Cheap flights from Ottawa to Washington, D.C.

Flights overview

Useful information for finding cheap flights from Ottawa to Washington, D.C. and booking your next trip
Cheapest round-trip flights $390
United 1 stop 7 hr Sat, May 9 — Sun, May 10
The cheapest round-trip flight from Ottawa to Washington, D.C. is currently $390
Cheapest one-way flight $239
Air Canada Nonstop 2 hr Wed, May 6
The cheapest one-way flight from Ottawa to Washington, D.C. is currently $239
Cheapest nonstop flights $424
Air Canada Nonstop 2 hr Thu, May 7 — Sun, May 10
The cheapest nonstop round-trip flight from Ottawa to Washington, D.C. is currently $424
Last-minute weekend getaway $700
Air Canada, United 2 stops 8 hr Sat, Apr 18 — Sun, Apr 19
The cheapest last-minute weekend getaway from Ottawa to Washington, D.C. is currently $700
Cheapest business class flights $495
United 1 stop 6 hr Sat, May 23 — Sun, May 24
The cheapest business class round-trip flight from Ottawa to Washington, D.C. is currently $495
Fastest flight 1 hr 35 min The fastest nonstop flight from Ottawa to Washington, D.C. takes 1 hr 35 min
Nonstop flights Every day There are direct flights on this route every day.

When is the cheapest time to fly?

The cheapest month to fly from Ottawa to Washington, D.C. is typically February. The most expensive month to fly is typically November.
February
Cheapest
Typical prices: $255–590
November
Most expensive
Typical prices: $355–630

Popular airlines from Ottawa to Washington, D.C.

  • United
    Nonstop
    from $348
    Typical price: $355–650
    28 weekly nonstop flights
    YOW - IAD Every day
    366 weekly connecting flights
    YOW - BWI, DCA, IAD Every day
  • Air Canada
    Nonstop
    from $424
    Typical price: $305–540
    6 weekly nonstop flights
    YOW - DCA Every Mon, Tue, Wed, Thu, Fri, Sun
    492 weekly connecting flights
    YOW - DCA, IAD Every day
  • Porter Airlines
    22 weekly connecting flights
    YOW - IAD Every day

Popular airports near Ottawa

  • Ottawa International Airport (YOW)
    Ottawa Canada 21 min 7 mi
  • Montréal-Pierre Elliott Trudeau International Airport (YUL)
    Montreal Canada 1 hr 54 min 94 mi
  • Montreal Metropolitan Airport (YHU)
    Montreal Canada 2 hr 25 min 111 mi
  • Gatineau-Ottawa Executive Airport (YND)
    Ottawa Canada 22 min 9 mi

Popular airports near Washington, D.C.

  • Ronald Reagan Washington National Airport (DCA)
    Washington United States 17 min 4 mi
  • Dulles International Airport (IAD)
    Washington United States 54 min 22 mi
  • Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI)
    Baltimore United States 48 min 27 mi
  • Philadelphia International Airport (PHL)
    Philadelphia United States 2 hr 19 min 116 mi

Frequently asked questions about flying from Ottawa to Washington, D.C.

The cheapest flights from Ottawa to Washington, D.C. are usually in February. Typical ticket prices in February range from $255 to $590.
The cheapest round-trip flight from Ottawa to Washington, D.C. recently found on Google Flights was with United from $390. The cheapest one-way flight was with Air Canada from $239.

Some of the cheapest round-trip deals we found with different airlines:
  • The cheapest United flight from Ottawa to Washington, D.C. is $348, flying from May 16 to May 17.
  • The cheapest Air Canada flight from Ottawa to Washington, D.C. is $424, flying from May 7 to May 10.
The cheapest round-trip flight from Ottawa to Washington, D.C. starts at $390 from Sat, May 9 to Sun, May 10. The cheapest one-way flight starts at $239 and departs on Wed, May 6.
1 hr 35 min is the shortest flight time from Ottawa to Washington, D.C..
Mid-Mar–Jun is Washington DC's busiest time, with many people timing their visits to coincide with cherry blossom season (late Mar–mid Apr). Washington DC’s conference centers and hotels also bustle while Congress is in session (Sep–Nov and mid-Jan–Jun). Jul–Aug tend to be hot and humid, while snowfall can vary widely in winter. The city’s most popular events are the annual Cherry Blossom Festival in spring, the 4th of July celebration in summer, and the lighting of the National Christmas Tree in winter.
It's easy to use Google Flights to find the cheapest days to fly from Ottawa to Washington, D.C..
Just click the Departure label near the top of the page to open the calendar. Choose a start date and a return date to see how the round-trip fare changes on those specific days.
Adjust the trip type to see one-way fares. The cheapest available flights are highlighted and easy to spot. Once you settle on dates, click the Search button to see flight options and book the deal.

