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District of Columbia

$154+ Cheap flights from Ottawa (YOW) to District of Columbia

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/21. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — IAD
Jan 20 — Jan 271
Tue 1/20
Tue 1/27
1 adult, Economy
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Cheap flight deals from Ottawa to District of Columbia

Cheapest flights from Ottawa to District of Columbia
Explore the most affordable flight options available from Ottawa to District of Columbia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 21, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/294:20 pmYOW - IAD
2 stops23h 38mMultiple Airlines
Sun 1/187:27 pmIAD - YOW
1 stop21h 48mMultiple Airlines
Deal found 12/20$495
This Gotogate deal was found by Cheapflights users on 12/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/296:50 amYOW - IAD
1 stop3h 34mPorter Airlines
Mon 1/511:35 amIAD - YOW
1 stop5h 54mPorter Airlines
Deal found 12/20$595
This Kiwi.com deal was found by Cheapflights users on 12/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/294:20 pmYOW - IAD
2 stops23h 38mMultiple Airlines
Mon 1/511:35 amIAD - YOW
1 stop3h 29mMultiple Airlines
Deal found 12/20$605
This United Airlines deal was found by Cheapflights users on 12/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/292:15 pmYOW - IAD
Nonstop1h 58mUnited Airlines
Sun 1/1810:10 pmIAD - YOW
Nonstop1h 44mUnited Airlines
Deal found 12/20$614
This Gotogate deal was found by Cheapflights users on 12/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2812:10 pmYOW - IAD
1 stop5h 04mPorter Airlines
Fri 1/211:35 amIAD - YOW
1 stop5h 54mPorter Airlines
Deal found 12/20$701
This Kiwi.com deal was found by Cheapflights users on 12/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/246:50 amYOW - IAD
1 stop3h 34mMultiple Airlines
Wed 12/316:05 amIAD - YOW
2 stops11h 20mMultiple Airlines
Deal found 12/20$708
This United Airlines deal was found by Cheapflights users on 12/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/297:27 pmYOW - IAD
Nonstop1h 58mUnited Airlines
Mon 1/55:10 pmIAD - YOW
Nonstop1h 42mUnited Airlines
Deal found 12/20$712
This Kiwi.com deal was found by Cheapflights users on 12/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/251:20 pmYOW - IAD
1 stop21h 04mMultiple Airlines
Wed 12/317:01 pmIAD - YOW
2 stops22h 24mMultiple Airlines
Deal found 12/18$713
This United Airlines deal was found by Cheapflights users on 12/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/289:45 amYOW - IAD
Nonstop2h 02mUnited Airlines
Fri 1/28:20 amIAD - YOW
1 stop5h 12mUnited Airlines
Deal found 12/20$757
This United Airlines deal was found by Cheapflights users on 12/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/257:27 pmYOW - IAD
Nonstop1h 58mUnited Airlines
Wed 12/311:00 pmIAD - YOW
1 stop8h 18mUnited Airlines
Deal found 12/18$758
This FlightHub deal was found by Cheapflights users on 12/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/201:20 pmYOW - IAD
1 stop3h 54mPorter Airlines
Sat 1/311:35 amIAD - YOW
1 stop6h 04mPorter Airlines
Deal found 12/19$761
This United Airlines deal was found by Cheapflights users on 12/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/256:15 amYOW - DCA
1 stop8h 02mUnited Airlines
Wed 12/3110:10 amDCA - YOW
1 stop6h 17mUnited Airlines
Deal found 12/18$764

Find flight deals from Ottawa to District of Columbia

Keep the following information in mind while searching for Ottawa to District of Columbia flight deals. Data was last updated December 21, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$276
(FlightHub)

One-way from

$154
(Kiwi.com)

Popular in

November

Cheapest in

March

Average price

$343

Good round-trip deal

$304 or less

Good one-way deal

$161 or less
Provider with most accurate pricing for Ottawa-Washington, D.C. (WAS) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Ottawa-Washington, D.C. (WAS) flights.
Search Deals
From Ottawa to District of Columbia
Search Deals
One-way flight from Ottawa to District of Columbia
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($28 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Ottawa to District of Columbia.
Search Deals
Price to beat on a one-way flight from Ottawa to District of Columbia.
Search Deals

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated December 21, 2025.
Use the filters below to find and compare flights from Ottawa to District of Columbia that are best for you.

