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?

As of December 2024, there are 2 operators available to choose from for flights from Ottawa Airport to Lambert-St Louis Airport.

How old do you have to be to fly from Ottawa Airport to Lambert-St Louis Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for 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.

$332 Cheap Flights from Ottawa to St. Louis in 2024/25

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Cheap round-trip flights

These are some of the best round-trip flight deals from Ottawa to St. Louis that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Ottawa to St. Louis.

Cheap last minute flights

Planning a quick getaway from Ottawa to St. Louis? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to St. Louis, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Ottawa to St. Louis

Find recent round-trip train or bus tickets from Ottawa to St. Louis.

All round-trip flight deals to St. Louis

The cheapest plane tickets to St. Louis found on KAYAK recently.

YOW-STL

878 mimulti-stop

STL-YOW

878 mimulti-stop

Multiple Airlines

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YOW-STL

878 mimulti-stop

Multiple Airlines

Find Deal

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 to St. Louis?

In general, September is the cheapest month to fly from Ottawa to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $572. The month of February is another great option to travel to St. Louis, with average flight prices from Ottawa averaging around $576.

What is the cheapest day to depart on your flight to St. Louis?

The cheapest day to depart on your flight to St. Louis is on a Wednesday when prices can be found for as low as $614. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around $667. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.

What is the cheapest time of day to depart on your flight to St. Louis?

Flying to St. Louis from Ottawa in the morning is the least expensive time of day to depart. momondo users have found prices as low as $662 when looking at flights departing in the morning. In the morning is when there is more demand to fly to St. Louis, so prices are often more expensive at around $662 per ticket.

When to book flights from Ottawa to St. Louis

Are you open to changing your travel dates? Check out the ideal times to fly from Ottawa to St. Louis according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

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

Direct flights	None

There are no direct flights from Ottawa to St. Louis. There are no popular flight routes from Ottawa to St. Louis.

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How far is Ottawa to Lambert-St Louis by plane?
The straight-line distance from Ottawa to Lambert-St Louis is 877.2 mi.
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?
As of December 2024, there are 2 operators available to choose from for flights from Ottawa Airport to Lambert-St Louis Airport.
How old do you have to be to fly from Ottawa Airport to Lambert-St Louis Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for 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.
What is the most popular airline from Ottawa to St. Louis?
Based on momondo bookings for flights between Ottawa and St. Louis, the leading airline is Air Canada, making up 69% of the total bookings. Other popular airlines include United Airlines with 31%.

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
Air Canada	PriceFrom $550	Free Cancellation	Rating 7.0 8,413 reviews		Search Air Canada flights
United Airlines	PriceFrom $575	Free Cancellation	Rating 7.4 9,028 reviews		Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Ottawa to St. Louis?

Finding the right flight to St. Louis from Ottawa is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to St. Louis quick and easy, saving you time and money.

Can I find flights from Ottawa to St. Louis with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to St. Louis from Ottawa with this policy.

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?

If you are simply researching potential flights to St. Louis, momondo offers a useful price alert feature which will track prices for flights to St. Louis from Ottawa and alert you when they change.