$163+ Cheap flights from St. Louis to Duluth (STL - DLH)
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 10/7. Fares are subject to change and may not be available on all flights or dates of travel.
STL — DLH
Oct 13 — Oct 201
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from St. Louis to Duluth 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 St. Louis to Duluth
Cheapest
Best
Last-minute
One-way
Cheapest flights from St. Louis to DuluthExplore the most affordable flight options available from St. Louis to Duluth. 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 Duluth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 13, 2026.
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/36:15 am -
1 stop4h 48m
Sat 10/107:00 am -
1 stop3h 38m
Deal found 9/8![Delta logo]()
$326
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 9/266:00 am -
1 stop4h 42m
Wed 9/307:45 am -
1 stop4h 28m
Deal found 9/11![United Airlines logo]()
$338
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.
Sun 10/411:21 am -
1 stop4h 08m
Sun 10/1112:35 pm -
1 stop4h 11m
Deal found 9/10![Delta logo]()
$353
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 10/28:00 am -
1 stop6h 29m
Sun 10/46:00 am -
1 stop6h 15m
Deal found 9/10![United Airlines logo]()
$369
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/26:15 am -
1 stop4h 48m
Sun 10/45:15 am -
1 stop5h 16m
Deal found 9/11![Delta logo]()
$373
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 10/211:35 am -
1 stop6h 44m
Mon 10/53:10 pm -
1 stop6h 11m
Deal found 9/8![United Airlines logo]()
$380
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/55:47 pm -
1 stop4h 48m
Fri 10/912:35 pm -
1 stop4h 08m
Deal found 9/8![Delta logo]()
$387
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.
Sat 9/266:00 am -
1 stop4h 42m
Mon 9/283:10 pm -
1 stop6h 11m
Deal found 9/10![United Airlines logo]()
$393
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 10/98:00 am -
1 stop6h 29m
Sun 10/117:45 am -
1 stop4h 30m
Deal found 9/10![United Airlines logo]()
$404
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/115:47 pm -
1 stop4h 48m
Sat 9/1211:43 am -
1 stop5h 04m
Deal found 9/9![Delta logo]()
$428
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 10/57:01 pm -
1 stop4h 21m
Fri 10/96:00 am -
1 stop6h 13m
Deal found 9/9![United Airlines logo]()
$433
Best flights from St. Louis to DuluthDiscover carefully curated flight deals from St. Louis to Duluth 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 Duluth that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 13, 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.
Sun 10/411:21 am -
1 stop4h 08m
Sun 10/1112:35 pm -
1 stop4h 11m
Deal found 9/10![Delta logo]()
$353
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 10/211:35 am -
1 stop6h 44m
Mon 10/53:10 pm -
1 stop6h 11m
Deal found 9/8![United Airlines logo]()
$380
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/26:15 am -
1 stop4h 48m
Sun 10/45:15 am -
1 stop5h 16m
Deal found 9/11![Delta 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.
Sat 9/266:00 am -
1 stop4h 42m
Mon 9/283:10 pm -
1 stop6h 11m
Deal found 9/10![United Airlines logo]()
$393
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 10/57:01 pm -
1 stop4h 21m
Fri 10/96:00 am -
1 stop6h 13m
Deal found 9/9![United Airlines logo]()
$433
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 10/98:00 am -
1 stop6h 29m
Mon 10/1211:18 am -
1 stop4h 25m
Deal found 9/12![United Airlines logo]()
$512
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.
Fri 9/257:01 pm -
1 stop4h 21m
Sun 9/276:00 am -
1 stop4h 48m
Deal found 9/11![United Airlines logo]()
$554
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 stop6h 29m
Mon 9/283:10 pm -
1 stop6h 11m
Deal found 9/9![United Airlines logo]()
$587
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.
Fri 10/29:00 am -
2 stops14h 22m
Sun 10/46:00 am -
1 stop6h 15m
Deal found 9/11![United Airlines logo]()
$627
Last-minute flights from St. Louis to DuluthDiscover last-minute flight deals from St. Louis to Duluth. Data last updated September 13, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Duluth. Data last updated September 13, 2026 and is based on user searches.
