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Cheap Flights from St Louis to Ottawa, ON, Canada - STL to YOW Last modified: May 25, 2016 7:41 PM

How Much Does it Cost to Fly from St Louis to Ottawa (STL to YOW)?

We have collected flight cost data from across the web for travel from St Louis to Ottawa, and have found the average flight price for this trip to be $392.

When Can I Buy the Cheapest Flight from St Louis to Ottawa (STL to YOW)?

Airlines can adjust prices for plane tickets from St Louis to Ottawa based on the day and time that you decide to book your flight. We have collected data from all airlines, and have discovered that the best days to book flights are Tuesdays, Wednesdays, and Saturdays. Read our article to find more information about the best time to buy airline tickets.

Cheapest Day To Fly from St Louis to Ottawa

The chart below shows up-to-date information regarding the cheapest days to fly from St Louis to Ottawa.

Monday Tuesday Wednesday Thursday Friday Saturday Sunday
$294 $426 $380 $326 $400 $570 $346

St Louis to Ottawa Flight Questions

Below are some common questions that asked about this flight route:

Question: What are the most popular connecting cities when flying from St Louis to Ottawa?
Answer: Detroit, MI

Airlines Flying from St Louis to Ottawa (STL to YOW) Number of flights searched: 103Last modified: May 25, 2016 7:41 PM

Below are the different airlines that fly from St Louis to Ottawa with the average price of their plane tickets. Just remember that different airlines offer different levels of comfort and service, so consider convenience when choosing your airline.

Below is the full flight schedule summary of the next 30 days for flights from St Louis to Ottawa.

St Louis to Ottawa
Airline Connections Mon Tue Wed Thu Fri Sat Sun
American PHL X X X X X X X
Air Canada YYZ X X X X X X X
Delta DTW X X X X X X X
Delta MSP / DTW X X X X X X X
United IAD X X X X X X X

Airports for Your Route

These pages contain information about the major airports in St Louis and Ottawa, so you can feel comfortable knowing how to get around whether you are about to take off or you just landed.

Cheap Domestic Flights from St Louis - STL

FlightsAirlineLowest Price
St Louis to New York American, Alaska, United $235
St Louis to Chicago American, Alaska, United $213
St Louis to Boston American, Alaska, United $348
St Louis to Atlanta American, Alaska, Frontier, United $98
St Louis to Washington American, Alaska, United $203
St Louis to Newark American, Alaska, United $235
St Louis to Philadelphia American, Alaska, United $324
St Louis to Dallas - Ft Worth American, Alaska, United $203
St Louis to Syracuse American, Alaska, United $352
St Louis to Burlington American, Alaska, United $367
St Louis to Rochester American, Alaska, United $348
St Louis to Baltimore American, Alaska, United $269
St Louis to Detroit American, Alaska, United $222
St Louis to Hartford American, Alaska, United $250
St Louis to Albany American, Alaska, United $350
St Louis to Buffalo American, Alaska, United $345
St Louis to Charlotte American, Alaska, United $349
St Louis to Manchester American, United $334
St Louis to Pittsburgh American, Alaska, United $161
St Louis to Cleveland American, Alaska, United $164
St Louis to Providence American, Alaska, United $363

Cheap International Flights from St Louis - STL

FlightsAirlineLowest Price
St Louis to Montreal Air Choice One, American, Air Canada, Alaska, Frontier, United, WestJet $296
St Louis to Toronto Air Choice One, American, Air Canada, Alaska, JetBlue, United, WestJet $341

Cheap Domestic Flights to Ottawa - YOW

FlightsAirlineLowest Price
Springfield to Chicago American, United $168
Evansville to New York American, United $330
Springfield to New York American, Alaska, United $329
Springfield to Boston American, Alaska, United $390

Cheap International Flights to Ottawa - YOW

FlightsAirlineLowest Price
Evansville to Ottawa American, United Check Dates
Springfield to Ottawa American, United, WestJet $522
Springfield to Montreal American, United, WestJet $457
Cheap Flights from St Louis to Ottawa, ON, Airfare Search for STL to YOW, Airline One-Way and Roundtrip Schedules