HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
St. Louis

$39+ Cheap flights from North America to St. Louis (STL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/23. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — STL
Dec 12 — Dec 191
Fri 12/12
Fri 12/19
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from North America to St. Louis with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Find flight deals from North America to St. Louis

Cheapest flights from North America to St. Louis
Explore the most affordable flight options available from North America to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 12, 2025.

This Frontier deal was found by Cheapflights users on 11/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/196:00 amDEN - STL
Nonstop2h 07mFrontier
Sat 11/227:43 pmSTL - DEN
Nonstop2h 34mFrontier
Deal found 11/10$96
This CheapOair deal was found by Cheapflights users on 11/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/39:33 amDEN - STL
1 stop25h 39mFrontier
Sat 12/67:43 pmSTL - DEN
Nonstop2h 32mFrontier
Deal found 11/10$99
This Super.com deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/266:50 amDEN - STL
Nonstop2h 12mFrontier
Mon 12/2910:10 pmSTL - DEN
1 stop6h 48mFrontier
Deal found 11/11$100
This Super.com deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/246:50 amDEN - STL
Nonstop2h 12mFrontier
Mon 12/19:54 pmSTL - DEN
1 stop7h 04mFrontier
Deal found 11/11$101
This Frontier deal was found by Cheapflights users on 11/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/216:50 amDEN - STL
Nonstop2h 12mFrontier
Wed 11/269:54 pmSTL - DEN
1 stop12h 14mFrontier
Deal found 11/12$102
This Kiwi.com deal was found by Cheapflights users on 11/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/196:50 amDEN - STL
Nonstop2h 12mFrontier
Fri 12/197:43 pmSTL - DEN
Nonstop2h 32mFrontier
Deal found 11/10$103
This Kiwi.com deal was found by Cheapflights users on 11/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/196:50 amDEN - STL
Nonstop2h 12mFrontier
Tue 12/2310:48 amSTL - DEN
1 stop22h 54mFrontier
Deal found 11/12$104
This Kiwi.com deal was found by Cheapflights users on 11/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/157:05 amDEN - STL
Nonstop2h 09mFrontier
Sat 12/207:43 pmSTL - DEN
Nonstop2h 32mFrontier
Deal found 11/10$105
This Kiwi.com deal was found by Cheapflights users on 11/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/186:00 amDEN - STL
Nonstop2h 07mFrontier
Wed 11/197:45 pmSTL - DEN
Nonstop2h 28mFrontier
Deal found 11/10$107
This CheapOair deal was found by Cheapflights users on 11/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1010:38 pmDFW - STL
1 stop13h 34mFrontier
Wed 12/177:43 pmSTL - DFW
1 stop28h 26mFrontier
Deal found 11/10$110
This Kiwi.com deal was found by Cheapflights users on 11/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/233:53 pmDEN - STL
Nonstop2h 05mFrontier
Wed 11/269:54 pmSTL - DEN
1 stop7h 04mFrontier
Deal found 11/12$110
This Frontier deal was found by Cheapflights users on 11/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/216:50 amDEN - STL
Nonstop2h 12mFrontier
Sat 12/67:43 pmSTL - DEN
Nonstop2h 32mFrontier
Deal found 11/10$111

Cheap flight deals from North America to St. Louis

Keep the following information in mind while searching for North America to St. Louis flight deals. Data was last updated November 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$96
(Frontier)

One-way from

$39
(Super.com)

Popular in

November

Cheapest in

March

Average price

$442

Good round-trip deal

$61 or less

Good one-way deal

$89 or less
Provider with most accurate pricing for New York (NYC)-Lambert-St Louis flight deals.
Search Deals
Provider most trusted by Cheapflights users for New York (NYC)-Lambert-St Louis flights.
Search Deals
From North America to Lambert-St Louis
Search Deals
One-way flight from North America to Lambert-St Louis
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($69 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals
Price to beat on a round-trip flight from North America to Lambert-St Louis.
Search Deals
Price to beat on a one-way flight from North America to Lambert-St Louis.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from North America to St. Louis that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 12, 2025.
Use the filters below to find and compare flights from North America to St. Louis that are best for you.

