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Cheap flights from Boston to St Louis

35 nonstop flights a week, 5 of them today. Operated by 3 airlines, about 3h 10m in the air, 1,036 mi (1,667 km). Tickets from $173.

Flights from Boston to St Louis

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 Boston to St Louis

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

Cheapest one-way $173 18 November 2026, nonstop Cheapest nonstop $173 18 November 2026, American Airlines Cheapest month November 2026 tickets from $173

Boston to St Louis at a glance

flight time, from 2h 55m to 8h 8m
3h 10m
straight-line distance
1,036 mi (1,667 km)
flights a week
35
flights today
5
first and last departure
05:10 - 18:50
lowest price, nonstop, 18 November
$173
airlines
3

Boston to St Louis flight schedule

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

FlightDepartsArrivesDurationDaysAircraft
WN 819
Southwest Airlines
05:10 Logan International, terminal B
07:15 Lambert-St. Louis International, terminal 2
3h 5m
Mon, Thu, Fri, Sat, Sun
Boeing 737-800
WN 819
Southwest Airlines
05:20 Logan International, terminal B
07:30 Lambert-St. Louis International, terminal 2
3h 10m
Mon, Tue, Wed, Thu
Boeing 737-800
WN 819
Southwest Airlines
05:35 Logan International, terminal B
07:40 Lambert-St. Louis International, terminal 2
3h 5m
Sat
Boeing 737-800
AA 3444
American Airlines
07:00 Logan International, terminal B
09:16 Lambert-St. Louis International, terminal 1
3h 16m
Mon, Tue, Wed, Thu, Fri, Sun
Embraer EMB 175
AA 4801
American Airlines
10:15 Logan International, terminal B
12:37 Lambert-St. Louis International, terminal 1
3h 22m
Sat
Embraer EMB 175
WN 958
Southwest Airlines
12:25 Logan International, terminal B
14:30 Lambert-St. Louis International, terminal 2
3h 5m
Sat
Boeing 737-800
WN 958
Southwest Airlines
12:55 Logan International, terminal B
14:55 Lambert-St. Louis International, terminal 2
3h
Mon, Thu, Fri, Sun
WN 958
Southwest Airlines
13:10 Logan International, terminal B
15:20 Lambert-St. Louis International, terminal 2
3h 10m
Mon, Tue, Wed, Thu
Boeing 737-800
AA 4678
American Airlines
15:25 Logan International, terminal B
17:47 Lambert-St. Louis International, terminal 1
3h 22m
Daily
Embraer EMB 175
WN 4929
Southwest Airlines
17:05 Logan International, terminal B
19:15 Lambert-St. Louis International, terminal 2
3h 10m
Mon, Tue, Wed, Thu
Boeing 737
WN 4929
Southwest Airlines
18:35 Logan International, terminal B
20:40 Lambert-St. Louis International, terminal 2
3h 5m
Mon, Thu, Fri, Sun
Boeing 737-800
WN 2669
Southwest Airlines
18:50 Logan International, terminal B
21:00 Lambert-St. Louis International, terminal 2
3h 10m
Sat

