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Flights to Lambert-St Louis

$38 Cheap flights to St. Louis

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight to St. Louis departing on 12/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from the United States to St. Louis

Cheap round-trip flights

These are some of the best round-trip flight deals from the United States to St. Louis that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from the United States to St. Louis.

Cheap last minute flights

Planning a quick getaway from the United States to St. Louis? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to St. Louis, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals to St. Louis

Find recent round-trip train or bus tickets from the United States to St. Louis.

All round-trip flight deals to St. Louis

The cheapest plane tickets to St. Louis found on KAYAK recently.
5:05 am - 8:13 amDEN-STL
2h 08mnonstop
6:46 pm - 8:22 pmSTL-DEN
2h 36mnonstop
$67Frontier
Find Deal
Sat, Dec 14 - Mon, Dec 16
5:05 am - 8:13 amDEN-STL
2h 08mnonstop
6:46 pm - 8:22 pmSTL-DEN
2h 36mnonstop
$68Frontier
Find Deal
Wed, Dec 4 - Wed, Dec 11
7:07 am - 11:26 amEWR-STL
5h 19m1 stop
2:15 pm - 10:55 pmSTL-EWR
7h 40m1 stop
$186American Airlines
Find Deal
Tue, Dec 10 - Tue, Dec 17
7:47 am - 2:36 pmDEN-STL
5h 49m1 stop
4:39 pm - 6:15 pmSTL-DEN
2h 36mnonstop
$187United Airlines
Find Deal
Fri, Feb 14 - Tue, Feb 18
12:29 pm - 2:24 pmLGA-STL
2h 55mnonstop
5:40 pm - 11:33 pmSTL-LGA
4h 53m1 stop
$196American Airlines
Find Deal
Wed, Dec 11 - Wed, Dec 11
5:40 pm - 8:44 pmDEN-STL
2h 04mnonstop
4:39 pm - 6:15 pmSTL-DEN
2h 36mnonstop
$197United Airlines
Find Deal
Fri, Feb 14 - Tue, Feb 18
6:00 am - 9:35 amBWI-STL
4h 35m1 stop
6:00 am - 1:04 pmSTL-BWI
6h 04m1 stop
$216Delta
Find Deal
Wed, Dec 11 - Mon, Dec 16
3:00 pm - 4:30 pmDCA-STL
2h 30mnonstop
7:15 pm - 10:05 pmSTL-DCA
1h 50mnonstop
$225Southwest
Find Deal
Tue, Jan 7 - Tue, Jan 7
6:00 am - 9:35 amBWI-STL
4h 35m1 stop
6:30 am - 11:44 amSTL-BWI
4h 14m1 stop
$226Delta
Find Deal
Wed, Dec 11 - Mon, Dec 16
6:45 am - 8:40 amLGA-STL
2h 55mnonstop
7:45 pm - 11:05 pmSTL-LGA
2h 20mnonstop
$230Southwest
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Sat, Dec 28 - Tue, Dec 31
6:06 pm - 9:19 pmDEN-STL
2h 13mnonstop
$38Frontier
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Thu, Dec 19
5:05 am - 8:13 amDEN-STL
2h 08mnonstop
$39Frontier
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Sat, Dec 7
9:40 am - 12:48 pmDEN-STL
2h 08mnonstop
$79United Airlines
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Tue, Feb 11
6:00 am - 12:16 pmDEN-STL
5h 16m1 stop
$88United Airlines
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Tue, Jan 7
7:07 am - 11:26 amEWR-STL
5h 19m1 stop
$93American Airlines
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Tue, Dec 17
7:00 am - 2:07 pmEWR-STL
8h 07m1 stop
$98American Airlines
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Tue, Jan 21
9:54 am - 12:00 pmLGA-STL
3h 06mnonstop
$100Delta
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Tue, Dec 31
2:01 pm - 6:45 pmBWI-STL
5h 44m1 stop
$108Delta
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Wed, Jan 8
6:55 pm - 8:20 pmDCA-STL
2h 25mnonstop
$115Southwest
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Fri, Feb 28
