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$54+ Cheap flights from St. Louis (STL) to North America

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 9/12. Fares are subject to change and may not be available on all flights or dates of travel.
STL — LAX
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from St. Louis to North America

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

Round-trip from

$139
(Priceline)

One-way from

$54
(FlightHub)

Popular in

November

Cheapest in

April

Average price

$294

Good round-trip deal

$78 or less

Good one-way deal

$89 or less
From Lambert-St Louis to North America
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One-way flight from Lambert-St Louis to North America
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Highest demand for flights based on searches. 12% potential increase in price ($41 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Price to beat on a round-trip flight from Lambert-St Louis to North America.
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Price to beat on a one-way flight from Lambert-St Louis to North America.
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Find flight deals from St. Louis to North America

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

This Priceline deal was found by Cheapflights users on 6/12. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/97:29 pmSTL - DEN
Nonstop2h 29mFrontier
Wed 7/166:00 amDEN - STL
Nonstop2h 11mFrontier
Deal found 6/12$139
This Southwest deal was found by Cheapflights users on 6/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/46:45 pmSTL - DEN
Nonstop2h 20mSouthwest
Thu 8/145:30 amDEN - STL
Nonstop2h 00mSouthwest
Deal found 6/10$157
This American Airlines deal was found by Cheapflights users on 6/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2210:08 amSTL - DFW
Nonstop1h 49mAmerican Airlines
Wed 9/31:27 pmDFW - STL
Nonstop1h 42mAmerican Airlines
Deal found 6/12$159
This Cheapflightsfares deal was found by Cheapflights users on 6/12. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/228:44 amSTL - LAS
1 stop13h 22mSpirit Airlines
Thu 9/2510:55 pmLAS - STL
1 stop6h 54mSpirit Airlines
Deal found 6/12$163
This FlightHub deal was found by Cheapflights users on 6/12. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/58:44 amSTL - DFW
1 stop11h 48mMultiple Airlines
Sun 9/78:55 amDFW - STL
Nonstop1h 52mMultiple Airlines
Deal found 6/12$165
This Cheapflightsfares deal was found by Cheapflights users on 6/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/128:44 pmSTL - DFW
Nonstop1h 58mFrontier
Thu 6/195:30 pmDFW - STL
Nonstop1h 54mFrontier
Deal found 6/11$166
This Kiwi.com deal was found by Cheapflights users on 6/9. 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 10/105:52 pmSTL - LAS
1 stop7h 44mFrontier
Sat 10/1112:59 amLAS - STL
1 stop6h 08mFrontier
Deal found 6/9$171
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/188:44 amSTL - DFW
1 stop11h 48mSpirit Airlines
Sun 9/212:19 pmDFW - STL
1 stop17h 30mSpirit Airlines
Deal found 6/10$175
This American Airlines deal was found by Cheapflights users on 6/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1212:20 pmSTL - DEN
1 stop6h 43mAmerican Airlines
Sat 8/1611:59 pmDEN - STL
1 stop7h 07mAmerican Airlines
Deal found 6/10$182
This FlightHub deal was found by Cheapflights users on 6/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/228:44 amSTL - LAS
1 stop13h 22mMultiple Airlines
Wed 9/2412:59 amLAS - STL
1 stop6h 08mMultiple Airlines
Deal found 6/10$185
This United Airlines deal was found by Cheapflights users on 6/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/128:00 amSTL - DEN
1 stop5h 32mUnited Airlines
Sat 8/161:25 pmDEN - STL
Nonstop2h 06mUnited Airlines
Deal found 6/10$187
This Southwest deal was found by Cheapflights users on 6/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/74:20 pmSTL - SEA
1 stop9h 45mSouthwest
Tue 8/1210:45 pmSEA - STL
1 stop10h 05mSouthwest
Deal found 6/9$194

Cheapflights Fare Finder

Customize your flight search to find flights from St. Louis to North America 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 June 12, 2025.
Use the filters below to find and compare flights from St. Louis to North America that are best for you.

