How long is the flight from Washington, D.C. to Ottawa?

Airlines like Air Canada and United Airlines fly from Washington, D.C. to Ottawa in about 4h 35m. The time it takes to get you to your destination can typically vary by up to 59m. Airlines will cover a distance of 452 mi. Both multi-stop and direct flights can be found to your destination and back.

In terms of precipitation, rainfall in Ottawa ranges from 50.0 - 93.0 inches per month. June is typically the wettest month, when rainfall can reach 93.0 mm. February is typically the driest time to visit Ottawa when rainfall is around 50.0 mm.

If weather is an important factor for your trip to Ottawa, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -10.0 C).

What are the most reliable airlines from Washington, D.C. to Ottawa?

Consider Republic Airways (87%), Air Canada (86%) or Avianca (85%) when booking your flight. These represent the most reliable airlines when flying from Washington, D.C. to Ottawa.

What airport do you fly into for flights to Ottawa from Washington, D.C.?

Located just 6.6 mi from the city center, Ottawa is the airport most travelers will use when flying to Ottawa from Washington, D.C.. Booking flights from Washington, D.C. to Ottawa (YOW) should be relatively easy as there are 10 daily inbound flights from Washington, D.C. from 0 different airlines.

Can I find deals for flights from Washington, D.C. to Ottawa that include hotel bookings?

Yes. In addition to deals on Washington, D.C. to Ottawa flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Washington, D.C. to Ottawa?

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

Can I find deals for business class flights from Washington, D.C. to Ottawa?

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

£176+ Cheap Flights from Washington, D.C. to Ottawa

Q: How much does it cost for a return flight from Washington, D.C. to Ottawa?

Airfare is typical for this route at the moment. Washington, D.C. to Ottawa flights typically cost between £262 and £437 in July. The cheapest return flight price found within the last 3 days was £316 on Air Canada (27 Jul-3 Aug).

Cheap flight deals from Washington, D.C. to Ottawa

Enter your travel dates to find the best prices.

Cheapest

Best

Direct

Last-minute

One-way

Cheapest flights from Washington, D.C. to Ottawa
Explore the most affordable flight options available from Washington, D.C. to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 July 2026.

Mon 27/712:40

DCA

YOW

Nonstop1h 31m

Air Canada

Mon 3/810:25

YOW

DCA

Nonstop1h 35m

Air Canada

Deal found 29/6£316

Wed 15/708:25

DCA

YOW

1 stop5h 34m

United Airlines

Wed 15/717:50

YOW

DCA

1 stop4h 03m

United Airlines

Deal found 29/6£373

Fri 24/710:07

DCA

YOW

1 stop6h 31m

United Airlines

Sun 26/706:05

YOW

DCA

1 stop3h 30m

United Airlines

Deal found 30/6£396

Fri 17/712:40

DCA

YOW

Nonstop1h 31m

Multiple Airlines

Sun 19/710:25

YOW

DCA

Nonstop1h 35m

Multiple Airlines

Deal found 2/7£401

Mon 13/712:40

DCA

YOW

Nonstop1h 31m

United Airlines

Mon 13/717:50

YOW

DCA

1 stop4h 03m

United Airlines

Deal found 29/6£406

Sat 25/715:05

DCA

YOW

1 stop7h 00m

United Airlines

Fri 31/715:10

YOW

DCA

1 stop4h 38m

United Airlines

Deal found 30/6£410

Sun 26/712:40

DCA

YOW

Nonstop1h 31m

United Airlines

Sun 2/810:25

YOW

DCA

Nonstop1h 35m

United Airlines

Deal found 28/6£418

Fri 17/712:40

DCA

YOW

Nonstop1h 31m

United Airlines

Sun 19/706:05

YOW

DCA

1 stop3h 30m

United Airlines

Deal found 2/7£424

Sun 19/708:30

DCA

YOW

1 stop8h 08m

United Airlines

Sun 26/706:05

YOW

DCA

1 stop6h 18m

United Airlines

Deal found 30/6£449

Find flight deals from Washington, D.C. to Ottawa

Round-trip from	£316
One-way from	£176
Popular in	December
Cheapest in	October
Average price	£348

Air Canada
27/7-3/8
Nonstop
3h 06m total
Washington, D.C. to Ottawa

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United Airlines
16/8
1 total stop
12h 51m total
Washington, D.C. to Ottawa

Search Deals

Highest demand for flights based on searches. 7% potential increase in price (£23 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£7 potential savings vs. average return price).

