Cheap Flights from Ottawa to Washington Dulles from ₹ 12,356

Compare Ottawa to Washington Dulles flight deals

Find the cheapest month or even day of the year to fly to Washington Dulles

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Flight deals from Ottawa to Washington Dulles

Looking for a cheap last-minute deal or the best return flight from Ottawa to Washington Dulles? Find the lowest prices on one-way and return tickets right here.

Washington D.C..₹ 12,350 per passenger.Departing Tue, 1 Apr.One-way flight with Air Canada.Outbound direct flight with Air Canada departs from Ottawa International on Tue, 1 Apr, arriving in Washington Dulles.Price includes taxes and charges.From ₹ 12,350, select.

Washington D.C..₹ 14,478 per passenger.Departing Sun, 30 Mar.One-way flight with Air Canada.Outbound direct flight with Air Canada departs from Ottawa International on Sun, 30 Mar, arriving in Washington Dulles.Price includes taxes and charges.From ₹ 14,478, select.

Washington D.C..₹ 14,759 per passenger.Departing Thu, 1 May.One-way flight with Air Canada.Outbound indirect flight with Air Canada, departs from Ottawa International on Thu, 1 May, arriving in Washington Dulles.Price includes taxes and charges.From ₹ 14,759, select.

Washington D.C..₹ 16,522 per passenger.Departing Wed, 7 May.One-way flight with United.Outbound direct flight with United departs from Ottawa International on Wed, 7 May, arriving in Washington Dulles.Price includes taxes and charges.From ₹ 16,522, select.

Washington D.C..₹ 17,131 per passenger.Departing Thu, 5 Jun.One-way flight with Porter Airlines (Canada) Ltd.Outbound indirect flight with Porter Airlines (Canada) Ltd, departs from Ottawa International on Thu, 5 Jun, arriving in Washington Dulles.Price includes taxes and charges.From ₹ 17,131, select.

Washington D.C..₹ 17,232 per passenger.Departing Thu, 5 Jun.One-way flight with Air Canada.Outbound direct flight with Air Canada departs from Ottawa International on Thu, 5 Jun, arriving in Washington Dulles.Price includes taxes and charges.From ₹ 17,232, select.

Washington D.C..₹ 18,987 per passenger.Departing Tue, 14 Oct.One-way flight with Air Canada.Outbound direct flight with Air Canada departs from Ottawa International on Tue, 14 Oct, arriving in Washington Dulles.Price includes taxes and charges.From ₹ 18,987, select.

Washington D.C..₹ 23,191 per passenger.Departing Sat, 5 Jul.One-way flight with United.Outbound direct flight with United departs from Ottawa International on Sat, 5 Jul, arriving in Washington Dulles.Price includes taxes and charges.From ₹ 23,191, select.

Find the cheapest month to fly from Ottawa to Washington Dulles

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Ottawa to Washington Dulles flights are currently cheapest in April.

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Direct flights from Ottawa to Washington Dulles

Ottawa to Washington Dulles: Alternative routes

Compare routes from Ottawa to Washington D.C. below. You may find an airport to fly into that's cheaper, faster, or easier than Washington Dulles.

Ottawa to Washington D.C.: Flight information

The things to know before you go.

Cheapest flight found	₹ 12,356
Cheapest month to fly	April
Average flight time	1 hr, 44 mins
Most popular airline	Air Canada
Average flights per week	55

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

How much are return flights from Ottawa to Washington Dulles?

The best price we found for a return flight from Ottawa to Washington Dulles is ₹ 22,468. 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.

How long does it take to fly from Ottawa to Washington Dulles?

1 hour and 44 minutes is the average flight time from Ottawa to Washington Dulles.

Which airlines fly direct from Ottawa to Washington Dulles?

Air Canada, United and GoJet Airlines fly direct from Ottawa to Washington Dulles.

How many flights are there a week from Ottawa to Washington Dulles?

As of March 2025, there are 55 flights per week flying from Ottawa to Washington Dulles.

When is the cheapest time to fly from Ottawa to Washington Dulles?

The cheapest month to fly from Ottawa to Washington Dulles is usually March 2025.

Which upcoming date is cheapest to fly from Ottawa to Washington Dulles Airport on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Ottawa to Washington Dulles Airport on Tuesday, 8 April 2025.

Can I get a direct flight from Ottawa to Washington Dulles Airport?

Yes – the average flight time is 1 hour and 44 minutes.

How can I find the best flight deal to Washington Dulles?

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 Washington Dulles 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.

When is the best time to book flights to Washington D.C.?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Washington D.C. is around 40 days in advance, so don’t leave your flight to the last minute.

