What are the cheapest airlines flying from Ottawa to Washington, D.C. round-trip?

Flying on Porter Airlines is currently your cheapest option to Washington, D.C., with prices starting at C$ 417. Additional round-trip tickets that might be worth considering are offered by Air Canada and Undisclosed Carrier, with the lowest prices starting at C$ 464 and C$ 477, respectively. These flights start at 19% lower than the current average price 3 months from now.

What are the cheapest airlines to fly from Ottawa to Washington, D.C. one-way?

C$ 214 is the cheapest one-way deal found within the past few days, from Porter Airlines. You may also be able to find cheap deals on Air Canada and Undisclosed Carrier, with prices starting from C$ 229 and C$ 270, respectively.

What are the most popular airlines that fly from Ottawa to Washington, D.C.?

The most popular airlines flying from Ottawa to Washington, D.C. are Air Canada, Porter Airlines and United Airlines. Something to consider prior to booking your flight.

What are the most popular routes from Ottawa to Washington, D.C.?

The most popular flight routes from Ottawa to Washington, D.C. are Ottawa - Washington, D.C. Reagan-National, Ottawa - Washington, D.C. Dulles Intl and Ottawa - Baltimore/Washington.

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

The cheapest flight price from Ottawa to Washington, D.C. is C$ 266. On average you can expect to pay C$ 1,139. The most popular route, (Ottawa - Washington, D.C. Reagan-National), can usually be booked for C$ 474.

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

The top 3 most reliable airlines when flying from Ottawa to Washington, D.C. are Avianca (92%), GoJet (91%) and United Airlines (91%).

Can I find flights from Ottawa to Washington, D.C. for under C$ 500 on Cheapflights?

Yes, there are multiple flights from Ottawa to Washington, D.C. for under C$ 500. The cheapest flight booked recently is on Porter Airlines for just C$ 417, but on average you can expect to pay C$ 453.

Are there direct flights from Ottawa to Washington, D.C. for under C$ 500 on Cheapflights?

Cheapflights has 20 direct flights from Ottawa to Washington, D.C. under C$ 500. A good price for a direct flight from Ottawa to Washington, D.C. is less than C$ 600.

Are there last-minute flights available from Ottawa to Washington, D.C. for under C$ 600?

There are currently 20+ open flights from Ottawa to Washington, D.C. within the next 7 days for less than C$ 600.

Which airlines flying from Ottawa to Washington, D.C. have flexible cancellations due to COVID-19?

Due to the rapidly changing circumstances due to COVID-19, airlines like Air Canada, Porter Airlines, and United Airlines flying from Ottawa to Washington, D.C. have implemented new flexible cancellation policies.

What is the cheapest day to fly round-trip from Ottawa to Washington, D.C.?

Travellers have found that booking a Sunday departure is the best way to save up to 36% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

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

To save up to 55% on this flight, we recommend booking at least 45 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Ottawa to Washington, D.C. from C$ 585 1-2 weeks out and tickets from C$ 712 for flights departing within the next 72 hours.

What is the cheapest month to fly from Ottawa to Washington, D.C.?

Flights from Ottawa to Washington, D.C. lean towards being more expensive in January. Prices are generally better when you fly from Ottawa to Washington, D.C. in May, with the cheapest ticket starting at C$ 379.

When is the cheapest time to fly from Ottawa to Washington, D.C. (YOW - WAS)?

It’s typically best to fly out from Ottawa to Washington, D.C. in the morning. Doing so could potentially save you 29% on the flight price compared to flying at noon, which is usually more expensive.

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

For a flight from Ottawa to Washington, D.C., you will be flying from Ottawa. Ottawa (YOW) is just 10.6 km from the centre of the city. Ottawa is the only Ottawa airport and it handles 7 outbound flights to Washington, D.C. per day. 3 airlines have flights to Washington, D.C. from Ottawa on a regular basis.

