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St. Louis

$43+ Cheap flights from St. Louis

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 4/11. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SEA
Mar 17 — Mar 241
Mon 3/17
Mon 3/24
1 adult, Economy
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What to know about flights from St. Louis

Discover essential information about flights departing from St. Louis, including flight schedules, destinations, airlines operating at the St. Louis airport, and any specific guidelines or requirements for travelers. Please note that the information is based on the most recent updates available. Data last updated March 12, 2025.

Cheapest one-way flight

$40

Cheapest round-trip flight

$65

Cheapest airline

Delta

Most popular destination

Denver Intl (DEN)

Good round-trip deal

$62 or less

Good one-way deal

$39 or less
The cheapest one-way flight from Lambert-St Louis is currently to Fort Lauderdale.
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The cheapest round-trip flight from Lambert-St Louis is currently to Denver Intl.
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On average, Delta currently has the cheapest one-way flight from Lambert-St Louis (avg. price of $243).
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Denver Intl (DEN) is currently the most popular flight destination from Lambert-St Louis (average round-trip price of $232).
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Price to beat on a round-trip flight from Lambert-St Louis.
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Price to beat on a one-way flight from Lambert-St Louis.
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Find flights from St. Louis

Cheapest flights from St. Louis
Explore the most affordable flight options available from St. Louis. Find the lowest fares based on data from user searches, with prices last updated on March 12, 2025.

Wed 4/26:51 pmSTL - DEN
Nonstop2h 31mFrontier
Wed 4/166:00 amDEN - STL
Nonstop2h 06mFrontier
Deal found 3/11$58
Thu 4/34:57 pmSTL - MCO
Nonstop2h 30mFrontier
Mon 4/710:00 pmMCO - STL
Nonstop2h 46mFrontier
Deal found 3/12$100
Tue 3/256:47 pmSTL - MCO
1 stop11h 22mMultiple Airlines
Thu 4/310:00 pmMCO - STL
Nonstop2h 46mMultiple Airlines
Deal found 3/11$109
Tue 5/272:25 pmSTL - LAS
Nonstop3h 44mFrontier
Mon 6/28:20 amLAS - STL
Nonstop3h 22mFrontier
Deal found 3/11$125
Sat 5/1010:10 amSTL - MCO
1 stop9h 27mSpirit Airlines
Wed 5/148:27 amMCO - STL
1 stop25h 48mSpirit Airlines
Deal found 3/11$129
Tue 4/16:47 pmSTL - EWR
1 stop14h 28mSpirit Airlines
Wed 4/22:29 pmEWR - STL
1 stop28h 23mSpirit Airlines
Deal found 3/12$136
Sun 4/136:10 pmSTL - LAS
1 stop8h 49mMultiple Airlines
Sat 4/1912:22 pmLAS - STL
Nonstop3h 21mMultiple Airlines
Deal found 3/11$154
Tue 4/87:25 amSTL - EWR
Nonstop2h 38mUnited Airlines
Tue 4/88:52 pmEWR - STL
Nonstop3h 15mUnited Airlines
Deal found 3/12$177
Thu 4/36:10 amSTL - LGA
Nonstop2h 22mDelta
Mon 4/79:59 amLGA - STL
Nonstop2h 57mDelta
Deal found 3/11$178
Thu 5/89:55 pmSTL - JFK
1 stop30h 35mFrontier
Sun 5/116:59 amJFK - STL
1 stop18h 07mFrontier
Deal found 3/11$179
Mon 3/245:24 pmSTL - LGA
1 stop15h 36mFrontier
Thu 3/275:59 pmLGA - STL
1 stop6h 50mFrontier
Deal found 3/10$180
Thu 5/810:10 amSTL - LGA
1 stop12h 14mMultiple Airlines
Sun 5/1110:00 pmLGA - STL
1 stop27h 06mMultiple Airlines
Deal found 3/11$181

Find flights from St. Louis within your budget

Find flights departing from St. Louis that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on March 12, 2025. In the last 7 days, Cheapflights users made a total of 2,558,603 searches

