Airlinecoop.org

Cheap flights from St Louis to Boston

34 nonstop flights a week, 5 of them today. Operated by 3 airlines, about 2h 35m in the air, 1,036 mi (1,667 km). Tickets from $165.

Flights from St Louis to Boston

Pick a departure date to see flights and seller prices

We search agencies and airlines for your day: nonstop and connecting flights, baggage, departure and arrival times.

Filters

Best fares from St Louis to Boston

Lowest one-way prices found by recent searches for the next 120 days; press a card to search that date

Cheapest one-way $165 16 November 2026, nonstop Cheapest nonstop $165 16 November 2026, American Airlines Cheapest in the next 7 days $165 16 November, Mon Cheapest month November 2026 tickets from $165

St Louis to Boston at a glance

flight time, from 2h 25m to 5h 7m
2h 35m
straight-line distance
1,036 mi (1,667 km)
flights a week
34
flights today
5
first and last departure
06:00 - 18:21
lowest price, nonstop, 16 November
$165
airlines
3

St Louis to Boston flight schedule

34 flights a week, 5 today, 67 seasonal or one-off. Departure and arrival times are local.

FlightDepartsArrivesDurationDaysAircraft
WN 570
Southwest Airlines
06:00 Lambert-St. Louis International, terminal 2
09:30 Logan International, terminal B
2h 30m
Mon, Thu, Fri, Sun
Boeing 737
WN 570
Southwest Airlines
08:10 Lambert-St. Louis International, terminal 2
11:40 Logan International, terminal B
2h 30m
Sat
Boeing 737-800
AA 3444
American Airlines
09:50 Lambert-St. Louis International, terminal 1
13:26 Logan International, terminal B
2h 36m
Mon, Tue, Wed, Thu, Fri, Sun
Embraer EMB 175
AA 3444
American Airlines
09:56 Lambert-St. Louis International, terminal 1
13:33 Logan International, terminal B
2h 37m
Mon, Thu, Fri, Sun
Embraer EMB 175
WN 4918
Southwest Airlines
10:15 Lambert-St. Louis International, terminal 2
13:45 Logan International, terminal B
2h 30m
Mon, Tue, Wed, Thu, Fri, Sun
Boeing 737
WN 4918
Southwest Airlines
10:50 Lambert-St. Louis International, terminal 2
14:20 Logan International, terminal B
2h 30m
Sat
Boeing 737
AA 4801
American Airlines
13:10 Lambert-St. Louis International, terminal 1
16:49 Logan International, terminal B
2h 39m
Sat
Embraer EMB 175
WN 4918
Southwest Airlines
13:15 Lambert-St. Louis International, terminal 2
16:40 Logan International, terminal B
2h 25m
Sat
WN 3667
Southwest Airlines
13:20 Lambert-St. Louis International, terminal 2
16:50 Logan International, terminal B
2h 30m
Mon, Tue, Wed, Thu
Boeing 737
WN 4431
Southwest Airlines
18:10 Lambert-St. Louis International, terminal 2
21:45 Logan International, terminal B
2h 35m
Mon, Tue, Wed, Thu
Boeing 737
AA 4678
American Airlines
18:20 Lambert-St. Louis International, terminal 1
21:58 Logan International, terminal B
2h 38m
Daily
Embraer EMB 175
AA 4678
American Airlines
18:21 Lambert-St. Louis International, terminal 1
21:57 Logan International, terminal B
2h 36m
Mon, Thu, Fri, Sat, Sun
Embraer EMB 175

Seasonal and one-off flights

Not operating in the next two weeks. The first of them is on 24 November.

