Find flights
Deals
When to book
FAQs

Cheap flights from Washington, D.C. to Ottawa from £114

WAS — YOW
9 Oct — 16 Oct1
1 adult
1 adult, Economy, 0 bags

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

Enter your travel dates to find the best prices.

Cheapest flights from Washington, D.C. to Ottawa

Fri 23/1012:50 -
Nonstop1h 32m
Fri 30/1010:30 -
Nonstop1h 49m
Deal found 8/9£254
Tue 13/1006:00 -
1 stop4h 18m
Wed 14/1010:35 -
Nonstop1h 34m
Deal found 9/9£261
Fri 23/1006:00 -
2 stops18h 20m
Fri 30/1005:35 -
2 stops16h 24m
Deal found 8/9£278
Thu 15/1012:50 -
Nonstop1h 32m
Sat 17/1017:55 -
1 stop3h 55m
Deal found 7/9£283
Thu 15/1006:00 -
2 stops11h 35m
Sat 17/1006:55 -
2 stops14h 55m
Deal found 7/9£286
Fri 25/912:55 -
Nonstop1h 32m
Sun 27/910:40 -
Nonstop1h 34m
Deal found 7/9£382

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

Round-trip from

£254

One-way from

£114

Popular in

December

Cheapest in

September

Average price

£293

Good one-way deal

£474 or less
Air Canada
  • Air Canada
  • 23/10-30/10
  • Nonstop
  • 3h 21m total
  • Washington, D.C. to Ottawa
Search Deals
Air Canada
  • Air Canada
  • 13/10-31/12
  • Nonstop
  • 1h 32m total
  • Washington, D.C. to Ottawa
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£24 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£7 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2026
Search Deals
Price to beat on a one-way flight from Washington, D.C. (WAS) to Ottawa.
Search Deals

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

Washington, D.C.Ottawa

DCA Washington, D.C. Reagan-National - YOW Ottawa

DCAYOW

Washington, D.C. Reagan-National

Tue 13/10

16:20-22:10

1 stop5h 50m

Ottawa

Wed 31/12

00:00-00:00

Nonstop0h 00m

£116

Washington, D.C.Ottawa

DCA Washington, D.C. Reagan-National - YOW Ottawa

DCAYOW

Washington, D.C. Reagan-National

Mon 12/10

06:00-10:18

1 stop4h 18m

Ottawa

Wed 31/12

00:00-00:00

Nonstop0h 00m

£136

Washington, D.C.Ottawa

DCA Washington, D.C. Reagan-National - YOW Ottawa

DCAYOW

Washington, D.C. Reagan-National

Sat 10/10

09:30-17:16

1 stop7h 46m

Ottawa

Wed 31/12

00:00-00:00

Nonstop0h 00m

£178
Fastest return journey

Washington, D.C.Ottawa

DCA Washington, D.C. Reagan-National - YOW Ottawa

DCAYOW

Washington, D.C. Reagan-National

Thu 22/10

12:50-14:22

Nonstop1h 32m

Ottawa

Wed 31/12

00:00-00:00

Nonstop0h 00m

£238

Washington, D.C.Ottawa

DCA Washington, D.C. Reagan-National - YOW Ottawa

DCAYOW

Washington, D.C. Reagan-National

Fri 23/10

12:50-14:22

Nonstop1h 32m

Ottawa

Fri 30/10

17:40-21:59

1 stop4h 19m

£257

Washington, D.C.Ottawa

DCA Washington, D.C. Reagan-National - YOW Ottawa

DCAYOW

Washington, D.C. Reagan-National

Tue 13/10

12:50-14:22

Nonstop1h 32m

Ottawa

Wed 14/10

10:35-12:09

Nonstop1h 34m

£264

Washington, D.C.Ottawa

DCA Washington, D.C. Reagan-National - YOW Ottawa

DCAYOW

Washington, D.C. Reagan-National

Wed 14/10

07:46-21:35

1 stop13h 49m

Ottawa

Wed 31/12

00:00-00:00

Nonstop0h 00m

£269

Washington, D.C.Ottawa

DCA Washington, D.C. Reagan-National - YOW Ottawa

DCAYOW

Washington, D.C. Reagan-National

Fri 23/10

06:00-00:20

2 stops18h 20m

Ottawa

Fri 30/10

05:35-21:59

2 stops16h 24m

£278

Washington, D.C.Ottawa

DCA Washington, D.C. Reagan-National - YOW Ottawa

DCAYOW

Washington, D.C. Reagan-National

Thu 15/10

12:50-14:22

Nonstop1h 32m

Ottawa

Sat 17/10

17:55-21:50

1 stop3h 55m

£283

Washington, D.C.Ottawa

DCA Washington, D.C. Reagan-National - YOW Ottawa

DCAYOW

Washington, D.C. Reagan-National

Fri 9/10

20:20-13:10

2 stops16h 50m

Ottawa

Wed 31/12

00:00-00:00

Nonstop0h 00m

£311

Flights are sorted by cheapest return flights first.

Deals found on 6/9

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

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.
Estimated return price

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?

Currently, March is the cheapest month in which you can book a flight from Washington, D.C. to Ottawa (average of £323). Flying from Washington, D.C. to Ottawa in February is currently the most expensive (average of £477). 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 Wednesday, which is when the least amount of flights are scheduled (9 on average).

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

Airfare is below average for this route at the moment.
Washington, D.C. to Ottawa flights typically cost between £271 and £379 in October.
The cheapest return price found within the last 5 days was £254 on Air Canada (23 Oct–30 Oct).

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 76 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 1h 32m. The time it takes to get you to your destination can typically vary by up to 10h 23m. 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 GoJet (78%), United Airlines (77%) or Republic Airways (77%) when booking your flight. These represent the most reliable airlines when flying from Washington, D.C. to Ottawa.

  • What are the cheapest flights from Washington, D.C. to Ottawa?

    The cheapest flight price from Washington, D.C. to Ottawa is £474. On average you can expect to pay £474. The most popular route, (Washington, D.C. Reagan-National - Ottawa), can usually be booked for £278.

  • 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, March is the cheapest month in which you can book a flight from Washington, D.C. to Ottawa (average of £323). Flying from Washington, D.C. to Ottawa in February is currently the most expensive (average of £477). 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

Travelling to a place near Ottawa?

Book flights to Ottawa if you plan to visit one of these locations
Gatineau
Brockville
Smiths Falls

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Washington, D.C. to Ottawa

Dulles Intl to Pearson Intl flights

Fly with Cheapflights

How does Cheapflights help users find flights from Washington, D.C. to Ottawa?

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..

Can Cheapflights find flights from Washington, D.C. to Ottawa with no change fees?

Yes, we can. To see specific flights from Washington, D.C. to Ottawa with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Washington, D.C. to Ottawa become cheaper?

Yes! Start tracking prices for Washington, D.C. to Ottawa flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.