Find cheap flights to St. Louis

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Boston (BOS)
St. Louis (STL)
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Travel Restriction Alert

The COVID-19 (coronavirus) outbreak may impact travel to St. Louis. Current restrictions to St. Louis are based on United States travel restrictions.

View current United States travel restrictions

Cheapest flights to St. Louis airports

Find the cheapest flights to these St. Louis airports from your nearest city or airport
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When is the best time to fly to St. Louis?

What is the absolute cheapest flight to St. Louis?

Users booking trips to St. Louis from Owensboro found flights 96% cheaper than the average price of flights to St. Louis. To find the cheapest price to St. Louis from your area, use momondo’s Airport-to-Airport Pricing Tool.

What is the cheapest month to fly to St. Louis?

In general, August is the cheapest month to fly from United States to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $196. If you aren’t able to travel during the month of August, then book flights to St. Louis from United States during February instead. Flights to St. Louis in February, while not as cheap as those in August, still average around $237.

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

We recommend purchasing flights from United States to St. Louis 35 days ahead of your departure date because this is when momondo users tend to see the best flight rates. On average, our users have found flights to St. Louis for $266. Don’t hesitate to check prices now though because momondo users recently found tickets for as low as $54.

What is the cheapest day to depart on your flight to St. Louis?

On average, the least expensive day to fly to St. Louis from United States is on a Thursday. momondo users have found tickets for Thursday departures for as low as $287. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to St. Louis on Monday is $332.

What is the cheapest time of day to depart on your flight to St. Louis?

Flying to St. Louis from United States in the morning is the least expensive time of day to depart. momondo users have found prices as low as $299 when looking at flights departing in the morning. Flights to St. Louis are more costly in the afternoon, with an average ticket price of $313. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

Is there a good place to hike near St. Louis?

During the warmer months, hikers around the St. Louis area find that parks like Forest Park are the best for taking long walks with their families and/or pets. Those looking for this type of experience are likely best suited to fly to St. Louis in September or October.

When are the weather conditions best for skiing in St. Louis?

momondo users looking to go skiing in St. Louis find that January is more than likely the best time to hit the slopes. The lower temperatures in the area mixed with a higher chance of snow make mountains like Snow Creek the perfect place for a vacation.

Is there an alternative airport near St. Louis?

Finding an alternative and possibly cheaper destination airport near St. Louis is possible. If you are planning a flight to St. Louis, consider booking flights to Belleville Airport (22 mi from St. Louis city center), Marion Williamson County Airport (88 mi from St. Louis city center) or Springfield Capital Airport (88 mi from St. Louis city center).

Is there a cheaper alternative to flying into St. Louis?

The cheapest airport near St. Louis is typically Belleville Airport with an average price of $296/person. These prices vary based on where travelers are coming from. It is suggested that travelers looking to save money try momondo’s Airport-to-Airport Pricing Tool.


What are the current travel restrictions for St. Louis?

Currently, United States travel restrictions include travel to St. Louis. Entry restrictions

The United States has restricted the entry of all foreign nationals who have passed through or have been in China, Iran, Most European Countries (Austria, Belgium, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Italy, Latvia, Liechtenstein, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland, Monaco, San Marino, Vatican City), the UK, Ireland and Brazil in the past 14 days. With the exception of certain travelers which includes certain family members of US citizens or permanent residents including; spouses, children (under the age of 21), parents (provided that his/her US citizen or permanent resident child is unmarried and under the age of 21), and siblings (provided that both the sibling and the US citizen or permanent resident are unmarried and under the age of 21); There is also an exception for travelers with the following visas: A-1, A-2, C-1, C-1/D, C-2, C-3, CR-1, CR-2, D, E-1 (as an employee of TECRO or TECO or the employee's immediate family members), G-1, G-2, G-3, G-4, IR-1, IR-4, IH-4, NATO-1 through NATO-4, or NATO-6 visa; Members of the US Armed Forces, spouses, and children of members of the US Armed Forces; Travelers with invitation of the USA government for a purpose related to the containment/mitigation of the Coronavirus (COVID-19); Travelers with documents issued by the US Department of Homeland Security, US Customs and Border Protection, or US Department of State indicating that the traveler is exempt from the restriction; B1 crew crewmembers that are engaged in lightering, Outer Continental Shelf (OCS) activity, wind farm activity, private air/sea crew and other similar crewmember activities; Students with an F-1 or M-1 visa and their F-2 and M-2 dependents, if they arrive from or have been in Ireland, the UK or Schengen Area in the past 14 days.

Entry requirements

Starting on January 26, all travelers (including US citizens and transit passenger) must present a negative COVID-19 viral or antigen test result issued 72 hours prior to departure or have an evidence of having contracted and recovered from COVID-19 prior to boarding the plane. US citizens and permanent residents arriving from the UK must present a medical certificate with a negative COVID-19 PCR or antigen test result issued within 72 hours prior to departure.