Cheap Flights from Ottawa to Washington, D.C. from C$ 214

How to find the cheapest flight from Ottawa (YOW) to Washington, D.C. (WAS)

Popular in	January
Cheapest in	May
Round-trip from	C$ 451
One-way from	C$ 270

High demand for flights, 21% potential price rise

Search Deals

Best time to find cheap flights, 13% potential price drop

Search Deals

From Ottawa to Washington, D.C. (WAS)

Search Deals

One-way flight from Ottawa to Washington, D.C. (WAS)

Search Deals

YOW - WAS Price	C$ 333 - C$ 484
WAS Temperature	2 - 27 °C
WAS Rainfall	66 - 102 mm

YOW - WAS

Price

C$ 333 - C$ 484

WAS

Temperature

2 - 27 °C

WAS

Rainfall

66 - 102 mm

Cheap flights from Ottawa to Washington, D.C. in May, June 2023

These are some of the best deals we've found on flights to Washington, D.C. in 2023 at this time. For more flight deals, be sure to check back very soon.

26 Jun. - 12 Jul.

YOW

Ottawa

IAD

Washington, D.C. Dulles Intl

1 stop

5h 27m

IAD

Washington, D.C. Dulles Intl

YOW

Ottawa

1 stop

5h 59m

C$ 419

Porter Airlines

Deal found 24/5

30 Jun. - 16 Jul.

YOW

Ottawa

IAD

Washington, D.C. Dulles Intl

1 stop

4h 27m

IAD

Washington, D.C. Dulles Intl

YOW

Ottawa

1 stop

3h 24m

C$ 427

Porter Airlines

Deal found 24/5

30 Jun. - 16 Jul.

YOW

Ottawa

IAD

Washington, D.C. Dulles Intl

1 stop

3h 17m

IAD

Washington, D.C. Dulles Intl

YOW

Ottawa

1 stop

4h 29m

C$ 430

Porter Airlines

Deal found 24/5

20 Jun. - 21 Jun.

YOW

Ottawa

IAD

Washington, D.C. Dulles Intl

1 stop

3h 17m

IAD

Washington, D.C. Dulles Intl

YOW

Ottawa

1 stop

5h 59m

C$ 503

Porter Airlines

Deal found 24/5

16 Jun. - 20 Jun.

YOW

Ottawa

IAD

Washington, D.C. Dulles Intl

1 stop

4h 27m

IAD

Washington, D.C. Dulles Intl

YOW

Ottawa

1 stop

5h 59m

C$ 514

Porter Airlines

Deal found 24/5

16 Jun. - 18 Jun.

YOW

Ottawa

IAD

Washington, D.C. Dulles Intl

1 stop

4h 27m

IAD

Washington, D.C. Dulles Intl

YOW

Ottawa

1 stop

6h 24m

C$ 523

Porter Airlines

Deal found 24/5

19 Jun. - 21 Jun.

YOW

Ottawa

DCA

Washington, D.C. Reagan-National

1 stop

4h 08m

DCA

Washington, D.C. Reagan-National

YOW

Ottawa

1 stop

3h 38m

C$ 526

Undisclosed Carrier

Deal found 24/5

20 Jun. - 22 Jun.

YOW

Ottawa

IAD

Washington, D.C. Dulles Intl

1 stop

5h 27m

IAD

Washington, D.C. Dulles Intl

YOW

Ottawa

1 stop

4h 19m

C$ 529

Porter Airlines

Deal found 24/5

16 Jun. - 20 Jun.

YOW

Ottawa

IAD

Washington, D.C. Dulles Intl

Nonstop

1h 34m

IAD

Washington, D.C. Dulles Intl

YOW

Ottawa

1 stop

4h 34m

C$ 533

United Airlines

Deal found 24/5

Ottawa to Washington, D.C. 2023 flight deals

These are some of the best deals we've found on flights to Washington, D.C. in 2023 at this time. For more flight deals, be sure to check back very soon.

