Flights to Washington, D.C. from CA $ 375*
expand_more
1 Passenger, Economy
expand_morePromotion Code
expand_moreexpand_more
today
today
United's most popular flights to Washington, D.C. (IAD)
flight_takeoff
flight_land
CA $
Toronto (YYZ)to
Washington, D.C. (IAD)2026/02/01 - 2026/02/05
from
CA $ 460
Viewed: 9 hours ago
Roundtrip
Economy
Montreal (YUL)to
Washington, D.C. (IAD)2026/02/06 - 2026/02/10
from
CA $ 504
Viewed: 3 hours ago
Roundtrip
Economy
Vancouver (YVR)to
Washington, D.C. (IAD)2026/02/18 - 2026/03/04
from
CA $ 500
Viewed: 9 hours ago
Roundtrip
Economy
Calgary (YYC)to
Washington, D.C. (IAD)2026/01/08 - 2026/01/12
from
CA $ 529
Viewed: 2 hours ago
Roundtrip
Economy
Montreal (YUL)to
Washington, D.C. (DCA)2026/01/14 - 2026/01/21
from
CA $ 511
Viewed: 2 hours ago
Roundtrip
Economy
Ottawa (YOW)to
Washington, D.C. (IAD)2026/01/14 - 2026/01/21
from
CA $ 548
Viewed: 2 hours ago
Roundtrip
Economy
Toronto (YYZ)to
Washington, D.C. (DCA)2026/01/15 - 2026/01/19
from
CA $ 467
Viewed: 1 hour ago
Roundtrip
Economy
Vancouver (YVR)to
Washington, D.C. (DCA)2026/03/06 - 2026/03/10
from
CA $ 500
Viewed: 2 hours ago
Roundtrip
Economy
*Prices have been available for round trips within the last 48 hours and may not be currently available. For Economy class, fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply. Schedules are subject to change without notice.
Business class deals on flights to Washington, D.C. (IAD)
flight_takeoff
flight_land
CA $
Toronto (YYZ)to
Washington, D.C. (IAD)
2026/02/01 - 2026/02/04
Roundtrip
Business
from
CA $ 628
Viewed: 1 hour ago
Montreal (YUL)to
Washington, D.C. (IAD)
2025/12/17 - 2025/12/28
Roundtrip
Business
from
CA $ 1,146
Viewed: 19 hours ago
Vancouver (YVR)to
Washington, D.C. (IAD)
2025/12/30 - 2026/01/02
Roundtrip
Business
from
CA $ 2,512
Viewed: 17 hours ago
Montreal (YUL)to
Washington, D.C. (DCA)
2026/01/06 - 2026/01/07
Roundtrip
Business
from
CA $ 819
Viewed: 36 minutes ago
Toronto (YYZ)to
Washington, D.C. (DCA)
2025/12/16 - 2025/12/19
Roundtrip
Business
from
CA $ 1,321
Viewed: 1 day ago
Québec (YQB)to
Washington, D.C. (IAD)
2026/04/07 - 2026/04/10
Roundtrip
Business
from
CA $ 1,171
Viewed: 22 hours ago
Halifax (YHZ)to
Washington, D.C. (DCA)
2026/04/02 - 2026/04/19
Roundtrip
Business
from
CA $ 981
Viewed: 1 hour ago
Winnipeg (YWG)to
Washington, D.C. (DCA)
2026/01/31 - 2026/02/05
Roundtrip
Business
from
CA $ 1,207
Viewed: 16 hours ago
*Prices have been available for round trips within the last 48 hours and may not be currently available. For Economy class, fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply. Schedules are subject to change without notice.
Things to do after your flight to Washington, D.C. (IAD)
Fly to Washington, D.C., with United Airlines from over 200 airports within the United States and an additional 100 airports internationally.
Washington D.C.’s top attractions
- Walk along the National Mall, a park stretching two miles in downtown featuring museums and memorials.
- Experience some of the nation's most famous landmarks, like the Lincoln Memorial, the Thomas Jefferson Memorial, Capitol Building and Washington Monument.
- Visit the Smithsonian, the largest museum complex in the world, featuring a collection of 19 museums covering topics including international art, natural history, space science and Native American history.
- Stroll the charming neighborhood of Georgetown where you’ll find boutique shops and international fare.
- Catch a game or tour the facilities of the Nationals, Capitals, Wizards, Redskins or the United.
Best time to travel to Washington, D.C.
Travel to Washington, D.C., in spring to see the National Cherry Blossom Festival or celebrate Independence Day with fireworks in the summer. Fall is a great time to take a jog through Rock Creek Park, enjoy live music at Eastern Market or spend the day at the Smithsonian’s National Zoo.