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Cheap flights from St. Louis to Lucknow from ₹ 126,414

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 23/5. Fares are subject to change and may not be available on all flights or dates of travel.
STL — LKO
16 Mar — 23 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from St. Louis to Lucknow

Enter your travel dates to find the best prices.

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 14 February 2026.

Sat 23/507:30
STL
-
LKO
2 stops37h 10m
Multiple Airlines
Sat 13/622:30
LKO
-
STL
2 stops25h 25m
Multiple Airlines
Deal found 13/2₹ 126,414
Thu 21/507:30
STL
-
LKO
2 stops37h 10m
Multiple Airlines
Sat 13/615:30
LKO
-
STL
2 stops32h 25m
Multiple Airlines
Deal found 13/2₹ 126,776
Fri 22/507:30
STL
-
LKO
2 stops44h 40m
Multiple Airlines
Mon 15/622:30
LKO
-
STL
2 stops25h 25m
Multiple Airlines
Deal found 13/2₹ 134,841
Sun 24/521:40
STL
-
LKO
2 stops48h 35m
British Airways
Tue 16/612:55
LKO
-
STL
2 stops41h 05m
British Airways
Deal found 13/2₹ 148,978
Fri 22/519:51
STL
-
LKO
3 stops56h 09m
British Airways
Sun 14/612:55
LKO
-
STL
3 stops38h 55m
British Airways
Deal found 13/2₹ 150,246
Sun 24/515:30
STL
-
LKO
2 stops29h 10m
Multiple Airlines
Sat 13/622:30
LKO
-
STL
2 stops25h 25m
Multiple Airlines
Deal found 13/2₹ 151,696
Fri 22/521:35
STL
-
LKO
2 stops46h 40m
British Airways
Tue 16/615:10
LKO
-
STL
2 stops38h 50m
British Airways
Deal found 13/2₹ 152,149
Wed 20/521:35
STL
-
LKO
2 stops46h 40m
British Airways
Tue 16/612:55
LKO
-
STL
2 stops41h 05m
British Airways
Deal found 13/2₹ 155,774
Fri 22/515:30
STL
-
LKO
2 stops29h 40m
Multiple Airlines
Sun 14/607:55
LKO
-
STL
3 stops40h 00m
Multiple Airlines
Deal found 13/2₹ 157,587
Sat 23/507:30
STL
-
LKO
2 stops37h 10m
Multiple Airlines
Sun 14/614:00
LKO
-
STL
2 stops33h 55m
Multiple Airlines
Deal found 13/2₹ 158,130
Thu 21/507:30
STL
-
LKO
2 stops37h 10m
Multiple Airlines
Sun 14/614:00
LKO
-
STL
2 stops33h 55m
Multiple Airlines
Deal found 13/2₹ 158,493
Wed 20/521:35
STL
-
LKO
2 stops30h 25m
British Airways
Mon 15/615:10
LKO
-
STL
2 stops38h 50m
British Airways
Deal found 13/2₹ 166,558

Find 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 14 February 2026.

Round-trip from

₹ 126,414
23/5-13/6
  • 23/5-13/6
  • 4 total stops
  • 62h 35m total
  • St. Louis to Lucknow
Search Deals

Cheapflights Fare Finder

 
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, Cheapflights users made 454,620 searches. Data last updated 14 February 2026.
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

Sat 23/5

07:30-07:10

2 stops37h 10m

Lucknow Amausi

Sat 13/6

22:30-13:25

2 stops25h 25m

₹ 126,414

St. LouisLucknow

STL - LKO

STLLKO

Lambert-St Louis

Sat 23/5

07:30-07:10

2 stops37h 10m

Lucknow Amausi

Mon 15/6

20:50-13:25

2 stops27h 05m

₹ 126,414

St. LouisLucknow

STL - LKO

STLLKO

Lambert-St Louis

Thu 21/5

07:30-07:10

2 stops37h 10m

Lucknow Amausi

Sat 13/6

15:30-13:25

2 stops32h 25m

₹ 126,776

St. LouisLucknow

STL - LKO

STLLKO

Lambert-St Louis

Thu 21/5

07:30-07:10

2 stops37h 10m

Lucknow Amausi

Mon 15/6

15:30-13:25

2 stops32h 25m

₹ 126,776

St. LouisLucknow

STL - LKO

STLLKO

Lambert-St Louis

Fri 22/5

07:30-14:40

2 stops44h 40m

Lucknow Amausi

Sat 13/6

22:30-13:25

2 stops25h 25m

₹ 134,841

St. LouisLucknow

STL - LKO

STLLKO

Lambert-St Louis

Fri 22/5

07:30-14:40

2 stops44h 40m

Lucknow Amausi

Mon 15/6

22:30-13:25

2 stops25h 25m

₹ 134,841

St. LouisLucknow

STL - LKO

STLLKO

Lambert-St Louis

Sun 24/5

15:30-07:10

2 stops29h 10m

Lucknow Amausi

Sat 13/6

22:30-13:25

2 stops25h 25m

₹ 151,696

St. LouisLucknow

STL - LKO

STLLKO

Lambert-St Louis

Fri 22/5

21:35-06:45

2 stops46h 40m

Lucknow Amausi

Tue 16/6

15:10-19:30

2 stops38h 50m

₹ 152,149

St. LouisLucknow

STL - LKO

STLLKO

Lambert-St Louis

Wed 20/5

21:35-06:45

2 stops46h 40m

Lucknow Amausi

Tue 16/6

12:55-19:30

2 stops41h 05m

₹ 155,774

St. LouisLucknow

STL - LKO

STLLKO

Lambert-St Louis

Fri 22/5

15:30-07:40

2 stops29h 40m

Lucknow Amausi

Sun 14/6

07:55-13:25

3 stops40h 00m

₹ 157,587

Flights are sorted by cheapest return flights first.

Deals found on 13/2

Showing 1-10 of 11 results
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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 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.

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.

  • 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 holiday 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.

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Alternative routes for St. Louis to Lucknow

See prices for flight routes from nearby airports that may be better suited for you.
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Fly with Cheapflights

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How does Cheapflights help users find flights from St. Louis to Lucknow?

Cheapflights helps you search for flights from St. Louis to Lucknow via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

Cheapflights helps you find that perfect flight to Lucknow from St. Louis by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

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

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