Cheap Flights from Ottawa to District of Columbia from $468 Return

Flight deals from Ottawa to District of Columbia

Looking for cheap tickets from Ottawa to District of Columbia, or a last-minute trip? Find the lowest prices on one-way and return tickets right here.

Washington D.C..$468 per passenger.Departing Thu, 28 Aug, returning Tue, 2 Sep.Return flight with Air Canada.Outbound direct flight with Air Canada departs from Ottawa International on Thu, 28 Aug, arriving in Washington Ronald Reagan.Inbound direct flight with Air Canada departs from Washington Ronald Reagan on Tue, 2 Sep, arriving in Ottawa International.Price includes taxes and charges.From $468, select.

Flying from Ottawa to District of Columbia

Arm yourself with these facts on the fly.

Cheapest flight found	$468, Washington D.C.
Cheapest month to fly	August
Average flight time	1 hr, 45 mins
Cheapest airport to fly from	Ottawa International
Most popular airline	United

How to find cheap flights from Ottawa to District of Columbia

We've compared the best online travel agents and flight providers on the internet to find the cheapest plane tickets from Ottawa to District of Columbia. Other savvy travellers recently found return flights from $468 and one-way tickets from $271 one-way. Ready to join them? Here are a few tips to help you do it the smart way.

Fly from Ottawa International into Washington D.C.

At the moment, the lowest priced flight tickets to District of Columbia are from Ottawa International Airport to Washington Dulles Airport.

Fly in September

We crunched the flight calendar and found the cheapest time to fly from Ottawa to District of Columbia is currently September.

Fly on a Wednesday

From our data, we can see that Wednesday seems to be the cheapest time to fly from Ottawa to District of Columbia.

Flex your dates for the best rates

If you’re flexible on your departure dates, you can use Skyscanner's whole month tool to find the cheapest day of the year to fly from Ottawa to anywhere you choose in District of Columbia.

Watch as fares rise and fall

With Price Alerts, we'll let you know when flight prices from Ottawa to District of Columbia go up or down so you can book when the time is just right.

Relax – these are fee-free flight tickets

With us, there are no added fees – the Ottawa to District of Columbia flight price you see when you search with us is what you pay to the provider.

Frequently asked questions

What's the average Ottawa to District of Columbia flight price?

We looked at all of the upcoming return flights from Ottawa to District of Columbia we could find over the next 12 months. It looks like $468 is the best price. This is good, compared to the average District of Columbia ticket price of $468.

What is the cheapest month to fly from Ottawa to District of Columbia?

The cheapest month to fly from Ottawa to District of Columbia is currently August.

Which upcoming date is cheapest to fly from Ottawa to District of Columbia on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Ottawa to District of Columbia on Thursday, 28 August 2025.

Are there any direct flights from Ottawa to District of Columbia?

Ottawa International Airport offers direct flights to District of Columbia.

If I'm flying from Ottawa, where in District of Columbia is cheapest to fly into?

If you're flying from Ottawa, the cheapest city in District of Columbia to fly into is Washington D.C.. The cheapest airport serving Washington D.C. at the moment is Washington Ronald Reagan.