Flights to St. Louis, MO, United States

One search, all the flights

We find you the best flight deals and travel hacks so that you can choose how to book.

Rise above all travel anxieties

With the Kiwi.com Guarantee we have your back with whatever happens.

Trusted by millions

Join over 10 million yearly travellers booking with ease.

Cheap flights to St. Louis

Weather in St. Louis

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January3°C-3°C
February6°C-2°C
March13°C3°C
April18°C8°C
May24°C14°C
June29°C19°C
July31°C21°C
August30°C20°C
September27°C16°C
October20°C10°C
November12°C3°C
December7°C0°C
Hottest Month
31°C
July
Coldest month
-3°C
January
Sunny days
264
days per year
Snow days
9
days per year

14 day forecast

Saturday
3 May
84%
17°C10°C
10 May
82%
22°C13°C
Sunday
4 May
16°C9°C
11 May
81%
22°C15°C
Monday
5 May
16°C10°C
12 May
89%
21°C16°C
Tuesday
6 May
19°C7°C
13 May
87%
22°C16°C
Wednesday
7 May
89%
15°C13°C
14 May
28°C16°C
Thursday
8 May
84%
19°C13°C
15 May
29°C18°C
Friday
9 May
73%
22°C13°C
16 May
30°C18°C

Cheapest month to fly to St. Louis

Explore price trends for trips to St. Louis

Showing prices in GBP

Annual Avg. Price706 GBP
May 2025267 GBP
June 2025266 GBP
July 2025375 GBP
August 2025982 GBP
September 2025848 GBP
October 2025839 GBP
November 2025827 GBP
December 2025827 GBP
January 2026827 GBP
February 2026995 GBP
April 2026717 GBP

Direct flights to St. Louis

Find direct flights from anywhere to St. Louis

Airlines flying to St. Louis

Best airlines flying to St. Louis

Airlines with direct flights to St. Louis

Airports in St. Louis

International airports in and near St. Louis

Book flights to other cities

Flights from St. Louis

Find flights to cities near St. Louis

Fly to other cities in United States

Frequently asked questions

What are the main airports in St. Louis, Missouri?
The main airports in St. Louis, Missouri are Lambert-St. Louis International Airport (STL) and St. Louis Downtown Airport (CPS). These airports offer domestic and international flights to and from the city.
How to get from the airport to St. Louis, Missouri?
From Lambert-St. Louis International Airport, you can take a taxi, rent a car, or use public transportation like buses or trains to get to downtown St. Louis. St. Louis Downtown Airport is located closer to downtown and offers convenient transportation options as well.
When is the best time of the year to fly to St. Louis, Missouri?
The best time of the year to fly to St. Louis, Missouri is during spring (April-May) and fall (September-October) when the weather is pleasant and there are fewer crowds. Summers can be hot and humid, while winters can be cold with occasional snowfall.
What to do in St. Louis, Missouri?
In St. Louis, Missouri, you can visit iconic attractions like the Gateway Arch, explore Forest Park which houses several museums and a zoo, enjoy live music at The Delmar Loop, or catch a Cardinals baseball game at Busch Stadium.
When to book your flight to St. Louis, Missouri?
It is recommended to book your flight to St. Louis, Missouri at least 2-3 months in advance for better deals and availability. However, prices may vary depending on factors such as travel dates and demand.
How many days should I stay in St. Louis, Missouri?
A recommended duration for your stay in St. Louis would be around 3-4 days so that you have enough time to explore the city's attractions including museums, parks, historic sites, and try out local cuisine.
What are top tourist attractions in St. Louis, Missouri?
Some of the top tourist attractions in St. Louis include the Gateway Arch National Park which offers panoramic views of the city, Saint Louis Art Museum known for its extensive art collection, City Museum offering unique interactive exhibits for all ages,and The Magic House - a children's museum that provides hands-on learning experiences.
Is it safe walking at night in St.Louis,Missouri?
While certain areas of any city may have higher crime rates than others, it is generally safe walking at night in well-populated areas of downtown st-louis-missouri.
Explore
Explore the map

Start planning your next adventure on the map.

Explore

Company

Terms & ConditionsTerms of UsePrivacy PolicyMedia RoomSecurityLegal and whistleblowing disclosuresContact us

Platform

AboutTravel hacksPeopleCompany infoJobs

Features

Kiwi.com GuaranteeDisruption protectionMobile appSite mapFrequently asked questions

Discover

Kiwi.com
We hack the system,
you fly for less