$414+ Cheap flights from St. Louis to Lancaster, PA (STL - LNS)
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 11/22. Fares are subject to change and may not be available on all flights or dates of travel.
STL — LNS
Oct 13 — Oct 201
Round-trip
1 adult, Economy
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Find cheap flights from St. Louis to Lancaster with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from St. Louis to Lancaster
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Cheapest flights from St. Louis to LancasterExplore the most affordable flight options available from St. Louis to Lancaster. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 13, 2026.
Explore the most affordable flight options available from St. Louis to Lancaster. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 13, 2026.
This United Airlines deal was found by Cheapflights users on 9/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/227:30 am -
1 stop7h 35m
Thu 11/266:05 am -
1 stop5h 27m
Deal found 9/13![United Airlines logo]()
$414
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/248:00 am -
1 stop5h 31m
Mon 9/289:06 am -
1 stop7h 37m
Deal found 9/10![United Airlines logo]()
$424
This United Airlines deal was found by Cheapflights users on 9/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/248:30 am -
1 stop6h 35m
Thu 11/266:05 am -
1 stop7h 05m
Deal found 9/13![United Airlines logo]()
$429
This United Airlines deal was found by Cheapflights users on 9/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/238:30 am -
1 stop5h 01m
Sun 9/279:06 am -
1 stop6h 11m
Deal found 9/8![United Airlines logo]()
$444
This United Airlines deal was found by Cheapflights users on 9/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/145:30 pm -
1 stop6h 06m
Sun 9/203:07 pm -
1 stop7h 29m
Deal found 9/12![United Airlines logo]()
$519
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/257:01 pm -
1 stop4h 30m
Tue 9/299:06 am -
1 stop6h 11m
Deal found 9/10![United Airlines logo]()
$520
This United Airlines deal was found by Cheapflights users on 9/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/228:30 am -
1 stop6h 35m
Fri 11/276:05 am -
1 stop7h 08m
Deal found 9/13![United Airlines logo]()
$525
This United Airlines deal was found by Cheapflights users on 9/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/248:30 am -
1 stop6h 35m
Fri 11/276:05 am -
1 stop5h 27m
Deal found 9/13![United Airlines logo]()
$540
This United Airlines deal was found by Cheapflights users on 9/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/186:53 pm -
1 stop4h 43m
Mon 9/213:07 pm -
1 stop7h 29m
Deal found 9/12![United Airlines logo]()
$570
This United Airlines deal was found by Cheapflights users on 9/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2111:15 am -
1 stop7h 46m
Thu 11/266:05 am -
1 stop7h 05m
Deal found 9/13![United Airlines logo]()
$595
This United Airlines deal was found by Cheapflights users on 9/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/248:30 am -
1 stop6h 35m
Wed 11/258:07 pm -
1 stop20h 36m
Deal found 9/13![United Airlines logo]()
$610
This United Airlines deal was found by Cheapflights users on 9/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/225:28 pm -
1 stop5h 58m
Sat 11/286:05 am -
1 stop5h 32m
Deal found 9/13![United Airlines logo]()
$630
Best flights from St. Louis to LancasterDiscover carefully curated flight deals from St. Louis to Lancaster that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 13, 2026.
Discover carefully curated flight deals from St. Louis to Lancaster that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 13, 2026.
This United Airlines deal was found by Cheapflights users on 9/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/248:00 am -
1 stop5h 31m
Mon 9/289:06 am -
1 stop7h 37m
Deal found 9/9![United Airlines logo]()
$424
This United Airlines deal was found by Cheapflights users on 9/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/265:36 pm -
1 stop5h 55m
Wed 9/309:06 am -
1 stop7h 37m
Deal found 9/11![United Airlines logo]()
$424
This United Airlines deal was found by Cheapflights users on 9/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/238:30 am -
1 stop5h 01m
Sun 9/279:06 am -
1 stop6h 11m
Deal found 9/8![United Airlines logo]()
$444
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/257:01 pm -
1 stop4h 30m
Tue 9/299:06 am -
1 stop6h 11m
Deal found 9/10![United Airlines logo]()
$520
This United Airlines deal was found by Cheapflights users on 9/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2111:15 am -
1 stop7h 46m
Thu 11/266:05 am -
1 stop7h 05m
Deal found 9/13![United Airlines logo]()
$595
This United Airlines deal was found by Cheapflights users on 9/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/248:30 am -
1 stop6h 35m
Wed 11/258:07 pm -
1 stop20h 36m
Deal found 9/13![United Airlines logo]()
$610
This United Airlines deal was found by Cheapflights users on 9/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/238:30 am -
1 stop6h 35m
Sat 11/286:05 am -
1 stop5h 32m
Deal found 9/13![United Airlines logo]()
$630
This United Airlines deal was found by Cheapflights users on 9/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/11:18 pm -
1 stop23h 53m
Fri 12/42:57 pm -
1 stop7h 26m
Deal found 9/11![United Airlines logo]()
$640
This United Airlines deal was found by Cheapflights users on 9/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/256:50 pm -
