Boston (BOS) to St. Louis (STL) Flights from ₹11,391
Fares on this route currently start from ₹11,391. Compare live BOS to STL prices, non-stop and connecting flights, departure times and airline choices before booking. Use the search panel to change origin, destination, passengers, cabin and trip type instantly.
BOS → STLApprox. 1680.59 km04 Jun 2026Live inventory
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Showing 25
of 144
live flights
Frontier Airlines
F9-3085
06:00
06/04/2026
BOS
General Edward Lawrence Logan International Airport
11h 33m
1 Stop
⏱ ATL · 7h 35mATL Airport
17:33
06/04/2026
STL
St Louis Lambert International Airport
₹11,391
per person
✕ Non-refundable
Frontier Airlines
F9-3511
09:12
06/04/2026
BOS
General Edward Lawrence Logan International Airport
8h 21m
1 Stop
⏱ ATL · 4h 29mATL Airport
17:33
06/04/2026
STL
St Louis Lambert International Airport
₹12,927
per person
✕ Non-refundable
Southwest Airlines
WN-752
05:35
06/04/2026
BOS
General Edward Lawrence Logan International Airport
1h 50m
Non-stop
07:25
06/04/2026
STL
St Louis Lambert International Airport
₹16,671
per person
✕ Non-refundable14 fare options
Delta Air Lines
DL-1019
05:40
06/04/2026
BOS
General Edward Lawrence Logan International Airport
3h 49m
1 Stop
⏱ DTW · 0h 54mDTW Airport
09:29
06/04/2026
STL
St Louis Lambert International Airport
₹17,587
per person
✕ Non-refundable7 fare options
Delta Air Lines
DL-1432
17:15
06/04/2026
BOS
General Edward Lawrence Logan International Airport
3h 54m
1 Stop
⏱ DTW · 0h 55mDTW Airport
21:09
06/04/2026
STL
St Louis Lambert International Airport
₹17,587
per person
✕ Non-refundable7 fare options
Delta Air Lines
DL-923
08:00
06/04/2026
BOS
General Edward Lawrence Logan International Airport
4h 20m
1 Stop
⏱ ATL · 0h 47mATL Airport
12:20
06/04/2026
STL
St Louis Lambert International Airport
₹17,587
per person
✕ Non-refundable7 fare options
Delta Air Lines
DL-695
06:51
06/04/2026
BOS
General Edward Lawrence Logan International Airport
5h 29m
1 Stop
⏱ ATL · 2h 2mATL Airport
12:20
06/04/2026
STL
St Louis Lambert International Airport
₹17,587
per person
✕ Non-refundable7 fare options
Delta Air Lines
DL-1061
07:00
06/04/2026
BOS
General Edward Lawrence Logan International Airport
5h 23m
1 Stop
⏱ LGA · 2h 5mLGA Airport
12:23
06/04/2026
STL
St Louis Lambert International Airport
₹17,587
per person
✕ Non-refundable7 fare options
Delta Air Lines
DL-5825
06:00
06/04/2026
BOS
General Edward Lawrence Logan International Airport
6h 23m
1 Stop
⏱ LGA · 3h 5mLGA Airport
12:23
06/04/2026
STL
St Louis Lambert International Airport
₹17,763
per person
✕ Non-refundable2 fare options
Delta Air Lines
DL-2242
05:35
06/04/2026
BOS
General Edward Lawrence Logan International Airport
6h 45m
1 Stop
⏱ ATL · 3h 11mATL Airport
12:20
06/04/2026
STL
St Louis Lambert International Airport
₹17,763
per person
✕ Non-refundable2 fare options
Southwest Airlines
WN-3239
05:25
06/04/2026
BOS
General Edward Lawrence Logan International Airport
17h 25m
1 Stop
⏱ MDW · 14h 35mMDW Airport
22:50
06/04/2026
STL
St Louis Lambert International Airport
₹18,942
per person
✕ Non-refundable4 fare options
Delta Air Lines
DL-2779
12:25
06/04/2026
BOS
General Edward Lawrence Logan International Airport
5h 31m
1 Stop
⏱ ATL · 2h 6mATL Airport
17:56
06/04/2026
STL
St Louis Lambert International Airport
₹19,742
per person
✕ Non-refundable2 fare options
United Airlines
UA-1414
06:00
06/04/2026
BOS
General Edward Lawrence Logan International Airport
4h 39m
1 Stop
⏱ ORD · 1h 7mORD Airport
10:39
06/04/2026
STL
St Louis Lambert International Airport
₹21,839
per person
✕ Non-refundable6 fare options
United Airlines
UA-366
07:19
06/04/2026
BOS
General Edward Lawrence Logan International Airport
4h 52m
1 Stop
⏱ ORD · 1h 23mORD Airport
12:11
06/04/2026
STL
St Louis Lambert International Airport
₹21,839
per person
✕ Non-refundable6 fare options
United Airlines
UA-503
10:35
06/04/2026
BOS
General Edward Lawrence Logan International Airport
5h 11m
1 Stop
⏱ ORD · 1h 52mORD Airport
15:46
06/04/2026
STL
St Louis Lambert International Airport
₹21,962
per person
✓ Refundable3 fare options
United Airlines
UA-1349
09:50
06/04/2026
BOS
