A city skyline with prominent buildings like Transamerica and Bank of America, a marina with boats, and a sunset sky.

Cheap Flights from St. Louis (STL) to Baltimore (MTN)

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Frequently asked questions

Is it cheaper to buy a plane ticket from Lambert Field to Martin State Airport last minute?
Being the spontaneous type is a rewarding way to travel the world, but it isn't necessarily the wisest way to land a bargain fare. It's better to book your STL to Martin State Airport (MTN) journey well in advance instead of leaving it till the last minute. Based on flight pricing and demand studies in 2022, we have found that the best time to book domestic flights is between 28 – 35 days ahead of the departure date, and international flights three to four months in advance. Save all that spontaneity for when you're discovering Martin State Airport (MTN)!
What airports do you fly into for Middle River from St. Louis?
Martin State Airport (MTN), Baltimore Washington Intl. Thurgood Marshall Airport (BWI) and Ronald Reagan Washington National Airport (DCA) are your options when connecting from St. Louis to Middle River. Approximately 2 kilometers east of the heart of Middle River, Martin State Airport (MTN) is the city's principal hub. Keep in mind things such as flight schedules and the distance to your hotel before deciding where you fly into. White Marsh Mall and Gunpowder Falls State Park are a couple of awesome attractions to add to your must-see list when you reach your destination.
Can I change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to MTN?
It's a piece of cake to make changes to your Lambert-St. Louis Intl. Airport (STL) to MTN trip yourself. Just go to the Expedia Trips portal and choose "change flight." Look for new flights and lock in the one that fits your plans. You'll see an estimate of applicable flight change costs. Alternatively, visit our Customer Service portal to chat to our Virtual Agent and get answers to your questions.

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Martin State
Distance
1197 km

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St. Louis to Baltimore Flights

Whether you’re looking for a grand adventure or just want to get away for a last-minute break, flights from St. Louis to Baltimore offer the perfect respite. Not only does exploring Baltimore provide the chance to make some magical memories, dip into delectable dishes, and tour the local landmarks, but the cheap airfare means you won’t bust your budget. So no matter whether your ideal itinerary involves flying one way, non-stop, or round trip, you’re bound to find flights that match your schedule on Expedia, and at prices that won’t shock your wallet.

Bagging a cheap flight from St. Louis to Baltimore may mean more dollars to spend on for one-of-a-kind souvenirs when you arrive, but it doesn’t mean you have to skimp on your travel experience, as Expedia offers a sizzling selection of cheap airlines that’ll put you in your happy place on their planes, whether that’s getting lost in a hair-raising airport thriller, dreaming on the passing landscape over a glass of bubbly, or jotting down your vacation bucket list at 38,000 feet. There’s also bound to be plenty of opportunities to snap a few photos of the high life that will make your friends green with envy. After all, enjoying the journey is part of the fun.

With so many affordable flights and so many wonderful adventures awaiting you, there’s no reason to put off booking a fantastic flight from to today. So don’t leave it to the last minute to make your dream trip a reality: pack your bags with your go-to travel accessories, put together your list of must-see attractions and can’t-miss activities, and get ready to broaden your horizons – with Expedia, the wonders of Baltimore are only a plane trip away. Book your travel arrangements with us today!

If you would like to book flights to Baltimore more flexibly many prefer to purchase one-way tickets with options to take different airlines. A one way ticket to Baltimore is now!

St. Louis to Baltimore Flights