Ottawa

$195+ Cheap flights from Reagan-National (DCA) to Ottawa (YOW)

DCA — YOW
Dec 4 — Dec 111
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Reagan-National to Ottawa with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Reagan-National to Ottawa

Cheapest flights from Reagan-National to Ottawa

Tue 12/112:55 pm -
Nonstop1h 34m
Tue 12/85:40 pm -
1 stop4h 19m
Deal found 11/3$386
Thu 12/1012:55 pm -
Nonstop1h 34m
Sun 12/135:45 am -
1 stop4h 44m
Deal found 11/1$388
Sat 11/146:00 am -
1 stop5h 37m
Tue 11/179:00 am -
1 stop6h 24m
Deal found 10/31$398
Tue 12/1511:05 am -
1 stop4h 52m
Tue 12/2212:10 pm -
1 stop7h 48m
Deal found 10/31$437
Sat 11/2812:55 pm -
Nonstop1h 34m
Sat 12/510:30 am -
Nonstop1h 49m
Deal found 10/31$443
Tue 12/86:55 pm -
1 stop13h 25m
Wed 12/910:30 am -
Nonstop1h 49m
Deal found 11/1$449
Sat 12/1212:55 pm -
Nonstop1h 34m
Mon 12/145:40 pm -
1 stop4h 19m
Deal found 11/1$452

Find flight deals from Reagan-National to Ottawa

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$386
(VIAZA)

One-way from

$195
(Air Canada)

Popular in

February

Cheapest in

August

Average price

$490

Good round-trip deal

$470 or less
Provider with most accurate pricing for Washington, D.C. Reagan-National-Ottawa flight deals.
Provider most trusted by Cheapflights users for Washington, D.C. Reagan-National-Ottawa flights.
From Washington, D.C. Reagan-National to Ottawa
One-way flight from Washington, D.C. Reagan-National to Ottawa
Highest demand for flights based on searches. 24% potential increase in price ($173 potential increase over avg. RT price).
Cheapest flight prices on average. 13% potential price decrease ($63 potential savings vs. average RT price).
Average for round-trip flights in November 2026
Price to beat on a round-trip flight from Washington, D.C. Reagan-National to Ottawa.

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Ottawa that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