1 Aug. - 2 Aug.

YOW

Ottawa

IAD

Washington, D.C. Dulles Intl

1 stop

5h 27m

IAD

Washington, D.C. Dulles Intl

YOW

Ottawa

1 stop

3h 24m

C$ 417

Porter Airlines

Deal found 24/5

26 Jun. - 12 Jul.

YOW

Ottawa

IAD

Washington, D.C. Dulles Intl

1 stop

5h 27m

IAD

Washington, D.C. Dulles Intl

YOW

Ottawa

1 stop

5h 59m

C$ 419

Porter Airlines

Deal found 24/5

23 Dec. - 27 Dec.

YOW

Ottawa

IAD

Washington, D.C. Dulles Intl

1 stop

3h 12m

IAD

Washington, D.C. Dulles Intl

YOW

Ottawa

1 stop

3h 24m

C$ 424

Porter Airlines

Deal found 24/5

2 Aug. - 6 Aug.

YOW

Ottawa

IAD

Washington, D.C. Dulles Intl

1 stop

3h 17m

IAD

Washington, D.C. Dulles Intl

YOW

Ottawa

1 stop

4h 29m

C$ 426

Porter Airlines

Deal found 24/5

2 Aug. - 3 Aug.

YOW

Ottawa

IAD

Washington, D.C. Dulles Intl

1 stop

4h 27m

IAD

Washington, D.C. Dulles Intl

YOW

Ottawa

1 stop

3h 24m

C$ 427

Porter Airlines

Deal found 24/5

20 Dec. - 28 Dec.

YOW

Ottawa

DCA

Washington, D.C. Reagan-National

Nonstop

1h 44m

DCA

Washington, D.C. Reagan-National

YOW

Ottawa

Nonstop

1h 32m

C$ 427

Air Canada

Deal found 24/5

20 Dec. - 28 Dec.

YOW

Ottawa

IAD

Washington, D.C. Dulles Intl

1 stop

5h 27m

IAD

Washington, D.C. Dulles Intl

YOW

Ottawa

1 stop

4h 19m

C$ 428

Porter Airlines

Deal found 24/5

30 Jun. - 16 Jul.

YOW

Ottawa

IAD

Washington, D.C. Dulles Intl

1 stop

3h 17m

IAD

Washington, D.C. Dulles Intl

YOW

Ottawa

1 stop

4h 29m

C$ 430

Porter Airlines

Deal found 24/5

20 Dec. - 28 Dec.

YOW

Ottawa

IAD

Washington, D.C. Dulles Intl

Nonstop

1h 35m

IAD

Washington, D.C. Dulles Intl

YOW

Ottawa

Nonstop

1h 38m

C$ 431

Air Canada

Deal found 24/5

Cheap Porter Airlines flights from Ottawa to Washington, D.C.

Check out some of the cheapest Porter Airlines flights we've come across from Ottawa to Washington, D.C.. Come back soon if you're not finding the exact deal you're looking for.

