Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Ottawa to Washington, D.C. from $134

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 1/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Deals available from 900+ travel sites.

"This year, momondo is the #1 place for airfares on the internet."
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.
Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.
Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.
Price Alerts
Price Alerts
Not ready to book? to track prices.

Find the cheapest flights from Ottawa to Washington, D.C.

Cheap round-trip flights

These are some of the best round-trip flight deals from Ottawa to Washington, D.C. that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Ottawa to Washington, D.C..

Cheap last minute flights

Planning a quick getaway from Ottawa to Washington, D.C.? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Washington, D.C., so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Ottawa to Washington, D.C.

Find recent round-trip train or bus tickets from Ottawa to Washington, D.C..

All round-trip flight deals to Washington, D.C.

The cheapest plane tickets to Washington, D.C. found on KAYAK recently.
7:00 am - 12:49 pmYOW-IAD
5h 49m1 stop
2:00 pm - 6:39 pmIAD-YOW
4h 39m1 stop
$220Porter Airlines
Find Deal
Thu, Jan 9 - Sun, Jan 12
9:30 am - 12:49 pmYOW-IAD
3h 19m1 stop
2:10 pm - 8:34 pmIAD-YOW
6h 24m1 stop
$221Porter Airlines
Find Deal
Thu, Jan 16 - Thu, Jan 30
2:05 pm - 3:58 pmYOW-IAD
1h 53mnonstop
12:49 pm - 2:29 pmIAD-YOW
1h 40mnonstop
$236Air Canada
Find Deal
Wed, Jan 15 - Wed, Jan 22
10:30 am - 12:20 pmYOW-DCA
1h 50mnonstop
12:55 pm - 2:35 pmDCA-YOW
1h 40mnonstop
$236Air Canada
Find Deal
Sat, Jan 18 - Wed, Jan 22
4:20 pm - 7:52 amYOW-BWI
15h 32m1 stop
4:03 pm - 2:20 pmBWI-YOW
22h 17m1 stop
Thu, Jan 9 - Sun, Jan 12
6:00 am - 11:41 amYOW-IAD
5h 41m1 stop
10:24 pm - 4:16 pmIAD-YOW
17h 52m2 stops
$268United Airlines
Find Deal
Tue, Jan 14 - Tue, Jan 14
6:20 am - 7:10 pmYOW-BWI
12h 50m2 stops
8:00 am - 5:44 pmBWI-YOW
9h 44m1 stop
Sat, Jan 18 - Wed, Jan 22
10:30 am - 12:20 pmYOW-DCA
1h 50mnonstop
12:55 pm - 2:35 pmDCA-YOW
1h 40mnonstop
$379United Airlines
Find Deal
Sat, Jan 18 - Wed, Jan 22
5:55 am - 11:08 pmYOW-BWI
17h 13m2 stops
6:00 am - 12:09 amBWI-YOW
18h 09m2 stops
$450WestJet
Find Deal
Fri, Jan 31 - Wed, Feb 5
5:55 am - 4:00 pmYOW-DCA
10h 05m2 stops
12:55 pm - 12:10 amDCA-YOW
11h 15m2 stops
$475WestJet
Find Deal
Thu, Jan 23 - Mon, Jan 27
8:40 am - 12:49 pmYOW-IAD
4h 09m1 stop
$134Porter Airlines
Find Deal
Wed, Jan 15
7:00 am - 12:49 pmYOW-IAD
5h 49m1 stop
$135Porter Airlines
Find Deal
Sat, Jan 18
10:30 am - 12:20 pmYOW-DCA
1h 50mnonstop
$142Air Canada
Find Deal
Thu, Jan 30
2:05 pm - 3:58 pmYOW-IAD
1h 53mnonstop
$143Air Canada
Find Deal
Wed, Jan 8
4:20 pm - 8:07 amYOW-BWI
15h 47m1 stop
Wed, Jan 8
9:20 am - 10:10 pmYOW-BWI