Which is the cheapest airline to fly from Ottawa to Washington Dulles with?

The cheapest airline that flies to Washington Dulles is Air Canada .

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

Ottawa/Macdonald-Cartier International Airport (YOW) is Ottawa's main airport. Check out your options for reserving a flight from Ottawa to Washington Dulles International Airport (IAD) departing from here.
1 hour 45 minutes is the average duration of a direct flight from Ottawa to Washington Dulles International Airport.
Ottawa and Washington DC (where Washington Dulles International Airport is located) share the UTC-4 timezone. That means you won't need to adjust your watch once you arrive.
With 29 direct weekly flights between the two airports, Ottawa/Macdonald-Cartier International Airport (YOW) to Washington Dulles International Airport (IAD) is the busiest route. United operates the earliest flight at 09:45. If you'd like to get more out of your day before jetting off, the last flight from YOW to IAD is with United at 19:32.
To ensure you get on your flight from Ottawa to IAD, leave enough time to check in and find your gate. Turning up two hours before international departures and one hour before domestic flights is the general rule.
Popular months like August or other peak seasons mean longer waiting times and potential delays. Stick to your schedule by arriving at the airport even earlier. Plan for at least four hours ahead of an international flight and two hours before a domestic departure.

Airports in Ottawa

Ottawa/Macdonald-Cartier International Airport (YOW)

Ottawa/Macdonald-Cartier International Airport (YOW) provides a hassle-free way to reach your destination. Nonstop flights from Ottawa to Washington Dulles International Airport (IAD) take off from this terminal.
United is a popular airline that offers direct flights from Ottawa to Washington Dulles International Airport jetting out of YOW.
YOW is approximately 13 kilometres from the centre of Ottawa. To work out how to get there, use Google Maps. This essential traveller tool will show you the fastest route and your public transport options.
Looking for a handy hotel near Ottawa/Macdonald-Cartier International Airport? If you're boarding an early flight from Ottawa to Washington Dulles International Airport, these accommodation options will put you moments from your departure lounge:

About Washington Dulles International Airport (IAD)

Consider booking a hotel close to IAD if you have a late flight from Ottawa to Washington Dulles International Airport. Check in to one of these accommodation options and avoid the hassle of a long transfer:

Getting from Washington Dulles International Airport (IAD) to central Washington DC

From Washington Dulles International Airport, Washington DC is approximately 56 kilometres away. It takes around 51 minutes to reach the centre driving.
If you're travelling by public transport, expect a journey time of about 3 hours and 26 minutes.

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

The best price we've found for a one-way ticket from Ottawa to Washington Dulles International Airport is ₹ 12,356. The cheapest price for a return flight is ₹ 22,456. Keep in mind fares may change due to demand at the time of booking.
To score flight tickets from Ottawa to IAD, book early. Airlines generally offer their most competitively priced fares when flights are first made available.
If you're flexible with your travel plans, check out the 'Whole month' tool. It'll find the lowest price across each month when searching for your ticket from Ottawa to Washington Dulles International Airport.
Create a Price Alert and keep track of changes on this route through email or push notifications. You'll be the first to know when the fares drop. Timing matters when searching for flight tickets from Ottawa to IAD.
Make the most of the filters to find your ideal journey. To see the 'Cheapest,' 'Best' or 'Fastest' flights from Ottawa to Washington Dulles International Airport, use the 'Sort by' function. You can also filter results by departure and arrival times, airline, and number of stops.

The best time to fly from Ottawa to Washington Dulles International Airport (IAD)

July is the most popular month for flights from Ottawa to Washington Dulles International Airport. To skip the crowds, head to Washington DC in February when things are quieter.
When booking your flight from Ottawa to IAD, think about the kind of weather you enjoy. July is the warmest month in Washington DC, with temperatures ranging from 19ºC to 33ºC.
If you'd rather travel in cooler conditions, search for a cheap flight from Ottawa to Washington Dulles International Airport in January when temperatures average between -6ºC and 10ºC.

More about Washington DC

When it comes to searching for somewhere to lay your head, you'll find the top stays in Washington DC right here. Check out these options as soon as you've booked your flight from Ottawa to Washington Dulles International Airport:
White House Historical Association and The White House are just the start of the major attractions to add to your Washington DC must-do list. Keep the sightseeing going at National Mall.

Complete your Washington DC trip with a car rental

Finding you a cheap flight from Ottawa to Washington Dulles International Airport isn't the only thing we're good at. Browse our car rentals in Washington DC and have more freedom to explore. We search for deals from trusted car rental companies and put them all in one place. Instantly compare rates and then book with no fees.