$309+ Cheap flights from Moline to St. Louis (MLI - STL)
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 9/23. Fares are subject to change and may not be available on all flights or dates of travel.
MLI — STL
Oct 9 — Oct 161
Round-trip
1 adult, Economy
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Find cheap flights from Moline to St. Louis 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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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 Moline to St. Louis
Cheapest
Best
Last-minute
One-way
Cheapest flights from Moline to St. LouisExplore the most affordable flight options available from Moline to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 9, 2026.
Explore the most affordable flight options available from Moline to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 9, 2026.
This American Airlines deal was found by Cheapflights users on 9/4. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/184:57 pm -
1 stop3h 47m
Mon 9/215:18 pm -
1 stop6h 47m
Deal found 9/4![American Airlines logo]()
$319
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.
Fri 10/26:32 am -
1 stop5h 41m
Sun 10/46:00 am -
1 stop4h 12m
Deal found 9/9![United Airlines logo]()
$359
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 9/232:35 pm -
1 stop5h 25m
Sun 9/275:36 pm -
1 stop5h 02m
Deal found 9/8![United Airlines logo]()
$464
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/46:00 am -
1 stop4h 18m
Mon 10/57:29 am -
1 stop3h 22m
Deal found 9/8![American Airlines logo]()
$467
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 9/246:32 am -
1 stop5h 41m
Mon 9/288:00 am -
1 stop3h 52m
Deal found 9/9![United Airlines logo]()
$474
This American Airlines deal was found by Cheapflights users on 9/7. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/214:57 pm -
1 stop3h 47m
Thu 9/2411:01 am -
1 stop5h 26m
Deal found 9/7![American Airlines logo]()
$617
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.
Mon 9/215:09 pm -
1 stop4h 27m
Wed 9/239:43 am -
1 stop5h 31m
Deal found 9/9![United Airlines logo]()
$662
This American Airlines deal was found by Cheapflights users on 9/4. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/86:45 pm -
1 stop5h 29m
Thu 9/1011:01 am -
1 stop5h 26m
Deal found 9/4![American Airlines logo]()
$827
This United Airlines deal was found by Cheapflights users on 9/5. 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 9/1910:42 am -
2 stops8h 29m
Tue 9/228:30 am -
1 stop4h 01m
Deal found 9/5![United Airlines logo]()
$831
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.
Sun 10/46:32 am -
1 stop5h 43m
Mon 10/58:30 am -
2 stops10h 33m
Deal found 9/8![United Airlines logo]()
$843
Best flights from Moline to St. LouisDiscover carefully curated flight deals from Moline to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 9, 2026.
Discover carefully curated flight deals from Moline to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 9, 2026.
This American Airlines deal was found by Cheapflights users on 9/5. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/194:57 pm -
1 stop3h 47m
Tue 9/2211:01 am -
1 stop5h 26m
Deal found 9/5![American Airlines logo]()
$319
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.
Fri 10/26:32 am -
1 stop5h 41m
Sun 10/46:00 am -
1 stop4h 12m
Deal found 9/9![United Airlines logo]()
$359
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 9/232:35 pm -
1 stop5h 25m
Sun 9/275:36 pm -
1 stop5h 02m
Deal found 9/8![United Airlines logo]()
$464
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 9/2410:49 am -
1 stop4h 54m
Mon 9/288:30 am -
2 stops10h 33m
Deal found 9/9![United Airlines logo]()
$734
This United Airlines deal was found by Cheapflights users on 9/5. 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 9/1910:42 am -
2 stops8h 29m
Tue 9/228:30 am -
1 stop4h 01m
Deal found 9/5![United Airlines logo]()
$831
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.
Mon 9/2110:42 am -
1 stop6h 24m
Wed 9/238:35 am -
2 stops8h 51m
Deal found 9/9![United Airlines logo]()
$970
This United Airlines deal was found by Cheapflights users on 9/7. 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 9/215:09 pm -
1 stop4h 27m
Thu 9/248:30 am -
2 stops10h 33m
Deal found 9/7![United Airlines logo]()
$1,396
Last-minute flights from Moline to St. LouisDiscover last-minute flight deals from Moline to St. Louis. Data last updated September 9, 2026 and is based on user searches.
Discover last-minute flight deals from Moline to St. Louis. Data last updated September 9, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 9/6. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/94:57 pm -
1 stop3h 47m
Thu 9/1011:01 am -
1 stop5h 26m
Deal found 9/6![American Airlines logo]()
$827
This American Airlines deal was found by Cheapflights users on 9/4. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/184:57 pm -
1 stop3h 47m
Mon 9/215:18 pm -
1 stop6h 47m
Deal found 9/4![American Airlines logo]()
$319
This United Airlines deal was found by Cheapflights users on 9/5. 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 9/1910:42 am -
2 stops8h 29m
Tue 9/228:30 am -
1 stop4h 01m
Deal found 9/5![United Airlines logo]()
$831
This American Airlines deal was found by Cheapflights users on 9/7. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/214:57 pm -
1 stop3h 47m
Thu 9/2411:01 am -
1 stop5h 26m
Deal found 9/7![American Airlines logo]()
$617
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.
Mon 9/215:09 pm -
1 stop4h 27m
Wed 9/239:43 am -
1 stop5h 31m
Deal found 9/9![United Airlines logo]()
$662
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 9/232:35 pm -
1 stop5h 25m
Sun 9/275:36 pm -
1 stop5h 02m
Deal found 9/8![United Airlines logo]()
$464
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 9/246:32 am -
1 stop5h 41m
Mon 9/288:00 am -
1 stop3h 52m
Deal found 9/9![United Airlines logo]()
$474
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.
