Cheap flights from New Delhi to St. Louis from $508

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from New Delhi to St. Louis departing on 1/27. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:40 am - 11:24 pm
DEL
-
STL
26h 14m2 stops
Multiple Airlines Logo
4:23 pm - 5:20 am
STL
-
DEL
26h 27m2 stops
$996Multiple Airlines
Sun, May 10 - Fri, May 29
Multiple Airlines Logo
9:15 pm - 5:13 pm
DEL
-
STL
30h 28m2 stops
Multiple Airlines Logo
7:34 am - 7:20 pm
STL
-
DEL
25h 16m2 stops
$1,078Multiple Airlines
Sun, May 10 - Fri, May 29
Finnair Logo
7:50 am - 7:42 pm
DEL
-
STL
46h 22m2 stops
Finnair Logo
11:22 am - 6:05 am
STL
-
DEL
32h 13m2 stops
$1,079Finnair
Fri, Mar 20 - Mon, Mar 23
Finnair Logo
7:50 am - 7:42 pm
DEL
-
STL
46h 22m2 stops
Finnair Logo
11:22 am - 6:05 am
STL
-
DEL
32h 13m2 stops
$1,081Finnair
Fri, Mar 20 - Mon, Mar 23
Multiple Airlines Logo
3:15 pm - 3:29 pm
DEL
-
STL
59h 44m2 stops
Multiple Airlines Logo
2:20 pm - 12:10 am
STL
-
DEL
23h 20m2 stops
$1,127Multiple Airlines
Fri, Jan 9 - Thu, May 7
Finnair Logo
7:40 am - 6:17 pm
DEL
-
STL
45h 07m2 stops
Finnair Logo
2:02 pm - 5:20 am
STL
-
DEL
28h 48m2 stops
$1,131Finnair
Fri, May 8 - Fri, May 29
Multiple Airlines Logo
2:50 am - 1:25 pm
DEL
-
STL
21h 05m1 stop
Multiple Airlines Logo
1:00 pm - 11:55 pm
STL
-
DEL
24h 25m2 stops
$1,232Multiple Airlines
Thu, May 7 - Fri, May 29
Multiple Airlines Logo
2:50 am - 1:25 pm
DEL
-
STL
21h 05m1 stop
Multiple Airlines Logo
1:00 pm - 11:55 pm
STL
-
DEL
24h 25m2 stops
$1,341Multiple Airlines
Sat, May 9 - Fri, May 29
Multiple Airlines Logo
2:50 am - 1:25 pm
DEL
-
STL
21h 05m1 stop
Multiple Airlines Logo
1:00 pm - 11:55 pm
STL
-
DEL
24h 25m2 stops
$1,342Multiple Airlines
Sat, May 9 - Fri, May 29
United Airlines Logo
11:30 pm - 3:29 pm
DEL
-
STL
26h 29m1 stop
United Airlines Logo
11:25 am - 9:10 pm
STL
-
DEL
23h 15m2 stops
$1,536United Airlines
Fri, Mar 20 - Mon, Mar 23

Finnair flights from New Delhi to St. Louis

Our best Finnair deals on New Delhi to St. Louis flight tickets
Finnair
Mar 20
DEL7:50 amNew Delhi Indira Gandhi Intl
46h 22m
2 stops
STL7:42 pmLambert-St Louis
Mar 23
STL11:22 amLambert-St Louis
32h 13m
2 stops
DEL6:05 amNew Delhi Indira Gandhi Intl
Finnair
Mar 20
DEL7:50 amNew Delhi Indira Gandhi Intl
46h 22m
2 stops
STL7:42 pmLambert-St Louis
Mar 23
STL11:22 amLambert-St Louis
32h 13m
2 stops
DEL6:05 amNew Delhi Indira Gandhi Intl
Finnair
Mar 20
DEL7:50 amNew Delhi Indira Gandhi Intl
46h 22m
2 stops
STL7:42 pmLambert-St Louis
Mar 23
STL11:22 amLambert-St Louis
32h 13m
2 stops
DEL6:05 amNew Delhi Indira Gandhi Intl

