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Flight tickets from Washington Dulles to Ottawa

Compare Washington Dulles to Ottawa flight deals

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Flight deals from Washington Dulles to Ottawa

Looking for a cheap last-minute deal or the best return flight from Washington Dulles Airport to Ottawa? If you want to travel next month, return fares start from ₹ 33,570. Find the lowest prices on one-way and return tickets right here.
Ottawa.₹ 13,798 per passenger.Departing Sun, 19 Jul.One-way flight with Porter Airlines.Outbound indirect flight with Porter Airlines, departs from Washington Dulles on Sun, 19 Jul, arriving in Ottawa International.Price includes taxes and charges.From ₹ 13,798, select.
Ottawa.₹ 13,807 per passenger.Departing Mon, 8 Jun.One-way flight with Porter Airlines.Outbound indirect flight with Porter Airlines, departs from Washington Dulles on Mon, 8 Jun, arriving in Ottawa International.Price includes taxes and charges.From ₹ 13,807, select.
Ottawa.₹ 14,217 per passenger.Departing Mon, 25 May.One-way flight with Porter Airlines.Outbound indirect flight with Porter Airlines, departs from Washington Dulles on Mon, 25 May, arriving in Ottawa International.Price includes taxes and charges.From ₹ 14,217, select.
Ottawa.₹ 14,499 per passenger.Departing Sun, 1 Nov.One-way flight with Porter Airlines.Outbound indirect flight with Porter Airlines, departs from Washington Dulles on Sun, 1 Nov, arriving in Ottawa International.Price includes taxes and charges.From ₹ 14,499, select.
Ottawa.₹ 15,825 per passenger.Departing Sun, 9 Aug.One-way flight with Porter Airlines.Outbound indirect flight with Porter Airlines, departs from Washington Dulles on Sun, 9 Aug, arriving in Ottawa International.Price includes taxes and charges.From ₹ 15,825, select.
Ottawa.₹ 15,850 per passenger.Departing Sun, 3 Jan.One-way flight with Porter Airlines.Outbound indirect flight with Porter Airlines, departs from Washington Dulles on Sun, 3 Jan, arriving in Ottawa International.Price includes taxes and charges.From ₹ 15,850, select.
Ottawa.₹ 17,853 per passenger.Departing Thu, 8 Oct.One-way flight with Porter Airlines.Outbound indirect flight with Porter Airlines, departs from Washington Dulles on Thu, 8 Oct, arriving in Ottawa International.Price includes taxes and charges.From ₹ 17,853, select.
Ottawa.₹ 19,408 per passenger.Departing Tue, 22 Sep.One-way flight with Porter Airlines.Outbound indirect flight with Porter Airlines, departs from Washington Dulles on Tue, 22 Sep, arriving in Ottawa International.Price includes taxes and charges.From ₹ 19,408, select.
Ottawa.₹ 20,564 per passenger.Departing Sat, 26 Dec.One-way flight with Porter Airlines.Outbound indirect flight with Porter Airlines, departs from Washington Dulles on Sat, 26 Dec, arriving in Ottawa International.Price includes taxes and charges.From ₹ 20,564, select.
Ottawa.₹ 21,782 per passenger.Departing Sat, 15 Aug.One-way flight with United.Outbound direct flight with United departs from Washington Dulles on Sat, 15 Aug, arriving in Ottawa International.Price includes taxes and charges.From ₹ 21,782, select.
Ottawa.₹ 21,857 per passenger.Departing Sun, 31 May.One-way flight with United.Outbound direct flight with United departs from Washington Dulles on Sun, 31 May, arriving in Ottawa International.Price includes taxes and charges.From ₹ 21,857, select.
Ottawa.₹ 21,879 per passenger.Departing Wed, 24 Jun.One-way flight with United.Outbound direct flight with United departs from Washington Dulles on Wed, 24 Jun, arriving in Ottawa International.Price includes taxes and charges.From ₹ 21,879, select.
Ottawa.₹ 21,894 per passenger.Departing Thu, 9 Jul.One-way flight with United.Outbound direct flight with United departs from Washington Dulles on Thu, 9 Jul, arriving in Ottawa International.Price includes taxes and charges.From ₹ 21,894, select.
Ottawa.₹ 22,033 per passenger.Departing Tue, 8 Sep.One-way flight with United.Outbound direct flight with United departs from Washington Dulles on Tue, 8 Sep, arriving in Ottawa International.Price includes taxes and charges.From ₹ 22,033, select.
Ottawa.₹ 22,091 per passenger.Departing Fri, 16 Oct.One-way flight with United.Outbound direct flight with United departs from Washington Dulles on Fri, 16 Oct, arriving in Ottawa International.Price includes taxes and charges.From ₹ 22,091, select.