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/115:47 pm -
1 stop4h 48m
Sat 9/1211:43 am -
1 stop5h 04m
Deal found 9/9![Delta logo]()
$428
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 9/266:00 am -
1 stop4h 42m
Wed 9/307:45 am -
1 stop4h 28m
Deal found 9/11![United Airlines logo]()
$338
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.
Sat 9/266:00 am -
1 stop4h 42m
Mon 9/283:10 pm -
1 stop6h 11m
Deal found 9/10![United Airlines logo]()
$393
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 10/28:00 am -
1 stop6h 29m
Sun 10/46:00 am -
1 stop6h 15m
Deal found 9/10![United Airlines logo]()
$369
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/26:15 am -
1 stop4h 48m
Sun 10/45:15 am -
1 stop5h 16m
Deal found 9/11![Delta logo]()
$373
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 10/211:35 am -
1 stop6h 44m
Mon 10/53:10 pm -
1 stop6h 11m
Deal found 9/8![United Airlines logo]()
$380
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/36:15 am -
1 stop4h 48m
Sat 10/107:00 am -
1 stop3h 38m
Deal found 9/8![Delta logo]()
$326
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.
Sun 10/411:21 am -
1 stop4h 08m
Sun 10/1112:35 pm -
1 stop4h 11m
Deal found 9/10![Delta logo]()
$353
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/55:47 pm -
1 stop4h 48m
Fri 10/912:35 pm -
1 stop4h 08m
Deal found 9/8![Delta logo]()
$387
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 10/57:01 pm -
1 stop4h 21m
Fri 10/96:00 am -
1 stop6h 13m
Deal found 9/9![United Airlines logo]()
$433
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 10/98:00 am -
1 stop6h 29m
Sun 10/117:45 am -
1 stop4h 30m
Deal found 9/10![United Airlines logo]()
$404
One-way flights from St. Louis to DuluthSearch for one-way flight options from St. Louis to Duluth. Find affordable one-way fares based on user searches. Data last updated September 13, 2026.
Search for one-way flight options from St. Louis to Duluth. Find affordable one-way fares based on user searches. Data last updated September 13, 2026.
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 10/78:00 am -
1 stop6h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![United Airlines logo]()
$163
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 10/235:36 pm -
1 stop5h 46m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![United Airlines logo]()
$286
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/237:20 pm -
2 stops16h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Delta logo]()
$304
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.
Sat 9/198:00 am -
1 stop6h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![United Airlines logo]()
$418
Find flight deals from St. Louis to Duluth
Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Duluth (DLH). 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 | $326 (Delta) |
One-way from | $163 (United Airlines) |
Popular in | September |
Cheapest in | April |
Average price | $661 |
Cheapflights Fare Finder
Customize your flight search to find flights from St. Louis to Duluth 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 Duluth that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
St. LouisDuluth
STL Lambert-St Louis - DLH Duluth Intl
STLDLH
Lambert-St Louis
Fri 10/23
5:36 pm-11:22 pm
1 stop5h 46m
Duluth Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$286
St. LouisDuluth
STL Lambert-St Louis - DLH Duluth Intl
STLDLH
Lambert-St Louis
Fri 10/23
7:20 pm-11:44 am
2 stops16h 24m
Duluth Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$304
St. LouisDuluth
STL Lambert-St Louis - DLH Duluth Intl
STLDLH
Lambert-St Louis
Sun 10/4
11:21 am-3:29 pm
1 stop4h 08m
Duluth Intl
Sun 10/11
12:35 pm-4:46 pm
1 stop4h 11m
$353
St. LouisDuluth
STL Lambert-St Louis - DLH Duluth Intl
STLDLH
Lambert-St Louis
Fri 10/2
6:15 am-11:03 am
1 stop4h 48m
Duluth Intl
Sun 10/4
5:15 am-10:31 am
1 stop5h 16m
$373
St. LouisDuluth
STL Lambert-St Louis - DLH Duluth Intl
STLDLH
