Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Washington, D.C. to Ottawa from $125

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Ottawa departing on 12/19. 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 Washington, D.C. to Ottawa

Cheap round-trip flights

These are some of the best round-trip flight deals from Washington, D.C. to Ottawa 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 Washington, D.C. to Ottawa.

Cheap last minute flights

Planning a quick getaway from Washington, D.C. to Ottawa? 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 Ottawa, so you can enjoy a seamless trip without layovers.

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

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

All round-trip flight deals to Ottawa

The cheapest plane tickets to Ottawa found on KAYAK recently.
1:45 pm - 8:26 pmIAD-YOW
6h 41m1 stop
9:40 am - 12:59 pmYOW-IAD
3h 19m1 stop
$325Porter Airlines
Find Deal
Mon, Dec 2 - Wed, Dec 4
1:45 pm - 6:31 pmIAD-YOW
4h 46m1 stop
9:40 am - 12:59 pmYOW-IAD
3h 19m1 stop
$327Porter Airlines
Find Deal
Mon, Nov 25 - Tue, Nov 26
5:40 am - 2:20 pmBWI-YOW
8h 40m1 stop
4:35 pm - 11:31 pmYOW-BWI
6h 56m1 stop
Fri, Nov 22 - Mon, Nov 25
7:44 pm - 3:12 pmBWI-YOW
19h 28m2 stops
5:10 pm - 5:57 pmYOW-BWI
24h 47m3 stops
Tue, Jan 14 - Tue, Jan 21
12:55 pm - 2:35 pmDCA-YOW
1h 40mnonstop
2:45 pm - 9:00 pmYOW-DCA
6h 15m1 stop
$482Air Canada
Find Deal
Wed, Nov 20 - Thu, Nov 28
5:56 pm - 10:43 pmIAD-YOW
4h 47m1 stop
7:30 pm - 9:20 pmYOW-IAD
1h 50mnonstop
$482Air Canada
Find Deal
Thu, Nov 28 - Thu, Dec 5
10:09 pm - 1:23 pmIAD-YOW
15h 14m1 stop
7:30 pm - 9:20 pmYOW-IAD
1h 50mnonstop
$491United Airlines
Find Deal
Mon, Nov 25 - Tue, Nov 26
8:24 am - 1:20 pmIAD-YOW
4h 56m1 stop
7:30 pm - 9:20 pmYOW-IAD
1h 50mnonstop
$559United Airlines
Find Deal
Sat, Nov 16 - Mon, Nov 18
5:30 pm - 12:10 amBWI-YOW
30h 40m2 stops
8:10 pm - 3:45 pmYOW-BWI
19h 35m2 stops
$693WestJet
Find Deal
Sun, Jan 26 - Tue, Jan 28
8:10 am - 8:47 pmBWI-YOW
12h 37m2 stops
5:55 am - 4:36 pmYOW-BWI
10h 41m2 stops
$702WestJet
Find Deal
Mon, Mar 10 - Thu, Mar 13
8:08 am - 8:09 pmBWI-YOW
12h 01m1 stop
Thu, Dec 19
5:40 am - 2:20 pmBWI-YOW
8h 40m1 stop
Mon, Nov 25
1:45 pm - 8:26 pmIAD-YOW
6h 41m1 stop
$147Porter Airlines
Find Deal
Wed, Nov 27
7:00 am - 11:11 amIAD-YOW
4h 11m1 stop
$148Porter Airlines
Find Deal
Tue, Nov 26
12:55 pm - 2:35 pmDCA-YOW
1h 40mnonstop
$200Air Canada
Find Deal
Wed, Nov 27
10:15 pm - 11:54 pmIAD-YOW
1h 39mnonstop
$200Air Canada
Find Deal
Wed, Nov 27
10:15 pm - 11:54 pmIAD-YOW
1h 39mnonstop
$251United Airlines
Find Deal
Wed, Nov 27
7:00 am - 1:20 pmDCA-YOW
6h 20m1 stop
$261United Airlines
Find Deal
Wed, Nov 27
6:00 am - 7:23 pmBWI-YOW