Fri 10/26:32 am -
1 stop5h 41m
Sun 10/46:00 am -
1 stop4h 12m
Deal found 9/9![United Airlines logo]()
$359
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/46:00 am -
1 stop4h 18m
Mon 10/57:29 am -
1 stop3h 22m
Deal found 9/8![American Airlines logo]()
$467
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.
Sun 10/46:32 am -
1 stop5h 43m
Mon 10/58:30 am -
2 stops10h 33m
Deal found 9/8![United Airlines logo]()
$843
One-way flights from Moline to St. LouisSearch for one-way flight options from Moline to St. Louis. Find affordable one-way fares based on user searches. Data last updated September 9, 2026.
Search for one-way flight options from Moline to St. Louis. Find affordable one-way fares based on user searches. Data last updated September 9, 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.
Wed 9/232:35 pm -
1 stop4h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![United Airlines logo]()
$309
Find flight deals from Moline to St. Louis
Discover tips and strategies to find the most affordable flight options for your journey from Moline (MLI) to St. Louis (STL). 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 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $319 (American Airlines) |
One-way from | $309 (United Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from Moline to St. Louis 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 9, 2026.
Use the filters below to find and compare flights from Moline to St. Louis that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
MolineSt. Louis
MLI Moline Quad-City - STL Lambert-St Louis
MLISTL
Moline Quad-City
Wed 9/23
2:35 pm-7:16 pm
1 stop4h 41m
Lambert-St Louis
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$309
MolineSt. Louis
MLI Moline Quad-City - STL Lambert-St Louis
MLISTL
Moline Quad-City
Sat 9/19
4:57 pm-8:44 pm
1 stop3h 47m
Lambert-St Louis
Tue 9/22
11:01 am-4:27 pm
1 stop5h 26m
$319
MolineSt. Louis
MLI Moline Quad-City - STL Lambert-St Louis
MLISTL
Moline Quad-City
Fri 10/2
6:32 am-12:13 pm
1 stop5h 41m
Lambert-St Louis
Sun 10/4
6:00 am-10:12 am
1 stop4h 12m
$359
MolineSt. Louis
MLI Moline Quad-City - STL Lambert-St Louis
MLISTL
Moline Quad-City
Wed 9/23
2:35 pm-8:00 pm
1 stop5h 25m
Lambert-St Louis
Sun 9/27
5:36 pm-10:38 pm
1 stop5h 02m
$464
MolineSt. Louis
MLI Moline Quad-City - STL Lambert-St Louis
MLISTL
Moline Quad-City
Thu 9/24
10:49 am-3:43 pm
1 stop4h 54m
Lambert-St Louis
Mon 9/28
8:30 am-7:03 pm
2 stops10h 33m
$734
MolineSt. Louis
MLI Moline Quad-City - STL Lambert-St Louis
MLISTL
Moline Quad-City
Sat 9/19
10:42 am-7:11 pm
2 stops8h 29m
Lambert-St Louis
Tue 9/22
8:30 am-12:31 pm
1 stop4h 01m
$831
MolineSt. Louis
MLI Moline Quad-City - STL Lambert-St Louis
MLISTL
Moline Quad-City
Mon 9/21
10:42 am-5:06 pm
1 stop6h 24m
Lambert-St Louis
Wed 9/23
8:35 am-5:26 pm
2 stops8h 51m
$970
MolineSt. Louis
MLI Moline Quad-City - STL Lambert-St Louis
MLISTL
Moline Quad-City
Mon 9/21
5:09 pm-9:36 pm
1 stop4h 27m
Lambert-St Louis
Thu 9/24
8:30 am-7:03 pm
2 stops10h 33m
$1,396
Sorted by cheapest first
Compare providers for flights from Moline to St. Louis
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Moline to St. Louis in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Moline-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Moline-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Moline-St. Louis flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Moline-St. Louis 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 Moline-St. Louis 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 Moline to St. Louis
Have a flexible travel schedule? Discover the best time to fly to St. Louis from Moline with our price prediction graph.
MLI-STL
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.
Reviews of airlines servicing St. Louis
Get insights into the airlines that provide service to St. Louis. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to St. Louis. Reviews last updated September 9, 2026.
See what other customers who have flown with United Airlines from Moline to St. Louis have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.1
Overall
7.4
Comfort
7.3
Entertainment
7.1
Boarding
7.7
Food
6.6
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Crew
8.1
Overall
7.4
Comfort
7.3
Entertainment
7.1
Boarding
7.7
Food
6.6
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Related info for your journey
Find useful and relevant information for your journey from Moline to St. Louis. 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 St. Louis?
Book flights to St. Louis if you plan to visit one of these locationsFairview Heights
O'Fallon
Fenton
Swansea
Eureka
Maryland Heights
Collinsville
Wentzville
Edwardsville
Glencoe
Chesterfield
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Moline and St. Louis flights
Browse other Moline and St. Louis flight options. Last updated on September 9, 2026.
Other flights from Moline
Browse through other flights departing from Moline. Flights are based on user searches made on Cheapflights and were last updated on September 9, 2026.
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Other flights to St. Louis
Explore flights to St. Louis departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 9, 2026.
Top airline flying from Moline to St. Louis
Discover the top airline that operate flights from Moline to St. Louis. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$228 | Average$298 | FlexibilityNo cancel fee | On-time69% |