Cheap flights from Ottawa to Washington Dulles Intl

Round-trip
Economy
Ottawa (YOW)
Washington (IAD)
Depart
Return
Any month
Compare vs. Cheapflights |

How to find the cheapest flight from
Ottawa (YOW) to Washington Dulles Intl (IAD)

All the information you need to plan the best YOW to IAD flight in 2021: compare Ottawa to Washington Dulles Intl flight prices with the expected peak season, weather and rainfall in Washington Dulles Intl.
YOW - IAD
Price
C$ 360 - C$ 734
IAD
Temperature
8 - 31 °C
IAD
Rainfall
64 - 113 mm

Popular in

August

High demand for flights, 39% potential price rise

Cheapest in

October

Best time to find cheap flights, 20% potential price drop

Round-trip from

C$ 360

From Ottawa to Washington Dulles Intl

One-way from

C$ 252

One-way flight from Ottawa to Washington Dulles Intl

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
How far in advance should I book a flight from Ottawa to Washington Dulles Intl?

Find a great deal and save up to 81% by booking at least 55 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Ottawa to Washington Dulles Intl within the next two weeks, with the cheapest ticket starting at C$ 427.

What is the cheapest month to fly from Ottawa to Washington Dulles Intl?

April is one of the best times of the year to fly to Washington Dulles Intl from Ottawa. Prices for April average C$ 335 per person but you can even find prices for as low as C$ 240. The most expensive prices can be found in the month of January. Opting for a April flight can save you 10% on your journey compared to booking in April

Cheap flights from Ottawa to Washington Dulles Intl in April, May 2021

The best prices found for YOW to IAD flights for April, May
17 May - 20 May
C$ 479pp
YOW
Ottawa
Air Canada
   
2 STOPS
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
Air Canada
   
2 STOPS
YOW
Ottawa
30 Apr - 30 May
C$ 657pp
YOW
Ottawa
Air Canada
   
2 STOPS
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
Air Canada
   
2 STOPS
YOW
Ottawa
30 Apr - 22 Jul
C$ 701pp
YOW
Ottawa
Air Canada
   
2 STOPS
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
Air Canada
 
1 STOP
YOW
Ottawa

Ottawa to Washington Dulles Intl 2021 flight deals

Cheap flights to Washington Dulles Intl from Ottawa found for this year
12 Sep - 26 Sep
C$ 416pp
YOW
Ottawa
Porter Airlines
 
1 STOP
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
Porter Airlines
 
1 STOP
YOW
Ottawa
1 Aug - 10 Aug
C$ 443pp
YOW
Ottawa
Porter Airlines
 
1 STOP
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
Porter Airlines
 
1 STOP
YOW
Ottawa
3 Jun - 24 Jun
C$ 452pp
YOW
Ottawa
Air Canada
 
1 STOP
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
Air Canada
   
2 STOPS
YOW
Ottawa

Direct flights to Washington Dulles Intl from Ottawa

Save time with Ottawa to Washington Dulles Intl direct flight deals
1 Aug - 10 Aug
C$ 452pp
YOW
Ottawa
Air Canada
Direct
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
Air Canada
Direct
YOW
Ottawa
12 Sep - 26 Sep
C$ 454pp
YOW
Ottawa
Air Canada
Direct
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
Air Canada
Direct
YOW
Ottawa
3 Jun - 23 Jun
C$ 576pp
YOW
Ottawa
United Airlines
Direct
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
United Airlines
Direct
YOW
Ottawa

Last minute flights from Ottawa to Washington Dulles Intl

Late deals on round-trip flights to Washington Dulles Intl from Ottawa, departing today and this week
30 Apr - 30 May
C$ 657pp
YOW
Ottawa
Air Canada
   
2 STOPS
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
Air Canada
   
2 STOPS
YOW
Ottawa
30 Apr - 22 Jul
C$ 701pp
YOW
Ottawa
Air Canada
   
2 STOPS
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
Air Canada
 
1 STOP
YOW
Ottawa
30 Apr - 30 May
C$ 906pp
YOW
Ottawa
Air Canada
   
2 STOPS
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
Air Canada
   
2 STOPS
YOW
Ottawa

One-way flights to Washington Dulles Intl from Washington Dulles Intl

The cheapest one-way flights from Ottawa to Washington Dulles Intl
10:45 a.m. - 12:24 p.m.
Air Canada
Direct
1h 39m
YOW - IAD
Air Canada
C$ 259
Air Canada
10:45 a.m. - 12:24 p.m.
United Airlines
Direct
1h 39m
YOW - IAD
United Airlines
C$ 314
United
7:30 a.m. - 11:46 a.m.
Air Canada
1 stop
4h 16m
YOW - IAD
Air Canada
C$ 253
Air Canada

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Ottawa</span> to <span class="emphasized">Washington Dulles Intl</span> flights.

