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Cheap flights from Ottawa to District of Columbia from $162

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 8/26. 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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Find the cheapest flights from Ottawa to District of Columbia

Cheap round-trip flights

Porter Airlines Logo
11:00 am - 2:56 pmYOW-IAD
3h 56m1 stop
Porter Airlines Logo
4:10 pm - 7:38 pmIAD-YOW
3h 28m1 stop
$275Porter Airlines
Find Deal
Thu, Aug 21 - Mon, Aug 25
Porter Airlines Logo
9:35 am - 3:06 pmYOW-IAD
5h 31m1 stop
Porter Airlines Logo
4:20 pm - 7:59 pmIAD-YOW
3h 39m1 stop
$281Porter Airlines
Find Deal
Sat, Sep 13 - Sun, Sep 14
Lufthansa Logo
7:29 pm - 9:12 pmYOW-IAD
1h 43mnonstop
Lufthansa Logo
6:20 am - 11:45 amIAD-YOW
5h 25m1 stop
$285Lufthansa
Find Deal
Sat, Sep 13 - Sun, Sep 14
United Airlines Logo
2:48 pm - 8:41 pmYOW-IAD
5h 53m1 stop
United Airlines Logo
8:16 am - 9:58 amIAD-YOW
1h 42mnonstop
$288United Airlines
Find Deal
Sat, Sep 13 - Sun, Sep 14
Air Canada Logo
6:00 am - 10:18 amYOW-DCA
4h 18m1 stop
Air Canada Logo
6:00 am - 10:24 amDCA-YOW
4h 24m1 stop
$301Air Canada
Find Deal
Fri, Aug 22 - Mon, Aug 25
Air Canada Logo
6:00 am - 10:18 amYOW-DCA
4h 18m1 stop
Air Canada Logo
12:55 pm - 2:27 pmDCA-YOW
1h 32mnonstop
$302Air Canada
Find Deal
Fri, Aug 22 - Mon, Aug 25
United Airlines Logo
2:45 pm - 4:28 pmYOW-IAD
1h 43mnonstop
United Airlines Logo
8:16 am - 9:58 amIAD-YOW
1h 42mnonstop
$306United Airlines
Find Deal
Thu, Aug 21 - Thu, Aug 28
Lufthansa Logo
7:29 pm - 9:12 pmYOW-IAD
1h 43mnonstop
Lufthansa Logo
8:16 am - 9:58 amIAD-YOW
1h 42mnonstop
$323Lufthansa
Find Deal
Sat, Sep 13 - Sun, Sep 14
Logo
10:25 am - 12:03 pmYOW-DCA
1h 38mnonstop
Logo
12:55 pm - 2:27 pmDCA-YOW
1h 32mnonstop
$393
Find Deal
Fri, Aug 22 - Mon, Aug 25
Logo
6:00 am - 10:20 amYOW-DCA
4h 20m1 stop
Logo
9:40 am - 12:22 amDCA-YOW
14h 42m2 stops
$409
Find Deal
Sat, Sep 13 - Sun, Sep 14

Porter Airlines flights from Ottawa to District of Columbia

Our best Porter Airlines deals on Ottawa to District of Columbia flight tickets
Porter Airlines
Aug 21
YOW11:00 amOttawa
3h 56m
1 stop
IAD2:56 pmWashington, D.C. Dulles Intl
Aug 25
IAD4:10 pmWashington, D.C. Dulles Intl
3h 28m
1 stop
YOW7:38 pmOttawa
$275
Find similar
Porter Airlines
Sep 13
YOW9:35 amOttawa
5h 31m
1 stop
IAD3:06 pmWashington, D.C. Dulles Intl
Sep 14
IAD4:20 pmWashington, D.C. Dulles Intl
3h 39m
1 stop
YOW7:59 pmOttawa
$281
Find similar
Porter Airlines
Aug 22
YOW9:35 amOttawa
5h 21m
1 stop
IAD2:56 pmWashington, D.C. Dulles Intl
Aug 25
IAD4:10 pmWashington, D.C. Dulles Intl
4h 53m
1 stop
YOW9:03 pmOttawa
$282
Find similar

Lufthansa flights from Ottawa to District of Columbia

Our best Lufthansa deals on Ottawa to District of Columbia flight tickets
Lufthansa
Sep 13
YOW7:29 pmOttawa
1h 43m
IAD9:12 pmWashington, D.C. Dulles Intl
Sep 14
IAD6:20 amWashington, D.C. Dulles Intl
5h 25m
1 stop
YOW11:45 amOttawa
$285
Find similar
Lufthansa
Sep 13
YOW7:29 pmOttawa
1h 43m
IAD9:12 pmWashington, D.C. Dulles Intl
Sep 14
IAD8:16 amWashington, D.C. Dulles Intl
1h 42m
YOW9:58 amOttawa
$323
Find similar
Lufthansa
Aug 21
YOW7:29 pmOttawa
1h 43m
IAD9:12 pmWashington, D.C. Dulles Intl
Aug 25
IAD8:16 amWashington, D.C. Dulles Intl
1h 42m
YOW9:58 amOttawa
$325
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 August 2, 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

Thu 8/21

11:00 am-2:56 pm

1 stop3h 56m

Washington, D.C. Dulles Intl

Mon 8/25

4:10 pm-7:38 pm

1 stop3h 28m

$275

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Sat 9/13

9:35 am-3:06 pm

1 stop5h 31m

Washington, D.C. Dulles Intl

Sun 9/14

4:20 pm-7:59 pm

1 stop3h 39m

$281

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Sat 9/13

7:29 pm-9:12 pm

Nonstop1h 43m

Washington, D.C. Dulles Intl

Sun 9/14

6:20 am-11:45 am

1 stop5h 25m

$285

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Sat 9/13

2:48 pm-8:41 pm

1 stop5h 53m

Washington, D.C. Dulles Intl

Sun 9/14

8:16 am-9:58 am

Nonstop1h 42m

$288

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Fri 8/22

6:00 am-10:18 am

1 stop4h 18m

Washington, D.C. Reagan-National

Mon 8/25

6:00 am-10:24 am

1 stop4h 24m

$301

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Fri 8/22

6:00 am-10:18 am

1 stop4h 18m

Washington, D.C. Reagan-National

Mon 8/25

12:55 pm-2:27 pm

Nonstop1h 32m

$302

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Thu 8/21

2:45 pm-4:28 pm

Nonstop1h 43m

Washington, D.C. Dulles Intl

Thu 8/28

8:16 am-9:58 am

Nonstop1h 42m

$306

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Sat 9/13

7:29 pm-9:12 pm

Nonstop1h 43m

Washington, D.C. Dulles Intl

Sun 9/14

8:16 am-9:58 am

Nonstop1h 42m

$323

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Fri 8/22

10:25 am-12:03 pm

Nonstop1h 38m

Washington, D.C. Reagan-National

Mon 8/25

12:55 pm-2:27 pm

Nonstop1h 32m

$393

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Sat 9/13

6:00 am-10:20 am

1 stop4h 20m

Washington, D.C. Reagan-National

Sun 9/14

9:40 am-12:22 am

2 stops14h 42m

$409

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 $538. 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 $678.

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 $704. 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.

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

$162

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 $162. The best round-trip flight deal from Ottawa to District of Columbia found on momondo in the last 72 hours is $275.
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
318 reviews
Search Porter Airlines flights
United AirlinesPriceFrom $240Free CancellationRating
7.4
8,904 reviews
Search United Airlines flights
Air CanadaPriceFrom $275Free CancellationRating
7.1
9,855 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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