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Cheap flights from Ottawa to District of Columbia from $180

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 District of Columbia departing on 5/1. 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

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Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
7:30 pm - 9:23 pm
YOW
-
IAD
1h 53mnonstop
United Airlines Logo
8:25 am - 5:12 pm
IAD
-
YOW
8h 47m
2 stops
$314United Airlines
Mon, Mar 16 - Tue, Mar 17
Porter Airlines Logo
12:10 pm - 5:14 pm
YOW
-
IAD
5h 04m
1 stop
Porter Airlines Logo
6:30 pm - 10:29 pm
IAD
-
YOW
3h 59m
1 stop
$321Porter Airlines
Fri, Apr 3 - Sun, Apr 5
Porter Airlines Logo
12:10 pm - 5:14 pm
YOW
-
IAD
5h 04m
1 stop
Porter Airlines Logo
6:30 pm - 10:29 pm
IAD
-
YOW
3h 59m
1 stop
$322Porter Airlines
Fri, Apr 3 - Sun, Apr 5
Porter Airlines Logo
6:50 am - 10:22 am
YOW
-
IAD
3h 32m
1 stop
Porter Airlines Logo
11:40 am - 4:44 pm
IAD
-
YOW
5h 04m
1 stop
$324Porter Airlines
Thu, Feb 26 - Mon, Mar 2
Porter Airlines Logo
8:40 am - 12:29 pm
YOW
-
IAD
3h 49m
1 stop
Porter Airlines Logo
6:30 pm - 10:29 pm
IAD
-
YOW
3h 59m
1 stop
$327Porter Airlines
Sat, Apr 4 - Sun, Apr 5
Porter Airlines Logo
11:00 am - 5:14 pm
YOW
-
IAD
6h 14m
1 stop
Porter Airlines Logo
6:30 pm - 10:29 pm
IAD
-
YOW
3h 59m
1 stop
$330Porter Airlines
Fri, Mar 27 - Sun, Mar 29
Multiple Airlines Logo
6:45 am - 10:24 am
YOW
-
IAD
3h 39m
1 stop
Multiple Airlines Logo
8:09 am - 5:17 pm
IAD
-
YOW
9h 08m
1 stop
$337Multiple Airlines
Thu, Mar 12 - Mon, Mar 16
Porter Airlines Logo
6:50 am - 10:24 am
YOW
-
IAD
3h 34m
1 stop
Porter Airlines Logo
11:40 am - 3:04 pm
IAD
-
YOW
3h 24m
1 stop
$339Porter Airlines
Thu, Apr 2 - Mon, Apr 6
Air Canada Logo
10:50 am - 3:31 pm
YOW
-
DCA
4h 41m
1 stop
Air Canada Logo
12:55 pm - 2:30 pm
DCA
-
YOW
1h 35mnonstop
$345Air Canada
Thu, Feb 26 - Mon, Mar 2
Air Canada Logo
10:50 am - 3:31 pm
YOW
-
DCA
4h 41m
1 stop
Air Canada Logo
6:00 am - 9:41 am
DCA
-
YOW
3h 41m
1 stop
$347Air Canada
Thu, Feb 26 - Mon, Mar 2

United Airlines flights from Ottawa to District of Columbia

Our best United Airlines deals on Ottawa to District of Columbia flight tickets
United Airlines
Mar 16
YOW7:30 pmOttawa
1h 53m
IAD9:23 pmWashington, D.C. Dulles Intl
Mar 17
IAD8:25 amWashington, D.C. Dulles Intl
8h 47m
2 stops
YOW5:12 pmOttawa
$314
United Airlines
Apr 4
YOW5:50 pmOttawa
5h 35m
1 stop
IAD11:25 pmWashington, D.C. Dulles Intl
Apr 5
IAD8:15 amWashington, D.C. Dulles Intl
1h 48m
YOW10:03 amOttawa
$379
United Airlines
Mar 16
YOW3:15 pmOttawa
6h 20m
1 stop
DCA9:35 pmWashington, D.C. Reagan-National
Mar 17
DCA6:00 amWashington, D.C. Reagan-National
11h 12m
2 stops
YOW5:12 pmOttawa
$394

Porter Airlines flights from Ottawa to District of Columbia

Our best Porter Airlines deals on Ottawa to District of Columbia flight tickets
Porter Airlines
Apr 3
YOW1:20 pmOttawa
3h 54m
1 stop
IAD5:14 pmWashington, D.C. Dulles Intl
Apr 6
IAD11:40 amWashington, D.C. Dulles Intl
5h 49m
1 stop
YOW5:29 pmOttawa
$321
Porter Airlines
Apr 3
YOW12:10 pmOttawa
5h 04m
1 stop
IAD5:14 pmWashington, D.C. Dulles Intl
Apr 5
IAD6:30 pmWashington, D.C. Dulles Intl
3h 59m
1 stop
YOW10:29 pmOttawa
$322
Porter Airlines
Feb 26
YOW6:50 amOttawa
3h 32m
1 stop
IAD10:22 amWashington, D.C. Dulles Intl
Mar 2
IAD11:40 amWashington, D.C. Dulles Intl
5h 04m
1 stop
YOW4:44 pmOttawa
$324

momondo Fare Finder

 
Customize your flight search to find flights from Ottawa to District of Columbia 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 February 2, 2026.
Use the filters below to find and compare flights from Ottawa to District of Columbia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Mon 3/16