1 Aug. - 2 Aug.

YOW

Ottawa

IAD

Washington, D.C. Dulles Intl

1 stop

5h 27m

IAD

Washington, D.C. Dulles Intl

YOW

Ottawa

1 stop

3h 24m

C$ 417

Porter Airlines

Deal found 24/5

26 Jun. - 12 Jul.

YOW

Ottawa

IAD

Washington, D.C. Dulles Intl

1 stop

5h 27m

IAD

Washington, D.C. Dulles Intl

YOW

Ottawa

1 stop

5h 59m

C$ 419

Porter Airlines

Deal found 24/5

2 Aug. - 6 Aug.

YOW

Ottawa

IAD

Washington, D.C. Dulles Intl

1 stop

3h 17m

IAD

Washington, D.C. Dulles Intl

YOW

Ottawa

1 stop

4h 29m

C$ 426

Porter Airlines

Deal found 24/5

2 Aug. - 3 Aug.

YOW

Ottawa

IAD

Washington, D.C. Dulles Intl

1 stop

4h 27m

IAD

Washington, D.C. Dulles Intl

YOW

Ottawa

1 stop

3h 24m

C$ 427

Porter Airlines

Deal found 24/5

30 Jun. - 16 Jul.

YOW

Ottawa

IAD

Washington, D.C. Dulles Intl

1 stop

3h 17m

IAD

Washington, D.C. Dulles Intl

YOW

Ottawa

1 stop

4h 29m

C$ 430

Porter Airlines

Deal found 24/5

17 Jul. - 17 Jul.

YOW

Ottawa

IAD

Washington, D.C. Dulles Intl

1 stop

4h 27m

IAD

Washington, D.C. Dulles Intl

YOW

Ottawa

1 stop

3h 24m

C$ 431

Porter Airlines

Deal found 25/5

14 Jul. - 16 Jul.

YOW

Ottawa

IAD

Washington, D.C. Dulles Intl

1 stop

3h 17m

IAD

Washington, D.C. Dulles Intl

YOW

Ottawa

1 stop

5h 24m

C$ 432

Porter Airlines

Deal found 24/5

22 Sep. - 25 Sep.

YOW

Ottawa

IAD

Washington, D.C. Dulles Intl

1 stop

3h 17m

IAD

Washington, D.C. Dulles Intl

YOW

Ottawa

1 stop

5h 59m

C$ 434

Porter Airlines

Deal found 24/5

29 Jul. - 5 Aug.

YOW

Ottawa

IAD

Washington, D.C. Dulles Intl

1 stop

3h 12m

IAD

Washington, D.C. Dulles Intl

YOW

Ottawa

1 stop

4h 29m

C$ 438

Porter Airlines

Deal found 24/5

Cheap United Airlines flights from Ottawa to Washington, D.C.

Take a gander at the lowest prices we've found on United Airlines flights from Ottawa to Washington, D.C.. Check back soon if you're not seeing flights that suit your needs.