Fly to

Seattle

Route

Depart

Return

Price

St. LouisDenver

STL - DEN

STLDEN

Lambert-St Louis

Wed 4/2

6:51 pm-8:22 pm

Nonstop2h 31m

Denver Intl

Wed 4/16

6:00 am-9:06 am

Nonstop2h 06m

$58

St. LouisOrlando

STL - MCO

STLMCO

Lambert-St Louis

Thu 4/3

4:57 pm-8:27 pm

Nonstop2h 30m

Orlando

Mon 4/7

10:00 pm-11:46 pm

Nonstop2h 46m

$100

St. LouisOrlando

STL - MCO

STLMCO

Lambert-St Louis

Tue 3/25

6:47 pm-7:09 am

1 stop11h 22m

Orlando

Thu 4/3

10:00 pm-11:46 pm

Nonstop2h 46m

$109

St. LouisLas Vegas

STL - LAS

STLLAS

Lambert-St Louis

Tue 5/27

2:25 pm-4:09 pm

Nonstop3h 44m

Las Vegas Harry Reid Intl

Mon 6/2

8:20 am-1:42 pm

Nonstop3h 22m

$125

St. LouisOrlando

STL - MCO

STLMCO

Lambert-St Louis

Sat 5/10

10:10 am-8:37 pm

1 stop9h 27m

Orlando

Wed 5/14

8:27 am-9:15 am

1 stop25h 48m

$129

St. LouisNewark

STL - EWR

STLEWR

Lambert-St Louis

Tue 3/25

6:47 pm-12:49 am

1 stop29h 02m

Newark

Tue 4/1

12:10 pm-5:52 pm

1 stop6h 42m

$148

St. LouisLas Vegas

STL - LAS

STLLAS

Lambert-St Louis

Sun 4/13

6:10 pm-12:59 am

1 stop8h 49m

Las Vegas Harry Reid Intl

Sat 4/19

12:22 pm-5:43 pm

Nonstop3h 21m

$154

St. LouisNewark

STL - EWR

STLEWR

Lambert-St Louis

Tue 4/8

4:44 pm-8:11 pm

Nonstop2h 27m

Newark

Wed 4/9

9:00 pm-11:15 pm

Nonstop3h 15m

$177

St. LouisNew York

STL - LGA

STLLGA

Lambert-St Louis

Thu 4/3

6:10 am-9:32 am

Nonstop2h 22m

New York LaGuardia

Mon 4/7

9:59 am-11:56 am

Nonstop2h 57m

$178

St. LouisNew York

STL - LGA

STLLGA

Lambert-St Louis

Thu 3/27

5:24 pm-10:00 am

1 stop15h 36m

New York LaGuardia

Sun 3/30

10:00 pm-11:49 pm

1 stop26h 49m

$179

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/12

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Compare providers for flights from St. Louis

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis in March
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
CheapfaremartPrice Accuracy-Trust Score*3 stars
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: Among all the travel providers offering deals on flights from St. Louis, FlightHub has been found to have the most accurate pricing. Users can find the same prices on deals on Cheapflights as FlightHub about >95% of the time. This is based on searches for flights from St. Louis made on Cheapflights over the past month and is updated monthly.
  • Most trusted provider: In terms of trustworthiness, Cheapflights users rate FlightHub the highest out of those offering flight deals from St. Louis. FlightHub has a user feedback rating of 3 out of 3 stars (3 being the best) and has received the most positive sentiment from Cheapflights users searching for flights from St. Louis. This info is gathered from Cheapflights searches over the past month.

Best time to book a flight from St. Louis

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

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

When is the best time to book a flight from St. Louis?

Use this chart to determine the optimal time to book a round-trip flight from St. Louis to Seattle. Price data was last updated on March 7, 2025.

To ensure you get the cheapest price possible for a flight from St. Louis, you should look to book at least 55 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, August is the cheapest month in which you can book a flight from St. Louis (average of $175). Flying from St. Louis in June will prove the most costly (average of $256). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

When is the cheapest time to fly from St. Louis?