Flight FAQs

From Ottawa to Washington Dulles Intl

What airport do you fly from for flights from Ottawa to Washington Dulles Intl?

Ottawa (YOW) is the airport you will fly out of if you book a flight from Ottawa to Washington Dulles Intl. You should not have trouble finding flights to Washington Dulles Intl from Ottawa; the airport handles an average of 0 outbound flights to Washington Dulles Intl per day. You should also have plenty of airline options to choose from since 3 airlines have flights from the Ottawa airport to Washington Dulles Intl. It is only a 10.6 km journey to Ottawa (YOW) from Ottawa’s city center.

Which airlines flying from Ottawa to Washington Dulles Intl have flexible cancellations due to COVID-19?

Porter Airlines, United Airlines, and Air Canada are some of the carriers that may have flexible cancellation policies. You can use our site to filter for other airlines that may also have this kind of flexibility.

Can I find flights from Ottawa to Washington Dulles Intl for under C$ 502 on Cheapflights?

Yes, there are multiple flights from Ottawa to Washington Dulles Intl for under C$ 502. The cheapest flight booked recently is on Porter Airlines for just C$ 416, but on average you can expect to pay C$ 511.

Are there direct flights from Ottawa to Washington Dulles Intl for under C$ 502 on Cheapflights?

Cheapflights has 4 direct flights from Ottawa to Washington Dulles Intl under C$ 502. A good price for a direct flight from Ottawa to Washington Dulles Intl is less than C$ 514.

Are there last-minute flights available from Ottawa to Washington Dulles Intl for under C$ 753?

There are currently 7+ open flights from Ottawa to Washington Dulles Intl within the next 7 days for less than C$ 753.

Does it rain more in Ottawa or Washington Dulles Intl?

Expected rainfall in Ottawa is same as in Washington Dulles Intl. You can expect this to be the case over the next 16 days.

Is Ottawa weather warmer or cooler than Washington Dulles Intl?

Temperatures around the 31 °C's can be experienced in July. The weather in Washington Dulles Intl is hotter than in Ottawa. Plan for potential changes in flight availability as peak weather approaches in this location.

How long is the flight from Ottawa to Washington Dulles Intl?

Departing from Ottawa to Washington Dulles Intl will take you 1h 39m. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

What are the cheapest airlines to flying from Ottawa to Washington Dulles Intl round-trip?

Flying on Porter Airlines is currently your cheapest option to Washington Dulles Intl, with prices starting at C$ 417. Additional round-trip tickets that might be worth considering are offered by Air Canada and United Airlines, with the lowest prices starting at C$ 452 and C$ 501, respectively. Porter Airlines is priced at 7% lower than the current average price of a flight leaving 3 months from now.

What are the cheapest airlines to fly from Ottawa to Washington Dulles Intl one-way?

To fly one-way, consider booking your trip with Air Canada, which is currently one of the cheapest options available, starting at C$ 253. Air Canada is not the only option available. At the moment, United Airlines is another option, for C$ 314.

Alternative routes for Ottawa to Washington Dulles Intl

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

Destination information for Washington Dulles Intl

Things to know before you go - useful duration and weather info for your trip from Ottawa to Washington Dulles Intl.
Today's exchange rate
C$ 1 = $0.80
Flight duration
1h 35m
Average temperature for April in Washington Dulles Intl
21.0 °C
Avg rainfall for April in Washington Dulles Intl
93.0 mm

Airports servicing Ottawa

Airports servicing Washington

Top 3 airlines flying from Ottawa to Washington Dulles Intl

The chart below displays the airlines Cheapflights users travelling from Ottawa to Washington Dulles Intl choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Porter Airlines
C$ 204 C$ 316 No cancel fee 52%
Search Porter Airlines flights
United Airlines
C$ 277 C$ 586 No cancel fee 69%
Search United Airlines flights
Air Canada
C$ 353 C$ 827 No cancel fee 67%
Search Air Canada flights
Home North America USA Washington Washington Dulles Intl Cheap flights from Ottawa to Washington Dulles Intl
  • Round-trip
  • One-way
  • Multi-city
  • Economy
  • Premium Economy
  • Business
  • First
  • Multiple
Economy
  • Economy
  • Premium Economy
  • Business
  • First
Economy
  • Economy
  • Premium Economy
  • Business
  • First
Economy
  • Economy
  • Premium Economy
  • Business
  • First
Economy
  • Economy
  • Premium Economy
  • Business
  • First
Economy
  • Economy
  • Premium Economy
  • Business
  • First
Economy
  • Economy
  • Premium Economy
  • Business
  • First