| Outbound | Return | Airlines | Shop | Baggage | Price | ||
|---|---|---|---|---|---|---|---|
| St. Louis Boston | Outbound 09/04/25 1 Stopover (DTW) NK3897, NK2329 13h 56min | Return 09/28/25 1 Stopover (DTW) NK2328, NK3896 18h 54min |  Spirit Airlines |  | $251 | ||
| Best option St. Louis Boston | Outbound 09/19/25 direct AA3563 02h 44min | Return 09/29/25 direct AA3381 03h 04min |  American Airlines |  | ? | $402 | |
| St. Louis Boston | Outbound 09/04/25 1 Stopover (ORD) UA1156, UA1779 06h 15min | Return 09/28/25 1 Stopover (EWR) UA1833, UA3630 05h 38min |  United Airlines |  | ? | $312 | |
| St. Louis Boston | Outbound 09/04/25 1 Stopover (ORD) UA4183, UA2022 07h 33min | Return 09/28/25 1 Stopover (EWR) UA1833, UA3630 05h 38min | United Airlines |  | ? | $329 | |
| St. Louis Boston | Outbound 09/04/25 1 Stopover (ORD) AA2444, AA1479 08h 06min | Return 09/28/25 1 Stopover (PHL) AA2700, AA3049 06h 37min | American Airlines | | ? | $347 | |
| St. Louis Boston | Outbound 07/25/25 direct AA3562 02h 42min | Return 08/17/25 direct AA3562 03h 06min | American Airlines | | ? | $432 | |
| St. Louis Boston | Outbound 07/25/25 direct AA3562 02h 42min | Return 08/17/25 direct AA3381 03h 14min | American Airlines | | ? | $436 | |
| St. Louis Boston | Outbound 07/25/25 direct AA3563 02h 43min | Return 08/17/25 direct AA3381 03h 14min | American Airlines | | ? | $463 | |
| St. Louis Boston | Outbound 09/04/25 direct AA3562 02h 44min | Return 09/28/25 direct AA3381 03h 04min | American Airlines |  | ? | $465 | |
| St. Louis Boston | Outbound 09/04/25 1 Stopover (SEA) AS0291, AS0536 12h 30min | Return 09/28/25 1 Stopover (SEA) AS0459, AS0291 11h 14min |  Alaska Airlines |  | ? | $630 |
Stops
- Direct flight
Airline
- American Airlines
- United Airlines
- Spirit Airlines
- Alaska Airlines
Tips and tricks to help you find cheap flights from St. Louis to Boston
Favorite airline: Spirit Airlines
64 % of bookings on this flight route are made with Spirit Airlines, American Airlines and Delta.
Spirit Airlines
27 %
American Airlines
20 %
Delta
17 %
Direct flights are more expensive
Direct flights on this route are $285.00 more expensive on average than flights with a stopover.
non stop flight
1 stop
2 stops
02h 40min
05h 10min
22h 05min
$525
$240
$379
Favourite connection: via Orlando
When booking flights from St. Louis to Boston 48 % of travelers prefer to fly via Orlando.
Route
bookings
1 stopover Orlando International Airport, FL
10h 30min, from $252
48 %
1 stopover Hartsfield-Jackson Atlanta International Airport, GA
05h 49min, from $249
24 %
1 stopover New York - Newark Liberty International Airport, NJ
05h 10min, from $240
14 %
Important flight information
Flight information: St. Louis - Boston
| Roundtrip from | $250.17 |
|---|---|
| Flight duration | min. 02:30 / max. 10:00 |
| Return flight duration | min. 03:15/ max. 09:55 |
| Distance | 1682 km |
| Flights per week | 29 |
| Departure airport | Airport St. Louis - Lambert International Airport (STL) |
| Arrival airport | Airport Boston Logan International Airport, MA (BOS) |
| Destination country | Flights to United States |
Alternative routes to United States
- Flight St. Louis - New York from $183
- Flight St. Louis - Los Angeles from $288
- Flight St. Louis - Las Vegas from $267
- Flight St. Louis - Tampa from $194
- Flight St. Louis - San Francisco from $262
- Flight St. Louis - Orlando from $165
- Flight St. Louis - Fort Myers from $235
- Flight St. Louis - Chicago O'Hare from $182
- Flight St. Louis - Seattle-Tacoma from $235
- Flight St. Louis - Phoenix - Sky Harbor from $255
Alternative flights to Boston
- Flight New York - Boston from $111
- Flight Miami - Boston from $140
- Flight New York - Boston from $164
- Flight Chicago - Boston from $120
- Flight Tampa - Boston from $154
- Flight Washington-DC - Boston from $116
- Flight Orlando - Boston from $136
- Flight Los Angeles - Boston from $172
- Flight Buffalo - Boston from $155
- Flight San Francisco - Boston from $244
Flight destinations with a similar price
- Flight Boston - Aruba from $353
- Flight Boston - Bermuda from $287
- Flight Boston - Cancun from $292
- Flight Boston - Dublin from $341
- Flight Boston - Frankfurt from $488
- Flight Boston - London Heathrow from $456
- Flight Boston - Mexico City from $396
- Flight Boston - Santo Domingo from $347
- Flight Boston - San Jose, Costa Rica from $275
Flight destinations with a similar price
- Flight St. Louis - Las Vegas from $267
- Flight St. Louis - San Francisco from $262
- Flight St. Louis - Fort Myers from $235
- Flight St. Louis - Seattle-Tacoma from $235
- Flight St. Louis - Phoenix - Sky Harbor from $255
- Flight St. Louis - New York from $254
- Flight St. Louis - San Diego from $273
- Flight St. Louis - Jacksonville, Florida from $245