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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
$259
Delta, Air Choice One, American, US Airways, United, Alaska
$210
AirTran, United, Delta, American, US Airways
$352
United, Delta, American, AirTran, US Airways
$209
Delta, US Airways, American, United, AirTran
$304
American, Delta, US Airways, United
$250
American, United, Delta, US Airways, AirTran
$302
United, Delta, American, Frontier
$183
American, US Airways, United, Delta
$332
Delta, US Airways, United
$499
United, US Airways, Delta, AirTran, American
$331
AirTran, American, Delta, US Airways, United
$319
United, Delta, US Airways, American, AirTran
$215
AirTran, US Airways, American, Delta, United
$259
United, Delta, US Airways, AirTran
$344
US Airways, American, AirTran, United, Delta
$317
United, Delta, US Airways, American, AirTran
$250
United, US Airways, AirTran, Delta
$327
AirTran, American, US Airways, Delta, United
$263
US Airways, Delta, United, American
$337
US Airways, AirTran, United, Delta
$358

Cheap Domestic Flights to Ottawa - YOW

Flights
Airline
Lowest Price
Delta, American, US Airways, United
$453
American
$351
US Airways, American, United
$309
US Airways, United, Delta, American
$318

Cheap International Flights from St Louis - STL

Flights
Airline
Lowest Price
WestJet, US Airways, American, Delta, United, Air Canada
$366
United, Delta, US Airways, American, WestJet, Air Canada
$381

Cheap International Flights to Ottawa - YOW

Flights
Airline
Lowest Price
Delta, American
$402
Delta, United, American
$418
American, US Airways, Delta, United
$454
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Cheap Flights from St Louis to Ottawa, from $360 Round trip from STL to YOW