Cheap Flight Tickets from Boston (BOS) to St Louis (STL), Starting at $402

Good to Know: Cheapest and Fastest BOS - STL Flights

Useful information for finding best airline tickets from Logan International to Lambert St Louis International on your next trip.

Cheapest Round Trip Flight

$486

WN Southwest Airlines • 1 stop • 11h 45m

Jul 02 – Jul 05

The cheapest round trip flight from Boston to St Louis (BOS-STL-BOS) is currently $486

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Cheapest Direct Flight

$511

WN Southwest Airlines • nonstop • 5h 5m

Jul 02

The cheapest nonstop flight from Boston to St Louis (BOS-STL) is currently $511

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Fastest Flight

4h 10m

The fastest nonstop flight from Boston to St Louis (BOS-STL) takes 4h 10m

Latest Flight Deals from Boston (BOS) to St Louis (STL)

Compare and book low fare round-trip air tickets from Boston to St Louis. Ideal for travelers with confirmed return itineraries.

Jul 02 - Jul 05, Economy
WN
Boston → St Louis
11h 45m
4:45 PM - 10:50 PM • 1 stop
WN
Boston → St Louis
15h 5m
6:00 AM - 4:05 PM • 2 stops
$486
Southwest Airlines
Jul 02 - Jul 05, Economy
DL
Boston → St Louis
8h 33m
1:10 PM - 5:23 PM • 1 stop
DL
Boston → St Louis
7h 15m
6:30 AM - 12:05 PM • 1 stop
$600
Delta Airlines
Jul 02 - Jul 05, Economy
UA
Boston → St Louis
10h 36m
6:05 AM - 11:41 AM • 1 stop
UA
Boston → St Louis
10h 15m
5:59 PM - 1:14 AM • 1 stop
$732
United Airlines
Jul 02 - Jul 05, Economy
G4
Boston → St Louis
23h 29m
10:40 AM - 11:49 PM • 2 stops
F9
Boston → St Louis
60h 59m
7:10 PM - 9:09 AM • 2 stops
$747
Allegiant
Jul 02 - Jul 05, Economy
B6
Boston → St Louis
21h 54m
11:35 AM - 11:49 PM • 2 stops
F9
Boston → St Louis
60h 59m
7:10 PM - 9:09 AM • 2 stops
$791
JetBlue Airways
Jul 02 - Jul 05, Economy
PD
Boston → St Louis
23h 42m
8:10 PM - 9:32 AM • 2 stops
F9
Boston → St Louis
60h 59m
7:10 PM - 9:09 AM • 2 stops
$805
Porter Airline

Fly from Boston to St Louis with the Best Airfare Deals on FareLeaders

Looking for a cheap last-minute deal or the best round-trip flight from Boston to St Louis? Find the biggest savings on one-way and round-trip tickets right here.

FAQs on Boston to St Louis Flights

What are the airports in Boston?
BOS
What’s the most popular airline flying from BOS to STL?
The most popular airline flying from Boston to St Louis are
Can I fly from BOS to STL non-stop?
Yes, you can fly BOS to STL non-stop on
Which airlines fly nonstop between Boston and St Louis?
The non-stop flights between Boston and St Louis are .
What’s the earliest departure time from BOS to STL Airport?
The earliest flight leaves BOS at 5:30 am and lands in STL - Lambert St Louis International
What are the airports in St Louis?
STL
Can I make changes to my Boston to St Louis flight tickets or cancel them on FareLeaders.com?
No. We are an airfare comparison site. All the tickets are booked by the travel agent offering the flight deal and any changes or cancellations to be made are directly done directly by them or the airlines.
Can I cancel my flight tickets from BOS to STL?
Read the fare rules of the Boston to St Louis air tickets booked. Some airlines allow you to cancel the tickets within a stipulated time period with a cancellation fee.
Which airline alliances offer flights from Boston and St Louis?
operate flights between Boston and St Louis
How long does a flight from Boston to St Louis take?
It takes approximately 3 hour to fly non-stop from BOS to STL, which is 1046.69 miles by air.
Which airlines provide the cheapest flights from Boston (BOS) to St Louis (STL) ?
In the past couple of days, the cheapest tickets to STL from BOS were found on WN : USD 486
Do I need a passport to fly between BOS and STL?
No
What’s the latest departure time from BOS to STL ?
The last flight leaves BOS at 8:10 pm

Boston (BOS) to St Louis (STL): Airport Information

Origin Airport Logan International, Boston, US
Destination Airport Lambert St Louis International , St Louis, US
Distance 1047 miles

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