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Cheap flights from St. Louis to Lucknow from ₹ 77,437

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Lucknow departing on 6/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from St. Louis to Lucknow

Cheap return flights

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Multiple Airlines Logo
STL
-
LKO
20383 kmmulti-stop
Multiple Airlines Logo
LKO
-
STL
20383 kmmulti-stop
Multiple Airlines

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Customise your flight search to find flights from St. Louis to Lucknow 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 59,053 searches. Data last updated 13 July 2026.
Use the filters below to find and compare flights from St. Louis to Lucknow that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest one-way

St. LouisLucknow

STL - LKO

STLLKO

Lambert-St Louis

Fri 6/11

10:35-11:45

3 stops37h 40m

₹ 77,437

St. LouisLucknow

STL - LKO

STLLKO

Lambert-St Louis

Thu 23/7

18:34-07:05

3 stops50h 01m

₹ 77,532

St. LouisLucknow

STL - LKO

STLLKO

Lambert-St Louis

Thu 23/7

06:01-07:05

2 stops38h 34m

₹ 100,011

St. LouisLucknow

STL - LKO

STLLKO

Lambert-St Louis

Fri 17/7

13:27-08:30

3 stops32h 33m

₹ 108,774
Fastest single journey

St. LouisLucknow

STL - LKO

STLLKO

Lambert-St Louis

Fri 6/11

15:40-06:35

2 stops27h 25m

₹ 148,207

St. LouisLucknow

STL - LKO

STLLKO

Lambert-St Louis

Fri 17/7

15:30-13:35

2 stops35h 35m

₹ 208,309

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

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How to get the cheapest flight ticket from St. Louis to Lucknow

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 cheapest airline that flies from Lambert-St Louis to Lucknow Amausi?

Air India and Malaysia Airlines are the most popular carriers operating from Lambert-St Louis to Lucknow Amausi

When to book flights from St. Louis to Lucknow

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

Cheap St. Louis to Lucknow (STL to LKO) flight deals and tips

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

Fastest flight time

32h 33m

Direct flights

None
The fastest flight from St. Louis to Lucknow takes 32h 33m
There are no direct flights from St. Louis to Lucknow. There are no popular flight routes from St. Louis to Lucknow.
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Frequently asked questions about flying from St. Louis to Lucknow

  • How far is Lambert-St Louis to Lucknow Amausi by plane?

    Lucknow Amausi is 12668.9 km away from Lambert-St Louis. A reasonable flight in good conditions will take 32h 33m.

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Lucknow Amausi Airport?

    Prices for flights from Lambert-St Louis Airport to Lucknow Amausi Airport refresh daily.

  • How old do you have to be to fly from Lambert-St Louis Airport to Lucknow Amausi Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Lucknow Amausi Airport.

  • What documentation or ID do you need to fly to Lucknow Amausi Airport?

    The required travel and health documents for your Lucknow Amausi Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Lucknow Amausi Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

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

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

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

momondo does allow users to show only those flights to Lucknow from St. Louis which offer a flexible booking policy as well as other useful filters and features.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from St. Louis to Lucknow.

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

Of course. momondo tracks the price of St. Louis to Lucknow flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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