1 stop4h 36m
Thu 11/266:05 am -
2 stops31h 33m
Deal found 9/13![United Airlines logo]()
$687
This United Airlines deal was found by Cheapflights users on 9/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/276:00 am -
1 stop7h 31m
Thu 10/19:06 am -
1 stop6h 11m
Deal found 9/11![United Airlines logo]()
$752
This United Airlines deal was found by Cheapflights users on 9/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/239:40 am -
1 stop5h 25m
Sun 11/296:05 am -
1 stop11h 42m
Deal found 9/13![United Airlines logo]()
$825
Last-minute flights from St. Louis to LancasterDiscover last-minute flight deals from St. Louis to Lancaster. Data last updated September 13, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Lancaster. Data last updated September 13, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 9/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/145:30 pm -
1 stop6h 06m
Sun 9/203:07 pm -
1 stop7h 29m
Deal found 9/12![United Airlines logo]()
$519
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/167:56 am -
1 stop5h 35m
Thu 9/178:36 am -
1 stop6h 39m
Deal found 9/10![United Airlines logo]()
$917
This United Airlines deal was found by Cheapflights users on 9/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/186:53 pm -
1 stop4h 43m
Mon 9/213:07 pm -
1 stop7h 29m
Deal found 9/12![United Airlines logo]()
$570
This United Airlines deal was found by Cheapflights users on 9/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/238:30 am -
1 stop5h 01m
Sun 9/279:06 am -
1 stop6h 11m
Deal found 9/8![United Airlines logo]()
$444
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/248:00 am -
1 stop5h 31m
Mon 9/289:06 am -
1 stop7h 37m
Deal found 9/10![United Airlines logo]()
$424
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/257:01 pm -
1 stop4h 30m
Tue 9/299:06 am -
1 stop6h 11m
Deal found 9/10![United Airlines logo]()
$520
This United Airlines deal was found by Cheapflights users on 9/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/276:00 am -
1 stop7h 31m
Thu 10/19:06 am -
1 stop6h 11m
Deal found 9/11![United Airlines logo]()
$752
Find flight deals from St. Louis to Lancaster
Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Lancaster (LNS). 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 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $414 (United Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from St. Louis to Lancaster 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 7,457,451 searches. Data last updated September 13, 2026.
Use the filters below to find and compare flights from St. Louis to Lancaster that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
St. LouisLancaster
STL Lambert-St Louis - LNS Lancaster
STLLNS
Lambert-St Louis
Thu 9/24
8:00 am-2:31 pm
1 stop5h 31m
Lancaster
Mon 9/28
9:06 am-3:43 pm
1 stop7h 37m
$424
St. LouisLancaster
STL Lambert-St Louis - LNS Lancaster
STLLNS
Lambert-St Louis
Sat 9/26
5:36 pm-12:31 am
1 stop5h 55m
Lancaster
Wed 9/30
9:06 am-3:43 pm
1 stop7h 37m
$424
St. LouisLancaster
STL Lambert-St Louis - LNS Lancaster
STLLNS
Lambert-St Louis
Wed 9/23
8:30 am-2:31 pm
1 stop5h 01m
Lancaster
Sun 9/27
9:06 am-2:17 pm
1 stop6h 11m
$444
Quickest round-trip
St. LouisLancaster
STL Lambert-St Louis - LNS Lancaster
STLLNS
Lambert-St Louis
Fri 9/25
7:01 pm-12:31 am
1 stop4h 30m
Lancaster
Tue 9/29
9:06 am-2:17 pm
1 stop6h 11m
$520
St. LouisLancaster
STL Lambert-St Louis - LNS Lancaster
STLLNS
Lambert-St Louis
Sat 11/21
11:15 am-8:01 pm
1 stop7h 46m
Lancaster
Thu 11/26
6:05 am-12:10 pm
1 stop7h 05m
$595
St. LouisLancaster
STL Lambert-St Louis - LNS Lancaster
STLLNS
Lambert-St Louis
Tue 11/24
8:30 am-4:05 pm
1 stop6h 35m
Lancaster
Wed 11/25
8:07 pm-3:43 pm
1 stop20h 36m
$610
St. LouisLancaster
STL Lambert-St Louis - LNS Lancaster
STLLNS
Lambert-St Louis
Mon 11/23
8:30 am-4:05 pm
1 stop6h 35m
Lancaster
Sat 11/28
6:05 am-10:37 am
1 stop5h 32m
$630
St. LouisLancaster
STL Lambert-St Louis - LNS Lancaster
STLLNS
Lambert-St Louis
Tue 12/1
1:18 pm-2:11 pm
1 stop23h 53m
Lancaster
Fri 12/4
2:57 pm-9:23 pm
1 stop7h 26m
$640
St. LouisLancaster
STL Lambert-St Louis - LNS Lancaster
STLLNS
Lambert-St Louis
Wed 11/25
6:50 pm-12:26 am
1 stop4h 36m
Lancaster
Thu 11/26
6:05 am-12:38 pm
2 stops31h 33m
$687
St. LouisLancaster
STL Lambert-St Louis - LNS Lancaster
STLLNS
Lambert-St Louis
Sun 9/27
6:00 am-2:31 pm
1 stop7h 31m
Lancaster
Thu 10/1
9:06 am-2:17 pm
1 stop6h 11m
$752
Showing 1-10 of 11 resultsSorted by cheapest first
- Most accurate provider: When it comes to deals on St. Louis-Lancaster, Pennsylvania flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Lancaster, Pennsylvania flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-Lancaster, Pennsylvania flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on St. Louis-Lancaster, Pennsylvania flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Lancaster, Pennsylvania flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from St. Louis to Lancaster
Have a flexible travel schedule? Discover the best time to fly to Lancaster from St. Louis with our price prediction graph.
STL-LNS
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 Lancaster. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Lancaster?
Book flights to Lancaster if you plan to visit one of these locationsManheim
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