Browse Origins:
Browse Destinations:

Find Deals on Flights from Washington to Ottawa (WAS - YOW)

Dates flexible? Here are the best fares found in the past 48 hours...

Book cheap flights from Washington to Ottawa

(Round-trip)
Depart: Mon Jun 22 2015 Return: Wed Jun 24 2015 Trip spans 3 days
Porter Airlines
Porter Airlines
IAD
3:35p
YOW
6:51p
3h 16m
1 stop
YOW
11:00a
IAD
5:10p
6h 10m
1 stop
Depart: Sat Sep 12 2015 Return: Mon Sep 14 2015 Trip spans 3 days
Porter Airlines
Porter Airlines
IAD
6:30a
YOW
11:26a
4h 56m
1 stop
YOW
12:05p
IAD
3:00p
2h 55m
1 stop
Depart: Wed Jun 17 2015 Return: Sat Jun 20 2015 Trip spans 4 days
Porter Airlines
Porter Airlines
IAD
5:00a
YOW
9:56a
4h 56m
1 stop
YOW
8:25a
IAD
11:30a
3h 05m
1 stop
Depart: Tue Jun 16 2015 Return: Thu Jun 18 2015 Trip spans 3 days
Porter Airlines
Porter Airlines
IAD
12:05p
YOW
3:51p
3h 46m
1 stop
YOW
7:35a
IAD
10:40a
3h 05m
1 stop
Depart: Wed Jun 24 2015 Return: Thu Jun 25 2015 Trip spans 2 days
Porter Airlines
Porter Airlines
IAD
3:35p
YOW
6:51p
3h 16m
1 stop
YOW
1:00p
IAD
5:10p
4h 10m
1 stop
Depart: Thu Jun 18 2015 Return: Sat Jun 20 2015 Trip spans 3 days
Porter Airlines
Porter Airlines
IAD
5:00a
YOW
10:56a
5h 56m
1 stop
YOW
8:25a
IAD
11:30a
3h 05m
1 stop
Depart: Wed Jul 22 2015 Return: Sat Jul 25 2015 Trip spans 4 days
Porter Airlines
Porter Airlines
IAD
3:00a
YOW
9:26a
6h 26m
1 stop
YOW
3:25a
IAD
7:55a
4h 30m
1 stop
Depart: Fri Sep 11 2015 Return: Sun Sep 13 2015 Trip spans 3 days
Porter Airlines
Porter Airlines
IAD
12:05p
YOW
3:51p
3h 46m
1 stop
YOW
7:25a
IAD
10:45a
3h 20m
1 stop
Depart: Wed Jul 15 2015 Return: Sun Jul 26 2015 Trip spans 12 days
Porter Airlines
Porter Airlines
IAD
11:00a
YOW
3:26p
4h 26m
1 stop
YOW
5:00a
IAD
8:00a
3h 00m
1 stop
Depart: Fri Jun 26 2015 Return: Sat Jun 27 2015 Trip spans 2 days
Porter Airlines
Porter Airlines
IAD
3:00a
YOW
8:31a
5h 31m
1 stop
YOW
6:30a
IAD
11:30a
5h 00m
1 stop
Depart: Thu Jun 25 2015 Return: Mon Jun 29 2015 Trip spans 5 days
Porter Airlines
Porter Airlines
IAD
3:00a
YOW
8:31a
5h 31m
1 stop
YOW
5:30a
IAD
9:45a
4h 15m
1 stop
Depart: Thu Aug 27 2015 Return: Tue Sep 1 2015 Trip spans 6 days
Porter Airlines
Porter Airlines
IAD
3:35p
YOW
6:51p
3h 16m
1 stop
YOW
9:50a
IAD
2:20p
4h 30m
1 stop
Depart: Sun Aug 2 2015 Return: Sun Aug 16 2015 Trip spans 15 days
Porter Airlines
Porter Airlines
IAD
9:00a
YOW
12:56p
3h 56m
1 stop
YOW
5:00a
IAD
8:00a
3h 00m
1 stop
Depart: Tue Jun 23 2015 Return: Sun Jun 28 2015 Trip spans 6 days
Porter Airlines
