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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
$196
AirTran, United, Delta, American, US Airways
$217
United, Delta, American, AirTran, US Airways
$194
Delta, US Airways, American, United, AirTran
$285
American, Delta, US Airways, United
$234
American, United, Delta, US Airways, AirTran
$302
United, Delta, American, Frontier
$213
American, US Airways, United, Delta
$316
Delta, US Airways, United
$430
United, US Airways, Delta, AirTran, American
$321
AirTran, American, Delta, US Airways, United
$118
United, Delta, US Airways, American, AirTran
$208
AirTran, US Airways, American, Delta, United
$283
United, Delta, US Airways, AirTran
$316
US Airways, American, AirTran, United, Delta
$316
United, Delta, US Airways, American, AirTran
$255
United, US Airways, AirTran, Delta
$292
AirTran, American, US Airways, Delta, United
$263
US Airways, Delta, United, American
$304
US Airways, AirTran, United, Delta
$292

Cheap Domestic Flights to Ottawa - YOW

Flights
Airline
Lowest Price
Delta, American, US Airways, United
$411
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
$380

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