Cheap Flights from St Louis, MO to USA from $87 - Find Tickets & Airfare Deals at Cheapflights.com

How to find the cheapest flight from
St Louis (STL) to USA

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

To save up to 10% on this flight, we recommend booking at least 56 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from St Louis to USA from $302 1-2 weeks out and tickets from $331 for flights departing within the next 72 hours.

What is the cheapest month to fly from St Louis to USA?

February can be a great time to fly to USA from St Louis with a flight ticket averaging about $296. Cheapflights users have found deals in the month of February for as cheap as $139. The most expensive prices can be found in the month of July.

One-way flights to USA from St Louis

The cheapest one-way flights from St Louis to USA

7:05 am - 2:10 pm

Delta

1 Stop

8h 05m

STL - DEN

$94

Delta

2:00 pm - 3:40 pm

Sun Country Air

Nonstop

3h 40m

STL - LAS

$97

Kiwi.com

5:15 pm - 8:42 am

Multiple Airlines

1 Stop

17h 27m

STL - SEA

$98

Kiwi.com

Related info for your journey

Useful info, stats and facts about St Louis to USA flights.

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.

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 Multiple Airlines for just $87, but on average you can expect to pay $107.

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 $123.

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: 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 - Seattle/Tacoma Intl, Lambert-St Louis - Las Vegas McCarran 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 $120. On average you can expect to pay $309. The most popular route, (Lambert-St Louis - Seattle/Tacoma Intl), can usually be booked for $167.

How long is the flight from St Louis to USA?

For as low as $247, Delta can have you in USA from St Louis in 2h 21m. All flights are typically nonstop.

What is the cheapest airline to fly from St Louis to USA round-trip?

Our cheapest airline available from St Louis to USA is Sun Country Air. Our recent data shows that you can find tickets from as low as $114 on this airline.