| Outbound | Return | Airlines | Shop | Baggage | Price | ||
|---|---|---|---|---|---|---|---|
| Boston St. Louis | Outbound 02/13/26 1 Stopover (LGA) DL2426, DL4922 06h 55min | Return 02/26/26 1 Stopover (LGA) DL4981, DL5761 06h 23min |  Delta Air Lines |  | ? | $418 | |
| Best option Boston St. Louis | Outbound 04/03/26 direct AA3867 03h 13min | Return 04/16/26 direct AA3822 02h 43min |  American Airlines | | ? | $511 found yesterday | |
| Boston St. Louis | Outbound 02/13/26 3 Stopovers (DTW, BNA, JBR) NK1363, NK2203, 9X0459, 9X0454 13h 36min | Return 02/26/26 1 Stopover (FLL) NK2158, NK2304 11h 20min |   Spirit Airlines, Southern Airways Express |  | $493 | ||
| Boston St. Louis | Outbound 04/03/26 direct AA4531 03h 28min | Return 04/16/26 direct AA3822 02h 43min | American Airlines |  | ? | $525 found yesterday | |
| Boston St. Louis | Outbound 02/13/26 1 Stopover (EWR) UA0521, UA3468 06h 28min | Return 02/26/26 1 Stopover (EWR) UA3592, UA2603 05h 13min |  United Airlines | | ? | $527 | |
| Boston St. Louis | Outbound 02/13/26 1 Stopover (SEA) AS0537, AS0615 14h 56min | Return 02/26/26 1 Stopover (FLL) NK2158, NK1096 07h 23min |  Alaska Airlines |  | ? | $550 | |
| Boston St. Louis | Outbound 02/13/26 direct AA4500 03h 17min | Return 02/26/26 1 Stopover (ORD) AA1699, AA4790 09h 18min | American Airlines |  | ? | $592 | |
| Boston St. Louis | Outbound 04/03/26 direct AA3867 03h 13min | Return 04/16/26 direct AA4518 02h 43min | American Airlines |  | ? | $601 found yesterday | |
| Boston St. Louis | Outbound 02/13/26 direct AA3520 03h 13min | Return 02/26/26 1 Stopover (ORD) AA1699, AA3500 07h 54min | American Airlines | | ? | $611 | |
| Boston St. Louis | Outbound 04/03/26 direct AA4531 03h 28min | Return 04/16/26 direct AA3822 02h 43min | American Airlines | | ? | $1,121 found yesterday |
Stops
- Direct flight
Airline
- American Airlines
- Frontier Airlines
- United Airlines
- Alaska Airlines
- Delta Air Lines
Tips and tricks to help you find cheap flights from Boston to St. Louis
Favorite airline: American Airlines
Flight tickets on the route Boston – St. Louis are most frequently booked with American Airlines.
American Airlines
24 %
United Airlines
19 %
Delta
14 %
Stopover flights are the cheapest connection
Compared to flights with a stopover, direct flights are $168.00 more expensive on this route.
non stop flight
1 stop
2 stops
02h 58min
06h 46min
12h 25min
$557
$393
$389
Favourite connection: via Orlando
40 % of booked tickets on this route are for flights with a transfer in Orlando.
Route
bookings
1 stopover Orlando International Airport, FL
21h 28min, from $451
40 %
1 stopover New York - Newark Liberty International Airport, NJ
06h 46min, from $393
30 %
1 stopover Charlotte Douglas International Airport, NC
05h 41min, from $412
20 %
Important flight information
Flight information: Boston - St. Louis
| Roundtrip from | $417.89 |
|---|---|
| Flight duration | min. 03:15 / max. 09:55 |
| Return flight duration | min. 02:30/ max. 10:00 |
| Distance | 1682 km |
| Flights per week | 28 |
| Departure airport | Airport Boston Logan International Airport, MA (BOS) |
| Arrival airport | Airport St. Louis - Lambert International Airport (STL) |
| Destination country | Flights to United States |
Alternative routes to United States
- Flight Boston - New York from $180
- Flight Boston - Los Angeles from $345
- Flight Boston - San Francisco from $358
- Flight Boston - Miami from $427
- Flight Boston - Chicago from $245
- Flight Boston - Orlando from $289
- Flight Boston - Fort Myers from $387
- Flight Boston - Washington-DC from $207
- Flight Boston - Dallas from $348
- Flight Boston - New York from $180
Alternative flights to St. Louis
- Flight Atlanta - St. Louis from $216
- Flight Denver - St. Louis from $306
- Flight Dallas - St. Louis from $375
- Flight Chicago - St. Louis from $165
- Flight Chicago O'Hare - St. Louis from $165
Flight destinations with a similar price
- Flight St. Louis - Hamburg from $1,231
- Flight St. Louis - Frankfurt from $815
- Flight St. Louis - Berlin from $1,029
Flight destinations with a similar price
- Flight Boston - Miami from $427
- Flight Boston - Fort Myers from $387
- Flight Boston - Denver from $425
- Flight Boston - San Diego from $433
- Flight Boston - Phoenix - Sky Harbor from $457
- Flight Boston - Charleston from $382
- Flight Boston - Jacksonville, Florida from $437
- Flight Boston - Knoxville from $443
- Flight Boston - Amsterdam from $457
- Flight Boston - Rome-Fiumicino from $447