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

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 6/17. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
STL — LAX
May 2 — May 91
From?
To?
Thu 5/2
Thu 5/9
1 adult, Economy
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How far in advance should I book a flight from St. Louis to USA?

Users have found that booking a flight from St. Louis to USA at least 39 days early can save you up to 114% on average compared to booking a flight this week. If booking 39 days before your flight isn’t an option for you, users have found flights from St. Louis to USA for as little as $279 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $560 for flights departing within the next 3 days.

What is the cheapest month to fly from St. Louis to USA?

Flights from St. Louis to USA lean towards being more expensive in June. Prices are generally better when you fly from St. Louis to USA in February, with the cheapest ticket starting at $114.

When is the cheapest time to fly from St. Louis to USA (STL - US)?

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.

Cheap Frontier flights from St. Louis to USA

Explore cheap flight options specifically provided by Frontier for the route between St. Louis and USA. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,068,117 searches. Data last updated April 27, 2024.
Take a peek at the cheapest Frontier flights we've detected traveling from St. Louis to USA. Come back soon if you're not finding the exact deal you're looking for.
Wed 5/87:51 pmSTL - LAS
Nonstop3h 43mFrontier
Wed 5/155:10 amLAS - STL
Nonstop3h 08mFrontier
Deal found 4/26$41
Sat 5/185:25 pmSTL - MCO
Nonstop2h 38mFrontier
Tue 5/215:30 amMCO - STL
Nonstop2h 38mFrontier
Deal found 4/26$47
Tue 5/147:16 pmSTL - MCO
Nonstop2h 32mFrontier
Sat 5/182:44 pmMCO - STL
Nonstop2h 41mFrontier
Deal found 4/26$48
Wed 6/128:02 pmSTL - DEN
Nonstop2h 31mFrontier
Wed 6/196:20 amDEN - STL
Nonstop2h 10mFrontier
Deal found 4/26$57
Wed 7/102:12 pmSTL - DFW
Nonstop2h 16mFrontier
Wed 7/1711:12 amDFW - STL
Nonstop2h 10mFrontier
Deal found 4/26$58
Mon 5/67:51 pmSTL - LAS
Nonstop3h 43mFrontier
Wed 5/85:10 amLAS - STL
Nonstop3h 08mFrontier
Deal found 4/26$62
Tue 5/77:51 pmSTL - LAS
Nonstop3h 43mFrontier
Wed 5/85:10 amLAS - STL
Nonstop3h 08mFrontier
Deal found 4/25$63
Wed 5/87:51 pmSTL - LAS
Nonstop3h 43mFrontier
Sat 5/113:03 pmLAS - STL
1 stop21h 26mFrontier
Deal found 4/25$64
Wed 5/87:51 pmSTL - LAS
Nonstop3h 43mFrontier
Wed 5/156:45 amLAS - STL
1 stop6h 54mFrontier
Deal found 4/26$65

Cheap Delta flights from St. Louis to USA

Explore cheap flight options specifically provided by Delta for the route between St. Louis and USA. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,068,117 searches. Data last updated April 27, 2024.
To aid your search, here are some of the cheapest Delta flights we've found from St. Louis to USA. Ensure the flight price, dates, time, and airline match your criteria before you book.
Fri 5/313:27 pmSTL - DEN
1 stop6h 42mDelta
Mon 6/312:30 amDEN - STL
1 stop7h 35mDelta
Deal found 4/25$187
Wed 6/122:30 pmSTL - DEN
1 stop5h 23mDelta
Tue 6/188:05 amDEN - STL
1 stop5h 52mDelta
Deal found 4/26$198
Wed 6/194:02 pmSTL - ATL
Nonstop1h 43mDelta
Wed 6/268:28 amATL - STL
Nonstop1h 42mDelta
Deal found 4/26$211
Fri 5/175:02 pmSTL - ATL
Nonstop1h 37mDelta
Mon 5/2011:00 pmATL - STL
Nonstop1h 40mDelta
Deal found 4/26$231
Fri 5/173:27 pmSTL - ATL
Nonstop1h 38mDelta
Sun 5/198:15 amATL - STL
Nonstop1h 39mDelta
Deal found 4/26$256
Fri 5/247:10 pmSTL - ATL
Nonstop1h 40mDelta
Sat 6/11:50 pmATL - STL
Nonstop1h 38mDelta
Deal found 4/26$266
Wed 5/1512:53 pmSTL - ATL
Nonstop1h 37mDelta
Wed 5/228:26 amATL - STL
Nonstop1h 39mDelta
Deal found 4/26$267
Thu 5/167:00 amSTL - ATL
Nonstop1h 37mDelta
Mon 5/2011:00 pmATL - STL
Nonstop1h 40mDelta
Deal found 4/26$277
Thu 6/66:00 amSTL - ATL
Nonstop1h 36mDelta
Mon 6/1011:00 pmATL - STL
Nonstop1h 43mDelta
Deal found 4/26$281