1 Sep. - 5 Sep.

YOW

Ottawa

IAD

Washington, D.C. Dulles Intl

Nonstop

1h 40m

IAD

Washington, D.C. Dulles Intl

YOW

Ottawa

1 stop

12h 06m

C$ 482

United Airlines

Deal found 25/5

22 Sep. - 25 Sep.

YOW

Ottawa

IAD

Washington, D.C. Dulles Intl

Nonstop

1h 44m

IAD

Washington, D.C. Dulles Intl

YOW

Ottawa

Nonstop

1h 43m

C$ 487

United Airlines

Deal found 24/5

16 Jun. - 20 Jun.

YOW

Ottawa

IAD

Washington, D.C. Dulles Intl

Nonstop

1h 34m

IAD

Washington, D.C. Dulles Intl

YOW

Ottawa

1 stop

4h 34m

C$ 533

United Airlines

Deal found 24/5

13 Sep. - 16 Sep.

YOW

Ottawa

IAD

Washington, D.C. Dulles Intl

Nonstop

1h 44m

IAD

Washington, D.C. Dulles Intl

YOW

Ottawa

1 stop

4h 46m

C$ 538

United Airlines

Deal found 24/5

2 Aug. - 6 Aug.

YOW

Ottawa

IAD

Washington, D.C. Dulles Intl

Nonstop

1h 40m

IAD

Washington, D.C. Dulles Intl

YOW

Ottawa

Nonstop

1h 47m

C$ 548

United Airlines

Deal found 24/5

20 Jun. - 21 Jun.

YOW

Ottawa

IAD

Washington, D.C. Dulles Intl

Nonstop

1h 34m

IAD

Washington, D.C. Dulles Intl

YOW

Ottawa

1 stop

12h 04m

C$ 565

United Airlines

Deal found 24/5

16 Jun. - 18 Jun.

YOW

Ottawa

IAD

Washington, D.C. Dulles Intl

Nonstop

1h 34m

IAD

Washington, D.C. Dulles Intl

YOW

Ottawa

1 stop

4h 34m

C$ 577

United Airlines

Deal found 24/5

17 Jul. - 21 Jul.

YOW

Ottawa

IAD

Washington, D.C. Dulles Intl

Nonstop

1h 40m

IAD

Washington, D.C. Dulles Intl

YOW

Ottawa

1 stop

4h 37m

C$ 584

United Airlines

Deal found 24/5

20 Jun. - 22 Jun.

YOW

Ottawa

DCA

Washington, D.C. Reagan-National

1 stop

3h 31m

DCA

Washington, D.C. Reagan-National

YOW

Ottawa

1 stop

14h 11m

C$ 585

United Airlines

Deal found 24/5

Direct flights to Washington, D.C. from Ottawa

If you're seeking options on non-stop flights from Ottawa to Washington, D.C., check out these fares. Users can also choose from other Ottawa to Washington, D.C. flights by using the search form above.

15 Aug. - 22 Aug.

YOW

Ottawa

IAD

Washington, D.C. Dulles Intl

Nonstop

1h 40m

IAD

Washington, D.C. Dulles Intl

YOW

Ottawa

Nonstop

1h 47m

C$ 464

Air Canada

Deal found 24/5

22 Sep. - 25 Sep.

YOW

Ottawa

IAD

Washington, D.C. Dulles Intl

Nonstop

1h 44m

IAD

Washington, D.C. Dulles Intl

YOW

Ottawa

Nonstop

1h 43m

C$ 487

United Airlines

Deal found 24/5

15 Aug. - 22 Aug.

YOW

Ottawa

DCA

Washington, D.C. Reagan-National

Nonstop

1h 52m

DCA

Washington, D.C. Reagan-National

YOW

Ottawa

Nonstop

1h 31m

C$ 495

Air Canada

Deal found 24/5

13 Sep. - 16 Sep.

YOW

Ottawa

DCA

Washington, D.C. Reagan-National

Nonstop

1h 36m

DCA

Washington, D.C. Reagan-National

YOW

Ottawa

Nonstop

1h 32m

C$ 504

Air Canada

Deal found 24/5

13 Sep. - 16 Sep.

YOW

Ottawa

DCA

Washington, D.C. Reagan-National

Nonstop

1h 36m

DCA

Washington, D.C. Reagan-National

YOW

Ottawa

Nonstop

1h 32m

C$ 515

Multiple Airlines

Deal found 24/5

13 Sep. - 16 Sep.

YOW

Ottawa

IAD

Washington, D.C. Dulles Intl

Nonstop

1h 44m

IAD

Washington, D.C. Dulles Intl

YOW

Ottawa

Nonstop

1h 43m

C$ 537

Air Canada

Deal found 24/5

13 Sep. - 16 Sep.

YOW

Ottawa

IAD

Washington, D.C. Dulles Intl

Nonstop

1h 44m

IAD

Washington, D.C. Dulles Intl

YOW

Ottawa

Nonstop

1h 43m

C$ 538

United Airlines

Deal found 24/5

2 Aug. - 2 Aug.

YOW

Ottawa

IAD

Washington, D.C. Dulles Intl

Nonstop

1h 40m

IAD

Washington, D.C. Dulles Intl

YOW

Ottawa

Nonstop

1h 47m

C$ 548

United Airlines

Deal found 24/5

1 Sep. - 5 Sep.

YOW

Ottawa

DCA

Washington, D.C. Reagan-National

Nonstop

1h 52m

DCA

Washington, D.C. Reagan-National

YOW

Ottawa

Nonstop

1h 32m

C$ 548

United Airlines

Deal found 24/5

Last minute flights from Ottawa to Washington, D.C.

Have a look at some of the flights available from Ottawa to Washington, D.C. departing last-minute. Users should double check the flight they book to ensure it matches the day, time, and destination they're looking for.

