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$39+ Cheap flights from St. Louis (STL) to the United States

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 12/23. Fares are subject to change and may not be available on all flights or dates of travel.
STL — LAX
dic. 7 — dic. 141
sáb. 12/7
sáb. 12/14
1 adult, Economy
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Cheap flight deals from St. Louis to USA

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to USA (US0). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated diciembre 2, 2024.

Find flight deals from St. Louis to USA

Cheapest flights from St. Louis to USA
Explore the most affordable flight options available from St. Louis to USA. Find the lowest fares from popular airlines and budget airlines, with prices last updated on diciembre 2, 2024.

This Frontier deal was found by Cheapflights users on 12/1. 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. 12/166:46 pmSTL - DEN
Nonstop2h 36mFrontier
mar. 12/175:41 pmDEN - STL
Nonstop2h 05mFrontier
Deal found 12/1$78
This Frontier deal was found by Cheapflights users on 12/1. 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.
dom. 12/85:02 pmSTL - MCO
Nonstop2h 33mFrontier
vie. 12/139:41 pmMCO - STL
Nonstop2h 43mFrontier
Deal found 12/1$103
This Priceline deal was found by Cheapflights users on 12/1. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/164:57 pmSTL - MCO
1 stop5h 56mMultiple Airlines
jue. 12/196:25 amMCO - STL
1 stop9h 56mMultiple Airlines
Deal found 12/1$106
This Frontier deal was found by Cheapflights users on 12/2. 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.
mar. 12/173:53 pmSTL - DFW
1 stop8h 29mFrontier
jue. 12/265:35 pmDFW - STL
Nonstop1h 45mFrontier
Deal found 12/2$113
This FlightHub deal was found by Cheapflights users on 12/2. 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. 12/158:34 pmSTL - LAS
Nonstop3h 55mFrontier
lun. 12/169:54 pmLAS - STL
1 stop20h 52mFrontier
Deal found 12/2$138
This FlightHub deal was found by Cheapflights users on 12/2. 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.
lun. 12/98:34 pmSTL - LAS
Nonstop3h 55mMultiple Airlines
lun. 12/1610:27 pmLAS - STL
1 stop14h 54mMultiple Airlines
Deal found 12/2$157
This CheapOair deal was found by Cheapflights users on 12/2. 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.
vie. 12/209:29 pmSTL - PHX
1 stop24h 16mFrontier
jue. 1/25:45 amPHX - STL
1 stop25h 28mFrontier
Deal found 12/2$158
This American Airlines deal was found by Cheapflights users on 12/2. 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.
mar. 12/177:08 amSTL - DFW
Nonstop2h 06mAmerican Airlines
mar. 12/1711:15 amDFW - STL
Nonstop1h 41mAmerican Airlines
Deal found 12/2$176
This Priceline deal was found by Cheapflights users on 12/1. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/144:26 pmSTL - MCO
1 stop4h 45mSpirit Airlines
jue. 12/196:25 amMCO - STL
1 stop9h 56mSpirit Airlines
Deal found 12/1$179
This Delta deal was found by Cheapflights users on 11/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/147:15 amSTL - DFW
1 stop7h 44mDelta
lun. 12/165:42 pmDFW - STL
1 stop6h 01mDelta
Deal found 11/30$200
This FlightHub deal was found by Cheapflights users on 12/1. 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.
vie. 12/63:34 pmSTL - DFW
Nonstop1h 55mMultiple Airlines
dom. 12/85:41 amDFW - STL
1 stop9h 40mMultiple Airlines
Deal found 12/1$213
This FlightHub deal was found by Cheapflights users on 11/30. 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.
sáb. 12/146:46 pmSTL - SEA
1 stop18h 43mFrontier
lun. 12/169:57 amSEA - STL
1 stop7h 37mFrontier
Deal found 11/30$218

Find flights from St. Louis to USA within your budget

Customize your flight search to find flights from St. Louis to USA 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 2,650,959 searches. Data last updated diciembre 2, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

