Cheap Flights from Boston (BOS) to St. Louis (SUS)

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Frequently asked questions

Is it cheaper to buy a plane ticket from Logan Intl. Airport (BOS) to St. Louis Airport last minute?
When it's time to book your flights, it pays to be prepared. While it's possible to pick up a deal on a Logan Intl. Airport to SUS flight at the last minute, prices usually don't get cheaper as the date of departure nears. Based on flight pricing and demand studies in 2022, we have found that the sweet spot to lock in a domestic flight is between 28 – 35 days ahead. For international travel it's three to four months.
What airports do you fly into for St. Louis from Boston?
With Spirit of St. Louis Airport (SUS), Lambert-St. Louis Intl. Airport (STL) and St. Louis Downtown Airport (CPS) to pick from, journeying from Boston to St. Louis is easy. The city's major hub, Spirit of St. Louis Airport (SUS), is around 40 kilometers west of the downtown area. Along with ticket costs, consider factors like the ease of getting from the airport and the distance to your hotel when deciding where to fly into. Get your St. Louis adventure off to a flying start by checking out Busch Stadium and Gateway Arch.
Can I change the date of my flight from Logan Intl. Airport (BOS) to SUS?
It's a breeze to make amendments to your Logan Intl. Airport (BOS) to St. Louis Airport trip yourself. Access your itinerary via the Expedia Trips portal and hit "change flight." Search for new flights and book the one that better suits your plans. You'll get an estimate of your flight change fee, if applicable. Alternatively, use our Customer Service portal to connect with our Virtual Agent and quickly get answers to your questions.

Travel information

Origin airport
Logan Intl.
Destination airport
Spirit of St. Louis
Distance
1695 km

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Boston to St. Louis Flights

Whether you’re looking for a grand adventure or just want to get away for a last-minute break, flights from Boston to St. Louis offer the perfect respite. Not only does exploring St. Louis 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 Boston to St. Louis 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 St. Louis are only a plane trip away. Book your travel arrangements with us today!

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

Boston to St. Louis Flights