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Cheap flights from Ottawa to Washington, D.C. from $194

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 11/2. 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

Air Canada Logo
10:30 am - 12:19 pmYOW-DCA
1h 49mnonstop
Air Canada Logo
12:55 pm - 2:30 pmDCA-YOW
1h 35mnonstop
$321Air Canada
Find Deal
jue., oct. 30 - jue., nov. 6
Air Canada Logo
10:30 am - 12:19 pmYOW-DCA
1h 49mnonstop
Air Canada Logo
6:00 am - 12:22 pmDCA-YOW
6h 22m1 stop
$323Air Canada
Find Deal
jue., oct. 30 - jue., nov. 6
Air Canada Logo
10:50 am - 3:56 pmYOW-DCA
5h 06m1 stop
Air Canada Logo
6:00 am - 12:22 pmDCA-YOW
6h 22m1 stop
$324Air Canada
Find Deal
jue., oct. 30 - jue., nov. 6
Air Canada Logo
10:50 am - 3:56 pmYOW-DCA
5h 06m1 stop
Air Canada Logo
12:55 pm - 2:30 pmDCA-YOW
1h 35mnonstop
$328Air Canada
Find Deal
mié., oct. 29 - mié., nov. 5
United Airlines Logo
6:05 am - 10:28 amYOW-DCA
4h 23m1 stop
United Airlines Logo
8:30 am - 2:04 pmDCA-YOW
5h 34m1 stop
$342United Airlines
Find Deal
vie., oct. 10 - dom., oct. 12
Lufthansa Logo
6:05 am - 10:28 amYOW-DCA
4h 23m1 stop
Lufthansa Logo
7:00 am - 11:45 amDCA-YOW
4h 45m1 stop
$352Lufthansa
Find Deal
vie., oct. 10 - dom., oct. 12
Logo
2:48 pm - 8:36 pmYOW-DCA
5h 48m1 stop
Logo
6:00 am - 10:25 amDCA-YOW
4h 25m1 stop
$359
Find Deal
sáb., oct. 4 - dom., oct. 5
Logo
5:55 am - 9:51 pmYOW-DCA
15h 56m2 stops
Logo
6:00 am - 12:22 amDCA-YOW
18h 22m2 stops
$362
Find Deal
vie., oct. 3 - dom., oct. 5
United Airlines Logo
12:30 pm - 4:22 pmYOW-DCA
3h 52m1 stop
United Airlines Logo
7:00 am - 11:45 amDCA-YOW
4h 45m1 stop
$364United Airlines
Find Deal
mar., oct. 21 - jue., oct. 23
WestJet Logo
5:55 am - 6:59 pmYOW-DCA
13h 04m2 stops
WestJet Logo
2:00 pm - 12:22 amDCA-YOW
10h 22m2 stops
$518WestJet
Find Deal
vie., oct. 3 - sáb., oct. 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
Oct 10
YOW6:05 amOttawa
4h 23m
1 stop
DCA10:28 amWashington, D.C. Reagan-National
Oct 12
DCA8:30 amWashington, D.C. Reagan-National
5h 34m
1 stop
YOW2:04 pmOttawa
$342
Find similar
United Airlines
Oct 21
YOW12:30 pmOttawa
3h 52m
1 stop
DCA4:22 pmWashington, D.C. Reagan-National
Oct 23
DCA7:00 amWashington, D.C. Reagan-National
4h 45m
1 stop
YOW11:45 amOttawa
$364
Find similar
United Airlines
Oct 10
YOW6:05 amOttawa
4h 23m
1 stop
DCA10:28 amWashington, D.C. Reagan-National
Oct 12
DCA7:25 amWashington, D.C. Reagan-National
6h 39m
1 stop
YOW2:04 pmOttawa
$365
Find similar

