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 Apr 7 2015 Return: Fri Apr 10 2015 Trip spans 4 days
Multiple Airlines
Multiple Airlines
EWR
2:55a
YOW
6:36a
3h 41m
1 stop
YOW
1:16p
EWR
2:40p
1h 24m
nonstop
Depart: Sat Feb 28 2015 Return: Tue Mar 3 2015 Trip spans 4 days
United
United
IAD
3:02a
YOW
4:33a
1h 31m
nonstop
YOW
5:08a
IAD
6:45a
1h 37m
nonstop
Depart: Sat Apr 11 2015 Return: Tue Apr 14 2015 Trip spans 4 days
Multiple Airlines
Multiple Airlines
LGA
8:50a
YOW
12:01p
3h 11m
1 stop
YOW
8:00a
LGA
12:06p
4h 06m
1 stop
Depart: Mon Apr 20 2015 Return: Tue Apr 21 2015 Trip spans 2 days
US Airways
US Airways
DCA
2:30a
YOW
8:53a
6h 23m
1 stop
YOW
2:30a
DCA
7:00a
4h 30m
1 stop
Depart: Wed May 13 2015 Return: Wed May 20 2015 Trip spans 8 days
United
United
RDU
4:10a
YOW
8:52a
4h 42m
1 stop
YOW
2:10a
RDU
8:47a
6h 37m
1 stop
Depart: Wed Apr 29 2015 Return: Mon May 4 2015 Trip spans 6 days
United
United
MIA
2:00a
YOW
9:06a
7h 06m
1 stop
YOW
1:16p
MIA
8:30p
7h 14m
1 stop
Depart: Mon Apr 27 2015 Return: Thu Apr 30 2015 Trip spans 4 days
US Airways
US Airways
BDL
11:25a
YOW
3:36p
4h 11m
1 stop
YOW
2:30a
BDL
6:41a
4h 11m
1 stop
Depart: Sat May 9 2015 Return: Sat May 23 2015 Trip spans 15 days
United
United
ATL
1:35a
YOW
5:37a
4h 02m
1 stop
YOW
12:01p
ATL
7:58p
7h 57m
1 stop
Depart: Mon May 25 2015 Return: Thu May 28 2015 Trip spans 4 days
WestJet
WestJet
MCO
2:55a
YOW
9:15a
6h 20m
1 stop
YOW
11:55a
MCO
7:29p
7h 34m
1 stop
Depart: Sun Jun 28 2015 Return: Tue Jun 30 2015 Trip spans 3 days
American Airlines
American Airlines
BWI
12:25p
YOW
3:53p
3h 28m
1 stop
YOW
7:30a
BWI
12:00p
4h 30m
1 stop
Depart: Tue Jun 30 2015 Return: Tue Jul 14 2015 Trip spans 15 days
United
United
TPA
12:10p
YOW
7:22p
7h 12m
1 stop
YOW
1:34p
TPA
7:58p
6h 24m
1 stop
Depart: Tue Apr 28 2015 Return: Thu May 7 2015 Trip spans 10 days
United
United
MSP
2:05p
YOW
6:50p
4h 45m
1 stop
YOW
10:04a
MSP
2:35p
4h 31m
1 stop
Depart: Fri Jun 19 2015 Return: Thu Jun 25 2015 Trip spans 7 days
Delta
Delta
JFK
7:45a
YOW
1:00p
5h 15m
1 stop
YOW
3:00a
JFK
8:06a
5h 06m
1 stop
Depart: Fri Aug 21 2015 Return: Fri Aug 28 2015 Trip spans 8 days
Delta
Delta
FLL
4:00a
YOW
11:44a
7h 44m
1 stop
YOW
12:40p
FLL
6:52p
6h 12m
1 stop
Depart: Mon Jun 29 2015 Return: Sat Jul 4 2015 Trip spans 6 days
Porter Airlines
Porter Airlines
MDW
2:30a
YOW
8:26a
5h 56m
1 stop
YOW
9:35a
MDW
3:40p
6h 05m
1 stop
Depart: Mon Jul 6 2015 Return: Thu Jul 9 2015 Trip spans 4 days
US Airways
US Airways
DTW
4:25p
YOW
6:55a
14h 30m
1 stop
YOW
2:35a
DTW
9:05a
6h 30m
1 stop
Depart: Sun May 10 2015 Return: Sat May 16 2015 Trip spans 7 days
Multiple Airlines
Multiple Airlines
SFO
6:00p
YOW
3:55a
9h 55m
1 stop
YOW
3:00a
SFO
8:57p
17h 57m
1 stop
Depart: Thu May 28 2015 Return: Tue Jun 2 2015 Trip spans 6 days
United
United
SEA
8:46p
YOW
6:24a
9h 38m
1 stop
YOW
10:42a
SEA
7:10p
8h 28m
1 stop
Depart: Sat Jul 4 2015 Return: Fri Jul 24 2015 Trip spans 21 days
United
United
DFW
2:00a
YOW
9:10a
7h 10m
1 stop
YOW
2:12a
DFW
9:21a
7h 09m
1 stop
Depart: Sun Aug 23 2015 Return: Sat Aug 29 2015 Trip spans 7 days
United
United
ORD
2:15a
YOW
4:08a
1h 53m
nonstop
YOW
12:30p
ORD
2:38p
2h 08m
nonstop
Change your search
Airports
Origin

New York
only $376
only $237
Detroit
$415
Seattle
$439
Raleigh
$295
Chicago
only $497
only $384
Fort Lauderdale
$383
Washington
only $232
only $265
Miami
$302
San Francisco
$428
Baltimore
$349
Minneapolis
$362
Atlanta
$332
Orlando
$339
Hartford
$303
Newark
$227
Dallas
$448
Tampa
$353
Destination

Ottawa
$227