7:30 pm-9:23 pm

Nonstop1h 53m

Washington, D.C. Dulles Intl

Tue 3/17

8:25 am-5:12 pm

2 stops8h 47m

$314

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Fri 4/3

12:10 pm-5:14 pm

1 stop5h 04m

Washington, D.C. Dulles Intl

Sun 4/5

6:30 pm-10:29 pm

1 stop3h 59m

$321

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Fri 4/3

12:10 pm-5:14 pm

1 stop5h 04m

Washington, D.C. Dulles Intl

Sun 4/5

6:30 pm-10:29 pm

1 stop3h 59m

$322

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Thu 2/26

6:50 am-10:22 am

1 stop3h 32m

Washington, D.C. Dulles Intl

Mon 3/2

11:40 am-4:44 pm

1 stop5h 04m

$324

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Sat 4/4

8:40 am-12:29 pm

1 stop3h 49m

Washington, D.C. Dulles Intl

Sun 4/5

6:30 pm-10:29 pm

1 stop3h 59m

$327

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Fri 3/27

11:00 am-5:14 pm

1 stop6h 14m

Washington, D.C. Dulles Intl

Sun 3/29

6:30 pm-10:29 pm

1 stop3h 59m

$330

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Thu 3/12

6:45 am-10:24 am

1 stop3h 39m

Washington, D.C. Dulles Intl

Mon 3/16

8:09 am-5:17 pm

1 stop9h 08m

$337

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Thu 4/2

6:50 am-10:24 am

1 stop3h 34m

Washington, D.C. Dulles Intl

Mon 4/6

11:40 am-3:04 pm

1 stop3h 24m

$339

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Thu 2/26

10:50 am-3:31 pm

1 stop4h 41m

Washington, D.C. Reagan-National

Mon 3/2

12:55 pm-2:30 pm

Nonstop1h 35m

$345

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Thu 2/26

10:50 am-3:31 pm

1 stop4h 41m

Washington, D.C. Reagan-National

Mon 3/2

6:00 am-9:41 am

1 stop3h 41m

$347

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 District of Columbia from

How to get the cheapest flight ticket from Ottawa to District of Columbia

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 District of Columbia?

In general, March is the cheapest month to fly from Ottawa to District of Columbia. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $303. If you don’t want to visit District of Columbia in March, then you should wait until August to fly from Ottawa, when ticket prices are also cheap, with an average price of $306.

What is the cheapest day to depart on your flight to District of Columbia?

The cheapest day to depart on your flight to District of Columbia is on a Friday when prices can be found for as low as $535. This is often the case because there is less demand to fly during this day of the week. On the other hand, Sunday is the most expensive day to depart from Ottawa because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $707.

What is the cheapest time of day to depart on your flight to District of Columbia?

Flying to District of Columbia from Ottawa in the morning is the least expensive time of day to depart. momondo users have found prices as low as $496 when looking at flights departing in the morning. Flights to District of Columbia are more costly at noon, with an average ticket price of $722. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Ottawa to District of Columbia flight route?

Fly from Ottawa to Washington, D.C. Reagan-National for the best Ottawa - District of Columbia flight prices

What cabin class options are available on Ottawa to District of Columbia flights?

There are 4 cabin classes available to choose from on Ottawa to District of Columbia 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 District of Columbia flights?

You could potentially save up to 11% on your flight if you consider stops on a Ottawa to District of Columbia flight.

Cheap Ottawa to District of Columbia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ottawa to District of Columbia

Best Price Found

$194

Fastest flight time

1h 35m

Direct flights

Every day

Airports in District of Columbia

2 airports
The best one-way flight to District of Columbia from Ottawa in the past 72 hours is $194. The best round-trip flight deal from Ottawa to District of Columbia found on momondo in the last 72 hours is $294.
The fastest flight from Ottawa to District of Columbia takes 1h 35m
Direct flights go from Ottawa to District of Columbia every day.
There are 2 airports in District of Columbia. From Ottawa there are direct flights to Washington, D.C. Reagan-National (DCA), Washington, D.C. Dulles Intl (IAD).
Search flight deals

  • When did momondo last update prices for flights from Ottawa Airport to District of Columbia?

    Prices for flights from Ottawa Airport to District of Columbia were last updated today.

  • How many operators does momondo search for flights from Ottawa Airport to District of Columbia?

  • How old do you have to be to fly from Ottawa Airport to District of Columbia?

    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 District of Columbia.

  • What documentation or ID do you need to fly to District of Columbia?

    The travel and health documents required for your trip to District of Columbia 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 District of Columbia. 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 District of Columbia?

Best airlines flying from Ottawa to District of Columbia

Compare and see reviews for airlines that fly from Ottawa to District of Columbia with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $281Free CancellationRating
7.4
9,220 reviews
Search United Airlines flights
Air CanadaPriceFrom $296Free CancellationRating
7.1
10,668 reviews
Search Air Canada flights

Why use momondo?

Why should I use momondo to find a flight deal from Ottawa to District of Columbia?

It is quick and easy to find Ottawa to District of Columbia 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 District of Columbia that suits you.

Can I find flights from Ottawa to District of Columbia with flexible booking policies on momondo?

All flight searches from Ottawa to District of Columbia on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Ottawa to District of Columbia?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Ottawa to District of Columbia.

I’m not ready to book a flight from Ottawa to District of Columbia right now. Can momondo alert me if prices change?

Price alerts on flights to District of Columbia from Ottawa 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 District of Columbia trip

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Find better results for your trip to District of Columbia

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