Quarantine requirements

Travelers returning to the US are advised to stay home as much as possible, avoid being around people and consider getting tested for COVID-19 after returning from travel and participated in higher risk activities.

All other info

Travelers are subject to COVID-19 measures set by the state/territory of their final destination. For more information go to CDC website.

If you are planning to travel to St. Louis at this time, it is recommended that you stay up to date on current restrictions and follow proper safety measures while in public.

Lambert-St Louis flight deals found on momondo

Check out some of the best fares from airports in United States to Lambert-St Louis found recently by users on momondo
United Airlines
Apr 22
1h 20m
Chicago O'Hare Intl
1h 20m
3:59 am
Lambert-St Louis
Apr 28
1:35 am
Lambert-St Louis
1h 20m
2:55 am
Chicago O'Hare Intl
United Airlines
Apr 23
1h 23m
Chicago O'Hare Intl
1h 23m
6:49 pm
Lambert-St Louis
Apr 24
1:35 am
Lambert-St Louis
1h 20m
2:55 am
Chicago O'Hare Intl
United Airlines
Apr 23
1h 20m
Chicago O'Hare Intl
1h 20m
3:59 am
Lambert-St Louis
Apr 28
9:27 am
Lambert-St Louis
1h 28m
10:55 am
Chicago O'Hare Intl
Multiple Airlines
Feb 9
1h 23m
Chicago O'Hare Intl
1h 23m
5:58 am
Lambert-St Louis
Feb 10
1:20 am
Lambert-St Louis
1h 30m
2:50 am
Chicago O'Hare Intl
Multiple Airlines
Feb 19
2h 01m
Denver Intl
2h 01m
6:17 am
Lambert-St Louis
Mar 11
3:46 am
Lambert-St Louis
2h 22m
6:08 am
Denver Intl
Frontier
Feb 12
2h 01m
Denver Intl
2h 01m
6:17 am
Lambert-St Louis
Feb 15
5:19 am
Lambert-St Louis
2h 28m
7:47 am
Denver Intl

Find the cheapest one-way flights to Lambert-St Louis

If you're looking for one-way flights to St. Louis, view some of our deals below provided by Frontier
American Airlines
Feb 16
1h 14m
Chicago O'Hare Intl
1h 14m
1:49 pm
Lambert-St Louis
United Airlines
Feb 15
1h 21m
Chicago O'Hare Intl
1h 21m
5:31 am
Lambert-St Louis
Frontier
Feb 12
2h 01m
Denver Intl
2h 01m
6:17 am
Lambert-St Louis

Which airlines fly to St. Louis?

Here you can see a selection of the most popular and cheapest airlines for flights to St. Louis

Popular routes to St. Louis

Most frequently searched flights to St. Louis along with the cheapest price and shortest flight duration
Chicago to St. Louis Flights
Fastest flight time
1h 18m
Cheapest price
$58
Denver to St. Louis Flights
Fastest flight time
1h 58m
Cheapest price
$76
Santa Ana to St. Louis Flights
Fastest flight time
6h 05m
Cheapest price
$88
Seattle-Tacoma Intl to St. Louis Flights
Fastest flight time
3h 40m
Cheapest price
$88
Miami to St. Louis Flights
Fastest flight time
3h 03m
Cheapest price
$100
Orlando to St. Louis Flights
Fastest flight time
2h 29m
Cheapest price
$106
Houston to St. Louis Flights
Fastest flight time
1h 57m
Cheapest price
$116
Phoenix to St. Louis Flights
Fastest flight time
2h 57m
Cheapest price
$122
Minneapolis to St. Louis Flights
Fastest flight time
1h 34m
Cheapest price
$124
Detroit to St. Louis Flights
Fastest flight time
1h 40m
Cheapest price
$124
New York to St. Louis Flights
Fastest flight time
2h 49m
Cheapest price
$128
Washington to St. Louis Flights
Fastest flight time
2h 23m
Cheapest price
$128
Atlanta to St. Louis Flights
Fastest flight time
1h 38m
Cheapest price
$133
Dallas to St. Louis Flights
Fastest flight time
1h 46m
Cheapest price
$135
Charlotte to St. Louis Flights
Fastest flight time
1h 57m
Cheapest price
$137
Los Angeles to St. Louis Flights
Fastest flight time
3h 39m
Cheapest price
$141
Philadelphia to St. Louis Flights
Fastest flight time
2h 29m
Cheapest price
$143
Boston to St. Louis Flights
Fastest flight time
5h 35m
Cheapest price
$145
Austin to St. Louis Flights
Fastest flight time
4h 00m
Cheapest price
$145
Salt Lake City to St. Louis Flights
Fastest flight time
2h 41m
Cheapest price
$190
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