$57 Cheap flights from Logan Intl. to Lambert-St. Louis Intl. (BOS to STL)

Wander Wisely with exceptional service, 24/7 support

Feel at ease with free flight cancellations within 24 hours of booking

Change your flight without a fee on select flights

Find The Best Dates To Fly from Logan Intl. to Lambert-St. Louis Intl.

Amazing BOS to STL Flight Deals

The cheapest flights to Lambert-St. Louis Intl. found within the past 7 days were $128 round trip and $57 one way. Prices and availability subject to change. Additional terms may apply.

Mon, Jun 3 - Tue, Jun 4
BOS
Boston
STL
St. Louis
$128 Roundtrip, found 3 days ago
$128
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Mon, Jun 3 from Boston to St. Louis, returning Tue, Jun 4, priced at $128 found 3 days ago
Tue, Jun 11 - Tue, Jun 11
BOS
Boston
STL
St. Louis
$144 Roundtrip, found 4 days ago
$144
Roundtrip
found 4 days ago
Select Spirit Airlines flight, departing Tue, Jun 11 from Boston to St. Louis, returning Tue, Jun 11, priced at $144 found 4 days ago
Sat, Jun 1 - Tue, Jun 4
BOS
Boston
STL
St. Louis
$149 Roundtrip, found 3 days ago
$149
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Sat, Jun 1 from Boston to St. Louis, returning Tue, Jun 4, priced at $149 found 3 days ago
Mon, Jun 3 - Thu, Jun 20
BOS
Boston
STL
St. Louis
$153 Roundtrip, found 3 days ago
$153
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Mon, Jun 3 from Boston to St. Louis, returning Thu, Jun 20, priced at $153 found 3 days ago
Wed, Aug 7 - Mon, Aug 12
BOS
Boston
STL
St. Louis
$158 Roundtrip, found 4 days ago
$158
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Wed, Aug 7 from Boston to St. Louis, returning Mon, Aug 12, priced at $158 found 4 days ago
Tue, Jun 11 - Tue, Jun 18
BOS
Boston
STL
St. Louis
$160 Roundtrip, found 3 days ago
$160
Roundtrip
found 3 days ago
Select Spirit Airlines flight, departing Tue, Jun 11 from Boston to St. Louis, returning Tue, Jun 18, priced at $160 found 3 days ago
Mon, Sep 9 - Tue, Sep 17
BOS
Boston
STL
St. Louis
$160 Roundtrip, found 1 hour ago
$160
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Mon, Sep 9 from Boston to St. Louis, returning Tue, Sep 17, priced at $160 found 1 hour ago
Wed, Sep 11 - Fri, Sep 13
BOS
Boston
STL
St. Louis
$166 Roundtrip, found 18 hours ago
$166
Roundtrip
found 18 hours ago
Select Frontier Airlines flight, departing Wed, Sep 11 from Boston to St. Louis, returning Fri, Sep 13, priced at $166 found 18 hours ago
Tue, Jun 18 - Fri, Jun 21
BOS
Boston
STL
St. Louis
$167 Roundtrip, found 5 days ago
$167
Roundtrip
found 5 days ago
Select Spirit Airlines flight, departing Tue, Jun 18 from Boston to St. Louis, returning Fri, Jun 21, priced at $167 found 5 days ago
Sat, Jul 6 - Sat, Jul 20
BOS
Boston
STL
St. Louis
$170 Roundtrip, found 9 hours ago
$170
Roundtrip
found 9 hours ago
Select Frontier Airlines flight, departing Sat, Jul 6 from Boston to St. Louis, returning Sat, Jul 20, priced at $170 found 9 hours ago

