Cheap Flights from St. Louis (STL) to Boston (BOS) from HK$1,241~

View HK$1,241 flight on Sat, 17 Jan 2026Opens in a new window

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Boston

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

Prices were available within the past 7 days and start at HK$1,241 for one-way flights and HK$2,471 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, 17 Jan - Tue, 20 Jan
STL
St. Louis
BOS
Boston
HK$2,471 Return, found 2 days ago
HK$2,471
Return
found 2 days ago
Select Delta flight, departing Sat, 17 Jan from St. Louis to Boston, returning Tue, 20 Jan, priced at HK$2,471 found 2 days ago
Delta
Sun, 18 Jan - Sat, 24 Jan
STL
St. Louis
BOS
Boston
HK$2,686 Return, found 2 days ago
HK$2,686
Return
found 2 days ago
Select Delta flight, departing Sun, 18 Jan from St. Louis to Boston, returning Sat, 24 Jan, priced at HK$2,686 found 2 days ago
Delta
Sat, 17 Jan - Tue, 20 Jan
STL
St. Louis
BOS
Boston
HK$2,717 Return, found 2 days ago
HK$2,717
Return
found 2 days ago
Select Delta flight, departing Sat, 17 Jan from St. Louis to Boston, returning Tue, 20 Jan, priced at HK$2,717 found 2 days ago
American Airlines
Sat, 17 Jan - Tue, 20 Jan
STL
St. Louis
BOS
Boston
HK$2,794 Return, found 2 days ago
HK$2,794
Return
found 2 days ago
Select American Airlines flight, departing Sat, 17 Jan from St. Louis to Boston, returning Tue, 20 Jan, priced at HK$2,794 found 2 days ago
Delta
Sun, 18 Jan - Mon, 26 Jan
STL
St. Louis
BOS
Boston
HK$2,858 Return, found 2 days ago
HK$2,858
Return
found 2 days ago
Select Delta flight, departing Sun, 18 Jan from St. Louis to Boston, returning Mon, 26 Jan, priced at HK$2,858 found 2 days ago
American Airlines
Sat, 17 Jan - Tue, 20 Jan
STL
St. Louis
BOS
Boston
HK$2,941 Return, found 2 days ago
HK$2,941
Return
found 2 days ago
Select American Airlines flight, departing Sat, 17 Jan from St. Louis to Boston, returning Tue, 20 Jan, priced at HK$2,941 found 2 days ago
American Airlines
Sat, 17 Jan - Tue, 20 Jan
STL
St. Louis
BOS
Boston
HK$3,018 Return, found 2 days ago
HK$3,018
Return
found 2 days ago
Select American Airlines flight, departing Sat, 17 Jan from St. Louis to Boston, returning Tue, 20 Jan, priced at HK$3,018 found 2 days ago
Delta
Sat, 17 Jan - Tue, 20 Jan
STL
St. Louis
BOS
Boston
HK$3,029 Return, found 2 days ago
HK$3,029
Return
found 2 days ago
Select Delta flight, departing Sat, 17 Jan from St. Louis to Boston, returning Tue, 20 Jan, priced at HK$3,029 found 2 days ago
United
Sat, 17 Jan - Tue, 20 Jan
STL
St. Louis
BOS
Boston
HK$3,095 Return, found 2 days ago
HK$3,095
Return
found 2 days ago
Select United flight, departing Sat, 17 Jan from St. Louis to Boston, returning Tue, 20 Jan, priced at HK$3,095 found 2 days ago
Delta
Sat, 17 Jan - Tue, 20 Jan
STL
St. Louis
BOS
Boston
HK$3,106 Return, found 2 days ago
HK$3,106
Return
found 2 days ago
Select Delta flight, departing Sat, 17 Jan from St. Louis to Boston, returning Tue, 20 Jan, priced at HK$3,106 found 2 days ago

Find the cheapest month to fly from St. Louis (STL) to Boston (BOS)

February is typically the cheapest month to fly

From HK$1,076 - HK$3,909 per traveller.

Alternative airports near Boston

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Logan Intl. BOS. Cheapest and Closest option available. Average driving time to city centre is 7 minutes. Flights from HK$2,471
BOS
Logan Intl.
CheapestClosest
Average driving time to city centre7 min
Flights from HK$2,471
St. Louis to Boston route information
Origin airport
Lambert-St. Louis Intl.
Destination airport
Logan Intl.
Return price
HK$2,471
Distance
1669 km
Average flight time
3 hours 34 mins

Flights from St. Louis to Boston

Book cheap flights from St. Louis (STL) to Boston (BOS) on Expedia.com.hk. Find the best flight deals to destinations around the world for your next leisure or business travel on Expedia.com.hk.

Search for flights from St. Louis (STL) to Boston (BOS) to find great flight deals suitable to your travel date and time. Expedia.com.hk flight booking search engine is simple to use and looking for cheap flights is as easy as a click of a mouse or on your mobile devices.

Be assured that you’re seeing the best price guaranteed! Our friendly customer service representatives are here to serve you 24 hours day to provide assistance and answer any questions that you may have about booking your St. Louis (STL) to Boston (BOS) trip. Call us at 3077-4857 (direct number - 24 hours day for English).

Save more when combine your Boston flight with a hotel for a package deal! Discover additional savings by booking in advance. Now you can find activities in Boston and things to do in Boston for your perfect vacation with Expedia Thing to Do.

If you would like to book flights to Boston more flexibly, many prefer to purchase one-way tickets with options to take different airlines. A one way ticket to Boston is HK$1,241 now!

 

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 HK$2,471. 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 vacation, 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 kilometers 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.

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