Find the cheapest month to fly from Washington Dulles to Ottawa

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Washington Dulles to Ottawa flights are currently cheapest in July.
May
from ₹ 14,217
Jun
from ₹ 13,807
Jul
from ₹ 13,798
Aug
from ₹ 15,825
Sep
from ₹ 19,408
Oct
from ₹ 17,853
Nov
from ₹ 14,499
Dec
from ₹ 20,564
Jan
from ₹ 15,850
Feb
Find prices
Mar
Find prices
Apr
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Direct flights from Washington Dulles to Ottawa

Alternative Washington Dulles to Ottawa routes

Looking for the cheapest, fastest or easiest route from Washington Dulles to Ottawa? You could fly into the following airports instead.

Ottawa International

11km from central Ottawa
ClosestCheapest
from ₹ 13,798
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Ottawa Gatineau

15km from central Ottawa
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Washington D.C. to Ottawa: Flight information

The things to know before you go.
Cheapest flight found₹ 13,798
Cheapest month to flyJuly
Average flight time1 hr, 42 mins
Most popular airlineUnited
Average flights per week168

Finding cheap flights from Washington Dulles to Ottawa: Frequently asked questions

There are 2 airports in Ottawa: Ottawa International and Ottawa Gatineau.
The best price we found for a return flight from Washington Dulles to Ottawa is ₹ 33,123. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
1 hour and 42 minutes is the average flight time from Washington Dulles to Ottawa.
United, Republic Airways and Air Canada fly direct from Washington Dulles to Ottawa.
As of May 2026, there are 84 flights per week flying from Washington Dulles to Ottawa.
The cheapest month to fly from Washington Dulles to Ottawa is usually July.
If you're flying from Washington Dulles Airport, the cheapest airport near Ottawa is Ottawa International – which is 11.2 km away from the centre of Ottawa. We've found flights into this airport from ₹ 33,123.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Washington Dulles Airport to Ottawa on Sunday, 19 July 2026.
Yes – the average flight time is 1 hour and 42 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Ottawa but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Ottawa is around 40 days in advance, so don’t leave your flight to the last minute.
In May, the average temperature is usually around 12°C. July is typically the warmest month in Ottawa, when it usually averages around 25°C. You can expect the least rain in February. The coldest month is January, with temperatures averaging -16°C. The rainiest month is June.
Currently, Porter Airlines and United offer the cheapest flight tickets to Ottawa.

Travelling from Washington Dulles International Airport (IAD) to Ottawa: what you need to know

  • Around 1 hour 45 minutes is how long you can expect to be in the air on a direct flight from Washington Dulles International Airport to Ottawa.

  • Ottawa and Washington DC (where Washington Dulles International Airport is located) share the UTC-5 timezone. That means you won't have to adjust your watch after you land.

  • Washington Dulles International Airport (IAD) to Ottawa Macdonald-Cartier International Airport (YOW) is the most popular route, with 25 weekly flights to pick from. If you have things to do before leaving, the last flight from IAD to YOW is with United Airlines at 22:15. Choose the first departure with United Airlines at 08:17 if you want to fly out earlier.

  • For a stress-free journey, turn up at the airport two hours ahead of international flights and an hour before domestic departures. This will give you plenty of time to catch your IAD to Ottawa flight.

  • During popular months like June, you'll want to get to the airport earlier than usual. Arrive two hours before a domestic departure and four hours ahead for international flights when you travel during a peak period in general.

  • You can book a direct Washington Dulles International Airport to Ottawa ticket. Start your journey at IAD and end it at Ottawa Macdonald-Cartier International Airport (YOW).

  • United Airlines is a leading airline that operates direct flights from Washington Dulles International Airport to Ottawa.

