Find flights
Airlines
Travel Guide

₹ 45,365+ Cheap flights to St. Louis

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 23/2. Fares are subject to change and may not be available on all flights or dates of travel.
— STL
22 Nov — 29 Nov1
1 adult
1 adult, Economy, 0 bags

Find flight deals to St. Louis

Enter your travel dates to find the best prices.

Cheapest flights to St. Louis
Explore the most affordable flight options available to St. Louis. Find the lowest fares based on data from user searches, with prices last updated on 23 October 2025.

Wed 19/1103:20DEL - STL
2 stops27h 39mBritish Airways
Sun 28/1214:50STL - DEL
2 stops22h 55mBritish Airways
Deal found 21/10₹ 92,923
Wed 5/1103:20DEL - STL
2 stops29h 48mDelta
Mon 10/1116:30STL - DEL
2 stops21h 10mDelta
Deal found 22/10₹ 100,732
Thu 20/1107:50DEL - STL
2 stops47h 10mFinnair
Sun 28/1211:41STL - DEL
2 stops30h 54mFinnair
Deal found 23/10₹ 104,944
Sat 6/1207:50DEL - STL
2 stops47h 07mMultiple Airlines
Sat 13/1217:30STL - DEL
2 stops49h 05mMultiple Airlines
Deal found 21/10₹ 106,260
Thu 6/1123:55DEL - STL
2 stops25h 59mUnited Airlines
Mon 10/1113:10STL - DEL
2 stops21h 10mUnited Airlines
Deal found 20/10₹ 106,436
Wed 19/1101:30DEL - STL
2 stops26h 07mDelta
Sun 28/1206:00STL - DEL
2 stops30h 00mDelta
Deal found 23/10₹ 118,983
Thu 20/1123:55DEL - STL
1 stop22h 16mUnited Airlines
Sun 28/1208:05STL - DEL
2 stops26h 15mUnited Airlines
Deal found 23/10₹ 119,510

Flights to St. Louis in 2025

Find the latest flights to St. Louis in 2025, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 454,620 searches and data was last updated on 23 October 2025.

Return from

₹ 92,923

One-way from

₹ 45,365

Popular in

April

Cheapest in

January

Average price

₹ 108,454
British Airways
  • British Airways
  • 19/11-28/12
  • 4 total stops
  • 48h 59m total
  • New Delhi to St. Louis
Search Deals
23/2
  • 23/2
  • 3 total stops
  • 53h 12m total
  • New Delhi to St. Louis
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (₹ 14,317 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (₹ 2,079 potential savings vs. average return price).
Search Deals
Average for return flights in October 2025
Search Deals

Cheapflights Fare Finder

 
Locate flights to St. Louis that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 454,620 searches and data was last updated on 23 October 2025.
Use the filters below to find and compare flights to St. Louis that are best for you.

