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Lucknow

$5,859+ Cheap flights from St. Louis (STL) to Lucknow (LKO)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/30. Fares are subject to change and may not be available on all flights or dates of travel.
STL — LKO
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from St. Louis to Lucknow

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Lucknow (LKO). 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 September 11, 2025.

Round-trip from

$5,859
(AranGrant)
From Lambert-St Louis to Lucknow Amausi
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Find flight deals from St. Louis to Lucknow

Cheapest flights from St. Louis to Lucknow
Explore the most affordable flight options available from St. Louis to Lucknow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This AranGrant deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure AranGrant is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/301:53 pmSTL - LKO
3 stops38h 07mBritish Airways
Tue 10/75:40 amLKO - STL
3 stops47h 36mBritish Airways
Deal found 9/10$5,859
This FlightHub deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/309:15 amSTL - LKO
2 stops43h 10mMultiple Airlines
Tue 10/79:00 amLKO - STL
2 stops45h 27mMultiple Airlines
Deal found 9/10$10,682

Cheapflights Fare Finder

 
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, Cheapflights users made 2,558,603 searches. Data last updated September 11, 2025.
Use the filters below to find and compare flights from St. Louis to Lucknow that are best for you.

Fly from

St. Louis

Fly to

Lucknow

Route

Depart

Return

Price

St. LouisLucknow

STL - LKO

STLLKO

Lambert-St Louis

Tue 9/30

1:53 pm-2:30 pm

3 stops38h 07m

Lucknow Amausi

Tue 10/7

5:40 am-6:46 pm

3 stops47h 36m

$5,859

St. LouisLucknow

STL - LKO

STLLKO

Lambert-St Louis

Tue 9/30

9:15 am-2:55 pm

2 stops43h 10m

Lucknow Amausi

Tue 10/7

10:55 pm-7:38 pm

2 stops55h 13m

$10,689

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Best time to book a flight from St. Louis to Lucknow

Have a flexible travel schedule? Discover the best time to fly to Lucknow from St. Louis with our price prediction graph.
Estimated round-trip 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.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Lucknow. 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 St. Louis to Lucknow?

    British Airways can get you from St. Louis to Lucknow in just under 38h 07m. Your travel time can differ by up to . The distance from St. Louis to Lucknow is about 7870 mi.

  • Can I find deals for flights from St. Louis to Lucknow that include hotel bookings?

    Yes. In addition to deals on St. Louis to Lucknow flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Lucknow?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Lucknow.

  • Can I find deals for business class flights from St. Louis to Lucknow?

    Yes. Cheapflights offers flight deals from St. Louis to Lucknow 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 St. Louis to Lucknow?

    Currently, August is the cheapest month in which you can book a flight from St. Louis to Lucknow (average of $812). Flying from St. Louis to Lucknow in December is currently the most expensive (average of $1,476). 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.

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