United Airlines flights from New Delhi to St. Louis

Our best United Airlines deals on New Delhi to St. Louis flight tickets
United Airlines
Mar 20
DEL11:30 pmNew Delhi Indira Gandhi Intl
26h 29m
1 stop
STL3:29 pmLambert-St Louis
Mar 23
STL11:25 amLambert-St Louis
23h 15m
2 stops
DEL9:10 pmNew Delhi Indira Gandhi Intl
United Airlines
Mar 20
DEL11:30 pmNew Delhi Indira Gandhi Intl
26h 29m
1 stop
STL3:29 pmLambert-St Louis
Mar 23
STL11:25 amLambert-St Louis
23h 15m
2 stops
DEL9:10 pmNew Delhi Indira Gandhi Intl
United Airlines
Mar 20
DEL11:30 pmNew Delhi Indira Gandhi Intl
26h 29m
1 stop
STL3:29 pmLambert-St Louis
Mar 23
STL4:05 pmLambert-St Louis
19h 25m
1 stop
DEL10:00 pmNew Delhi Indira Gandhi Intl

momondo Fare Finder

 
Customize your flight search to find flights from New Delhi to St. Louis that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated December 18, 2025.
Use the filters below to find and compare flights from New Delhi to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

New DelhiSt. Louis

DEL - STL

DELSTL

New Delhi Indira Gandhi Intl

Sun 5/10

7:40 am-11:24 pm

2 stops26h 14m

Lambert-St Louis

Fri 5/29

4:23 pm-5:20 am

2 stops26h 27m

$996

New DelhiSt. Louis

DEL - STL

DELSTL

New Delhi Indira Gandhi Intl

Sun 5/10

9:15 pm-5:13 pm

2 stops30h 28m

Lambert-St Louis

Fri 5/29

7:34 am-7:20 pm

2 stops25h 16m

$1,078

New DelhiSt. Louis

DEL - STL

DELSTL

New Delhi Indira Gandhi Intl

Fri 3/20

7:50 am-7:42 pm

2 stops46h 22m

Lambert-St Louis

Mon 3/23

11:22 am-6:05 am

2 stops32h 13m

$1,079

New DelhiSt. Louis

DEL - STL

DELSTL

New Delhi Indira Gandhi Intl

Fri 3/20

7:50 am-7:42 pm

2 stops46h 22m

Lambert-St Louis

Mon 3/23

11:22 am-6:05 am

2 stops32h 13m

$1,081

New DelhiSt. Louis

DEL - STL

DELSTL

New Delhi Indira Gandhi Intl

Fri 1/9

3:15 pm-3:29 pm

2 stops59h 44m

Lambert-St Louis

Thu 5/7

2:20 pm-12:10 am

2 stops23h 20m

$1,127

New DelhiSt. Louis

DEL - STL

DELSTL

New Delhi Indira Gandhi Intl

Fri 5/8

7:40 am-6:17 pm

2 stops45h 07m

Lambert-St Louis

Fri 5/29

2:02 pm-5:20 am

2 stops28h 48m

$1,131

New DelhiSt. Louis

DEL - STL

DELSTL

New Delhi Indira Gandhi Intl

Thu 5/7

2:50 am-1:25 pm

1 stop21h 05m

Lambert-St Louis

Fri 5/29

1:00 pm-11:55 pm

2 stops24h 25m

$1,232

New DelhiSt. Louis

DEL - STL

DELSTL

New Delhi Indira Gandhi Intl

Sat 5/9

2:50 am-1:25 pm

1 stop21h 05m

Lambert-St Louis

Fri 5/29

1:00 pm-11:55 pm

2 stops24h 25m

$1,341

New DelhiSt. Louis

DEL - STL

DELSTL

New Delhi Indira Gandhi Intl

Sat 5/9

2:50 am-1:25 pm

1 stop21h 05m

Lambert-St Louis

Fri 5/29

1:00 pm-11:55 pm

2 stops24h 25m

$1,342

New DelhiSt. Louis

DEL - STL

DELSTL

New Delhi Indira Gandhi Intl

Fri 3/20

11:30 pm-3:29 pm

1 stop26h 29m

Lambert-St Louis

Mon 3/23

11:25 am-9:10 pm

2 stops23h 15m

$1,536

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to St. Louis from

How to get the cheapest flight ticket from New Delhi to St. Louis

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between New Delhi and St. Louis?