4 Jun. - 8 Jun.

YOW

Ottawa

IAD

Washington, D.C. Dulles Intl

1 stop

4h 47m

IAD

Washington, D.C. Dulles Intl

YOW

Ottawa

1 stop

3h 24m

C$ 585

Porter Airlines

Deal found 24/5

3 Jun. - 4 Jun.

YOW

Ottawa

IAD

Washington, D.C. Dulles Intl

1 stop

3h 12m

IAD

Washington, D.C. Dulles Intl

YOW

Ottawa

1 stop

3h 24m

C$ 596

Porter Airlines

Deal found 24/5

31 May - 3 Jun.

YOW

Ottawa

IAD

Washington, D.C. Dulles Intl

1 stop

4h 27m

IAD

Washington, D.C. Dulles Intl

YOW

Ottawa

1 stop

4h 24m

C$ 619

Porter Airlines

Deal found 24/5

2 Jun. - 10 Jun.

YOW

Ottawa

IAD

Washington, D.C. Dulles Intl

1 stop

3h 17m

IAD

Washington, D.C. Dulles Intl

YOW

Ottawa

1 stop

4h 29m

C$ 634

Porter Airlines

Deal found 24/5

3 Jun. - 10 Jun.

YOW

Ottawa

IAD

Washington, D.C. Dulles Intl

1 stop

3h 12m

IAD

Washington, D.C. Dulles Intl

YOW

Ottawa

1 stop

4h 29m

C$ 642

Porter Airlines

Deal found 24/5

31 May - 5 Jun.

YOW

Ottawa

IAD

Washington, D.C. Dulles Intl

1 stop

3h 17m

IAD

Washington, D.C. Dulles Intl

YOW

Ottawa

1 stop

3h 24m

C$ 646

Porter Airlines

Deal found 24/5

3 Jun. - 4 Jun.

YOW

Ottawa

DCA

Washington, D.C. Reagan-National

1 stop

4h 08m

DCA

Washington, D.C. Reagan-National

YOW

Ottawa

1 stop

5h 13m

C$ 651

Air Canada

Deal found 24/5

31 May - 1 Jun.

YOW

Ottawa

IAD

Washington, D.C. Dulles Intl

1 stop

5h 27m

IAD

Washington, D.C. Dulles Intl

YOW

Ottawa

1 stop

4h 19m

C$ 655

Porter Airlines

Deal found 24/5

4 Jun. - 8 Jun.

YOW

Ottawa

DCA

Washington, D.C. Reagan-National

1 stop

4h 26m

DCA

Washington, D.C. Reagan-National

YOW

Ottawa

1 stop

4h 14m

C$ 659

Air Canada

Deal found 24/5

One-way flights to Washington, D.C. from Ottawa

Users travelling one-way from Ottawa to Washington, D.C. can select one of these great deals. For those needing a return trip from Ottawa, there is a search form available above.

