CA $395 Cheap Flights from St. Louis (STL) to Ottawa (YOW)

Airlines that fly from Lambert-St. Louis International Airport (STL) to Ottawa International Airport (YOW)

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Cheap Flights from St. Louis to Ottawa (STL-YOW)

Prices were available within the past 7 days and start at CA $395 for one-way flights and CA $865 for roundtrip, for the period specified. Prices and availability are subject to change. Additional terms apply.
Flight from St. Louis to Ottawa (STL - YOW) route information
Origin airport
Lambert-St. Louis Intl.
Destination airport
Macdonald-Cartier Intl.
Airlines serving
WestJet
Roundtrip price
CA $865
Distance
1405 km

St. Louis to Ottawa Flights

Ready for an adventure? Thought so! Prepare to see the sights when you book your trip from St. Louis to Ottawa with Expedia.ca. Whether you’re visiting for business or pleasure, we know how important it is to bring home travel stories. Maybe your tales will include the best dinner of your life, or the weirdest street art you saw in the city, or the concert that turned you into a fan of a new band. Whatever it is, your new favourite anecdote is right around the corner. Book your trip from STL to YOW and begin your journey!

Getting a cheap deal on your trip sets the tone for the perfect holiday. And with Expedia.ca, you know you can travel from St. Louis to Ottawa on the cheap, with enough money left over for a stellar time in the city. That could mean more tours with the kids, more concerts with the spouse, more dessert amongst co-workers, or even front row seats to a sports game if you’re travelling solo. It’s your holiday! Make it great.

Travelling shouldn’t cost an arm and a leg before you even get to relax on the plane’s armrests. Count on Expedia.ca to get you the best discounts on flights from STL to YOW. And remember this: You can also save big when you bundle. Add a hotel or car rental deal to your flight and witness those savings add up. Hey, more money for more souvenirs, right? Right! Pack your bags and we’ll see you on the route.

Combine your Ottawa flight with a hotel and/or car rental for a package deal designed to save you even more money! Discover additional savings by booking in advance or find a last minute deal. There are tons of ways to save on your flights from with Expedia Canada. Use us as your top travel destination and have the confidence that you’re getting a bargain!

Frequently asked questions

How much is a flight from STL to Ottawa International Airport?
Round-trip journeys between Lambert Field and Macdonald-Cartier Intl. Airport (YOW) start from CA $865. This figure is based on fares advertised within the last 7 days on Expedia for flights departing within the next year — book today so you don’t miss out. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Lambert Field to Ottawa International Airport?
Every air carrier has its own terms and conditions. If you do decide to cancel, follow the instructions on our Customer Service Portal.
How do I find cheap flights from St. Louis Lambert International Airport to YOW that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you’re searching for STL to YOW flights, you’ll see a “no change fees” filter for you to select.
How far is the flight from St. Louis Lambert International Airport to Macdonald-Cartier Intl. Airport (YOW)?
You won’t have time for a movie marathon on this flight — it’s just 1,400 kilometers from St. Louis to Ottawa. Find your seat, order some food and you’ll be there before long.
Which airlines fly direct from STL to Ottawa International Airport?
Flying nonstop between St. Louis Lambert International Airport and Ottawa International Airport isn’t possible right now. However, you’ll still be able to find a flight to Ottawa with at least one stop.
Are Lambert Field to YOW flight tickets cheaper when they're purchased at the last minute?
Last-minute bookings from Lambert-St. Louis Intl. Airport (STL) to Ottawa Intl. Airport can be hit-or-miss. It is possible to score a bargain, but then again, you could miss out altogether! If you’d rather play it safe and start your trip planning early on, Expedia compares flight deals up to 12 months in advance. Just bear in mind that not all airlines advertise their prices that far in advance. Our top tip? Check back often as prices are updated regularly.
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