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: Wed Jan 14 2015 Return: Sun Jan 18 2015 Trip spans 5 days
Multiple Airlines
Multiple Airlines
EWR
5:55a
YOW
9:44a
3h 49m
1 stop
YOW
11:20a
EWR
2:30p
3h 10m
1 stop
Depart: Sat Jan 17 2015 Return: Tue Jan 20 2015 Trip spans 4 days
Porter Airlines
Porter Airlines
IAD
9:40a
YOW
12:51p
3h 11m
1 stop
YOW
10:00a
IAD
3:00p
5h 00m
1 stop
Depart: Fri Feb 13 2015 Return: Mon Feb 16 2015 Trip spans 4 days
American Airlines
American Airlines
LGA
12:45p
YOW
6:02a
17h 17m
1 stop
YOW
1:25a
LGA
5:05p
15h 40m
1 stop
Depart: Tue Feb 24 2015 Return: Sun Mar 1 2015 Trip spans 6 days
Multiple Airlines
Multiple Airlines
RDU
12:19a
YOW
6:02a
5h 43m
1 stop
YOW
6:37a
RDU
4:52p
10h 15m
1 stop
Depart: Sun Mar 1 2015 Return: Wed Mar 4 2015 Trip spans 4 days
American Airlines
American Airlines
BDL
2:40p
YOW
6:02a
15h 22m
1 stop
YOW
1:25a
BDL
4:41p
15h 16m
1 stop
Depart: Wed Jan 21 2015 Return: Thu Jan 22 2015 Trip spans 2 days
Porter Airlines
Porter Airlines
BOS
12:00p
YOW
3:51p
3h 51m
1 stop
YOW
1:15p
BOS
4:50p
3h 35m
1 stop
Depart: Sun Jan 18 2015 Return: Mon Jan 19 2015 Trip spans 2 days
American Airlines
American Airlines
ORD
5:36p
YOW
5:02a
11h 26m
1 stop
YOW
6:37a
ORD
1:15p
6h 38m
1 stop
Depart: Sun Feb 8 2015 Return: Sun Feb 22 2015 Trip spans 15 days
Porter Airlines
Porter Airlines
MDW
4:00a
YOW
9:56a
5h 56m
1 stop
YOW
12:25p
MDW
4:50p
4h 25m
1 stop
Depart: Sat Feb 7 2015 Return: Sun Feb 15 2015 Trip spans 9 days
US Airways
US Airways
PVD
2:00a
YOW
6:02a
4h 02m
1 stop
YOW
6:37a
PVD
12:07p
5h 30m
1 stop
Depart: Tue Dec 30 2014 Return: Thu Jan 8 2015 Trip spans 10 days
United
United
FLL
6:23a
YOW
1:55p
7h 32m
1 stop
YOW
9:43a
FLL
5:11p
7h 28m
1 stop
Depart: Tue Feb 3 2015 Return: Fri Feb 6 2015 Trip spans 4 days
United
United
TPA
8:57a
YOW
1:26p
4h 29m
1 stop
YOW
9:23a
TPA
3:09p
5h 46m
1 stop
Depart: Tue Jan 27 2015 Return: Fri Jan 30 2015 Trip spans 4 days
United
United
MCO
6:20a
YOW
11:35a
5h 15m
1 stop
YOW
2:10p
MCO
7:30p
5h 20m
1 stop
Depart: Sat May 30 2015 Return: Sun Jun 7 2015 Trip spans 9 days
US Airways
US Airways
BWI
4:00a
YOW
3:53p
11h 53m
1 stop
YOW
2:35a
BWI
10:11a
7h 36m
1 stop
Depart: Thu Jan 1 2015 Return: Mon Jan 5 2015 Trip spans 5 days
US Airways
US Airways
ATL
3:50a
YOW
5:15p
13h 25m
1 stop
YOW
8:32a
ATL
5:36p
9h 04m
1 stop
Depart: Sat Feb 21 2015 Return: Wed Feb 25 2015 Trip spans 5 days
United
United
DTW
1:00a
YOW
5:20a
4h 20m
1 stop
YOW
1:30a
DTW
9:01a
7h 31m
1 stop
Depart: Fri May 15 2015 Return: Sun May 17 2015 Trip spans 3 days
United
United
IND
2:00a
YOW
6:29a
4h 29m
1 stop
YOW
11:07a
IND
5:42p
6h 35m
1 stop
Depart: Sun Jan 25 2015 Return: Thu Jan 29 2015 Trip spans 5 days
American Airlines
American Airlines
PIT
2:15a
YOW
6:02a
3h 47m
1 stop
YOW
1:25a
PIT
6:14a
4h 49m
1 stop
Depart: Mon Jan 26 2015 Return: Wed Feb 4 2015 Trip spans 10 days
Multiple Airlines
Multiple Airlines
LAX
7:35p
YOW
2:10p
18h 35m
1 stop
YOW
9:23a
LAX
5:55p
8h 32m
1 stop
Depart: Mon Mar 16 2015 Return: Sun Mar 22 2015 Trip spans 7 days
United
United
MIA
4:00a
YOW
10:16a
6h 16m
1 stop
YOW
12:44p
MIA
8:11p
7h 27m
1 stop
Depart: Thu Apr 30 2015 Return: Tue May 12 2015 Trip spans 13 days
United
United
SEA
3:50p
YOW
2:37a
10h 47m
2 stops
YOW
12:30p
SEA
10:42p
10h 12m
2 stops
Change your search
Airports
Origin

Detroit
$377
Providence
$342
Seattle
$447
Raleigh
$290
Chicago
only $312
only $340
Fort Lauderdale
$345
Washington
$260
Miami
$434
New York City
$277
Baltimore
$351
Atlanta
$362
Orlando
$347
Los Angeles
$425
Hartford
$295
Newark
$239
Tampa
$345
Boston
$301
Indianapolis
$385
Pittsburgh
$387
Destination

Ottawa
$239