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Cheap Flights from St Louis to Ottawa - STL to YOW

Did You Know?

American Airlines has 490 connecting flights between St Louis, MO and Ottawa.
You must make at least one connection to fly from St Louis, MO to Ottawa.

Cheap Domestic Flights from St Louis - STL

Flights
Airline
Lowest Price
AirTran, American, US Airways, United, Frontier
$234
Delta, Air Choice One, American, US Airways, United, Alaska
$172
AirTran, United, Delta, American, US Airways
$294
United, Delta, American, AirTran, US Airways
$208
Delta, US Airways, American, United, AirTran
$234
American, Delta, US Airways, United
$254
American, United, Delta, US Airways, AirTran
$302
United, Delta, American, Frontier
$213
American, US Airways, United, Delta
$275
Delta, US Airways, United
$439
United, US Airways, Delta, AirTran, American
$280
AirTran, American, Delta, US Airways, United
$287
United, Delta, US Airways, American, AirTran
$208
AirTran, US Airways, American, Delta, United
$281
United, Delta, US Airways, AirTran
$316
US Airways, American, AirTran, United, Delta
$275
United, Delta, US Airways, American, AirTran
$250
United, US Airways, AirTran, Delta
$292
AirTran, American, US Airways, Delta, United
$261
US Airways, Delta, United, American
$297
US Airways, AirTran, United, Delta
$306

Cheap Domestic Flights to Ottawa - YOW

Flights
Airline
Lowest Price
Delta, American, US Airways, United
$431
American
$395
US Airways, American, United
$309
US Airways, United, Delta, American
$322

Cheap International Flights from St Louis - STL

Flights
Airline
Lowest Price
WestJet, US Airways, American, Delta, United, Air Canada
$359
United, Delta, US Airways, American, WestJet, Air Canada
$373

Cheap International Flights to Ottawa - YOW

Flights
Airline
Lowest Price
Delta, American
$380
Delta, United, American
$418
American, US Airways, Delta, United
$454
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Cheap Flights from St Louis to Ottawa, from $364 Round trip from STL to YOW