15 Jun.

YOW

Ottawa

IAD

Washington, D.C. Dulles Intl

1 stop

4h 27m

C$ 214

Porter Airlines

Deal found 24/5

14 Jun.

YOW

Ottawa

IAD

Washington, D.C. Dulles Intl

Nonstop

1h 34m

C$ 229

Air Canada

Deal found 24/5

14 Jun.

YOW

Ottawa

DCA

Washington, D.C. Reagan-National

1 stop

4h 03m

C$ 230

Air Canada

Deal found 24/5

14 Jun.

YOW

Ottawa

IAD

Washington, D.C. Dulles Intl

1 stop

6h 58m

C$ 234

Air Canada

Deal found 24/5

15 Jun.

YOW

Ottawa

IAD

Washington, D.C. Dulles Intl

1 stop

3h 17m

C$ 236

Porter Airlines

Deal found 24/5

23 Jun.

YOW

Ottawa

IAD

Washington, D.C. Dulles Intl

1 stop

4h 27m

C$ 240

Porter Airlines

Deal found 24/5

20 Sep.

YOW

Ottawa

IAD

Washington, D.C. Dulles Intl

1 stop

4h 57m

C$ 241

Air Canada

Deal found 25/5

2 Jul.

YOW

Ottawa

IAD

Washington, D.C. Dulles Intl

1 stop

4h 47m

C$ 244

Porter Airlines

Deal found 23/5

20 Sep.

YOW

Ottawa

DCA

Washington, D.C. Reagan-National

1 stop

4h 21m

C$ 245

Air Canada

Deal found 25/5

Find flights from Ottawa to Washington, D.C. within your budget

Fly from

Fly to

Budget

C$ 417 - C$ 492

Route

Depart

Return

Price

OttawaWashington, D.C. Dulles Intl

YOW - IAD

YOWIAD

Ottawa

Tue 1/8

1 stop5h 27m

Washington, D.C. Dulles Intl

Wed 2/8

1 stop3h 24m

C$ 417

Pick Dates

OttawaWashington, D.C. Dulles Intl

YOW - IAD

YOWIAD

Ottawa

Mon 26/6

1 stop5h 27m

Washington, D.C. Dulles Intl

Wed 12/7

1 stop5h 59m

C$ 419

Pick Dates

OttawaWashington, D.C. Dulles Intl

YOW - IAD

YOWIAD

Ottawa

Wed 2/8

1 stop3h 17m

Washington, D.C. Dulles Intl

Sun 6/8

1 stop4h 29m

C$ 426

Pick Dates

OttawaWashington, D.C. Reagan-National

YOW - DCA

YOWDCA

Ottawa

Tue 15/8

Nonstop1h 52m

Washington, D.C. Reagan-National

Tue 22/8

1 stop3h 43m

C$ 464

Pick Dates

OttawaWashington, D.C. Dulles Intl

YOW - IAD

YOWIAD

Ottawa

Tue 15/8

1 stop4h 31m

Washington, D.C. Dulles Intl

Tue 22/8

Nonstop1h 47m

C$ 472

Pick Dates

OttawaWashington, D.C. Dulles Intl

YOW - IAD

YOWIAD

Ottawa

Thu 20/7

1 stop11h 02m

Washington, D.C. Dulles Intl

Mon 24/7

1 stop20h 24m

C$ 477

Pick Dates

OttawaWashington, D.C. Reagan-National

YOW - DCA

YOWDCA

Ottawa

Fri 21/7

1 stop4h 01m

Washington, D.C. Reagan-National

Mon 24/7

1 stop5h 13m

C$ 477

Pick Dates

OttawaWashington, D.C. Dulles Intl

YOW - IAD

YOWIAD

Ottawa

Fri 1/9

Nonstop1h 40m

Washington, D.C. Dulles Intl

Tue 5/9

1 stop12h 06m

C$ 482

Pick Dates

OttawaWashington, D.C. Reagan-National

YOW - DCA

YOWDCA

Ottawa

Wed 13/9

1 stop13h 01m

Washington, D.C. Reagan-National

Sat 16/9

1 stop3h 44m

C$ 492

Pick Dates

Flights are sorted by cheapest first

Deals found on 24/5

Related info for your journey

YOW and IAD are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. YOW to IAD refers to a flight route from Ottawa Airport to Washington, D.C. Dulles Intl Airport. This flight route has multiple associated airports, so we think it might be helpful to learn the name and codes of them as well. They are Washington, D.C. Reagan-National Airport (DCA).

Top 3 airlines flying from Ottawa to Washington, D.C.

Airline	Cheapest	Average	Flexibility	On-time	COVID-19 safety
Porter Airlines	CheapestC$ 291	AverageC$ 426	FlexibilityNo cancel fee	On-time52%	COVID-19 safety	Search Porter Airlines flights
Air Canada	CheapestC$ 332	AverageC$ 680	FlexibilityNo cancel fee	On-time67%	COVID-19 safety	Search Air Canada flights
United Airlines	CheapestC$ 380	AverageC$ 626	FlexibilityNo cancel fee	On-time69%	COVID-19 safety	Search United Airlines flights

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

1%of flight departures	Early morningMidnight to 6 am
71%of flight departures	Morning6 am to noon
28%of flight departures	AfternoonNoon to 6 pm
0%of flight departures	Evening6 pm to midnight

Midnight

6 AM

Noon

6 PM

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

Sunday	7daily flights
Monday	7daily flights
Tuesday	7daily flights
Wednesday	7daily flights
Thursday	7daily flights
Friday	7daily flights
Saturday	7daily flights

Cheap flights from Ottawa to Washington, D.C. from C$ 214

This is the cheapest one-way flight price, found on 24/5. Prices may vary by date and flight preferences.

