Question 1

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

Accepted Answer

momondo collates all your flight options in one place and lets you filter them to find the perfect flight to St. Louis. momondo saves you time and could save you money on your trip.

Question 2

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

Accepted Answer

All flight searches to St. Louis on momondo can be filtered to show those which offer flexible booking policies.

Question 3

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

Accepted Answer

momondo helps you find the best flight to St. Louis by providing filters to narrow your choice of flights to those matching your criteria. You can select fights based on numerous factors such as price, departure and landing times, airport and airline.

Question 4

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

Accepted Answer

Yes. momondo can track flight prices for St. Louis and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

Question 5

Is there an alternative airport near St. Louis?

Accepted Answer

Finding an alternative and possibly cheaper destination airport near St. Louis is possible. If you are planning a flight to St. Louis, consider booking flights to Belleville Airport (35 km from St. Louis city centre), Marion Williamson County Airport (142 km from St. Louis city centre) or Springfield Capital Airport (142 km from St. Louis city centre).

Question 6

Which airlines fly to St. Louis?

Accepted Answer

For flights from India to St. Louis, most momondo users will book with popular airlines such as British Airways, KLM, Lufthansa and Finnair. Depending on what airport you fly from, you may have other airlines to choose from.

Question 7

KLM Flights to St. Louis

Accepted Answer

9 KLM flights head to St. Louis on average each week. Most will be flying from Atlanta Hartsfield-Jackson to St. Louis, the most popular route that KLM operates to St. Louis. Prices vary based on when and where you fly from - the cheapest KLM flight to St. Louis found in the past 3 days on momondo was ₹ 93,190, departing from Mumbai Chhatrapati Shivaji Intl. KLM is the most popular choice on momondo for this route and has been scored 7.7/10 by 1,428 of our users.

Question 8

Finnair Flights to St. Louis

Accepted Answer

Finnair (7.6/10, 1,338 reviews) is also a popular choice for flights to St. Louis, with deals from as low as ₹ 90,732 from New Delhi Indira Gandhi Intl, return. With 5 Finnair flights to St. Louis on average each week, prices can vary significantly by origin and availability.

Question 9

When did momondo last update prices for flights to Lambert-St Louis Airport?

Accepted Answer

Prices for flights to Lambert-St Louis Airport are refreshed on a daily basis.

Question 10

How many operators does momondo search for flights to Lambert-St Louis Airport?

Accepted Answer

As of December 2025, there are 4 operators available to choose from for flights to Lambert-St Louis Airport.

Question 11

How old do you have to be to fly to Lambert-St Louis Airport?

Accepted Answer

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel to Lambert-St Louis Airport.

Question 12

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

Accepted Answer

The necessary travel and health documents for your Lambert-St Louis Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Question 13

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

Accepted Answer

According to our data, Monday is the cheapest day to fly to St. Louis from India. The lowest ticket price found for a Monday departure recently was ₹ 113,048. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to St. Louis is Sunday, with ticket prices averaging around ₹ 153,217.

Question 14

How long does it take to fly to St. Louis?

Accepted Answer

The average flight duration from India to St. Louis depends on which airport you fly into and out of. Flying from New Delhi Indira Gandhi Intl to Lambert-St Louis is 30h 28m on average, while flying from Mumbai Chhatrapati Shivaji Intl to Lambert-St Louis is 28h 45m on average. Lambert-St Louis is the most popular airport in St. Louis.

Question 15

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

Accepted Answer

According to our data, the cheapest time of day to fly to St. Louis is in the morning. momondo users have found flights departing from India to St. Louis in the morning for as low as ₹ 106,442. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to St. Louis are more costly in the evening, with an average ticket price of ₹ 124,759. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

Question 16

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

Accepted Answer

In general, January is the cheapest month to fly from India to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around ₹ 83,777. If you are unable to visit St. Louis during the month of January, then departing from India during the month September is also very affordable. Most momondo users find prices during this month for around ₹ 86,129.

CHEAPEST MONTH TO FLY TO ST. LOUIS FROM NEW DELHI	January	23% cheaper	Flying from New Delhi to St. Louis costs on average just ₹ 83,777 in January
MOST EXPENSIVE MONTH TO FLY TO ST. LOUIS FROM NEW DELHI	April	21% more expensive	It costs about ₹ 131,637 for flights to St. Louis from New Delhi in April
MOST POPULAR MONTH TO FLY TO ST. LOUIS FROM NEW DELHI	November	433% more users visited	More momondo users searched in flights to St. Louis from New Delhi in November than any other month

Best One-Way Price	₹ 45,960
Best Round-Trip Price	₹ 76,177
Fastest flight time	26h 29m
Popular in	January

₹ 45,960 Cheap flights to St. Louis

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight to St. Louis departing on 27/1. 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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Frequently asked questions about flying to St. Louis

Is there an alternative airport near St. Louis?

When did momondo last update prices for flights to Lambert-St Louis Airport?

How many operators does momondo search for flights to Lambert-St Louis Airport?

How old do you have to be to fly to Lambert-St Louis Airport?

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

Travelling to a place near St. Louis?

Why use momondo?

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

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

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

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

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