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Cheap flights from Ottawa to District of Columbia from $168

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 11/24. 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.
Porter Airlines Logo
12:10 pm - 5:14 pmYOW-IAD
5h 04m1 stop
Porter Airlines Logo
11:40 am - 5:29 pmIAD-YOW
5h 49m1 stop
$290Porter Airlines
Find Deal
Fri, Dec 5 - Mon, Dec 8
Porter Airlines Logo
12:10 pm - 5:14 pmYOW-IAD
5h 04m1 stop
Porter Airlines Logo
11:40 am - 3:04 pmIAD-YOW
3h 24m1 stop
$291Porter Airlines
Find Deal
Fri, Dec 19 - Fri, Dec 26
Porter Airlines Logo
6:50 am - 10:24 amYOW-IAD
3h 34m1 stop
Porter Airlines Logo
6:30 pm - 10:29 pmIAD-YOW
3h 59m1 stop
$292Porter Airlines
Find Deal
Fri, Dec 19 - Fri, Dec 19
Porter Airlines Logo
6:50 am - 10:24 amYOW-IAD
3h 34m1 stop
Porter Airlines Logo
11:40 am - 5:29 pmIAD-YOW
5h 49m1 stop
$296Porter Airlines
Find Deal
Wed, Dec 3 - Wed, Dec 10
Multiple Airlines Logo
1:20 pm - 5:14 pmYOW-IAD
3h 54m1 stop
Multiple Airlines Logo
3:33 pm - 11:58 pmIAD-YOW
8h 25m1 stop
$323Multiple Airlines
Find Deal
Sat, Dec 20 - Sun, Jan 11
Multiple Airlines Logo
6:50 am - 10:24 amYOW-IAD
3h 34m1 stop
Multiple Airlines Logo
9:00 am - 5:13 pmIAD-YOW
32h 13m2 stops
$331Multiple Airlines
Find Deal
Wed, Dec 3 - Wed, Dec 10
Air Canada Logo
10:30 am - 12:19 pmYOW-DCA
1h 49mnonstop
Air Canada Logo
12:55 pm - 2:30 pmDCA-YOW
1h 35mnonstop
$352Air Canada
Find Deal
Mon, Dec 22 - Tue, Jan 6
Air Canada Logo
10:30 am - 12:19 pmYOW-DCA
1h 49mnonstop
Air Canada Logo
12:55 pm - 2:30 pmDCA-YOW
1h 35mnonstop
$353Air Canada
Find Deal
Tue, Dec 23 - Tue, Jan 6
American Airlines Logo
6:45 am - 12:40 pmYOW-DCA
5h 55m1 stop
American Airlines Logo
10:04 am - 4:51 pmDCA-YOW
6h 47m1 stop
$434American Airlines
Find Deal
Fri, Dec 5 - Mon, Dec 8
American Airlines Logo
6:45 am - 5:47 pmYOW-DCA
11h 02m2 stops
American Airlines Logo
10:12 am - 4:51 pmDCA-YOW
6h 39m1 stop
$443American Airlines
Find Deal
Mon, Jan 26 - Thu, Feb 5

Porter Airlines flights from Ottawa to District of Columbia

Our best Porter Airlines deals on Ottawa to District of Columbia flight tickets
Porter Airlines
Dec 5
YOW12:10 pmOttawa
5h 04m
1 stop
IAD5:14 pmWashington, D.C. Dulles Intl
Dec 8
IAD11:40 amWashington, D.C. Dulles Intl
5h 49m
1 stop
YOW5:29 pmOttawa
$290
Find similar
Porter Airlines
Dec 19
YOW12:10 pmOttawa
5h 04m
1 stop
IAD5:14 pmWashington, D.C. Dulles Intl
Dec 26
IAD11:40 amWashington, D.C. Dulles Intl
3h 24m
1 stop
YOW3:04 pmOttawa
$291
Find similar
Porter Airlines
Dec 19
YOW6:50 amOttawa
3h 34m
1 stop
IAD10:24 amWashington, D.C. Dulles Intl
Dec 19
IAD6:30 pmWashington, D.C. Dulles Intl
3h 59m
1 stop
YOW10:29 pmOttawa
$292
Find similar

