$604 Cheap Flights from St. Louis (STL) to Delhi (DEL)

View $604 flight on Mon, Sep 1, 2025Opens 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 $604 for one-way flights and $810 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Mon, Sep 1 - Tue, Sep 30
STL
St. Louis
DEL
Delhi
$810 Roundtrip, found 11 hours ago
$810
Roundtrip
found 11 hours ago
Select United flight, departing Mon, Sep 1 from St. Louis to Delhi, returning Tue, Sep 30, priced at $810 found 11 hours ago
American Airlines
Tue, Aug 26 - Tue, Sep 16
STL
St. Louis
DEL
Delhi
$814 Roundtrip, found 10 hours ago
$814
Roundtrip
found 10 hours ago
Select American Airlines flight, departing Tue, Aug 26 from St. Louis to Delhi, returning Tue, Sep 16, priced at $814 found 10 hours ago
United
Sat, Jan 17 - Mon, Feb 2
STL
St. Louis
DEL
Delhi
$816 Roundtrip, found 5 days ago
$816
Roundtrip
found 5 days ago
Select United flight, departing Sat, Jan 17 from St. Louis to Delhi, returning Mon, Feb 2, priced at $816 found 5 days ago
United
Sat, Jan 24 - Thu, Feb 5
STL
St. Louis
DEL
Delhi
$820 Roundtrip, found 5 days ago
$820
Roundtrip
found 5 days ago
Select United flight, departing Sat, Jan 24 from St. Louis to Delhi, returning Thu, Feb 5, priced at $820 found 5 days ago
United
Sat, Jan 24 - Sat, Feb 7
STL
St. Louis
DEL
Delhi
$821 Roundtrip, found 5 days ago
$821
Roundtrip
found 5 days ago
Select United flight, departing Sat, Jan 24 from St. Louis to Delhi, returning Sat, Feb 7, priced at $821 found 5 days ago
United
Wed, Sep 10 - Fri, Sep 19
STL
St. Louis
DEL
Delhi
$855 Roundtrip, found 6 days ago
$855
Roundtrip
found 6 days ago
Select United flight, departing Wed, Sep 10 from St. Louis to Delhi, returning Fri, Sep 19, priced at $855 found 6 days ago
Lufthansa
Mon, Sep 8 - Wed, Oct 8
STL
St. Louis
DEL
Delhi
$909 Roundtrip, found 5 days ago
$909
Roundtrip
found 5 days ago
Select Lufthansa flight, departing Mon, Sep 8 from St. Louis to Delhi, returning Wed, Oct 8, priced at $909 found 5 days ago
Air Canada
Mon, Sep 8 - Sat, Sep 20
STL
St. Louis
DEL
Delhi
$977 Roundtrip, found 2 days ago
$977
Roundtrip
found 2 days ago
Select Air Canada flight, departing Mon, Sep 8 from St. Louis to Delhi, returning Sat, Sep 20, priced at $977 found 2 days ago
Delta
Sun, Aug 31 - Sat, Sep 27
STL
St. Louis
DEL
Delhi
$1,022 Roundtrip, found 6 days ago
$1,022
Roundtrip
found 6 days ago
Select Delta flight, departing Sun, Aug 31 from St. Louis to Delhi, returning Sat, Sep 27, priced at $1,022 found 6 days ago
Virgin Atlantic
Wed, Sep 3 - Mon, Nov 24
STL
St. Louis
DEL
Delhi
$1,022 Roundtrip, found 17 hours ago
$1,022
Roundtrip
found 17 hours ago
Select Virgin Atlantic flight, departing Wed, Sep 3 from St. Louis to Delhi, returning Mon, Nov 24, priced at $1,022 found 17 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 $1,602
DEL
Indira Gandhi Intl.
CheapestClosest
Average driving time to city center20 min
Flights from $1,602
Flights from St. Louis (STL) to Delhi (DEL)
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, Turkish Airlines, United, Virgin Atlantic
Roundtrip price
$809
Distance
7716 mi

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 September. 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 $604 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.

 

Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to Indira Gandhi Intl. Airport (DEL) cost?
Discover the latest flight deals from STL to DEL by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from STL to DEL?
The cheapest flights from STL to DEL are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from STL to DEL?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from STL to DEL. Sort your results by "Price (lowest to highest)" to snap up a great deal.
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.

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*Available to One Key members.