Saint Louis (STL) to London (LHR) flights
An economy award from Saint Louis (STL) to London (LHR) starts at 24,000 miles one way with Qatar Airways Privilege Club on British Airways, plus taxes and fees from $220.60. One airline flies nonstop from Saint Louis (STL) to London (LHR): 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.
How many miles STL to LHR 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.
| Program | Economy | Taxes and fees |
|---|---|---|
| Qatar Airways Privilege ClubOn British Airways | 24,000 | $220.60–1,105.60 |
| Cathay Pacific Asia MilesOn British Airways | 27,000 | $229–483.50 |
| Alaska Atmos RewardsOn British Airways | 27,500 | $200.60–825.60 |
| American AAdvantageOn British Airways | 30,000 | $180.60–805.60 |
| British Airways ClubOn British Airways | 33,000–38,500 | $120.60–1,105.60 |
| Iberia ClubOn British Airways | 33,000–38,500 | $200.60–1,105.60 |
| Qantas Frequent FlyerOn British Airways | 34,700 | $50.60–705.60 |
| JAL Mileage BankOn British Airways | 37,000 | $205.60–705.60 |
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 PricerAirlines flying nonstop from STL to LHR
- British Airwaysoneworld · bookable with 9 programsWho books it
Book STL to LHR with points
Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.
- Alaska Atmos RewardsBooks British Airways
- American AAdvantageBooks British Airways
- British Airways ClubBooks British Airways
- Cathay Pacific Asia MilesBooks British Airways
- Finnair PlusBooks British Airways
- Iberia ClubBooks British Airways
- JAL Mileage BankBooks British Airways
- Qantas Frequent FlyerBooks British Airways
- Qatar Airways Privilege ClubBooks British Airways
STL to LHR 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
- Via Toronto (YYZ)Air Canada the whole way
- Via Chicago (ORD)American Airlines and United Airlines the whole way
- Via Montreal (YUL)Air Canada the whole way
- Via Pittsburgh (PIT)Southwest Airlines, then British Airways
- Via Boston (BOS)American Airlines the whole way+2
- Via New York (EWR)United Airlines the whole way
- Via Philadelphia (PHL)American Airlines the whole way
- Via Baltimore (BWI)Southwest Airlines, then British Airways
- Via Dulles (IAD)United Airlines the whole way
- Via Nashville (BNA)Southwest Airlines, then British Airways
- Via Minneapolis (MSP)Delta Air Lines the whole way
- Via Raleigh/Durham (RDU)Southwest Airlines, then American Airlines
- Via Charlotte (CLT)American Airlines the whole way
- Via Atlanta (ATL)Delta Air Lines the whole way
STL to LHR: common questions
How many miles does STL to LHR cost?
In economy it starts at 24,000 miles one way with Qatar Airways Privilege Club on British Airways, plus taxes and fees from $220.60. Next cheapest: Cathay Pacific Asia Miles (27,000), Alaska Atmos Rewards (27,500) and American AAdvantage (30,000). 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 STL to LHR?
British Airways (oneworld) flies nonstop from Saint Louis (STL) to London (LHR).
How far is Saint Louis from London by plane?
Saint Louis (STL) and London (LHR) 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 STL to LHR 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.
Where can I connect between Saint Louis and London?
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.