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$29+ 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 10/9. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — STL
ago. 4 — ago. 111
lun. 8/4
lun. 8/11
1 adult, Economy
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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 julio 30, 2025.

Round-trip from

$102
(Cheapflightsfares)

One-way from

$29
(Cheapflightsfares)

Popular in

December

Cheapest in

January

Average price

$350

Good round-trip deal

$104 or less

Good one-way deal

$87 or less
From North America to Lambert-St Louis
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One-way flight from North America to Lambert-St Louis
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Highest demand for flights based on searches. 8% potential increase in price ($31 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from North America to Lambert-St Louis.
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Price to beat on a one-way flight from North America to Lambert-St Louis.
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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 julio 30, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 7/29. 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.
jue. 9/182:16 pmATL - STL
Nonstop1h 48mFrontier
dom. 9/214:00 pmSTL - ATL
Nonstop1h 44mFrontier
Deal found 7/29$102
This Gotogate deal was found by Cheapflights users on 7/29. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/287:25 amDFW - STL
Nonstop1h 53mFrontier
dom. 8/3110:17 amSTL - DFW
Nonstop1h 56mFrontier
Deal found 7/29$109
This FlightHub deal was found by Cheapflights users on 7/27. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 8/105:45 amATL - STL
1 stop5h 07mMultiple Airlines
sáb. 8/162:52 pmSTL - ATL
Nonstop1h 54mMultiple Airlines
Deal found 7/27$119
This CheapOair deal was found by Cheapflights users on 7/29. 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.
jue. 8/286:45 amDFW - STL
1 stop6h 47mSpirit Airlines
jue. 9/412:05 pmSTL - DFW
1 stop7h 42mSpirit Airlines
Deal found 7/29$119
This CheapOair deal was found by Cheapflights users on 7/28. 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.
lun. 8/186:35 amATL - STL
1 stop7h 57mSpirit Airlines
lun. 8/252:30 pmSTL - ATL
1 stop7h 35mSpirit Airlines
Deal found 7/28$126
This Frontier deal was found by Cheapflights users on 7/29. 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.
lun. 10/136:00 amDEN - STL
Nonstop2h 07mFrontier
mié. 10/227:52 pmSTL - DEN
Nonstop2h 28mFrontier
Deal found 7/29$131
This American Airlines deal was found by Cheapflights users on 7/30. 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.
sáb. 9/204:35 pmDFW - STL
Nonstop1h 47mAmerican Airlines
mar. 9/237:16 amSTL - DFW
Nonstop1h 58mAmerican Airlines
Deal found 7/30$139
This Delta deal was found by Cheapflights users on 7/29. 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.
jue. 8/288:35 amATL - STL
Nonstop1h 40mDelta
jue. 9/43:42 pmSTL - ATL
Nonstop1h 43mDelta
Deal found 7/29$147
This FlightHub deal was found by Cheapflights users on 7/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/216:45 amDFW - STL
1 stop6h 47mMultiple Airlines
jue. 8/2810:17 amSTL - DFW
Nonstop1h 56mMultiple Airlines
Deal found 7/30$163
This United Airlines deal was found by Cheapflights users on 7/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/37:00 amSEA - STL
1 stop6h 44mUnited Airlines
vie. 9/55:49 pmSTL - SEA
1 stop7h 10mUnited Airlines
Deal found 7/28$174
This Delta deal was found by Cheapflights users on 7/29. 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.
mar. 8/265:30 amSEA - STL
1 stop6h 00mDelta
mar. 9/27:35 amSTL - SEA
1 stop9h 08mDelta
Deal found 7/29$177
This Booking.com deal was found by Cheapflights users on 7/29. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 8/1510:00 amEWR - STL
1 stop4h 32mSpirit Airlines
lun. 8/182:30 pmSTL - EWR
1 stop5h 30mSpirit Airlines
Deal found 7/29$181