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Average for round-trip flights in July 2026

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Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. to Ottawa that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Fastest return journey

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Mon 27/7

12:40-14:11

Nonstop1h 31m

Ottawa

Mon 3/8

10:25-12:00

Nonstop1h 35m

£316

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Fri 24/7

10:07-16:38

1 stop6h 31m

Ottawa

Sat 25/7

17:50-21:53

1 stop4h 03m

£396

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Sat 25/7

15:05-22:05

1 stop7h 00m

Ottawa

Sun 26/7

06:05-09:35

1 stop3h 30m

£396

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Sun 26/7

08:30-22:05

1 stop13h 35m

Ottawa

Sun 2/8

06:05-09:35

1 stop3h 30m

£396

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Fri 7/8

10:07-22:05

1 stop11h 58m

Ottawa

Sun 9/8

06:05-09:35

1 stop3h 30m

£396

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Fri 24/7

10:07-16:38

1 stop6h 31m

Ottawa

Sun 26/7

06:05-09:35

1 stop3h 30m

£396

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Fri 17/7

12:40-14:11

Nonstop1h 31m

Ottawa

Sun 19/7

06:05-09:35

1 stop3h 30m

£424

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Thu 6/8

12:40-14:11

Nonstop1h 31m

Ottawa

Sun 9/8

10:25-12:00

Nonstop1h 35m

£471

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Tue 21/7

11:00-21:15

2 stops10h 15m

Ottawa

Fri 24/7

06:00-10:18

1 stop4h 18m

£480

Cheapest one-way

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Sun 16/8

20:20-09:11

1 stop12h 51m

£176

Flights are sorted by cheapest return flights first.

Deals found on 2/7

Showing 1-10 of 14 resultsSorted by cheapest first

Best time to book a flight from Washington, D.C. to Ottawa

Have a flexible travel schedule? Discover the best time to fly to Ottawa from Washington, D.C. with our price prediction graph.

WAS-YOW

DCA-YOW

Estimated return 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 Washington, D.C. to Ottawa

WAS-YOW

DCA-YOW

What is the cheapest month to book a flight from Washington, D.C. to Ottawa?

Currently, December is the cheapest month in which you can book a flight from Washington, D.C. to Ottawa (average of £106). Flying from Washington, D.C. to Ottawa in February is currently the most expensive (average of £255). 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 WAS to YOW?

When flying from Washington, D.C. to Ottawa, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Washington, D.C. to Ottawa

The most flights from WAS to YOW are scheduled on a Monday (11 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (8 on average).

How much does it cost for a return flight from Washington, D.C. to Ottawa?

How far ahead should I book a flight from Washington, D.C. to Ottawa?

The price you pay for your flight from Washington, D.C. to Ottawa may vary depending on when you book. For the best chance of a lower fare, look to book 30 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Related info for your journey

What airport do you fly into for flights to Ottawa from Washington, D.C.?
Located just 6.6 mi from the city center, Ottawa is the airport most travelers will use when flying to Ottawa from Washington, D.C.. Booking flights from Washington, D.C. to Ottawa (YOW) should be relatively easy as there are 10 daily inbound flights from Washington, D.C. from 0 different airlines.
How long is the flight from Washington, D.C. to Ottawa?
Airlines like Air Canada and United Airlines fly from Washington, D.C. to Ottawa in about 4h 35m. The time it takes to get you to your destination can typically vary by up to 59m. Airlines will cover a distance of 452 mi. Both multi-stop and direct flights can be found to your destination and back.
What are the most reliable airlines from Washington, D.C. to Ottawa?
Consider Republic Airways (87%), Air Canada (86%) or Avianca (85%) when booking your flight. These represent the most reliable airlines when flying from Washington, D.C. to Ottawa.
Can I find deals for flights from Washington, D.C. to Ottawa that include hotel bookings?
Yes. In addition to deals on Washington, D.C. to Ottawa flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Washington, D.C. to Ottawa?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to Ottawa.
Can I find deals for business class flights from Washington, D.C. to Ottawa?
Yes. Cheapflights offers flight deals from Washington, D.C. to Ottawa 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 Washington, D.C. to Ottawa?
Currently, December is the cheapest month in which you can book a flight from Washington, D.C. to Ottawa (average of £106). Flying from Washington, D.C. to Ottawa in February is currently the most expensive (average of £255). 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.

