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Cheap flights from New Delhi to St. Louis from ₹ 51,389

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 29/4. Fares are subject to change and may not be available on all flights or dates of travel.
DEL — STL
16 Feb — 23 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap 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 17 January 2026.

Round-trip from

₹ 77,129

One-way from

₹ 51,389

Popular in

December

Cheapest in

January

Average price

₹ 85,195
25/3-25/5
  • 25/3-25/5
  • 4 total stops
  • 67h 04m total
  • New Delhi to St. Louis
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Finnair
  • Finnair
  • 29/4
  • 2 total stops
  • 25h 04m total
  • New Delhi to St. Louis
Search Deals
Highest demand for flights based on searches. 0% potential increase in price (₹ 23,206 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (₹ 295,097 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
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Find 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 17 January 2026.

Wed 25/306:15
DEL
-
STL
2 stops43h 44m
Multiple Airlines
Mon 25/514:20
STL
-
DEL
2 stops23h 20m
Multiple Airlines
Deal found 13/1₹ 77,129
Tue 17/303:20
DEL
-
STL
2 stops30h 58m
British Airways
Sun 22/311:09
STL
-
DEL
2 stops35h 06m
British Airways
Deal found 13/1₹ 92,989
Fri 29/502:00
DEL
-
STL
2 stops28h 35m
Multiple Airlines
Tue 21/715:30
STL
-
DEL
1 stop22h 55m
Multiple Airlines
Deal found 16/1₹ 93,261
Sun 10/507:40
DEL
-
STL
2 stops26h 38m
Multiple Airlines
Fri 29/513:11
STL
-
DEL
2 stops29h 39m
Multiple Airlines
Deal found 15/1₹ 93,896
Thu 12/207:50
DEL
-
STL
2 stops67h 08m
Multiple Airlines
Thu 19/218:50
STL
-
DEL
2 stops47h 45m
Multiple Airlines
Deal found 15/1₹ 95,346
Sun 25/101:30
DEL
-
STL
2 stops31h 38m
Delta
Sat 28/211:30
STL
-
DEL
2 stops24h 30m
Delta
Deal found 16/1₹ 97,340
Thu 12/223:55
DEL
-
STL
1 stop33h 11m
American Airlines
Thu 19/211:41
STL
-
DEL
1 stop22h 24m
American Airlines
Deal found 15/1₹ 105,406
Sun 1/307:50
DEL
-
STL
2 stops51h 02m
Multiple Airlines
Sun 8/307:00
STL
-
DEL
2 stops36h 35m
Multiple Airlines
Deal found 15/1₹ 105,587

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 17 January 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

Tue 17/3

03:20-23:48

2 stops30h 58m

Lambert-St Louis

Sun 22/3

11:09-08:45

2 stops35h 06m

₹ 92,989

New DelhiSt. Louis

DEL - STL

DELSTL

New Delhi Indira Gandhi Intl

Fri 29/5

02:00-20:05

2 stops28h 35m

Lambert-St Louis

Tue 21/7

15:30-00:55

1 stop22h 55m

₹ 93,261

New DelhiSt. Louis

DEL - STL

DELSTL

New Delhi Indira Gandhi Intl

Sun 25/1

01:30-21:38

2 stops31h 38m

Lambert-St Louis

Sat 28/2

11:30-23:30

2 stops24h 30m

₹ 97,340

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

11:25-21:00

2 stops23h 05m

₹ 113,744

New DelhiSt. Louis

DEL - STL

DELSTL

New Delhi Indira Gandhi Intl

Mon 26/1

23:55-10:41

1 stop22h 16m

Lambert-St Louis

Sat 28/2

11:25-21:50

2 stops22h 55m

₹ 114,651

New DelhiSt. Louis

DEL - STL

DELSTL

New Delhi Indira Gandhi Intl

Mon 26/1

23:30-15:29

1 stop27h 29m

Lambert-St Louis

Sat 28/2

16:05-22:00

1 stop18h 25m

₹ 155,889

New DelhiSt. Louis

DEL - STL

DELSTL

New Delhi Indira Gandhi Intl

Wed 29/4

07:40-22:14

2 stops25h 04m

₹ 51,389

New DelhiSt. Louis

DEL - STL

DELSTL

New Delhi Indira Gandhi Intl

Tue 24/3

07:50-19:29

2 stops46h 09m

₹ 53,473

New DelhiSt. Louis

DEL - STL

DELSTL

New Delhi Indira Gandhi Intl

Thu 26/3

04:25-09:49

3 stops39h 54m

₹ 60,996

New DelhiSt. Louis

DEL - STL

DELSTL

New Delhi Indira Gandhi Intl

Wed 28/1

22:45-23:59

2 stops36h 44m

₹ 66,071

Flights are sorted by cheapest return flights first.

Deals found on 13/1

Showing 1-10 of 16 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, February is the cheapest month in which you can book a flight from New Delhi to St. Louis (average of ₹ 79,666). Flying from New Delhi to St. Louis in December is currently the most expensive (average of ₹ 150,541). 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.

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 17 January 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
1,441 reviews
Check prices

Food

7.3

Overall

7.7

Comfort

7.6

Boarding

7.8

Crew

8.4

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
KLM
7.7
Good
1,441 reviews
KLM
7.7
Good
1,441 reviews
Check prices

Food

7.3

Overall

7.7

Comfort

7.6

Boarding

7.8

Crew

8.4

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
Finnair
7.6
Good
1,351 reviews
KLM
7.7
Good
1,441 reviews
Check prices

Food

7.3

Overall

7.7

Comfort

7.6

Boarding

7.8

Crew

8.4

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
British Airways
6.7
Okay
7,684 reviews
KLM
7.7
Good
1,441 reviews
Check prices

Food

7.3

Overall

7.7

Comfort

7.6

Boarding

7.8

Crew

8.4

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.

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?

    British Airways and Delta can get you from New Delhi to St. Louis in just under 30h 58m. Your travel time can differ by up to 40m. Airlines will cover a distance of 12410 km. This flight may include one or multiple stops.

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

    Currently priced at ₹ 82,245, 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 ₹ 90,893 and ₹ 93,356, respectively. British Airways is 28% 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, February is the cheapest month in which you can book a flight from New Delhi to St. Louis (average of ₹ 79,666). Flying from New Delhi to St. Louis in December is currently the most expensive (average of ₹ 150,541). 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

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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 17 January 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest₹ 82,245Average₹ 101,682FlexibilityNo cancel feeOn-time70%
Search British Airways flights
FinnairCheapest₹ 90,893Average₹ 102,260FlexibilityNo cancel feeOn-time76%
Search Finnair flights
KLMCheapest₹ 93,356Average₹ 131,779FlexibilityNo cancel feeOn-time75%
Search KLM flights

Fly with Cheapflights

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

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

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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?

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