Cheap St. Louis to USA flights in April & May 2024

Find cheap flight options from St. Louis to USA specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,068,117 searches. Prices were last updated on April 27, 2024.
These are some of the best deals we've found on flights to USA in 2024 at this time. Check back regularly for other flight deals.
Sat 5/185:25 pmSTL - MCO
Nonstop2h 38mFrontier
Tue 5/215:30 amMCO - STL
Nonstop2h 38mFrontier
Deal found 4/26$47
Sat 5/185:25 pmSTL - MCO
Nonstop2h 38mFrontier
Tue 5/215:30 amMCO - STL
Nonstop2h 38mFrontier
Deal found 4/25$48
Sat 5/1111:39 amSTL - MCO
Nonstop2h 27mMultiple Airlines
Fri 5/175:30 amMCO - STL
Nonstop2h 38mMultiple Airlines
Deal found 4/26$49
Mon 5/209:26 pmSTL - MCO
Nonstop2h 33mFrontier
Fri 5/245:30 amMCO - STL
Nonstop2h 38mFrontier
Deal found 4/26$57
Tue 5/144:50 pmSTL - DEN
Nonstop2h 30mFrontier
Tue 5/2110:00 amDEN - STL
Nonstop2h 09mFrontier
Deal found 4/26$57
Tue 5/287:44 pmSTL - MCO
Nonstop2h 34mFrontier
Thu 5/305:30 amMCO - STL
Nonstop2h 38mFrontier
Deal found 4/26$58
Sat 5/258:04 pmSTL - DEN
Nonstop2h 31mFrontier
Sat 6/16:15 amDEN - STL
Nonstop2h 10mFrontier
Deal found 4/25$58
Mon 5/65:02 pmSTL - LAS
Nonstop3h 30mMultiple Airlines
Wed 5/155:10 amLAS - STL
Nonstop3h 08mMultiple Airlines
Deal found 4/26$59
Sun 5/57:51 pmSTL - LAS
Nonstop3h 43mFrontier
Wed 5/85:10 amLAS - STL
Nonstop3h 08mFrontier
Deal found 4/26$62

