Cheap flight deals from Washington D.C. to Ottawa

We've found these cheap flights for you. You can book one-way or round-trip flight tickets.

Round-trip
One way

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

When is the cheapest time to fly from Washington D.C. to Ottawa?

We monitor flight fares to help you find the best deals effortlessly

Cheapest flights

From price

6 13
13 20
20 27
May

27 4
4 11
11 18
18 25
Jun

25 1
1 8
8 15
15 22
22 29

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

When are flight tickets from Washington D.C. (WAS) to Ottawa (YOW) the cheapest?

Airlines adjust prices for flights from Washington D.C. to Ottawa based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.
How much do flights from Washington D.C. (WAS) to Ottawa (YOW) cost?

According to Trip.com's data, the lowest price is around Rp 6,195,826.
How long does it take to fly from Washington D.C. (WAS) to Ottawa (YOW) and what is the distance?

It takes around 1 hour 38 minutes to fly from Washington D.C. (WAS) to Ottawa (YOW).
What is the transportation method from the main airport to downtown in Ottawa?
- The distance from Ottawa Macdonald-Cartier International Airport to downtown is about 11 km. It takes about 30 minutes by taxi.
What are the most popular airlines that fly from Washington D.C. (WAS) to Ottawa (YOW)?

Airlines with flights from Washington D.C. (WAS) to Ottawa (YOW): United Airlines, Air Canada and avianca.

How to find a cheap flight from Washington D.C. to Ottawa

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Washington D.C. to Ottawa. Book your flights at the right time and save more.

Be flexible with your travel dates to get the cheapest Washington D.C. to Ottawa ticket.

Tap "Date" in the flight search bar to browse the calendar and find airfare from Washington D.C. to Ottawa for the next six months in 2025. If you're looking to fly within the next three months, the lowest fare is Rp 1616602 for a one-way ticket on Wed, May 7.

Compare cheap Washington D.C. to Ottawa flight deals from hundreds of airlines.

Our powerful search system compares prices from over 500 airlines. So you can find the cheapest flights from Washington D.C. to Ottawa. The most affordable airline currently operating on this route is Air Canada.

Set up a Price Alert to track fare drops.

Set up a Price Alert for your Washington D.C. to Ottawa route to track ticket prices effortlessly—no need to check manually every day.

Don't miss out on cheap Washington D.C. to Ottawa flight deals and promo codes.

Stay updated on the latest deals with Trip.com Deals and Promo Codes for cheap flights. Sign up for a free membership to unlock even more exclusive flight discounts.

Book early or wait unitl the last minute to fine the best fares.

It's always better to book early! Airlines typically release their lowest fares about a year before departure, so check as soon as flights become available. If you miss that window, you may still find great deals closer to your travel date.

Search for flights on the go.

For the best booking experience on the go, download Trip.com and search for cheap flights from Washington D.C. to Ottawa to access exclusive deals just for you.

Flight Info | Washington D.C. to Ottawa

Cheapest one-way flight price	Rp 1,352,900
Cheapest round-trip ticket price	Rp 3,402,889
Off-season for travel	April
Peak season for travel	June
Flight distance	724.15 km
Average flight time	1 hour 38 minutes
Popular airline	Porter Airlines