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Cheapflights makes it easy to find Washington, D.C. to Ottawa flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Washington, D.C. to Ottawa?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Ottawa from Washington, D.C..

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Cheap flights from Washington, D.C. to Ottawa from £176

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 30/7. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Washington, D.C. to Ottawa

Cheapest flights from Washington, D.C. to OttawaExplore the most affordable flight options available from Washington, D.C. to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 July 2026.

Explore the most affordable flight options available from Washington, D.C. to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 July 2026.

Best flights from Washington, D.C. to OttawaDiscover carefully curated flight deals from Washington, D.C. to Ottawa that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 2 July 2026.

Discover carefully curated flight deals from Washington, D.C. to Ottawa that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 2 July 2026.

Direct flights from Washington, D.C. to OttawaExplore direct flight options from Washington, D.C. to Ottawa based on user searches, and compare prices and availability for your desired travel dates. Data last updated 2 July 2026.

Explore direct flight options from Washington, D.C. to Ottawa based on user searches, and compare prices and availability for your desired travel dates. Data last updated 2 July 2026.

Last-minute flights from Washington, D.C. to OttawaDiscover last-minute flight deals from Washington, D.C. to Ottawa. Data last updated 2 July 2026 and is based on user searches.

Discover last-minute flight deals from Washington, D.C. to Ottawa. Data last updated 2 July 2026 and is based on user searches.

One-way flights from Washington, D.C. to OttawaSearch for one-way flight options from Washington, D.C. to Ottawa. Find affordable one-way fares based on user searches. Data last updated 2 July 2026.

Search for one-way flight options from Washington, D.C. to Ottawa. Find affordable one-way fares based on user searches. Data last updated 2 July 2026.

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Best time to book a flight from Washington, D.C. to Ottawa

Have a flexible travel schedule? Discover the best time to fly to Ottawa from Washington, D.C. with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. to Ottawa

What is the cheapest month to book a flight from Washington, D.C. to Ottawa?

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

Find hourly flight availability from Washington, D.C. to Ottawa. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 2 July 2026.

Weekly flight availability from Washington, D.C. to Ottawa

Explore weekly flight availability from Washington, D.C. to Ottawa. 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 2 July 2026.

How much does it cost for a return flight from Washington, D.C. to Ottawa?

How far ahead should I book a flight from Washington, D.C. to Ottawa?

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. to Ottawa. 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 into for flights to Ottawa from Washington, D.C.?

How long is the flight from Washington, D.C. to Ottawa?

What are the most reliable airlines from Washington, D.C. to Ottawa?

Can I find deals for flights from Washington, D.C. to Ottawa that include hotel bookings?

How can I find direct flights from Washington, D.C. to Ottawa?

Can I find deals for business class flights from Washington, D.C. to Ottawa?

What is the cheapest month to book a flight from Washington, D.C. to Ottawa?

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Washington, D.C. and Ottawa flights

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Cheapest flights from Washington, D.C. to Ottawa
Explore the most affordable flight options available from Washington, D.C. to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 July 2026.

Best flights from Washington, D.C. to Ottawa
Discover carefully curated flight deals from Washington, D.C. to Ottawa that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 2 July 2026.

Direct flights from Washington, D.C. to Ottawa
Explore direct flight options from Washington, D.C. to Ottawa based on user searches, and compare prices and availability for your desired travel dates. Data last updated 2 July 2026.

Last-minute flights from Washington, D.C. to Ottawa
Discover last-minute flight deals from Washington, D.C. to Ottawa. Data last updated 2 July 2026 and is based on user searches.

One-way flights from Washington, D.C. to Ottawa
Search for one-way flight options from Washington, D.C. to Ottawa. Find affordable one-way fares based on user searches. Data last updated 2 July 2026.