St. Louis to USA 2024 flight deals

Discover exclusive flight deals for travel between St. Louis and USA in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,068,117 searches. Data last updated April 27, 2024.
These are some of the best deals we've found on flights to USA in 2024 at this time. Check back regularly for other flight deals.
Wed 5/87:51 pmSTL - LAS
Nonstop3h 43mFrontier
Wed 5/155:10 amLAS - STL
Nonstop3h 08mFrontier
Deal found 4/26$41
Wed 5/87:51 pmSTL - LAS
Nonstop3h 43mFrontier
Wed 5/155:10 amLAS - STL
Nonstop3h 08mFrontier
Deal found 4/27$42
Tue 5/147:16 pmSTL - MCO
Nonstop2h 32mMultiple Airlines
Sat 5/189:04 amMCO - STL
Nonstop2h 24mMultiple Airlines
Deal found 4/26$46
Sat 5/185:25 pmSTL - MCO
Nonstop2h 38mFrontier
Tue 5/215:30 amMCO - STL
Nonstop2h 38mFrontier
Deal found 4/26$47
Sat 5/185:25 pmSTL - MCO
Nonstop2h 38mFrontier
Tue 5/215:30 amMCO - STL
Nonstop2h 38mFrontier
Deal found 4/25$48
Sat 5/1111:39 amSTL - MCO
Nonstop2h 27mMultiple Airlines
Fri 5/175:30 amMCO - STL
Nonstop2h 38mMultiple Airlines
Deal found 4/26$49
Mon 5/209:26 pmSTL - MCO
Nonstop2h 33mFrontier
Fri 5/245:30 amMCO - STL
Nonstop2h 38mFrontier
Deal found 4/26$57
Wed 6/128:02 pmSTL - DEN
Nonstop2h 31mFrontier
Wed 6/196:20 amDEN - STL
Nonstop2h 10mFrontier
Deal found 4/26$57
Tue 5/287:44 pmSTL - MCO
Nonstop2h 34mFrontier
Thu 5/305:30 amMCO - STL
Nonstop2h 38mFrontier
Deal found 4/26$58

Non-stop flights to USA from St. Louis

Discover non-stop flight options from St. Louis to USA. Find direct flights with no layovers, providing a convenient travel experience. Explore non-stop flight options based on user searches, and compare prices and availability for your desired travel dates. Over the last 7 days, Cheapflights users made 3,068,117 searches. Data last updated April 27, 2024.
Take a look at some of the direct flights traveling from St. Louis to USA in the near future. Select from other flights from St. Louis to USA by using the search form above.
Sat 5/185:25 pmSTL - MCO
Nonstop2h 38mFrontier
Tue 5/215:30 amMCO - STL
Nonstop2h 38mFrontier
Deal found 4/26$47
Sat 5/185:25 pmSTL - MCO
Nonstop2h 38mFrontier
Tue 5/215:30 amMCO - STL
Nonstop2h 38mFrontier
Deal found 4/25$48
Sat 5/1111:39 amSTL - MCO
Nonstop2h 27mMultiple Airlines
Fri 5/175:30 amMCO - STL
Nonstop2h 38mMultiple Airlines
Deal found 4/26$49
Mon 5/209:26 pmSTL - MCO
Nonstop2h 33mFrontier
Fri 5/245:30 amMCO - STL
Nonstop2h 38mFrontier
Deal found 4/26$57
Wed 6/128:02 pmSTL - DEN
Nonstop2h 31mFrontier
Wed 6/196:20 amDEN - STL
Nonstop2h 10mFrontier
Deal found 4/26$57
Tue 5/287:44 pmSTL - MCO
Nonstop2h 34mFrontier
Thu 5/305:30 amMCO - STL
Nonstop2h 38mFrontier
Deal found 4/26$58
Sat 5/258:04 pmSTL - DEN
Nonstop2h 31mFrontier
Sat 6/16:15 amDEN - STL
Nonstop2h 10mFrontier
Deal found 4/25$58
Sat 5/185:25 pmSTL - MCO
Nonstop2h 38mFrontier
Sun 5/265:30 amMCO - STL
Nonstop2h 38mFrontier
Deal found 4/26$66
Wed 5/155:56 pmSTL - MCO
Nonstop2h 32mMultiple Airlines
Sat 5/189:04 amMCO - STL
Nonstop2h 24mMultiple Airlines
Deal found 4/26$67