12h 50m1 stop
Tue, Jan 7
10:30 am - 12:20 pmYOW-DCA
1h 50mnonstop
$214United Airlines
Find Deal
Wed, Jan 15
10:30 am - 12:20 pmYOW-DCA
1h 50mnonstop
$221United Airlines
Find Deal
Sat, Jan 18
5:55 am - 4:13 pmYOW-DCA
10h 18m2 stops
$285WestJet
Find Deal
Sat, Jan 18
5:55 am - 4:47 pmYOW-DCA
10h 52m2 stops
$397WestJet
Find Deal
Wed, Jan 1
3:50 pm - 10:24 pmYOW-IAD
6h 34m1 stop
1:45 pm - 6:31 pmIAD-YOW
4h 46m1 stop
$433Porter Airlines
Find Deal
Mon, Dec 23 - Mon, Dec 30
3:50 pm - 10:24 pmYOW-IAD
6h 34m1 stop
1:45 pm - 6:31 pmIAD-YOW
4h 46m1 stop
$500Porter Airlines
Find Deal
Sat, Dec 21 - Sat, Jan 4
2:05 pm - 3:58 pmYOW-IAD
1h 53mnonstop
5:37 pm - 10:01 pmIAD-YOW
4h 24m1 stop
$503United Airlines
Find Deal
Mon, Dec 23 - Mon, Dec 30
2:05 pm - 3:58 pmYOW-IAD
1h 53mnonstop
5:10 pm - 6:54 pmIAD-YOW
1h 44mnonstop
$519United Airlines
Find Deal
Mon, Dec 23 - Mon, Dec 30
9:20 am - 7:22 amYOW-BWI
22h 02m1 stop
9:52 am - 8:09 pmBWI-YOW
10h 17m1 stop
Mon, Dec 23 - Mon, Dec 30
9:20 am - 10:10 pmYOW-BWI
12h 50m1 stop
6:55 am - 6:31 pmBWI-YOW
11h 36m2 stops
Mon, Dec 23 - Mon, Dec 30
5:45 am - 11:30 amYOW-IAD
5h 45m1 stop
5:10 pm - 6:54 pmIAD-YOW
1h 44mnonstop
$605Air Canada
Find Deal
Mon, Dec 23 - Mon, Dec 30
6:10 pm - 10:37 pmYOW-DCA
4h 27m1 stop
8:40 pm - 1:37 amDCA-YOW
4h 57m1 stop
$651Air Canada
Find Deal
Sat, Dec 21 - Sat, Dec 28
9:35 pm - 11:58 pmYOW-IAD
26h 23m2 stops
6:00 am - 12:10 amIAD-YOW
18h 10m2 stops
$981WestJet
Find Deal
Mon, Dec 23 - Mon, Dec 30
5:55 am - 4:20 pmYOW-DCA
10h 25m2 stops
8:20 am - 12:10 amDCA-YOW
15h 50m2 stops
$1,015WestJet
Find Deal
Fri, Dec 20 - Sun, Dec 29
2:05 pm - 3:58 pmYOW-IAD
1h 53mnonstop
12:49 pm - 2:29 pmIAD-YOW
1h 40mnonstop
$236Air Canada
Find Deal
Wed, Jan 15 - Wed, Jan 22
10:30 am - 12:20 pmYOW-DCA
1h 50mnonstop
12:55 pm - 2:35 pmDCA-YOW
1h 40mnonstop
$236Air Canada
Find Deal
Sat, Jan 18 - Wed, Jan 22
9:45 am - 11:38 amYOW-IAD
1h 53mnonstop
5:08 pm - 6:54 pmIAD-YOW
1h 46mnonstop
$238Air Canada
Find Deal
Fri, Jan 17 - Tue, Jan 21
10:30 am - 12:20 pmYOW-DCA
1h 50mnonstop
12:55 pm - 2:35 pmDCA-YOW
1h 40mnonstop
$238Air Canada
Find Deal
Fri, Jan 17 - Tue, Jan 21
2:05 pm - 3:58 pmYOW-IAD
1h 53mnonstop
12:49 pm - 2:29 pmIAD-YOW
1h 40mnonstop
$257Air Canada
Find Deal
Thu, Jan 9 - Sun, Jan 12
10:30 am - 12:20 pmYOW-DCA
1h 50mnonstop
12:55 pm - 2:35 pmDCA-YOW
1h 40mnonstop
$257Air Canada
Find Deal
Thu, Jan 9 - Sun, Jan 12
10:30 am - 12:20 pmYOW-DCA
1h 50mnonstop
12:55 pm - 2:35 pmDCA-YOW
1h 40mnonstop
$379United Airlines
Find Deal
Sat, Jan 18 - Wed, Jan 22
10:30 am - 12:20 pmYOW-DCA
1h 50mnonstop
12:55 pm - 2:35 pmDCA-YOW
1h 40mnonstop
$393United Airlines
Find Deal
Fri, Jan 31 - Fri, Feb 7
9:45 am - 11:38 amYOW-IAD
1h 53mnonstop
5:08 pm - 6:54 pmIAD-YOW
1h 46mnonstop
$438United Airlines
Find Deal
Sat, Jan 18 - Wed, Jan 22
7:25 pm - 9:00 pmYOW-IAD
1h 35mnonstop
8:17 am - 9:58 amIAD-YOW
1h 41mnonstop
Wed, Apr 16 - Mon, Apr 28

