HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Reagan-National

$203+ Cheap flights from Ottawa (YOW) to Reagan-National (DCA)

YOW — DCA
Sep 23 — Sep 301
Wed 9/23
Wed 9/30
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ottawa to Reagan-National 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 Ottawa to Reagan-National

Cheapest flights from Ottawa to Reagan-National

Mon 9/1410:40 am -
Nonstop1h 34m
Wed 9/1612:55 pm -
Nonstop1h 32m
Deal found 8/23$321
Fri 12/410:30 am -
Nonstop1h 49m
Sun 12/612:55 pm -
Nonstop1h 34m
Deal found 8/20$343
Thu 9/1010:40 am -
Nonstop1h 34m
Sun 9/1312:55 pm -
Nonstop1h 32m
Deal found 8/19$352
Wed 11/410:30 am -
Nonstop1h 49m
Fri 11/612:55 pm -
Nonstop1h 34m
Deal found 8/22$353
Thu 9/1710:40 am -
Nonstop1h 34m
Sun 9/2012:55 pm -
Nonstop1h 32m
Deal found 8/23$355
Fri 10/910:35 am -
Nonstop1h 34m
Mon 10/126:00 am -
1 stop5h 30m
Deal found 8/21$361
Fri 9/1811:10 am -
1 stop4h 30m
Tue 9/224:20 pm -
1 stop4h 24m
Deal found 8/19$369

Find flight deals from Ottawa to Reagan-National

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$321
(SmartFares)

One-way from

$203
(Air Canada)

Popular in

July

Cheapest in

January

Average price

$404

Good round-trip deal

$349 or less

Good one-way deal

$240 or less
Provider with most accurate pricing for Ottawa-Washington, D.C. Reagan-National flight deals.
Search Deals
Provider most trusted by Cheapflights users for Ottawa-Washington, D.C. Reagan-National flights.
Search Deals
From Ottawa to Washington, D.C. Reagan-National
Search Deals
One-way flight from Ottawa to Washington, D.C. Reagan-National
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($56 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($8 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 Ottawa to Washington, D.C. Reagan-National.
Search Deals
Price to beat on a one-way flight from Ottawa to Washington, D.C. Reagan-National.
Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OttawaWashington, D.C.

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

YOWDCA

Ottawa

Fri 12/4

10:30 am-12:19 pm

Nonstop1h 49m

Washington, D.C. Reagan-National

Sun 12/6

6:00 am-9:47 am

1 stop3h 47m

$346
Quickest round-trip

OttawaWashington, D.C.

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

YOWDCA

Ottawa

Mon 9/21

10:40 am-12:14 pm

Nonstop1h 34m

Washington, D.C. Reagan-National

Mon 9/28

12:55 pm-2:27 pm

Nonstop1h 32m

$355

OttawaWashington, D.C.

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

YOWDCA

Ottawa

Fri 10/2

5:50 pm-9:50 pm

1 stop4h 00m

Washington, D.C. Reagan-National

Sun 10/4

12:50 pm-2:22 pm

Nonstop1h 32m

$361

OttawaWashington, D.C.

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

YOWDCA

Ottawa

Tue 9/22

6:25 am-8:09 pm

1 stop13h 44m

Washington, D.C. Reagan-National

Sat 9/26

9:30 am-9:35 pm

1 stop12h 05m

$376

OttawaWashington, D.C.

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

YOWDCA

Ottawa

Sun 9/20

5:57 pm-7:49 am

1 stop13h 52m

Washington, D.C. Reagan-National

Tue 10/20

12:50 pm-2:22 pm

Nonstop1h 32m

$378

OttawaWashington, D.C.

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

YOWDCA

Ottawa

Sat 9/26

6:25 am-2:23 pm

1 stop7h 58m

Washington, D.C. Reagan-National

Wed 9/30

6:30 am-9:35 pm

1 stop15h 05m

$378

OttawaWashington, D.C.

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

YOWDCA

Ottawa

Sun 9/20

6:25 am-12:08 pm

1 stop5h 43m

Washington, D.C. Reagan-National

Sun 9/27

6:30 am-9:35 pm

1 stop15h 05m

$378

OttawaWashington, D.C.

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

YOWDCA

Ottawa

Thu 9/24

6:25 am-12:08 pm

1 stop5h 43m

Washington, D.C. Reagan-National

Mon 9/28

3:30 pm-9:35 pm

1 stop6h 05m

$378

OttawaWashington, D.C.

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

YOWDCA

Ottawa

Tue 9/15

6:25 am-1:04 pm

1 stop6h 39m

Washington, D.C. Reagan-National

Sun 9/20

1:10 pm-9:35 pm

1 stop8h 25m

$378

OttawaWashington, D.C.