FlightDepartsArrivesDurationDaysAircraft
WN 570
Southwest Airlines
05:00 Lambert-St. Louis International, terminal 2
08:30 Logan International, terminal B
2h 30m
Seasonal
WN 570
Southwest Airlines
09:40 Lambert-St. Louis International, terminal 2
13:05 Logan International, terminal B
2h 25m
Seasonal
Boeing 737
WN 4918
Southwest Airlines
13:05 Lambert-St. Louis International, terminal 2
16:30 Logan International, terminal B
2h 25m
Seasonal
Boeing 737
WN 3349
Southwest Airlines
09:55 Lambert-St. Louis International, terminal 2
13:25 Logan International, terminal B
2h 30m
Seasonal
Boeing 737
WN 3318
Southwest Airlines
14:05 Lambert-St. Louis International, terminal 2
17:30 Logan International, terminal B
2h 25m
Seasonal
WN 3660
Southwest Airlines
16:25 Lambert-St. Louis International, terminal 2
19:50 Logan International, terminal B
2h 25m
Seasonal
Boeing 737
AA 3444
American Airlines
09:59 Lambert-St. Louis International, terminal 1
13:36 Logan International, terminal B
2h 37m
Seasonal
Embraer EMB 175
AA 4673
American Airlines
18:20 Lambert-St. Louis International, terminal 1
21:57 Logan International, terminal B
2h 37m
Seasonal
Embraer EMB 175
AA 4801
American Airlines
13:15 Lambert-St. Louis International, terminal 1
16:55 Logan International, terminal B
2h 40m
Seasonal
Embraer EMB 175
WN 4431
Southwest Airlines
19:55 Lambert-St. Louis International, terminal 2
23:20 Logan International, terminal B
2h 25m
Seasonal
Boeing 737-800
UA 1669
United Airlines
06:34 Lambert-St. Louis International, terminal 1
12:17 Logan International, terminal B
4h 43m
Seasonal
Boeing 737-700
AA 4801
American Airlines
07:00 Lambert-St. Louis International, terminal 1
10:40 Logan International, terminal B
2h 40m
Seasonal
Embraer EMB 175
AA 3788
American Airlines
10:00 Lambert-St. Louis International, terminal 1
13:38 Logan International, terminal B
2h 38m
Seasonal
Embraer EMB 175
AA 3444
American Airlines
17:40 Lambert-St. Louis International, terminal 1
21:19 Logan International, terminal B
2h 39m
Seasonal
Embraer EMB 175
UA 1669
United Airlines
06:04 Lambert-St. Louis International, terminal 1
12:10 Logan International, terminal B
5h 6m
Seasonal
Boeing 737-700
AA 4801
American Airlines
16:15 Lambert-St. Louis International, terminal 1
19:55 Logan International, terminal B
2h 40m
Seasonal
Embraer EMB 175
UA 1669
United Airlines
06:03 Lambert-St. Louis International, terminal 1
12:10 Logan International, terminal B
5h 7m
Seasonal
Boeing 737
AA 3788
American Airlines
14:40 Lambert-St. Louis International, terminal 1
18:18 Logan International, terminal B
2h 38m
Seasonal
Embraer EMB 175
AA 3788
American Airlines
16:10 Lambert-St. Louis International, terminal 1
19:49 Logan International, terminal B
2h 39m
Seasonal
Embraer EMB 175
AA 3470
American Airlines
09:58 Lambert-St. Louis International, terminal 1
13:32 Logan International, terminal B
2h 34m
Seasonal
Embraer EMB 175
WN 4598
Southwest Airlines
10:25 Lambert-St. Louis International, terminal 2
13:50 Logan International, terminal B
2h 25m
Seasonal
Boeing 737
WN 1794
Southwest Airlines
17:25 Lambert-St. Louis International, terminal 2
20:50 Logan International, terminal B
2h 25m
Seasonal
Boeing 737-800
AA 4500
American Airlines
19:11 Lambert-St. Louis International, terminal 1
22:48 Logan International, terminal B
2h 37m
Seasonal
Embraer EMB 175
WN 4598
Southwest Airlines
10:35 Lambert-St. Louis International, terminal 2
14:00 Logan International, terminal B
2h 25m
Seasonal
Boeing 737
AA 3470
American Airlines
17:00 Lambert-St. Louis International, terminal 1
20:34 Logan International, terminal B
2h 34m
Seasonal
Embraer EMB 175
WN 4598
Southwest Airlines
10:50 Lambert-St. Louis International, terminal 2
14:15 Logan International, terminal B
2h 25m
Seasonal
Boeing 737
WN 4052
Southwest Airlines
18:45 Lambert-St. Louis International, terminal 2
22:10 Logan International, terminal B
2h 25m
Seasonal
Boeing 737
WN 4598
Southwest Airlines
10:10 Lambert-St. Louis International, terminal 2
13:35 Logan International, terminal B
2h 25m
Seasonal
Boeing 737
AA 3520
American Airlines
10:30 Lambert-St. Louis International, terminal 1
14:08 Logan International, terminal B
2h 38m
Seasonal
Embraer EMB 175
AA 4678
American Airlines
17:55 Lambert-St. Louis International, terminal 1
21:33 Logan International, terminal B
2h 38m
Seasonal
Embraer EMB 175
WN 2599
Southwest Airlines
19:55 Lambert-St. Louis International, terminal 2
23:20 Logan International, terminal B
2h 25m
Seasonal
Boeing 737-800
WN 4598
Southwest Airlines
10:05 Lambert-St. Louis International, terminal 2
13:30 Logan International, terminal B
2h 25m
Seasonal
Boeing 737
WN 2599
Southwest Airlines
18:05 Lambert-St. Louis International, terminal 2
21:30 Logan International, terminal B
2h 25m
Seasonal
Boeing 737-800
WN 726
Southwest Airlines