Seasonal and one-off flights

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

FlightDepartsArrivesDurationDaysAircraft
WN 958
Southwest Airlines
12:45 Logan International, terminal B
14:50 Lambert-St. Louis International, terminal 2
3h 5m
Seasonal
Boeing 737-800
WN 4929
Southwest Airlines
18:50 Logan International, terminal B
21:00 Lambert-St. Louis International, terminal 2
3h 10m
Seasonal
Boeing 737
WN 819
Southwest Airlines
05:00 Logan International, terminal B
07:00 Lambert-St. Louis International, terminal 2
3h
Seasonal
WN 958
Southwest Airlines
10:05 Logan International, terminal B
12:10 Lambert-St. Louis International, terminal 2
3h 5m
Seasonal
Boeing 737
WN 3553
Southwest Airlines
05:10 Logan International, terminal B
07:15 Lambert-St. Louis International, terminal 2
3h 5m
Seasonal
Boeing 737-800
WN 826
Southwest Airlines
09:30 Logan International, terminal B
11:35 Lambert-St. Louis International, terminal 2
3h 5m
Seasonal
Boeing 737-800
WN 440
Southwest Airlines
11:50 Logan International, terminal B
15:25 Lambert-St. Louis International, terminal 2
4h 35m
Seasonal
WN 958
Southwest Airlines
13:40 Logan International, terminal B
15:45 Lambert-St. Louis International, terminal 2
3h 5m
Seasonal
Boeing 737
WN 4929
Southwest Airlines
19:55 Logan International, terminal B
22:00 Lambert-St. Louis International, terminal 2
3h 5m
Seasonal
Boeing 737
AA 4678
American Airlines
15:21 Logan International, terminal B
17:50 Lambert-St. Louis International, terminal 1
3h 29m
Seasonal
Embraer EMB 175
WN 4929
Southwest Airlines
17:10 Logan International, terminal B
19:20 Lambert-St. Louis International, terminal 2
3h 10m
Seasonal
Boeing 737
AA 3788
American Airlines
07:00 Logan International, terminal B
09:28 Lambert-St. Louis International, terminal 1
3h 28m
Seasonal
Embraer EMB 175
AA 3444
American Airlines
14:45 Logan International, terminal B
17:05 Lambert-St. Louis International, terminal 1
3h 20m
Seasonal
Embraer EMB 175
AA 4801
American Airlines
13:20 Logan International, terminal B
15:45 Lambert-St. Louis International, terminal 1
3h 25m
Seasonal
Embraer EMB 175
AA 3788
American Airlines
11:30 Logan International, terminal B
13:58 Lambert-St. Louis International, terminal 1
3h 28m
Seasonal
Embraer EMB 175
AA 3788
American Airlines
13:15 Logan International, terminal B
15:35 Lambert-St. Louis International, terminal 1
3h 20m
Seasonal
Embraer EMB 175
WN 700
Southwest Airlines
05:30 Logan International, terminal B
07:45 Lambert-St. Louis International, terminal 2
3h 15m
Seasonal
Boeing 737
AA 3470
American Airlines
07:00 Logan International, terminal B
09:27 Lambert-St. Louis International, terminal 1
3h 27m
Seasonal
Embraer EMB 175
WN 701
Southwest Airlines
15:45 Logan International, terminal B
18:05 Lambert-St. Louis International, terminal 2
3h 20m
Seasonal
Boeing 737-800
AA 4500
American Airlines
16:14 Logan International, terminal B
18:40 Lambert-St. Louis International, terminal 1
3h 26m
Seasonal
Embraer EMB 175
WN 474
Southwest Airlines
10:55 Logan International, terminal B
13:15 Lambert-St. Louis International, terminal 2
3h 20m
Seasonal
Boeing 737
AA 3470
American Airlines
13:56 Logan International, terminal B
16:23 Lambert-St. Louis International, terminal 1
3h 27m
Seasonal
Embraer EMB 175
WN 700
Southwest Airlines
05:25 Logan International, terminal B
07:45 Lambert-St. Louis International, terminal 2
3h 20m
Seasonal
Boeing 737
WN 701
Southwest Airlines
17:45 Logan International, terminal B
19:55 Lambert-St. Louis International, terminal 2
3h 10m
Seasonal
Boeing 737
WN 700
Southwest Airlines
05:20 Logan International, terminal B
07:40 Lambert-St. Louis International, terminal 2
3h 20m
Seasonal
Boeing 737
AA 3520
American Airlines
07:30 Logan International, terminal B
09:54 Lambert-St. Louis International, terminal 1
3h 24m
Seasonal
Embraer EMB 175
AA 4678
American Airlines
15:00 Logan International, terminal B
17:24 Lambert-St. Louis International, terminal 1
3h 24m
Seasonal
Embraer EMB 175
WN 701
Southwest Airlines
18:50 Logan International, terminal B
21:00 Lambert-St. Louis International, terminal 2
3h 10m
Seasonal
Boeing 737-800
WN 698
Southwest Airlines
13:45 Logan International, terminal B
17:20 Lambert-St. Louis International, terminal 2
4h 35m
Seasonal
WN 701
Southwest Airlines
17:00 Logan International, terminal B
19:15 Lambert-St. Louis International, terminal 2
3h 15m
Seasonal
Boeing 737
WN 160
Southwest Airlines
05:40 Logan International, terminal B
07:45 Lambert-St. Louis International, terminal 2
3h 5m
Seasonal
Boeing 737-800
WN 757
Southwest Airlines
18:40 Logan International, terminal B
20:50 Lambert-St. Louis International, terminal 2
3h 10m
Seasonal
Boeing 737
WN 160
Southwest Airlines
05:45 Logan International, terminal B
07:50 Lambert-St. Louis International, terminal 2
3h 5m
Seasonal
