Popular in | August |
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Cheapest in | November |
Average price | $823 |
Round-trip from | $318 |
It’s generally more expensive to depart on a Tuesday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.
Travelers have found it’s best to book a flight 28 days in advance to save up to 14% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 28 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from London Heathrow Airport to St. Louis 1-2 weeks in advance for as low as $661, or $887 for flights within the next 24 hours.
Our data shows that November tends to be the cheapest month to fly to St. Louis from London Heathrow Airport. Users have commonly found prices around $774 for the month, but tickets can be as low as $550. Due to multiple factors, prepare for potentially higher prices in August.
It’s optimal to fly from London Heathrow Airport to St. Louis in the afternoon. By choosing this option you can save up to 21% on the cost of your flight, compared to a flight at noon.
Fly from
Fly to
Budget
$702 - $1,164
Route
Depart
Return
Price
London HeathrowLambert-St Louis
LHR - STL
LHRSTL
London Heathrow
Thu 9/26
1 stop18h 58m
Lambert-St Louis
Sun 9/29
1 stop33h 20m
London HeathrowLambert-St Louis
LHR - STL
LHRSTL
London Heathrow
Thu 9/5
1 stop21h 47m
Lambert-St Louis
Tue 9/10
1 stop19h 18m
London HeathrowLambert-St Louis
LHR - STL
LHRSTL
London Heathrow
Wed 11/20
2 stops15h 46m
Lambert-St Louis
Tue 11/26
1 stop15h 41m
London HeathrowLambert-St Louis
LHR - STL
LHRSTL
London Heathrow
Wed 11/20
1 stop13h 25m
Lambert-St Louis
Mon 11/25
1 stop11h 40m
London HeathrowLambert-St Louis
LHR - STL
LHRSTL
London Heathrow
Tue 11/19
1 stop13h 27m
Lambert-St Louis
Tue 11/26
1 stop12h 31m
London HeathrowLambert-St Louis
LHR - STL
LHRSTL
London Heathrow
Tue 11/19
2 stops16h 31m
Lambert-St Louis
Tue 11/26
2 stops14h 25m
London HeathrowLambert-St Louis
LHR - STL
LHRSTL
London Heathrow
Thu 11/21
1 stop13h 41m
Lambert-St Louis
Tue 11/26
1 stop13h 24m
London HeathrowLambert-St Louis
LHR - STL
LHRSTL
London Heathrow
Mon 7/8
1 stop13h 44m
Lambert-St Louis
Mon 10/7
1 stop12h 00m
London HeathrowLambert-St Louis
LHR - STL
LHRSTL
London Heathrow
Fri 10/25
1 stop13h 00m
Lambert-St Louis
Sat 11/2
2 stops47h 25m
STL Temperature | 32 - 80.6 °F |
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If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).
Crew
Food
Boarding
Comfort
Overall
Entertainment
Reviews
When I was going to board, one of the staff members told me that I could not board with my passport bag because it was tree items and I would need to check a bag. This was so stupid ! The bag was small. So I had to put my things in my pockets, put the funny bag inside the other bag. Then go throw it. Then in the plane put everything back again in my funny bag.
Crew
Food
Boarding
Comfort
Overall
Entertainment
Reviews
When I was going to board, one of the staff members told me that I could not board with my passport bag because it was tree items and I would need to check a bag. This was so stupid ! The bag was small. So I had to put my things in my pockets, put the funny bag inside the other bag. Then go throw it. Then in the plane put everything back again in my funny bag.
Crew
Food
Boarding
Comfort
Overall
Entertainment
Reviews
When I was going to board, one of the staff members told me that I could not board with my passport bag because it was tree items and I would need to check a bag. This was so stupid ! The bag was small. So I had to put my things in my pockets, put the funny bag inside the other bag. Then go throw it. Then in the plane put everything back again in my funny bag.
Crew
Food
Boarding
Comfort
Overall
Entertainment
Reviews
When I was going to board, one of the staff members told me that I could not board with my passport bag because it was tree items and I would need to check a bag. This was so stupid ! The bag was small. So I had to put my things in my pockets, put the funny bag inside the other bag. Then go throw it. Then in the plane put everything back again in my funny bag.
Crew
Food
Boarding
Comfort
Overall
Entertainment
Reviews
When I was going to board, one of the staff members told me that I could not board with my passport bag because it was tree items and I would need to check a bag. This was so stupid ! The bag was small. So I had to put my things in my pockets, put the funny bag inside the other bag. Then go throw it. Then in the plane put everything back again in my funny bag.
Crew
Food
Boarding
Comfort
Overall
Entertainment
Reviews
When I was going to board, one of the staff members told me that I could not board with my passport bag because it was tree items and I would need to check a bag. This was so stupid ! The bag was small. So I had to put my things in my pockets, put the funny bag inside the other bag. Then go throw it. Then in the plane put everything back again in my funny bag.
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
Lufthansa | Cheapest$740 | Average$1,099 | FlexibilityNo cancel fee | On-time76% |
United Airlines | Cheapest$754 | Average$1,000 | FlexibilityNo cancel fee | On-time69% |
British Airways | Cheapest$975 | Average$1,141 | FlexibilityNo cancel fee | On-time70% |
American Airlines | Cheapest$990 | Average$1,287 | FlexibilityNo cancel fee | On-time71% |