| Outbound | Return | Airlines | Shop | Baggage | Price | ||
|---|---|---|---|---|---|---|---|
| Boston St. Louis | Outbound 08/14/25 1 Stopover (DTW) NK2328, NK3896 18h 54min | Return 09/11/25 1 Stopover (DTW) NK3897, NK2329 13h 56min |  Spirit Airlines |  | $158 | ||
| Best option Boston St. Louis | Outbound 06/07/25 direct WN2717 03h 00min | Return 06/23/25 direct WN2746 02h 30min |  Southwest Airlines |  | ? | $398 | |
| Boston St. Louis | Outbound 09/19/25 3 Stopovers (FLL, LGA, DTW) NK2887, NK3387, NK3392, NK3896 39h 26min | Return 09/29/25 1 Stopover (DTW) NK3897, NK2329 13h 56min | Spirit Airlines | | $254 | ||
| Boston St. Louis | Outbound 08/14/25 1 Stopover (ATL) DL0695, DL3162 07h 24min | Return 09/11/25 1 Stopover (LGA) DL4981, DL5758 07h 23min |  Delta Air Lines | | ? | $259 | |
| Boston St. Louis | Outbound 09/19/25 1 Stopover (ORD) UA0449, UA3654 07h 33min | Return 09/29/25 1 Stopover (ORD) UA1761, UA1779 08h 30min |  United Airlines |  | ? | $326 | |
| Boston St. Louis | Outbound 09/19/25 1 Stopover (EWR) UA0521, UA3460 06h 14min | Return 09/29/25 1 Stopover (ORD) UA1156, UA2104 15h 05min | United Airlines |  | ? | $341 | |
| Boston St. Louis | Outbound 06/08/25 direct WN2307 02h 55min | Return 06/29/25 1 Stopover (DFW) F94741, F93602 13h 17min | Southwest Airlines | | ? | $363 | |
| Boston St. Louis | Outbound 06/18/25 1 Stopover (DCA) AA2134, AA3186 09h 59min | Return 07/15/25 1 Stopover (DCA) AA5629, AA3207 07h 42min |  American Airlines | | ? | $380 | |
| Boston St. Louis | Outbound 08/28/25 2 Stopovers (DCA, DTW) AA2159, DL1558, DL1537 08h 10min | Return 09/19/25 1 Stopover (ATL) DL1485, DL0865 06h 20min | American Airlines, Delta Air Lines | | ? | $384 | |
| Boston St. Louis | Outbound 09/19/25 direct AA3381 03h 04min | Return 09/29/25 direct AA3562 02h 44min | American Airlines | | ? | $404 |
Stops
- Direct flight
Airline
- American Airlines
- United Airlines
- Spirit Airlines
- Southwest Airlines
- Alaska Airlines
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 | $157.76 |
|---|---|
| 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 $113
- Flight Boston - Los Angeles from $181
- Flight Boston - San Francisco from $226
- Flight Boston - Miami from $133
- Flight Boston - Chicago from $111
- Flight Boston - Orlando from $135
- Flight Boston - Fort Myers from $182
- Flight Boston - Washington-DC from $116
- Flight Boston - Dallas from $158
- Flight Boston - New York from $136
Alternative flights to St. Louis
- Flight Atlanta - St. Louis from $118
- Flight Los Angeles - St. Louis from $323
- Flight Tampa - St. Louis from $294
- Flight Denver - St. Louis from $185
- Flight Orlando - St. Louis from $147
- Flight Las Vegas - St. Louis from $258
- Flight Miami - St. Louis from $200
- Flight Fort Myers - St. Louis from $291
- Flight Dallas - St. Louis from $127
- Flight Chicago - St. Louis from $166
Flight destinations with a similar price
- Flight St. Louis - Hamburg from $809
- Flight St. Louis - Dusseldorf from $846
- Flight St. Louis - Frankfurt from $854
- Flight St. Louis - Berlin from $721
- Flight St. Louis - Munich from $766
- Flight St. Louis - Dublin from $681
- Flight St. Louis - Puerto Vallarta from $435
- Flight St. Louis - Amsterdam from $744
Flight destinations with a similar price
- Flight Boston - Dallas from $158
- Flight Boston - Minneapolis from $174
- Flight Boston - Buffalo from $154
- Flight Boston - New Orleans from $153
- Flight Boston - Philadelphia from $148
- Flight Boston - New York from $164
- Flight Boston - Kansas City from $171
- Flight Boston - Charlotte from $172
- Flight Boston - Houston - George Bush from $143
- Flight Boston - Houston - Metro from $143