Find flights
When to book
Airlines
FAQs

Cheap flights from New Delhi to St. Louis from ₹ 46,888

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 21/4. Fares are subject to change and may not be available on all flights or dates of travel.
DEL — STL
26 Mar — 2 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from New Delhi to St. Louis

Enter your travel dates to find the best prices.

Cheapest flights from New Delhi to St. Louis
Explore the most affordable flight options available from New Delhi to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 24 February 2026.

Fri 8/513:30
DEL
-
STL
2 stops41h 04m
Multiple Airlines
Sat 12/914:40
STL
-
DEL
2 stops23h 00m
Multiple Airlines
Deal found 23/2₹ 81,873
Tue 5/507:40
DEL
-
STL
2 stops46h 20m
Finnair
Sat 12/916:29
STL
-
DEL
2 stops26h 21m
Finnair
Deal found 23/2₹ 90,142
Tue 5/507:40
DEL
-
STL
2 stops26h 49m
Finnair
Sun 13/916:29
STL
-
DEL
2 stops26h 21m
Finnair
Deal found 23/2₹ 92,959
Sun 10/507:40
DEL
-
STL
2 stops25h 09m
Finnair
Fri 29/517:03
STL
-
DEL
2 stops25h 47m
Finnair
Deal found 23/2₹ 93,504
Mon 6/407:40
DEL
-
STL
2 stops26h 55m
Multiple Airlines
Mon 13/417:21
STL
-
DEL
2 stops25h 29m
Multiple Airlines
Deal found 20/2₹ 95,958
Tue 5/507:40
DEL
-
STL
2 stops46h 20m
Finnair
Wed 9/912:11
STL
-
DEL
2 stops30h 39m
Finnair
Deal found 23/2₹ 96,139
Wed 6/523:35
DEL
-
STL
1 stop21h 39m
United Airlines
Wed 9/906:15
STL
-
DEL
2 stops28h 45m
United Airlines
Deal found 23/2₹ 104,317
Tue 5/507:40
DEL
-
STL
2 stops25h 09m
Finnair
Thu 10/916:29
STL
-
DEL
2 stops26h 21m
Finnair
Deal found 23/2₹ 105,408
Thu 7/502:50
DEL
-
STL
1 stop21h 05m
Lufthansa
Sun 13/915:30
STL
-
DEL
1 stop22h 55m
Lufthansa
Deal found 23/2₹ 105,680
Fri 10/415:55
DEL
-
STL
2 stops38h 44m
Multiple Airlines
Fri 17/407:05
STL
-
DEL
2 stops38h 20m
Multiple Airlines
Deal found 23/2₹ 107,498

Find flight deals from New Delhi to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from New Delhi (DEL) to St. Louis (STL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 24 February 2026.

Round-trip from

₹ 81,873

One-way from

₹ 46,888

Popular in

December

Cheapest in

January

Average price

₹ 137,121
8/5-12/9
  • 8/5-12/9
  • 4 total stops
  • 64h 04m total
  • New Delhi to St. Louis
Search Deals
21/4
  • 21/4
  • 3 total stops
  • 53h 05m total
  • New Delhi to St. Louis
Search Deals
High demand for flights, 0% potential price rise
Search Deals
Cheapest flight prices on average. 2% potential price decrease (₹ 290,660 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customise 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, Cheapflights users made 454,620 searches. Data last updated 24 February 2026.
Use the filters below to find and compare flights from New Delhi to St. Louis that are best for you.

