£643 Cheap Flights to St. Clair County

Popular airlines to St. Clair County

  • British Airways

    British Airways

  • easyJet

    easyJet

  • Lufthansa

    Lufthansa

  • Ryanair

    Ryanair

  • American Airlines

    American Airlines

  • Jet2

    Jet2

  • Swiss International Air Lines

    Swiss International Air Lines

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Top Cities to Visit in St. Clair County

FlightsFlights

East St. Louis

East St. Louis
FlightsFlights

O'Fallon

O'Fallon

Cheap round-trip flights to St. Clair County

Prices were available within the past 7 days and start at £643 for one-way flights and £604 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Scandinavian Airlines
Wed, 1 Oct - Tue, 7 Oct
BHX
Birmingham
STL
St. Louis
£604 Return, found 4 hours ago
£604
Return
found 4 hours ago
Select Scandinavian Airlines flight, departing Wed, 1 Oct from Birmingham to St. Louis, returning Tue, 7 Oct, priced at £604 found 4 hours ago
Scandinavian Airlines
Fri, 19 Sep - Fri, 3 Oct
LHR
London
STL
St. Louis
£604 Return, just found
£604
Return
just found
Select Scandinavian Airlines flight, departing Fri, 19 Sep from London to St. Louis, returning Fri, 3 Oct, priced at £604 just found
Scandinavian Airlines
Fri, 31 Oct - Fri, 7 Nov
MAN
Manchester
STL
St. Louis
£615 Return, found 2 days ago
£615
Return
found 2 days ago
Select Scandinavian Airlines flight, departing Fri, 31 Oct from Manchester to St. Louis, returning Fri, 7 Nov, priced at £615 found 2 days ago
Air Canada
Fri, 19 Sep - Wed, 24 Sep
LHR
London
STL
St. Louis
£628 Return, just found
£628
Return
just found
Select Air Canada flight, departing Fri, 19 Sep from London to St. Louis, returning Wed, 24 Sep, priced at £628 just found
American Airlines
Wed, 1 Oct - Tue, 7 Oct
LGW
London
STL
St. Louis
£691 Return, found 4 hours ago
£691
Return
found 4 hours ago
Select American Airlines flight, departing Wed, 1 Oct from London to St. Louis, returning Tue, 7 Oct, priced at £691 found 4 hours ago
Lufthansa
Sun, 31 Aug - Wed, 24 Sep
LHR
London
STL
St. Louis
£696 Return, found 2 hours ago
£696
Return
found 2 hours ago
Select Lufthansa flight, departing Sun, 31 Aug from London to St. Louis, returning Wed, 24 Sep, priced at £696 found 2 hours ago
Austrian Airlines
Thu, 20 Nov - Sat, 29 Nov
LHR
London
STL
St. Louis
£698 Return, found 7 hours ago
£698
Return
found 7 hours ago
Select Austrian Airlines flight, departing Thu, 20 Nov from London to St. Louis, returning Sat, 29 Nov, priced at £698 found 7 hours ago
British Airways
Mon, 9 Feb - Tue, 17 Feb
LHR
London
STL
St. Louis
£708 Return, found 6 days ago
£708
Return
found 6 days ago
Select British Airways flight, departing Mon, 9 Feb from London to St. Louis, returning Tue, 17 Feb, priced at £708 found 6 days ago
United
Sun, 31 Aug - Sun, 28 Sep
LHR
London
STL
St. Louis
£713 Return, found 2 hours ago
£713
Return
found 2 hours ago
Select United flight, departing Sun, 31 Aug from London to St. Louis, returning Sun, 28 Sep, priced at £713 found 2 hours ago
Lufthansa
Wed, 10 Sep - Tue, 16 Sep
LCY
London
STL
St. Louis
£725 Return, found 9 hours ago
£725
Return
found 9 hours ago
Select Lufthansa flight, departing Wed, 10 Sep from London to St. Louis, returning Tue, 16 Sep, priced at £725 found 9 hours ago

Top tips for booking flights to St. Clair County from UK

Get ready to fly to St. Clair County

Prepare your luggage and book your flights to St. Clair County with Expedia. We offer a seamless flight booking experience, with a wide range of St. Clair County plane tickets to choose from. If you need help finding some of the best deals for cheap flights to St. Clair County in 2025, we are always available to assist you. Book your flights to St. Clair County today and let the adventure begin!