St. LouisDenver

STL - DEN

STLDEN

Lambert-St Louis

vie. 1/10

6:49 pm-8:25 pm

Nonstop2h 36m

Denver Intl

lun. 1/13

6:00 am-9:06 am

Nonstop2h 06m

$67

St. LouisOrlando

STL - MCO

STLMCO

Lambert-St Louis

lun. 12/16

4:57 pm-11:53 pm

1 stop5h 56m

Orlando

lun. 12/23

5:01 am-6:43 am

Nonstop2h 42m

$103

St. LouisOrlando

STL - MCO

STLMCO

Lambert-St Louis

mar. 1/7

5:05 pm-8:38 pm

Nonstop2h 33m

Orlando

mar. 1/14

6:08 am-2:43 pm

1 stop9h 35m

$104

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

lun. 1/13

8:34 pm-4:40 am

1 stop8h 06m

Dallas/Fort Worth

lun. 1/20

9:59 pm-11:31 pm

1 stop25h 32m

$113

St. LouisLas Vegas

STL - LAS

STLLAS

Lambert-St Louis

vie. 1/17

8:31 pm-10:20 pm

Nonstop3h 49m

Las Vegas Harry Reid Intl

mar. 1/21

8:18 pm-9:16 am

1 stop10h 58m

$138

St. LouisLas Vegas

STL - LAS

STLLAS

Lambert-St Louis

sáb. 2/15

6:10 am-1:48 pm

1 stop9h 38m

Las Vegas Harry Reid Intl

mié. 2/19

10:00 pm-8:51 am

1 stop8h 51m

$158

St. LouisPhoenix

STL - PHX

STLPHX

Lambert-St Louis

vie. 12/20

9:29 pm-8:45 pm

1 stop24h 16m

Phoenix Sky Harbor Intl

jue. 1/2

5:45 am-8:13 am

1 stop25h 28m

$158

St. LouisDenver

STL - DEN

STLDEN

Lambert-St Louis

vie. 1/24

8:27 am-10:05 am

Nonstop2h 38m

Denver Intl

mar. 1/28

9:40 am-12:48 pm

Nonstop2h 08m

$177

St. LouisDenver

STL - DEN

STLDEN

Lambert-St Louis

vie. 2/7

9:00 am-10:30 am

Nonstop2h 30m

Denver Intl

mar. 2/11

9:50 am-12:55 pm

Nonstop2h 05m

$178

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

lun. 12/16

1:36 pm-3:36 pm

Nonstop2h 00m

Dallas/Fort Worth

mié. 12/18

8:51 pm-10:33 pm

Nonstop1h 42m

$181

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/1

Showing 1-10 of 60 results
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Best time to book a flight from St. Louis to USA

Have a flexible travel schedule? Discover the best time to fly to USA from St. Louis 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.

Travel insights for flights from St. Louis to USA

Get recent, data-driven insights about flights from St. Louis to USA including ideal travel times, pricing trends, and more.

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

Currently, September is the cheapest month in which you can book a flight from St. Louis to USA (average of $240). Flying from St. Louis to USA in July is currently the most expensive (average of $322). 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 STL to US?

Find hourly flight availability from St. Louis to USA. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated diciembre 2, 2024.

When flying from St. Louis to USA, 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 St. Louis to USA

Explore weekly flight availability from St. Louis to USA. 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 diciembre 2, 2024.

The most flights from STL to US0 are scheduled on a Monday (9 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (2 on average).

Rainfall in USA by month

Plan your trip to USA by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in USA ranges from 2.8 - 4.5 inches per month. July is typically the wettest month, when rainfall can reach 4.5 in. February is typically the driest time to visit USA when rainfall is around 2.8 in.

Temperature in USA by month

Plan your trip to USA by taking into account the average temperature totals by month.

If weather is an important factor for your trip to USA, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 33.8 F).

