$401 Cheap Flights from St. Louis (STL) to Delhi (DEL)

View $401 flight on Mon, Jan 5, 2026Opens in a new window

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Indira Gandhi International Airport (DEL)

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Cheap Flights from St. Louis to Delhi (STL-DEL)

Prices were available within the past 7 days and start at $401 for one-way flights and $810 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, Jan 21 - Thu, Jan 29
STL
St. Louis
DEL
Delhi
$810 Roundtrip, found 14 hours ago
$810
Roundtrip
found 14 hours ago
Select United flight, departing Wed, Jan 21 from St. Louis to Delhi, returning Thu, Jan 29, priced at $810 found 14 hours ago
United
Wed, Jan 21 - Thu, Jan 29
STL
St. Louis
DEL
Delhi
$814 Roundtrip, found 14 hours ago
$814
Roundtrip
found 14 hours ago
Select United flight, departing Wed, Jan 21 from St. Louis to Delhi, returning Thu, Jan 29, priced at $814 found 14 hours ago
United
Tue, Jan 20 - Thu, Jan 29
STL
St. Louis
DEL
Delhi
$816 Roundtrip, found 4 days ago
$816
Roundtrip
found 4 days ago
Select United flight, departing Tue, Jan 20 from St. Louis to Delhi, returning Thu, Jan 29, priced at $816 found 4 days ago
United
Fri, Apr 3 - Tue, Apr 14
STL
St. Louis
DEL
Delhi
$820 Roundtrip, found 5 days ago
$820
Roundtrip
found 5 days ago
Select United flight, departing Fri, Apr 3 from St. Louis to Delhi, returning Tue, Apr 14, priced at $820 found 5 days ago
United
Sat, May 9 - Mon, May 25
STL
St. Louis
DEL
Delhi
$821 Roundtrip, found 5 days ago
$821
Roundtrip
found 5 days ago
Select United flight, departing Sat, May 9 from St. Louis to Delhi, returning Mon, May 25, priced at $821 found 5 days ago
Lufthansa
Mon, Feb 2 - Mon, Feb 9
STL
St. Louis
DEL
Delhi
$890 Roundtrip, found 12 hours ago
$890
Roundtrip
found 12 hours ago
Select Lufthansa flight, departing Mon, Feb 2 from St. Louis to Delhi, returning Mon, Feb 9, priced at $890 found 12 hours ago
KLM
Sat, Jan 17 - Sat, Feb 21
STL
St. Louis
DEL
Delhi
$1,055 Roundtrip, found 1 day ago
$1,055
Roundtrip
found 1 day ago
Select KLM flight, departing Sat, Jan 17 from St. Louis to Delhi, returning Sat, Feb 21, priced at $1,055 found 1 day ago
Air Canada
Tue, Dec 2 - Sun, Dec 7
STL
St. Louis
DEL
Delhi
$1,063 Roundtrip, found 1 hour ago
$1,063
Roundtrip
found 1 hour ago
Select Air Canada flight, departing Tue, Dec 2 from St. Louis to Delhi, returning Sun, Dec 7, priced at $1,063 found 1 hour ago
Delta
Mon, Jan 5 - Mon, Feb 9
STL
St. Louis
DEL
Delhi
$1,077 Roundtrip, found 14 hours ago
$1,077
Roundtrip
found 14 hours ago
Select Delta flight, departing Mon, Jan 5 from St. Louis to Delhi, returning Mon, Feb 9, priced at $1,077 found 14 hours ago
Virgin Atlantic
Fri, Jan 9 - Fri, Jan 23
STL
St. Louis
DEL
Delhi
$1,092 Roundtrip, found 2 hours ago
$1,092
Roundtrip
found 2 hours ago
Select Virgin Atlantic flight, departing Fri, Jan 9 from St. Louis to Delhi, returning Fri, Jan 23, priced at $1,092 found 2 hours ago

Alternative airports near New Delhi

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Indira Gandhi Intl. DEL. Cheapest and Closest option available. Average driving time to city center is 20 minutes. Flights from $1,036
DEL
Indira Gandhi Intl.
CheapestClosest
Average driving time to city center20 min
Flights from $1,036

Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to Indira Gandhi Intl. Airport (DEL) cost?
Get a cheap one-way flight from $401 or cheap return flight from $810 from Lambert-St. Louis Intl. Airport (STL) to Indira Gandhi Intl. Airport (DEL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Lambert-St. Louis Intl. Airport (STL) to Indira Gandhi Intl. Airport (DEL)?
Planning your getaway for January is a good way to save, as it's the cheapest month for flights between STL and DEL. You'll typically find the lowest prices during off-peak months.
What is the cheapest airline that flies from Lambert-St. Louis Intl. Airport (STL) to Indira Gandhi Intl. Airport (DEL)?
To find the cheapest airline that'll fly you from STL to DEL, use Expedia's filter tool. Customize your search based on your travel needs, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to Indira Gandhi Intl. Airport (DEL)?
Nonstop flights from Lambert-St. Louis Intl. Airport (STL) to Indira Gandhi Intl. Airport (DEL) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel details and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from STL to DEL?
Generally you'll find the most flight options available on a Friday. Tuesdays tend to be the quietest.* But this can vary depending on the time of year, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Lambert-St. Louis Intl. Airport (STL) to Indira Gandhi Intl. Airport (DEL)?
Select a flight from Lambert-St. Louis Intl. Airport (STL) to Indira Gandhi Intl. Airport (DEL) that takes off before 3 PM to reduce the risk of cancellations and delays. Later departures are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Lambert-St. Louis Intl. Airport (STL) to Indira Gandhi Intl. Airport (DEL) last-minute?
Booking your flight from STL to DEL shortly before your trip is usually more expensive. But if there's some wiggle room with your itinerary, you could score a cheap last-minute fare.
Is it cheaper to book a STL to DEL flight and hotel package?
You'll typically save money by securing a STL to DEL flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one convenient place. After choosing your preferred flights and accommodations, you can add extras like car rentals, tours and activities.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Indira Gandhi Intl. Airport (DEL)?
In most instances, you're able to reschedule or cancel your STL to DEL flight. However, there may be additional charges, especially if your booking was made more than 24 hours ago. Check your itinerary for the airline's fees and guidelines on flight changes, or if you want more details, go to our Customer Service portal.

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Indira Gandhi Intl.
Airlines serving
Air Canada, Air France, All Nippon Airways, American Airlines, British Airways, Cathay Pacific, Delta, Finnair, Japan Airlines, KLM, Korean Air, Lufthansa, Qatar Airways, United, Virgin Atlantic
Roundtrip price
$809
Distance
7716 mi

Book with confidence

St. Louis to Delhi Flights

The cheapest times to fly from St. Louis to Delhi

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from St. Louis to Delhi are during the month of January. You can find some of the cheapest flights from St. Louis to Delhi with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from St. Louis to Delhi

Sunday is one of the best days to book for cheap flights from St. Louis to Delhi: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from St. Louis to Delhi

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from St. Louis to Delhi in 2025. You can also book with separate airlines for your outbound and return journeys, from $401 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap St. Louis to Delhi flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your St. Louis to Delhi airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

St. Louis to Delhi Flights

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*Available to One Key members.