Lambert-St Louis
Fri 10/2
11:35 am-6:19 pm
1 stop6h 44m
Duluth Intl
Mon 10/5
3:10 pm-9:21 pm
1 stop6h 11m
$380
St. LouisDuluth
STL Lambert-St Louis - DLH Duluth Intl
STLDLH
Lambert-St Louis
Sat 9/26
6:00 am-10:42 am
1 stop4h 42m
Duluth Intl
Mon 9/28
3:10 pm-9:21 pm
1 stop6h 11m
$393
St. LouisDuluth
STL Lambert-St Louis - DLH Duluth Intl
STLDLH
Lambert-St Louis
Sat 9/19
8:00 am-2:29 pm
1 stop6h 29m
Duluth Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$418
St. LouisDuluth
STL Lambert-St Louis - DLH Duluth Intl
STLDLH
Lambert-St Louis
Wed 10/7
9:00 am-11:22 pm
2 stops14h 22m
Duluth Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$427
St. LouisDuluth
STL Lambert-St Louis - DLH Duluth Intl
STLDLH
Lambert-St Louis
Mon 10/5
7:01 pm-11:22 pm
1 stop4h 21m
Duluth Intl
Fri 10/9
6:00 am-12:13 pm
1 stop6h 13m
$433
St. LouisDuluth
STL Lambert-St Louis - DLH Duluth Intl
STLDLH
Lambert-St Louis
Fri 10/9
8:00 am-2:29 pm
1 stop6h 29m
Duluth Intl
Mon 10/12
11:18 am-3:43 pm
1 stop4h 25m
$512
Showing 1-10 of 13 resultsSorted by cheapest first
Compare providers for flights from St. Louis to Duluth
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 St. Louis to Duluth 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 St. Louis-Duluth flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Duluth flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-Duluth flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on St. Louis-Duluth 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-Duluth 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 Duluth
Have a flexible travel schedule? Discover the best time to fly to Duluth from St. Louis with our price prediction graph.
STL-DLH
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.
Cheapflights Insights
Everything you need to know about your flight from St. Louis to Duluth
Reviews of airlines servicing Duluth
Get insights into the airlines that provide service to Duluth. 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 Duluth. Reviews last updated September 13, 2026.
Peruse reviews from past customers who have flown with Delta from St. Louis to Duluth to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Overall
7.8
Crew
8.5
Entertainment
7.8
Food
7.2
Comfort
7.8
Reviews
1 / 20
4.0
OkayAnonymous,Aug 2023
BDL - MSP
Boarding
8.1
Overall
7.8
Crew
8.5
Entertainment
7.8
Food
7.2
Comfort
7.8
Reviews
1 / 20
4.0
OkayAnonymous,Aug 2023
BDL - MSP
Related info for your journey
Find useful and relevant information for your journey from St. Louis to Duluth. 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 Duluth?
Book flights to Duluth if you plan to visit one of these locationsTwo Harbors
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Duluth flight routes
Flights by cabin class
Other flight options
Other flights from St. Louis
Popular flights
Alternative routes for St. Louis to Duluth
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Duluth by adding a car rental and/or hotel reservation to your travel itinerary.
Other flights to Duluth
Explore flights to Duluth departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 13, 2026.
Search flights from St. Louis to Duluth by cabin class
Find flights from St. Louis to Duluth, based on your preferred cabin class, be it economy, premium economy, business, or first class.
St. Louis and Duluth flights
Browse other St. Louis and Duluth flight options. Last updated on September 13, 2026.
Other flights from St. Louis
Browse through other flights departing from St. Louis. Flights are based on user searches made on Cheapflights and were last updated on September 13, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top airline flying from St. Louis to Duluth
Discover the top airline that operate flights from St. Louis to Duluth. 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 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$233 | Average$407 | FlexibilityNo cancel fee | On-timeN/A |