Fly from

New Delhi

Route

Depart

Return

Price

New DelhiSt. Louis

DEL - STL

DELSTL

New Delhi Indira Gandhi Intl

Wed 19/11

03:20-19:29

2 stops27h 39m

Lambert-St Louis

Sun 28/12

14:50-01:15

2 stops22h 55m

₹ 92,923

New DelhiSt. Louis

DEL - STL

DELSTL

New Delhi Indira Gandhi Intl

Wed 5/11

03:20-21:38

2 stops29h 48m

Lambert-St Louis

Mon 10/11

16:30-01:10

2 stops21h 10m

₹ 100,732

New DelhiSt. Louis

DEL - STL

DELSTL

New Delhi Indira Gandhi Intl

Sat 6/12

07:50-19:27

2 stops47h 07m

Lambert-St Louis

Sat 13/12

17:30-06:05

2 stops49h 05m

₹ 106,260

New DelhiSt. Louis

DEL - STL

DELSTL

New Delhi Indira Gandhi Intl

Thu 6/11

23:55-10:41

1 stop22h 16m

Lambert-St Louis

Mon 10/11

13:10-21:50

2 stops21h 10m

₹ 106,436

New DelhiSt. Louis

DEL - STL

DELSTL

New Delhi Indira Gandhi Intl

Mon 23/2

16:20-10:02

3 stops53h 12m

₹ 45,365

New DelhiSt. Louis

DEL - STL

DELSTL

New Delhi Indira Gandhi Intl

Sun 23/11

20:55-14:29

2 stops53h 04m

₹ 47,383

New DelhiSt. Louis

DEL - STL

DELSTL

New Delhi Indira Gandhi Intl

Fri 20/2

03:00-09:47

3 stops42h 17m

₹ 51,595

New DelhiSt. Louis

DEL - STL

DELSTL

New Delhi Indira Gandhi Intl

Sun 22/2

20:55-22:33

3 stops37h 08m

₹ 53,349

New DelhiSt. Louis

DEL - STL

DELSTL

New Delhi Indira Gandhi Intl

Sun 7/12

06:15-23:42

2 stops28h 57m

₹ 53,788

New DelhiSt. Louis

DEL - STL

DELSTL

New Delhi Indira Gandhi Intl

Fri 7/11

01:30-21:23

2 stops31h 23m

₹ 53,876

Flights are sorted by cheapest return flights first.

Deals found on 22/10

Showing 1-10 of 12 results
1
2

Best time to book a flight to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis 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 to St. Louis

What are the cheapest airlines that fly to St. Louis?

The cheapest airlines flying from New Delhi to St. Louis are British Airways, Finnair and KLM.

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 23 October 2025.
Check out reviews from past customers who have flown KLM, Finnair, andUnited Airlines to the United States to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,405 reviews
Check prices

Comfort

7.6

Boarding

7.8

Entertainment

7.1

Crew

8.4

Overall

7.7

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
KLM
7.7
Good
1,405 reviews
KLM
7.7
Good
1,405 reviews
Check prices

Comfort

7.6

Boarding

7.8

Entertainment

7.1

Crew

8.4

Overall

7.7

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Finnair
7.6
Good
1,333 reviews
KLM
7.7
Good
1,405 reviews
Check prices

Comfort

7.6

Boarding

7.8

Entertainment

7.1

Crew

8.4

Overall

7.7

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
United Airlines
7.4
Good
8,995 reviews
KLM
7.7
Good
1,405 reviews
Check prices

Comfort

7.6

Boarding

7.8

Entertainment

7.1

Crew

8.4

Overall

7.7

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
British Airways
6.7
Okay
7,468 reviews
KLM
7.7
Good
1,405 reviews
Check prices

Comfort

7.6

Boarding

7.8

Entertainment

7.1

Crew

8.4

Overall

7.7

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

FAQs about flying to St. Louis

  • What airport do you fly into for flights to St. Louis?

    Lambert-St Louis (STL), located 20.4 km from the city centre, is the airport you fly into when you book flights to St. Louis.

  • Can I find cheaper flights to St. Louis if I am willing to have stopovers?

    Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to St. Louis on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to St. Louis?

    Based on reviews from Cheapflights users, British Airways is rated the highest out of the airlines that fly to St. Louis.

  • What is the cheapest airport to fly to in St. Louis?

    Lambert-St Louis is currently the cheapest airport to fly to in St. Louis. One-way flights to Lambert-St Louis typically cost ₹ 10,045, while return flights cost around ₹ 32,673.

  • How much is a return flight to St. Louis?

    A return flight to St. Louis will typically cost around ₹ 32,673, however they can be found for as little as ₹ 32,673.

  • Where does the fastest flight to St. Louis depart from?

    For those looking to save time traveling to St. Louis, New Delhi Indira Gandhi Intl offers the quickest one-way flight (25 hours 59 minutes).

  • Does Lambert-St Louis have rental cars?

    Yes. Those touching down at Lambert-St Louis can take advantage of the car hire services offered upon their arrival.

  • Are there hotels close to Lambert-St Louis?

    Yes. Lambert-St Louis has hotels nearby for those requiring accommodations. Hampton Inn St. Louis-Airport is the closest property to Lambert-St Louis (0.0 km away from Lambert-St Louis).

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.

Search flights to St. Louis by cabin class

Find flights to St. Louis, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy class

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 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 today with Cheapflights!

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights to St. Louis.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights to St. Louis, users can toggle the no change fees filter when performing a flight search.

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

Yes, and it’s super simple to set up Price Alerts. Click the bell icon next to the flight deals above and provide your email address. That’s it!

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.