
Popular airlines from Boston to St. Louis, MO (STL-Lambert-St. Louis Intl.)
- American Airlines
American Airlines
- Delta
Delta
- Southwest Airlines
Southwest Airlines
- United
United
- Frontier Airlines
Frontier Airlines
- Alaska Airlines
Alaska Airlines
- Be in the knowGet alerts if flight prices drop or rise*
- Book smarterSave up to 15% on select hotels after you book a flight*
Cheap flights from Boston to St. Louis (BOS-STL)
Prices were available within the past 7 days and start at €127 for one-way flights and €262 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, 17 Jan - Sun, 18 Jan
BOS
Boston
STL
St. Louis
€262 Return, found 1 day ago
€262
Return
found 1 day ago

Sat, 17 Jan - Sun, 18 Jan
BOS
Boston
STL
St. Louis
€263 Return, found 1 day ago
€263
Return
found 1 day ago

Sat, 17 Jan - Sun, 18 Jan
BOS
Boston
STL
St. Louis
€270 Return, found 1 day ago
€270
Return
found 1 day ago

Sat, 17 Jan - Sun, 18 Jan
BOS
Boston
STL
St. Louis
€271 Return, found 1 day ago
€271
Return
found 1 day ago

Sat, 17 Jan - Sun, 18 Jan
BOS
Boston
STL
St. Louis
€285 Return, found 1 day ago
€285
Return
found 1 day ago

Sat, 17 Jan - Sun, 18 Jan
BOS
Boston
STL
St. Louis
€288 Return, found 1 day ago
€288
Return
found 1 day ago

Sat, 17 Jan - Sun, 18 Jan
BOS
Boston
STL
St. Louis
€291 Return, found 1 day ago
€291
Return
found 1 day ago

Sat, 17 Jan - Sun, 18 Jan
BOS
Boston
STL
St. Louis
€296 Return, found 1 day ago
€296
Return
found 1 day ago

Sat, 17 Jan - Sun, 18 Jan
BOS
Boston
STL
St. Louis
€302 Return, found 1 day ago
€302
Return
found 1 day ago

Sat, 17 Jan - Sun, 18 Jan
BOS
Boston
STL
St. Louis
€336 Return, found 1 day ago
€336
Return
found 1 day ago
Find the cheapest month to fly from Boston (BOS) to St. Louis (STL)
February is typically the cheapest month to fly
From €120 - €307 per traveller.
Origin airport | Logan Intl. |
|---|---|
Destination airport | Lambert-St. Louis Intl. |
Airlines serving | American Airlines, Delta, United |
Return price | €261 |
Distance | 1669 km |
Average flight time | 2 hours 26 mins |
Perfect flights from Boston to St. Louis
Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from Boston to St. Louis. Whether you're aching for a romantic escape with your partner, craving an adventurous solo expedition, or yearning to immerse yourself in the local history and culture, we've got you covered.
Picture yourself strolling through the streets of , surrounded by breathtaking architecture and absorbing the vibrant atmosphere of this captivating city. Indulge in the mouth-watering local specialties, from tantalizing street food to exquisite fine dining. With Expedia, you can experience all of this and more, without sacrificing your budget.
Our flexible Logan Intl. to Lambert-St. Louis Intl. ticket options cater to your travel preferences, with incredible one-way fares from €127 and roundtrip prices from €262. Whether you're planning a short city break or a longer adventure, our dynamic pricing ensures that you find the best deals for your journey.
But the magic doesn't stop there. Expedia offers a range of partner services to enhance your trip. Rent a car at Lambert-St. Louis Intl. and explore and its surrounding areas at your own pace. Discover hidden gems off the beaten path, and create unforgettable memories. We also provide a handpicked selection of accommodations, from charming bed and breakfasts to luxury hotels, ensuring that you have a comfortable and memorable stay.
Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support are designed to make your travel experience seamless and stress-free. So, why wait? Book your to travel arrangements today and embark on the journey of a lifetime in St. Louis.
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- Calvary Cemetery
- Visit Castle Point
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- Citygarden
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- Saint Louis Galleria Mall
- Spanish Lake Holidays
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- Visit Edmundson
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- Tower Grove Park
- Woodbine Center Shopping Center
- World Chess Hall of Fame
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