Find the best tickets to St. Clair County

To find some of the best tickets to St. Clair County in 2025, use Expedia's powerful search engine to compare dates and the different departure and arrival airports for your trip. Whether you're after direct flights to St. Clair County or last-minute flights to St. Clair County, you can filter and sort your search results, making it easy to find the ideal flight to St. Clair County.

Airlines fly to St. Clair County

There are 20 different airlines that fly to St. Clair County including some of the most trusted names in the business. To book flights to St. Clair County with your favourite airline, take a look at Expedia's flight listings and try out different dates to find some of the best St. Clair County plane tickets.

Find the cheapest flights to St. Clair County

By booking early you may find some of the best deals for St. Clair County flights from the UK, including St. Clair County direct flights. You can usually find affordable and cheap flights to St. Clair County, whether one-way from £643 or round-trip from £604, with Expedia if you book your trip far enough in advance.

Find the best airports for cheap flights to St. Clair County

Try searching for different St. Clair County airports with Expedia to find some of the cheapest flights to St. Clair County. Flights from London (LGW) to St. Louis (STL) usually have the lowest price from £643.

Why book your flights to St. Clair County with Expedia

Expedia offers great deals on St. Clair County air fares from £643 to cater to every budget. Not only is Expedia one of the top platforms to book flights to St. Clair County from the UK, it is also your one-stop shop for booking hotels, car rentals, and more.

 

*Prices and availability are subject to change. Additional terms apply.

St. Clair County Flights Information

Airlines serving
Scandinavian Airlines, Air Canada, TAP Portugal, American Airlines, Lufthansa, Austrian Airlines, British Airways, United, Aer Lingus, Iberia
Roundtrip price
from £604

Frequently asked questions

How do I find cheap flights to St. Clair County that have flexible change policies?
When it comes to flying these days, flexibility is important. That's why we have a "No change fee" search function to help you track down flexible, low-priced flights to St. Clair County. It's on the left-hand side of your screen directly under the "Flexible change policies" subheading.
Which airlines fly to St. Clair County?
Let Allegiant Air take you there. This well-known carrier provides 125 services every month to MidAmerica-St. Louis Airport (BLV), a St. Clair County gateway.
How can I find cheap tickets to St. Clair County?
A good strategy for walking away with cheap airfares is to be flexible with your dates. Start by searching for your flight to St. Clair County, then click on the "flexible dates" link for a list of prices for nearby days. Another good tip? Book ahead of time. For an idea of fares, £604 was the best price for a flight to St. Clair County in the last seven days.
How much is a flight to St. Clair County?
In the last seven days, return flights to St. Clair County sold for as little as £604 and peaked at £891. For one-way trips taking off from London (LGW), the lowest amount paid during this time was just £643.
What are the most popular airports to fly into in St. Clair County?
Pack your bags and fly into MidAmerica-St. Louis Airport (BLV), St. Clair County's main flight hub. Book a ticket on one of the 125 flights that touch down at this well-known destination every month.
When is the cheapest time to fly to St. Clair County?
Fly out on a Tuesday to improve your chances of nabbing the cheapest airfare to St. Clair County. Mondays are usually the second most affordable day to depart. Saturday is generally the priciest day to fly anywhere.
How much is a plane ticket to St. Clair County?
In the last seven days, seats ranged between £604 and £891. Swipe through our amazing deals to St. Clair County, pick your favourite and then get packing!
What is the best time to go to St. Clair County?
Mascoutah, St. Clair County's main city, is a terrific destination to explore at anytime. Don't like cold weather? Then journey here from June 20 onward in summer, when temperatures vary from 18ºC to 29ºC. March, May and June is when Mascoutah is really lively.
What months are the cheapest to book a flight to St. Clair County?
The ideal month to reserve a fabulous deal to St. Clair County is February, whereas prices are at their highest in December. Give this month a miss if you're counting your pennies.

Trending flights to St. Clair County

These prices were available within the past 7 days. Prices quoted are per person, return, for the period specified. Prices and availability are subject to change. Additional terms apply.

Scandinavian Airlines
Wed, 1 Oct - Tue, 7 Oct
BHX
Birmingham
STL
St. Louis
£604 Return, found 4 hours ago
£604
Return
found 4 hours ago
Select Scandinavian Airlines flight, departing Wed, 1 Oct from Birmingham to St. Louis, returning Tue, 7 Oct, priced at £604 found 4 hours ago
*Available to Expedia members.