£643 Cheap Flights to St. Louis County

Popular airlines to St. Louis County

  • Delta

    Delta

  • American Airlines

    American Airlines

  • United

    United

  • Southwest Airlines

    Southwest Airlines

  • Frontier Airlines

    Frontier Airlines

  • Alaska Airlines

    Alaska Airlines

  • Air Canada

    Air Canada

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 25% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap round-trip flights to St. Louis County

Prices were available within the past 7 days and start at £643 for one-way flights and £603 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Scandinavian Airlines
Thu, 2 Oct - Wed, 8 Oct
BHX
Birmingham
STL
St. Louis
£603 Return, found 3 hours ago
£603
Return
found 3 hours ago
Select Scandinavian Airlines flight, departing Thu, 2 Oct from Birmingham to St. Louis, returning Wed, 8 Oct, priced at £603 found 3 hours ago
Scandinavian Airlines
Fri, 7 Nov - Mon, 17 Nov
MAN
Manchester
STL
St. Louis
£605 Return, found 8 hours ago
£605
Return
found 8 hours ago
Select Scandinavian Airlines flight, departing Fri, 7 Nov from Manchester to St. Louis, returning Mon, 17 Nov, priced at £605 found 8 hours ago
Scandinavian Airlines
Wed, 24 Sep - Mon, 29 Sep
LHR
London
STL
St. Louis
£625 Return, found 6 hours ago
£625
Return
found 6 hours ago
Select Scandinavian Airlines flight, departing Wed, 24 Sep from London to St. Louis, returning Mon, 29 Sep, priced at £625 found 6 hours ago
Air Canada
Fri, 19 Sep - Tue, 23 Sep
LHR
London
STL
St. Louis
£628 Return, found 7 hours ago
£628
Return
found 7 hours ago
Select Air Canada flight, departing Fri, 19 Sep from London to St. Louis, returning Tue, 23 Sep, priced at £628 found 7 hours ago
American Airlines
Wed, 1 Oct - Tue, 7 Oct
LGW
London
STL
St. Louis
£690 Return, found 3 hours ago
£690
Return
found 3 hours ago
Select American Airlines flight, departing Wed, 1 Oct from London to St. Louis, returning Tue, 7 Oct, priced at £690 found 3 hours ago
American Airlines
Wed, 1 Oct - Tue, 7 Oct
LGW
London
STL
St. Louis
£690 Return, found 3 hours ago
£690
Return
found 3 hours ago
Select American Airlines flight, departing Wed, 1 Oct from London to St. Louis, returning Tue, 7 Oct, priced at £690 found 3 hours ago
Lufthansa
Wed, 12 Nov - Wed, 19 Nov
LHR
London
STL
St. Louis
£696 Return, found 11 hours ago
£696
Return
found 11 hours ago
Select Lufthansa flight, departing Wed, 12 Nov from London to St. Louis, returning Wed, 19 Nov, priced at £696 found 11 hours ago
Austrian Airlines
Fri, 5 Dec - Sat, 13 Dec
LHR
London
STL
St. Louis
£698 Return, found 11 hours ago
£698
Return
found 11 hours ago
Select Austrian Airlines flight, departing Fri, 5 Dec from London to St. Louis, returning Sat, 13 Dec, priced at £698 found 11 hours ago
United
Wed, 3 Dec - Mon, 8 Dec
LHR
London
STL
St. Louis
£713 Return, found 12 hours ago
£713
Return
found 12 hours ago
Select United flight, departing Wed, 3 Dec from London to St. Louis, returning Mon, 8 Dec, priced at £713 found 12 hours ago
British Airways
Mon, 1 Sep - Tue, 23 Sep
LHR
London
STL
St. Louis
£722 Return, found 2 hours ago
£722
Return
found 2 hours ago
Select British Airways flight, departing Mon, 1 Sep from London to St. Louis, returning Tue, 23 Sep, priced at £722 found 2 hours ago

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

Get ready to fly to St. Louis County

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

Find the best tickets to St. Louis County

To find some of the best tickets to St. Louis 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. Louis County or last-minute flights to St. Louis County, you can filter and sort your search results, making it easy to find the ideal flight to St. Louis County.

