S$159 Cheap Flights from St. Louis to Boston

View S$159 flight on Sat, 10 May,2025Opens in a new window

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Cheap Flights from St. Louis to Boston (STL-BOS)

Prices were available within the past 7 days and start at S$159 for one-way flights and S$317 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Fri, 9 May - Fri, 16 May
STL
St. Louis
BOS
Boston
S$317 Return, found 3 days ago
S$317
Return
found 3 days ago
Select Delta flight, departing Fri, 9 May from St. Louis to Boston, returning Fri, 16 May, priced at S$317 found 3 days ago
United
Fri, 9 May - Fri, 16 May
STL
St. Louis
BOS
Boston
S$371 Return, found 3 days ago
S$371
Return
found 3 days ago
Select United flight, departing Fri, 9 May from St. Louis to Boston, returning Fri, 16 May, priced at S$371 found 3 days ago
Delta
Fri, 9 May - Fri, 16 May
STL
St. Louis
BOS
Boston
S$372 Return, found 3 days ago
S$372
Return
found 3 days ago
Select Delta flight, departing Fri, 9 May from St. Louis to Boston, returning Fri, 16 May, priced at S$372 found 3 days ago
American Airlines
Fri, 9 May - Fri, 16 May
STL
St. Louis
BOS
Boston
S$396 Return, found 3 days ago
S$396
Return
found 3 days ago
Select American Airlines flight, departing Fri, 9 May from St. Louis to Boston, returning Fri, 16 May, priced at S$396 found 3 days ago
United
Fri, 9 May - Fri, 16 May
STL
St. Louis
BOS
Boston
S$426 Return, found 3 days ago
S$426
Return
found 3 days ago
Select United flight, departing Fri, 9 May from St. Louis to Boston, returning Fri, 16 May, priced at S$426 found 3 days ago
United
Fri, 9 May - Fri, 16 May
STL
St. Louis
BOS
Boston
S$426 Return, found 3 days ago
S$426
Return
found 3 days ago
Select United flight, departing Fri, 9 May from St. Louis to Boston, returning Fri, 16 May, priced at S$426 found 3 days ago
American Airlines
Fri, 9 May - Fri, 16 May
STL
St. Louis
BOS
Boston
S$451 Return, found 3 days ago
S$451
Return
found 3 days ago
Select American Airlines flight, departing Fri, 9 May from St. Louis to Boston, returning Fri, 16 May, priced at S$451 found 3 days ago
Southern Airways Express
Fri, 9 May - Fri, 16 May
STL
St. Louis
BOS
Boston
S$452 Return, found 3 days ago
S$452
Return
found 3 days ago
Select Southern Airways Express flight, departing Fri, 9 May from St. Louis to Boston, returning Fri, 16 May, priced at S$452 found 3 days ago
Delta
Fri, 9 May - Fri, 16 May
STL
St. Louis
BOS
Boston
S$476 Return, found 3 days ago
S$476
Return
found 3 days ago
Select Delta flight, departing Fri, 9 May from St. Louis to Boston, returning Fri, 16 May, priced at S$476 found 3 days ago
Southern Airways Express
Fri, 9 May - Fri, 16 May
STL
St. Louis
BOS
Boston
S$479 Return, found 3 days ago
S$479
Return
found 3 days ago
Select Southern Airways Express flight, departing Fri, 9 May from St. Louis to Boston, returning Fri, 16 May, priced at S$479 found 3 days ago
St. Louis to Boston route information
Origin airport
Lambert-St. Louis Intl.
Destination airport
Logan Intl.
Return price
S$317
Distance
1669 km

Perfect flights from St. Louis to Boston

Your Journey from St. Louis to Boston

Start your unforgettable journey with Expedia. Our broad selection of flights from St. Louis to Boston caters to every travel need. Whether you're yearning for a romantic escape, a solo adventure, or a cultural immersion, we've got you covered.
 

Choosing Your Ideal Flight

With Expedia, you have access to a wide range of airlines, including Delta, United, American Airlines, Southern Airways Express. Our selection of flights from Lambert-St. Louis Intl. to Logan Intl. caters to every traveler's requirements, ensuring your journey aligns with your schedule. With options from 20 airlines, you're bound to find the perfect flight.
 

Maximizing Value with St. Louis to Boston Flights

Experience the joy of finding cheap flights from Lambert-St. Louis Intl. to Logan Intl. that fit your budget. Keep an eye out for our special deals and discounts, and check our flexible one-way fares from S$159 and roundtrip prices from S$317*.
 

Pre-Flight Essentials

Ensure a smooth journey from St. Louis to Boston with Expedia. From information about check-in times and in-flight amenities to guidance on baggage policies, we provide all the essentials to prepare you for your flight.
 

Experience the Vibrant Boston

Picture yourself stepping off the plane in Boston and immersing yourself in the unique atmosphere of . From local markets to cultural festivals, each city offers its distinct charm. Make the most of your trip by exploring local attractions and indulging in the local cuisine. With Expedia, explore all this and more, tailored to your budget.
 

Added Convenience on Your St. Louis to Boston Flight

Traveling with Expedia is more than just a flight. We offer details about in-flight amenities, baggage policies, and more to ensure a smooth and hassle-free journey. Choose from our variety of airlines and embark on a memorable journey from St. Louis to Boston.
 

Beyond the Flight – Exploring Boston

With Expedia, your adventure extends beyond the flight. Explore Boston at your own pace by renting a car or booking a hotel. Discover hidden gems off the beaten path and create unforgettable memories.
 

Book Your Flight from St. Louis to Boston with Confidence

Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support make your travel experience seamless and stress-free. Embark on your journey from St. Louis to Boston with confidence. Book your travel arrangements with Expedia today.
 
*Note: Prices may vary based on availability and are subject to change.

Frequently asked questions

How much is a flight from STL to BOS?
Round-trip flights from Lambert-St. Louis Intl. Airport (STL) to BOS start from S$317. This is based on fares listed within the last 7 days on Expedia for flights departing within the next year — book today so you don’t miss out. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from St. Louis Lambert International Airport to BOS?
Each airline has its own terms and conditions. If you decide to cancel your holiday, head to our Customer Service Portal.
How do I find cheap flights from Lambert-St. Louis Intl. Airport (STL) to BOS that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you’re searching for Lambert-St. Louis Intl. Airport (STL) to BOS flights, you’ll see a “no change fees” filter for you to select.
How far is the flight from Lambert-St. Louis Intl. Airport (STL) to BOS?
It’s around 1,700 kilometres between STL and BOS, so expect to be strapped into your seat for a while. Keep yourself occupied by packing things like crossword puzzles or a gripping book.
Which airlines fly direct from Lambert Field to BOS?
With 78 flights every month operating from Lambert-St. Louis Intl. Airport (STL) to Logan Intl. Airport, Southwest Airlines (WN) is a popular choice. Another carrier servicing this route is American Airlines (AA). You’ll have 56 flights every month to select from.
Are St. Louis Lambert International Airport to Logan Intl. Airport (BOS) flight tickets cheaper when they're purchased at the last minute?
Flight prices fluctuate, so it’s no sure thing. While last-minute deals between St. Louis Lambert International Airport and Logan Intl. Airport are possible, it also makes sense to keep a close eye on prices well before you fly. In fact, some air carriers publicize their prices up to a year prior to the departure date. Expedia is constantly updating the biggest airfare bargains around, so keep checking and be ready to book when fare prices drop.

Explore a world of travel with Expedia

*Available to Expedia members.