Find Flight Deals from United States to Ottawa

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

Book cheap flights to Ottawa

(Round-trip)
Depart: Tue May 5 2015 Return: Tue May 12 2015 Trip spans 8 days
Multiple Airlines
Multiple Airlines
LGA
3:30a
YOW
8:53a
5h 23m
1 stop
YOW
2:00p
LGA
5:59p
3h 59m
1 stop
Depart: Thu Apr 9 2015 Return: Sun Apr 12 2015 Trip spans 4 days
WestJet
WestJet
MCO
5:05p
YOW
8:05p
3h 00m
nonstop
YOW
1:40p
MCO
4:49p
3h 09m
nonstop
Depart: Sat Mar 28 2015 Return: Sat Apr 4 2015 Trip spans 8 days
US Airways
US Airways
DCA
2:00a
YOW
7:02a
5h 02m
1 stop
YOW
2:30a
DCA
11:01a
8h 31m
1 stop
Depart: Wed May 27 2015 Return: Sun May 31 2015 Trip spans 5 days
Multiple Airlines
Multiple Airlines
EWR
2:45a
YOW
6:55a
4h 10m
1 stop
YOW
2:35a
EWR
6:23a
3h 48m
1 stop
Depart: Wed May 13 2015 Return: Tue May 19 2015 Trip spans 7 days
Multiple Airlines
Multiple Airlines
IAD
7:04a
YOW
6:12p
11h 08m
1 stop
YOW
5:35a
IAD
10:40a
5h 05m
1 stop
Depart: Thu Mar 26 2015 Return: Thu Apr 23 2015 Trip spans 29 days
Multiple Airlines
Multiple Airlines
MIA
3:30p
YOW
7:02a
15h 32m
1 stop
YOW
8:00a
MIA
4:08p
8h 08m
1 stop
Depart: Mon May 25 2015 Return: Fri May 29 2015 Trip spans 5 days
United
United
RDU
4:10a
YOW
8:42a
4h 32m
1 stop
YOW
2:10a
RDU
8:47a
6h 37m
1 stop
Depart: Tue Mar 31 2015 Return: Thu Apr 2 2015 Trip spans 3 days
US Airways
US Airways
BDL
3:05a
YOW
8:53a
5h 48m
1 stop
YOW
2:30a
BDL
6:41a
4h 11m
1 stop
Depart: Tue May 12 2015 Return: Thu May 14 2015 Trip spans 3 days
Multiple Airlines
Multiple Airlines
BOS
12:30p
YOW
6:27p
5h 57m
1 stop
YOW
3:15a
BOS
9:35a
6h 20m
1 stop
Depart: Sat Apr 4 2015 Return: Thu Apr 9 2015 Trip spans 6 days
Air Canada
Air Canada
FLL
2:50a
YOW
9:13a
6h 23m
1 stop
YOW
5:50a
FLL
1:33p
7h 43m
1 stop
Depart: Tue Jun 9 2015 Return: Wed Jun 10 2015 Trip spans 2 days
American Airlines
American Airlines
BWI
2:35p
YOW
6:55a
16h 20m
1 stop
YOW
7:30a
BWI
12:00p
4h 30m
1 stop
Depart: Mon May 4 2015 Return: Tue May 12 2015 Trip spans 9 days
Delta
Delta
JFK
7:48a
YOW
1:00p
5h 12m
1 stop
YOW
12:45p
JFK
6:00p
5h 15m
1 stop
Depart: Mon Apr 27 2015 Return: Wed Apr 29 2015 Trip spans 3 days
US Airways
US Airways
ATL
4:30a
YOW
3:36p
11h 06m
1 stop
YOW
3:20a
ATL
5:34p
14h 14m
1 stop
Depart: Sun Apr 5 2015 Return: Fri Apr 10 2015 Trip spans 6 days
American Airlines
American Airlines
PIT
1:30a
YOW
8:53a
7h 23m
1 stop
YOW
2:30a
PIT
11:07a
8h 37m
1 stop
Depart: Wed Apr 15 2015 Return: Mon Apr 20 2015 Trip spans 6 days
American Airlines
American Airlines
PBI
2:15a
YOW
8:53a
6h 38m
1 stop
YOW
3:20a
PBI
9:05a
5h 45m
1 stop
Depart: Tue Jun 2 2015 Return: Fri Jun 5 2015 Trip spans 4 days
United
United
MSP
4:05a
YOW
9:02a
4h 57m
1 stop
YOW
9:20a
MSP
1:56p
4h 36m
1 stop
Depart: Tue Jun 16 2015 Return: Thu Jun 18 2015 Trip spans 3 days
United
United
DTW
2:00a
YOW
6:29a
4h 29m
1 stop
YOW
9:20a
DTW
2:16p
4h 56m
1 stop
Depart: Tue Apr 7 2015 Return: Sun Apr 12 2015 Trip spans 6 days
American Airlines
American Airlines
ORD
12:40p
YOW
7:53a
19h 13m
1 stop
YOW
9:32a
ORD
6:28a
20h 56m
1 stop
Depart: Wed Apr 22 2015 Return: Thu Apr 30 2015 Trip spans 9 days
Multiple Airlines
Multiple Airlines
DFW
2:20a
YOW
7:53a
5h 33m
1 stop
YOW
2:00a
DFW
7:47a
5h 47m
1 stop
Depart: Wed Jul 29 2015 Return: Sun Aug 2 2015 Trip spans 5 days
United
United
TPA
2:05a
YOW
9:23a
7h 18m
1 stop
YOW
1:34p
TPA
7:58p
6h 24m
1 stop
Change your search
Airports
Origin

New York
only $326
only $253
Detroit
$370
Raleigh
$295
Chicago
$379
Fort Lauderdale
$316
Washington
only $266
only $265
Miami
$284
West Palm Beach
$355
Baltimore
$318
Minneapolis
$366
Atlanta
$330
Orlando
$256
Hartford
$304
Newark
$265
Dallas
$420
Tampa
$428
Boston
$305
Pittsburgh
$351
Destination

Ottawa
$253