Porter Airlines
IAD
3:00a
YOW
6:31a
3h 31m
1 stop
YOW
6:25a
IAD
10:40a
4h 15m
1 stop
Depart: Wed Sep 2 2015 Return: Wed Sep 9 2015 Trip spans 8 days
Porter Airlines
Porter Airlines
IAD
11:00a
YOW
3:26p
4h 26m
1 stop
YOW
11:20a
IAD
3:00p
3h 40m
1 stop
Depart: Fri Jul 3 2015 Return: Sun Jul 5 2015 Trip spans 3 days
Porter Airlines
Porter Airlines
IAD
11:00a
YOW
5:51p
6h 51m
1 stop
YOW
5:00a
IAD
8:00a
3h 00m
1 stop
Depart: Fri Aug 14 2015 Return: Mon Aug 17 2015 Trip spans 4 days
Air Canada
Air Canada
DCA
2:59a
YOW
4:26a
1h 27m
nonstop
YOW
5:25a
DCA
7:00a
1h 35m
nonstop
Depart: Sat Sep 19 2015 Return: Wed Sep 23 2015 Trip spans 5 days
US Airways
US Airways
DCA
3:50a
YOW
3:53p
12h 03m
2 stops
YOW
2:35a
DCA
9:19a
6h 44m
2 stops
Depart: Tue Jun 2 2015 Return: Thu Jun 4 2015 Trip spans 3 days
Delta
Delta
DCA
5:41a
YOW
11:37a
5h 56m
1 stop
YOW
3:20a
DCA
9:28a
6h 08m
1 stop
Depart: Sat May 30 2015 Return: Sun May 31 2015 Trip spans 2 days
American Airlines
American Airlines
DCA
5:45a
YOW
1:29p
7h 44m
1 stop
YOW
2:05p
DCA
6:37p
4h 32m
1 stop
Select an airline:  United
Direct flights WAS to YOW on United
Flight # Depart DCA Arrive YOW Sun Mon Tue Wed Thu Fri Sat Valid Between
8489 6:59 am 8:26 am May 21 - Sep 7
8490 8:00 pm 9:27 pm Jun 2 - Jun 15
8490 8:00 pm 9:27 pm Jun 17 - Jun 30
8490 8:00 pm 9:27 pm Jul 2 - Sep 7
Flight # Depart IAD Arrive YOW Sun Mon Tue Wed Thu Fri Sat Valid Between
3982 8:10 am 9:34 am Jun 27 - Jul 1
3982 8:10 am 9:34 am Jun 16 - Jun 26
3982 8:10 am 9:34 am Jun 4 - Jun 7
3982 8:10 am 9:34 am Jun 14 - Jun 20
3982 8:10 am 9:34 am Jun 5 - Jun 12
5289 8:10 am 9:36 am Jun 13 - Jun 13
3982 8:15 am 9:39 am Jul 4 - Jul 4
3982 8:15 am 9:39 am Jul 5 - Aug 16
3982 8:15 am 9:39 am Jul 3 - Jul 6
3982 8:15 am 9:39 am Jul 2 - Jul 2
5103 12:30 pm 1:58 pm Jun 13 - Jun 13
5103 12:30 pm 1:58 pm Jun 4 - Jun 12
5103 12:30 pm 1:58 pm Jun 27 - Jun 27
5103 12:30 pm 1:58 pm Jun 21 - Jul 1
5103 12:30 pm 1:58 pm Jun 20 - Jun 20
5103 12:30 pm 1:58 pm Jun 14 - Jun 19
5103 12:35 pm 2:04 pm Jul 2 - Jul 10
3413 5:10 pm 6:40 pm Jul 3 - Jul 3
5110 5:10 pm 6:38 pm Jun 30 - Jun 30
5110 5:10 pm 6:38 pm Jul 5 - Jul 5
5110 5:10 pm 6:38 pm Jul 2 - Jul 9
5110 5:10 pm 6:38 pm Jun 23 - Jun 23
5110 5:10 pm 6:38 pm Jun 17 - Jun 17
5110 5:10 pm 6:38 pm Jun 10 - Jun 10
5110 5:10 pm 6:38 pm Jun 24 - Jun 24
5110 5:10 pm 6:38 pm Jul 1 - Jul 1
5110 5:10 pm 6:38 pm Jun 9 - Jun 16
5275 5:10 pm 6:39 pm Jun 4 - Jun 29
Airports
Origin

Washington
only $284
only $342
Destination

Ottawa
$284