Porter Airlines flights from Ottawa to Washington, D.C.

Our best Porter Airlines deals on Ottawa to Washington, D.C. flight tickets
Porter Airlines
Jan 9
YOW7:00 amOttawa
5h 49m
1 stop
IAD12:49 pmWashington, D.C. Dulles Intl
Jan 12
IAD2:00 pmWashington, D.C. Dulles Intl
4h 39m
1 stop
YOW6:39 pmOttawa
Porter Airlines
Jan 16
YOW9:30 amOttawa
3h 19m
1 stop
IAD12:49 pmWashington, D.C. Dulles Intl
Jan 30
IAD2:10 pmWashington, D.C. Dulles Intl
6h 24m
1 stop
YOW8:34 pmOttawa
Porter Airlines
Jan 15
YOW8:40 amOttawa
4h 09m
1 stop
IAD12:49 pmWashington, D.C. Dulles Intl
Jan 22
IAD2:10 pmWashington, D.C. Dulles Intl
4h 24m
1 stop
YOW6:34 pmOttawa

United Airlines flights from Ottawa to Washington, D.C.

Our best United Airlines deals on Ottawa to Washington, D.C. flight tickets
United Airlines
Jan 14
YOW6:00 amOttawa
5h 41m
1 stop
IAD11:41 amWashington, D.C. Dulles Intl
Jan 14
IAD10:24 pmWashington, D.C. Dulles Intl
17h 52m
2 stops
YOW4:16 pmOttawa
United Airlines
Jan 18
YOW10:30 amOttawa
1h 50m
DCA12:20 pmWashington, D.C. Reagan-National
Jan 22
DCA12:55 pmWashington, D.C. Reagan-National
1h 40m
YOW2:35 pmOttawa
United Airlines
Jan 31
YOW10:30 amOttawa
1h 50m
DCA12:20 pmWashington, D.C. Reagan-National
Feb 7
DCA12:55 pmWashington, D.C. Reagan-National
1h 40m
YOW2:35 pmOttawa

See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Ottawa to Washington, D.C.

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.?

The month of February is, on average, the cheapest month to fly to Washington, D.C. from Ottawa, with most prices found around $320. If you’re not able to fly to Washington, D.C. in February, then January is your next best option. Flight prices from Ottawa to Washington, D.C. during January average around $327.

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

On average, the least expensive day to fly to Washington, D.C. from Ottawa is on a Thursday. momondo users have found tickets for Thursday departures for as low as $332. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Wednesday, the most expensive travel day of the week, you can expect to see flight prices from Ottawa to Washington, D.C. for around $479.

What is the cheapest time of day to depart on your flight to Washington, D.C.?

