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: Sat Apr 4 2015 Return: Mon Apr 6 2015 Trip spans 3 days
United
United
IAD
YOW
1h 27m
nonstop
YOW
IAD
1h 39m
nonstop
Depart: Tue Apr 28 2015 Return: Wed Apr 29 2015 Trip spans 2 days
Porter Airlines
Porter Airlines
EWR
YOW
4h 21m
1 stop
YOW
EWR
3h 10m
1 stop
Depart: Wed Jun 17 2015 Return: Wed Jun 24 2015 Trip spans 8 days
WestJet
WestJet
LGA
YOW
5h 30m
1 stop
YOW
LGA
5h 59m
1 stop
Depart: Fri Apr 17 2015 Return: Mon Apr 20 2015 Trip spans 4 days
Air Canada
Air Canada
DCA
YOW
1h 27m
nonstop
YOW
DCA
1h 33m
nonstop
Depart: Fri Apr 3 2015 Return: Sun Apr 5 2015 Trip spans 3 days
WestJet
WestJet
MCO
YOW
3h 00m
nonstop
YOW
MCO
3h 09m
nonstop
Depart: Tue Apr 21 2015 Return: Sat Apr 25 2015 Trip spans 5 days
WestJet
WestJet
FLL
YOW
3h 14m
nonstop
YOW
FLL
3h 33m
nonstop
Depart: Wed May 20 2015 Return: Thu May 21 2015 Trip spans 2 days
Porter Airlines
Porter Airlines
BOS
YOW
3h 41m
1 stop
YOW
BOS
3h 35m
1 stop
Depart: Thu Apr 30 2015 Return: Mon May 4 2015 Trip spans 5 days
United
United
RDU
YOW
3h 19m
1 stop
YOW
RDU
3h 57m
1 stop
Depart: Thu Jun 18 2015 Return: Sun Jun 21 2015 Trip spans 4 days
United
United
MIA
YOW
6h 39m
1 stop
YOW
MIA
7h 01m
1 stop
Depart: Mon Apr 27 2015 Return: Tue Apr 28 2015 Trip spans 2 days
Porter Airlines
Porter Airlines
MDW
YOW
3h 56m
1 stop
YOW
MDW
4h 15m
1 stop
Depart: Thu Apr 2 2015 Return: Tue Apr 7 2015 Trip spans 6 days
American Airlines
American Airlines
PBI
YOW
6h 38m
1 stop
YOW
PBI
16h 34m
1 stop
Depart: Wed Sep 30 2015 Return: Mon Oct 5 2015 Trip spans 6 days
United
United
ATL
YOW
6h 38m
1 stop
YOW
ATL
6h 34m
1 stop
Depart: Tue May 26 2015 Return: Sat May 30 2015 Trip spans 5 days
United
United
BWI
YOW
4h 30m
1 stop
YOW
BWI
4h 03m
1 stop
Depart: Sat May 2 2015 Return: Mon May 4 2015 Trip spans 3 days
United
United
DTW
YOW
5h 32m
1 stop
YOW
DTW
6h 16m
1 stop
Depart: Mon May 11 2015 Return: Sat May 16 2015 Trip spans 6 days
Air Canada
Air Canada
MSP
YOW
4h 13m
1 stop
YOW
MSP
5h 35m
1 stop
Depart: Wed Jul 1 2015 Return: Wed Jul 8 2015 Trip spans 8 days
United
United
TPA
YOW
6h 27m
1 stop
YOW
TPA
6h 24m
1 stop
Depart: Wed Aug 26 2015 Return: Wed Sep 2 2015 Trip spans 8 days
Delta
Delta
JFK
YOW
5h 16m
1 stop
YOW
JFK
5h 06m
1 stop
Depart: Mon Jun 1 2015 Return: Tue Jun 2 2015 Trip spans 2 days
United
United
LAX
YOW
9h 57m
1 stop
YOW
LAX
9h 12m
1 stop
Depart: Thu Jun 4 2015 Return: Sun Jun 7 2015 Trip spans 4 days
Delta
Delta
MKE
YOW
11h 04m
2 stops
YOW
MKE
5h 50m
1 stop
Depart: Thu Jun 25 2015 Return: Mon Jun 29 2015 Trip spans 5 days
United
United
PIT
YOW
3h 33m
1 stop
YOW
PIT
3h 37m
1 stop
Airports
Origin

Milwaukee
$392
New York
only $380
only $260
Detroit
$349
Raleigh
$308
Chicago
$325
Fort Lauderdale
$270
Washington
only $233
only $263
Miami
$316
West Palm Beach
$326
Baltimore
$348
Minneapolis
$358
Atlanta
$340
Orlando
$267
Los Angeles
$390
Newark
$251
Tampa
$368
Boston
$296
Pittsburgh
$396
Destination

Ottawa
$233