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Cheap flights from Ottawa to Washington, D.C. from $209

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 5/2. 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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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
10:25 am - 12:01 pm
YOW
-
DCA
1h 36mnonstop
Air Canada Logo
12:55 pm - 2:27 pm
DCA
-
YOW
1h 32mnonstop
$327Air Canada
Tue, Apr 28 - Thu, Apr 30
Air Canada Logo
10:25 am - 12:01 pm
YOW
-
DCA
1h 36mnonstop
Air Canada Logo
12:55 pm - 2:27 pm
DCA
-
YOW
1h 32mnonstop
$328Air Canada
Fri, Apr 17 - Wed, Apr 22
Air Canada Logo
10:25 am - 12:01 pm
YOW
-
DCA
1h 36mnonstop
Air Canada Logo
6:00 am - 10:11 am
DCA
-
YOW
4h 11m
1 stop
$330Air Canada
Tue, Apr 28 - Thu, Apr 30
Air Canada Logo
10:25 am - 12:01 pm
YOW
-
DCA
1h 36mnonstop
Air Canada Logo
6:00 am - 10:11 am
DCA
-
YOW
4h 11m
1 stop
$332Air Canada
Fri, Apr 17 - Wed, Apr 22
Air Canada Logo
4:00 pm - 9:55 pm
YOW
-
DCA
5h 55m
1 stop
Air Canada Logo
6:00 am - 10:11 am
DCA
-
YOW
4h 11m
1 stop
$334Air Canada
Mon, Apr 13 - Mon, Apr 20
Air Canada Logo
5:45 am - 10:19 am
YOW
-
DCA
4h 34m
1 stop
Air Canada Logo
6:00 am - 10:11 am
DCA
-
YOW
4h 11m
1 stop
$335Air Canada
Sun, Apr 26 - Thu, Apr 30
Air Canada Logo
12:00 pm - 6:03 pm
YOW
-
DCA
6h 03m
1 stop
Air Canada Logo
6:00 am - 10:11 am
DCA
-
YOW
4h 11m
1 stop
$340Air Canada
Fri, Apr 17 - Wed, Apr 22
Air Canada Logo
10:25 am - 12:01 pm
YOW
-
DCA
1h 36mnonstop
Air Canada Logo
12:45 pm - 2:17 pm
DCA
-
YOW
1h 32mnonstop
$358Air Canada
Fri, May 1 - Fri, May 8
Air Canada Logo
5:50 pm - 9:55 pm
YOW
-
DCA
4h 05m
1 stop
Air Canada Logo
12:45 pm - 2:17 pm
DCA
-
YOW
1h 32mnonstop
$361Air Canada
Fri, May 1 - Fri, May 8
Air Canada Logo
10:25 am - 12:01 pm
YOW
-
DCA
1h 36mnonstop
Air Canada Logo
12:45 pm - 2:17 pm
DCA
-
YOW
1h 32mnonstop
$364Air Canada
Sun, May 31 - Thu, Jun 4

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
United Airlines
Apr 23
YOW5:25 pmOttawa
5h 23m
1 stop
DCA10:48 pmWashington, D.C. Reagan-National
Apr 27
DCA6:00 pmWashington, D.C. Reagan-National
4h 05m
1 stop
YOW10:05 pmOttawa
$409
United Airlines
Apr 13
YOW5:25 pmOttawa
5h 23m
1 stop
DCA10:48 pmWashington, D.C. Reagan-National
Apr 22
DCA7:30 amWashington, D.C. Reagan-National
9h 37m
1 stop
YOW5:07 pmOttawa
$410
United Airlines
Apr 13
YOW3:10 pmOttawa
6h 21m
1 stop
DCA9:31 pmWashington, D.C. Reagan-National
Apr 22
DCA10:30 amWashington, D.C. Reagan-National
6h 37m
1 stop
YOW5:07 pmOttawa
$422

Air Canada flights from Ottawa to Washington, D.C. Reagan-National Airport

Our best Air Canada deals on Ottawa to Washington, D.C. Reagan-National Airport flight tickets
Air Canada
Apr 28
YOW10:25 amOttawa
1h 36m
DCA12:01 pmWashington, D.C. Reagan-National
Apr 30
DCA12:55 pmWashington, D.C. Reagan-National
1h 32m
YOW2:27 pmOttawa
$327
Air Canada
Apr 17
YOW10:25 amOttawa
1h 36m
DCA12:01 pmWashington, D.C. Reagan-National
Apr 22
DCA12:55 pmWashington, D.C. Reagan-National
1h 32m
YOW2:27 pmOttawa
$328
Air Canada
Apr 28
YOW10:25 amOttawa
1h 36m
DCA12:01 pmWashington, D.C. Reagan-National
Apr 30
DCA6:00 amWashington, D.C. Reagan-National
4h 11m
1 stop
YOW10:11 amOttawa
$330

momondo Fare Finder

 
Customize your flight search to find flights from Ottawa to Washington, D.C. Reagan-National Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated March 17, 2026.
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
Quickest round-trip

