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Cheap Flights from Washington D.C. to Ottawa

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Compare Washington D.C. to Ottawa flight deals

Find the cheapest month or even day of the year to fly to Ottawa

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Flight deals from Washington D.C. to Ottawa

Looking for a cheap last-minute deal or the best return flight from Washington D.C. to Ottawa? Find the lowest prices on one-way and return tickets right here.
Ottawa.217 € per passenger.Departing Sun, 25 May, returning Thu, 29 May.Return flight with Porter Airlines (Canada) Ltd.Outbound indirect flight with Porter Airlines (Canada) Ltd, departs from Washington Dulles on Sun, 25 May, arriving in Ottawa International.Inbound indirect flight with Porter Airlines (Canada) Ltd, departs from Ottawa International on Thu, 29 May, arriving in Washington Dulles.Price includes taxes and charges.From 217 €, select.
Ottawa.217 € per passenger.Departing Sun, 25 May, returning Mon, 2 Jun.Return flight with Porter Airlines (Canada) Ltd.Outbound indirect flight with Porter Airlines (Canada) Ltd, departs from Washington Dulles on Sun, 25 May, arriving in Ottawa International.Inbound indirect flight with Porter Airlines (Canada) Ltd, departs from Ottawa International on Mon, 2 Jun, arriving in Washington Dulles.Price includes taxes and charges.From 217 €, select.
Ottawa.219 € per passenger.Departing Wed, 18 Jun, returning Mon, 23 Jun.Return flight with Porter Airlines (Canada) Ltd.Outbound indirect flight with Porter Airlines (Canada) Ltd, departs from Washington Dulles on Wed, 18 Jun, arriving in Ottawa International.Inbound indirect flight with Porter Airlines (Canada) Ltd, departs from Ottawa International on Mon, 23 Jun, arriving in Washington Dulles.Price includes taxes and charges.From 219 €, select.
Ottawa.232 € per passenger.Departing Wed, 30 Apr, returning Sun, 4 May.Return flight with Porter Airlines (Canada) Ltd.Outbound indirect flight with Porter Airlines (Canada) Ltd, departs from Washington Dulles on Wed, 30 Apr, arriving in Ottawa International.Inbound indirect flight with Porter Airlines (Canada) Ltd, departs from Ottawa International on Sun, 4 May, arriving in Washington Dulles.Price includes taxes and charges.From 232 €, select.
Ottawa.232 € per passenger.Departing Thu, 1 May, returning Sat, 3 May.Return flight with Air Canada.Outbound direct flight with Air Canada departs from Washington Ronald Reagan on Thu, 1 May, arriving in Ottawa International.Inbound direct flight with Air Canada departs from Ottawa International on Sat, 3 May, arriving in Washington Ronald Reagan.Price includes taxes and charges.From 232 €, select.
Ottawa.237 € per passenger.Departing Sat, 26 Apr, returning Tue, 29 Apr.Return flight with Porter Airlines (Canada) Ltd.Outbound indirect flight with Porter Airlines (Canada) Ltd, departs from Washington Dulles on Sat, 26 Apr, arriving in Ottawa International.Inbound indirect flight with Porter Airlines (Canada) Ltd, departs from Ottawa International on Tue, 29 Apr, arriving in Washington Dulles.Price includes taxes and charges.From 237 €, select.
Ottawa.281 € per passenger.Departing Wed, 11 Jun, returning Wed, 2 Jul.Return flight with Porter Airlines (Canada) Ltd.Outbound indirect flight with Porter Airlines (Canada) Ltd, departs from Washington Dulles on Wed, 11 Jun, arriving in Ottawa International.Inbound indirect flight with Porter Airlines (Canada) Ltd, departs from Ottawa International on Wed, 2 Jul, arriving in Washington Dulles.Price includes taxes and charges.From 281 €, select.
Ottawa.312 € per passenger.Departing Wed, 13 Aug, returning Fri, 15 Aug.Return flight with Porter Airlines (Canada) Ltd.Outbound indirect flight with Porter Airlines (Canada) Ltd, departs from Washington Dulles on Wed, 13 Aug, arriving in Ottawa International.Inbound indirect flight with Porter Airlines (Canada) Ltd, departs from Ottawa International on Fri, 15 Aug, arriving in Washington Dulles.Price includes taxes and charges.From 312 €, select.