Fly from

Ottawa

Fly to

District of Columbia

Route

Depart

Return

Price

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Tue 1/20

2:15 pm-4:13 pm

Nonstop1h 58m

Washington, D.C. Dulles Intl

Sun 1/25

10:10 pm-11:54 pm

Nonstop1h 44m

$284

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Wed 1/21

2:15 pm-4:13 pm

Nonstop1h 58m

Washington, D.C. Dulles Intl

Fri 1/23

10:10 pm-11:54 pm

Nonstop1h 44m

$284

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Thu 1/22

10:45 am-3:33 pm

1 stop4h 48m

Washington, D.C. Reagan-National

Sun 1/25

11:05 am-4:23 pm

1 stop5h 18m

$291

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Mon 1/26

6:05 pm-10:35 pm

1 stop4h 30m

Washington, D.C. Reagan-National

Fri 2/6

12:55 pm-2:30 pm

Nonstop1h 35m

$296

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Fri 2/13

12:10 pm-5:14 pm

1 stop5h 04m

Washington, D.C. Dulles Intl

Mon 2/16

11:40 am-7:54 pm

1 stop8h 14m

$300

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Mon 1/26

7:00 am-10:19 am

1 stop3h 19m

Washington, D.C. Dulles Intl

Thu 2/5

11:40 am-3:04 pm

1 stop3h 24m

$306

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Thu 1/29

7:27 pm-9:25 pm

Nonstop1h 58m

Washington, D.C. Dulles Intl

Mon 2/2

8:20 am-5:12 pm

1 stop8h 52m

$306

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Tue 2/3

10:30 am-12:19 pm

Nonstop1h 49m

Washington, D.C. Reagan-National

Mon 2/9

12:55 pm-2:30 pm

Nonstop1h 35m

$306

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Mon 1/26

2:15 pm-4:13 pm

Nonstop1h 58m

Washington, D.C. Dulles Intl

Thu 2/5

8:29 am-1:32 pm

1 stop5h 03m

$306

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Mon 2/2

10:30 am-12:19 pm

Nonstop1h 49m

Washington, D.C. Reagan-National

Tue 2/3

12:55 pm-2:30 pm

Nonstop1h 35m

$306

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/20

Showing 1-10 of 31 results
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Best time to book a flight from Ottawa to District of Columbia

Have a flexible travel schedule? Discover the best time to fly to District of Columbia from Ottawa with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Ottawa to District of Columbia

What is the cheapest month to book a flight from Ottawa to District of Columbia?

Currently, April is the cheapest month in which you can book a flight from Ottawa to District of Columbia (average of $73). Flying from Ottawa to District of Columbia in July is currently the most expensive (average of $238). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from YOW to DC?

Find hourly flight availability from Ottawa to District of Columbia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 21, 2025.

When flying from Ottawa to District of Columbia, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 17% versus a flight in the afternoon.

Weekly flight availability from Ottawa to District of Columbia

Explore weekly flight availability from Ottawa to District of Columbia. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated December 21, 2025.

The most flights from YOW to USDC are scheduled on a Monday (6 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (6 on average).

How much does it cost to fly round-trip from Ottawa to District of Columbia?

Reviews of airlines servicing District of Columbia

Get insights into the airlines that provide service to District of Columbia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to District of Columbia. Reviews last updated December 21, 2025.
Get a feel of what it's like to fly with Porter Airlines, United Airlines, and Air Canada from Ottawa to District of Columbia by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
399 reviews

Crew

8.6

Boarding

8.2

Food

7.6

Overall

8.0

Entertainment

7.0

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Porter Airlines
8.0
Very good
399 reviews
Porter Airlines
8.0
Very good
399 reviews

Crew

8.6

Boarding

8.2

Food

7.6

Overall

8.0

Entertainment

7.0

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
United Airlines
7.4
Good
9,099 reviews
Porter Airlines
8.0
Very good
399 reviews

Crew

8.6

Boarding

8.2

Food

7.6

Overall

8.0

Entertainment

7.0

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Air Canada
7.1
Good
10,550 reviews
Porter Airlines
8.0
Very good
399 reviews

Crew

8.6

Boarding

8.2

Food

7.6

Overall

8.0

Entertainment

7.0

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out

Related info for your journey

Find useful and relevant information for your journey from Ottawa to District of Columbia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Ottawa to District of Columbia?

    Located just 6.6 mi from the city center, Ottawa (YOW) is the airport most travelers will use when flying to District of Columbia from Ottawa.

  • How long is the flight from Ottawa to District of Columbia?

    United Airlines, Air Canada, and Porter Airlines can get you from Ottawa to District of Columbia in just under 1h 58m. Your travel time can differ by up to 3h 06m. Ottawa and District of Columbia are separated by a distance of 449 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Ottawa to District of Columbia one-way?

    The cheapest airlines for a one-way flight from Ottawa to District of Columbia are Porter Airlines ($134), Air Canada ($161), and United Airlines ($176).

  • What are the most reliable airlines from Ottawa to District of Columbia?

    The top 3 most reliable airlines when flying from Ottawa to District of Columbia are Republic Airways (76%), Avianca (75%) and United Airlines (74%).

  • What are the cheapest flights from Ottawa to District of Columbia?

    The cheapest flight price from Ottawa to District of Columbia is $166. On average you can expect to pay $622. The most popular route, (Ottawa - Washington, D.C. Dulles Intl), can usually be booked for $264.

  • Can I find deals for flights from Ottawa to District of Columbia that include hotel bookings?

    Yes. In addition to deals on Ottawa to District of Columbia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ottawa to District of Columbia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ottawa to District of Columbia.

  • Can I find deals for business class flights from Ottawa to District of Columbia?

    Yes. Cheapflights offers flight deals from Ottawa to District of Columbia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Ottawa to District of Columbia?

    Currently, April is the cheapest month in which you can book a flight from Ottawa to District of Columbia (average of $73). Flying from Ottawa to District of Columbia in July is currently the most expensive (average of $238). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Ottawa to District of Columbia

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Ottawa to District of Columbia

Discover the top 2 airlines that operate flights from Ottawa to District of Columbia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$281Average$443FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$296Average$397FlexibilityNo cancel feeOn-time67%

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