Cheap flights from Ottawa to Washington

Round-trip
Economy
Ottawa (YOW)
Washington (WAS)
Depart
Return
Any month
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The best prices from Ottawa to Washington are usually found in April or June, booked 60 days in advance, depart on a Thursday or Tuesday and return on a Saturday

How to find the cheapest flight from
Ottawa (YOW) to Washington (WAS)

All the information you need to plan the best YOW to WAS flight in 2021: compare Ottawa to Washington flight prices with the expected peak season, weather and rainfall in Washington.
YOW - WAS
Price
C$ 379 - C$ 659
WAS
Temperature
2 - 27 °C
WAS
Precipitation
66 - 102 mm

Popular in

August

High demand for flights, 29% potential price rise

Cheapest in

April

Best time to find cheap flights, 20% potential price drop

Round-trip from

$379

From Ottawa to Washington All airports (WAS)

One-way from

C$ 233

One-way flight from Ottawa to Washington All airports (WAS)

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from Ottawa to Washington?

Travellers have found that booking a Wednesday departure is the best way to save up to 23% 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?

To save up to 38% on this flight, we recommend booking at least 61 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 from C$ 504 1-2 weeks out and tickets from C$ 602 for flights departing within the next 72 hours.

What is the cheapest month to fly from Ottawa to Washington?

Flights from Ottawa to Washington lean towards being more expensive in August. Prices are generally better when you fly from Ottawa to Washington in April, with the cheapest ticket starting at C$ 293.

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

It’s typically best to fly out from Ottawa to Washington at noon. Doing so could potentially save you 43% on the flight price compared to flying in the evening, which is usually more expensive.

Cheap flights from Ottawa to Washington in September, October 2021

The best prices found for YOW to WAS flights for September, October
21 Oct - 28 Oct
C$ 311pp
YOW
Ottawa
Porter Airlines
 
1 STOP
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
Porter Airlines
 
1 STOP
YOW
Ottawa
25 Oct - 26 Oct
C$ 312pp
YOW
Ottawa
Porter Airlines
 
1 STOP
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
Porter Airlines
 
1 STOP
YOW
Ottawa
20 Oct - 23 Oct
C$ 327pp
YOW
Ottawa
Porter Airlines
 
1 STOP
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
Porter Airlines
 
1 STOP
YOW
Ottawa

Ottawa to Washington 2021 flight deals

Cheap flights to Washington from Ottawa found for this year
21 Oct - 28 Oct
C$ 311pp
YOW
Ottawa
Porter Airlines
 
1 STOP
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
Porter Airlines
 
1 STOP
YOW
Ottawa
25 Oct - 26 Oct
C$ 312pp
YOW
Ottawa
Porter Airlines
 
1 STOP
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
Porter Airlines
 
1 STOP
YOW
Ottawa
20 Oct - 23 Oct
C$ 327pp
YOW
Ottawa
Porter Airlines
 
1 STOP
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
Porter Airlines
 
1 STOP
YOW
Ottawa

Direct flights to Washington from Ottawa

Save time with Ottawa to Washington direct flight deals
10 Jan - 25 Jan
C$ 444pp
YOW
Ottawa
Air Canada
Direct
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
Air Canada
Direct
YOW
Ottawa
15 Feb - 1 Mar
C$ 446pp
YOW
Ottawa
United Airlines
Direct
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
United Airlines
Direct
YOW
Ottawa
15 Feb - 1 Mar
C$ 448pp
YOW
Ottawa
Air Canada
Direct
DCA
Washington Reagan-National
DCA
Washington Reagan-National
Air Canada
Direct
YOW
Ottawa

Last minute flights from Ottawa to Washington

Late deals on round-trip flights to Washington from Ottawa, departing today and this week
2 Oct - 9 Oct
C$ 598pp
YOW
Ottawa
Porter Airlines
 
