Chicago/Waukegan to St Louis (UGN–STL) — Airlines, Schedules & Connections

UGN Airport Page →
286 mi airlines 0/wk
On-time Some delays Frequent delays
Connecting Flight Schedule 18 1-stop flights Verified 4w 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
Chicago/Waukegan to St Louis
Connecting service available through multiple hubs.
286 mi 23h 46m nonstop 18 1-stop hubs

While no nonstop service exists between UGN and STL, connecting options are available through 18 hubs.

Also explore UGN Routes STL Routes UGN Live Flights STL Live Flights STL Delays
Connections

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for UGN to STL.
1-STOP
One-Stop Connections
18
Hubs
~3h
Fastest
~26h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
0
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.
Alternatives

Other ways to reach St Louis from Chicago/Waukegan

Nearby airports with service to St. Louis Lambert International Airport.
Metric UGN→STL ORD→STL MKE→STL
Distance from UGN – 31 mi 36 mi
Nonstop airlines 0 20 3
Weekly flights 0 523 14
Flight time 23h 46m 1h 9m 1h 20m
Chicago (ORD) to St Louis flights · Milwaukee (MKE) to St Louis flights · Chicago (MDW) to St Louis flights
Airports within 200 miles of UGN with service to St. Louis Lambert International Airport.
Know before you go

Travel Essentials

Practical planning for this route.
Time Difference
0h
St Louis is 0 hours the same as Chicago/Waukegan.
UGN: CDT · STL: CDT

When it's 6:00 PM in Chicago/Waukegan, it's 6:00 PM in St Louis.
Distance & Flight Time
286 mi / 460 km
Nonstop flight time is approximately 23h 46m.
Facts

UGN–STL Quick Facts

Key statistics for the Chicago/Waukegan to St Louis route.
Route details
Distance286 mi / 460 km
Flight time23h 46m
Time difference0 hours
Airlines (nonstop)0
1-stop connections18 hubs
Origin: UGN
Full nameWaukegan National Airport
IATA / ICAOUGN / KUGN
TimezoneAmerica/Chicago
Elevation727 ft / 222 m
Destination: STL
Full nameSt. Louis Lambert International Airport
IATA / ICAOSTL / KSTL
TimezoneAmerica/Chicago
Passengers/yr15.6M
Elevation618 ft / 188 m
FAQ

Frequently Asked Questions

Common questions about UGN to STL flights.
Nonstop flights from Waukegan National Airport to St. Louis Lambert International Airport take approximately 23h 46m. The route covers 286 miles.
Yes, 1-stop connections are available through MDW, MKC, IAD, ATL, SAV, HOU, MCO, DAL, BOS, SAT, DEN, RSW, SUA, PSP, LAS, SNA, LAX and IND. These options provide additional schedule flexibility.
Yes, return flights from STL to UGN are available. Use the direction toggle at the top to view the return schedule.
Nearby alternatives include ORD, MKE and MDW. See the Alternatives section for a full comparison.
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 UGN to STL

Waukegan National Airport (UGN) and St. Louis Lambert International Airport (STL) are connected through multiple connecting hub airports.

UGN to STL Flight Duration and Schedule

Nonstop flight time from UGN to STL ranges from 23 hours 46 minutes. The route covers a distance of 286 miles (460 km).

Connecting Options and Alternatives

18 one-stop connections are available, with the fastest taking approximately 3 hours via MDW. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Chicago (ORD), Milwaukee (MKE) and Chicago (MDW).