Fly from

North America

Fly to

St. Louis

Route

Depart

Return

Price

DenverSt. Louis

DEN - STL

DENSTL

Denver Intl

Tue 11/25

3:53 pm-6:58 pm

Nonstop2h 05m

Lambert-St Louis

Thu 11/27

9:54 pm-3:58 am

1 stop7h 04m

$101

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Tue 12/9

11:34 am-4:06 pm

1 stop4h 32m

Lambert-St Louis

Tue 12/16

7:05 am-1:13 pm

1 stop6h 08m

$178

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Mon 11/24

9:04 pm-10:59 pm

Nonstop1h 55m

Lambert-St Louis

Mon 12/8

9:30 am-11:34 am

Nonstop2h 04m

$179

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Tue 12/2

11:34 am-6:33 pm

1 stop6h 59m

Lambert-St Louis

Tue 12/9

5:12 pm-12:22 am

1 stop7h 10m

$179

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Wed 12/24

9:50 am-4:46 pm

1 stop6h 56m

Lambert-St Louis

Tue 1/6

4:35 pm-9:34 pm

1 stop4h 59m

$191

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Sat 12/27

1:01 pm-9:40 am

1 stop20h 39m

Lambert-St Louis

Sat 1/3

10:10 pm-8:27 pm

2 stops46h 17m

$194

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

Wed 12/24

3:26 pm-10:16 pm

1 stop6h 50m

Lambert-St Louis

Sat 1/3

6:05 am-1:43 pm

1 stop7h 38m

$221

DenverSt. Louis

DEN - STL

DENSTL

Denver Intl

Thu 1/15

10:10 am-1:16 pm

Nonstop2h 06m

Lambert-St Louis

Fri 2/27

6:00 pm-7:34 pm

Nonstop2h 34m

$227

DenverSt. Louis

DEN - STL

DENSTL

Denver Intl

Wed 12/31

8:15 am-11:20 am

Nonstop2h 05m

Lambert-St Louis

Wed 1/7

6:20 am-7:50 am

Nonstop2h 30m

$242

DenverSt. Louis

DEN - STL

DENSTL

Denver Intl

Thu 1/15

8:30 pm-11:35 pm

Nonstop2h 05m

Lambert-St Louis

Fri 2/27

6:50 pm-8:15 pm

Nonstop2h 25m

$247

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/12

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from North America to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from North America with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from North America to St. Louis

What is the cheapest month to book a flight from North America to St. Louis?

Currently, December is the cheapest month in which you can book a flight from North America to St. Louis (average of $52). Flying from North America to St. Louis in April is currently the most expensive (average of $102). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from NA to STL?

Find hourly flight availability from North America to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 12, 2025.

When flying from North America to St. Louis, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 8% versus a flight in the afternoon.

What is the cheapest day to fly from North America to St. Louis?

Use this chart to determine the cheapest time to fly round-trip from North America to St. Louis. Price data was last updated on November 2, 2025.

Travelers seeking maximum savings on their North America to St. Louis flight should consider departing on Friday afternoons when fares are most often at their lowest. Monday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from North America to St. Louis

Explore weekly flight availability from North America to St. Louis. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated November 12, 2025.

The most flights from 0NA to STL are scheduled on a Monday (14 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (8 on average).

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to St. Louis. Reviews last updated November 12, 2025.
Peruse reviews from past customers who have flown with Southwest, Delta, and United Airlines from North America to St. Louis to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,235 reviews

Boarding

8.1

Comfort

8.0

Food

7.0

Entertainment

7.5

Overall

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,235 reviews
Southwest
8.0
Very good
4,235 reviews

Boarding

8.1

Comfort

8.0

Food

7.0

Entertainment

7.5

Overall

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
7.9
Good
8,009 reviews
Southwest
8.0
Very good
4,235 reviews

Boarding

8.1

Comfort

8.0

Food

7.0

Entertainment

7.5

Overall

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
9,015 reviews
Southwest
8.0
Very good
4,235 reviews

Boarding

8.1

Comfort

8.0

Food

7.0

Entertainment

7.5

Overall

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
11,049 reviews
Southwest
8.0
Very good
4,235 reviews

Boarding

8.1

Comfort

8.0

Food

7.0

Entertainment

7.5

Overall

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Frontier
5.8
Fair
3,114 reviews
Southwest
8.0
Very good
4,235 reviews

Boarding

8.1

Comfort

8.0

Food

7.0

Entertainment

7.5

Overall

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

Find useful and relevant information for your journey from North America to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to St. Louis from North America?

