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St. Louis

Cheap flights from Duluth to St. Louis (DLH - STL)

DLH — STL
Feb 4 — Feb 111
Wed 2/4
Wed 2/11
1 adult, Economy
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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 January 5, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Popular in

February

Cheapest in

December
Provider with most accurate pricing for Duluth Intl-Lambert-St Louis flight deals.
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Provider most trusted by Cheapflights users for Duluth Intl-Lambert-St Louis flights.
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Highest demand for flights based on searches. 15% potential increase in price ($76 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($17 potential savings vs. average RT price).
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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 January.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Duluth-St. Louis flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Duluth-St. Louis flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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.
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 January 5, 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.
Delta
7.9
Good
8,017 reviews

Comfort

7.9

Entertainment

7.8

Boarding

8.1

Crew

8.5

Food

7.2

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,017 reviews
Delta
7.9
Good
8,017 reviews

Comfort

7.9

Entertainment

7.8

Boarding

8.1

Crew

8.5

Food

7.2

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,138 reviews
Delta
7.9
Good
8,017 reviews

Comfort

7.9

Entertainment

7.8

Boarding

8.1

Crew

8.5

Food

7.2

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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.

  • What are the cheapest airlines flying from Duluth to St. Louis round-trip?

    Currently priced at $263, Delta will fly you from Duluth to St. Louis and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on United Airlines for as low as $283. You may be able to fly from Duluth to St. Louis for 36% less than the average price by searching for these airlines.

  • Can I find deals for flights from Duluth to St. Louis that include hotel bookings?

    Yes. In addition to deals on Duluth to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Duluth to St. Louis?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Duluth to St. Louis.

  • Can I find deals for business class flights from Duluth to St. Louis?

    Yes. Cheapflights offers flight deals from Duluth to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Edwardsville
O'Fallon
Swansea
Fairview Heights
Maryland Heights
Collinsville
Eureka
Glencoe
Chesterfield
Alton
Farmington
Festus

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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 2,558,603 searches. Data last updated January 5, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$263Average$368FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$283Average$503FlexibilityNo cancel feeOn-time69%

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