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Cheap flights from St. Louis to Lucknow from $813

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 11/6. 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 round-trip flights

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STL
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LKO
7870 mimulti-stop
Multiple Airlines Logo
LKO
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STL
7870 mimulti-stop
Multiple Airlines

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Customize 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 832,500 searches. Data last updated July 14, 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 11/6

10:35 am-11:45 am

3 stops37h 40m

$813

St. LouisLucknow

STL - LKO

STLLKO

Lambert-St Louis

Thu 7/23

6:34 pm-7:05 am

3 stops50h 01m

$814

St. LouisLucknow

STL - LKO

STLLKO

Lambert-St Louis

Thu 7/23

6:01 am-7:05 am

2 stops38h 34m

$1,050
Quickest one-way

St. LouisLucknow

STL - LKO

STLLKO

Lambert-St Louis

Fri 11/6

3:40 pm-6:35 am

2 stops27h 25m

$1,556

Flights are sorted by cheapest round-trip 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 is the most popular carrier 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 round-trip 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?

    The distance between Lambert-St Louis and Lucknow Amausi is about 7872.1 mi. By plane, this route typically takes 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 were last updated today.

  • 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 travel and health documents you'll need for your trip to Lucknow Amausi Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Lucknow Amausi Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Why use momondo?

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

Finding the right flight to Lucknow from St. Louis is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Lucknow quick and easy, saving you time and money.

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

Flights from St. Louis to Lucknow with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once all potential St. Louis to Lucknow flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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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