United Flights From Lambert-St. Louis Intl. Airport (STL) from $70

Feel at ease with free flight cancellations within 24 hours of booking

Change your flight without a fee on select flights

United Airlines Flights From Lambert-St. Louis Intl.

The cheapest prices found with in the last 7 days for return flights were $141 and $70 for one-way flights to for the period specified. Prices and availability are subject to change. Additional terms apply.

Escape From Lambert-St. Louis Intl. This Weekend

United Airports
Hop on a(n) United flight today by flying to many destinations out of these domestic and international airports:
Airport code
Country
Airport name
Number of flights
ORDUSAO'Hare Intl.227
DENUSADenver Intl.226
IAHUSAGeorge Bush Intercontinental136
IADUSAWashington Dulles Intl.100
SFOUSASan Francisco Intl.64
LAXUSALos Angeles Intl.23
EWRUSALiberty Intl.20
FRADEUFrankfurt Intl.19
NRTJPNNarita Intl.19
PEKCHNCapital Intl.16

United Flight To Lambert-St. Louis Intl.

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

United Airfares from Lambert-St. Louis Intl. Airport

Looking for great deals on United flights from Lambert-St. Louis Intl.? Travelocity offers some of the lowest fares on one-way and round-trip flights from Lambert-St. Louis Intl. to many locations. We’re also proud to provide flexible booking options so you can find the best price on cheap flights that work within your schedule. Add in free 24 hour cancellation on most flights and you’ll be able to book your next trip with confidence. Fly from Lambert-St. Louis Intl. Airport on United with the help of Travelocity to spend less time worrying about finding the best deal and more time enjoying your vacation!

Route FAQ

Frequently asked questions

What terminal does United Airlines fly out of at Lambert-St. Louis Intl. Airport (STL)?
You're in the car headed toward the airport and the traffic has slowed to a crawl — luckily you know that if you're departing from St. Louis Lambert International Airport with United Airlines, you can cruise straight to terminal 1.
Is there free Wi-Fi at St. Louis Lambert International Airport?
Lambert-St. Louis Intl. Airport (STL) offers free Wi-Fi. If you want to catch up on work emails (or that new popular streaming series) while waiting for your flight, don't worry.
How long do I need to be at St. Louis Lambert International Airport before my flight?
Airlines generally suggest arriving at the check-in counter a minimum of one hour before departure for domestic flights. However, if you've got baggage to be checked in, it's a good idea to turn up earlier than this. Whereas, most airports advise you to check in a minimum of three hours before your international flight. With today's time-consuming security measures, getting to the airport terminal with plenty of time to spare is always a wise idea.
What airline is UA?
UA is the IATA code for United Airlines. All airlines are designated an IATA code by the International Air Transport Association. These two letters are used for many purposes, including timetables, tickets, tariffs and communications.
What is STL?
STL is the IATA code for Lambert-St. Louis Intl. Airport (STL). This three-letter abbreviation on your ticket was created by the International Air Transport Association to help identify airports around the world.
If I am not able to travel due to COVID-19, can I change my booking to a later date?
For more info about changing your flight from St. Louis, MO Airport (STL-Lambert-St. Louis Intl.), please visit our Customer Service Portal.

United Information