You can also turn on price tracking to get alerts if the price changes for a route or flight.
What counts as the best airline for your flights from Ottawa to Washington, D.C. really depends on your individual needs. You may have a favorite carrier or a loyalty program you like, but price, convenience, and airports served also come into play. Flexibility and booking terms – Can you change flights if you want to stay longer or get a refund if you have to postpone your trip? – are also factors that help determine which airline is best to fly from Ottawa to Washington, D.C..

In terms of nonstop flights, United is the most popular. United offers 28 nonstop flights and 366 connecting flights per week. United flies from Ottawa International Airport (YOW) to Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI) , Ronald Reagan Washington National Airport (DCA) , Dulles International Airport (IAD) .

In terms of flights, Air Canada is the most popular. Air Canada offers 6 nonstop flights and 492 connecting flights per week. Air Canada flies from Ottawa International Airport (YOW) to Ronald Reagan Washington National Airport (DCA) , Dulles International Airport (IAD) .

Another popular airline flying from Ottawa to Washington, D.C. is:
  • Porter Airlines offers 22 connecting flights per week. Porter Airlines flies from Ottawa International Airport (YOW) to Dulles International Airport (IAD) .
The number of connecting flights refers to distinct flights with at least one stop between Ottawa and Washington, D.C..
The cheapest round-trip flight from Ottawa to Washington, D.C. recently found on Google Flights was with United from $390. The cheapest one-way flight was with Air Canada from $239.

Some of the cheapest round-trip deals we found with different airlines:
  • The cheapest United flight from Ottawa to Washington, D.C. is $348, flying from May 16 to May 17.
  • The cheapest Air Canada flight from Ottawa to Washington, D.C. is $424, flying from May 7 to May 10.
Air Canada and United fly direct from Ottawa to Washington, D.C..
  • There are 28 United direct flights from Ottawa to Washington, D.C. per week. Flights are available every day.
  • There are 6 Air Canada direct flights from Ottawa to Washington, D.C. per week. Flights are available on Monday, Tuesday, Wednesday, Thursday, Friday and Sunday.
Use the Stops filter while searching for flights, to see only nonstop options in your results.
The cheapest last-minute deal between Ottawa and Washington, D.C. at price $700 is offered by Air Canada, United from Sat, Apr 18 to Sun, Apr 19.
Air Canada and United fly direct from Ottawa to Washington, D.C..
  • There are 28 United direct flights from Ottawa to Washington, D.C. per week. Flights are available every day.
  • There are 6 Air Canada direct flights from Ottawa to Washington, D.C. per week. Flights are available on Monday, Tuesday, Wednesday, Thursday, Friday and Sunday.
Use the Stops filter while searching for flights, to see only nonstop options in your results.
There are direct flights from Ottawa to Washington, D.C. on a daily basis.
The cheapest direct (nonstop) round-trip flights between Ottawa and Washington, D.C. start at $424 from Thu, May 7 to Sun, May 10 with Air Canada.
It's easy to find nonstop flights with Google Flights! Once you've searched for flights from Ottawa to Washington, D.C., just select the nonstop flights only option in the 'Stops’ filter in the search form and view all available direct flights and their prices.
The cheapest business class round-trip flights between Ottawa and Washington, D.C. start at $495 from Sat, May 23 to Sun, May 24 with United.
The cheapest economy class round-trip flights between Ottawa and Washington, D.C. start at $390 from Sat, May 9 to Sun, May 10.
To book business class trips from Ottawa to Washington, D.C., look for the default Economy selection at the top, and change it to your desired cabin class such as Premium Economy, Business Class, or First Class. You can then select your departure and arrival dates, consider available options, and book your business travel.

You can also adjust the trip type to view one-way fares.
The best last-minute getaway deal for the next weekend between Ottawa and Washington, D.C. starts at $700 from Sat, Apr 18 to Sun, Apr 19 with Air Canada, United.
The cheapest last-minute deal between Ottawa and Washington, D.C. at price $700 is offered by Air Canada, United from Sat, Apr 18 to Sun, Apr 19.
To find last-minute flight deals from Ottawa to Washington, D.C., start by entering the city names, select the desired departure and return dates, and hit the Search button to view flight options.

You can check for last-minute flights for the same day or adjust the trip type to see one-way fares.

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