Cheap flights from St. Louis to Duluth from $204
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Duluth departing on 7/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from St. Louis to Duluth
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Duluth?
The cheapest month to fly to Duluth from St. Louis is in April. Flight prices, which tend to average around $238, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of April, then book flights to Duluth from St. Louis during January instead. Flights to Duluth in January, while not as cheap as those in April, still average around $278.
What is the cheapest day to depart on your flight to Duluth?
The cheapest day to depart from St. Louis to Duluth is on a Tuesday when prices can be found for as low as $262. On the other hand, Monday is the most expensive day to depart from St. Louis because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $577.
When to book flights from St. Louis to Duluth
Cheap St. Louis to Duluth (STL to DLH) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from St. Louis to Duluth
How far is Lambert-St Louis to Duluth Intl by plane?
Lambert-St Louis and Duluth Intl are 571.3 mi apart from one another. In terms of flight time, this usually takes a little over 4h 35m.
When did momondo last update prices for flights from Lambert-St Louis Airport to Duluth Intl Airport?
Prices for flights from Lambert-St Louis Airport to Duluth Intl Airport were last updated today.
How many operators does momondo search for flights from Lambert-St Louis Airport to Duluth Intl Airport?
As of June 2025, there are 2 operators available to choose from for flights from Lambert-St Louis Airport to Duluth Intl Airport.
How old do you have to be to fly from Lambert-St Louis Airport to Duluth Intl Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Duluth Intl Airport.
What documentation or ID do you need to fly to Duluth Intl Airport?
The necessary travel and health documents for your Duluth Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from St. Louis to Duluth?
momondo data reveals that the most frequently booked airline on the route from St. Louis to Duluth is Delta, representing 66% of all bookings. The subsequent popular airline is United Airlines at 34%.
Best airlines flying from St. Louis to Duluth
Compare and see reviews for airlines that fly from St. Louis to Duluth with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $238 | Free Cancellation | Rating 7.4 8,790 reviews | |||
| PriceFrom $238 | Free Cancellation | Rating 8.0 7,946 reviews |
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Why should I use momondo to find a flight deal from St. Louis to Duluth?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from St. Louis to Duluth. momondo saves you time and could save you money on your trip.
Can I find flights from St. Louis to Duluth with flexible booking policies on momondo?
Flights from St. Louis to Duluth with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
How can momondo help me find flights from St. Louis to Duluth?
Once you have performed a search for St. Louis to Duluth flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from St. Louis to Duluth right now. Can momondo alert me if prices change?
If you are not ready to book a flight from St. Louis to Duluth now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Duluth and let you know when they change.