$308+ Cheap flights from Duluth to St. Louis (DLH - 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 12/2. Fares are subject to change and may not be available on all flights or dates of travel.
DLH — STL
Oct 10 — Oct 171
Round-trip
1 adult, Economy
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Find cheap flights from Duluth 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 Duluth to St. Louis
Cheapest
Best
Last-minute
Cheapest flights from Duluth to St. LouisExplore the most affordable flight options available from Duluth to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 10, 2026.
Explore the most affordable flight options available from Duluth to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 10, 2026.
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/24:45 pm -
1 stop6h 41m
Sun 12/65:20 pm -
1 stop5h 38m
Deal found 9/10![Delta logo]()
$308
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 9/236:34 pm -
1 stop4h 25m
Sun 9/275:36 pm -
1 stop5h 46m
Deal found 9/8![United Airlines logo]()
$358
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/53:10 pm -
1 stop6h 11m
Mon 10/127:01 pm -
1 stop4h 21m
Deal found 9/6![United Airlines logo]()
$373
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 10/163:10 pm -
1 stop6h 11m
Fri 10/235:36 pm -
1 stop5h 46m
Deal found 9/10![United Airlines logo]()
$388
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.
Fri 11/133:06 pm -
2 stops21h 32m
Sun 11/156:50 pm -
1 stop4h 24m
Deal found 9/8![United Airlines logo]()
$572
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 12/25:54 am -
1 stop17h 20m
Sun 12/68:30 am -
2 stops13h 02m
Deal found 9/10![United Airlines logo]()
$733
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1612:35 pm -
1 stop4h 08m
Fri 10/232:38 pm -
2 stops8h 19m
Deal found 9/6![Delta logo]()
$825
Best flights from Duluth to St. LouisDiscover carefully curated flight deals from Duluth to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 10, 2026.
Discover carefully curated flight deals from Duluth to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 10, 2026.
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/53:10 pm -
1 stop6h 11m
Mon 10/127:01 pm -
1 stop4h 21m
Deal found 9/6![United Airlines logo]()
$373
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 10/163:10 pm -
1 stop6h 11m
Fri 10/235:36 pm -
1 stop5h 46m
Deal found 9/9![United Airlines logo]()
$388
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1612:35 pm -
1 stop4h 08m
Fri 10/232:38 pm -
2 stops8h 19m
Deal found 9/6![Delta logo]()
$825
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.
Fri 11/133:06 pm -
2 stops21h 32m
Sun 11/156:50 pm -
1 stop4h 24m
Deal found 9/8![United Airlines logo]()
$572
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 9/236:34 pm -
2 stops26h 35m
Sun 9/276:00 am -
1 stop4h 42m
Deal found 9/8![United Airlines logo]()
$720
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 12/25:54 am -
1 stop17h 20m
Sun 12/68:30 am -
2 stops13h 02m
Deal found 9/10![United Airlines logo]()
$733
Last-minute flights from Duluth to St. LouisDiscover last-minute flight deals from Duluth to St. Louis. Data last updated September 10, 2026 and is based on user searches.
Discover last-minute flight deals from Duluth to St. Louis. Data last updated September 10, 2026 and is based on user searches.
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 9/236:34 pm -
1 stop4h 25m
Sun 9/275:36 pm -
1 stop5h 46m
Deal found 9/8![United Airlines logo]()
$358
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/53:10 pm -
1 stop6h 11m
Mon 10/127:01 pm -
1 stop4h 21m
Deal found 9/6![United Airlines logo]()
$373
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/511:43 am -
2 stops8h 52m
Mon 10/125:35 pm -
1 stop5h 22m
Deal found 9/6![Delta logo]()
$1,146
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 10/163:10 pm -
1 stop6h 11m
Fri 10/235:36 pm -
1 stop5h 46m
Deal found 9/10![United Airlines logo]()
$388
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1612:35 pm -
1 stop4h 08m
Fri 10/232:38 pm -
2 stops8h 19m
Deal found 9/6![Delta logo]()
$825
Find flight deals from Duluth to St. Louis
Discover tips and strategies to find the most affordable flight options for your journey from Duluth (DLH) 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 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $308 (Delta) |
Cheapflights Fare Finder
Customize your flight search to find flights from Duluth 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 10, 2026.
Use the filters below to find and compare flights from Duluth to St. Louis that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
DuluthSt. Louis
DLH Duluth Intl - STL Lambert-St Louis
DLHSTL
Duluth Intl
Mon 10/5
3:10 pm-9:21 pm
1 stop6h 11m
Lambert-St Louis
Mon 10/12
7:01 pm-11:22 pm
1 stop4h 21m
$373
DuluthSt. Louis
DLH Duluth Intl - STL Lambert-St Louis
DLHSTL
Duluth Intl
Fri 10/16
3:10 pm-9:21 pm
1 stop6h 11m
Lambert-St Louis
Fri 10/23
5:36 pm-11:22 pm
1 stop5h 46m
$388
DuluthSt. Louis
DLH Duluth Intl - STL Lambert-St Louis
DLHSTL
Duluth Intl
Fri 11/13
3:06 pm-12:38 pm
2 stops21h 32m
Lambert-St Louis
Sun 11/15
6:50 pm-11:14 pm
1 stop4h 24m
$572
DuluthSt. Louis
DLH Duluth Intl - STL Lambert-St Louis
DLHSTL
Duluth Intl
Wed 9/23
6:34 pm-9:09 pm
2 stops26h 35m
Lambert-St Louis
Sun 9/27
6:00 am-10:42 am
1 stop4h 42m
$720
DuluthSt. Louis
DLH Duluth Intl - STL Lambert-St Louis
DLHSTL
Duluth Intl
Wed 12/2
5:54 am-11:14 pm
1 stop17h 20m
Lambert-St Louis
Sun 12/6
8:30 am-9:32 pm
2 stops13h 02m
$733
DuluthSt. Louis
DLH Duluth Intl - STL Lambert-St Louis
DLHSTL
Duluth Intl
Fri 10/16
12:35 pm-4:43 pm
1 stop4h 08m
Lambert-St Louis
Fri 10/23
2:38 pm-10:57 pm
2 stops8h 19m
$825
Sorted by cheapest first
Compare providers for flights from Duluth 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 Duluth 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 Duluth-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Duluth-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Duluth-St. Louis flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Duluth-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 Duluth-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 Duluth to St. Louis
Have a flexible travel schedule? Discover the best time to fly to St. Louis from Duluth with our price prediction graph.
DLH-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 10, 2026.
See what other customers who have flown with Delta and United Airlines from Duluth 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.
Comfort
7.8
Crew
8.5
Overall
7.8
Food
7.2
Boarding
8.1
Entertainment
7.8
Reviews
1 / 20
8.0
ExcellentRona,Feb 2024
MSP - DEN
Comfort
7.8
Crew
8.5
Overall
7.8
Food
7.2
Boarding
8.1
Entertainment
7.8
Reviews
1 / 20
8.0
ExcellentRona,Feb 2024
MSP - DEN
Comfort
7.8
Crew
8.5
Overall
7.8
Food
7.2
Boarding
8.1
Entertainment
7.8
Reviews
1 / 20
8.0
ExcellentRona,Feb 2024
MSP - DEN
Related info for your journey
Find useful and relevant information for your journey from Duluth 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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Duluth and St. Louis flights
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Top 2 airlines flying from Duluth to St. Louis
Discover the top 2 airlines that operate flights from Duluth 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 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$263 | Average$383 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$283 | Average$353 | FlexibilityNo cancel fee | On-time69% |