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Cheap flights from Ottawa to District of Columbia from $169

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 10/3. 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

United Airlines Logo
7:29 pm - 9:12 pmYOW-IAD
1h 43mnonstop
United Airlines Logo
8:25 am - 9:09 pmIAD-YOW
12h 44m2 stops
$312United Airlines
Find Deal
Fri, Oct 3 - Sat, Oct 4
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
$315Porter Airlines
Find Deal
Fri, Dec 26 - Wed, Dec 31
Porter Airlines Logo
8:40 am - 5:14 pmYOW-IAD
8h 34m1 stop
Porter Airlines Logo
11:40 am - 5:29 pmIAD-YOW
5h 49m1 stop
$320Porter Airlines
Find Deal
Thu, Oct 30 - Thu, Nov 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
$321Air Canada
Find Deal
Thu, Oct 30 - Thu, Nov 6
Porter Airlines Logo
8:35 am - 3:06 pmYOW-IAD
6h 31m1 stop
Porter Airlines Logo
4:20 pm - 8:34 pmIAD-YOW
4h 14m1 stop
$322Porter Airlines
Find Deal
Mon, Oct 6 - Wed, Oct 8
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
Thu, Oct 30 - Thu, 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
Thu, Oct 30 - Thu, Nov 6
United Airlines Logo
7:29 pm - 9:12 pmYOW-IAD
1h 43mnonstop
United Airlines Logo
6:15 am - 12:16 pmIAD-YOW
6h 01m1 stop
$338United Airlines
Find Deal
Fri, Oct 3 - Sat, Oct 4
Lufthansa Logo
7:29 pm - 9:12 pmYOW-IAD
1h 43mnonstop
Lufthansa Logo
6:15 am - 11:45 amIAD-YOW
5h 30m1 stop
$346Lufthansa
Find Deal
Fri, Oct 10 - Sun, Oct 12
Lufthansa Logo
7:29 pm - 9:12 pmYOW-IAD
1h 43mnonstop
Lufthansa Logo
5:13 pm - 6:52 pmIAD-YOW
1h 39mnonstop
$347Lufthansa
Find Deal
Fri, Oct 10 - Sun, Oct 12

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 26
YOW6:50 amOttawa
3h 34m
1 stop
IAD10:24 amWashington, D.C. Dulles Intl
Dec 31
IAD11:40 amWashington, D.C. Dulles Intl
5h 49m
1 stop
YOW5:29 pmOttawa
$315
Find similar
Porter Airlines
Oct 30
YOW8:40 amOttawa
8h 34m
1 stop
IAD5:14 pmWashington, D.C. Dulles Intl
Nov 6
IAD11:40 amWashington, D.C. Dulles Intl
5h 49m
1 stop
YOW5:29 pmOttawa
$320
Find similar
Porter Airlines
Oct 6
YOW8:35 amOttawa
6h 31m
1 stop
IAD3:06 pmWashington, D.C. Dulles Intl
Oct 8
IAD4:20 pmWashington, D.C. Dulles Intl
4h 14m
1 stop
YOW8:34 pmOttawa
$322
Find similar

Lufthansa flights from Ottawa to District of Columbia

Our best Lufthansa deals on Ottawa to District of Columbia flight tickets
Lufthansa
Oct 10
YOW7:29 pmOttawa
1h 43m
IAD9:12 pmWashington, D.C. Dulles Intl
Oct 12
IAD6:15 amWashington, D.C. Dulles Intl
5h 30m
1 stop
YOW11:45 amOttawa
$346
Find similar
Lufthansa
Oct 10
YOW7:29 pmOttawa
1h 43m
IAD9:12 pmWashington, D.C. Dulles Intl
Oct 12
IAD5:13 pmWashington, D.C. Dulles Intl
1h 39m
YOW6:52 pmOttawa
$347
Find similar
Lufthansa
Oct 10
YOW6:05 amOttawa
4h 23m
1 stop
DCA10:28 amWashington, D.C. Reagan-National
Oct 12
DCA7:00 amWashington, D.C. Reagan-National
4h 45m
1 stop
YOW11:45 amOttawa
$352
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 September 16, 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 10/3

7:29 pm-9:12 pm

Nonstop1h 43m

Washington, D.C. Dulles Intl

Sat 10/4

8:25 am-9:09 pm

2 stops12h 44m

$312

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Fri 12/26

6:50 am-10:24 am

1 stop3h 34m

Washington, D.C. Dulles Intl

Wed 12/31

11:40 am-5:29 pm

1 stop5h 49m

$315

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Thu 10/30

8:40 am-5:14 pm

1 stop8h 34m

Washington, D.C. Dulles Intl

Thu 11/6

11:40 am-5:29 pm

1 stop5h 49m

$320

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Thu 10/30

10:30 am-12:19 pm

Nonstop1h 49m

Washington, D.C. Reagan-National

Thu 11/6

12:55 pm-2:30 pm

Nonstop1h 35m

$321

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Mon 10/6

8:35 am-3:06 pm

1 stop6h 31m

Washington, D.C. Dulles Intl

Wed 10/8

4:20 pm-8:34 pm

1 stop4h 14m

$322

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Thu 10/30

10:30 am-12:19 pm

Nonstop1h 49m

Washington, D.C. Reagan-National

Thu 11/6

6:00 am-12:22 pm

1 stop6h 22m

$323

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Thu 10/30

10:50 am-3:56 pm

1 stop5h 06m

Washington, D.C. Reagan-National

Thu 11/6

6:00 am-12:22 pm

1 stop6h 22m

$324

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Fri 10/3

7:29 pm-9:12 pm

Nonstop1h 43m

Washington, D.C. Dulles Intl

Sat 10/4

6:15 am-12:16 pm

1 stop6h 01m

$338

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Fri 10/10

7:29 pm-9:12 pm

Nonstop1h 43m

Washington, D.C. Dulles Intl

Sun 10/12

6:15 am-11:45 am

1 stop5h 30m

$346

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Fri 10/10

7:29 pm-9:12 pm

Nonstop1h 43m

Washington, D.C. Dulles Intl

Sun 10/12

5:13 pm-6:52 pm

Nonstop1h 39m

$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 $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 Friday when prices can be found for as low as $554. 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 $698.

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 $679. 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

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 $400 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 $250 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 7% 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

$195

Fastest flight time

1h 43m

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 $195. The best round-trip flight deal from Ottawa to District of Columbia found on momondo in the last 72 hours is $284.
The fastest flight from Ottawa to District of Columbia takes 1h 43m
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
7.9
363 reviews
Search Porter Airlines flights
United AirlinesPriceFrom $281Free CancellationRating
7.4
8,924 reviews
Search United Airlines flights
Air CanadaPriceFrom $284Free CancellationRating
7.1
10,000 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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