$43+ 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 1/17. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — STL
Jan 25 — Feb 11
1 adult, Economy
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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
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from North America to St. Louis
Cheapest flights from North America to St. LouisExplore 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 December 26, 2025.
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 December 26, 2025.
This Kiwi.com deal was found by Cheapflights users on 12/23. 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.
Wed 12/318:12 amATL - STL
1 stop15h 21mFrontier
Thu 1/110:42 amSTL - ATL
Nonstop1h 41mFrontier
Deal found 12/23![Frontier logo]()
$158
This Cheapflightsfares deal was found by Cheapflights users on 12/23. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/315:55 amATL - STL
1 stop17h 38mFrontier
Sun 1/410:57 amSTL - ATL
Nonstop1h 41mFrontier
Deal found 12/23![Frontier logo]()
$170
This Super.com deal was found by Cheapflights users on 12/23. 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.
Tue 12/308:55 amATL - STL
Nonstop1h 45mFrontier
Thu 1/110:42 amSTL - ATL
Nonstop1h 41mFrontier
Deal found 12/23![Frontier logo]()
$177
This Cheapflightsfares deal was found by Cheapflights users on 12/24. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/318:12 amATL - STL
1 stop15h 21mFrontier
Fri 1/29:07 amSTL - ATL
1 stop21h 34mFrontier
Deal found 12/24![Frontier logo]()
$187
This American Airlines deal was found by Cheapflights users on 12/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/315:40 pmDFW - STL
Nonstop1h 42mAmerican Airlines
Thu 1/17:00 amSTL - DFW
Nonstop2h 11mAmerican Airlines
Deal found 12/24![American Airlines logo]()
$205
This Frontier deal was found by Cheapflights users on 12/23. 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 12/316:50 amDEN - STL
Nonstop2h 12mFrontier
Wed 1/77:43 pmSTL - DEN
Nonstop2h 32mFrontier
Deal found 12/23![Frontier logo]()
$219
This Delta deal was found by Cheapflights users on 12/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/313:26 pmDFW - STL
1 stop6h 50mDelta
Thu 1/15:13 pmSTL - DFW
1 stop4h 52mDelta
Deal found 12/24![Delta logo]()
$225
This Frontier deal was found by Cheapflights users on 12/23. 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.
Tue 12/308:55 amATL - STL
Nonstop1h 45mFrontier
Fri 1/29:07 amSTL - ATL
1 stop11h 37mFrontier
Deal found 12/23![Frontier logo]()
$236
This Frontier deal was found by Cheapflights users on 12/23. 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 12/316:50 amDEN - STL
Nonstop2h 12mFrontier
Thu 1/81:07 pmSTL - DEN
1 stop8h 05mFrontier
Deal found 12/23![Frontier logo]()
$236
This Frontier deal was found by Cheapflights users on 12/23. 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 12/316:50 amDEN - STL
Nonstop2h 12mFrontier
Mon 1/127:43 pmSTL - DEN
Nonstop2h 32mFrontier
Deal found 12/23![Frontier logo]()
$239
This Super.com deal was found by Cheapflights users on 12/23. 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.
Tue 12/308:55 amATL - STL
Nonstop1h 45mFrontier
Fri 1/93:43 pmSTL - ATL
Nonstop1h 45mFrontier
Deal found 12/23![Frontier logo]()
$241
This Kiwi.com deal was found by Cheapflights users on 12/23. 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.
Wed 12/316:50 amDEN - STL
Nonstop2h 12mFrontier
Tue 1/135:11 pmSTL - DEN
1 stop19h 12mFrontier
Deal found 12/23![Frontier logo]()
$243
Find 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 December 26, 2025.