General Edward Lawrence Logan International Airport
5h 56m
1 Stop
⏱ ORD · 2h 37mORD Airport
15:46
06/04/2026
STL
St Louis Lambert International Airport
₹21,962
per person
✓ Refundable3 fare options
United Airlines
UA-1414
06:00
06/04/2026
BOS
General Edward Lawrence Logan International Airport
6h 11m
1 Stop
⏱ ORD · 2h 42mORD Airport
12:11
06/04/2026
STL
St Louis Lambert International Airport
₹21,962
per person
✓ Refundable3 fare options
United Airlines
UA-1734
05:45
06/04/2026
BOS
General Edward Lawrence Logan International Airport
6h 26m
2 Stops
⏱ IAD · 0h 52mIAD Airport⏱ ORD · 1h 4mORD Airport
12:11
06/04/2026
STL
St Louis Lambert International Airport
₹22,464
per person
✕ Non-refundable🔥 Last 5 seats7 fare options
United Airlines
UA-366
07:19
06/04/2026
BOS
General Edward Lawrence Logan International Airport
7h 4m
1 Stop
⏱ ORD · 3h 38mORD Airport
14:23
06/04/2026
STL
St Louis Lambert International Airport
₹24,617
per person
✕ Non-refundable🔥 Last 4 seats8 fare options
Delta Air Lines
DL-1748
09:05
06/04/2026
BOS
General Edward Lawrence Logan International Airport
4h 5m
1 Stop
⏱ DTW · 1h 10mDTW Airport
13:10
06/04/2026
STL
St Louis Lambert International Airport
₹24,728
per person
✕ Non-refundable2 fare options
Delta Air Lines
DL-973
18:50
06/04/2026
BOS
General Edward Lawrence Logan International Airport
5h 9m
1 Stop
⏱ ATL · 1h 20mATL Airport
23:59
06/04/2026
STL
St Louis Lambert International Airport
₹24,728
per person
✕ Non-refundable2 fare options
Delta Air Lines
DL-456
09:10
06/04/2026
BOS
General Edward Lawrence Logan International Airport
7h 5m
1 Stop
⏱ ATL · 3h 32mATL Airport
16:15
06/04/2026
STL
St Louis Lambert International Airport
₹24,728
per person
✕ Non-refundable2 fare options
Southwest Airlines
WN-4917
12:55
06/04/2026
BOS
General Edward Lawrence Logan International Airport
1h 50m
Non-stop
14:45
06/04/2026
STL
St Louis Lambert International Airport
₹24,820
per person
✕ Non-refundable14 fare options
American Airlines
AA-1509
07:00
06/04/2026
BOS
General Edward Lawrence Logan International Airport
17h 16m
1 Stop
⏱ ORD · 13h 57mORD Airport
00:16
06/05/2026
+1
STL
St Louis Lambert International Airport
₹25,528
per person
✕ Non-refundable8 fare options
American Airlines
AA-3324
05:01
06/04/2026
BOS
General Edward Lawrence Logan International Airport
19h 15m
1 Stop
⏱ ORD · 16h 1mORD Airport
00:16
06/05/2026
+1
STL
St Louis Lambert International Airport
₹25,528
per person
✕ Non-refundable8 fare options
😕 No flights match your filters.
Boston (BOS)
📍 General Edward Lawrence Logan International Airport
🌍 United States
🕐 GMT -5
📐 Latitude: 42.36429977
📐 Longitude: -71.00520325
St. Louis (STL)
📍 St Louis Lambert International Airport
🌍 United States
🕐 GMT -6
📐 Latitude: 38.748697
📐 Longitude: -90.370003
✈ Distance: Boston,USA to St. Louis,USA — 1680.59 km
📅 Results on this page are loaded for 04 Jun 2026. Click View all flights for the complete live search.
Boston to St. Louis — what to expect when booking
The BOS–STL route is served by multiple carriers throughout the year.
Fares on this route can move quickly — a price available now may not be there 30 minutes later.
If your dates are flexible, try shifting your departure by a day or two using the date strip above.
Mid-week departures often show lower base fares compared to weekend starts on many routes.
The distance between Boston,USA and St. Louis,USA is approximately
1680.59 km.
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❓ Frequently asked questions — Boston to St. Louis flights
Generally yes — fares on most routes are most competitive around 4–6 weeks before departure. Booking earlier usually means better availability and a lower base fare when your dates are fixed.
The straight-line distance between Boston,USA (BOS) and St. Louis,USA (STL) is approximately 1680.59 km. Actual flying distance may vary slightly depending on routing.
Non-stop availability on this route varies by airline schedule and season. Use the filters below to quickly check whether direct options are available on your selected date.
Mid-week departures often show lower prices than weekend travel on many routes. Use the date strip above to compare nearby days quickly.