What is the cheapest month to fly to St. Louis?

In general, January is the cheapest month to fly from New Delhi to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $926. The month of September is another great option to travel to St. Louis, with average flight prices from New Delhi averaging around $952.

What is the cheapest day to depart on your flight to St. Louis?

The cheapest day to depart on your flight to St. Louis is on a Monday when prices can be found for as low as $1,139. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $1,510. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.

What is the cheapest time of day to depart on your flight to St. Louis?

Flying to St. Louis from New Delhi in the evening is the least expensive time of day to depart. momondo users have found prices as low as $1,248 when looking at flights departing in the evening. In the morning is when there is more demand to fly to St. Louis, so prices are often more expensive at around $1,445 per ticket.

What is the cheapest New Delhi Indira Gandhi Intl to Lambert-St Louis flight route?

Fly from New Delhi Indira Gandhi Intl to Lambert-St Louis for the best New Delhi Indira Gandhi Intl - Lambert-St Louis flight prices

What cabin class options are available on New Delhi Indira Gandhi Intl to Lambert-St Louis flights?

There is only 1 cabin class available to choose from on New Delhi Indira Gandhi Intl to Lambert-St Louis flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on New Delhi to St. Louis flights?

You could potentially save up to 9% on your flight if you consider stops on a New Delhi to St. Louis flight.

How have New Delhi to St. Louis flight prices changed over time?

As of December 2025, prices for New Delhi to St. Louis flights are approximately 16% cheaper when compared to flights at the same time last year.

When to book flights from New Delhi to St. Louis

Are you open to changing your travel dates? Check out the ideal times to fly from New Delhi to St. Louis according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap New Delhi to St. Louis (DEL to STL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from New Delhi to St. Louis

Fastest flight time

26h 14m

Direct flights

None
The fastest flight from New Delhi to St. Louis takes 26h 14m
There are no direct flights from New Delhi to St. Louis. There are no popular flight routes from New Delhi to St. Louis.
  • How far is New Delhi Indira Gandhi Intl to Lambert-St Louis by plane?

    There are 7715.1 mi between New Delhi Indira Gandhi Intl and Lambert-St Louis. In terms of flight time, this usually takes a little over 26h 14m.

  • When did momondo last update prices for flights from New Delhi Indira Gandhi Intl Airport to Lambert-St Louis Airport?

    Prices for flights from New Delhi Indira Gandhi Intl Airport to Lambert-St Louis Airport are updated daily.

  • How many operators does momondo search for flights from New Delhi Indira Gandhi Intl Airport to Lambert-St Louis Airport?

  • How old do you have to be to fly from New Delhi Indira Gandhi Intl Airport to Lambert-St Louis Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from New Delhi Indira Gandhi Intl Airport to Lambert-St Louis Airport.

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The travel and health documents required for your trip to Lambert-St Louis Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Lambert-St Louis Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from New Delhi to St. Louis?

Best airlines flying from New Delhi to St. Louis

Compare and see reviews for airlines that fly from New Delhi to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom $824Free CancellationRating
6.7
7,585 reviews
Search British Airways flights
LufthansaPriceFrom $1,205Free CancellationRating
6.8
7,635 reviews
Search Lufthansa flights

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Chesterfield
Hermann
Fairview Heights
Maryland Heights
O'Fallon
Florissant
Fenton
Wentzville
St. Peters
Collinsville
Alton
Clayton
Festus
Glencoe
Farmington
Eureka
Edwardsville
Litchfield
Shrewsbury

Why use momondo?

Why should I use momondo to find a flight deal from New Delhi to St. Louis?

It is quick and easy to find New Delhi to St. Louis flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to St. Louis that suits you.

Can I find flights from New Delhi to St. Louis with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for New Delhi to St. Louis flights to just show those with flexible booking policies.

How can momondo help me find flights from New Delhi to St. Louis?

Once you have performed a search for New Delhi to St. Louis flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from New Delhi to St. Louis right now. Can momondo alert me if prices change?

Price alerts on flights to St. Louis from New Delhi are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your St. Louis trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Sat 1/17
Sat 1/24

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