Cheap flights from Ottawa to Washington, D.C. from C$ 243
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ottawa to Washington, D.C. departing on 28/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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United Airlines flights from Ottawa to Washington, D.C. Reagan-National Airport
Our best United Airlines deals on Ottawa to Washington, D.C. Reagan-National Airport flight tickets
Delta flights from Ottawa to Washington, D.C. Reagan-National Airport
Our best Delta deals on Ottawa to Washington, D.C. Reagan-National Airport flight tickets
See travel insights to Washington, D.C. from
How to get the cheapest flight ticket from Ottawa to Washington, D.C. Reagan-National Airport
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Washington, D.C. Reagan-National Airport?
The month of March is, on average, the cheapest month to fly to Washington, D.C. Reagan-National Airport from Ottawa, with most prices found around C$ 443. If you don’t want to visit Washington, D.C. Reagan-National Airport in March, then you should wait until April to fly from Ottawa, when ticket prices are also cheap, with an average price of C$ 451.
What is the cheapest day to depart on your flight to Washington, D.C. Reagan-National Airport?
On average, the least expensive day to fly to Washington, D.C. Reagan-National Airport from Ottawa is on a Friday. momondo users have found tickets for Friday departures for as low as C$ 559. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Ottawa to Washington, D.C. Reagan-National Airport for around C$ 902.
What is the cheapest time of day to depart on your flight to Washington, D.C. Reagan-National Airport?
Our data shows that the cheapest Ottawa to Washington, D.C. Reagan-National Airport flights are usually those with departure times in the evening. Our users have found flights to Washington, D.C. Reagan-National Airport in the evening for as low as C$ 610. Flights in the morning are often more expensive with an average ticket price of C$ 781.
What is the cheapest Ottawa to Washington, D.C. Reagan-National flight route?
Fly from Ottawa to Washington, D.C. Reagan-National for the best Ottawa - Washington, D.C. Reagan-National flight prices
How far in advance should I book a flight to Washington, D.C. Reagan-National Airport?
You are more likely to see cheaper flights to Washington, D.C. Reagan-National Airport from Ottawa when booking 16 weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Reagan-National Airport for around C$ 514 when searching 16 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Reagan-National Airport from Ottawa for as low as C$ 324 on momondo.
What cabin class options are available on Ottawa to Washington, D.C. Reagan-National flights?
There are 2 cabin classes available to choose from on Ottawa to Washington, D.C. Reagan-National flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
Can stopping save me money on Ottawa to Washington, D.C. Reagan-National Airport flights?
You could potentially save up to 11% on your flight if you consider stops on a Ottawa to Washington, D.C. Reagan-National Airport flight.
How have Ottawa to Washington, D.C. Reagan-National Airport flight prices changed over time?
How many flights depart from Ottawa to Washington, D.C. Reagan-National Airport on average per day?
The number of flights available between Ottawa and Washington, D.C. Reagan-National Airport is 1 per day as of June 2025. The most frequent departure time is 10:00a.m., with 100% of daily flights leaving at noon.
How many flights depart from Ottawa to Washington, D.C. Reagan-National Airport on average per week?
8 flights are operational weekly from Ottawa to Washington, D.C. Reagan-National Airport as of June 2025. The most popular departure day for this route is Wed, with 25% of flights per week taking off on this day.
When to book flights from Ottawa to Washington, D.C. Reagan-National Airport
Cheap Ottawa to Washington, D.C. Reagan-National Airport (YOW to DCA) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Ottawa to Washington, D.C. Reagan-National Airport
How far is Ottawa to Washington, D.C. Reagan-National by plane?
The distance between Ottawa and Washington, D.C. Reagan-National is about 737.6 km. A reasonable flight in good conditions will take 1h 38m.
When did momondo last update prices for flights from Ottawa Airport to Washington, D.C. Reagan-National Airport?
Prices for flights from Ottawa Airport to Washington, D.C. Reagan-National Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Ottawa Airport to Washington, D.C. Reagan-National Airport?
There are 2 operators available for flights from Ottawa Airport to Washington, D.C. Reagan-National Airport as of June 2025.
How old do you have to be to fly from Ottawa Airport to Washington, D.C. Reagan-National Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ottawa Airport to Washington, D.C. Reagan-National Airport.
What documentation or ID do you need to fly to Washington, D.C. Reagan-National Airport?
The necessary travel and health documents for your Washington, D.C. Reagan-National Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Ottawa to Washington, D.C. Reagan-National Airport?
Based on momondo bookings for flights between Ottawa and Washington, D.C. Reagan-National Airport, the leading plane model is Canadair (Bombardier) Regional Jet CRJ-550, making up 49.37% of the total bookings. Other popular models include Canadair (Bombardier) Regional Jet 900 with 33.33%, Embraer 195 E2 with 4.76%, and Boeing 787-9 Dreamliner with 2.01%.
What is the most popular airline from Ottawa to Washington, D.C. Reagan-National Airport?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Ottawa to Washington, D.C. Reagan-National Airport is Air Canada (83% of total bookings). The next most popular airline is United Airlines (17%).
Best airlines flying from Ottawa to Washington, D.C. Reagan-National Airport
Compare and see reviews for airlines that fly from Ottawa to Washington, D.C. Reagan-National Airport with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom C$ 205 | Free Cancellation | Rating 7.4 8,790 reviews | |||
| PriceFrom C$ 317 | Free Cancellation | Rating 7.1 9,537 reviews |
United Airlines Flights From Ottawa to Washington, D.C. Reagan-National Airport
The lowest priced United Airlines flight from Ottawa to Washington, D.C. Reagan-National Airport from the last 72 hours was C$ 150. Generally, United Airlines has 6 flights on this route every week with an average price of C$ 323. United Airlines is rated 7.4/10 by our users.
Air Canada Flights From Ottawa to Washington, D.C. Reagan-National Airport
Another popular option for Ottawa to Washington, D.C. Reagan-National Airport flights is Air Canada (7.1/10, 9,537 ratings). Air Canada flies from Ottawa to Washington, D.C. Reagan-National Airport around 2 times per week, with deals starting from C$ 232 round-trip and rising to an average price of around C$ 388.
Travelling to a place near Washington, D.C.?
Book flights to Washington, D.C. if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Ottawa to Washington, D.C.?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Ottawa to Washington, D.C. for you.
Can I find flights from Ottawa to Washington, D.C. with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for Ottawa to Washington, D.C. flights to just show those with flexible booking policies.
How can momondo help me find flights from Ottawa to Washington, D.C.?
Once you have performed a search for Ottawa to Washington, D.C. flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from Ottawa to Washington, D.C. right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Ottawa to Washington, D.C. now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Washington, D.C. and let you know when they change.