Cheap flights from Maryland to St. Louis from $66
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Maryland to St. Louis departing on 9/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from Maryland 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, August is the cheapest month to fly from Maryland to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $282. The month of May is another great option to travel to St. Louis, with average flight prices from Maryland averaging around $297.
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 $358. 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 Sunday because tickets tend to average around $405. 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 Maryland at noon is the least expensive time of day to depart. momondo users have found prices as low as $315 when looking at flights departing at noon. In the afternoon is when there is more demand to fly to St. Louis, so prices are often more expensive at around $385 per ticket.
What is the cheapest Maryland to Lambert-St Louis flight route?
Fly from Baltimore/Washington to Lambert-St Louis for the best Maryland - Lambert-St Louis flight prices
How far in advance should I book a flight to St. Louis?
You are more likely to see cheaper flights to St. Louis from Maryland when booking weeks ahead of your departure date. In general, you can expect to find flights to St. Louis for around $412 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to St. Louis from Maryland for as low as $303 on momondo.
What cabin class options are available on Maryland to Lambert-St Louis flights?
There are 1 cabin classes available to choose from on Maryland to Lambert-St Louis flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Maryland to Lambert-St Louis?
Spirit Airlines, United Airlines, and Frontier are the most popular carriers operating from Maryland to Lambert-St Louis
What airlines fly to St. Louis?
Southwest, American Airlines and Delta are the top three most popular airlines that fly to St. Louis from Maryland according to our data. Southwest is the first choice among our users, with 68% of people opting to fly with this airline when traveling to St. Louis. Keep in mind that there are 4 different airlines that fly to St. Louis on a routine basis, so you have a few additional options to choose from.
How many flights depart from Maryland to St. Louis on average per day?
As of June 2025, there are 24 flights per day flying from Maryland to St. Louis. The most common time of day flights depart is 10:00AM, with 44% of flights taking off at noon.
How many flights depart from Maryland to St. Louis on average per week?
As of June 2025, there are 172 flights per week flying from Maryland to St. Louis. The most common day of the week flights depart is Mon, with 18% of flights taking off on this day.
Cheap Maryland to St. Louis flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Maryland to St. Louis
When did momondo last update prices for flights from Maryland to Lambert-St Louis Airport?
Prices for flights from Maryland to Lambert-St Louis Airport are updated daily.
How many operators does momondo search for flights from Maryland to Lambert-St Louis Airport?
As of June 2025, there are 5 operators available to choose from for flights from Maryland to Lambert-St Louis Airport.
How old do you have to be to fly from Maryland to Lambert-St Louis Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Maryland to Lambert-St Louis Airport.
What documentation or ID do you need to fly to Lambert-St Louis Airport?
The travel and health documents required for your trip to Lambert-St Louis Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Lambert-St Louis Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Maryland to St. Louis?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Maryland to St. Louis is Boeing 737 MAX 8 (22.78% of total bookings). The next most popular plane models are Boeing 737-700 Passenger/BBJ1 (winglets) (21.55%), Boeing 737-800 Passenger/BBJ2 (winglets) (20.07%), and Canadair (Bombardier) Regional Jet CRJ-550 (11.21%).
Best airlines flying from Maryland to St. Louis
Compare and see reviews for airlines that fly from Maryland to St. Louis with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $108 | Free Cancellation | Rating 5.9 3,301 reviews | |||
| PriceFrom $166 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $169 | Free Cancellation | Rating 8.0 7,964 reviews | |||
| PriceFrom $198 | Free Cancellation | Rating 8.0 4,280 reviews |
Traveling to a place near St. Louis?
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Why should I use momondo to find a flight deal from Maryland to St. Louis?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Maryland to St. Louis. Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from Maryland to St. Louis with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for Maryland to St. Louis flights to just show those with flexible booking policies.
How can momondo help me find flights from Maryland 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 Maryland to St. Louis.
I’m not ready to book a flight from Maryland to St. Louis right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Maryland to St. Louis flights. All you need is a valid email address and we will do the rest; it is that quick and easy.