Find the cheapest month to fly from Washington D.C. to Ottawa

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Washington D.C. to Ottawa flights are currently cheapest in May.
Apr
from 237 €
May
from 217 €
Jun
from 219 €
Jul
from 312 €
Aug
from 312 €
Sep
from 504 €
Oct
from 572 €
Nov
from 563 €
Dec
Find prices
Jan
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Feb
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Mar
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Direct flights from Washington D.C. to Ottawa

Alternative Washington D.C. to Ottawa routes

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

Washington D.C. to Ottawa: Flight information

The things to know before you go.
Cheapest flight found217 €
Cheapest month to flyMay
Average flight time1 hr, 37 mins
Most popular airlineUnited
Average flights per week73

Finding cheap flights from Washington D.C. 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 D.C. to Ottawa is 217 €. 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 37 minutes is the average flight time from Washington D.C. to Ottawa.
United, Air Canada and GoJet Airlines fly direct from Washington D.C. to Ottawa.
As of April 2025, there are 73 flights per week flying from Washington D.C. to Ottawa.
The cheapest month to fly from Washington D.C. to Ottawa is usually April 2025.
If you're flying from Washington D.C., 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 217 €.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Washington D.C. to Ottawa on Sunday, 25 May 2025.
Yes – the average flight time is 1 hour and 37 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 April, the average temperature is usually around 6°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.
The cheapest airline that flies to Ottawa is Porter Airlines (Canada) Ltd. And the cheapest airline that flies to Ottawa Gatineau Airport is Air Canada.

Travelling from Washington DC to Ottawa: what you need to know

  • You can choose from a range of airports when planning your flight from Washington DC to Ottawa. Check out your options for leaving Washington DC from Ronald Reagan National Airport (DCA), Washington Dulles International Airport (IAD) and Baltimore/Wash International Thurgood Marshall Airport (BWI).

  • Disembark at Ottawa's primary hub, Ottawa/Macdonald-Cartier International Airport (YOW).

  • On average, direct flights from Washington DC to Ottawa take 1 hour 37 minutes. Ottawa and Washington DC are in the same timezone (UTC-4), meaning you won't have to adjust your watch after you land.

  • Ronald Reagan National Airport (DCA) to Ottawa/Macdonald-Cartier International Airport (YOW) is the most popular route that connects these two cities. There are 10 weekly departures to choose from. If you prefer a later start to the day, the last flight from Washington DC to Ottawa is with Air Canada at 12:55. Opt for the first DCA to YOW departure with Air Canada at 12:55 if you want to get going early.

  • Give yourself enough time to catch your flight from Washington DC to Ottawa. Generally, it's best to arrive two hours before international departures and an hour ahead for domestic flights.

  • During popular months such as July, it's a good idea to get to the airport earlier than normal. Arrive two hours before a domestic departure and four hours ahead for an international flight whenever you're flying during a peak period in general.

  • If you hold a passport from United States and want to travel to Canada for tourism purposes, you won't need a visa. However, visa and entry requirements may differ based on the reason for your trip and can be subject to change. For the latest information, contact your destination's nearest embassy or consulate before reserving a cheap flight from Washington DC to Ottawa.

Flying from Washington DC

Ronald Reagan National Airport (DCA)

  • You can reserve a direct flight from Washington DC to Ottawa taking off from Ronald Reagan National Airport (DCA). Start your journey at DCA and touch down at Ottawa/Macdonald-Cartier International Airport (YOW).

  • You'll find a direct flight from Washington DC to Ottawa with Air Canada. This popular carrier operates services from DCA.

  • Think about adding a stopover to possibly find a cheaper flight from Washington DC to Ottawa. Simply deselect 'Direct flights only' when searching for departures from Ronald Reagan National Airport. Take a break from travelling at one of these popular options:

    • Pearson International Airport (YYZ)

    • Montreal-Pierre Elliott Trudeau International Airport (YUL)

    • Newark Liberty International Airport (EWR)

  • DCA is around 8 kilometres from central Washington DC. If you're ride-sharing, catching a cab or driving from the centre, it'll take you 16 minutes or so to get there, depending on traffic conditions. If you're planning to take public transport, expect the travel time to be approximately 43 minutes.

