Cheap flights from Saint Louis to Ottawa
Selected dates may not give results due to COVID-19. We suggest you change the dates.
Round trip One way
Round trip
One way
Select departure
No results match your search criteria
  • Latest searches
Select arrival
No results match your search criteria
  • Latest searches
Round trip One way
Round trip
One way
{{ weekDay }}
{{ panel.label }}
Looking for a one-way flight?
{{ fromDate | dateToDayNumber }}

{{ fromDate | dateToMonthName }}

{{ fromDate | dateToDayName }}

{{ flexibleFromDateLabel }}
{{ option.label }}
?
{{ flexibleToDateLabel }}
{{ option.label }}
Class and passengers
Class
Economy
Available for Economy only
Number of passengers
Adults
{{ adults }}
Children
{{ children }}
Infants
{{ infants }}
  • Compare with:
    Sponsored

Compare flight deals from Saint Louis to Ottawa

Find the cheapest flight with Fly Scanner flight comparison engine. Compare hundreds of low cost flight offers in seconds and find your airfare at the best price. With Fly Scanner you can find the ideal Saint Louis - Ottawa flight without wasting time.

Customize your search

Looking for a Saint Louis - Ottawa direct flight? In just a few seconds, our comparator will provide you with the best deals for your flight by selecting your travel optionsfrom more than 400 airlines: just filter your search according to your needs.

Find the Saint Louis - Ottawa low cost flight you prefer

Fly Scanner, once you enter your departure and arrival cities, will compare thousands of offers based on your needs.

Filter your search

Fly Scanner offers the possibility to customize your search according to different criteria:

  • Only direct flights
  • Only flights of one airline
  • Only flights departing or arriving at a specific airport
Other filters allow you to check prices for nearby dates to save even more on your trip to Canada.

Frequently Asked Questions

Frequently asked questions about flights from Saint Louis to Ottawa.

How much does a Saint Louis - Ottawa flight cost?

The availability of airline tickets can vary greatly depending on the time of year and destination. This information is currently unavailable for flights from Saint Louis to Ottawa.

How far is Saint Louis from Ottawa?

Saint Louis is about 878 mi from Ottawa.

What are the airports in Ottawa?

Ottawa has one airport: Ottawa - McDonald Cartier.

What are the airports in Saint Louis?

Saint Louis has one airport: Saint Louis - Lambert.

What are the most popular destinations searched for in Canada?

The most searched cities in Canada according to our users are: Calgary, Edmonton, Montreal, Toronto, Vancouver.

What is the cheapest month to fly from Saint Louis to Ottawa?

This information is not available at the moment.

What is the most expensive month to fly from Saint Louis to Ottawa?

This information is not available at the moment.

What is the best day of the week to fly from Saint Louis to Ottawa?

For flights from Saint Louis to Ottawa Friday is on average the cheapest day to fly, while Friday is the most expensive day to fly.
How do we get the info you see here? Please note that we offer an online comparison service and that all information and prices regarding services and/or products available on our website are provided by our third-party partners. We do our best to show you up-to-date information, but please note that we are not responsible for the completeness or accuracy of the information published, so please check all conditions carefully on the website of the partner before making a booking. Please check our Terms and Conditions for more details. Read more