June is by far the best month, wherein you can get cheapest flights for Delhi to St Louis. Meanwhile, is perceived as the expensive month due to the varying factors. That’s why it’s highly advised to make advanced online flight booking to save huge amounts of money.
Disclaimer - All the above-mentioned fares were found within last 48 hrs. The displayed fares are based on historical data and are subject to change. The fares cannot be guaranteed at the time of booking.

Delhi
13:25
Delhi
Indira Gandhi International Airport
Thu , 02 Jul 2026

St Louis
18:42
St Louis
St Louis Lambert International Airport
Fri, 03 Jul 2026

Delhi
01:05
Delhi
Indira Gandhi International Airport
Thu , 02 Jul 2026

St Louis
15:42
St Louis
St Louis Lambert International Airport
Thu, 02 Jul 2026

Delhi
01:45
Delhi
Indira Gandhi International Airport
Thu , 02 Jul 2026

St Louis
21:26
St Louis
St Louis Lambert International Airport
Thu, 02 Jul 2026

Delhi
01:35
Delhi
Indira Gandhi International Airport
Thu , 02 Jul 2026

St Louis
09:09
St Louis
St Louis Lambert International Airport
Fri, 03 Jul 2026

Delhi
10:25
Delhi
Indira Gandhi International Airport
Thu , 02 Jul 2026

St Louis
22:53
St Louis
St Louis Lambert International Airport
Fri, 03 Jul 2026

Delhi
11:10
Delhi
Indira Gandhi International Airport
Thu , 02 Jul 2026

St Louis
17:23
St Louis
St Louis Lambert International Airport
Fri, 03 Jul 2026

Delhi
01:10
Delhi
Indira Gandhi International Airport
Thu , 02 Jul 2026

St Louis
18:57
St Louis
St Louis Lambert International Airport
Thu, 02 Jul 2026

Delhi
02:50
Delhi
Indira Gandhi International Airport
Thu , 02 Jul 2026

St Louis
15:42
St Louis
St Louis Lambert International Airport
Thu, 02 Jul 2026

Delhi
22:50
Delhi
Indira Gandhi International Airport
Thu , 02 Jul 2026

St Louis
20:07
St Louis
St Louis Lambert International Airport
Fri, 03 Jul 2026

Delhi
03:25
Delhi
Indira Gandhi International Airport
Thu , 02 Jul 2026

St Louis
22:53
St Louis
St Louis Lambert International Airport
Thu, 02 Jul 2026

Delhi
23:30
Delhi
Indira Gandhi International Airport
Thu , 02 Jul 2026

St Louis
11:55
St Louis
St Louis Lambert International Airport
Fri, 03 Jul 2026










Flying from Delhi to St Louis has never been easier. Whether you’re planning a short business trip, a weekend getaway, or reconnecting with family and friends, Easemytrip brings you the best deals, seamless booking, and flexible options for this popular flight route. Our platform is built to help travellers like you compare flight prices, explore direct and connecting options, and find the perfect departure time — all within a few clicks.
The air route between Delhi to St Louis is one of the most frequently travelled, offering reliable services from top airlines and excellent connectivity between Indira Gandhi International Airport (DEL) and St Louis Lambert International Airport (STL). You can expect a flight distance of approximately 12417 km, and most direct services cover it in around 21:16.
Let’s take a closer look at everything you need to know before booking your flight from Delhi to St Louis.
| Flight Details | Information |
|---|---|
| Route Distance | 12417 km |
| Average Flight Time | 21:16 hrs |
| Departure Airport | Indira Gandhi International Airport (DEL) |
| Arrival Airport | St Louis Lambert International Airport (STL) |
| Cabin Classes Available | Economy Class, Premium Economy, Business Class, First Class |
| Direct Flights | NO |
| Common Airlines | Air India, Swiss, Lufthansa, American Airlines |
The route is serviced regularly by both full-service and budget airlines, catering to all types of travellers — from those looking for no-frills budget options to those preferring business and first-class comfort. If you're flying for business, early morning weekday flights are a great choice, while leisure travellers often opt for weekend and evening departures.