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

YOWDCA

Ottawa

Mon 9/21

5:57 pm-9:59 pm

1 stop4h 02m

Washington, D.C. Reagan-National

Mon 9/28

10:30 am-9:35 pm

1 stop11h 05m

$378

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/22

Showing 1-10 of 18 resultsSorted by cheapest first
1
2
  • Most accurate provider: When it comes to deals on Ottawa-Washington, D.C. Reagan-National Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ottawa-Washington, D.C. Reagan-National Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ottawa-Washington, D.C. Reagan-National Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ottawa-Washington, D.C. Reagan-National Airport 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 Ottawa-Washington, D.C. Reagan-National Airport 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 Ottawa to Reagan-National

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

Cheapflights Insights

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

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

Currently, January is the cheapest month in which you can book a flight from Ottawa to Washington, D.C. Reagan-National Airport (average of $260). Flying from Ottawa to Washington, D.C. Reagan-National Airport in July is currently the most expensive (average of $473). 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 YOW to DCA?

When flying from Ottawa to Washington, D.C. Reagan-National Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

Airfare is below average for this route at the moment.

Ottawa to Washington, D.C. Reagan-National Airport flights typically cost between $346 and $428 in September.
The cheapest round-trip price found within the last 5 days was $321 on Air Canada (Sep 14-Sep 16).

Reviews of airlines servicing Reagan-National

See what other customers who have flown with Air Canada from Ottawa to Washington, D.C. Reagan-National Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Canada
7.1
Good
11,527 reviews

Food

6.3

Overall

7.1

Boarding

7.3

Comfort

7.1

Entertainment

6.8

Crew

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

YYZ - LAS

It's was great and the crew are very nice, captain has a smooth land on the runway 👍
Air Canada
7.1
Good
11,527 reviews
Air Canada
7.1
Good
11,527 reviews

Food

6.3

Overall

7.1

Boarding

7.3

Comfort

7.1

Entertainment

6.8

Crew

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

YYZ - LAS

It's was great and the crew are very nice, captain has a smooth land on the runway 👍

Related info for your journey

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

    If you book a flight to Washington, D.C. Reagan-National from Ottawa, you will be flying from Ottawa, which is the city’s only airport. Ottawa (YOW) is located 6.6 mi from the center of Ottawa. There is 1 flight from Ottawa to Washington, D.C. Reagan-National per day from 1 airline.

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

    There are many flights that can get you from Ottawa to Washington, D.C. Reagan-National Airport in 1h 49m. Fly via Air Canada or United Airlines to get the fastest option. The distance from Ottawa to Washington, D.C. Reagan-National Airport is about 452 mi. This flight may include one or multiple stops.

  • What is the cheapest airline to fly from Ottawa to Washington, D.C. Reagan-National Airport round-trip?

    Flying on Air Canada is currently your cheapest option to Washington, D.C. Reagan-National Airport, with prices starting at $284. Air Canada is priced at 26% lower than the current average price of a flight leaving 3 months from now.

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

    Before booking your flight to Washington, D.C. Reagan-National Airport from Ottawa, check out the most reliable airlines to get you to your destination on time: Air Canada (69%), Jazz (69%), United Airlines( 69%).

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

    Looking for the cheapest flight from Ottawa to Washington, D.C. Reagan-National Airport? While on average our users pay $314, our data indicates the cheapest price to be $173. The most popular route (Ottawa - Washington, D.C. Reagan-National), is priced around $369.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Ottawa to Reagan-National 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 Ottawa to Washington, D.C. Reagan-National Airport?

    Currently, January is the cheapest month in which you can book a flight from Ottawa to Washington, D.C. Reagan-National Airport (average of $260). Flying from Ottawa to Washington, D.C. Reagan-National Airport in July is currently the most expensive (average of $473). 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 Washington, D.C. Reagan-National Airport?

Book flights to Washington, D.C. Reagan-National Airport if you plan to visit one of these locations
Alexandria
Owings Mills
Arlington
Tysons
Lanham
Reston
Herndon
Rockville
Hyattsville
Fredericksburg
Woodbridge
Falls Church
Hanover
Laurel
Springfield
Oxon Hill
Clinton
Hunt Valley
Silver Spring
Largo

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Ottawa to Reagan-National

Pearson Intl to Reagan-National flights
Pearson Intl to Dulles Intl flights
Pearson Intl to Baltimore flights
Ottawa to Baltimore flights
London to Dulles Intl flights

Top airline flying from Ottawa to Reagan-National

AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$284Average$349FlexibilityNo cancel feeOn-time67%

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.