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

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St. Louis to Ottawa route information
Origin airport
Lambert-St. Louis Intl.
Destination airport
Macdonald-Cartier Intl.
Distance
1405 km

Perfect flights from St. Louis to Ottawa

Your Journey from St. Louis to Ottawa

Start your unforgettable journey with Expedia. Our broad selection of flights from St. Louis to Ottawa caters to every travel need. Whether you're yearning for a romantic escape, a solo adventure, or a cultural immersion, we've got you covered.
 

Choosing Your Ideal Flight

With Expedia, you have access to a wide range of airlines, including . Our selection of flights from Lambert-St. Louis Intl. to Macdonald-Cartier Intl. caters to every traveler's requirements, ensuring your journey aligns with your schedule. With options from airlines, you're bound to find the perfect flight.
 

Maximizing Value with St. Louis to Ottawa Flights

Experience the joy of finding cheap flights from Lambert-St. Louis Intl. to Macdonald-Cartier Intl. that fit your budget. Keep an eye out for our special deals and discounts, and check our flexible one-way fares and roundtrip prices *.
 

Pre-Flight Essentials

Ensure a smooth journey from St. Louis to Ottawa with Expedia. From information about check-in times and in-flight amenities to guidance on baggage policies, we provide all the essentials to prepare you for your flight.
 

Experience the Vibrant Ottawa

Picture yourself stepping off the plane in Ottawa and immersing yourself in the unique atmosphere of . From local markets to cultural festivals, each city offers its distinct charm. Make the most of your trip by exploring local attractions and indulging in the local cuisine. With Expedia, explore all this and more, tailored to your budget.
 

Added Convenience on Your St. Louis to Ottawa Flight

Traveling with Expedia is more than just a flight. We offer details about in-flight amenities, baggage policies, and more to ensure a smooth and hassle-free journey. Choose from our variety of airlines and embark on a memorable journey from St. Louis to Ottawa.
 

Beyond the Flight – Exploring Ottawa

With Expedia, your adventure extends beyond the flight. Explore Ottawa at your own pace by renting a car or booking a hotel. Discover hidden gems off the beaten path and create unforgettable memories.
 

Book Your Flight from St. Louis to Ottawa with Confidence

Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support make your travel experience seamless and stress-free. Embark on your journey from St. Louis to Ottawa with confidence. Book your travel arrangements with Expedia today.
 
*Note: Prices may vary based on availability and are subject to change.

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 . 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 kilometres 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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