Frequently asked questions

Can I catch a flight from Logan Intl. Airport to STL right now?
It’s wise to learn about any quarantine requirements and travel advice reports in effect in your destination city. Be sure to go to our Covid-19 Travel Advisor for up-to-date information on catching a flight to Lambert Field.
Are there direct flights from Logan Intl. Airport to St. Louis Lambert International Airport?
If you want to get going on your sightseeing adventures in St. Louis, look up Southwest Airlines. They offer nonstop services from Logan Intl. Airport to St. Louis Lambert International Airport.
If I am not able to travel due to COVID-19, can I change my booking to a later date?
For more info about changing your flight to Lambert-St. Louis Intl. Airport (STL), please visit our Customer Service Portal.
How long is the flight from Logan Intl. Airport to Lambert-St. Louis Intl. Airport (STL)?
If you’re traveling from Boston to St. Louis, you can expect the trip to take about 5 hours and 40 minutes. If this sounds like more time than you’d hoped, why not put it to good use? Read up on where you’re headed, do some last-minute organizing and take a decent nap before the adventure starts.
What is the flight distance from Logan Intl. Airport (BOS) to St. Louis Lambert International Airport?
The flight distance from BOS to Lambert Field is 1,050 mi. Make sure to bring a decent book or a few puzzles to make the journey more relaxing.
What airlines fly from Logan Intl. Airport to Lambert Field?
Want to fly nonstop from BOS to Lambert Field? Today is your lucky day. Southwest Airlines (WN) offers 60 flights per month and is the top choice for many well-traveled wanderers.
What airlines have practices regarding COVID-19 in place and use social distancing?
From the moment you enter the departure terminal to when you leave the arrivals terminal, if you’re flying with Southwest Airlines, American Airlines or Delta you can be sure that COVID-19 measures and social distancing rules have been adhered to. Many airlines have introduced capped capacity flights and keeping the middle seat empty.
What is the best day to buy a plane ticket?
This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.
What are the cheapest days to fly?
Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.
How far in advance can you book a flight?
Trying to figure out how early you should book your flight? It’s possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

 

Traveling From
Logan Intl.
Traveling To
Lambert-St. Louis Intl.
Shortest Flight Time
2 hours 50 mins
Earliest Departure Time
7:00AM EDT
Latest Departure Time
6:55PM EDT
Lowest Flight Price
$128

Route Info

Flight path for flights from Logan International Airport to Lambert-St. Louis International Airport


Origin:
BOS - Logan International Airport
Destination:
STL - Lambert-St. Louis International Airport
Distance:
1,049.00 miles


Airlines & Aircraft Used on BOS to STL Flight Routes


Airline Carrier
Aircraft
American Airlines
Airbus A319
American Airlines
Airbus A319
American Airlines
Boeing 737-300 pax
American Airlines
Embraer 190
Delta Air Lines
Boeing 737 all pax models
Jet Airways (India)
Boeing 737-900 pax
United Airlines
Aerospatiale/Alenia ATR 42-300 / 320

Discover our best flights from Boston BOS to St. Louis STL. 

With 20 airlines to choose from on Travelocity, you can easily find the best option for you. Use our filters to sort by price, compare airlines, and find the most convenient flight times. 

 

Find our best return flights from Boston BOS to St. Louis STL at the right price  

Airfares to St. Louis STL from Boston BOS currently cost between $128 and $170. It’s usually cheaper to book a round trip than two separate one-way flights. Prices and availability subject to change. Additional terms may apply. 

 

Book one-way flights from Boston BOS to St. Louis STL 

If you want to be flexible about when you return, or keep your travel options open ended, a one-way flight could be just the ticket! You’ll find one-way airfares from Boston BOS to St. Louis STL on Travelocity starting at $57. Prices and availability subject to change. Additional terms may apply. 

 

Get to St. Louis STL from Boston BOS quicker with direct flights. 

Get to St. Louis faster, without the hassle of changing planes and moving baggage, by booking a direct flight. Expect your direct flight to STL from BOS to take around 2 hour(s) 50 min(s).  

 

Find our cheapest airfares for flights from Boston BOS to St. Louis STL

Find cheap flight deals by using our search filters to sort results starting with the lowest price airfares to STL from BOS. Our Price Match Promise means if you find a lower rate on Travelocity.com or on another US-based website within 24 hours of booking, we’ll credit or refund the difference.  

 

Get our best airfare deals for your flight from Boston BOS to St. Louis STL today 

If you’re flexible about when you travel, June is usually the cheapest month to fly from Boston BOS to St. Louis STL. If you need to be more specific, search by date and arrival and departure times.Then, compare prices across different airlines, and sort results by lowest price first. 

 

Book flexible airline tickets for flights to St. Louis STL from Boston BOS 

Some airlines let you change your travel dates without charging a fee. Use our ‘no change fee’ filter to see which flights to STL from BOS have this option.  

 

Travel with confidence when you book flights to St. Louis STL from Boston BOS with Travelocity 

We’ve secured fantastic deals with all the main airline carriers and it’s easy to compare, choose, and book with Travelocity. With 24/7 customer service and our free 'App', we’ll always keep you moving. 

*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.