Cheap flights from Detroit to St Louis

Round-trip
Economy
Detroit (DTT)
St. Louis (STL)
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Return
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How to find the cheapest flight from
Detroit (DTT) to St Louis (STL)

All the information you need to plan the best DTT to STL flight in 2021: compare Detroit to St Louis flight prices with the expected peak season, weather and rainfall in St Louis.
DTT - STL
Price
C$ 260 - C$ 378
STL
Temperature
7 - 32 °C
STL
Precipitation
57 - 130 mm

Popular in

June

High demand for flights, 17% potential price rise

Cheapest in

January

Best time to find cheap flights, 17% potential price drop

Average price

C$ 295

Average for round-trip flights in July 2021

Round-trip from

C$ 260

From Detroit to St Louis

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from Detroit to St Louis?

Leaving on a Wednesday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 57% on the overall cost on flights from Detroit to St Louis.

How far in advance should I book a flight from Detroit to St Louis?

To save on the cost of your flight from Detroit to St Louis, book at least 39 days before your planned departure. Booking around this time can save you about 26% on the cost of this flight compared to booking a flight leaving this week. We have found prices from C$ 571 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as C$ 682.

What is the cheapest month to fly from Detroit to St Louis?

February is one of the best times of the year to fly to St Louis from Detroit. Prices for February average C$ 537 per person but you can even find prices for as low as C$ 216. The most expensive prices can be found in the month of June. Opting for a February flight can save you 29% on your journey compared to booking in February

When is the cheapest time to fly from Detroit to St Louis (DTT - STL)?

One of the essential ways to save on airfare from Detroit to St Louis is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the afternoon could potentially save you up to 8% on airfare.

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Detroit</span> to <span class="emphasized">St Louis</span> flights.

Flight FAQs

From Detroit to St Louis

Is Detroit weather warmer or cooler than St Louis?

Our data indicates that the weather will be 32 °C on average in the month of July. The temperature in St Louis is typically hotter than in Detroit. If you're traveling when the temperature is at its warmest, push to plan early, as flight price and availability will have an impact on your travels. For the best results, search for flights well in advance or after peak season.

Destination information for St Louis

Things to know before you go - useful duration and weather info for your trip from Detroit to St Louis.
Average temperature for July in St Louis
32.0 °C
Avg rainfall for July in St Louis
101.0 mm

Airports servicing Detroit

Airports servicing St. Louis

Hourly flight availability from Detroit to St Louis

See what time of day planes typically take off from Detroit towards St Louis.
Afternoon Noon to 6 PM 58% of flight departures
Evening 6 PM to midnight 27% of flight departures
Morning 6 AM to noon 14% of flight departures
Early morning Midnight to 6 AM 1% of flight departures
Midnight
6 AM
Noon
6 PM
Weekly flight availability
from Detroit to St Louis
See how many times per day planes take to the skies headed from Detroit to St Louis.
Sunday
5 daily flights
Monday
8 daily flights
Tuesday
8 daily flights
Wednesday
6 daily flights
Thursday
5 daily flights
Friday
3 daily flights
Saturday
0 flights
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