13h 23m2 stops
$305WestJet
Find Deal
Wed, Dec 11
9:59 am - 12:10 amBWI-YOW
14h 11m2 stops
$311WestJet
Find Deal
Wed, Dec 11
7:00 am - 11:51 amIAD-YOW
4h 51m1 stop
6:25 am - 12:59 pmYOW-IAD
6h 34m1 stop
$576Porter Airlines
Find Deal
Sun, Nov 3 - Mon, Nov 11
8:37 pm - 5:24 pmBWI-YOW
20h 47m2 stops
4:05 pm - 11:34 amYOW-BWI
19h 29m2 stops
Mon, Nov 4 - Mon, Nov 11
1:45 pm - 6:31 pmIAD-YOW
4h 46m1 stop
8:35 am - 12:59 pmYOW-IAD
4h 24m1 stop
$608Porter Airlines
Find Deal
Mon, Nov 4 - Thu, Nov 7
7:00 am - 11:11 amIAD-YOW
4h 11m1 stop
9:40 am - 12:59 pmYOW-IAD
3h 19m1 stop
$632Porter Airlines
Find Deal
Tue, Nov 5 - Wed, Nov 6
10:15 pm - 11:54 pmIAD-YOW
1h 39mnonstop
6:00 am - 8:03 amYOW-IAD
26h 03m1 stop
$773United Airlines
Find Deal
Tue, Nov 5 - Wed, Nov 6
12:55 pm - 2:35 pmDCA-YOW
1h 40mnonstop
10:30 am - 12:20 pmYOW-DCA
1h 50mnonstop
$789Air Canada
Find Deal
Mon, Nov 4 - Mon, Nov 11
10:15 pm - 11:54 pmIAD-YOW
1h 39mnonstop
9:45 am - 11:43 amYOW-IAD
1h 58mnonstop
$789Air Canada
Find Deal
Mon, Nov 4 - Mon, Nov 11
12:50 pm - 2:29 pmIAD-YOW
1h 39mnonstop
7:30 pm - 9:20 pmYOW-IAD
1h 50mnonstop
$794United Airlines
Find Deal
Sun, Nov 3 - Mon, Nov 11
2:40 pm - 12:10 amDCA-YOW
9h 30m2 stops
5:55 am - 7:30 pmYOW-DCA
13h 35m2 stops
$1,237WestJet
Find Deal
Tue, Nov 5 - Fri, Nov 8
9:00 am - 12:10 amDCA-YOW
15h 10m2 stops
5:55 am - 11:44 pmYOW-DCA
17h 49m2 stops
$1,260WestJet
Find Deal
Sun, Nov 3 - Mon, Nov 11
10:15 pm - 11:54 pmIAD-YOW
1h 39mnonstop
2:05 pm - 3:55 pmYOW-IAD
1h 50mnonstop
$477Air Canada
Find Deal
Wed, Nov 27 - Sat, Nov 30
10:15 pm - 11:54 pmIAD-YOW
1h 39mnonstop
2:05 pm - 3:55 pmYOW-IAD
1h 50mnonstop
$512Air Canada
Find Deal
Mon, Nov 25 - Tue, Nov 26
12:55 pm - 2:35 pmDCA-YOW
1h 40mnonstop
10:30 am - 12:20 pmYOW-DCA
1h 50mnonstop
$513Air Canada
Find Deal
Wed, Nov 20 - Wed, Nov 27
12:55 pm - 2:35 pmDCA-YOW
1h 40mnonstop
10:30 am - 12:20 pmYOW-DCA
1h 50mnonstop
$529Air Canada
Find Deal
Tue, Nov 26 - Sun, Dec 1
5:15 pm - 6:54 pmIAD-YOW
1h 39mnonstop
2:05 pm - 3:55 pmYOW-IAD
1h 50mnonstop
$537Air Canada
Find Deal
Tue, Nov 26 - Sun, Dec 1
5:15 pm - 6:54 pmIAD-YOW
1h 39mnonstop
2:05 pm - 3:50 pmYOW-IAD
1h 45mnonstop
$538Air Canada
Find Deal
Tue, Mar 4 - Tue, Mar 25
12:55 pm - 2:35 pmDCA-YOW
1h 40mnonstop
10:30 am - 12:20 pmYOW-DCA
1h 50mnonstop
Fri, Nov 22 - Mon, Nov 25
12:55 pm - 2:35 pmDCA-YOW
1h 40mnonstop
10:30 am - 12:20 pmYOW-DCA
1h 50mnonstop
$577United Airlines
Find Deal
Wed, Nov 20 - Thu, Nov 28
10:15 pm - 11:54 pmIAD-YOW
1h 39mnonstop
7:30 pm - 9:20 pmYOW-IAD
1h 50mnonstop
$577United Airlines
Find Deal
Thu, Nov 14 - Sun, Nov 17
10:15 pm - 11:54 pmIAD-YOW
1h 39mnonstop
7:30 pm - 9:20 pmYOW-IAD
1h 50mnonstop
$591United Airlines
Find Deal
Fri, Nov 15 - Sun, Nov 17

