Cheap flights from Southampton to St. Louis

SOU — STL
17 Aug — 24 Aug1
Return
1 adult
Economy
From?
To?
Wed 17/8
Wed 24/8

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

Find a great deal and save up to 8% by booking at least 46 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 to St. Louis within the next two weeks, with the cheapest ticket starting at £700.

What is the cheapest month to fly from Southampton to St. Louis?

Due to multiple factors, expect to potentially pay more when booking in July. For low rates, January can be a great choice for travel to St. Louis. Flights to St. Louis from Southampton in January are about £672 on average during January, but can be found for as low as £509.

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

When flying from Southampton 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.

Alternative routes for Southampton to St. Louis

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