1 STOP
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
Porter Airlines
 
1 STOP
YOW
Ottawa
2 Oct - 9 Oct
C$ 636pp
YOW
Ottawa
Multiple Airlines
     
3 STOPS
BWI
Baltimore/Washington
BWI
Baltimore/Washington
Multiple Airlines
     
3 STOPS
YOW
Ottawa
2 Oct - 9 Oct
C$ 676pp
YOW
Ottawa
United Airlines
 
1 STOP
DCA
Washington Reagan-National
DCA
Washington Reagan-National
United Airlines
 
1 STOP
YOW
Ottawa

One-way flights to Washington from Ottawa

The cheapest one-way flights from Ottawa to Washington
3:05 a.m. - 6:57 a.m.
Porter Airlines
1 stop
3h 52m
YOW - IAD
Porter Airlines
C$ 233
1:30 a.m. - 9:55 a.m.
Multiple Airlines
3 stops
33h 25m
YOW - IAD
Multiple Airlines
C$ 269
Gotogate
11:40 a.m. - 8:26 p.m.
Air Canada
2 stops
8h 46m
YOW - IAD
Air Canada
C$ 275

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Ottawa</span> to <span class="emphasized">Washington</span> flights.

Flight FAQs

From Ottawa to Washington

What airport do you fly from for flights from Ottawa to Washington?

For a flight from Ottawa to Washington, 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 0 outbound flights to Washington per day. 5 airlines have flights to Washington from Ottawa on a regular basis.

Which airlines flying from Ottawa to Washington have flexible cancellations due to COVID-19?

Porter Airlines, Air Canada, and American Airlines are some of the carriers that may have flexible cancellation policies. You can use our site to filter for other airlines that may also have this kind of flexibility.

Can I find flights from Ottawa to Washington for under C$ 400 on Cheapflights?

Yes, there are multiple flights from Ottawa to Washington for under C$ 400. The cheapest flight booked recently is on Porter Airlines for just C$ 311, but on average you can expect to pay C$ 350.

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

Cheapflights has 19 direct flights from Ottawa to Washington under C$ 500. A good price for a direct flight from Ottawa to Washington is less than C$ 923.

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

There are currently 12+ open flights from Ottawa to Washington within the next 7 days for less than C$ 600.

What are the cheapest airlines flying from Ottawa to Washington round-trip?

Porter Airlines, at C$ 311, was found to be the cheapest airline from Ottawa to Washington. An alternate airline flying to your destination would be Air Canada. You may be able to fly from Ottawa to Washington for 33% less than the average price by searching for these airlines.

What are the cheapest airlines to fly from Ottawa to Washington one-way?

C$ 184 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 United Airlines, with prices starting from C$ 251 and C$ 256, respectively.

What are the most popular airlines that fly from Ottawa to Washington?

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

What are the cheapest flights from Ottawa to Washington?

The cheapest flight price from Ottawa to Washington is C$ 173. On average you can expect to pay C$ 344. The most popular route, (Ottawa - Washington Dulles Intl), can usually be booked for C$ 353.

What are the most popular routes from Ottawa to Washington?

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

COVID Restrictions

View COVID Travel Restrictions for Washington, DC

Do I need a COVID test to fly to Washington from Ottawa?

Information is based on travel restrictions from Ottawa to Washington

Most visitors from Ottawa need to provide a negative COVID-19 test result and/or quarantine to enter Washington.

COVID-19 testing requirements
Visitors from Ottawa must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Washington.

Quarantine requirements
Visitors from Ottawa are not required to quarantine after entering Washington.

Do I need a test to fly back to Ottawa from Washington?

Returning to Ottawa from Washington

COVID-19 testing requirements
Visitors from Washington must present a negative RT-PCR (NAAT) test taken 72 hours before departing to Ottawa.

Quarantine requirements
Visitors from Washington are not required to quarantine after entering Ottawa.

Hide COVID Travel Restrictions for Washington, DC

Destination information for Washington

Things to know before you go - useful duration and weather info for your trip from Ottawa to Washington.
Today's exchange rate
C$ 1 = $0.79
Flight duration from YOW to Washington
1h 35m
Average temperature for September in Washington
28.0 °C
Avg rainfall for September in Washington
107.0 mm

Airports servicing Ottawa

Airports servicing Washington

Reagan-National (DCA)

Top 5 airlines flying from Ottawa to Washington

The chart below displays the airlines Cheapflights users travelling from Ottawa to Washington choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Porter Airlines
C$ 261 C$ 423 No cancel fee 52%
Search Porter Airlines flights
Delta
C$ 266 C$ 511 No cancel fee N/A
Search Delta flights
United Airlines
C$ 354 C$ 812 No cancel fee 69%
Search United Airlines flights
Air Canada
C$ 426 C$ 849 No cancel fee 67%
Search Air Canada flights
American Airlines
C$ 469 C$ 699 No cancel fee 71%
Search American Airlines flights
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