Cheap flights from Duluth to St. Louis

Choose between Delta Air Lines, WN, or United Airlines to find the best price

Why travel with Kiwi.com?

Customer support

We’ve got you covered if anything goes wrong.

Secure payment

Join millions of travelers booking with us.

Hundreds of carriers

Compare 600+ of carriers in one search to find the best deal.

Travelers usually depart from Duluth International, Duluth, MN Bus Station, Duluth, MN - University of Minnesota station, or Duluth, MN - Hobby Lobby when they travel from Duluth to St. Louis. Book your trip to arrive at St. Louis Lambert International, or St. Louis Union Station. The most popular airlines for this route are Delta Air Lines, WN, United Airlines, American Airlines, and Frontier Airlines.

Check-in for a flight from Duluth to St. Louis

NameCarrier codeIATA CodePassport needed during bookingAirport check-in closesOnline check-in available
Delta Air LinesDALDLYesUnknownNo
WNSWAWNNoUnknownNo
United AirlinesUALUAYesUnknownNo
American AirlinesAALAAYesUnknownNo
Frontier AirlinesFFTF9NoUnknownNo

Frequently asked questions

What are the most popular routes to and from Duluth?

Travelers frequently search for route combinations, such as Duluth and McCarran International, Phoenix Sky Harbor International, Denver International, Tampa International, Hartsfield–Jackson Atlanta International, Dallas/Fort Worth International, Salt Lake City International, Washington Dulles International, Portland International, John Wayne, Ontario International.

What are the most popular routes to and from St. Louis?

Travelers frequently search for route combinations, such as St. Louis and Orlando International, Miami International, Denver International, San Francisco International, Philadelphia International, Ontario International, Owensboro–Daviess County Regional, Jonesboro Municipal, Williamson County Regional, Quincy Regional, Waynesville-St. Robert Regional.

What airports are near Duluth?

The main airport in Duluth is Duluth International. It is also served by Minneapolis–Saint Paul International, Duluth International, Gogebic–Iron County, St. Cloud Regional, Chippewa Valley Regional, Bemidji Regional, Brainerd Lakes Regional, Range Regional, Falls International, Fort Frances Municipal.

What airports are near St. Louis?

The main airport in St. Louis is St. Louis Lambert International. It is also served by St. Louis Lambert International, General Wayne A. Downing Peoria International, Central Illinois Regional, MidAmerica St. Louis, Evansville Regional, Williamson County Regional, Columbia Regional, Waynesville-St. Robert Regional, Quincy Regional, Decatur.

What buses and trains depart from Duluth?

A number of bus and train companies depart from Duluth, including Indian Trails, Jefferson Lines.

Is it possible to combine flights, buses, and trains in one itinerary when traveling between Duluth and St. Louis?

What is Virtual Interlining and how do I use it?

Which airlines fly between Duluth and St. Louis?

When's the best time to travel between Duluth and St. Louis?

What flights operate between Duluth and St. Louis?

How many airports are there near Duluth?

How many airports are there near St. Louis?

Is it possible to reach Duluth by bus or train?

What time do nonstop (direct) flights between Duluth and St. Louis depart?

What time do nonstop (direct) flights between Duluth and St. Louis arrive?

What time do flights between Duluth and St. Louis depart?

What time do flights between Duluth and St. Louis arrive?

Planning a trip? Thanks to our Virtual Interlining algorithm, we offer billions of route combinations between any A and any B in the world by plane, train, and bus. Find the cheapest routes and best deals for you, as well as the best dates on which to travel.

Find the best connection from Duluth to St. Louis

Search, compare, and book flights, trains, or buses to get there.

Search flights, trains & buses