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
Oct 30
YOW10:30 amOttawa
1h 49m
DCA12:19 pmWashington, D.C. Reagan-National
Nov 6
DCA12:55 pmWashington, D.C. Reagan-National
1h 35m
YOW2:30 pmOttawa
$321
Find similar
Air Canada
Oct 30
YOW10:30 amOttawa
1h 49m
DCA12:19 pmWashington, D.C. Reagan-National
Nov 6
DCA6:00 amWashington, D.C. Reagan-National
6h 22m
1 stop
YOW12:22 pmOttawa
$323
Find similar
Air Canada
Oct 30
YOW10:50 amOttawa
5h 06m
1 stop
DCA3:56 pmWashington, D.C. Reagan-National
Nov 6
DCA6:00 amWashington, D.C. Reagan-National
6h 22m
1 stop
YOW12:22 pmOttawa
$324
Find similar

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 septiembre 15, 2025.
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

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

jue. 10/30

10:30 am-12:19 pm

Nonstop1h 49m

Washington, D.C. Reagan-National

jue. 11/6

12:55 pm-2:30 pm

Nonstop1h 35m

$321

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

jue. 10/30

10:30 am-12:19 pm

Nonstop1h 49m

Washington, D.C. Reagan-National

jue. 11/6

6:00 am-12:22 pm

1 stop6h 22m

$323

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

jue. 10/30

10:50 am-3:56 pm

1 stop5h 06m

Washington, D.C. Reagan-National

jue. 11/6

6:00 am-12:22 pm

1 stop6h 22m

$324

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

mié. 10/29

10:50 am-3:56 pm

1 stop5h 06m

Washington, D.C. Reagan-National

mié. 11/5

12:55 pm-2:30 pm

Nonstop1h 35m

$328

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

vie. 10/10

6:05 am-10:28 am

1 stop4h 23m

Washington, D.C. Reagan-National

dom. 10/12

8:30 am-2:04 pm

1 stop5h 34m

$342

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

vie. 10/10

6:05 am-10:28 am

1 stop4h 23m

Washington, D.C. Reagan-National

dom. 10/12

7:00 am-11:45 am

1 stop4h 45m

$352

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

sáb. 10/4

2:48 pm-8:36 pm

1 stop5h 48m

Washington, D.C. Reagan-National

dom. 10/5

6:00 am-10:25 am

1 stop4h 25m

$359

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

vie. 10/3

5:55 am-9:51 pm

2 stops15h 56m

Washington, D.C. Reagan-National

dom. 10/5

6:00 am-12:22 am

2 stops18h 22m

$362

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

mar. 10/21

12:30 pm-4:22 pm

1 stop3h 52m

Washington, D.C. Reagan-National

jue. 10/23

7:00 am-11:45 am

1 stop4h 45m

$364

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

vie. 10/3

5:55 am-6:59 pm

2 stops13h 04m

Washington, D.C. Reagan-National

sáb. 10/4

2:00 pm-12:22 am

2 stops10h 22m

$518

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 March is, on average, the cheapest month to fly to Washington, D.C. Reagan-National Airport from Ottawa, with most prices found around $324. If you aren’t able to travel to Washington, D.C. Reagan-National Airport during the month of March, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $329.

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 Thursday. Travelers who choose to depart for Washington, D.C. Reagan-National Airport on a Thursday will often find tickets for as low as $301. Flights from Ottawa to Washington, D.C. Reagan-National Airport on a Tuesday will generally be more expensive and average around $524. 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

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 weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Reagan-National Airport for around $377 when searching 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 $239 on momondo.

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

Best Price Found

$195

Fastest flight time

1h 43m

Direct flights

Every day
The best one-way flight to Washington, D.C. Reagan-National Airport from Ottawa in the past 72 hours is $195. The best round-trip flight deal from Ottawa to Washington, D.C. Reagan-National Airport found on momondo in the last 72 hours is $284.
The fastest flight from Ottawa to Washington, D.C. Reagan-National Airport takes 1h 43m
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 43m.

  • 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 $284Free CancellationRating
7.1
10,000 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 $284 round-trip. Over the 7 Air Canada flights for this route in a normal week, average airfare is usually $437 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
Gettysburg
National Harbor
Arlington
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Towson
Rockville
Manassas
Reston
Fairfax
Glen Burnie
Gaithersburg
Springfield
Linthicum Heights

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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