What are the cheapest airlines flying from St. Louis to New Delhi round-trip?

United Airlines, at $987, was found to be the cheapest airline from St. Louis to New Delhi.Alternate airlines to your destination round-trip include Delta and KLM. United Airlines is 24% cheaper than the average price of flights available within the next 90 days to this destination.

What are the cheapest airlines to fly from St. Louis to New Delhi one-way?

For one-way options, check prices for American Airlines. According to our data, you can fly for as low as $353. Users have also found prices from $651 and $696 on United Airlines and Air Canada, respectively.

What is the cheapest day to fly from St. Louis to New Delhi?

Travelers seeking maximum savings on their St. Louis to New Delhi flight should consider departing on Thursday at noon when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

What are the most popular airlines that fly from St. Louis to New Delhi?

Before booking your flight from St. Louis to New Delhi check out the most popular airlines for this route: American Airlines, Air Canada or Finnair.

What is the cheapest day to fly round-trip from St. Louis to New Delhi?

It’s generally more expensive to depart on a Wednesday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.

How far in advance should I book a flight from St. Louis to New Delhi?

To save up to 22% on this flight, we recommend booking at least 51 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from St. Louis to New Delhi from $1,034 1-2 weeks out and tickets from $1,399 for flights departing within the next 72 hours.

What is the cheapest month to fly from St. Louis to New Delhi?

The best pricing can be found in the month of April. Prices to New Delhi from St. Louis average $1,305. You can even find prices in April for less than $1,305, as users have found deals to New Delhi from as low as $940. The month of December appears to be one of the more expensive times to travel to New Delhi from St. Louis. Flying in the targeted month can save you up to 43%.

Can I find deals for flights from St. Louis to New Delhi that include hotel bookings?

Yes. In addition to deals on St. Louis to New Delhi flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from St. Louis to New Delhi?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to New Delhi.

Can I find deals for business class flights from St. Louis to New Delhi?

Yes. Cheapflights offers flight deals from St. Louis to New Delhi by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$353+ Flights from St. Louis to New Delhi

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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Lambert-St Louis to New Delhi Indira Gandhi Intl are usually found in April or February, booked 50 days in advance, depart on a Wednesday or Tuesday and return on a Monday

Cheap flight deals from St. Louis to New Delhi

Round-trip from	$987 (United Airlines)
One-way from	$353 (American Airlines)
Popular in	December
Cheapest in	April
Average price	$1,343

From Lambert-St Louis to New Delhi Indira Gandhi Intl

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One-way flight from Lambert-St Louis to New Delhi Indira Gandhi Intl

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Highest demand for flights based on searches. 11% potential increase in price ($169 potential increase over avg. RT price).

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Cheapest flight prices on average. 4% potential price decrease ($52 potential savings vs. average RT price).

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Average for round-trip flights in June 2025

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Find flight deals from St. Louis to New Delhi

Cheapest flights from St. Louis to New Delhi
Explore the most affordable flight options available from St. Louis to New Delhi. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

Tue 10/219:00 amSTL - DEL

2 stops26h 00mUnited Airlines

Mon 11/1711:55 pmDEL - STL

2 stops30h 22mUnited Airlines

Deal found 6/10

$802

Tue 10/2112:25 pmSTL - DEL

2 stops25h 00mLufthansa

Sun 11/163:35 amDEL - STL

2 stops30h 42mLufthansa

Deal found 6/11

$914

Thu 7/109:16 amSTL - DEL

2 stops28h 19mDelta

Mon 8/1112:50 amDEL - STL

2 stops30h 37mDelta

Deal found 6/10

$1,042

Fri 10/317:34 amSTL - DEL

2 stops26h 31mAmerican Airlines

Sun 11/1611:55 pmDEL - STL

2 stops28h 54mAmerican Airlines

Deal found 6/10

$1,059

Sun 10/268:44 amSTL - DEL

3 stops31h 06mMultiple Airlines

Sun 11/94:35 pmDEL - STL

3 stops35h 40mMultiple Airlines

Deal found 6/10

$1,067

Tue 7/19:15 amSTL - DEL

1 stop24h 30mAir Canada

Sun 7/1312:05 amDEL - STL

2 stops49h 41mAir Canada

Deal found 6/11

$1,361

Fri 7/412:28 pmSTL - DEL

2 stops30h 22mFinnair

Fri 8/157:40 amDEL - STL

2 stops26h 04mFinnair

Deal found 6/11

$1,453

Sat 7/55:54 pmSTL - DEL

2 stops21h 31mKLM

Fri 8/83:55 amDEL - STL

2 stops29h 55mKLM

Deal found 6/10

$1,538

Best flights from St. Louis to New Delhi
Discover carefully curated flight deals from St. Louis to New Delhi that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 12, 2025.

