United States · 439 miles (707 km)

Detroit (DTW) to Saint Louis (STL) flights

Virgin Atlantic Flying Club logo
7,500 milesCheapest economy award, one way, with Virgin Atlantic Flying Club

An economy award from Detroit (DTW) to Saint Louis (STL) starts at 7,500 miles one way with Virgin Atlantic Flying Club on Delta Air Lines, plus taxes and fees from $5.60. 2 airlines fly nonstop from Detroit (DTW) to Saint Louis (STL): Delta Air Lines and Southwest Airlines. The two airports are 439 miles (707 km) apart. Delta Air Lines is in SkyTeam. There are also 21 ways to fly it with one stop, through Chicago, Chicago and Milwaukee and more.

How many miles DTW to STL costs

Economy, one way, on the nonstop flights, from the Award Flight Pricer's award charts. Ranges run off-peak to peak; "from" is the floor of a dynamic price.

ProgramEconomyTaxes and fees
Virgin Atlantic Flying ClubOn Delta Air Lines7,500$5.60
SAS EuroBonusOn Delta Air Lines15,000$56–112

Business and first class prices are in the Award Flight Pricer. Chart prices need award space on your date, so search it before you transfer points.

Compare every program in the Award Flight Pricer

Airlines flying nonstop from DTW to STL

Book DTW to STL with points

Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.

DTW to STL with one stop

21 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.

  • Via Chicago (MDW)Southwest Airlines the whole way
    Delta Air Lines logo
    Southwest Airlines logo
    Southwest Airlines logo
  • Via Chicago (ORD)American Airlines and United Airlines the whole way
    American Airlines logo
    Delta Air Lines logo
    United Airlines logo
    American Airlines logo
    United Airlines logo
  • Via Milwaukee (MKE)Delta Air Lines, then Southwest Airlines
    Delta Air Lines logo
    Southwest Airlines logo
  • Via Columbus (CMH)Delta Air Lines, then Southwest Airlines
    Delta Air Lines logo
    Southwest Airlines logo
  • Via Cleveland (CLE)Delta Air Lines, then Southwest Airlines
    Delta Air Lines logo
    Southwest Airlines logo
  • Via Nashville (BNA)Southwest Airlines the whole way
    Delta Air Lines logo
    Southwest Airlines logo
    Southwest Airlines logo
  • Via Pittsburgh (PIT)Delta Air Lines, then Southwest Airlines
    Delta Air Lines logo
    Southwest Airlines logo
  • Via Kansas City (MCI)Delta Air Lines, then Southwest Airlines
    Delta Air Lines logo
    Southwest Airlines logo
  • Via Toronto (YYZ)Air Canada the whole way
    Air Canada logo
    Delta Air Lines logo
    Air Canada logo
  • Via Minneapolis (MSP)Delta Air Lines the whole way
    Delta Air Lines logo
    Sun Country Airlines logo
    Delta Air Lines logo
    Southwest Airlines logo
  • Via Omaha (OMA)Delta Air Lines, then Southwest Airlines
    Delta Air Lines logo
    Southwest Airlines logo
  • Via Charlotte (CLT)American Airlines the whole way
    American Airlines logo
    Delta Air Lines logo
    American Airlines logo
    Southwest Airlines logo
  • Via Atlanta (ATL)Delta Air Lines and Frontier Airlines the whole way
    Delta Air Lines logo
    Frontier Airlines logo
    Delta Air Lines logo
    Southwest Airlines logo
    Frontier Airlines logo
  • Via Dulles (IAD)United Airlines the whole way
    Delta Air Lines logo
    United Airlines logo
    United Airlines logo
  • Via Washington (DCA)American Airlines the whole way
    American Airlines logo
    Delta Air Lines logo
    American Airlines logo
    Southwest Airlines logo
See all 21 in Routes

DTW to STL: common questions

How many miles does DTW to STL cost?

In economy it starts at 7,500 miles one way with Virgin Atlantic Flying Club on Delta Air Lines, plus taxes and fees from $5.60. Next cheapest: SAS EuroBonus (15,000). These are award chart prices from the Award Flight Pricer. Programs that price dynamically can cost more on busy dates, so check yours before you transfer points. Business and first class prices are in the pricer too.

Which airlines fly nonstop from DTW to STL?

Delta Air Lines (SkyTeam) and Southwest Airlines fly nonstop from Detroit (DTW) to Saint Louis (STL).

How far is Detroit from Saint Louis by plane?

Detroit (DTW) and Saint Louis (STL) are 439 miles (707 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.

Which points programs can book DTW to STL award flights?

8 programs can book at least one of the nonstop airlines: Aeromexico Rewards, Air France-KLM Flying Blue, China Eastern Eastern Miles, Delta SkyMiles, Garuda Indonesia GarudaMiles, Korean Air SKYPASS, SAS EuroBonus and Virgin Atlantic Flying Club. Which flights each can book depends on its partners, so check the airline before you transfer points.

Where can I connect between Detroit and Saint Louis?

The most direct connections are through Chicago (MDW), Chicago (ORD), Milwaukee (MKE), Columbus (CMH) and Cleveland (CLE). On 12 of them the same airline flies both flights, for example Southwest Airlines through Chicago.

More routes

Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.