Flight Deals from Boston to St. Louis from $225
Top flight deals from leading airlines:
... and +100s more
Save up to 50% on select flights with Priceline
Save an average of $240 per person when bundling your flight and hotel together with Priceline
If a VIP member finds a better price elsewhere, we'll refund up to 200% of the difference
We’re always here for you - reach us 24 hours a day, 7 days a week
Airlines
- Air Canada$838
- American Airlines$461
- Delta Air Lines$481
- United Airlines$470
Cabin Class
- Economy$461
Layover Airports
- Chicago O Hare Airport$470
- Detroit Metropolitan Airport$481
- Philadelphia International Airport$461
- Toronto Island Airport$838
- Toronto Pearson Airport$838
Best Price. GUARANTEED.
Exclusively for Priceline Members
Tired of searching? Book now!
We'll refund the difference if you find a lower price.
06/27/26
06/27/26
06/30/26
06/30/26
06/27/26
06/27/26
06/30/26
06/30/26
06/27/26
06/27/26
06/30/26
06/30/26
06/27/26
06/27/26
06/30/26
07/01/26
07/12/26
07/12/26
07/19/26
07/20/26
Top Deals on flights from Boston to St. Louis
Boston, US (BOS) - St. Louis, US (STL)
Jun 30
Jun 30
as low as
$225
Boston, US (BOS) - St. Louis, US (STL)
Jun 30
Jun 30
as low as
$225
Boston, US (BOS) - St. Louis, US (STL)
Jul 19
Jul 19
as low as
$231
Boston, US (BOS) - St. Louis, US (STL)
Jun 27
Jun 27
as low as
$245
Boston, US (BOS) - St. Louis, US (STL)
Jul 14
Jul 14
as low as
$253
Boston, US (BOS) - St. Louis, US (STL)
Jul 14
Jul 14
as low as
$263
Boston, US (BOS) - St. Louis, US (STL)
Jun 30
Jun 30
as low as
$270
Boston, US (BOS) - St. Louis, US (STL)
Jun 17
Jun 17
as low as
$290
Boston, US (BOS) - St. Louis, US (STL)
Jul 15
Jul 15
as low as
$335
Boston, US (BOS) - St. Louis, US (STL)
Jun 27
Jun 27
as low as
$409
Boston, US (BOS) - St. Louis, US (STL)
Jun 27
Jun 27
as low as
$419
Boston, US (BOS) - St. Louis, US (STL)
Jun 22
Jun 22
as low as
$455
Good to Know
Essential information to help you plan your flight from Boston to St. Louis
Cheapest Flight
$225
The lowest price we found in the last two weeks, departing Jun 30 and returning Jun 30
1 stop ‧ 5h 2m ‧ economyFastest Flights
$409
The fastest flight that we found in the last two weeks, departing Jun 27 and returning Jun 27
1 stop ‧ 1h 55m ‧ economyCheapest Flight Round-trip
$461
Cheapest price found in the last 14 days, departing Jun 27 and returning Jun 30
1 stop ‧ 7h 6m ‧ economyCheapest Flight One-way
$225
Cheapest price found in the last 14 days, departing Jun 30
1 stop ‧ 5h 2m ‧ economyCheapest Layover airport
$225
The cheapest layover airport to St. Louis is currently $225
2 stops ‧ 5h 48m ‧ economyFlights to St. Louis
- Flights
- North America
- United States
- Missouri
- St. Louis