10:25 Lambert-St. Louis International, terminal 2
13:55 Logan International, terminal B
2h 30m
Seasonal
Boeing 737-800
WN 4094
Southwest Airlines
19:45 Lambert-St. Louis International, terminal 2
23:15 Logan International, terminal B
2h 30m
Seasonal
Boeing 737
WN 726
Southwest Airlines
12:45 Lambert-St. Louis International, terminal 2
16:15 Logan International, terminal B
2h 30m
Seasonal
Boeing 737
WN 4094
Southwest Airlines
19:20 Lambert-St. Louis International, terminal 2
22:50 Logan International, terminal B
2h 30m
Seasonal
Boeing 737
WN 726
Southwest Airlines
10:10 Lambert-St. Louis International, terminal 2
13:40 Logan International, terminal B
2h 30m
Seasonal
Boeing 737
WN 726
Southwest Airlines
10:20 Lambert-St. Louis International, terminal 2
13:50 Logan International, terminal B
2h 30m
Seasonal
Boeing 737
WN 4433
Southwest Airlines
19:25 Lambert-St. Louis International, terminal 2
22:55 Logan International, terminal B
2h 30m
Seasonal
WN 4022
Southwest Airlines
10:35 Lambert-St. Louis International, terminal 2
14:15 Logan International, terminal B
2h 40m
Seasonal
Boeing 737
AA 4624
American Airlines
11:44 Lambert-St. Louis International, terminal 1
15:30 Logan International, terminal B
2h 46m
Seasonal
Embraer EMB 175
WN 275
Southwest Airlines
17:50 Lambert-St. Louis International, terminal 2
21:20 Logan International, terminal B
2h 30m
Seasonal
Boeing 737
AA 3822
American Airlines
18:07 Lambert-St. Louis International, terminal 1
21:48 Logan International, terminal B
2h 41m
Seasonal
Embraer EMB 175
WN 4022
Southwest Airlines
10:20 Lambert-St. Louis International, terminal 2
14:00 Logan International, terminal B
2h 40m
Seasonal
WN 1592
Southwest Airlines
13:25 Lambert-St. Louis International, terminal 2
17:05 Logan International, terminal B
2h 40m
Seasonal
Boeing 737-800
WN 275
Southwest Airlines
19:40 Lambert-St. Louis International, terminal 2
23:10 Logan International, terminal B
2h 30m
Seasonal
Boeing 737
WN 4456
Southwest Airlines
06:00 Lambert-St. Louis International, terminal 2
09:35 Logan International, terminal B
2h 35m
Seasonal
Boeing 737-800
WN 275
Southwest Airlines
18:10 Lambert-St. Louis International, terminal 2
21:40 Logan International, terminal B
2h 30m
Seasonal
Boeing 737
WN 4022
Southwest Airlines
10:15 Lambert-St. Louis International, terminal 2
13:55 Logan International, terminal B
2h 40m
Seasonal
WN 1592
Southwest Airlines
15:05 Lambert-St. Louis International, terminal 2
18:45 Logan International, terminal B
2h 40m
Seasonal
Boeing 737
WN 275
Southwest Airlines
19:45 Lambert-St. Louis International, terminal 2
23:15 Logan International, terminal B
2h 30m
Seasonal
Boeing 737
AA 3814
American Airlines
09:45 Lambert-St. Louis International, terminal 1
13:30 Logan International, terminal B
2h 45m
Seasonal
Embraer EMB 175
AA 4678
American Airlines
19:51 Lambert-St. Louis International, terminal 1
23:36 Logan International, terminal B
2h 45m
Seasonal
Embraer EMB 175
WN 1837
Southwest Airlines
10:00 Lambert-St. Louis International, terminal 2
13:35 Logan International, terminal B
2h 35m
Seasonal
Boeing 737
WN 3880
Southwest Airlines
13:25 Lambert-St. Louis International, terminal 2
17:00 Logan International, terminal B
2h 35m
Seasonal
Boeing 737
WN 1837
Southwest Airlines
10:20 Lambert-St. Louis International, terminal 2
13:55 Logan International, terminal B
2h 35m
Seasonal
Boeing 737
WN 3489
Southwest Airlines
13:30 Lambert-St. Louis International, terminal 2
17:05 Logan International, terminal B
2h 35m
Seasonal
Boeing 737
WN 945
Southwest Airlines
19:00 Lambert-St. Louis International, terminal 2
22:35 Logan International, terminal B
2h 35m
Seasonal
Boeing 737
WN 1837
Southwest Airlines
10:15 Lambert-St. Louis International, terminal 2
13:50 Logan International, terminal B
2h 35m
Seasonal
Boeing 737
WN 4052
Southwest Airlines
14:05 Lambert-St. Louis International, terminal 2
17:40 Logan International, terminal B
2h 35m
Seasonal
Boeing 737
WN 1837
Southwest Airlines
06:45 Lambert-St. Louis International, terminal 2
10:20 Logan International, terminal B
2h 35m
Seasonal
Boeing 737
WN 3880
Southwest Airlines
13:20 Lambert-St. Louis International, terminal 2
16:55 Logan International, terminal B
2h 35m
Seasonal
Boeing 737
WN 945
Southwest Airlines
19:15 Lambert-St. Louis International, terminal 2
22:50 Logan International, terminal B
2h 35m
Seasonal
Boeing 737
AA 3814
American Airlines
09:39 Lambert-St. Louis International, terminal 1
13:24 Logan International, terminal B
2h 45m
Seasonal
Embraer EMB 175
AA 4678
American Airlines
19:50 Lambert-St. Louis International, terminal 1
23:37 Logan International, terminal B
2h 47m
Seasonal
Embraer EMB 175
AA 3814
American Airlines
09:44 Lambert-St. Louis International, terminal 1
13:29 Logan International, terminal B
2h 45m
Seasonal
Embraer EMB 175

