Cheap flights from Southampton to St. Louis

Return
1 adult
Economy
From?
To?
Sat 11/12
Sat 18/12

How far in advance should I book a flight from Southampton, England to St. Louis?

Find a great deal and save up to 14% by booking at least 57 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Southampton, England to St. Louis within the next two weeks, with the cheapest ticket starting at £640.

When is the cheapest time to fly from Southampton, England to St. Louis (SOU - STL)?

When flying from Southampton, England to St. Louis, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Can I fly to Lambert-St Louis from Southampton Eastleigh right now?

Information is based on travel restrictions from Southampton Eastleigh to Lambert-St Louis

Most visitors from Southampton Eastleigh need to provide a negative COVID-19 test result and/or quarantine to enter Lambert-St Louis.

COVID-19 testing requirements
Visitors from Southampton Eastleigh must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 24 hours before departing to Lambert-St Louis.

Quarantine requirements
Visitors from Southampton Eastleigh are not required to quarantine after entering Lambert-St Louis.

Can I fly back to Southampton Eastleigh from Lambert-St Louis?

Returning to Southampton Eastleigh from Lambert-St Louis

COVID-19 testing requirements
Visitors from Lambert-St Louis must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 48 hours before departing to Southampton Eastleigh.

Quarantine requirements
Visitors from Lambert-St Louis are not required to quarantine after entering Southampton Eastleigh.

Alternative routes for Southampton to St. Louis

See prices for flight routes from nearby airports that may be better suited for you.