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 julio 30, 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

jue. 9/18

2:16 pm-3:04 pm

Nonstop1h 48m

Lambert-St Louis

dom. 9/21

4:00 pm-6:44 pm

Nonstop1h 44m

$102

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

jue. 8/28

7:25 am-9:18 am

Nonstop1h 53m

Lambert-St Louis

dom. 8/31

10:17 am-12:13 pm

Nonstop1h 56m

$109

AtlantaSt. Louis

ATL - STL

ATLSTL

Atlanta Hartsfield-Jackson

dom. 8/10

5:45 am-9:52 am

1 stop5h 07m

Lambert-St Louis

sáb. 8/16

2:52 pm-5:46 pm

Nonstop1h 54m

$119

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

jue. 8/28

6:45 am-1:32 pm

1 stop6h 47m

Lambert-St Louis

jue. 9/4

12:05 pm-7:47 pm

1 stop7h 42m

$119

AtlantaSt. Louis

ATL - STL

ATLSTL

Atlanta Hartsfield-Jackson

lun. 8/18

6:35 am-1:32 pm

1 stop7h 57m

Lambert-St Louis

lun. 8/25

2:30 pm-11:05 pm

1 stop7h 35m

$126

DenverSt. Louis

DEN - STL

DENSTL

Denver Intl

lun. 10/13

6:00 am-9:07 am

Nonstop2h 07m

Lambert-St Louis

mié. 10/22

7:52 pm-9:20 pm

Nonstop2h 28m

$131

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

sáb. 9/20

4:35 pm-6:22 pm

Nonstop1h 47m

Lambert-St Louis

mar. 9/23

7:16 am-9:14 am

Nonstop1h 58m

$139

AtlantaSt. Louis

ATL - STL

ATLSTL

Atlanta Hartsfield-Jackson

jue. 8/28

8:35 am-9:15 am

Nonstop1h 40m

Lambert-St Louis

lun. 9/1

6:00 am-8:38 am

Nonstop1h 38m

$147

DallasSt. Louis

DFW - STL

DFWSTL

Dallas/Fort Worth

jue. 8/21

6:45 am-1:32 pm

1 stop6h 47m

Lambert-St Louis

jue. 8/28

10:17 am-12:13 pm

Nonstop1h 56m

$163

SeattleSt. Louis

SEA - STL

SEASTL

Seattle/Tacoma Intl

mié. 9/3

7:00 am-3:44 pm

1 stop6h 44m

Lambert-St Louis

vie. 9/5

5:49 pm-10:59 pm

1 stop7h 10m

$174

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Showing 1-10 of 60 results
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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, August is the cheapest month in which you can book a flight from North America to St. Louis (average of $311). Flying from North America to St. Louis in March is currently the most expensive (average of $356). 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 julio 30, 2025.

When flying from North America to St. Louis, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 julio 30, 2025.

The most flights from 0NA to STL are scheduled on a Monday (12 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (6 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 julio 30, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest, and Delta 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.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Southwest
8.0
Very good
4,241 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,980 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Hawaiian Airlines
7.8
Good
2,611 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,896 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

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 22 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • 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 $29. However, be on the lookout for offers from Spirit Airlines and American 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 Newark - Lambert-St Louis. You may also consider New York LaGuardia - Lambert-St Louis or Dallas/Fort Worth - 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: Southwest (81%), Qatar Airways (81%), American Airlines( 78%).

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

    The cheapest flight price from North America to St. Louis is $109. On average you can expect to pay $313. The most popular route, (Newark - Lambert-St Louis), can usually be booked for $170.

  • 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, August is the cheapest month in which you can book a flight from North America to St. Louis (average of $311). Flying from North America to St. Louis in March is currently the most expensive (average of $356). 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
O'Fallon
Maryland Heights
Fairview Heights
Collinsville
Eureka
St. Peters
Glencoe
Alton
Chesterfield
Festus
Farmington

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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.
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Newark to St. Louis flights
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Top 8 airlines flying from North America to St. Louis

Discover the top 8 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 julio 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$22Average$187FlexibilityNo cancel feeOn-time65%
FrontierCheapest$47Average$206FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$133Average$363FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$152Average$428FlexibilityNo cancel feeOn-time69%
DeltaCheapest$163Average$346FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$177Average$386FlexibilityNo cancel feeOn-time63%
Southern / MokuleleCheapest$194Average$216FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$315Average$645FlexibilityNo cancel feeOn-time75%

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