Washington, D.C.Ottawa

DCA Washington, D.C. Reagan-National - YOW Ottawa

DCAYOW

Washington, D.C. Reagan-National

Thu 12/10

12:55 pm-2:29 pm

Nonstop1h 34m

Ottawa

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$195

Washington, D.C.Ottawa

DCA Washington, D.C. Reagan-National - YOW Ottawa

DCAYOW

Washington, D.C. Reagan-National

Tue 12/1

12:55 pm-2:29 pm

Nonstop1h 34m

Ottawa

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$201

Washington, D.C.Ottawa

DCA Washington, D.C. Reagan-National - YOW Ottawa

DCAYOW

Washington, D.C. Reagan-National

Thu 12/17

4:00 pm-10:32 pm

1 stop6h 32m

Ottawa

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$204

Washington, D.C.Ottawa

DCA Washington, D.C. Reagan-National - YOW Ottawa

DCAYOW

Washington, D.C. Reagan-National

Sat 12/12

11:05 am-3:57 pm

1 stop4h 52m

Ottawa

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$204

Washington, D.C.Ottawa

DCA Washington, D.C. Reagan-National - YOW Ottawa

DCAYOW

Washington, D.C. Reagan-National

Thu 12/3

12:55 pm-2:29 pm

Nonstop1h 34m

Ottawa

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$204

Washington, D.C.Ottawa

DCA Washington, D.C. Reagan-National - YOW Ottawa

DCAYOW

Washington, D.C. Reagan-National

Sun 12/20

6:59 am-1:10 pm

1 stop6h 11m

Ottawa

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$228

Washington, D.C.Ottawa

DCA Washington, D.C. Reagan-National - YOW Ottawa

DCAYOW

Washington, D.C. Reagan-National

Sun 3/7

11:00 am-3:57 pm

1 stop4h 57m

Ottawa

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$239

Washington, D.C.Ottawa

DCA Washington, D.C. Reagan-National - YOW Ottawa

DCAYOW

Washington, D.C. Reagan-National

Tue 4/6

11:00 am-3:51 pm

1 stop4h 51m

Ottawa

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$250

Washington, D.C.Ottawa

DCA Washington, D.C. Reagan-National - YOW Ottawa

DCAYOW

Washington, D.C. Reagan-National

Tue 12/1

7:40 pm-2:09 pm

2 stops18h 29m

Ottawa

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$323

Washington, D.C.Ottawa

DCA Washington, D.C. Reagan-National - YOW Ottawa

DCAYOW

Washington, D.C. Reagan-National

Thu 11/19

6:00 am-9:47 am

1 stop3h 47m

Ottawa

Sun 11/22

10:30 am-12:19 pm

Nonstop1h 49m

$452

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/31

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

Compare providers for flights from Reagan-National to Ottawa

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Reagan-National to Ottawa in November.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy2 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Washington, D.C. Reagan-National Airport-Ottawa flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Reagan-National Airport-Ottawa flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Reagan-National Airport-Ottawa flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Reagan-National Airport-Ottawa flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Reagan-National Airport-Ottawa flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Reagan-National to Ottawa

Have a flexible travel schedule? Discover the best time to fly to Ottawa from Reagan-National with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Reagan-National Airport to Ottawa

What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to Ottawa?

Currently, August is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Ottawa (average of $377). Flying from Washington, D.C. Reagan-National Airport to Ottawa in February is currently the most expensive (average of $1,224). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from DCA to YOW?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Washington, D.C. Reagan-National Airport to Ottawa as you normally would.

How much does it cost to fly round-trip from Washington, D.C. Reagan-National Airport to Ottawa?

Airfare is below average for this route at the moment.

Washington, D.C. Reagan-National Airport to Ottawa flights typically cost between $470 and $618 in December.
The cheapest round-trip price found within the last 5 days was $386 on Air Canada (Dec 1-Dec 8).

Reviews of airlines servicing Ottawa

Read through reviews of airlines operating flights from Washington, D.C. Reagan-National Airport to Ottawa, such as United Airlines and Air Canada. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

7.1

Comfort

7.3

Food

6.7

Overall

7.3

Crew

8.1

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.

Entertainment

7.1

Comfort

7.3

Food

6.7

Overall

7.3

Crew

8.1

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.

Entertainment

7.1

Comfort

7.3

Food

6.7

Overall

7.3

Crew

8.1

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.

Related info for your journey

  • What airport do you fly into for flights to Ottawa from Washington, D.C. Reagan-National?

    Located just 6.6 mi from the city center, Ottawa is the airport most travelers will use when flying to Ottawa from Washington, D.C. Reagan-National. Booking flights from Washington, D.C. Reagan-National to Ottawa (YOW) should be relatively easy as there are 2 daily inbound flights from Washington, D.C. Reagan-National from 2 different airlines.

  • How long is the flight from Washington, D.C. Reagan-National Airport to Ottawa?

    A quick flight from Washington, D.C. Reagan-National Airport to Ottawa can take about 3h 47m. Air Canada provides one of the quickest options available for as low as $452. The distance from Washington, D.C. Reagan-National Airport to Ottawa is about 452 mi.

  • What are the cheapest airlines flying from Washington, D.C. Reagan-National Airport to Ottawa round-trip?

    Flying on Air Canada is currently your cheapest option to Ottawa, with prices starting at $187. Another option worth looking into is United Airlines, starting at $201 round trip. These flights start at 64% lower than the current average price 3 months from now.

  • What are the most reliable airlines from Washington, D.C. Reagan-National Airport to Ottawa?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Washington, D.C. Reagan-National Airport to Ottawa on time: Air Canada (92%), Jazz (92%), United Airlines (92%).

  • What are the cheapest flights from Washington, D.C. Reagan-National Airport to Ottawa?

    On average you can expect to pay $618 for a flight from Washington, D.C. Reagan-National Airport to Ottawa. The cheapest flight overall is $322 while the most popular route, (Washington, D.C. Reagan-National - Ottawa) is currently priced at $483.

  • Can I find deals for flights from Reagan-National to Ottawa that include hotel bookings?

    Yes. In addition to deals on Reagan-National to Ottawa flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Reagan-National to Ottawa?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Reagan-National to Ottawa.

  • Can I find deals for business class flights from Reagan-National to Ottawa?

    Yes. Cheapflights offers flight deals from Reagan-National to Ottawa by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to Ottawa?

    Currently, August is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Ottawa (average of $377). Flying from Washington, D.C. Reagan-National Airport to Ottawa in February is currently the most expensive (average of $1,224). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Ottawa?

Book flights to Ottawa if you plan to visit one of these locations
Gatineau

Browse thousands of different options on Cheapflights for your next trip

Top 2 airlines flying from Reagan-National to Ottawa

AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$187Average$470FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$201Average$514FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.