$497 Flights from Delhi Indira Gandhi International (DEL) to St Louis (STL)

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Flight deals from Delhi Indira Gandhi International Airport to St Louis Airport

Looking for a cheap last-minute deal or the best round-trip flight from Delhi Indira Gandhi International Airport to St Louis Airport? If you want to travel next month, round-trip fares start from $1,078. Find the lowest prices on one-way and round-trip tickets right here.

Find the cheapest month to fly from Delhi Indira Gandhi International to St Louis

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Delhi Indira Gandhi International to St Louis flights are currently cheapest in February.

Delhi Indira Gandhi International to St Louis: Alternative routes

Compare routes from Delhi Indira Gandhi International to St Louis below. You may find an airport to fly into that's cheaper, faster, or easier than St Louis.

New Delhi to St Louis: Flight information

The things to know before you go.
Cheapest flight found$497
Cheapest month to flyFebruary

Finding cheap flights from Delhi Indira Gandhi International to St Louis: Frequently asked questions

The best price we found for a round-trip flight from Delhi Indira Gandhi International to St Louis is $834. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Delhi Indira Gandhi International to St Louis. But we found flights with one or more stops from $834.
There are no flights flying from Delhi Indira Gandhi International to St Louis, as of January 2026.
The cheapest month to fly from Delhi Indira Gandhi International to St Louis is usually June.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Delhi Indira Gandhi International Airport to St Louis Airport on Wednesday, June 3, 2026.
No airlines currently offer direct flights between Delhi Indira Gandhi International Airport and St Louis Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to St Louis but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to St Louis is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Air India offers the cheapest flight tickets to St Louis.

Traveling from Indira Gandhi International Airport (DEL) to Lambert-St. Louis International Airport (STL): what you need to know

  • St Louis is ten hours 30 minutes behind New Delhi and is in the UTC-5 timezone.

  • For a smooth journey, arrive at the airport two hours ahead of international flights and one hour before domestic departures. This will give you enough time to board your DEL to STL flight.

  • You'll likely experience longer queues in popular months like July. Arriving up to four hours in advance for an international flight and two hours for a domestic departure is a wise move.

  • If you want to add a stop to your trip, simply uncheck 'Direct flights only' when searching for your ticket from Indira Gandhi International Airport to Lambert-St. Louis International Airport. Here are the top stopovers between DEL and STL:

    • O'Hare International Airport

    • Washington Dulles International Airport

    • Newark Liberty International Airport

How to find the cheapest flights from Indira Gandhi International Airport (DEL) to Lambert-St. Louis International Airport (STL)

  • The lowest price we've found for a one-way Indira Gandhi International Airport to Lambert-St. Louis International Airport flight is $497. A return fare right now is $834. Depending on the availability when you book, these fares can change.

  • It's often best to book ahead of time if you're looking for cheap tickets from DEL to STL. That's because airlines change prices based on demand, which tends to rise closer to departure.

  • If you're flexible with your travel plans, use the 'Whole month' search function. It'll find the lowest price in every month when searching for your flight from Indira Gandhi International Airport to Lambert-St. Louis International Airport.

  • Never miss a deal on cheap flights from DEL to STL by creating a Price Alert. You'll get an email or notification on the app when a special offer becomes available.

  • Select your ideal departure and arrival times, airlines and number of stops with the filters. Alternatively, sort your results by 'Cheapest' to get the best deals on flights from Indira Gandhi International Airport to Lambert-St. Louis International Airport.

Handy information about Indira Gandhi International Airport (DEL)

  • 67.17% of flights that leave from Indira Gandhi International Airport arrive at their destination on schedule.

  • To get to Indira Gandhi International Airport from central New Delhi, it'll take around 25 minutes if you're planning to drive. This depends on traffic though. It's approximately 7 miles from the airport to the city center.

  • Planning to catch public transport? Expect a journey time of around 55 minutes.

  • Need a handy hotel close to DEL? If you've booked an early flight from Indira Gandhi International Airport to Lambert-St. Louis International Airport, these accommodation options will put you moments from check-in:

Arriving at Lambert-St. Louis International Airport (STL)

Getting from Lambert-St. Louis International Airport (STL) to central St Louis

  • STL is located at 10701 Lambert International Blvd..

  • Lambert-St. Louis International Airport to the center of St Louis has a drive time of around 20 minutes. It's approximately 16 miles away.

  • It takes around 35 minutes when traveling by public transport.

When to fly to Lambert-St. Louis International Airport (STL)

  • It's time to work out your trip dates for your flight from Indira Gandhi International Airport to Lambert-St. Louis International Airport. July is the busiest month to head to St Louis. If you're after a more low-key vibe, go in April.

  • When booking your flight from Indira Gandhi International Airport to Lambert-St. Louis International Airport, think about the type of weather you like. July is the warmest month in St Louis, with the temperature ranging from 63ºF to 91ºF.

  • January sees average temperatures of between 18ºF and 45ºF. Search for cheap tickets from DEL to STL sometime around then if you like traveling in cooler conditions.

Explore more of United States

  • St Louis is easy to fall in love with, but there are so many other parts of United States waiting to be explored. About 260 miles north-east of St Louis, a trip to Chicago will keep your itinerary packed. Start with attractions like Millennium Park, Art Institute of Chicago and LandShark Beer Garden at Navy Pier.

  • Around 230 miles east of St Louis, Indianapolis is another favorite stop in United States. Experience this destination's highlights firsthand at The Children's Museum of Indianapolis, Indianapolis Museum of Art and Indianapolis Zoo.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.