Cheap flights from Ottawa, Canada to Washington, D.C., United States

Flights starting at CA$211. Choose between Porter Airlines, United Airlines, or Spirit Airlines to find the best price.

Make your travel wishlist, we'll do the rest
Hidden deals
Effortless booking
Travel hacking

Tips to know when travelling to Washington, D.C.

Book your trip to arrive at Baltimore–Washington International, Washington Dulles International, or Ronald Reagan Washington National. The distance between Ottawa and Washington, D.C. is 729 km. The most popular airlines for this route are Porter Airlines, United Airlines, Spirit Airlines, Frontier Airlines, and WestJet. Ottawa and Washington, D.C. have 217 direct flights per week. When you arrive at Washington, D.C., consider visiting Lincoln Memorial, Independence National Historical Park, PA, USA, and National Mall.

Weekly direct flights

Discover the top airlines offering direct flights from Ottawa to Washington, D.C. in the next month. You’ll find the number of daily direct flights per airline in the table.

Weekly direct flights for Sun 31.03 - Sat 06.04

AirlineSun 31.03Mon 01.04Tue 02.04Wed 03.04Thu 04.04Fri 05.04Sat 06.04
4444443

Weekly direct flights for Sun 07.04 - Sat 13.04

AirlineSun 07.04Mon 08.04Tue 09.04Wed 10.04Thu 11.04Fri 12.04Sat 13.04
3434443

Weekly direct flights for Sun 14.04 - Sat 20.04

AirlineSun 14.04Mon 15.04Tue 16.04Wed 17.04Thu 18.04Fri 19.04Sat 20.04
4444443

Weekly direct flights for Sun 21.04 - Sat 27.04

AirlineSun 21.04Mon 22.04Tue 23.04Wed 24.04Thu 25.04Fri 26.04Sat 27.04
4444443

Check-in for a flight from Ottawa to Washington, D.C.

NameCarrier codeIATA CodePassport needed during bookingOnline check-in available
Porter AirlinesPOEPDYes0
0
United AirlinesUALUAYesNo
Spirit AirlinesNKSNKNoOpens 24 days before flight
Closes 1 hours before flight
Frontier AirlinesFFTF9NoOpens 24 days before flight
Closes 1 hours before flight
WestJetWJAWSNoOpens 24 days before flight
Closes 1 hours before flight

Weather in Washington, D.C.

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January5°C-1°C
February8°C0°C
March12°C3°C
April19°C8°C
May23°C13°C
June28°C18°C
July31°C21°C
August30°C20°C
September26°C17°C
October20°C11°C
November13°C4°C
December8°C1°C
Hottest Month
31°C
July
Coldest month
-1°C
January
Sunny days
265
days per year
Snow days
8
days per year

14 day forecast

Friday
5 Apr
86%
11°C4°C
12 Apr
84%
20°C9°C
Saturday
6 Apr
89%
11°C2°C
13 Apr
19°C8°C
Sunday
7 Apr
14°C3°C
14 Apr
26°C12°C
Monday
8 Apr
19°C4°C
15 Apr
89%
12°C8°C
Tuesday
9 Apr
25°C9°C
16 Apr
14°C7°C
Wednesday
10 Apr
83%
23°C14°C
17 Apr
88%
10°C9°C
Thursday
11 Apr
84%
23°C12°C
18 Apr
89%
10°C8°C

Frequently asked questions

How long does it take to travel from Ottawa to Washington, D.C.?
What is the flight distance between Ottawa and Washington, D.C.?
What airlines offer nonstop (direct) flights between Ottawa and Washington, D.C.?
What are the most popular routes to and from Ottawa?
What are the most popular routes to and from Washington, D.C.?
Which airports are there in Ottawa?
What airports are near Ottawa?
What airports are near Washington, D.C.?
Is it possible to combine flights, buses, and trains in one itinerary when traveling between Ottawa and Washington, D.C.?
What is Virtual Interlining and how do I use it?
Which airlines fly between Ottawa and Washington, D.C.?
When's the best time to travel between Ottawa and Washington, D.C.?
What flights operate between Ottawa and Washington, D.C.?
How many airports are there near Ottawa?
How many airports are there near Washington, D.C.?
What time do nonstop (direct) flights between Ottawa and Washington, D.C. depart?
What time do nonstop (direct) flights between Ottawa and Washington, D.C. arrive?
What time do flights between Ottawa and Washington, D.C. depart?
What time do flights between Ottawa and Washington, D.C. arrive?

Explore alternative trips

Flights from Ottawa

Flights to Washington, D.C.

Popular routes

The nearest countries with flights to Washington, D.C.

Here is a list of countries people are flying from

Other destination countries from Ottawa

Here is a list of countries people are flying to
Find the best connection from Ottawa to Washington, D.C.
Search flights, trains & buses
We hack the system,
you fly for less