Cheap flights from Heathrow to St Louis Downtown-Parks

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The best prices from Heathrow to St Louis Downtown-Parks are usually found in February or January, booked 60 days in advance, depart on a Monday or Friday and return on a Friday

How to find the cheapest flight from
Heathrow (LHR) to St Louis Downtown-Parks (STL)

LHR - STL
Price
£406 - £692
STL
Temperature
7 - 32 °C
STL
Rainfall
57 - 130 mm

Popular in

August

High demand for flights, 22% potential price rise

Cheapest in

February

Best time to find cheap flights, 25% potential price drop

Round-trip from

£406

From Heathrow to St Louis Downtown-Parks

One-way from

£239

One-way flight from Heathrow to St Louis Downtown-Parks

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 return from Heathrow to St Louis Downtown-Parks?

Flights from Heathrow to St Louis Downtown-Parks are generally found to be more expensive on Tuesday. This shouldn't discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to St Louis Downtown-Parks.

How far in advance should I book a flight from Heathrow to St Louis Downtown-Parks?

Users have found that booking a flight from Heathrow to St Louis Downtown-Parks at least 57 days early can save you up to 14% on average compared to booking a flight this week. If booking 57 days before your flight isn’t an option for you, users have found flights from Heathrow to St Louis Downtown-Parks for as little as £599 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as £641 for flights departing within the next 3 days.

When is the cheapest time to fly from Heathrow to St Louis Downtown-Parks (LHR - STL)?

A simple way to save on the total cost of your ticket is to fly from Heathrow to St Louis Downtown-Parks in the evening. If you’re flexible enough to do this you can expect to save up to 18% on your trip compared to booking a flight at midday.

Cheap flights from Heathrow to St Louis Downtown-Parks in February, March 2021

1 Mar - 10 Mar
£404pp
LHR
London Heathrow
Finnair
   
2 STOPS
STL
Lambert-St Louis
STL
Lambert-St Louis
Finnair
 
1 STOP
LHR
London Heathrow
1 Mar - 8 Mar
£405pp
LHR
London Heathrow
Finnair
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Finnair
 
1 STOP
LHR
London Heathrow
25 Mar - 9 Apr
£450pp
LHR
London Heathrow
Lufthansa
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Lufthansa
 
1 STOP
LHR
London Heathrow

Heathrow to St Louis Downtown-Parks 2021 flight deals

1 Mar - 10 Mar
£404pp
LHR
London Heathrow
Finnair
   
2 STOPS
STL
Lambert-St Louis
STL
Lambert-St Louis
Finnair
 
1 STOP
LHR
London Heathrow
1 Mar - 8 Mar
£405pp
LHR
London Heathrow
Finnair
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Finnair
 
1 STOP
LHR
London Heathrow
19 May - 15 Aug
£431pp
LHR
London Heathrow
Lufthansa
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Lufthansa
 
1 STOP
LHR
London Heathrow

One-way flights to St Louis Downtown-Parks from Heathrow

08:00 - 19:24
Lufthansa
1 stop
17h 24m
LHR - STL
Lufthansa
£659
CheapFlights
06:00 - 03:37
Multiple Airlines
2 stops
27h 37m
LHR - STL
Multiple Airlines
£280
Gotogate
14:25 - 05:15
Multiple Airlines
3 stops
44h 50m
LHR - STL
Multiple Airlines
£239
Kiwi.com

Related info for your journey

Flight FAQs

From Heathrow to St Louis Downtown-Parks

Are flight prices decreasing from Heathrow to St Louis due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Heathrow and St Louis for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

Which airlines flying from London Heathrow to Lambert-St Louis have flexible cancellations due to COVID-19?

Some of the carriers operating flights from London Heathrow to Lambert-St Louis that may be offering flexible cancellation policies are Finnair, American Airlines, and United Airlines. Our site will let you filter for all airlines offering greater flexibility due to COVID-19.

Can I find flights from Heathrow to St Louis Downtown-Parks for under £495 on Cheapflights?

Yes, there are multiple flights from Heathrow to St Louis Downtown-Parks for under £495. The cheapest flight booked recently is on Lufthansa for just £431, but on average you can expect to pay £513.

Are there direct flights from Heathrow to St Louis Downtown-Parks for under £424 on Cheapflights?

There are no direct flights from Heathrow to St Louis Downtown-Parks, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.

Does it rain more in Heathrow or St Louis?

The rainfall in Heathrow is generally same as the rainfall in St Louis. This will continue over the next 20 days.

Is Heathrow weather warmer or cooler than St Louis?

Expect the weather to be around 32 °C on average in July. As the temperature peaks, try to get your plans done early, as flight price and availability will have an impact on your travels. The climate in St Louis is generally hotter than in Heathrow.

How long does is the flight from Heathrow to St Louis Downtown-Parks?

Departing from Heathrow to St Louis Downtown-Parks will take you 12h 08m. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

What are the cheapest airlines to flying from Heathrow to St Louis Downtown-Parks return?

Lufthansa, at £432, was found to be the cheapest airline from Heathrow to St Louis Downtown-Parks.Alternate airlines flying return to your destination include Finnair and Air Canada. Lufthansa is 20% cheaper than the average price of flights available within the next 90 days to this destination.

What are the cheapest airlines to fly from Heathrow to St Louis Downtown-Parks one-way?

For one-way options, check prices for Lufthansa. According to our data, you can fly for as low as £659.

Alternative routes for Heathrow to St Louis Downtown-Parks

Destination information for St Louis Downtown-Parks

Today's exchange rate
£1 = $1.42
Average temperature for February in St Louis Downtown-Parks
9.0 °C
Avg rainfall for February in St Louis Downtown-Parks
57.0 mm

Airports servicing London

Airports servicing St. Louis

Top 7 airlines flying from Heathrow to St Louis Downtown-Parks

Airline Cheapest Average Flexibility On-time COVID-19 safety
Iberia
£451 £687 No cancel fee 77%
Search Iberia flights
Finnair
£526 £743 No cancel fee 76%
Search Finnair flights
American Airlines
£492 £746 No cancel fee 71%
Search American Airlines flights
United Airlines
£563 £854 No cancel fee 69%
Search United Airlines flights
British Airways
£475 £1,024 No cancel fee 70%
Search British Airways flights
Virgin Atlantic
£849 £1,106 No cancel fee 72%
Search Virgin Atlantic flights
Air Canada
£691 £1,191 No cancel fee 67%
Search Air Canada flights
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