    Most people fly into Lambert-St Louis (STL) if they book a flight to St. Louis from North America. Lambert-St Louis is conveniently located just 12.7 mi from St. Louis’s city center.

  • How popular is this North America to St. Louis flight route?

    This flight path from North America to Lambert-St Louis was viewed by 28 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from North America to St. Louis?

    A quick flight from North America to St. Louis can take about 1h 55m. Frontier provides one of the quickest options available for as low as $179. There are 550 mi between North America and St. Louis. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from North America to St. Louis one-way?

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $55. However, be on the lookout for offers from Delta and United Airlines, as they are both options that can get you from North America to St. Louis for a low price.

  • What are the most popular routes from North America to St. Louis?

    The most popular route from North America to St. Louis is New York John F Kennedy Intl - Lambert-St Louis. You may also consider Newark - Lambert-St Louis or New York LaGuardia - Lambert-St Louis.

  • What are the most reliable airlines from North America to St. Louis?

    Before booking your flight to St. Louis from North America, check out the most reliable airlines to get you to your destination on time: Sun Country Air (100%), Southwest (81%), Japan Airlines( 78%).

  • What are the cheapest flights from North America to St. Louis?

    The cheapest flight price from North America to St. Louis is $129. On average you can expect to pay $446. The most popular route, (New York John F Kennedy Intl - Lambert-St Louis), can usually be booked for $202.

  • Can I find deals for flights from North America to St. Louis that include hotel bookings?

    Yes. In addition to deals on North America to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from North America to St. Louis?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from North America to St. Louis.

  • Can I find deals for business class flights from North America to St. Louis?

    Yes. Cheapflights offers flight deals from North America to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from North America to St. Louis?

    Currently, December is the cheapest month in which you can book a flight from North America to St. Louis (average of $52). Flying from North America to St. Louis in April is currently the most expensive (average of $102). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Edwardsville
O'Fallon
Fairview Heights
Maryland Heights
Collinsville
Eureka
Glencoe
St. Peters
Chesterfield
Alton
Farmington
Festus

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for North America to St. Louis

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to St. Louis flights
John F Kennedy Intl to Kansas City flights
Newark to St. Louis flights
LaGuardia to St. Louis flights
Dallas/Fort Worth to St. Louis flights
LaGuardia to Kansas City flights
Los Angeles to Kansas City flights
Newark to Kansas City flights
Dulles Intl to Kansas City flights
Boston to Kansas City flights
Denver to Kansas City flights
O'Hare Intl to Kansas City flights
Denver to St. Louis flights
Boston to St. Louis flights
Dulles Intl to St. Louis flights
Reagan-National to Kansas City flights
Los Angeles to St. Louis flights
San Francisco to St. Louis flights
Seattle to Kansas City flights
Hobby to St. Louis flights
Baltimore to St. Louis flights
Baltimore to Kansas City flights
Orlando to St. Louis flights
Seattle to St. Louis flights
Philadelphia to St. Louis flights
Dallas/Fort Worth to Kansas City flights
San Francisco to Kansas City flights
Reagan-National to St. Louis flights
O'Hare Intl to St. Louis flights
Atlanta to St. Louis flights
Atlanta to Kansas City flights
Minneapolis to St. Louis flights
George Bush Intcntl to St. Louis flights
Hobby to Kansas City flights
Sky Harbor Intl to St. Louis flights
Orlando to Kansas City flights
Detroit to Kansas City flights
Raleigh to Kansas City flights
Love Field to St. Louis flights
Tampa to St. Louis flights
George Bush Intcntl to Kansas City flights
Philadelphia to Kansas City flights
Minneapolis to Kansas City flights
Charlotte to St. Louis flights
Ontario to Kansas City flights
Charlotte to Kansas City flights
Sky Harbor Intl to Kansas City flights
Detroit to St. Louis flights
Midway to Kansas City flights
Las Vegas to St. Louis flights

Top 7 airlines flying from North America to St. Louis

Discover the top 7 airlines that operate flights from North America to St. Louis. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$65Average$212FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$80Average$182FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$133Average$371FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$166Average$461FlexibilityNo cancel feeOn-time69%
DeltaCheapest$168Average$339FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$186Average$398FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$257Average$516FlexibilityNo cancel feeOn-time75%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.