Cheap flights from Ottawa to St. Louis from C$ 534
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ottawa to St. Louis departing on 24/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Deals available from 900+ travel sites.
Big names, great deals
Big names, great deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Early arrival? Instantly customize your resultsTrusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? Create a price alert to track prices.Easily compare round-trip flights from Ottawa to St. Louis
Below you can see the best fares for your round-trip flight route over the next three months. All fares were found on momondo this week. Browse the quickest and cheapest flights from Ottawa to St. Louis by changing tabs
Find the cheapest one-way flights from Ottawa to St. Louis
If you're looking for one-way flights from Ottawa to St. Louis, view some of our deals below provided by United Airlines
Air Canada flights from Ottawa to St. Louis
Our best Air Canada deals on Ottawa to St. Louis flight tickets
How to get the cheapest flight ticket from Ottawa to St. Louis
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly from Ottawa to St. Louis?
October. The cheapest time of year to fly to St. Louis from Ottawa is October. The most expensive is January.
What is the cheapest day to depart Ottawa for St. Louis?
Monday. The cheapest day of the week is typically Monday. The most expensive is typically Saturday
When is the cheapest time to fly from Ottawa to St. Louis?
Ottawa to St. Louis flights are currently only available in the morning
What is the cheapest airline that flies to St. Louis from Ottawa?
Air Canada. Air Canada is the most popular carrier operating from Ottawa to St. Louis
What is the cheapest Ottawa to St. Louis flight route?
Ottawa - Lambert-St Louis. Fly from Ottawa to Lambert-St Louis for the best Ottawa - St. Louis flight prices
How far in advance should you book Ottawa to St. Louis flights?
37 days before. The cheapest time to buy a flight from Ottawa to St. Louis is approximately 37 days to departure
Cheap Ottawa to St. Louis (YOW to STL) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Ottawa to St. Louis
Best price found | C$ 534 |
|---|---|
Fastest flight time | 4h 30m |
Direct flights | None |
Airports in St. Louis | 1 airport |
How far is Ottawa to Lambert-St Louis by plane?
A flight from Ottawa to Lambert-St Louis will travel around 1411.6 km. 4h 37m is a normal flight duration for this route.
When did momondo last update prices for flights from Ottawa Airport to Lambert-St Louis Airport?
Prices for flights from Ottawa Airport to Lambert-St Louis Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Ottawa Airport to Lambert-St Louis Airport?
There is 1 operator available for flights from Ottawa Airport to Lambert-St Louis Airport as of May 2024.
How old do you have to be to fly from Ottawa Airport to Lambert-St Louis Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ottawa Airport to Lambert-St Louis Airport.
What documentation or ID do you need to fly to Lambert-St Louis Airport?
The travel and health documents you'll need for your trip to Lambert-St Louis Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Lambert-St Louis Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
Best airlines flying from Ottawa to St. Louis
Compare and see reviews for airlines that fly from Ottawa to St. Louis with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom C$ 625 | Free Cancellation | Rating 7.0 6,946 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Ottawa to St. Louis?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Ottawa to St. Louis for you.
Can I find flights from Ottawa to St. Louis with flexible booking policies on momondo?
All flight searches from Ottawa to St. Louis on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from Ottawa to St. Louis?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Ottawa to St. Louis.
I’m not ready to book a flight from Ottawa to St. Louis right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to St. Louis from Ottawa. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.