Cheap flights from St. Louis (STL) to Southampton (SOU)

STL — SOU
May 13 — May 201

Cheap flight deals from St. Louis to Southampton

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Southampton (SOU). 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 May 8, 2024.

Popular in

June

Cheapest in

February

Average price

$1,381

Round-trip from

$643
High demand for flights, 33% potential price rise
Best time to find cheap flights, 31% potential price drop
Average for round-trip flights in May 2024
From Lambert-St Louis to Southampton Eastleigh

What is the cheapest day to fly round-trip from St. Louis to Southampton?

Monday flights are found to be more expensive to fly from St. Louis to Southampton. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Southampton.

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

Travelers have found it’s best to book a flight 10 days in advance to save up to 13% 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 10 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 St. Louis to Southampton 1-2 weeks in advance for as low as $586, or $938 for flights within the next 24 hours.

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

Our data shows that February tends to be the cheapest month to fly to Southampton from St. Louis. Users have commonly found prices around $934 for the month, but tickets can be as low as $621. Due to multiple factors, prepare for potentially higher prices in June.

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

It’s typically best to fly out from St. Louis to Southampton in the morning. Doing so could potentially save you 5% on the flight price compared to flying at noon, which is usually more expensive.

When is the cheapest time to fly from St. Louis to Southampton?

Use this chart to determine the cheapest time to fly round-trip from St. Louis to Southampton. Price data was last updated on May 5, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their St. Louis to Southampton flight should consider departing on Sunday mornings when fares are most often at their lowest. Tuesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
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Average price of flights to Southampton by month

Plan your trip from St. Louis to Southampton by taking into account the cheapest months to travel. The average price of a one-way flight from St. Louis to Southampton is currently $0 while a round-trip flight costs $0. Price data was last updated on May 5, 2024.

Currently, November is the cheapest month in which you can book a flight from St. Louis to Southampton (average of $724). Flying from St. Louis to Southampton in June is currently the most expensive (average of $1,370). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

January

$765

February

$791

March

$799

April

$962

May

$979

June

$1,370

July

$1,317

August

$1,122

September

$975

October

$794

November

$724

December

$980

Temperature and rainfall in Southampton by month

Plan your trip to Southampton by taking into account the average temperature and rainfall totals by month.

LON

Temperature

39.2 - 62.6 °F

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Southampton. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What does STL to SOU mean?

    Great question - STL to SOU just means Lambert-St Louis Airport to Southampton Eastleigh Airport. Now you’ll know what these unique codes when you look for flights!

  • Can I find deals for flights from St. Louis to Southampton that include extra baggage allowance?

    The amount of baggage you can bring on your St. Louis to Southampton flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from St. Louis to Southampton with specific airlines?

    Yes, Cheapflights allows you to browse and filter St. Louis to Southampton flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from St. Louis to Southampton that include hotel bookings?

    Yes. In addition to deals on St. Louis to Southampton flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Southampton?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Southampton.

  • Can I find deals for business class flights from St. Louis to Southampton?

    Yes. Cheapflights offers flight deals from St. Louis to Southampton by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from St. Louis to Southampton that allow pets onboard?

    Many airlines flying from St. Louis to Southampton offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from St. Louis to Southampton?

    Yes, you can often find last-minute deals on St. Louis to Southampton flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

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Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from St. Louis to Southampton

Discover the top airline that operate flights from St. Louis to Southampton. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,752,338 searches. Data last updated May 8, 2024.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$822Average$1,142FlexibilityNo cancel feeOn-time75%
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Search flights from St. Louis to Southampton by cabin class

Find flights from St. Louis to Southampton, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from St. Louis to Southampton?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Southampton from St. Louis today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from St. Louis to Southampton?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from St. Louis to Southampton for you. Better yet — we are completely free to use.

Can Cheapflights find flights from St. Louis to Southampton with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from St. Louis to Southampton, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from St. Louis to Southampton become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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