United Kingdom to United States · 4,190 miles (6,743 km)

London (LHR) to Saint Louis (STL) flights

One airline flies nonstop from London (LHR) to Saint Louis (STL): British Airways. The two airports are 4,190 miles (6,743 km) apart. British Airways is in oneworld. There are also 34 ways to fly it with one stop, through Detroit, Toronto and Chicago and more.

Airlines flying nonstop from LHR to STL

Book LHR to STL with points

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

LHR to STL with one stop

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

  • Via Detroit (DTW)Delta Air Lines the whole way
    Delta Air Lines logo
    Delta Air Lines logo
    Southwest Airlines logo
  • Via Toronto (YYZ)Air Canada the whole way
    Air Canada logo
    British Airways logo
    Virgin Atlantic logo
    Air Canada logo
  • Via Chicago (ORD)American Airlines and United Airlines the whole way
    American Airlines logo
    British Airways logo
    United Airlines logo
    American Airlines logo
    United Airlines logo
  • Via Montreal (YUL)Air Canada the whole way
    Air Canada logo
    British Airways logo
    Air Canada logo
  • Via Pittsburgh (PIT)British Airways, then Southwest Airlines
    British Airways logo
    Southwest Airlines logo
  • Via Boston (BOS)American Airlines the whole way
    British Airways logo
    Delta Air Lines logo
    Virgin Atlantic logo
    +2
    Southwest Airlines logo
    American Airlines logo
  • Via New York (EWR)United Airlines the whole way
    British Airways logo
    United Airlines logo
    United Airlines logo
  • Via Philadelphia (PHL)American Airlines the whole way
    American Airlines logo
    British Airways logo
    American Airlines logo
    Southwest Airlines logo
  • Via Baltimore (BWI)British Airways, then Southwest Airlines
    British Airways logo
    Southwest Airlines logo
  • Via Dulles (IAD)United Airlines the whole way
    British Airways logo
    United Airlines logo
    Virgin Atlantic logo
    United Airlines logo
  • Via Nashville (BNA)British Airways, then Southwest Airlines
    British Airways logo
    Southwest Airlines logo
  • Via Minneapolis (MSP)Delta Air Lines the whole way
    Delta Air Lines logo
    Delta Air Lines logo
    Southwest Airlines logo
  • Via Raleigh/Durham (RDU)American Airlines, then Southwest Airlines
    American Airlines logo
    Southwest Airlines logo
  • Via Charlotte (CLT)American Airlines the whole way
    American Airlines logo
    American Airlines logo
    Southwest Airlines logo
  • Via Atlanta (ATL)Delta Air Lines the whole way
    British Airways logo
    Delta Air Lines logo
    Virgin Atlantic logo
    Delta Air Lines logo
    Southwest Airlines logo
    Frontier Airlines logo
See all 34 in Routes

LHR to STL: common questions

Which airlines fly nonstop from LHR to STL?

British Airways (oneworld) flies nonstop from London (LHR) to Saint Louis (STL).

How far is London from Saint Louis by plane?

London (LHR) and Saint Louis (STL) are 4,190 miles (6,743 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.

Which points programs can book LHR to STL award flights?

9 programs can book at least one of the nonstop airlines: Alaska Atmos Rewards, American AAdvantage, British Airways Club, Cathay Pacific Asia Miles, Finnair Plus, Iberia Club, JAL Mileage Bank, Qantas Frequent Flyer and 1 more. Which flights each can book depends on its partners, so check the airline before you transfer points.

How many miles does LHR to STL cost?

It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for LHR to STL with taxes and fees.

Where can I connect between London and Saint Louis?

The most direct connections are through Detroit (DTW), Toronto (YYZ), Chicago (ORD), Montreal (YUL) and Pittsburgh (PIT). On 21 of them the same airline flies both flights, for example Delta Air Lines through Detroit.

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.