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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 10/5. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Ottawa to District of Columbia

Cheap round-trip flights

Enter your travel dates to find the best prices.
Porter Airlines Logo
10:40 am - 3:11 pm
YOW
-
IAD
4h 31m
1 stop
Porter Airlines Logo
3:50 pm - 8:04 pm
IAD
-
YOW
4h 14m
1 stop
$292Porter Airlines
Fri, Jul 31 - Mon, Aug 3
Porter Airlines Logo
10:40 am - 3:11 pm
YOW
-
IAD
4h 31m
1 stop
Porter Airlines Logo
3:55 pm - 8:04 pm
IAD
-
YOW
4h 09m
1 stop
$294Porter Airlines
Wed, Jul 8 - Wed, Jul 15
Porter Airlines Logo
10:40 am - 3:10 pm
YOW
-
IAD
4h 30m
1 stop
Porter Airlines Logo
3:50 pm - 8:04 pm
IAD
-
YOW
4h 14m
1 stop
$295Porter Airlines
Tue, Aug 4 - Mon, Aug 10
Porter Airlines Logo
10:40 am - 3:10 pm
YOW
-
IAD
4h 30m
1 stop
Porter Airlines Logo
3:50 pm - 8:04 pm
IAD
-
YOW
4h 14m
1 stop
$296Porter Airlines
Mon, Sep 21 - Fri, Sep 25
Porter Airlines Logo
10:40 am - 3:11 pm
YOW
-
IAD
4h 31m
1 stop
Porter Airlines Logo
3:55 pm - 8:04 pm
IAD
-
YOW
4h 09m
1 stop
$297Porter Airlines
Thu, Jul 16 - Tue, Jul 21
Porter Airlines Logo
9:15 am - 3:11 pm
YOW
-
IAD
5h 56m
1 stop
Porter Airlines Logo
3:55 pm - 9:44 pm
IAD
-
YOW
5h 49m
1 stop
$298Porter Airlines
Sat, Jul 11 - Thu, Jul 16
Air Canada Logo
10:25 am - 12:00 pm
YOW
-
DCA
1h 35mnonstop
Air Canada Logo
12:40 pm - 2:12 pm
DCA
-
YOW
1h 32mnonstop
$299Air Canada
Fri, Sep 25 - Mon, Sep 28
Porter Airlines Logo
10:40 am - 3:11 pm
YOW
-
IAD
4h 31m
1 stop
Porter Airlines Logo
3:55 pm - 9:44 pm
IAD
-
YOW
5h 49m
1 stop
$299Porter Airlines
Fri, Jul 17 - Mon, Jul 20
Porter Airlines Logo
10:40 am - 3:11 pm
YOW
-
IAD
4h 31m
1 stop
Porter Airlines Logo
3:55 pm - 8:04 pm
IAD
-
YOW
4h 09m
1 stop
$300Porter Airlines
Sat, Jul 11 - Fri, Jul 17
Air Canada Logo
10:25 am - 12:00 pm
YOW
-
DCA
1h 35mnonstop
Air Canada Logo
4:20 pm - 8:50 pm
DCA
-
YOW
4h 30m
1 stop
$308Air Canada
Fri, Sep 25 - Mon, Sep 28

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United Airlines flights from Ottawa to District of Columbia

Our best United Airlines deals on Ottawa to District of Columbia flight tickets
United Airlines
Sep 1
YOW7:34 pmOttawa
1h 44m
IAD9:18 pmWashington, D.C. Dulles Intl
Sep 2
IAD8:35 amWashington, D.C. Dulles Intl
8h 03m
1 stop
YOW4:38 pmOttawa
$342
United Airlines
Jul 19
YOW6:05 amOttawa
3h 30m
1 stop
DCA9:35 amWashington, D.C. Reagan-National
Jul 26
DCA8:25 amWashington, D.C. Reagan-National
13h 10m
1 stop
YOW9:35 pmOttawa
$443
United Airlines
Jul 6
YOW7:30 pmOttawa
1h 43m
IAD9:13 pmWashington, D.C. Dulles Intl
Jul 9
IAD5:06 pmWashington, D.C. Dulles Intl
1h 42m
YOW6:48 pmOttawa
$557