Boeing 737-800
WN 757
Southwest Airlines
18:20 Logan International, terminal B
20:35 Lambert-St. Louis International, terminal 2
3h 15m
Seasonal
Boeing 737
WN 193
Southwest Airlines
05:25 Logan International, terminal B
07:30 Lambert-St. Louis International, terminal 2
3h 5m
Seasonal
Boeing 737-800
WN 757
Southwest Airlines
18:50 Logan International, terminal B
21:00 Lambert-St. Louis International, terminal 2
3h 10m
Seasonal
Boeing 737
WN 192
Southwest Airlines
05:40 Logan International, terminal B
07:45 Lambert-St. Louis International, terminal 2
3h 5m
Seasonal
Boeing 737-800
WN 757
Southwest Airlines
17:55 Logan International, terminal B
20:05 Lambert-St. Louis International, terminal 2
3h 10m
Seasonal
Boeing 737
UA 2631
United Airlines
07:10 Logan International, terminal B
14:18 Lambert-St. Louis International, terminal 1
8h 8m
Seasonal
Airbus A320
WN 329
Southwest Airlines
05:40 Logan International, terminal B
07:40 Lambert-St. Louis International, terminal 2
3h
Seasonal
Boeing 737
AA 4518
American Airlines
08:40 Logan International, terminal B
10:53 Lambert-St. Louis International, terminal 1
3h 13m
Seasonal
Embraer EMB 175
AA 3718
American Airlines
15:00 Logan International, terminal B
17:12 Lambert-St. Louis International, terminal 1
3h 12m
Seasonal
Embraer EMB 175
WN 758
Southwest Airlines
16:45 Logan International, terminal B
18:55 Lambert-St. Louis International, terminal 2
3h 10m
Seasonal
Boeing 737
WN 329
Southwest Airlines
05:30 Logan International, terminal B
07:30 Lambert-St. Louis International, terminal 2
3h
Seasonal
Boeing 737
WN 1407
Southwest Airlines
12:45 Logan International, terminal B
14:45 Lambert-St. Louis International, terminal 2
3h
Seasonal
Boeing 737-800
WN 758
Southwest Airlines
18:45 Logan International, terminal B
20:50 Lambert-St. Louis International, terminal 2
3h 5m
Seasonal
Boeing 737
WN 4366
Southwest Airlines
08:10 Logan International, terminal B
10:15 Lambert-St. Louis International, terminal 2
3h 5m
Seasonal
Boeing 737
WN 1877
Southwest Airlines
13:15 Logan International, terminal B
15:15 Lambert-St. Louis International, terminal 2
3h
Seasonal
Boeing 737
WN 329
Southwest Airlines
05:35 Logan International, terminal B
07:35 Lambert-St. Louis International, terminal 2
3h
Seasonal
Boeing 737
WN 1407
Southwest Airlines
12:50 Logan International, terminal B
14:50 Lambert-St. Louis International, terminal 2
3h
Seasonal
Boeing 737
WN 3509
Southwest Airlines
18:55 Logan International, terminal B
21:00 Lambert-St. Louis International, terminal 2
3h 5m
Seasonal
Boeing 737-800
AA 3814
American Airlines
07:00 Logan International, terminal B
09:09 Lambert-St. Louis International, terminal 1
3h 9m
Seasonal
Embraer EMB 175
AA 4678
American Airlines
17:11 Logan International, terminal B
19:21 Lambert-St. Louis International, terminal 1
3h 10m
Seasonal
Embraer EMB 175
WN 995
Southwest Airlines
05:20 Logan International, terminal B
07:15 Lambert-St. Louis International, terminal 2
2h 55m
Seasonal
Boeing 737
WN 2479
Southwest Airlines
13:10 Logan International, terminal B
15:05 Lambert-St. Louis International, terminal 2
2h 55m
Seasonal
Boeing 737
WN 1615
Southwest Airlines
19:00 Logan International, terminal B
21:00 Lambert-St. Louis International, terminal 2
3h
Seasonal
Boeing 737
WN 995
Southwest Airlines
05:35 Logan International, terminal B
07:30 Lambert-St. Louis International, terminal 2
2h 55m
Seasonal
WN 526
Southwest Airlines
08:50 Logan International, terminal B
10:45 Lambert-St. Louis International, terminal 2
2h 55m
Seasonal
WN 2479
Southwest Airlines
15:50 Logan International, terminal B
17:50 Lambert-St. Louis International, terminal 2
3h
Seasonal
Boeing 737
WN 5756
Southwest Airlines
13:20 Logan International, terminal B
15:15 Lambert-St. Louis International, terminal 2
2h 55m
Seasonal
Boeing 737
WN 1615
Southwest Airlines
18:55 Logan International, terminal B
20:55 Lambert-St. Louis International, terminal 2
3h
Seasonal
Boeing 737
WN 995
Southwest Airlines
05:40 Logan International, terminal B
07:35 Lambert-St. Louis International, terminal 2
2h 55m
Seasonal
Boeing 737
WN 2479
Southwest Airlines
11:00 Logan International, terminal B
12:55 Lambert-St. Louis International, terminal 2
2h 55m
Seasonal
Boeing 737
WN 1615
Southwest Airlines
18:30 Logan International, terminal B
20:30 Lambert-St. Louis International, terminal 2
3h
Seasonal
Boeing 737
AA 4678
American Airlines
17:10 Logan International, terminal B
19:20 Lambert-St. Louis International, terminal 1
3h 10m
Seasonal
Embraer EMB 175
AA 3814
American Airlines
07:09 Logan International, terminal B
09:13 Lambert-St. Louis International, terminal 1
3h 4m
Seasonal
Embraer EMB 175
AA 4678
American Airlines
17:24 Logan International, terminal B
19:32 Lambert-St. Louis International, terminal 1
3h 8m
Seasonal
Embraer EMB 175

