| 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 07/02/25 direct WN1440 02h 50min | Return 07/25/25 direct WN2746 02h 30min |  Southwest Airlines |  | ? | $336 | |
| 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 10/18/25 1 Stopover (FLL) NK0296, NK1040 13h 22min | Return 11/17/25 3 Stopovers (DTW, EWR, MYR) NK3897, NK2318, NK3021, NK0138 32h 34min | Spirit Airlines |  | $264 | ||
| Boston St. Louis | Outbound 10/09/25 1 Stopover (MCO) F93347, F91631 28h 59min | Return 11/01/25 1 Stopover (MCO) F92630, F93348 18h 11min |  Frontier Airlines | | $281 | ||
| Boston St. Louis | Outbound 09/23/25 1 Stopover (ORD) UA1414, UA2191 09h 09min | Return 09/30/25 1 Stopover (ORD) UA4597, UA1989 11h 15min |  United Airlines |  | ? | $281 | |
| Boston St. Louis | Outbound 09/23/25 direct AA3562 02h 59min | Return 09/30/25 1 Stopover (ORD) AA3764, AA3107 08h 13min |  American Airlines | | ? | $290 | |
| Boston St. Louis | Outbound 10/09/25 1 Stopover (MCO) F93347, F91631 28h 59min | Return 11/01/25 1 Stopover (MCO) F92630, F93348 18h 11min | Frontier Airlines | | $292 | ||
| Boston St. Louis | Outbound 09/23/25 1 Stopover (ORD) UA1414, UA2191 09h 09min | Return 09/30/25 1 Stopover (ORD) UA2144, UA1779 11h 24min | United Airlines |  | ? | $292 |
Stops
- Direct flight
Airline
- American Airlines
- Spirit Airlines
- United Airlines
- Southwest Airlines
- Frontier 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 $80
- Flight Boston - Los Angeles from $181
- Flight Boston - San Francisco from $203
- Flight Boston - Miami from $133
- Flight Boston - Chicago from $93
- Flight Boston - Orlando from $126
- Flight Boston - Fort Myers from $146
- Flight Boston - Washington-DC from $116
- Flight Boston - Dallas from $122
- Flight Boston - New York from $136
Alternative flights to St. Louis
- Flight Atlanta - St. Louis from $118
- Flight Tampa - St. Louis from $194
- Flight Los Angeles - St. Louis from $255
- Flight Denver - St. Louis from $119
- Flight Orlando - St. Louis from $147
- Flight Las Vegas - St. Louis from $189
- Flight Miami - St. Louis from $200
- Flight Fort Myers - St. Louis from $224
- Flight Chicago - St. Louis from $128
- Flight Dallas - St. Louis from $127
Flight destinations with a similar price
- Flight St. Louis - Hamburg from $747
- Flight St. Louis - Dusseldorf from $800
- Flight St. Louis - Frankfurt from $628
- Flight St. Louis - Berlin from $586
- Flight St. Louis - Munich from $608
- Flight St. Louis - Dublin from $530
- Flight St. Louis - Puerto Vallarta from $371
- Flight St. Louis - Amsterdam from $562
Flight destinations with a similar price
- Flight Boston - Fort Myers from $146
- Flight Boston - Minneapolis from $174
- Flight Boston - Washington DC from $159
- Flight Boston - New Orleans from $153
- Flight Boston - New York from $146
- Flight Boston - Kansas City from $169
- Flight Boston - Charlotte from $167
- Flight Boston - Houston - George Bush from $143
- Flight Boston - Houston - Metro from $143
- Flight Boston - West Palm Beach from $147