Fri 8/811:25 amSTL - DEL

2 stops23h 35mUnited Airlines

Fri 8/2911:35 pmDEL - STL

1 stop21h 32mUnited Airlines

Deal found 6/12

$987

Thu 7/109:16 amSTL - DEL

2 stops28h 19mDelta

Mon 8/1112:50 amDEL - STL

2 stops30h 37mDelta

Deal found 6/10

$1,042

Fri 8/83:59 pmSTL - DEL

2 stops23h 26mKLM

Thu 8/283:55 amDEL - STL

2 stops29h 58mKLM

Deal found 6/12

$1,070

Fri 8/84:00 pmSTL - DEL

2 stops43h 40mMultiple Airlines

Thu 8/282:55 amDEL - STL

1 stop21h 05mMultiple Airlines

Deal found 6/12

$1,098

Sun 6/157:50 amSTL - DEL

2 stops26h 40mAmerican Airlines

Tue 6/1711:30 pmDEL - STL

2 stops23h 51mAmerican Airlines

Deal found 6/11

$1,130

Fri 8/83:30 pmSTL - DEL

1 stop22h 55mLufthansa

Thu 8/282:55 amDEL - STL

1 stop21h 05mLufthansa

Deal found 6/12

$1,337

Tue 7/19:15 amSTL - DEL

1 stop24h 30mAir Canada

Sun 7/1312:05 amDEL - STL

2 stops49h 41mAir Canada

Deal found 6/11

$1,361

Fri 7/412:28 pmSTL - DEL

2 stops30h 22mFinnair

Fri 8/157:40 amDEL - STL

2 stops26h 04mFinnair

Deal found 6/11

$1,453

Last-minute flights from St. Louis to New Delhi
Discover last-minute flight deals from St. Louis to New Delhi. Data last updated June 12, 2025 and is based on user searches.

Sun 6/157:50 amSTL - DEL

2 stops26h 40mAmerican Airlines

Tue 6/1711:30 pmDEL - STL

2 stops23h 51mAmerican Airlines

Deal found 6/11

$1,130

Thu 6/197:30 amSTL - DEL

1 stop26h 15mUnited Airlines

Tue 6/2412:05 amDEL - STL

1 stop30h 23mUnited Airlines

Deal found 6/9

$1,080

Thu 6/195:00 amSTL - DEL

2 stops28h 45mMultiple Airlines

Tue 6/241:00 amDEL - STL

3 stops26h 15mMultiple Airlines

Deal found 6/9

$1,522

Sun 6/295:30 pmSTL - DEL

2 stops44h 55mLufthansa

Sat 7/51:45 amDEL - STL

2 stops24h 32mLufthansa

Deal found 6/11

$1,561

Tue 7/19:15 amSTL - DEL

1 stop24h 30mAir Canada

Sun 7/1312:05 amDEL - STL

2 stops49h 41mAir Canada

Deal found 6/11

$1,361

Fri 7/412:28 pmSTL - DEL

2 stops30h 22mFinnair

Fri 8/157:40 amDEL - STL

2 stops26h 04mFinnair

Deal found 6/11

$1,453

Sat 7/55:54 pmSTL - DEL

2 stops21h 31mKLM

Fri 8/83:55 amDEL - STL

2 stops29h 55mKLM

Deal found 6/10

$1,538

Tue 7/86:33 amSTL - DEL

2 stops28h 27mUnited Airlines

Tue 8/1211:35 pmDEL - STL

2 stops26h 42mUnited Airlines

Deal found 6/10

$1,071

Thu 7/109:16 amSTL - DEL

2 stops28h 19mDelta

Mon 8/1112:50 amDEL - STL

2 stops30h 37mDelta

Deal found 6/10

$1,042

Sun 7/2010:47 amSTL - DEL

2 stops31h 23mMultiple Airlines

Sat 8/21:45 amDEL - STL

3 stops42h 37mMultiple Airlines

Deal found 6/10

$1,290

One-way flights from St. Louis to New Delhi
Search for one-way flight options from St. Louis to New Delhi. Find affordable one-way fares based on user searches. Data last updated June 12, 2025.

