
Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Stansted (STN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 9, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $867 (Mytrip) |
One-way from | $390 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $1,003 |
Fly from
Fly to
Route
Depart
Return
St. LouisLondon
STL Lambert-St Louis - STN London Stansted
STLSTN
Lambert-St Louis
Tue 3/16
10:30 am-7:45 pm
2 stops28h 15m
London Stansted
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
St. LouisLondon
STL Lambert-St Louis - STN London Stansted
STLSTN
Lambert-St Louis
Mon 2/1
4:05 pm-11:45 pm
3 stops25h 40m
London Stansted
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
St. LouisLondon
STL Lambert-St Louis - STN London Stansted
STLSTN
Lambert-St Louis
Mon 2/15
2:21 pm-5:10 pm
3 stops20h 49m
London Stansted
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
St. LouisLondon
STL Lambert-St Louis - STN London Stansted
STLSTN
Lambert-St Louis
Wed 3/3
3:40 pm-3:40 pm
2 stops18h 00m
London Stansted
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
St. LouisLondon
STL Lambert-St Louis - STN London Stansted
STLSTN
Lambert-St Louis
Sun 3/7
4:05 pm-7:10 pm
3 stops21h 05m
London Stansted
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
St. LouisLondon
STL Lambert-St Louis - STN London Stansted
STLSTN
Lambert-St Louis
Sun 3/28
3:30 pm-8:50 pm
3 stops23h 20m
London Stansted
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
St. LouisLondon
STL Lambert-St Louis - STN London Stansted
STLSTN
Lambert-St Louis
Sun 3/21
4:40 pm-8:25 pm
3 stops22h 45m
London Stansted
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
St. LouisLondon
STL Lambert-St Louis - STN London Stansted
STLSTN
Lambert-St Louis
Wed 3/17
2:10 pm-1:35 pm
3 stops18h 25m
London Stansted
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
St. LouisLondon
STL Lambert-St Louis - STN London Stansted
STLSTN
Lambert-St Louis
Mon 11/23
7:30 am-9:55 am
2 stops44h 25m
London Stansted
Wed 12/2
10:55 am-9:57 pm
2 stops41h 02m
St. LouisLondon
STL Lambert-St Louis - STN London Stansted
STLSTN
Lambert-St Louis
Thu 1/14
7:29 am-9:55 am
2 stops20h 26m
London Stansted
Fri 1/22
5:20 pm-9:37 pm
2 stops34h 17m
Find useful and relevant information for your journey from St. Louis to Stansted. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.