Days of the week are taken from the schedule for the next 14 days; schedules change by season. Boston is 1 hour ahead of St Louis. The search shows seat availability and the price for your date.

Airlines flying St Louis to Boston

Flights a week by schedule and the cheapest nonstop fare of each airline found by recent searches

Southwest Airlines20 a week American Airlines14 a week United Airlinesfrom 17 December

Airports

Where flights from St Louis to Boston depart and land

Departure from St Louis

Lambert-St. Louis International STL

34 flights a week, terminals 1, 2, 12 mi (19 km) from the city centre

About the airport

Arrival in Boston

Logan International BOS

34 flights a week, terminal B, 2 mi (3 km) from the city centre

About the airport

Frequently asked questions

How long is the flight from St Louis to Boston?
A nonstop flight takes 2 hours 35 minutes on average, from 2h 25m to 5h 7m depending on the flight.
How far is Boston from St Louis?
1,036 mi (1,667 km) in a straight line between the cities.
Which airlines fly nonstop from St Louis to Boston?
Southwest Airlines (20 a week), American Airlines (14 a week) and United Airlines.
How many flights a day are there from St Louis to Boston?
5 flights today and 34 a week, about 4.9 a day on average.
When are the first and last flights from St Louis to Boston?
The first departure is at 06:00 (WN570), the last at 18:21 (AA4678). Local time.
What is the cheapest upcoming date to fly from St Louis to Boston?
16 November 2026 (Monday): from $165 one way, nonstop, by recent searches. The search shows the price for your dates.
Which airline is the cheapest from St Louis to Boston?
American Airlines: nonstop tickets from $165 on 16 November by recent searches. Prices change daily, so compare the sellers in the search.
What is the time difference between St Louis and Boston?
Boston is 1 hour ahead of St Louis. Schedule times on this page are local to each airport.
Which St Louis airport do flights to Boston leave from?
Lambert-St. Louis International (34 a week).