In the afternoon is the cheapest time of day to fly from Ottawa to Washington, D.C. when you can find flight prices for as low as $328. Flying to Washington, D.C. in the afternoon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets at noon because they tend to be around $500. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Ottawa to Washington, D.C. flight route?

Fly from Ottawa to Washington, D.C. Dulles Intl for the best Ottawa - Washington, D.C. flight prices

How far in advance should I book a flight to Washington, D.C.?

The ideal time to book your flight to Washington, D.C. is 29 days in advance when prices tend to average $369. Don’t hesitate to check prices now though because momondo users recently found tickets for as low as $228.

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

There are 4 cabin classes available to choose from on Ottawa to Washington, D.C. flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Ottawa to Washington, D.C. flights?

You could potentially save up to 10% on your flight if you consider stops on a Ottawa to Washington, D.C. flight.

How have Ottawa to Washington, D.C. flight prices changed over time?

As of December 2024, prices for Ottawa to Washington, D.C. flights are approximately 6% more expensive when compared to flights at the same time last year.

When to book flights from Ottawa to Washington, D.C.

Are you open to changing your travel dates? Check out the ideal times to fly from Ottawa to Washington, D.C. 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. (YOW to WAS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ottawa to Washington, D.C.

Best Price Found

$134

Fastest flight time

1h 35m

Direct flights

Every day

Airports in Washington, D.C.

3 airports
The best one-way flight to Washington, D.C. from Ottawa in the past 72 hours is $134. The best round-trip flight deal from Ottawa to Washington, D.C. found on momondo in the last 72 hours is $220.
The fastest flight from Ottawa to Washington, D.C. takes 1h 35m
Direct flights go from Ottawa to Washington, D.C. every day.
There are 3 airports near Washington, D.C.: Washington, D.C. Reagan-National (DCA), Baltimore/Washington (BWI), Washington, D.C. Dulles Intl (IAD)

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

    The distance between Ottawa and Washington, D.C. is about 454.6 mi. In terms of flight time, this usually takes a little over 1h 35m.

  • When did momondo last update prices for flights from Ottawa Airport to Washington, D.C.?

    Prices for flights from Ottawa Airport to Washington, D.C. are refreshed on a daily basis.

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ottawa Airport to Washington, D.C..

  • What documentation or ID do you need to fly to Washington, D.C.?

    The travel and health documents you'll need for your trip to Washington, D.C. may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington, D.C.. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

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


Best airlines flying from Ottawa to Washington, D.C.

Compare and see reviews for airlines that fly from Ottawa to Washington, D.C. with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $240Free CancellationRating
7.4
9,055 reviews
Search United Airlines flights
Air CanadaPriceFrom $247Free CancellationRating
7.0
8,382 reviews
Search Air Canada flights
Porter AirlinesPriceFrom $262Free CancellationRating
7.9
283 reviews
Search Porter Airlines flights
  • United Airlines Flights From Ottawa to Washington, D.C.

    Across 16 United Airlines flights from Ottawa to Washington, D.C. this week, the average price was $467, with the best United Airlines deals starting from $240 round-trip. 9,059 users have rated United Airlines on momondo, with an average score of 7.4/10.

  • Air Canada Flights From Ottawa to Washington, D.C.

    $247 is the best Air Canada flight deal from Ottawa to Washington, D.C. found on momondo over the last 72 hours. The average Air Canada ticket price found was closer to $382, however, with flight time and availability significantly affecting the price. Air Canada (7.0/10 from 8,382 user reviews) flies into Washington, D.C. from Ottawa 16 times in an average week so prices can vary.


Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Ottawa to Washington, D.C.. momondo saves you time and could save you money on your trip.

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.?

Once you have performed a search for Ottawa to Washington, D.C. flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are not ready to book a flight from Ottawa to Washington, D.C. now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Washington, D.C. and let you know when they change.


An easier way to manage your Washington, D.C. trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
From?
To?
Mon 12/23
Mon 12/30
Email me momondo's favorite deals

Find better results for your trip to the United States

Fly into one of these airports located in Washington, D.C.

Airports listed have a maximum distance of 22.4 mi from Washington, D.C.