6:40 am - 12:45 pmDEN-STL
5h 05m1 stop
$118Southwest
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Mon, Dec 30
8:25 pm - 3:30 pmATL-STL
20h 05m1 stop
5:38 pm - 4:23 amSTL-ATL
9h 45m1 stop
Fri, Nov 22 - Mon, Nov 25
8:25 pm - 3:30 pmATL-STL
20h 05m1 stop
2:10 pm - 9:05 amSTL-ATL
17h 55m1 stop
$226Southern / Mokulele
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Mon, Nov 25 - Thu, Nov 28
8:19 pm - 12:06 amATL-STL
28h 47m1 stop
9:34 am - 4:17 amSTL-ATL
17h 43m1 stop
$230Frontier
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Mon, Nov 25 - Wed, Nov 27
7:34 pm - 12:06 amATL-STL
29h 32m1 stop
6:46 pm - 12:29 pmSTL-ATL
16h 43m1 stop
$236Frontier
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Sun, Nov 24 - Sat, Dec 7
5:20 pm - 11:30 pmDFW-STL
6h 10m1 stop
8:40 am - 4:05 pmSTL-DFW
7h 25m1 stop
$312United Airlines
Find Deal
Mon, Nov 25 - Fri, Nov 29
11:40 am - 3:39 pmEWR-STL
4h 59m1 stop
6:00 am - 9:19 amSTL-EWR
2h 19mnonstop
$330United Airlines
Find Deal
Mon, Nov 25 - Fri, Nov 29
1:30 am - 10:46 amLAX-STL
7h 16m1 stop
4:03 pm - 9:12 pmSTL-LAX
7h 09m1 stop
$384American Airlines
Find Deal
Mon, Nov 25 - Tue, Nov 26
5:59 pm - 7:48 pmLGA-STL
2h 49mnonstop
5:00 am - 11:00 amSTL-LGA
5h 00m1 stop
$397American Airlines
Find Deal
Mon, Nov 25 - Fri, Nov 29
10:15 am - 4:29 pmEWR-STL
7h 14m1 stop
7:11 pm - 12:59 amSTL-EWR
4h 48m1 stop
$452Delta
Find Deal
Mon, Nov 25 - Mon, Dec 2
6:00 am - 11:45 amJFK-STL
6h 45m1 stop
5:18 pm - 11:25 pmSTL-JFK
5h 07m1 stop
$480Delta
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Sat, Nov 23 - Sat, Nov 23
5:05 am - 8:13 amDEN-STL
2h 08mnonstop
6:46 pm - 8:22 pmSTL-DEN
2h 36mnonstop
$87Frontier
Find Deal
Fri, Dec 6 - Mon, Dec 9
5:05 am - 8:13 amDEN-STL
2h 08mnonstop
6:46 pm - 8:22 pmSTL-DEN
2h 36mnonstop
$89Frontier
Find Deal
Wed, Dec 11 - Fri, Dec 13
6:10 am - 9:20 amDEN-STL
2h 10mnonstop
8:35 pm - 10:05 pmSTL-DEN
2h 30mnonstop
$188Southwest
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Thu, Dec 19 - Tue, Jan 7
5:40 pm - 8:44 pmDEN-STL
2h 04mnonstop
4:39 pm - 6:15 pmSTL-DEN
2h 36mnonstop
$197United Airlines
Find Deal
Fri, Feb 14 - Tue, Feb 18
3:00 pm - 4:30 pmDCA-STL
2h 30mnonstop
7:15 pm - 10:05 pmSTL-DCA
1h 50mnonstop
$225Southwest
Find Deal
Tue, Jan 7 - Tue, Jan 7
7:44 am - 9:21 amDCA-STL
2h 37mnonstop
6:15 am - 9:19 amSTL-DCA
2h 04mnonstop
$229American Airlines
Find Deal
Tue, Dec 10 - Thu, Dec 19
8:30 am - 9:54 amIAD-STL
2h 24mnonstop
8:25 am - 11:43 amSTL-IAD
2h 18mnonstop
$229United Airlines
Find Deal
Wed, Dec 25 - Fri, Jan 3
10:58 pm - 11:43 pmATL-STL
1h 45mnonstop
6:00 am - 8:37 amSTL-ATL
1h 37mnonstop
$241Delta
Find Deal
Thu, Dec 12 - Mon, Dec 16
10:58 pm - 11:43 pmATL-STL
1h 45mnonstop
7:15 am - 9:53 amSTL-ATL
1h 38mnonstop
$242Delta
Find Deal
Thu, Dec 12 - Mon, Dec 16
6:45 am - 8:20 amDCA-STL
2h 35mnonstop
6:28 am - 9:29 amSTL-DCA
2h 01mnonstop
$249American Airlines
Find Deal
Sat, Apr 12 - Sat, Apr 19

See travel insights to St. Louis from

St. Louis flights insights and trends

Explore insights for your St. Louis flight to craft the best travel plan

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

In general, January 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 $303. The month of February is another great option to travel to St. Louis, with average flight prices from United States averaging around $306.