St. Louis to USA flights leaving soon

Find last-minute flight options from St. Louis to USA for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 3,068,117 searches. Data last updated April 27, 2024.
Users seeking a last-minute flight from St. Louis to USA should consider booking one of these fares. Users should double check the flight they book to ensure it matches the day, time, and destination they're looking for.
Sun 5/57:51 pmSTL - LAS
Nonstop3h 43mFrontier
Wed 5/85:10 amLAS - STL
Nonstop3h 08mFrontier
Deal found 4/26$62
Tue 5/77:51 pmSTL - LAS
Nonstop3h 43mFrontier
Wed 5/85:10 amLAS - STL
Nonstop3h 08mFrontier
Deal found 4/25$63
Wed 5/87:51 pmSTL - LAS
Nonstop3h 43mFrontier
Sat 5/113:03 pmLAS - STL
1 stop21h 26mFrontier
Deal found 4/25$64
Wed 5/87:51 pmSTL - LAS
Nonstop3h 43mFrontier
Wed 5/156:45 amLAS - STL
1 stop6h 54mFrontier
Deal found 4/26$65
Wed 5/87:51 pmSTL - LAS
Nonstop3h 43mFrontier
Mon 5/135:10 amLAS - STL
Nonstop3h 08mFrontier
Deal found 4/26$80
Mon 5/67:51 pmSTL - LAS
Nonstop3h 43mFrontier
Thu 5/94:59 pmLAS - STL
Nonstop3h 10mFrontier
Deal found 4/26$83
Tue 5/77:51 pmSTL - LAS
Nonstop3h 43mFrontier
Sat 5/1110:12 pmLAS - STL
1 stop14h 17mFrontier
Deal found 4/26$85
Wed 5/87:51 pmSTL - LAS
Nonstop3h 43mFrontier
Mon 5/1311:56 amLAS - STL
1 stop7h 07mFrontier
Deal found 4/26$90
Sat 5/412:39 pmSTL - LAS
1 stop10h 19mFrontier
Wed 5/85:10 amLAS - STL
Nonstop3h 08mFrontier
Deal found 4/26$91

One-way flights to USA from St. Louis

Search for one-way flight options from St. Louis to USA. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,068,117 searches. Data last updated April 27, 2024.
If you're seeking multiple options on one-way flights from St. Louis to USA, be sure to check out these deals, which are updated often. Those seeking round-trip flights from St. Louis to USA should utilize the search form at the the top of the page.
Mon 6/171:48 pmSTL - DFW
Nonstop1h 52mFrontier
Deal found 4/27$39
Wed 6/268:02 pmSTL - DEN
Nonstop2h 31mFrontier
Deal found 4/25$39
Mon 5/274:05 pmSTL - LAS
Nonstop3h 33mSpirit Airlines
Deal found 4/26$39
Sun 5/1911:22 pmSTL - DEN
Nonstop2h 27mFrontier
Deal found 4/26$40
Mon 5/134:05 pmSTL - LAS
Nonstop3h 33mSpirit Airlines
Deal found 4/26$41
Sun 5/510:59 pmSTL - LAS
Nonstop3h 52mFrontier
Deal found 4/26$42
Sat 5/115:15 pmSTL - MCO
1 stop6h 39mSpirit Airlines
Deal found 4/26$43
Mon 5/65:02 pmSTL - LAS
Nonstop3h 30mSpirit Airlines
Deal found 4/26$43
Sat 5/255:56 pmSTL - MCO
Nonstop2h 38mFrontier
Deal found 4/26$44

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 3,068,117 searches. Data last updated April 27, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$41 - $75

