STL to YOW (St. Louis to Ottawa) Flights

Last Minute Flights from STL to YOW

Price found within the past 7 days for the specified period. Click for updated prices.

Cheapest STL to YOW Flights

Price found within the past 7 days for the specified period. Click for updated prices.

OriginDestinationTravel DatesFlights From*
STLOttawaMay 12 to May 16$387
STLOttawaMay 12 to May 16$390
STLOttawaApril 8 to April 11$745
STLOttawaSeptember 24 to September 26$1,120
*Prices include taxes and fees
STL to YOW Flight Details
Origin airport
Lambert-St. Louis Intl.
Origin airport IATA code
STL
Destination airport
Macdonald-Cartier Intl.
Destination airport IATA code
YOW
Distance
878 mi

Frequently asked questions

What airlines fly direct from Lambert Field to Ottawa International Airport?
Unfortunately, there aren't any airlines flying straight from STL to Ottawa International Airport. You'll have to book a flight with one or more stops.
How many flights are there from STL to YOW?
Around 13 a day. If you're in a hurry to reach Ottawa, see if you can get your hands on a fabulous last-minute deal from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Ottawa, ON (YOW-Macdonald-Cartier Intl.) and then reserve it straight away!
What is the flight distance from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Ottawa, ON (YOW-Macdonald-Cartier Intl.)?
Classified as a short-haul flight, just 880 miles (1,400 1) separates St. Louis, MO (STL-Lambert-St. Louis Intl.) and Ottawa, ON (YOW-Macdonald-Cartier Intl.). Stretch out, but don't get too relaxed! You'll be touching down in Ottawa in just a short while.
How many morning flights are there from STL to YOW?
Put on your seat belt and journey from STL to YOW on board one of the 57 morning flights each week. United Airlines (UA) lists 44 of these services that take off before noon. 6:00AM is the earliest departure time available with this airline.
How many afternoon flights are there from STL to YOW?
Say no to the super early check in and pick one of the 38 weekly afternoon and evening flights from STL to YOW. Afternoon and evening services advertised by United Airlines (UA) take off from 12:20PM. Overall, this popular airline offers 29 flights during the week departing after midday.
What is the earliest departure time out of St. Louis to Ottawa?
The earliest flight departs STL at 6:00AM and lands at YOW at 8:32PM. Remember to allow yourself enough time in the morning to easily get to the airport.
What is the latest departure time out of St. Louis to Ottawa?
Secure a seat on the 5:35PM flight out of STL, arriving at YOW at 4:06PM, and give yourself time to carry out those last-minute vacation preparations. This is the latest flight available on this route.
What is the average price from St. Louis to Ottawa?
On average, the most competitive price for round-trip flights from STL to YOW is $387. Walk away with your own sensational deal by booking your tickets early. This price was available on Flights.com within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

St. Louis to Ottawa Flights

Whether it’s for an obligation or the sake of your sanity, sometimes you need to get away. Maybe you need flights from St. Louis to Ottawa to attend your cousin’s wedding, to pitch a business idea to your boss, or simply treat yourself to a mini vacation. Regardless of the reasons behind packing your bags and needing to find our cheapest flights from STL to YOW, we’ve got you covered here at Flights.com.

We present you with some of the most affordable deals on airfare, so stop that Google flights search. We want you to spend less on your flight from St. Louis to Ottawa, so you can spend more during your getaway. With Flights.com, you’ll find it simple to land airline tickets with itineraries matching your travel schedule. What’s more, we provide you with all the information you need to confidently make reservations on your family, business, or personal trip.

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