The best prices from Ottawa to Washington, D.C. are usually found in May or November, booked 46 days in advance, depart on a Monday or Friday and return on a Monday

How to find the cheapest flight from Ottawa (YOW) to Washington, D.C. (WAS)

All the information you need to plan the best YOW to WAS flight in 2023: compare Ottawa to Washington, D.C. flight prices with the expected peak season, weather and rainfall in Washington, D.C..

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Cheap flights from Ottawa to Washington, D.C. in May, June 2023

The best prices found for YOW to WAS flights for May, June

These are some of the best deals we've found on flights to Washington, D.C. in 2023 at this time. For more flight deals, be sure to check back very soon.

Ottawa to Washington, D.C. 2023 flight deals

Cheap flights to Washington, D.C. from Ottawa found for this year

These are some of the best deals we've found on flights to Washington, D.C. in 2023 at this time. For more flight deals, be sure to check back very soon.

Cheap Porter Airlines flights from Ottawa to Washington, D.C.

Check out some of the cheapest Porter Airlines flights we've come across from Ottawa to Washington, D.C.. Come back soon if you're not finding the exact deal you're looking for.

Cheap United Airlines flights from Ottawa to Washington, D.C.

Take a gander at the lowest prices we've found on United Airlines flights from Ottawa to Washington, D.C.. Check back soon if you're not seeing flights that suit your needs.

Direct flights to Washington, D.C. from Ottawa

Save time with Ottawa to Washington, D.C. direct flight deals

If you're seeking options on non-stop flights from Ottawa to Washington, D.C., check out these fares. Users can also choose from other Ottawa to Washington, D.C. flights by using the search form above.

Last minute flights from Ottawa to Washington, D.C.

Late deals on round-trip flights to Washington, D.C. from Ottawa, departing today and this week

Have a look at some of the flights available from Ottawa to Washington, D.C. departing last-minute. Users should double check the flight they book to ensure it matches the day, time, and destination they're looking for.

One-way flights to Washington, D.C. from Ottawa

The cheapest one-way flights from Ottawa to Washington, D.C.

Users travelling one-way from Ottawa to Washington, D.C. can select one of these great deals. For those needing a return trip from Ottawa, there is a search form available above.

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Related info for your journey

Useful info, stats and facts about Ottawa to Washington, D.C. flights.

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

Which airlines flying from Ottawa to Washington, D.C. have flexible cancellations due to COVID-19?

Can I find flights from Ottawa to Washington, D.C. for under C$ 500 on Cheapflights?

Are there direct flights from Ottawa to Washington, D.C. for under C$ 500 on Cheapflights?

Are there last-minute flights available from Ottawa to Washington, D.C. for under C$ 600?

What are the cheapest airlines flying from Ottawa to Washington, D.C. round-trip?

What are the cheapest airlines to fly from Ottawa to Washington, D.C. one-way?

What are the most popular routes from Ottawa to Washington, D.C.?

What are the most popular airlines that fly from Ottawa to Washington, D.C.?

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

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

What does YOW to IAD mean?

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Top 3 airlines flying from Ottawa to Washington, D.C.

The chart below displays the airlines Cheapflights users travelling from Ottawa to Washington, D.C. choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.

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

See what time of day planes typically take off from Ottawa to Washington, D.C.

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

See how many times per day planes take to the skies headed from Ottawa to Washington, D.C.

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