Fly from

New Delhi

Fly to

St. Louis

Route

Depart

Return

Price

New DelhiSt. Louis

DEL - STL

DELSTL

New Delhi Indira Gandhi Intl

Thu 7/5

07:40-22:19

2 stops25h 09m

Lambert-St Louis

Mon 14/9

06:41-05:20

2 stops36h 09m

₹ 90,142

New DelhiSt. Louis

DEL - STL

DELSTL

New Delhi Indira Gandhi Intl

Sun 10/5

07:40-22:19

2 stops25h 09m

Lambert-St Louis

Fri 29/5

17:03-05:20

2 stops25h 47m

₹ 93,504

New DelhiSt. Louis

DEL - STL

DELSTL

New Delhi Indira Gandhi Intl

Fri 10/4

15:55-20:09

2 stops38h 44m

Lambert-St Louis

Fri 17/4

07:05-07:55

2 stops38h 20m

₹ 107,498

New DelhiSt. Louis

DEL - STL

DELSTL

New Delhi Indira Gandhi Intl

Sat 9/5

02:50-13:25

1 stop21h 05m

Lambert-St Louis

Fri 29/5

13:13-23:55

2 stops24h 12m

₹ 117,221

New DelhiSt. Louis

DEL - STL

DELSTL

New Delhi Indira Gandhi Intl

Sun 5/4

02:15-22:56

1 stop31h 11m

Lambert-St Louis

Mon 13/4

07:45-16:00

1 stop21h 45m

₹ 129,579

New DelhiSt. Louis

DEL - STL

DELSTL

New Delhi Indira Gandhi Intl

Thu 9/4

02:50-13:25

1 stop21h 05m

Lambert-St Louis

Fri 17/4

13:10-23:55

2 stops24h 15m

₹ 130,579

New DelhiSt. Louis

DEL - STL

DELSTL

New Delhi Indira Gandhi Intl

Mon 11/5

23:35-10:44

1 stop21h 39m

Lambert-St Louis

Sun 13/9

16:48-21:30

1 stop18h 12m

₹ 139,665

New DelhiSt. Louis

DEL - STL

DELSTL

New Delhi Indira Gandhi Intl

Mon 6/4

23:35-10:56

1 stop21h 51m

Lambert-St Louis

Mon 13/4

13:10-21:30

2 stops21h 50m

₹ 139,756

New DelhiSt. Louis

DEL - STL

DELSTL

New Delhi Indira Gandhi Intl

Wed 18/3

23:00-10:44

1 stop22h 14m

Lambert-St Louis

Sun 22/3

12:15-21:00

2 stops22h 15m

₹ 139,847

New DelhiSt. Louis

DEL - STL

DELSTL

New Delhi Indira Gandhi Intl

Wed 27/5

07:40-08:53

2 stops35h 43m

₹ 53,613

Flights are sorted by cheapest return flights first.

Deals found on 21/2

Showing 1-10 of 18 results
1
2

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

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

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

Currently, October is the cheapest month in which you can book a flight from New Delhi to St. Louis (average of ₹ 80,510). Flying from New Delhi to St. Louis in December is currently the most expensive (average of ₹ 150,933). 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.

How much does it cost for a return flight from New Delhi to St. Louis?

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to St. Louis. Reviews last updated 24 February 2026.
See what other customers who have flown with KLM, Finnair, andBritish Airways from New Delhi to St. Louis have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,460 reviews
Check prices

Boarding

7.8

Food

7.3

Entertainment

7.1

Overall

7.7

Crew

8.4

Comfort

7.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
KLM
7.7
Good
1,460 reviews
KLM
7.7
Good
1,460 reviews
Check prices

Boarding

7.8

Food

7.3

Entertainment

7.1

Overall

7.7

Crew

8.4

Comfort

7.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Finnair
7.6
Good
1,367 reviews
KLM
7.7
Good
1,460 reviews
Check prices

Boarding

7.8

Food

7.3

Entertainment

7.1

Overall

7.7

Crew

8.4

Comfort

7.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
British Airways
6.7
Okay
7,762 reviews
KLM
7.7
Good
1,460 reviews
Check prices

Boarding

7.8

Food

7.3

Entertainment

7.1

Overall

7.7

Crew

8.4

Comfort

7.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

Related info for your journey

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

  • How long is the flight from New Delhi to St. Louis?

    Finnair can get you from New Delhi to St. Louis in just under 25h 09m. Your travel time can differ by up to . Airlines will cover a distance of 12410 km.

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

    Currently priced at ₹ 85,429, British Airways will fly you from New Delhi to St. Louis and back. In addition to British Airways, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Finnair and KLM - these airlines can fly you to your destination from ₹ 90,118 and ₹ 93,599, respectively. British Airways is 26% cheaper than the average price of flights available within the next 90 days to this destination.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from New Delhi to St. Louis 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 New Delhi to St. Louis?

    Currently, October is the cheapest month in which you can book a flight from New Delhi to St. Louis (average of ₹ 80,510). Flying from New Delhi to St. Louis in December is currently the most expensive (average of ₹ 150,933). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for New Delhi to St. Louis

See prices for flight routes from nearby airports that may be better suited for you.
New Delhi to Kansas City flights

Top 3 airlines flying from New Delhi to St. Louis

Discover the top 3 airlines that operate flights from New Delhi to St. Louis. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 454,620 searches. Data last updated 24 February 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest₹ 85,429Average₹ 101,947FlexibilityNo cancel feeOn-time70%
Search British Airways flights
FinnairCheapest₹ 90,118Average₹ 102,063FlexibilityNo cancel feeOn-time76%
Search Finnair flights
KLMCheapest₹ 93,599Average₹ 132,122FlexibilityNo cancel feeOn-time75%
Search KLM flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from New Delhi to St. Louis?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to St. Louis from New Delhi today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from New Delhi to St. Louis?

Cheapflights helps you find that perfect flight to St. Louis from New Delhi by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from New Delhi to St. Louis with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from New Delhi to St. Louis flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from New Delhi to St. Louis become cheaper?

Of course! You can now track prices for flights from New Delhi to St. Louis and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book With Flexibility

Our users can plan ahead with confidence and find flights with no change fees.

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.