Porter Airlines flights from Ottawa to District of Columbia

Our best Porter Airlines deals on Ottawa to District of Columbia flight tickets
Porter Airlines
Jul 31
YOW10:40 amOttawa
4h 31m
1 stop
IAD3:11 pmWashington, D.C. Dulles Intl
Aug 3
IAD3:50 pmWashington, D.C. Dulles Intl
4h 14m
1 stop
YOW8:04 pmOttawa
$292
Porter Airlines
Jul 8
YOW10:40 amOttawa
4h 31m
1 stop
IAD3:11 pmWashington, D.C. Dulles Intl
Jul 15
IAD3:55 pmWashington, D.C. Dulles Intl
4h 09m
1 stop
YOW8:04 pmOttawa
$294
Porter Airlines
Aug 4
YOW10:40 amOttawa
4h 30m
1 stop
IAD3:10 pmWashington, D.C. Dulles Intl
Aug 10
IAD3:50 pmWashington, D.C. Dulles Intl
4h 14m
1 stop
YOW8:04 pmOttawa
$295

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 June 23, 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

Cheapest round-trip

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Fri 7/31

10:40 am-3:11 pm

1 stop4h 31m

Washington, D.C. Dulles Intl

Mon 8/3

3:50 pm-8:04 pm

1 stop4h 14m

$292

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Wed 7/8

10:40 am-3:11 pm

1 stop4h 31m

Washington, D.C. Dulles Intl

Wed 7/15

3:55 pm-8:04 pm

1 stop4h 09m

$294

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Tue 8/4

10:40 am-3:10 pm

1 stop4h 30m

Washington, D.C. Dulles Intl

Mon 8/10

3:50 pm-8:04 pm

1 stop4h 14m

$295

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Mon 9/21

10:40 am-3:10 pm

1 stop4h 30m

Washington, D.C. Dulles Intl

Fri 9/25

3:50 pm-8:04 pm

1 stop4h 14m

$296

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Thu 7/16

10:40 am-3:11 pm

1 stop4h 31m

Washington, D.C. Dulles Intl

Tue 7/21

3:55 pm-8:04 pm

1 stop4h 09m

$297

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Sat 7/11

9:15 am-3:11 pm

1 stop5h 56m

Washington, D.C. Dulles Intl

Thu 7/16

3:55 pm-9:44 pm

1 stop5h 49m

$298
Quickest round-trip

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Fri 9/25

10:25 am-12:00 pm

Nonstop1h 35m

Washington, D.C. Reagan-National

Mon 9/28

12:40 pm-2:12 pm

Nonstop1h 32m

$299

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Fri 7/17

10:40 am-3:11 pm

1 stop4h 31m

Washington, D.C. Dulles Intl

Mon 7/20

3:55 pm-9:44 pm

1 stop5h 49m

$299

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Sat 7/11

10:40 am-3:11 pm

1 stop4h 31m

Washington, D.C. Dulles Intl

Fri 7/17

3:55 pm-8:04 pm

1 stop4h 09m

$300

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Fri 9/25

10:25 am-12:00 pm

Nonstop1h 35m

Washington, D.C. Reagan-National

Mon 9/28

4:20 pm-8:50 pm

1 stop4h 30m

$308

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, August 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 $114. If you don’t want to visit District of Columbia in August, then you should wait until February to fly from Ottawa, when ticket prices are also cheap, with an average price of $134.

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 Wednesday when prices can be found for as low as $551. 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 $694.

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 $487 when looking at flights departing in the morning. Flights to District of Columbia are more costly at noon, with an average ticket price of $738. 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?

No. A direct flight is the cheapest option for a flight between Ottawa to District of Columbia.

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

$281

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 $281. The best round-trip flight deal from Ottawa to District of Columbia found on momondo in the last 72 hours is $388.
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

Frequently asked questions about flying from Ottawa to District of Columbia

  • 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
Air CanadaPriceFrom $284Free CancellationRating
7.1
11,244 reviews
Search Air Canada flights
United AirlinesPriceFrom $344Free CancellationRating
7.4
9,876 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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