HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ottawa

$173+ Cheap flights from Reagan-National (DCA) to Ottawa (YOW)

DCA — YOW
Sep 22 — Sep 291
Tue 9/22
Tue 9/29
1 adult, Economy
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

Sat 10/36:59 am -
1 stop10h 36m
Sat 10/1010:35 am -
Nonstop1h 34m
Deal found 8/19$369
Fri 10/212:40 pm -
Nonstop1h 32m
Sun 10/410:35 am -
Nonstop1h 34m
Deal found 8/19$375
Wed 9/236:59 am -
1 stop10h 36m
Sat 9/2610:40 am -
Nonstop1h 34m
Deal found 8/21$377
Tue 10/611:00 am -
1 stop13h 20m
Tue 10/136:25 pm -
1 stop14h 30m
Deal found 8/22$381
Sun 10/46:00 am -
1 stop5h 30m
Sat 10/1010:35 am -
Nonstop1h 34m
Deal found 8/20$383
Thu 9/106:00 am -
1 stop4h 35m
Mon 9/1410:40 am -
Nonstop1h 34m
Deal found 8/19$385
Fri 10/26:00 am -
1 stop4h 33m
Fri 10/910:35 am -
Nonstop1h 34m
Deal found 8/18$386

Find flight deals from Reagan-National to Ottawa

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$369
(Mytrip)

One-way from

$173
(SmartFares)

Popular in

February

Cheapest in

August

Average price

$377

Good round-trip deal

$272 or less

Good one-way deal

$205 or less
Provider with most accurate pricing for Washington, D.C. Reagan-National-Ottawa flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. Reagan-National-Ottawa flights.
Search Deals
From Washington, D.C. Reagan-National to Ottawa
Search Deals
One-way flight from Washington, D.C. Reagan-National to Ottawa
Search Deals
Highest demand for flights based on searches. 22% potential increase in price ($155 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 13% potential price decrease ($68 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
Search Deals
Price to beat on a round-trip flight from Washington, D.C. Reagan-National to Ottawa.
Search Deals
Price to beat on a one-way flight from Washington, D.C. Reagan-National to Ottawa.
Search Deals

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

Washington, D.C.Ottawa

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

DCAYOW

Washington, D.C. Reagan-National

Tue 10/6

4:20 pm-10:10 pm

1 stop5h 50m

Ottawa

Tue 10/13

10:35 am-12:09 pm

Nonstop1h 34m

$417

Washington, D.C.Ottawa

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

DCAYOW

Washington, D.C. Reagan-National

Thu 10/22

12:50 pm-2:22 pm

Nonstop1h 32m

Ottawa

Tue 10/27

10:30 am-12:19 pm

Nonstop1h 49m

$439
Quickest round-trip

Washington, D.C.Ottawa

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

DCAYOW

Washington, D.C. Reagan-National

Fri 10/2

12:40 pm-2:12 pm

Nonstop1h 32m

Ottawa

Wed 10/7

10:35 am-12:09 pm

Nonstop1h 34m

$439

Washington, D.C.Ottawa

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

DCAYOW

Washington, D.C. Reagan-National

Tue 9/15

12:55 pm-2:27 pm

Nonstop1h 32m

Ottawa

Wed 9/16

9:05 am-3:40 pm

1 stop6h 35m

$448

Washington, D.C.Ottawa

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

DCAYOW

Washington, D.C. Reagan-National

Wed 9/16

6:30 am-1:59 pm

1 stop7h 29m

Ottawa

Sat 9/19

10:40 am-12:14 pm

Nonstop1h 34m

$451

Washington, D.C.Ottawa

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

DCAYOW

Washington, D.C. Reagan-National

Tue 10/6

11:57 am-5:16 pm

1 stop5h 19m

Ottawa

Tue 10/13

6:01 pm-9:59 pm

1 stop3h 58m

$464

Washington, D.C.Ottawa

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

DCAYOW

Washington, D.C. Reagan-National

Wed 9/23

12:55 pm-2:27 pm

Nonstop1h 32m

Ottawa

Wed 9/23

5:57 pm-7:49 am

1 stop13h 52m

$476

Washington, D.C.Ottawa

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

DCAYOW

Washington, D.C. Reagan-National

Sat 9/26

12:55 pm-2:27 pm

Nonstop1h 32m

Ottawa

Tue 9/29

10:40 am-12:14 pm

Nonstop1h 34m

$493
Cheapest one-way
Quickest one-way

Washington, D.C.Ottawa

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

DCAYOW

Washington, D.C. Reagan-National

Thu 9/17

12:55 pm-2:27 pm

Nonstop1h 32m

$193

Washington, D.C.Ottawa

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

DCAYOW

Washington, D.C. Reagan-National

Sat 9/12

12:55 pm-2:27 pm

Nonstop1h 32m

$193

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/22

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 August.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 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 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 typical for this route at the moment.

Washington, D.C. Reagan-National Airport to Ottawa flights typically cost between $295 and $549 in October.
The cheapest round-trip price found within the last 5 days was $369 on Multiple Airlines (Oct 3-Oct 10).

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.
United Airlines
7.4
Good
10,112 reviews

Overall

7.4

Boarding

7.7

Crew

8.1

Comfort

7.3

Food

6.7

Entertainment

7.1

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.
United Airlines
7.4
Good
10,112 reviews
United Airlines
7.4
Good
10,112 reviews

Overall

7.4

Boarding

7.7

Crew

8.1

Comfort

7.3

Food

6.7

Entertainment

7.1

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.
Air Canada
7.1
Good
11,515 reviews
United Airlines
7.4
Good
10,112 reviews

Overall

7.4

Boarding

7.7

Crew

8.1

Comfort

7.3

Food

6.7

Entertainment

7.1

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 is 1 daily inbound flight 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 5h 50m. Air Canada provides one of the quickest options available for as low as $420. 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 65% 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 (72%), Jazz (72%), United Airlines (72%).

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

    On average you can expect to pay $329 for a flight from Washington, D.C. Reagan-National Airport to Ottawa. The cheapest flight overall is $101 while the most popular route, (Washington, D.C. Reagan-National - Ottawa) is currently priced at $411.

  • 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.

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$490FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$201Average$498FlexibilityNo 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.