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

Our best United Airlines deals on Washington, D.C. to Ottawa flight tickets
United Airlines
Nov 25
IAD10:09 pmWashington, D.C. Dulles Intl
15h 14m
1 stop
YOW1:23 pmOttawa
Nov 26
YOW7:30 pmOttawa
1h 50m
IAD9:20 pmWashington, D.C. Dulles Intl
United Airlines
Nov 16
IAD8:24 amWashington, D.C. Dulles Intl
4h 56m
1 stop
YOW1:20 pmOttawa
Nov 18
YOW7:30 pmOttawa
1h 50m
IAD9:20 pmWashington, D.C. Dulles Intl
United Airlines
Nov 14
IAD10:15 pmWashington, D.C. Dulles Intl
1h 39m
YOW11:54 pmOttawa
Nov 17
YOW5:50 pmOttawa
5h 06m
1 stop
IAD10:56 pmWashington, D.C. Dulles Intl

WestJet flights from Washington, D.C. to Ottawa

Our best WestJet deals on Washington, D.C. to Ottawa flight tickets
WestJet
Jan 26
BWI5:30 pmBaltimore/Washington
30h 40m
2 stops
YOW12:10 amOttawa
Jan 28
YOW8:10 pmOttawa
19h 35m
2 stops
BWI3:45 pmBaltimore/Washington
WestJet
Mar 10
BWI8:10 amBaltimore/Washington
12h 37m
2 stops
YOW8:47 pmOttawa
Mar 13
YOW5:55 amOttawa
10h 41m
2 stops
BWI4:36 pmBaltimore/Washington
WestJet
Dec 6
BWI6:00 amBaltimore/Washington
13h 23m
2 stops
YOW7:23 pmOttawa
Dec 8
YOW5:55 amOttawa
17h 47m
2 stops
BWI11:42 pmBaltimore/Washington

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

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 from Washington, D.C. to Ottawa?

April. The cheapest time of year to fly to Ottawa from Washington, D.C. is April. Most expensive is September

What is the cheapest day to depart Washington, D.C. for Ottawa?

Saturday. The cheapest day of the week is typically Saturday. The most expensive is typically Sunday

When is the cheapest time to fly from Washington, D.C. to Ottawa?

In the morning. Washington, D.C. to Ottawa flights are approximately 23% more expensive in the afternoon than in the morning

What is the cheapest airline that flies to Ottawa from Washington, D.C.?

Air Transat. Air Transat, Porter Airlines, and Air Canada are the most popular carriers operating from Washington, D.C. to Ottawa

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

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

How far in advance should you book Washington, D.C. to Ottawa flights?

26 days before. The cheapest time to buy a flight from Washington, D.C. to Ottawa is approximately 26 days to departure

How many flights depart from Washington, D.C. to Ottawa on average per day?

As of October 2024, there are 4 flights per week flying from Washington, D.C. to Ottawa. The most common time of day flights depart is 12:00PM, with 81% of flights taking off in the afternoon.

How many flights depart from Washington, D.C. to Ottawa on average per week?

As of October 2024, there are 34 flights per week flying from Washington, D.C. to Ottawa. The most common day of the week flights depart is Wednesday, with 26% of flights taking off on this day.

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

You could potentially save up to 37% on your flight if you consider stops on a Washington, D.C. to Ottawa flight.

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

As of October 2024, prices for Washington, D.C. to Ottawa flights are approximately 4% more expensive when compared to flights at the same time last year.

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

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

Cheap Washington, D.C. to Ottawa (WAS to YOW) flight deals and tips

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

Best Price Found

$125

Fastest flight time

1h 32m

Direct flights

Every day

Airports in Ottawa

1 airport
The best one-way flight to Ottawa from Washington, D.C. in the past 72 hours is $125. The best round-trip flight deal from Washington, D.C. to Ottawa found on momondo in the last 72 hours is $325.
The fastest flight from Washington, D.C. to Ottawa takes 1h 32m
Direct flights go from Washington, D.C. to Ottawa every day.
There is 1 airport near Ottawa: Ottawa (YOW)

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

    The straight-line distance from Washington, D.C. to Ottawa is 454.6 mi. 1h 32m is a normal flight duration for this route.

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

    Prices for flights from Washington, D.C. to Ottawa Airport were last updated today.

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. to Ottawa Airport.

  • What documentation or ID do you need to fly to Ottawa Airport?

    The required travel and health documents for your Ottawa Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ottawa Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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

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


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

Compare and see reviews for airlines that fly from Washington, D.C. to Ottawa with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom $144Free CancellationRating
7.0
8,095 reviews
Search Air Canada flights
United AirlinesPriceFrom $176Free CancellationRating
7.4
9,240 reviews
Search United Airlines flights
Porter AirlinesPriceFrom $278Free CancellationRating
7.8
294 reviews
Search Porter Airlines flights
Air TransatPriceFrom $347Free CancellationRating
7.8
388 reviews
Search Air Transat flights
  • United Airlines Flights From Washington, D.C. to Ottawa

    The lowest priced United Airlines flight from Washington, D.C. to Ottawa from the last 72 hours was $176. Generally, United Airlines has 23 flights on this route every week with an average price of $508. United Airlines is rated 7.4/10 by our users.

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

    Across 8,095 Air Canada reviews on momondo, the average score is 7.0/10. Air Canada flies from Washington, D.C. to Ottawa about 23 times each week, with ticket deals ranging from $144 to $466. Price data is based on momondo searches in the last 72 hours.


Why use momondo?

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

It is quick and easy to find Washington, D.C. to Ottawa 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 Ottawa that suits you.

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

All flight searches from Washington, D.C. to Ottawa on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search for Washington, D.C. to Ottawa 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 Washington, D.C. to Ottawa right now. Can momondo alert me if prices change?

Price alerts on flights to Ottawa from Washington, D.C. are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.


An easier way to manage your Ottawa 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?
Tue 11/5
Tue 11/12
Email me momondo's favorite deals

Find better results for your trip to Canada