights start at C$ 218 while deals on United Airlines start at C$ 282 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: Avianca (77%), GoJet (73%), Air Canada (73%).

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

    Looking at all options, your cheapest flight can be booked for C$ 236. While the most popular route (Ottawa - Washington, D.C. Dulles Intl) can be booked for C$ 382 on average our data indicates C$ 2,598 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, February is the cheapest month in which you can book a flight from Ottawa to District of Columbia (average of C$ 256). Flying from Ottawa to District of Columbia in October is currently the most expensive (average of C$ 352). 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

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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 25 March 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 214AverageC$ 774FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 325AverageC$ 563FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Porter AirlinesCheapestC$ 373AverageC$ 446FlexibilityNo cancel feeOn-time52%
Search Porter Airlines 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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