  • Consider adding a stopover to potentially unlock a cheaper plane ticket from IAD to Ottawa. All you need to do is uncheck 'Direct flights only' during your search. Give yourself a breather (and maybe even a better deal) by stopping at one of these connecting airports:

    • Newark Liberty International Airport (EWR)

    • Toronto Pearson International Airport (YYZ)

    • Montreal-Trudeau International Airport (YUL)

  • IAD is about 40 kilometres from central Washington DC. If you're ride-sharing, driving or catching a taxi from the centre, it'll take 45 minutes or so to get there, depending on traffic. If you're taking public transport, expect the trip time to be around 1 hour 10 minutes.

  • Want a stress-free start to your travels? Stay near IAD. Whether you're boarding an early flight from Washington Dulles International Airport to Ottawa or just don't want to be rushed, these hotels are a convenient choice:

  • When it comes to the on-time performance of Washington Dulles International Airport, 77% of flights complete their journey on time.

  • IAD is located at 1 Saarinen Circle.

How to find the cheapest flights from Washington Dulles International Airport (IAD) to Ottawa

  • The lowest price we've seen for a one-way Washington Dulles International Airport to Ottawa flight is ₹ 13,798. The cheapest price for a return flight is ₹ 33,123. Remember fares can change due to demand at the time of booking.

  • To pick up cheap flights from IAD to Ottawa, book in advance. Airlines generally offer lower fares when flights are first released.

  • The 'Whole month' search tool will show you the cheapest tickets from Washington Dulles International Airport to Ottawa across each month. It's a good way to find a bargain if your dates aren't set in stone.

  • Finding a cheap flight from IAD to Ottawa is easy with Price Alerts. Simply set up one of these automatic notifications and we'll let you know as soon as a new discount appears.

  • Save on your flight from Washington Dulles International Airport to Ottawa with the help of our filters. Select your ideal times, airlines and number of stops, then sort the results by 'Cheapest' to see the best deals.

Airports in Ottawa

Ottawa Macdonald-Cartier International Airport (YOW)

  • Ottawa Macdonald-Cartier International Airport (YOW) is around 14 kilometres from central Ottawa. If you're catching a taxi or a ride-share, the drive takes about 20 minutes.

  • Getting there on public transport will take you around 35 minutes.

  • The last thing you want is a lengthy journey to your hotel if you're arriving on a late flight from Washington Dulles International Airport to Ottawa. Stay at one of these accommodation options near YOW instead:

  • To get the lowest price, reserve your ride from Ottawa Macdonald-Cartier International Airport around two weeks ahead of your flight from IAD to Ottawa.

  • You'll find YOW at 50 Airport Road.

Best time to go to Ottawa

  • January is the quietest month for flights from Washington Dulles International Airport to Ottawa, while July is the busiest. Choose the ideal time to go to Ottawa based on whether you want a laid-back vibe or a more bustling atmosphere.

  • When booking your Washington Dulles International Airport to Ottawa plane ticket, think about the kind of weather forecast you're hoping for. July is the warmest month in Ottawa, with temperatures ranging from 14ºC to 28ºC.

  • Search for cheap tickets from IAD to Ottawa in January if you'd rather travel during cooler conditions. Temperatures are at their lowest then, ranging between -19ºC and -2ºC on average.

More about Ottawa

  • Once you've booked your flight from Washington Dulles International Airport to Ottawa, find a hotel that offers both comfort and a great location. Make one of these accommodation options your base for exploring Ottawa:

  • Parliament Hill and Rideau Canal National Historic Site are just the start of the leading attractions to add to your Ottawa must-do list. Keep the adventure rolling by checking out Rideau Canal, Locks 1 - 8 - Ottawa.

Explore more of Canada

  • Toronto is just one of the many cities in Canada waiting to be explored after you've experienced Ottawa. Around 354 kilometres away to the southwest, its best attractions include CN Tower, The Top CN Tower and Royal Ontario Museum.

  • Around 153 kilometres east of Ottawa, Montreal is another favourite stop in Canada. Get a taste of what this destination has to offer at Cirque du Soleil - KURIOS, Montreal Botanical Garden and Saint Joseph's Oratory of Mount Royal.

Plan the rest of your trip from Washington D.C. to Ottawa

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.