Fly from

St. Louis

Fly to

North America

Route

Depart

Return

Price

St. LouisDenver

STL - DEN

STLDEN

Lambert-St Louis

Wed 7/9

7:29 pm-8:58 pm

Nonstop2h 29m

Denver Intl

Wed 7/16

6:00 am-9:11 am

Nonstop2h 11m

$139

St. LouisDenver

STL - DEN

STLDEN

Lambert-St Louis

Mon 8/4

6:45 pm-8:05 pm

Nonstop2h 20m

Denver Intl

Thu 8/14

5:30 am-8:30 am

Nonstop2h 00m

$157

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Fri 8/22

10:08 am-11:57 am

Nonstop1h 49m

Dallas/Fort Worth

Wed 9/3

1:27 pm-3:09 pm

Nonstop1h 42m

$159

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Fri 9/5

8:44 am-8:32 pm

1 stop11h 48m

Dallas/Fort Worth

Sun 9/7

8:55 am-10:47 am

Nonstop1h 52m

$165

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Sun 6/29

8:44 pm-10:42 pm

Nonstop1h 58m

Dallas/Fort Worth

Thu 7/3

5:30 pm-7:24 pm

Nonstop1h 54m

$172

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Thu 9/18

8:44 am-8:32 pm

1 stop11h 48m

Dallas/Fort Worth

Sun 9/21

2:19 pm-7:49 am

1 stop17h 30m

$175

St. LouisLas Vegas

STL - LAS

STLLAS

Lambert-St Louis

Wed 7/23

11:24 am-11:37 pm

1 stop14h 13m

Las Vegas Harry Reid Intl

Sat 7/26

12:20 am-9:52 am

1 stop7h 32m

$178

St. LouisDenver

STL - DEN

STLDEN

Lambert-St Louis

Tue 8/12

12:20 pm-6:03 pm

1 stop6h 43m

Denver Intl

Sat 8/16

11:59 pm-8:06 am

1 stop7h 07m

$182

St. LouisDenver

STL - DEN

STLDEN

Lambert-St Louis

Tue 8/12

5:31 pm-11:22 pm

1 stop6h 51m

Denver Intl

Sat 8/16

5:37 pm-8:45 pm

Nonstop2h 08m

$187

St. LouisLas Vegas

STL - LAS

STLLAS

Lambert-St Louis

Thu 7/3

2:27 pm-4:05 pm

Nonstop3h 38m

Las Vegas Harry Reid Intl

Fri 7/4

12:58 pm-10:15 am

1 stop19h 17m

$192

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

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

Have a flexible travel schedule? Discover the best time to fly to North America 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.

Cheapflights Insights

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

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

Currently, January is the cheapest month in which you can book a flight from St. Louis to North America (average of $246). Flying from St. Louis to North America in March is currently the most expensive (average of $327). 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 NA?

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

When flying from St. Louis to North America, 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 North America

Explore weekly flight availability from St. Louis to North America. 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 June 12, 2025.

The most flights from STL to 0NA are scheduled on a Monday (11 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (8 on average).

Rainfall in North America by month

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

In terms of precipitation, rainfall in North America 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 North America when rainfall is around 2.8 in.

Temperature in North America by month

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

If weather is an important factor for your trip to North America, 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 North America

Get insights into the airlines that provide service to North America. 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 North America. Reviews last updated June 12, 2025.
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Aeromexico
7.5
Good
1,706 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to North America. 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 North America?

    Lambert-St Louis (STL) is the airport you will fly out of if you book a flight from St. Louis to North America. 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 North America flight route?

    Within the past month, 9 users have taken a look at flights from Lambert-St Louis to North America.

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

    For one-way options, check prices for Spirit Airlines. According to our data, you can fly for as low as $54. Users have also found prices from $71 and $87 on Frontier and American Airlines, respectively.

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

    When deciding which route to take from St. Louis to North America consider Lambert-St Louis - Seattle/Tacoma Intl, Lambert-St Louis - New York LaGuardia or Lambert-St Louis - Las Vegas Harry Reid Intl as they are the most popular.

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

    The top 3 most reliable airlines when flying from St. Louis to North America are Japan Airlines (84%), Air Tahiti Nui (84%) and Malaysia Airlines (84%).

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

    While on average a flight from St. Louis to North America is generally $1,795, our data shows the cheapest flight currently is $160. When looking at the most popular route, (Lambert-St Louis - Seattle/Tacoma Intl), you can expect to pay $179 for that flight.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from St. Louis to North America 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 North America?

    Currently, January is the cheapest month in which you can book a flight from St. Louis to North America (average of $246). Flying from St. Louis to North America in March is currently the most expensive (average of $327). 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 North America

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from St. Louis to North America

Discover the top 10 airlines that operate flights from St. Louis to North America. 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$45Average$188FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$56Average$233FlexibilityNo cancel feeOn-time65%
DeltaCheapest$94Average$336FlexibilityNo cancel feeOn-timeN/A
Allegiant AirCheapest$104Average$238FlexibilityNo cancel feeOn-time88%
United AirlinesCheapest$152Average$399FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$187Average$407FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$192Average$384FlexibilityNo cancel feeOn-time71%
Southern / MokuleleCheapest$193Average$226FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$236Average$469FlexibilityNo cancel feeOn-time75%
Hawaiian AirlinesCheapest$241Average$415FlexibilityNo cancel feeOn-time85%

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