£398 Cheap Flights from Inverness (INV) to St. Louis (STL)

View £398 flight on Mon, 7 Sept 2026Opens in a new window

Popular airlines from Inverness (INV) to Lambert-St. Louis International Airport (STL)

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Cheap Flights from Inverness (INV) to St. Louis (STL)

Prices were available within the past 7 days and start at £398 for one-way flights and £647 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Mon, 7 Sept - Mon, 21 Sept
INV
Inverness
STL
St. Louis
£647 Return, found 5 days ago
£647
Return
found 5 days ago
Select American Airlines flight, departing Mon, 7 Sept from Inverness to St. Louis, returning Mon, 21 Sept, priced at £647 found 5 days ago
American Airlines
Mon, 7 Sept - Mon, 21 Sept
INV
Inverness
STL
St. Louis
£654 Return, found 5 days ago
£654
Return
found 5 days ago
Select American Airlines flight, departing Mon, 7 Sept from Inverness to St. Louis, returning Mon, 21 Sept, priced at £654 found 5 days ago
British Airways
Mon, 7 Sept - Mon, 21 Sept
INV
Inverness
STL
St. Louis
£691 Return, found 5 days ago
£691
Return
found 5 days ago
Select British Airways flight, departing Mon, 7 Sept from Inverness to St. Louis, returning Mon, 21 Sept, priced at £691 found 5 days ago
American Airlines
Mon, 7 Sept - Mon, 21 Sept
INV
Inverness
STL
St. Louis
£695 Return, found 5 days ago
£695
Return
found 5 days ago
Select American Airlines flight, departing Mon, 7 Sept from Inverness to St. Louis, returning Mon, 21 Sept, priced at £695 found 5 days ago
British Airways
Mon, 7 Sept - Mon, 21 Sept
INV
Inverness
STL
St. Louis
£699 Return, found 5 days ago
£699
Return
found 5 days ago
Select British Airways flight, departing Mon, 7 Sept from Inverness to St. Louis, returning Mon, 21 Sept, priced at £699 found 5 days ago
American Airlines
Mon, 7 Sept - Mon, 21 Sept
INV
Inverness
STL
St. Louis
£702 Return, found 5 days ago
£702
Return
found 5 days ago
Select American Airlines flight, departing Mon, 7 Sept from Inverness to St. Louis, returning Mon, 21 Sept, priced at £702 found 5 days ago
American Airlines
Mon, 7 Sept - Mon, 21 Sept
INV
Inverness
STL
St. Louis
£708 Return, found 5 days ago
£708
Return
found 5 days ago
Select American Airlines flight, departing Mon, 7 Sept from Inverness to St. Louis, returning Mon, 21 Sept, priced at £708 found 5 days ago
British Airways
Mon, 7 Sept - Mon, 21 Sept
INV
Inverness
STL
St. Louis
£711 Return, found 5 days ago
£711
Return
found 5 days ago
Select British Airways flight, departing Mon, 7 Sept from Inverness to St. Louis, returning Mon, 21 Sept, priced at £711 found 5 days ago
KLM
Mon, 7 Sept - Mon, 21 Sept
INV
Inverness
STL
St. Louis
£717 Return, found 5 days ago
£717
Return
found 5 days ago
Select KLM flight, departing Mon, 7 Sept from Inverness to St. Louis, returning Mon, 21 Sept, priced at £717 found 5 days ago
Air France
Mon, 7 Sept - Mon, 21 Sept
INV
Inverness
STL
St. Louis
£747 Return, found 5 days ago
£747
Return
found 5 days ago
Select Air France flight, departing Mon, 7 Sept from Inverness to St. Louis, returning Mon, 21 Sept, priced at £747 found 5 days ago

Frequently asked questions

How do I find cheap flights from Inverness (INV) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
To find a cheap flight from Inverness (INV) to St. Louis, MO (STL-Lambert-St. Louis Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Inverness (INV) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Inverness (INV) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
There are approximately 4 connecting flights per day from Inverness (INV) to Lambert-St. Louis Intl. (STL). Some common connection points include Heathrow (LHR), Schiphol (AMS), and Unknown (DUB).
What is the earliest flight from Inverness (INV) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
The earliest flight from Inverness (INV) to St. Louis, MO (STL-Lambert-St. Louis Intl.) (STL) typically departs at approximately 7:00 AM local time. This service is seasonal, active only in November, and is operated by airlines such as LM and UA. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
How long does it take to fly from Inverness (INV) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
Flying from INV to STL with a connection usually takes about 14 hours 20 minutes, traveling roughly 3,889 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Inverness (INV) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
Select the "Business class" and "First class" filters when looking for INV to STL flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Inverness (INV) to St. Louis, MO (STL-Lambert-St. Louis Intl.) flight with Expedia?
It's easy to earn miles on a Inverness (INV) to St. Louis, MO (STL-Lambert-St. Louis Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia. *Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for St. Louis from INV (INV)?
If you're planning to travel to St. Louis from INV (INV), you can fly typically into Lambert-St. Louis Intl. (STL) Some flights may connect through major hubs like Heathrow (LHR), Schiphol (AMS), SYY (SYY) before reaching St. Louis. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Inverness (INV) to St. Louis, MO (STL-Lambert-St. Louis Intl.) at the last minute?
Typically, booking a last minute flight from Inverness (INV) to St. Louis, MO (STL-Lambert-St. Louis Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Inverness (INV) to St. Louis, MO (STL-Lambert-St. Louis Intl.) flight and hotel package?
Securing a Inverness (INV) to St. Louis, MO (STL-Lambert-St. Louis Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Inverness (INV) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
If you booked your Inverness (INV) to St. Louis, MO (STL-Lambert-St. Louis Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Inverness
Destination airport
Lambert-St. Louis Intl.
Return price
£647
Distance
6222 km

Book with confidence

Compare flights from Inverness to St. Louis easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Inverness to St. Louis. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Lambert-St. Louis Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Inverness to Lambert-St. Louis Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Inverness (INV) to Lambert-St. Louis Intl. (STL)

The easiest way to view the best deals on flights from Inverness to St. Louis today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Inverness to Lambert-St. Louis Intl. start at just £647 and range up to £1,569.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Inverness and St. Louis
  • booking your flight during September, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Inverness to St. Louis flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Inverness to Lambert-St. Louis Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from Inverness to St. Louis easily and book with confidence

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*Available to Expedia members.