CA $252 Cheap Flights from St. Louis (STL) to Duluth (DLH)

You can find cheap one-way flights from CA $252 and cheap return flights CA $1,149 STL to DLH with Expedia. One-way flights typically cost between CA$318 and CA$547. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when STL to DLH ticket fares go up or down.

The cheapest months to fly from STL to DLH are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.

Enter STL to DLH and your travel dates, then apply the 'Nonstop' filter to see only direct flights.

United is one of the cheapest airlines offering connecting return flights from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Duluth, MN (DLH-Duluth Intl.), with tickets starting from around CA$359 for flights that can be booked for departure within the next year. These prices are per adult for economy/coach class. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.

To find a cheap flight from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Duluth, MN (DLH-Duluth Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.

The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.

There are approximately 17 connecting flights per day from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Duluth, MN (DLH-Duluth Intl.). Some common connection points include O'Hare Intl. (ORD), Minneapolis - St. Paul Intl. (MSP), and Hartsfield-Jackson Atlanta Intl. (ATL).

The earliest flight from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Duluth, MN (DLH-Duluth Intl.) typically departs around 5:00 AM. This flight is operated by United. This is a seasonal service active only in September. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.

You'll typically find the most flights from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Duluth, MN (DLH-Duluth Intl.) on a Friday, with around 14 flights available. This gives you a good selection for your travel plans. Major airlines on this route include United and Delta. Flight options are notably more frequent on Fridays compared to other days of the week, offering you more choices.

The most popular departure times for flights from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Duluth, MN (DLH-Duluth Intl.) are in the early morning, from 6am to 9am. Many major carriers, including Delta and United, offer flights during this window. Many travelers prefer this because it allows for an early start to their day at their destination.

There are no nonstop flights from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Duluth, MN (DLH-Duluth Intl.). For this route, which covers a distance of about 912 kilometres, flights with one stop are your quickest option, typically taking around 4 hours 18 minutes. Flights with two or more stops usually take longer, averaging about 13 hours 30 minutes. Keep in mind that actual travel times can vary based on your specific routing and layover durations.

You can fly first class between STL and DLH. First class cabins are available on Delta and United.

It's easy to earn miles on a St. Louis, MO (STL-Lambert-St. Louis Intl.) to Duluth, MN (DLH-Duluth Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.

*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.

If you're planning to travel to Duluth from Lambert-St. Louis Intl. (STL), you can fly directly into Duluth Intl. (DLH). Some flights may connect through major hubs like Hartsfield-Jackson Atlanta Intl. (ATL), LaGuardia (LGA), or Detroit Metropolitan Wayne County (DTW) before reaching Duluth. Compare routes and airports on Expedia to find the best flight options for your travel plans.

Typically, booking a last minute flight from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Duluth, MN (DLH-Duluth Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.

Securing a St. Louis, MO (STL-Lambert-St. Louis Intl.) to Duluth, MN (DLH-Duluth Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.

If you booked your St. Louis, MO (STL-Lambert-St. Louis Intl.) to Duluth, MN (DLH-Duluth Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.