Route

Depart

Return

Price

Lambert-St LouisLas Vegas Harry Reid Intl

STL - LAS

STLLAS

Lambert-St Louis

Wed 5/8

Nonstop3h 43m

Las Vegas Harry Reid Intl

Wed 5/15

Nonstop3h 08m

$41

Lambert-St LouisOrlando

STL - MCO

STLMCO

Lambert-St Louis

Tue 5/14

Nonstop2h 32m

Orlando

Sat 5/18

Nonstop2h 24m

$45

Lambert-St LouisOrlando

STL - MCO

STLMCO

Lambert-St Louis

Sat 5/18

Nonstop2h 38m

Orlando

Tue 5/21

Nonstop2h 38m

$47

Lambert-St LouisOrlando

STL - MCO

STLMCO

Lambert-St Louis

Tue 5/14

Nonstop2h 32m

Orlando

Sat 5/18

Nonstop2h 41m

$48

Lambert-St LouisOrlando

STL - MCO

STLMCO

Lambert-St Louis

Sat 5/11

Nonstop2h 27m

Orlando

Fri 5/17

Nonstop2h 38m

$49

Lambert-St LouisOrlando

STL - MCO

STLMCO

Lambert-St Louis

Mon 5/20

Nonstop2h 33m

Orlando

Fri 5/24

Nonstop2h 38m

$57

Lambert-St LouisDenver Intl

STL - DEN

STLDEN

Lambert-St Louis

Wed 6/12

Nonstop2h 31m

Denver Intl

Wed 6/19

Nonstop2h 10m

$57

Lambert-St LouisLas Vegas Harry Reid Intl

STL - LAS

STLLAS

Lambert-St Louis

Mon 5/6

Nonstop3h 30m

Las Vegas Harry Reid Intl

Wed 5/15

Nonstop3h 08m

$59

Lambert-St LouisOrlando

STL - MCO

STLMCO

Lambert-St Louis

Sat 5/11

Nonstop2h 27m

Orlando

Mon 5/13

1 stop13h 52m

$75

Flights are sorted by cheapest first

Deals found on 4/26

No data available for this route at this time. Please check back soon.

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 April 27, 2024.
Read reviews from past customers who have flown Frontier, Delta and Spirit 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
8.2
Very good
6,165 reviews
Check prices

Comfort

8.1

Crew

8.7

Boarding

8.3

Food

7.4

Overall

8.2

Entertainment

7.8

Reviews

1 / 10

I was traveling with a companion that utilizes a scooter to get around. We have flown together many times and used other airlines. Southwest by far is the most accommodating airline in the fleet your staff Makes the accessibility easy and convenient for for this type of travel. We would personally like to think the flight teams of our two flights for being very accommodating and helpful throughout our trip.

Southwest
8.2
Very good
6,165 reviews
Southwest
8.2
Very good
6,165 reviews
Check prices

Comfort

8.1

Crew

8.7

Boarding

8.3

Food

7.4

Overall

8.2

Entertainment

7.8

Reviews

1 / 10

I was traveling with a companion that utilizes a scooter to get around. We have flown together many times and used other airlines. Southwest by far is the most accommodating airline in the fleet your staff Makes the accessibility easy and convenient for for this type of travel. We would personally like to think the flight teams of our two flights for being very accommodating and helpful throughout our trip.

Alaska Airlines
8.1
Very good
9,117 reviews
Southwest
8.2
Very good
6,165 reviews
Check prices

Comfort

8.1

Crew

8.7

Boarding

8.3

Food

7.4

Overall

8.2

Entertainment

7.8

Reviews

1 / 10

I was traveling with a companion that utilizes a scooter to get around. We have flown together many times and used other airlines. Southwest by far is the most accommodating airline in the fleet your staff Makes the accessibility easy and convenient for for this type of travel. We would personally like to think the flight teams of our two flights for being very accommodating and helpful throughout our trip.

Delta
8.1
Very good
10,951 reviews
Southwest
8.2
Very good
6,165 reviews
Check prices

Comfort

8.1

Crew

8.7

Boarding

8.3

Food

7.4

Overall

8.2

Entertainment

7.8

Reviews

1 / 10

I was traveling with a companion that utilizes a scooter to get around. We have flown together many times and used other airlines. Southwest by far is the most accommodating airline in the fleet your staff Makes the accessibility easy and convenient for for this type of travel. We would personally like to think the flight teams of our two flights for being very accommodating and helpful throughout our trip.

United Airlines
7.4
Good
11,228 reviews
Southwest
8.2
Very good
6,165 reviews
Check prices

Comfort

8.1

Crew

8.7

Boarding

8.3

Food

7.4

Overall

8.2

Entertainment

7.8

Reviews

1 / 10

I was traveling with a companion that utilizes a scooter to get around. We have flown together many times and used other airlines. Southwest by far is the most accommodating airline in the fleet your staff Makes the accessibility easy and convenient for for this type of travel. We would personally like to think the flight teams of our two flights for being very accommodating and helpful throughout our trip.

