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: Thu Feb 26 2015 Return: Tue Mar 3 2015 Trip spans 6 days
Porter Airlines
Porter Airlines
EWR
2:50a
YOW
6:31a
3h 41m
1 stop
YOW
1:15p
EWR
5:00p
3h 45m
1 stop
Depart: Sat Feb 14 2015 Return: Mon Feb 16 2015 Trip spans 3 days
Porter Airlines
Porter Airlines
IAD
9:40a
YOW
12:51p
3h 11m
1 stop
YOW
10:15a
IAD
2:55p
4h 40m
1 stop
Depart: Thu Feb 19 2015 Return: Mon Feb 23 2015 Trip spans 5 days
American Airlines
American Airlines
LGA
1:40p
YOW
6:02a
16h 22m
1 stop
YOW
1:25a
LGA
5:05p
15h 40m
1 stop
Depart: Fri Feb 20 2015 Return: Mon Feb 23 2015 Trip spans 4 days
American Airlines
American Airlines
DCA
1:30a
YOW
6:02a
4h 32m
1 stop
YOW
1:25a
DCA
6:48p
17h 23m
1 stop
Depart: Wed Mar 4 2015 Return: Thu Mar 5 2015 Trip spans 2 days
American Airlines
American Airlines
BWI
1:50p
YOW
6:02a
16h 12m
1 stop
YOW
6:37a
BWI
11:02a
4h 25m
1 stop
Depart: Thu Mar 5 2015 Return: Sun Mar 8 2015 Trip spans 3 days
Air Canada
Air Canada
MIA
3:00a
YOW
9:16a
6h 16m
1 stop
YOW
4:00a
MIA
11:16a
7h 16m
1 stop
Depart: Tue Feb 17 2015 Return: Tue Mar 10 2015 Trip spans 21 days
United
United
RDU
1:11a
YOW
4:33a
3h 22m
1 stop
YOW
6:19a
RDU
11:53a
5h 34m
1 stop
Depart: Sat Jan 31 2015 Return: Sun Feb 1 2015 Trip spans 2 days
Porter Airlines
Porter Airlines
MDW
3:00a
YOW
7:41a
4h 41m
1 stop
YOW
5:00a
MDW
9:15a
4h 15m
1 stop
Depart: Tue Jul 7 2015 Return: Tue Jul 28 2015 Trip spans 22 days
Delta
Delta
FLL
4:00a
YOW
11:44a
7h 44m
1 stop
YOW
12:40p
FLL
6:52p
6h 12m
1 stop
Depart: Tue Jun 2 2015 Return: Fri Jun 5 2015 Trip spans 4 days
United
United
ATL
2:45a
YOW
9:23a
6h 38m
1 stop
YOW
2:12a
ATL
7:20a
5h 08m
1 stop
Depart: Tue Feb 24 2015 Return: Sun Mar 1 2015 Trip spans 6 days
United
United
MCO
1:00a
YOW
7:03a
6h 03m
1 stop
YOW
2:15p
MCO
7:29p
5h 14m
1 stop
Depart: Wed Mar 11 2015 Return: Thu Mar 19 2015 Trip spans 9 days
American Airlines
American Airlines
ORD
3:35p
YOW
6:02a
14h 27m
1 stop
YOW
3:20a
ORD
2:24p
11h 04m
1 stop
Depart: Tue May 12 2015 Return: Sun May 17 2015 Trip spans 6 days
Multiple Airlines
Multiple Airlines
BOS
3:00a
YOW
6:55a
3h 55m
1 stop
YOW
10:25a
BOS
3:30p
5h 05m
1 stop
Depart: Tue May 19 2015 Return: Sun May 24 2015 Trip spans 6 days
United
United
PIT
2:00a
YOW
5:37a
3h 37m
1 stop
YOW
11:07a
PIT
3:33p
4h 26m
1 stop
Depart: Mon Mar 30 2015 Return: Mon Apr 6 2015 Trip spans 8 days
United
United
MSP
2:22a
YOW
8:07a
5h 45m
1 stop
YOW
2:04a
MSP
9:30a
7h 26m
1 stop
Depart: Mon Jul 13 2015 Return: Tue Jul 28 2015 Trip spans 16 days
United
United
PBI
6:05a
YOW
12:53p
6h 48m
1 stop
YOW
1:34p
PBI
7:59p
6h 25m
1 stop
Depart: Thu Apr 23 2015 Return: Wed Apr 29 2015 Trip spans 7 days
United
United
SGF
3:48a
YOW
8:15a
4h 27m
1 stop
YOW
2:05a
SGF
7:30a
5h 25m
1 stop
Depart: Mon Mar 16 2015 Return: Tue Mar 24 2015 Trip spans 9 days
United
United
SEA
6:35p
YOW
2:38a
8h 03m
1 stop
YOW
10:39a
SEA
8:52p
10h 13m
1 stop
Depart: Wed Jul 29 2015 Return: Sun Aug 2 2015 Trip spans 5 days
American Airlines
American Airlines
TPA
1:10a
YOW
6:11p
17h 01m
1 stop
YOW
2:10a
TPA
7:49p
17h 39m
1 stop
Depart: Wed Jun 24 2015 Return: Sat Jul 11 2015 Trip spans 18 days
Delta
Delta
HOU
5:10a
YOW
10:44a
5h 34m
1 stop
YOW
5:30a
HOU
11:09a
5h 39m
1 stop
Change your search
Airports
Origin

New York
$271
Seattle
$434
Raleigh
$305
Chicago
only $349
only $319
Fort Lauderdale
$322
Washington
only $270
only $271
Miami
$294
West Palm Beach
$387
Baltimore
$281
Minneapolis
$367
Atlanta
$337
Orlando
$346
Springfield
$418
Newark
$261
Tampa
$444
Houston
$491
Boston
$350
Pittsburgh
$357
Destination

Ottawa
$261