C Cityvator Cheap flights worldwide Part of Putivator
Flights Destinations Beaches Map Services Booking Collections Ratings
Home / St Louis — London

Cheap flights St Louis — London

St Louis (STL, US) London (LON, GB)
from $377 6 760 km ~8h 27m 1 flights found 1 airlines cheapest on Thursday
Reverse route
How many travellers?
Adults
12+ years
1
Children
2–11 years
0
Infants
under 2
0
Choose your departure date
Cheapest: $377 on 06.01.2027
Prices shown are from searches by other travellers over the last 24 hours. Missing a date? Click any day — we'll find tickets anyway.
November 2026
Mo
Tu
We
Th
Fr
Sa
Su
December 2026
Mo
Tu
We
Th
Fr
Sa
Su
January 2027
Mo
Tu
We
Th
Fr
Sa
Su
Prices found for 2 of 90 days. Prices update as more travellers search. Click any date to search live.
Depart
—
Return
—
Cheapest flights found
07 Jan 2027, Thu
Frontier Airlines F9 4567
03:20
STL Lambert-St. Louis International Airport
16:36
LHR London Heathrow Airport
13h 16m 2 stops
Kiwi.com
$377
View this ticket
Route characteristics
Distance
6 760 km
Flight time
8h 27m
Time difference
+6h
Minimum price
from $377 (06.01.2027)
Average price
$377
Maximum price
$377
Cheapest day
Thursday
Departure airports (1)
STL Lambert-St. Louis International Airport
Arrival airports (1)
LHR London Heathrow Airport
Airlines (1)
F9 Frontier Airlines
Agencies (1)
Kiwi.com
Airlines — cheapest prices 1
Frontier Airlines
Frontier Airlines
Low-cost 1 flights · 1 days
$377
Where to buy tickets 1
Kiwi.com
1 tickets · 1 days
from $377
Airports

From — St Louis (1)

  • STL Lambert-St. Louis International Airport

To — London (1)

  • LHR London Heathrow Airport
Other destinations from St Louis
Burlington
US
Decatur
US
Jonesboro
US
Cape Girardeau
US
Kirksville
US
Marion
US
Owensboro
US
Fort Leonard Wood
US
Quincy
US
Dallas
US · Hub
Los Angeles
US · Hub
Miami
US · Hub
Frequently asked questions about the route St Louis — London
How long is the flight from St Louis to London?
Approximate flight time — 8h 27m. This is an average for a direct flight. With connections, the time may be longer.
What is the distance from St Louis to London?
The straight-line distance — 6 760 km.
How much do flights from St Louis to London cost?
The minimum price over 3 months — from $377 on 06.01.2027.
What is the average ticket price?
The average price — $377. Range: $377 — $377.
What is the time difference between St Louis and London?
The difference — +6h.
From which airports does St Louis operate flights?
From St Louis: STL (Lambert-St. Louis International Airport).
To which airports in London do flights arrive?
To London: LHR (London Heathrow Airport).
Which airlines fly this route?
This route is served by 1 airline: Frontier Airlines.
Which day of the week is cheapest?
The cheapest day of the week — Thursday.
When is the best time to buy tickets?
Optimal — 1–3 months before departure. Check the calendar above — it shows the best dates.
How do I book flights?
Click "View this ticket" on any flight card — you'll be redirected to the booking page with this specific ticket pre-selected.
About the route St Louis — London

Flights St Louis — London is a popular route. The straight-line distance is 6 760 km. Flight time 8h 27m. Time difference +6h.

From St Louis (STL) flights depart from 1 airport: STL. To London (LON) — 1 arrival airport: LHR.

1 airline operate on this route: Frontier Airlines.

The minimum price for the next 3 months — from $377 (06.01.2027). The cheapest dates are highlighted in the calendar above.

The average ticket price — $377, ranging from $377 to $377. Book 1–3 months in advance to get the best deals.

Cheapest day to fly — Thursday.

Cheap flights worldwide. Search and compare prices from 1 159 airlines across 9 546 cities.

Flights

Flight search Destinations Beaches Map Services Booking Collections Ratings

Data

Open API for AI llms.txt ai.txt

Documents

Privacy Policy Terms of Use

Contacts

info@cityvator.com Part of Putivator
© 2026 Cityvator — flight search engine Data from open sources · Open API for AI