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

Airlines flying Boston to St Louis

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

Southwest Airlines21 a week American Airlines14 a week United Airlinesfrom 28 March

Airports

Where flights from Boston to St Louis depart and land

Departure from Boston

Logan International BOS

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

About the airport

Arrival in St Louis

Lambert-St. Louis International STL

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

About the airport

Frequently asked questions

How long is the flight from Boston to St Louis?
A nonstop flight takes 3 hours 10 minutes on average, from 2h 55m to 8h 8m depending on the flight.
How far is St Louis from Boston?
1,036 mi (1,667 km) in a straight line between the cities.
Which airlines fly nonstop from Boston to St Louis?
Southwest Airlines (21 a week), American Airlines (14 a week) and United Airlines.
How many flights a day are there from Boston to St Louis?
5 flights today and 35 a week, about 5 a day on average.
When are the first and last flights from Boston to St Louis?
The first departure is at 05:10 (WN819), the last at 18:50 (WN2669). Local time.
What is the cheapest upcoming date to fly from Boston to St Louis?
18 November 2026 (Wednesday): from $173 one way, nonstop, by recent searches. The search shows the price for your dates.
Which airline is the cheapest from Boston to St Louis?
American Airlines: nonstop tickets from $173 on 18 November by recent searches. Prices change daily, so compare the sellers in the search.
What is the time difference between Boston and St Louis?
St Louis is 1 hour behind Boston. Schedule times on this page are local to each airport.
Which Boston airport do flights to St Louis leave from?
Logan International (35 a week).