What is the absolute cheapest flight to St. Louis?

Users booking trips to St. Louis from Las Vegas found flights 52% 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.
See prices from:

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

The cheapest day to depart on your flight to St. Louis is on a Tuesday when prices can be found for as low as $327. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $433. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.

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

Flying to St. Louis from United States in the evening is the least expensive time of day to depart. momondo users have found prices as low as $348 when looking at flights departing in the evening. At noon is when there is more demand to fly to St. Louis, so prices are often more expensive at around $371 per ticket.

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

The best time to book a flight to St. Louis from United States is 55 days out, which is when prices tend to be around $346. In the past 72 hours, momondo users found flights from United States to St. Louis for as low as $258.

Cheapest flights to Lambert-St Louis

Find the cheapest flights to Lambert-St Louis from your nearest city or airport
CHEAPEST MONTH TO FLY TO ST. LOUIS FROM LOS ANGELESAugust14% cheaperFlying from Los Angeles to St. Louis costs on average just $337 in August
MOST EXPENSIVE MONTH TO FLY TO ST. LOUIS FROM LOS ANGELESDecember15% more expensiveIt costs about $450 for flights to St. Louis from Los Angeles in December
MOST POPULAR MONTH TO FLY TO ST. LOUIS FROM LOS ANGELESApril412% more users visitedMore momondo users searched in flights to St. Louis from Los Angeles in April than any other month

Cheap St. Louis flight deals and tips

Summary info about St. Louis flight prices, duration and airlines

Best One-Way Price

$38

Best Round-Trip Price

$67

Fastest flight time

1h 45m

Popular in

December
The best one-way flight price to St. Louis from United States in the last 72 hours is $38 (Denver Intl to Lambert-St Louis).
The best round-trip flight price to St. Louis from United States in the last 72 hours is $67 (Denver Intl to Lambert-St Louis).
The fastest flight to St. Louis from United States takes 1h 45m (Dallas/Fort Worth to Lambert-St Louis).
December has the highest demand for flights to St. Louis, with a 27% price increase on average.

Frequently asked questions about flying to St. Louis

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 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 Springfield Capital Airport with an average price of $253/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.

When did momondo last update prices for flights to Lambert-St Louis Airport?

Prices for flights to Lambert-St Louis Airport are refreshed on a daily basis.

How many operators does momondo search for flights to Lambert-St Louis Airport?

How old do you have to be to fly to Lambert-St Louis Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel to Lambert-St Louis Airport.

What documentation or ID do you need to fly to Lambert-St Louis Airport?

The travel and health documents required for your trip to Lambert-St Louis Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Lambert-St Louis Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.


Why use momondo?

Why should I use momondo to find a flight deal to St. Louis?

It is quick and easy to find flights to St. Louis on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to St. Louis that suits you.

Can I find flights to St. Louis with flexible booking policies on momondo?

momondo does allow users to show only those flights to St. Louis which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights to St. Louis?

Once all potential St. Louis flight options are in front of you momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight to St. Louis right now. Can momondo alert me if prices change?

Price alerts on flights to St. Louis are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.


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Cheapest flight routes to Lambert-St Louis

These routes have the cheapest flights to Lambert-St Louis found by momondo users in United States
DepartingDestinationBest TimeBest Price
OrlandoSt. Louis2h 22m$96
DallasSt. Louis1h 35m$99
ChicagoSt. Louis1h 18m$103
IslipSt. Louis11h 50m$108
Las VegasSt. Louis3h 05m$123
Fort LauderdaleSt. Louis2h 52m$126
Washington, D.C.St. Louis2h 10m$128
DenverSt. Louis2h 00m$134
New YorkSt. Louis4h 47m$138
BaltimoreSt. Louis2h 15m$138
JonesboroSt. Louis1h 36m$139
BostonSt. Louis3h 05m$148
MilwaukeeSt. Louis1h 20m$153
TrentonSt. Louis12h 52m$153
NashvilleSt. Louis1h 15m$159
HartfordSt. Louis4h 36m$167