Boston to Cahokia/St Louis (BOS–CPS) — Airlines, Schedules & Connections

BOS Airport Page →
1,038 mi airlines 0/wk
On-time Some delays Frequent delays
Connecting Flight Schedule 24 1-stop flights Verified 2w ago
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  Flight Airline AC Dep Arr Dur OTP Sched  
✈ Nonstop

No flights match your filters.

No nonstop flights on this route. connecting options below.

✦ 1-STOP More options, longer trips
✧ 2-STOP Loading... Reach the hardest destinations
Boston to Cahokia/St Louis
Connecting service available through multiple hubs.
1 Airlines 1,038 mi 1h 32m nonstop -1h behind 24 1-stop hubs

BOS–CPS is served by 1 airline with nonstop service. Delta Air Lines leads the route. The flight covers 1,038 miles in approximately 1h 32m. Beyond nonstop, 24 hubs offer 1-stop connections.

Also explore BOS Routes CPS Routes BOS Live Flights CPS Live Flights BOS Delays
Carriers on this route

Airline Landscape

All carriers operating nonstop BOS–CPS service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
DL Delta Air Lines 0 – – 66% SkyTeam –
Alliance coverage
SkyTeam: DL (0 flights/wk, 0%)
OTP based on airport-level delay snapshots. Duration ranges reflect seasonal/directional variation.
Connections

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for BOS to CPS.
1-STOP
One-Stop Connections
24
Hubs
~3h
Fastest
~30h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
76
Candidates
Two-stop connections loaded in the connections tab above.
Connections computed from published schedules with minimum connection time verification. Use the interactive explorer above the fold to filter by airline, tier, and layover time.
Know before you go

Travel Essentials

Practical planning for this route.
Time Difference
-1h
Cahokia/St Louis is 1 hour behind Boston.
BOS: EDT · CPS: CDT

When it's 6:00 PM in Boston, it's 5:00 PM in Cahokia/St Louis.
Distance & Flight Time
1,038 mi / 1,670 km
Nonstop flight time is approximately 1h 32m.
Getting to BOS

MBTA Silver Line SL1 bus runs from South Station (Red Line, Amtrak) through the Ted Williams Tunnel to all Logan terminals; free from the airport, $2.40 inbound. Journey from South Station takes 15–20 minutes depending on traffic. The Blue Line Aquarium station connects to a free water taxi ($12) across the harbor to Logan; scenic but weather-dependent.Taxis from downtown Boston cost $30–45 with the Ted Williams Tunnel toll included. Ride-hails are comparable. The Sumner and Ted Williams tunnels both serve the airport; check traffic before departing, as both frequently back up. Logan is only 3 miles from downtown but tunnel congestion often extends that to 30+ minutes.

Facts

BOS–CPS Quick Facts

Key statistics for the Boston to Cahokia/St Louis route.
Route details
Distance1,038 mi / 1,670 km
Flight time1h 32m
Time difference-1 hour
Airlines (nonstop)1
1-stop connections24 hubs
Origin: BOS
Full nameBoston Logan International Airport
IATA / ICAOBOS / KBOS
TimezoneAmerica/New_York
Passengers/yr42.2M
Elevation20 ft / 6 m
Destination: CPS
Full nameSt Louis Downtown Airport
IATA / ICAOCPS / KCPS
TimezoneAmerica/Chicago
Elevation413 ft / 126 m
FAQ

Frequently Asked Questions

Common questions about BOS to CPS flights.
Nonstop flights from Boston Logan International Airport to St Louis Downtown Airport take approximately 1h 32m. The route covers 1,038 miles.
1 airline operates nonstop service: Delta Air Lines.
Yes, 1-stop connections are available through PIT, IAD, LGA, PHL, CLT, JFK, CLE, SAV, FLL, PBI, RSW, BNA, ADS, MIA, LAS, PHX, SJC, SEA, LAX, MDW, IAH, AUS, DAL and DFW. These options provide additional schedule flexibility.
Cahokia/St Louis is 1 hour behind Boston.
Yes, return flights from CPS to BOS are available. Use the direction toggle at the top to view the return schedule.
Click the 'Search Flights' button to check availability and prices on Google Flights. You can also compare airlines and schedules on this page to find the best option.
See the On-Time Performance section for the latest delay data at both airports. This shows departure and arrival reliability to help you plan.
Route data is updated regularly from official airline schedules. On-time performance data comes from recent airport delay snapshots.

Flights from BOS to CPS

Boston Logan International Airport (BOS) and St Louis Downtown Airport (CPS) are connected by nonstop service from Delta Air Lines.

BOS to CPS Flight Duration and Schedule

Nonstop flight time from BOS to CPS ranges from 1 hours 32 minutes. The route covers a distance of 1,038 miles (1,670 km).

Connecting Options and Alternatives

24 one-stop connections are available, with the fastest taking approximately 3 hours via PIT. Two-stop connections are also available via intermediate hubs.