Cheap flights from St Louis (STL) to USA

Flight FAQs

From St Louis to USA

Are flight prices decreasing from St Louis to USA 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 St Louis and USA 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.

What safety measures are being taken by airlines flying from Lambert-St Louis to United States to control the spread of COVID-19?

New policies can now be found on Alaska Airlines to help keep travelers safe while flying. Some of the new policies that have been implemented to accommodate travelers flying from Lambert-St Louis to United States are improved sanitation, HEPA filters, mask requirements, social distance seating (for a limited time), and pre-flight testing for antibodies and symptoms. Policies will vary by airline.

Which airlines flying from Lambert-St Louis to United States have flexible cancellations due to COVID-19?

Frontier, American Airlines, and United Airlines are some of the carriers that may have flexible cancellation policies. You can use our site to filter for other airlines that may also have this kind of flexibility.

What airport do you fly from for flights from St. Louis to United States?

Lambert-St Louis (STL) is the airport you will fly out of if you book a flight from St. Louis to United States. It is only a 12.7 mi journey to Lambert-St Louis (STL) from St. Louis’s city center.

Can I find flights from St Louis to USA for under $100 on Cheapflights?

Yes, there are multiple flights from St Louis to USA for under $100. The cheapest flight booked recently is on Frontier for just $62, but on average you can expect to pay $77.

Are there nonstop flights from St Louis to USA for under $100 on Cheapflights?

Cheapflights has at least 20 direct flights from St Louis to USA under $100. A good price for a nonstop flight from St Louis to USA is less than $77.

Are there last-minute flights available from St Louis to USA for under $100?

There are currently 20+ open flights from St Louis to USA within the next 7 days for less than $100.

What days are nonstop flights available from St Louis to USA?

Nonstop flights are available for this route on the following days: Wednesday, Saturday.

How popular is this flight route?

The Lambert-St Louis to United States flight path was viewed by 1,161 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

What are the most popular airlines that fly from St Louis to USA?

Major Airline, American Airlines and Alaska Airlines are the most popular airlines when flying from St Louis to USA.

What are the most popular routes from St Louis to USA?

Most travelers choose Lambert-St Louis - Las Vegas McCarran, Lambert-St Louis - Miami or Lambert-St Louis - Denver Intl when deciding on the best route from St Louis to USA.

What are the cheapest Flights from St Louis to USA?

The cheapest flight price from St Louis to USA is $106. On average you can expect to pay $791. The most popular route, (Lambert-St Louis - Las Vegas McCarran), can usually be booked for $78.

How long is the flight from St Louis to USA?

For as low as $187, American Airlines can have you in USA from St Louis in 1h 47m. All flights are typically nonstop.

What are the cheapest airlines flying from St Louis to USA round-trip?

Our cheapest airline available from St Louis to USA is Frontier. Our recent data shows that you can find tickets from as low as $62 on this airline. An additional option worth looking into is Spirit Airlines, starting at $79.

What are the cheapest airlines to fly from St Louis to USA one-way?

One-way options have recently been found by users for as low as $31 on Frontier. Another option is Spirit Airlines, who have fights from $38.