Airlines fly to St. Louis County

There are 20 different airlines that fly to St. Louis County including some of the most trusted names in the business. To book flights to St. Louis 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. Louis County plane tickets.

Find the cheapest flights to St. Louis County

By booking early you may find some of the best deals for St. Louis County flights from the UK, including St. Louis County direct flights. You can usually find affordable and cheap flights to St. Louis County, whether one-way from £643 or round-trip from £603, with Expedia if you book your trip far enough in advance.

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

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

Why book your flights to St. Louis County with Expedia

Expedia offers great deals on St. Louis County air fares from £643 to cater to every budget. Not only is Expedia one of the top platforms to book flights to St. Louis 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. Louis County Flights Information

Airlines serving
Scandinavian Airlines, Air Canada, TAP Portugal, American Airlines, Lufthansa, Austrian Airlines, United, British Airways, Aer Lingus, Iberia
Roundtrip price
from £603

Frequently asked questions

How do I find cheap flights to St. Louis County that have flexible change policies?
When it comes to travelling these days, flexibility is key. That's why we have a "No change fee" search function to help you track down cheap and flexible flights to St. Louis County. It's near the top left of your screen directly underneath the "Flexible change policies" heading.
Which airlines fly to St. Louis County?
When you're ready to lock in your seat to or near St. Louis County, these leading airlines are waiting to welcome you aboard:

  • Southwest Airlines - 2,214 flights to or near St. Louis County each month, including 2,214 flights to Lambert-St. Louis Intl. Airport (STL) per month.
  • American Airlines - 789 flights to or near St. Louis County each month, including 789 flights to Lambert-St. Louis Intl. Airport (STL) per month.
  • Delta Air Lines - 650 flights to or near St. Louis County each month, including 650 flights to Lambert-St. Louis Intl. Airport (STL) per month.

How can I find cheap tickets to St. Louis County?
An excellent strategy for scoring cheap fares is to be flexible with your travel dates. Begin with searching for your flight to St. Louis County, then click on the "flexible dates" box to see prices for nearby days. Want another good tip? Book ahead of time. To give you an idea of costs, £603 was the best price for a flight to St. Louis County in the last seven days.
How much is a flight to St. Louis County?
There were plenty of budget-friendly fares up for grabs in the last seven days, with the price of a return ticket to St. Louis County ranging between £603 and £891. Many lucky holiday makers nabbed one-way flights from London (LGW) for as low as £643.
What are the most popular airports to fly into in St. Louis County?
The principal gateway to St. Louis County, around 4,902 flights taxi into Lambert-St. Louis Intl. Airport (STL) each month. Search for an amazing deal, lock in your fare and get set to explore this fantastic region.
When is the cheapest time to fly to St. Louis County?
Leave for St. Louis County earlier in the week and you'll usually be rewarded with lower-priced fares. Tuesday is generally the cheapest day to jump on a plane, with Monday a close second. If you'd like to avoid the most expensive flights, stay away from Saturdays.
How much is a plane ticket to St. Louis County?
In the last seven days, flights to St. Louis County cost between £603 and £891. Prices depend on a number of things, particularly the departure time, airline, cabin class and how early you make your booking.
What months are the cheapest to book a flight to St. Louis County?
Reserve your ticket in February to enjoy the lowest-priced flights to St. Louis County. The festive month of December is usually the most expensive time to purchase an airfare.

Trending flights to St. Louis 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
Thu, 2 Oct - Wed, 8 Oct
BHX
Birmingham
STL
St. Louis
£603 Return, found 3 hours ago
£603
Return
found 3 hours ago
Select Scandinavian Airlines flight, departing Thu, 2 Oct from Birmingham to St. Louis, returning Wed, 8 Oct, priced at £603 found 3 hours ago
*Available to Expedia members.