Cheap flights from Southampton to St Louis

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Mon 2/11
Mon 9/11
From
#smartAirportField( "origin${leg}", $options['origin'], $options['originCode'], "#string('FROM_TO_INPUT_PLACEHOLDER_FFD')", "origin$leg", "origincode$leg" ) #nearbyAirportField("nearbyOriginCheck$leg", $nearbyO, false "$!options['origin']")
To
#smartAirportField( "destination${leg}", $options['destination'], $options['destinationCode'], "#string('FROM_TO_INPUT_PLACEHOLDER_FFD')", "destination${leg}", "destinationcode${leg}" ) #nearbyAirportField("nearbyDestinationCheck${leg}", $nearbyD, false, "$!options['destination']")
Leaving on
Mon 2/11
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Anytime
From
#smartAirportField( "origin${leg}", $options['origin'], $options['originCode'], "#string('FROM_TO_INPUT_PLACEHOLDER_FFD')", "origin$leg", "origincode$leg" ) #nearbyAirportField("nearbyOriginCheck$leg", $nearbyO, false "$!options['origin']")
To
#smartAirportField( "destination${leg}", $options['destination'], $options['destinationCode'], "#string('FROM_TO_INPUT_PLACEHOLDER_FFD')", "destination${leg}", "destinationcode${leg}" ) #nearbyAirportField("nearbyDestinationCheck${leg}", $nearbyD, false, "$!options['destination']")
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#removeLegButton($self.id("removeLeg$leg"))
From
#smartAirportField( "origin${leg}", $options['origin'], $options['originCode'], "#string('FROM_TO_INPUT_PLACEHOLDER_FFD')", "origin$leg", "origincode$leg" ) #nearbyAirportField("nearbyOriginCheck$leg", $nearbyO, false "$!options['origin']")
To
#smartAirportField( "destination${leg}", $options['destination'], $options['destinationCode'], "#string('FROM_TO_INPUT_PLACEHOLDER_FFD')", "destination${leg}", "destinationcode${leg}" ) #nearbyAirportField("nearbyDestinationCheck${leg}", $nearbyD, false, "$!options['destination']")
Leaving on
Depart
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#removeLegButton($self.id("removeLeg$leg"))
From
#smartAirportField( "origin${leg}", $options['origin'], $options['originCode'], "#string('FROM_TO_INPUT_PLACEHOLDER_FFD')", "origin$leg", "origincode$leg" ) #nearbyAirportField("nearbyOriginCheck$leg", $nearbyO, false "$!options['origin']")
To
#smartAirportField( "destination${leg}", $options['destination'], $options['destinationCode'], "#string('FROM_TO_INPUT_PLACEHOLDER_FFD')", "destination${leg}", "destinationcode${leg}" ) #nearbyAirportField("nearbyDestinationCheck${leg}", $nearbyD, false, "$!options['destination']")
Leaving on
Depart
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#removeLegButton($self.id("removeLeg$leg"))
From
#smartAirportField( "origin${leg}", $options['origin'], $options['originCode'], "#string('FROM_TO_INPUT_PLACEHOLDER_FFD')", "origin$leg", "origincode$leg" ) #nearbyAirportField("nearbyOriginCheck$leg", $nearbyO, false "$!options['origin']")
To
#smartAirportField( "destination${leg}", $options['destination'], $options['destinationCode'], "#string('FROM_TO_INPUT_PLACEHOLDER_FFD')", "destination${leg}", "destinationcode${leg}" ) #nearbyAirportField("nearbyDestinationCheck${leg}", $nearbyD, false, "$!options['destination']")
Leaving on
Depart
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Anytime
#removeLegButton($self.id("removeLeg$leg"))
From
#smartAirportField( "origin${leg}", $options['origin'], $options['originCode'], "#string('FROM_TO_INPUT_PLACEHOLDER_FFD')", "origin$leg", "origincode$leg" ) #nearbyAirportField("nearbyOriginCheck$leg", $nearbyO, false "$!options['origin']")
To
#smartAirportField( "destination${leg}", $options['destination'], $options['destinationCode'], "#string('FROM_TO_INPUT_PLACEHOLDER_FFD')", "destination${leg}", "destinationcode${leg}" ) #nearbyAirportField("nearbyDestinationCheck${leg}", $nearbyD, false, "$!options['destination']")
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#removeLegButton($self.id("removeLeg$leg"))
#infantInLapWarning('multiRightOfTravelers')

How to find the cheapest flight from
Southampton (SOU) to St Louis (STL)

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

Travellers have found it’s best to book a flight 49 days in advance to save up to 0% 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 49 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 Southampton to St Louis 1-2 weeks in advance for as low as £576, or £576 for flights within the next 24 hours.

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

Our data shows that March tends to be the cheapest month to fly to St Louis from Southampton. Users have commonly found prices around £588 for the month, but tickets can be as low as £409. Due to multiple factors, prepare for potentially higher prices in July.

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Southampton to St Louis as you normally would.

Related info for your journey

Useful info, stats and facts about Southampton to St Louis flights.

Flight FAQs

From Southampton to St Louis

Are flight prices decreasing from Southampton 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 Southampton 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.

Does it rain more in Southampton or St Louis?

When travelling, it's generally smart to pack in preparation for rain or any other conditions that may arise. The rainfall in Southampton is roughly similar to St Louis. You can assume this to be the case over the next 12 days.

Is Southampton weather warmer or cooler than St Louis?

Our data indicates that the weather will be 32 °C on average in the month of July. The temperature in St Louis is typically hotter than in Southampton. If you're traveling when the temperature is at its warmest, push to plan early, as flight price and availability will have an impact on your travels. For the best results, search for flights well in advance or after peak season.

Alternative routes for Southampton to St Louis

Destination information for St Louis

Things to know before you go. Useful info for your trip from Southampton to St Louis
Today's exchange rate
£1 = $1.31
Average temperature for October in St Louis
22.0 °C
Avg rainfall for October in St Louis
71.0 mm

Airports servicing Southampton

Airports servicing St. Louis

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