  • Searching for a convenient hotel near Ronald Reagan National Airport? If you're boarding an early flight from Washington DC to Ottawa, these accommodation options will put you moments from your check-in counter:

Washington Dulles International Airport (IAD)

  • It's also possible to take a direct flight from Washington DC to Ottawa departing Washington Dulles International Airport (IAD). Connections from IAD will take you to Ottawa/Macdonald-Cartier International Airport (YOW).

  • United Airlines has direct flights from Washington DC to Ottawa out of IAD. Book your preferred seat and get to your destination without any detours.

  • Visit friends or family or just take a moment to freshen up with a stopover. If you'd like to split up your flight from Washington DC to Ottawa, here's where you can stop when taking off from Ronald Reagan National Airport:

    • Pearson International Airport (YYZ)

    • Montreal-Pierre Elliott Trudeau International Airport (YUL)

    • Newark Liberty International Airport (EWR)

  • With public transport, you can travel from central Washington DC to IAD in around 3 hours and 26 minutes. The airport is roughly 56 kilometres away, and getting there by car will take approximately 51 minutes.

  • Start your holiday early with an additional night away from home. Before your flight from Washington DC to Ottawa, stay in one of these hotels close to Washington Dulles International Airport:

Arriving in Ottawa

Ottawa Gatineau Airport (YND)

  • Ottawa Gatineau Airport (YND) is around 24 kilometres from central Ottawa. With your own car rental or in a cab, the drive is around 22 minutes.

  • Getting to the centre on public transport will take you roughly 1 hour and 41 minutes.

  • If you're arriving on a late flight from Washington DC to Ottawa, nothing beats the convenience of staying close to the terminal. Collect your bags from the carousel and then be showered and sleeping not long after at one of these accommodation options near YND:

Ottawa/Macdonald-Cartier International Airport (YOW)

  • Ottawa/Macdonald-Cartier International Airport (YOW) is around 13 kilometres from central Ottawa. After your flight from Washington DC to Ottawa, allow for a drive time of approximately 19 minutes to get to the heart of the city.

  • If you're travelling on public transport, it'll take about 43 minutes.

  • After your flight from Washington DC to Ottawa, tuck yourself in at a hotel close to YOW. These are some great options that'll help you get into relaxation mode:

How to find the cheapest flights from Washington DC to Ottawa

  • Right now, 87 € is the lowest price we've found for a one-way ticket from Washington DC to Ottawa. The cheapest price for a return flight is 217 €. Remember fares may change due to availability at the time of booking.

  • Book 11 months before you travel. After crunching the numbers on our calendar, this is how far you should book ahead to secure cheap tickets from Washington DC to Ottawa.

  • July is the cheapest month for tickets from Washington DC to Ottawa. If you're looking to travel during a different time of year, the 'Whole month' tool will give you the lowest prices for every month.

  • Snapping up a cheap ticket from Washington DC to Ottawa is a breeze with Price Alerts. Simply create one of these automatic alerts and we'll let you know when there's a better deal.

  • Tailor your trip using filters. Select your arrival and departure times, airlines and total journey duration. You can also sort results by 'Cheapest,' 'Fastest' or 'Best' flights from Washington DC to Ottawa.

Best time to go to Ottawa

  • Plan your trip to Ottawa in peak season if you prefer a vibrant atmosphere, but remember that prices are usually higher. Alternatively, book flights from Washington DC to Ottawa in the off-season when prices are cheaper and it's not as busy.

  • Lock in your flight from Washington DC to Ottawa for July if you want to visit the city during its warmest month. Expect temperatures in Ottawa to range from 13ºC to 27ºC.

  • If you'd rather travel in cooler conditions, look for a cheap ticket from Washington DC to Ottawa in January when temperatures average between -19ºC and -2ºC.

More about Ottawa

  • When it comes to searching for somewhere to rest your head, you'll find the best stays in Ottawa right here. Check out these options as soon as you've booked your flight from Washington DC to Ottawa:

  • Parliament Hill and Rideau Canal are just the start of the major attractions to put on your Ottawa must-do list. Keep the sightseeing going at National Gallery of Canada.

Complete your Ottawa trip with a car rental

  • We use the same magic that helped you find your cheap flight from Washington DC to Ottawa to track down incredible deals on car rentals. Search for your ride in seconds and easily compare your options. Plus we give you all the info you need to drive in Ottawa, from the most popular car type to the average daily price.

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.