Tue 7/1512:41 pmSTL - DEL

2 stops21h 49mAmerican Airlines

Deal found 6/12

$353

Fri 7/1810:47 amSTL - DEL

2 stops31h 23mMultiple Airlines

Deal found 6/10

$512

Sat 7/58:54 amSTL - DEL

2 stops26h 06mUnited Airlines

Deal found 6/10

$651

Sat 7/59:15 amSTL - DEL

1 stop24h 30mAir Canada

Deal found 6/12

$696

Cheapflights Fare Finder

Use the filters below to find and compare flights from St. Louis to New Delhi that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisNew Delhi

STL - DEL

STLDEL

Lambert-St Louis

Thu 7/10

9:16 am-12:05 am

2 stops28h 19m

New Delhi Indira Gandhi Intl

Mon 8/11

12:50 am-8:57 pm

2 stops30h 37m

$1,042

St. LouisNew Delhi

STL - DEL

STLDEL

Lambert-St Louis

Tue 7/8

6:33 am-9:30 pm

2 stops28h 27m

New Delhi Indira Gandhi Intl

Tue 8/12

11:35 pm-3:47 pm

2 stops26h 42m

$1,071

St. LouisNew Delhi

STL - DEL

STLDEL

Lambert-St Louis

Sun 6/15

7:50 am-9:00 pm

2 stops26h 40m

New Delhi Indira Gandhi Intl

Tue 6/17

11:30 pm-12:51 pm

2 stops23h 51m

$1,130

St. LouisNew Delhi

STL - DEL

STLDEL

Lambert-St Louis

Sun 7/20

10:47 am-4:40 am

2 stops31h 23m

New Delhi Indira Gandhi Intl

Sat 8/2

1:45 am-9:52 am

3 stops42h 37m

$1,290

St. LouisNew Delhi

STL - DEL

STLDEL

Lambert-St Louis

Tue 7/1

9:15 am-8:15 pm

1 stop24h 30m

New Delhi Indira Gandhi Intl

Sun 7/13

12:05 am-3:16 pm

2 stops49h 41m

$1,361

St. LouisNew Delhi

STL - DEL

STLDEL

Lambert-St Louis

Fri 7/4

12:28 pm-5:20 am

2 stops30h 22m

New Delhi Indira Gandhi Intl

Fri 8/15

7:40 am-11:14 pm

2 stops26h 04m

$1,453

St. LouisNew Delhi

STL - DEL

STLDEL

Lambert-St Louis

Sat 7/5

5:54 pm-1:55 am

2 stops21h 31m

New Delhi Indira Gandhi Intl

Fri 8/8

3:55 am-11:20 pm

2 stops29h 55m

$1,538

St. LouisNew Delhi

STL - DEL

STLDEL

Lambert-St Louis

Sun 6/29

5:30 pm-12:55 am

2 stops44h 55m

New Delhi Indira Gandhi Intl

Sat 7/5

1:45 am-3:47 pm

2 stops24h 32m

$1,561

St. LouisNew Delhi

STL - DEL

STLDEL

Lambert-St Louis

Tue 7/15

12:41 pm-9:00 pm

2 stops21h 49m

$353

St. LouisNew Delhi

STL - DEL

STLDEL

Lambert-St Louis

Fri 7/18

10:47 am-4:40 am

2 stops31h 23m

$512

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 12 results

Best time to book a flight from St. Louis to New Delhi

Have a flexible travel schedule? Discover the best time to fly to New Delhi from St. Louis with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from St. Louis to New Delhi

How far ahead should I book a flight from St. Louis to New Delhi?

The price you pay for your flight from St. Louis to New Delhi may vary depending on when you book. For the best chance of a lower fare, look to book 50 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from St. Louis to New Delhi?

Currently, September is the cheapest month in which you can book a flight from St. Louis to New Delhi (average of $823). Flying from St. Louis to New Delhi in December is currently the most expensive (average of $1,347). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from STL to DEL?

It’s typically best to fly out from St. Louis to New Delhi in the afternoon. Doing so could potentially save you 10% on the flight price compared to flying at noon, which is usually more expensive.

Rainfall in New Delhi by month

In terms of precipitation, rainfall in New Delhi ranges from 0.3 - 9.8 inches per month. August is typically the wettest month, when rainfall can reach 9.8 in. November is typically the driest time to visit New Delhi when rainfall is around 0.3 in.

Temperature in New Delhi by month

If weather is an important factor for your trip to New Delhi, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 93.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 57.2 F).