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Tue 4/28

10:25 am-12:01 pm

Nonstop1h 36m

Washington, D.C. Reagan-National

Thu 4/30

12:55 pm-2:27 pm

Nonstop1h 32m

$327

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Fri 4/17

10:25 am-12:01 pm

Nonstop1h 36m

Washington, D.C. Reagan-National

Wed 4/22

12:55 pm-2:27 pm

Nonstop1h 32m

$328

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Tue 4/28

10:25 am-12:01 pm

Nonstop1h 36m

Washington, D.C. Reagan-National

Thu 4/30

6:00 am-10:11 am

1 stop4h 11m

$330

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Fri 4/17

10:25 am-12:01 pm

Nonstop1h 36m

Washington, D.C. Reagan-National

Wed 4/22

6:00 am-10:11 am

1 stop4h 11m

$332

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Mon 4/13

4:00 pm-9:55 pm

1 stop5h 55m

Washington, D.C. Reagan-National

Mon 4/20

6:00 am-10:11 am

1 stop4h 11m

$334

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Sun 4/26

5:45 am-10:19 am

1 stop4h 34m

Washington, D.C. Reagan-National

Thu 4/30

6:00 am-10:11 am

1 stop4h 11m

$335

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Fri 4/17

12:00 pm-6:03 pm

1 stop6h 03m

Washington, D.C. Reagan-National

Wed 4/22

6:00 am-10:11 am

1 stop4h 11m

$340

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Fri 5/1

10:25 am-12:01 pm

Nonstop1h 36m

Washington, D.C. Reagan-National

Fri 5/8

12:45 pm-2:17 pm

Nonstop1h 32m

$358

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Fri 5/1

5:50 pm-9:55 pm

1 stop4h 05m

Washington, D.C. Reagan-National

Fri 5/8

12:45 pm-2:17 pm

Nonstop1h 32m

$361

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Sun 5/31

10:25 am-12:01 pm

Nonstop1h 36m

Washington, D.C. Reagan-National

Thu 6/4

12:45 pm-2:17 pm

Nonstop1h 32m

$364

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 January is, on average, the cheapest month to fly to Washington, D.C. Reagan-National Airport from Ottawa, with most prices found around $260. If you aren’t able to travel to Washington, D.C. Reagan-National Airport during the month of January, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $331.

What is the cheapest day to depart on your flight to Washington, D.C. Reagan-National Airport?

The cheapest day to depart from Ottawa to Washington, D.C. Reagan-National Airport is on a Saturday. Travelers who choose to depart for Washington, D.C. Reagan-National Airport on a Saturday will often find tickets for as low as $330. Flights from Ottawa to Washington, D.C. Reagan-National Airport on a Tuesday will generally be more expensive and average around $771. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

What cabin class options are available on Ottawa to Washington, D.C. Reagan-National flights?

There are 3 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.

How have Ottawa to Washington, D.C. Reagan-National Airport flight prices changed over time?

When to book flights from Ottawa to Washington, D.C. Reagan-National Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Ottawa to Washington, D.C. Reagan-National Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

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

Fastest flight time

1h 36m

Direct flights

Every day
The fastest flight from Ottawa to Washington, D.C. Reagan-National Airport takes 1h 36m
Direct flights go from Ottawa to Washington, D.C. Reagan-National Airport every day.
Search flight deals

  • How far is Ottawa to Washington, D.C. Reagan-National by plane?

    A flight from Ottawa to Washington, D.C. Reagan-National will travel around 458.3 mi. In terms of flight time, this usually takes a little over 1h 36m.

  • 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 were last updated today.

  • How many operators does momondo search for flights from Ottawa Airport to Washington, D.C. Reagan-National Airport?

  • How old do you have to be to fly from Ottawa Airport to Washington, D.C. Reagan-National Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for 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 travel and health documents required for your trip to Washington, D.C. Reagan-National Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington, D.C. Reagan-National Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Ottawa to Washington, D.C. Reagan-National Airport?

  • What is the most popular airline from Ottawa to Washington, D.C. Reagan-National Airport?

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
Air CanadaPriceFrom $296Free CancellationRating
7.1
10,811 reviews
Search Air Canada flights

  • Air Canada Flights From Ottawa to Washington, D.C. Reagan-National Airport

    Air Canada flight deals from Ottawa to Washington, D.C. Reagan-National Airport start from $296 round-trip. Over the 6 Air Canada flights for this route in a normal week, average airfare is usually $368 round-trip - but some users have found much cheaper deals with momondo.

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Gettysburg
Arlington
Waldorf
Woodbridge
Colonial Beach
Laurel
Towson
Gaithersburg
Silver Spring
Fredericksburg
Rockville
Tysons
Manassas
Springfield
Linthicum Heights
Bethesda
Fairfax
Reston

Why use momondo?

Why should I use momondo to find a flight deal from Ottawa to Washington, D.C.?

It is quick and easy to find Ottawa to Washington, D.C. flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Washington, D.C. that suits you.

Can I find flights from Ottawa to Washington, D.C. with flexible booking policies on momondo?

Flights from Ottawa to Washington, D.C. with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Ottawa to Washington, D.C.?

momondo provides multiple filters to help you find the best flight to Washington, D.C. from Ottawa. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Ottawa to Washington, D.C. right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Washington, D.C. from Ottawa. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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