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $93 (Cheapflightsfares) |
One-way from | $43 (Kiwi.com) |
Popular in | December |
Cheapest in | January |
Average price | $439 |
Good round-trip deal | $61 or less |
Good one-way deal | $74 or less |
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 December 26, 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
AtlantaSt. Louis
ATL - STL
ATLSTL
Atlanta Hartsfield-Jackson
Wed 2/4
6:00 am-6:51 am
Nonstop1h 51m
Lambert-St Louis
Sat 2/7
8:22 pm-11:06 pm
Nonstop1h 44m
$110
AtlantaSt. Louis
ATL - STL
ATLSTL
Atlanta Hartsfield-Jackson
Mon 1/12
8:17 am-10:33 pm
1 stop15h 16m
Lambert-St Louis
Wed 1/14
8:32 pm-11:16 pm
Nonstop1h 44m
$110
AtlantaSt. Louis
ATL - STL
ATLSTL
Atlanta Hartsfield-Jackson
Fri 1/30
4:13 pm-11:33 pm
1 stop8h 20m
Lambert-St Louis
Sat 1/31
12:12 pm-9:46 pm
1 stop8h 34m
$135
AtlantaSt. Louis
ATL - STL
ATLSTL
Atlanta Hartsfield-Jackson
Wed 2/18
6:00 am-3:53 pm
1 stop10h 53m
Lambert-St Louis
Sat 2/21
2:51 pm-5:17 am
1 stop13h 26m
$145
AtlantaSt. Louis
ATL - STL
ATLSTL
Atlanta Hartsfield-Jackson
Sat 2/14
6:00 am-6:51 am
Nonstop1h 51m
Lambert-St Louis
Mon 2/16
3:49 pm-10:24 am
2 stops17h 35m
$157
DenverSt. Louis
DEN - STL
DENSTL
Denver Intl
Thu 1/8
4:13 pm-7:21 pm
1 stop26h 08m
Lambert-St Louis
Mon 1/12
5:06 pm-2:25 pm
1 stop22h 19m
$162
NewarkSt. Louis
EWR - STL
EWRSTL
Newark
Fri 2/6
10:30 pm-6:51 am
1 stop9h 21m
Lambert-St Louis
Mon 2/9
5:42 pm-10:00 am
1 stop15h 18m
$171
DallasSt. Louis
DFW - STL
DFWSTL
Dallas/Fort Worth
Tue 1/20
8:40 pm-6:51 am
1 stop10h 11m
Lambert-St Louis
Sat 1/24
11:00 am-10:53 pm
2 stops11h 53m
$172
DenverSt. Louis
DEN - STL
DENSTL
Denver Intl
Sat 2/28
10:10 am-1:14 pm
Nonstop2h 04m
Lambert-St Louis
Mon 3/2
4:30 pm-6:05 pm
Nonstop2h 35m
$177
DenverSt. Louis
DEN - STL
DENSTL
Denver Intl
Sat 1/24
10:10 am-1:16 pm
Nonstop2h 06m
Lambert-St Louis
Mon 1/26
8:45 am-10:21 am
Nonstop2h 36m
$177
Showing 1-10 of 60 results
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 $45). 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 December 26, 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 in the evening, which can drop the price by up to 2% 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 December 20, 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. Saturday mornings 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 December 26, 2025.
The most flights from 0NA to STL are scheduled on a Thursday (11 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 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 December 26, 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.
Overall
8.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Comfort
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Overall
8.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Comfort
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Overall
8.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Comfort
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Overall
8.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Comfort
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Overall
8.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Comfort
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Overall
8.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Comfort
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
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.
Traveling to a place near St. Louis?
Book flights to St. Louis if you plan to visit one of these locationsEdwardsville
O'Fallon
Swansea
Fairview Heights
Maryland Heights
Collinsville
Eureka
Glencoe
Chesterfield
Alton
Farmington
Festus
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for North America to St. Louis
See prices for flight routes from nearby airports that may be better suited for you.
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 December 26, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$65 | Average$218 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$71 | Average$198 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$133 | Average$364 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$166 | Average$450 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$177 | Average$334 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$186 | Average$395 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$257 | Average$487 | FlexibilityNo cancel fee | On-time75% |