Reviews of airlines servicing USA

Get insights into the airlines that provide service to USA. 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 USA. Reviews last updated diciembre 2, 2024.
Read reviews from past customers who have flown Delta, Southwest and American Airlines from St. Louis to USA. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,951 reviews

Boarding

8.2

Comfort

8.1

Food

7.2

Entertainment

7.7

Overall

8.1

Crew

8.7

Reviews

1 / 10

Flight was delayed by one hour and 40 minutes. Also baggage was delivered late at Boston. This delay made me miss my connection from Boston to Hyderabad

Southwest
8.1
Very good
4,951 reviews
Southwest
8.1
Very good
4,951 reviews

Boarding

8.2

Comfort

8.1

Food

7.2

Entertainment

7.7

Overall

8.1

Crew

8.7

Reviews

1 / 10

Flight was delayed by one hour and 40 minutes. Also baggage was delivered late at Boston. This delay made me miss my connection from Boston to Hyderabad

Alaska Airlines
8.0
Very good
9,513 reviews
Southwest
8.1
Very good
4,951 reviews

Boarding

8.2

Comfort

8.1

Food

7.2

Entertainment

7.7

Overall

8.1

Crew

8.7

Reviews

1 / 10

Flight was delayed by one hour and 40 minutes. Also baggage was delivered late at Boston. This delay made me miss my connection from Boston to Hyderabad

Delta
8.0
Very good
8,698 reviews
Southwest
8.1
Very good
4,951 reviews

Boarding

8.2

Comfort

8.1

Food

7.2

Entertainment

7.7

Overall

8.1

Crew

8.7

Reviews

1 / 10

Flight was delayed by one hour and 40 minutes. Also baggage was delivered late at Boston. This delay made me miss my connection from Boston to Hyderabad

United Airlines
7.4
Good
9,141 reviews
Southwest
8.1
Very good
4,951 reviews

Boarding

8.2

Comfort

8.1

Food

7.2

Entertainment

7.7

Overall

8.1

Crew

8.7

Reviews

1 / 10

Flight was delayed by one hour and 40 minutes. Also baggage was delivered late at Boston. This delay made me miss my connection from Boston to Hyderabad

WestJet
7.3
Good
2,815 reviews
Southwest
8.1
Very good
4,951 reviews

Boarding

8.2

Comfort

8.1

Food

7.2

Entertainment

7.7

Overall

8.1

Crew

8.7

Reviews

1 / 10

Flight was delayed by one hour and 40 minutes. Also baggage was delivered late at Boston. This delay made me miss my connection from Boston to Hyderabad

Related info for your journey

Find useful and relevant information for your journey from St. Louis to USA. 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 from for flights from St. Louis to United States?

    Lambert-St Louis (STL) is the airport you will fly out of if you book a flight from St. Louis to United States. It is only a 12.7 mi journey to Lambert-St Louis (STL) from St. Louis’s city center.

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

    Flights from Lambert-St Louis to United States have been viewed 22 times in the past calendar month.

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

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $43. Spirit Airlines flights start at $65 while deals on United Airlines start at $79 one-way.

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

    The most popular flight routes from St. Louis to USA are Lambert-St Louis - Orlando, Lambert-St Louis - Las Vegas Harry Reid Intl and Lambert-St Louis - New York LaGuardia.

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

    Before booking your flight to USA from St. Louis, check out the most reliable airlines to get you to your destination on time: Sun Country Air (100%), Qatar Airways (94%), Cathay Pacific( 92%).

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

    Looking for the cheapest flight from St. Louis to USA? While on average our users pay $1,198, our data indicates the cheapest price to be $144. The most popular route (Lambert-St Louis - Orlando), is priced around $100.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from St. Louis to USA 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 St. Louis to USA?

    Currently, September is the cheapest month in which you can book a flight from St. Louis to USA (average of $240). Flying from St. Louis to USA in July is currently the most expensive (average of $322). 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

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Alternative routes for St. Louis to USA

See prices for flight routes from nearby airports that may be better suited for you.
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Kansas City to Tampa flights
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Kansas City to Ontario flights
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St. Louis to George Bush Intcntl flights

Top 8 airlines flying from St. Louis to USA

Discover the top 8 airlines that operate flights from St. Louis to USA. 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 2,650,959 searches. Data last updated diciembre 2, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$51Average$186FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$61Average$194FlexibilityNo cancel feeOn-time65%
Southern / MokuleleCheapest$189Average$236FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$195Average$377FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$201Average$446FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$204Average$411FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$223Average$395FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$332Average$667FlexibilityNo cancel feeOn-time75%
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