Air Canada flights from Ottawa to District of Columbia

Our best Air Canada deals on Ottawa to District of Columbia flight tickets
Air Canada
Dec 22
YOW10:30 amOttawa
1h 49m
DCA12:19 pmWashington, D.C. Reagan-National
Jan 6
DCA12:55 pmWashington, D.C. Reagan-National
1h 35m
YOW2:30 pmOttawa
$352
Find similar
Air Canada
Dec 23
YOW10:30 amOttawa
1h 49m
DCA12:19 pmWashington, D.C. Reagan-National
Jan 6
DCA12:55 pmWashington, D.C. Reagan-National
1h 35m
YOW2:30 pmOttawa
$353
Find similar
Air Canada
Dec 2
YOW10:30 amOttawa
1h 49m
DCA12:19 pmWashington, D.C. Reagan-National
Dec 9
DCA12:55 pmWashington, D.C. Reagan-National
1h 35m
YOW2:30 pmOttawa
$354
Find similar

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 November 5, 2025.
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

Fri 12/5

12:10 pm-5:14 pm

1 stop5h 04m

Washington, D.C. Dulles Intl

Mon 12/8

11:40 am-5:29 pm

1 stop5h 49m

$290

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Fri 12/19

12:10 pm-5:14 pm

1 stop5h 04m

Washington, D.C. Dulles Intl

Fri 12/26

11:40 am-3:04 pm

1 stop3h 24m

$291

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Fri 12/19

6:50 am-10:24 am

1 stop3h 34m

Washington, D.C. Dulles Intl

Fri 12/19

6:30 pm-10:29 pm

1 stop3h 59m

$292

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Wed 12/3

6:50 am-10:24 am

1 stop3h 34m

Washington, D.C. Dulles Intl

Wed 12/10

11:40 am-5:29 pm

1 stop5h 49m

$296

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Sat 12/20

1:20 pm-5:14 pm

1 stop3h 54m

Washington, D.C. Dulles Intl

Sun 1/11

3:33 pm-11:58 pm

1 stop8h 25m

$323

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Wed 12/3

6:50 am-10:24 am

1 stop3h 34m

Washington, D.C. Dulles Intl

Wed 12/10

9:00 am-5:13 pm

2 stops32h 13m

$331

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Mon 12/22

10:30 am-12:19 pm

Nonstop1h 49m

Washington, D.C. Reagan-National

Tue 1/6

12:55 pm-2:30 pm

Nonstop1h 35m

$352

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Tue 12/23

10:30 am-12:19 pm

Nonstop1h 49m

Washington, D.C. Reagan-National

Tue 1/6

12:55 pm-2:30 pm

Nonstop1h 35m

$353

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Fri 12/5

6:45 am-12:40 pm

1 stop5h 55m

Washington, D.C. Reagan-National

Mon 12/8

10:04 am-4:51 pm

1 stop6h 47m

$434

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Mon 1/26

6:45 am-5:47 pm

2 stops11h 02m

Washington, D.C. Reagan-National

Thu 2/5

10:12 am-4:51 pm

1 stop6h 39m

$443

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 $293. If you don’t want to visit District of Columbia in March, then you should wait until April to fly from Ottawa, when ticket prices are also cheap, with an average price of $301.

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 Monday when prices can be found for as low as $504. This is often the case because there is less demand to fly during this day of the week. On the other hand, Tuesday 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 $656.

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 afternoon is the least expensive time of day to depart. momondo users have found prices as low as $328 when looking at flights departing in the afternoon. Flights to District of Columbia are more costly at noon, with an average ticket price of $675. 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. Dulles Intl for the best Ottawa - District of Columbia flight prices

How far in advance should I book a flight to District of Columbia?

You are more likely to see cheaper flights to District of Columbia from Ottawa when booking weeks ahead of your departure date. In general, you can expect to find flights to District of Columbia for around $407 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to District of Columbia from Ottawa for as low as $244 on momondo.

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 16% 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

$198

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 $198. The best round-trip flight deal from Ottawa to District of Columbia found on momondo in the last 72 hours is $413.
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 near District of Columbia: 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
Porter AirlinesPriceFrom $197Free CancellationRating
8.0
387 reviews
Search Porter Airlines flights
Air CanadaPriceFrom $247Free CancellationRating
7.1
10,404 reviews
Search Air Canada flights
United AirlinesPriceFrom $281Free CancellationRating
7.4
9,001 reviews
Search United Airlines 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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