Reviews of airlines servicing New Delhi

Delta

8.0

Very good

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very good

7,950 reviews

Delta

8.0

Very good

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

KLM

7.8

Good

1,358 reviews

Delta

8.0

Very good

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Finnair

7.6

Good

1,290 reviews

Delta

8.0

Very good

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

United Airlines

7.4

Good

8,790 reviews

Delta

8.0

Very good

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

What are the cheapest airlines flying from St. Louis to New Delhi round-trip?
United Airlines, at $987, was found to be the cheapest airline from St. Louis to New Delhi.Alternate airlines to your destination round-trip include Delta and KLM. United Airlines is 24% cheaper than the average price of flights available within the next 90 days to this destination.
What are the cheapest airlines to fly from St. Louis to New Delhi one-way?
For one-way options, check prices for American Airlines. According to our data, you can fly for as low as $353. Users have also found prices from $651 and $696 on United Airlines and Air Canada, respectively.
Can I find deals for flights from St. Louis to New Delhi that include hotel bookings?
Yes. In addition to deals on St. Louis to New Delhi flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from St. Louis to New Delhi?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to New Delhi.
Can I find deals for business class flights from St. Louis to New Delhi?
Yes. Cheapflights offers flight deals from St. Louis to New Delhi by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from St. Louis to New Delhi?
Currently, September is the cheapest month in which you can book a flight from St. Louis to New Delhi (average of $823). Flying from St. Louis to New Delhi in December is currently the most expensive (average of $1,347). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Faridabad

Noida

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Alternative routes for St. Louis to New Delhi

Kansas City to New Delhi flights

Springfield to New Delhi flights

Columbia to New Delhi flights

Other flights to New Delhi

Top 9 airlines flying from St. Louis to New Delhi

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$823	Average$1,282	FlexibilityNo cancel fee	On-time69%
Qatar Airways	Cheapest$940	Average$1,149	FlexibilityNo cancel fee	On-time68%
American Airlines	Cheapest$967	Average$1,330	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$1,020	Average$1,344	FlexibilityNo cancel fee	On-timeN/A
Lufthansa	Cheapest$1,039	Average$1,319	FlexibilityNo cancel fee	On-time76%
Air Canada	Cheapest$1,079	Average$1,546	FlexibilityNo cancel fee	On-time67%
KLM	Cheapest$1,093	Average$1,411	FlexibilityNo cancel fee	On-time75%
Finnair	Cheapest$1,140	Average$1,333	FlexibilityNo cancel fee	On-time76%
Japan Airlines	Cheapest$1,287	Average$1,341	FlexibilityNo cancel fee	On-time79%

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$353+ Cheap flights from St. Louis (STL) to New Delhi (DEL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/15. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from St. Louis to New Delhi with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Lambert-St Louis to New Delhi Indira Gandhi Intl are usually found in April or February, booked 50 days in advance, depart on a Wednesday or Tuesday and return on a Monday

Cheap flight deals from St. Louis to New Delhi

Round-trip from

One-way from

Popular in

Cheapest in

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Find flight deals from St. Louis to New Delhi

Cheapest flights from St. Louis to New DelhiExplore the most affordable flight options available from St. Louis to New Delhi. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

Explore the most affordable flight options available from St. Louis to New Delhi. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from St. Louis to New Delhi that are best for you.

Best time to book a flight from St. Louis to New Delhi

Have a flexible travel schedule? Discover the best time to fly to New Delhi from St. Louis with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from St. Louis to New Delhi

How far ahead should I book a flight from St. Louis to New Delhi?

Use this chart to determine the optimal time to book a round-trip flight from St. Louis to New Delhi. Price data was last updated on June 9, 2025.

What is the cheapest month to book a flight from St. Louis to New Delhi?

What is the cheapest time of day to fly from STL to DEL?

Find hourly flight availability from St. Louis to New Delhi. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

Rainfall in New Delhi by month

Plan your trip to New Delhi by taking into account the average rainfall totals by month.

Temperature in New Delhi by month

Plan your trip to New Delhi by taking into account the average temperature totals by month.

Reviews of airlines servicing New Delhi

Related info for your journey

Find useful and relevant information for your journey from St. Louis to New Delhi. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What are the cheapest airlines flying from St. Louis to New Delhi round-trip?

What are the cheapest airlines to fly from St. Louis to New Delhi one-way?

Can I find deals for flights from St. Louis to New Delhi that include hotel bookings?

How can I find direct flights from St. Louis to New Delhi?

Can I find deals for business class flights from St. Louis to New Delhi?

What is the cheapest month to book a flight from St. Louis to New Delhi?

Traveling to a place near St. Louis?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for St. Louis to New Delhi

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Top 9 airlines flying from St. Louis to New Delhi

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Cheapest flights from St. Louis to New Delhi
Explore the most affordable flight options available from St. Louis to New Delhi. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.