Book United Ottawa to Washington, D.C. flight deals from CA $573

Select journey type

Enter to select travel class and passengers

Plan ahead for flights from Ottawa to Washington, D.C.

from
to
Type
Dates
Price*
Ottawa (YOW)
to Washington, D.C. (WAS)
Roundtrip
Depart Tue 16 Oct 2018
Return Wed 31 Oct 2018
fromCA $ 573*Viewed: 3 hours ago
Ottawa (YOW)
to Washington, D.C. (WAS)
Roundtrip
Depart Tue 27 Nov 2018
Return Wed 12 Dec 2018
fromCA $ 573*Viewed: 3 hours ago
Ottawa (YOW)
to Washington, D.C. (WAS)
Roundtrip
Depart Tue 11 Dec 2018
Return Wed 26 Dec 2018
fromCA $ 573*Viewed: 3 hours ago
Ottawa (YOW)
to Washington, D.C. (WAS)
Roundtrip
Depart Mon 22 Oct 2018
Return Tue 6 Nov 2018
fromCA $ 576*Viewed: 3 hours ago
Ottawa (YOW)
to Washington, D.C. (WAS)
Roundtrip
Depart Fri 26 Oct 2018
Return Sat 10 Nov 2018
fromCA $ 576*Viewed: 3 hours ago
Ottawa (YOW)
to Washington, D.C. (WAS)
Roundtrip
Depart Mon 5 Nov 2018
Return Tue 20 Nov 2018
fromCA $ 576*Viewed: 3 hours ago
Ottawa (YOW)
to Washington, D.C. (WAS)
Roundtrip
Depart Mon 12 Nov 2018
Return Tue 27 Nov 2018
fromCA $ 576*Viewed: 3 hours ago
Ottawa (YOW)
to Washington, D.C. (WAS)
Roundtrip
Depart Mon 19 Nov 2018
Return Tue 4 Dec 2018
fromCA $ 576*Viewed: 3 hours ago
Ottawa (YOW)
to Washington, D.C. (WAS)
Roundtrip
Depart Mon 26 Nov 2018
Return Tue 11 Dec 2018
fromCA $ 576*Viewed: 3 hours ago
Ottawa (YOW)
to Washington, D.C. (WAS)
Roundtrip
Depart Mon 3 Dec 2018
Return Tue 18 Dec 2018
fromCA $ 576*Viewed: 3 hours ago
*Prices have been available for round trips within the last 48 hours and may not be currently available. 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.