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.

  • Can I find flights from St. Louis to USA for under $100 on Cheapflights?

    Yes, there are multiple flights from St. Louis to USA for under $100. The cheapest flight booked recently is on Frontier for just $41, but on average you can expect to pay $58.

  • Are there nonstop flights from St. Louis to USA for under $100 on Cheapflights?

    Cheapflights has at least 20 direct flights from St. Louis to USA under $100. A good price for a nonstop flight from St. Louis to USA is less than $66.

  • Are there last-minute flights available from St. Louis to USA for under $100?

    There are currently 20+ open flights from St. Louis to USA within the next 7 days for less than $100.

  • 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 most popular routes from St. Louis to USA?

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

  • What are the most popular airlines that fly from St. Louis to USA?

    Consider American Airlines, Alaska Airlines or Delta when booking your flight. These represent the most popular airlines when flying from St. Louis to USA.

  • 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%), American Airlines (70%), Fiji Airways( 69%).

  • 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 $890, our data indicates the cheapest price to be $135. The most popular route (Lambert-St Louis - Las Vegas Harry Reid Intl), is priced around $43.

  • What does STL to LAX mean?

    STL and LAX are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. STL to LAX refers to a flight route from Lambert-St Louis Airport to Los Angeles Airport. San Francisco Airport (SFO), Miami Airport (MIA), New York John F Kennedy Intl Airport (JFK), Boston Logan Intl Airport (BOS), Atlanta Hartsfield-Jackson Airport (ATL) are some additional IATA codes for airports related to your trip.

  • Can I find deals for flights from St. Louis to USA that include extra baggage allowance?

    The amount of baggage you can bring on your St. Louis to USA flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from St. Louis to USA with specific airlines?

    Yes, Cheapflights allows you to browse and filter St. Louis to USA flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • 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.

  • Can I find deals for flights from St. Louis to USA that allow pets onboard?

    Many airlines flying from St. Louis to USA offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from St. Louis to USA?

    Yes, you can often find last-minute deals on St. Louis to USA flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the St. Louis to USA flight deals updated?

    The St. Louis to USA flight deals you see on this page were last updated on 4/27.

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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Top 9 airlines flying from St. Louis to USA

Discover the top 9 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 3,068,117 searches. Data last updated April 27, 2024.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$70Average$221FlexibilityNo cancel feeOn-time65%
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FrontierCheapest$94Average$200FlexibilityNo cancel feeOn-time62%
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DeltaCheapest$149Average$386FlexibilityNo cancel feeOn-timeN/A
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JetBlueCheapest$183Average$449FlexibilityNo cancel feeOn-time62%
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Southern / MokuleleCheapest$185Average$237FlexibilityNo cancel feeOn-timeN/A
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United AirlinesCheapest$188Average$481FlexibilityNo cancel feeOn-time69%
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American AirlinesCheapest$209Average$387FlexibilityNo cancel feeOn-time71%
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Sun Country AirCheapest$211Average$478FlexibilityNo cancel feeOn-time83%
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Alaska AirlinesCheapest$256Average$492FlexibilityNo cancel feeOn-time75%
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Search flights from St. Louis to USA by cabin class

Find flights from St. Louis to USA, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Hourly flight availability from St. Louis to USA

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 April 27, 2024.
18%of flight departuresEarly morningMidnight to 6 am
36%of flight departuresMorning6 am to noon
42%of flight departuresAfternoonNoon to 6 pm
4%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from St. Louis to USA?

Cheapflights helps you search for flights from St. Louis to USA via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from St. Louis to USA?

Cheapflights simply makes it quick and affordable to book flights from St. Louis to USA by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from St. Louis to USA with no change fees?

Yes! Cheapflights helps users easily find flights from St. Louis to USA with no change fees.

Can Cheapflights notify me if prices for flights from St. Louis to USA become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to USA from St. Louis today and book when prices fit your budget.

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