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Flights to St. Louis

Cheap flights to St. Louis from $39

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 6/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
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Tue 5/14
Tue 5/21

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St. Louis flight deals found on momondo

Check out some of the best fares from airports in United States to St. Louis found recently by users on momondo
Frontier
Aug 7
DFW11:12 amDallas/Fort Worth
2h 10m
STL1:22 pmLambert-St Louis
Aug 14
STL2:12 pmLambert-St Louis
2h 16m
DFW4:28 pmDallas/Fort Worth
Frontier
Jun 19
DFW11:12 amDallas/Fort Worth
1h 46m
STL12:58 pmLambert-St Louis
Jun 24
STL2:18 pmLambert-St Louis
1h 50m
DFW4:08 pmDallas/Fort Worth
Frontier
Jul 17
DFW11:12 amDallas/Fort Worth
2h 10m
STL1:22 pmLambert-St Louis
Jul 31
STL2:12 pmLambert-St Louis
2h 16m
DFW4:28 pmDallas/Fort Worth
Frontier
Jun 17
DFW11:12 amDallas/Fort Worth
1h 46m
STL12:58 pmLambert-St Louis
Jun 24
STL2:18 pmLambert-St Louis
1h 50m
DFW4:08 pmDallas/Fort Worth
Frontier
Jun 26
DFW11:12 amDallas/Fort Worth
1h 46m
STL12:58 pmLambert-St Louis
Jul 1
STL2:18 pmLambert-St Louis
1h 50m
DFW4:08 pmDallas/Fort Worth
Frontier
Jul 3
DFW11:12 amDallas/Fort Worth
1h 46m
STL12:58 pmLambert-St Louis
Jul 8
STL2:12 pmLambert-St Louis
2h 16m
DFW4:28 pmDallas/Fort Worth

Find the cheapest one-way flights to St. Louis

If you're looking for one-way flights from United States to St. Louis, view some of our deals below provided by Frontier and Spirit Airlines
Frontier
Jun 10
PHL8:19 pmPhiladelphia
2h 27m
STL9:46 pmLambert-St Louis
Frontier
Jun 21
PHL8:19 pmPhiladelphia
2h 27m
STL9:46 pmLambert-St Louis
Spirit Airlines
May 21
LGA6:00 amNew York LaGuardia
8h 37m
1 stop
STL1:37 pmLambert-St Louis

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, September 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 $282. The month of October is another great option to travel to St. Louis, with average flight prices from United States averaging around $298.

What is the absolute cheapest flight to St. Louis?

Users booking trips to St. Louis from Orlando found flights 53% 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 Friday when prices can be found for as low as $328. 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 $375. 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 afternoon is the least expensive time of day to depart. momondo users have found prices as low as $329 when looking at flights departing in the afternoon. In the evening is when there is more demand to fly to St. Louis, so prices are often more expensive at around $365 per ticket.

How long does it take to fly to St. Louis?

Flight times from United States to St. Louis vary, but if you’re flying out of Los Angeles and flying into Lambert-St Louis (one of the most popular routes), then the duration is 3h 32m on average. Another popular route from United States to St. Louis is flying from San Francisco to Lambert-St Louis, which will take roughly 3h 52m. Keep in mind that layovers or delays could extend your travel time.

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 $333. In the past 72 hours, momondo users found flights from United States to St. Louis for as low as $258.

Cheapest flights to St. Louis airports

Find the cheapest flights to these St. Louis airports from your nearest city or airport
Los Angeles
St. Louis

CHEAPEST ROUTE FROM Los Angeles TO St. Louis

Ontario (ONT) to St. Louis (STL)

Typically, flights to St. Louis from Los Angeles are cheaper when flying from Ontario to Lambert-St Louis, which has an average price of $348

CHEAPEST MONTH TO FLY TO ST. LOUIS FROM LOS ANGELESJanuary10% cheaperFlying from Los Angeles to St. Louis costs on average just $376 in January
MOST EXPENSIVE MONTH TO FLY TO ST. LOUIS FROM LOS ANGELESJuly12% more expensiveIt costs about $467 for flights to St. Louis from Los Angeles in July
MOST POPULAR MONTH TO FLY TO ST. LOUIS FROM LOS ANGELESApril427% 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

$39

Best Round-Trip Price

$44

Fastest flight time

2h 27m

Operated By

3 airlines
The best one-way flight price to St. Louis from United States in the last 72 hours is $39 (Philadelphia to Lambert-St Louis).
The best round-trip flight price to St. Louis from United States in the last 72 hours is $44 (Dallas/Fort Worth to Lambert-St Louis).
The fastest flight to St. Louis from United States takes 2h 27m (Philadelphia to Lambert-St Louis).
There are 3 airlines operating flights to St. Louis, including American Airlines, Frontier and Spirit Airlines.

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 $153/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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