Use this chart to determine the cheapest time to fly round-trip from St. Louis to Seattle. Price data was last updated on March 9, 2025.

Those who are seeking the cheapest fare on flights departing from St. Louis would be wise to consider leaving during Thursday afternoons when prices are typically at their lowest. When considering other options, price-conscious travelers should avoid Sunday at noon when fares are usually the most expensive.

Which airlines fly from St. Louis?

For flights departing from St. Louis check dates and pricing for the following: Alaska Airlines, American Airlines, Delta, Frontier, United Airlines. These airlines depart to the following popular destinations: Seattle.

American Airlines

American Airlines

From $110

Delta

Delta

From $128

United Airlines

United Airlines

From $116

Frontier

Frontier

From $45

What are popular destinations to fly to from St. Louis?

Some of the most frequent flights departing from St. Louis everyday are: Chicago (735 flights per day), Detroit (228 flights per day), and New York (212 flights per day).

Chicago

Chicago

From $73

Atlanta Hartsfield-Jackson

Atlanta Hartsfield-Jackson

From $137

Denver Intl

Denver Intl

From $58

Dallas/Fort Worth

Dallas/Fort Worth

From $88

What is the cheapest place to fly to from St. Louis?

The cheapest city to fly to from St. Louis is Burlington, with prices starting at $28. Explore other affordable destinations below.

Burlington

Burlington

From $28

Quincy Regional

Quincy Regional

From $33

Fort Lauderdale

Fort Lauderdale

From $40

Orlando

Orlando

From $45

Airline reviews for flights from St. Louis

Read reviews and ratings of airlines operating flights from St. Louis. Gain insights into the quality of service, in-flight amenities, customer experiences, and overall satisfaction to choose the best airline for your St. Louis travel. Please note that the reviews are sourced from user searches and were last updated on March 12, 2025. In the last 7 days, Cheapflights users made a total of 2,558,603 searches.
Southwest
8.1
Very good
4,296 reviews

Entertainment

7.6

Boarding

8.2

Food

7.1

Comfort

8.1

Crew

8.7

Overall

8.1

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Southwest
8.1
Very good
4,296 reviews
Southwest
8.1
Very good
4,296 reviews

Entertainment

7.6

Boarding

8.2

Food

7.1

Comfort

8.1

Crew

8.7

Overall

8.1

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Alaska Airlines
8.0
Very good
9,735 reviews
Southwest
8.1
Very good
4,296 reviews

Entertainment

7.6

Boarding

8.2

Food

7.1

Comfort

8.1

Crew

8.7

Overall

8.1

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Delta
8.0
Very good
7,953 reviews
Southwest
8.1
Very good
4,296 reviews

Entertainment

7.6

Boarding

8.2

Food

7.1

Comfort

8.1

Crew

8.7

Overall

8.1

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Hawaiian Airlines
7.9
Good
2,320 reviews
Southwest
8.1
Very good
4,296 reviews

Entertainment

7.6

Boarding

8.2

Food

7.1

Comfort

8.1

Crew

8.7

Overall

8.1

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

United Airlines
7.4
Good
8,623 reviews
Southwest
8.1
Very good
4,296 reviews

Entertainment

7.6

Boarding

8.2

Food

7.1

Comfort

8.1

Crew

8.7

Overall

8.1

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Browse thousands of different options on Cheapflights for your next trip

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Popular international destinations from St. Louis

The most popular international flight routes departing from St. Louis we’ve come across at this time.
Flights from St. Louis to Cancún
Flights from St. Louis to Punta Cana
Flights from St. Louis to Hyderabad

Related info for your journey

Access useful and relevant information related to your journey from St. Louis. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated March 12, 2025.

  • What are the most popular destinations to fly to from St. Louis?

    This month, the top selected destinations from St. Louis are Cancún, Atlanta, Boston. Throughout the year, Cancún, Boston, Atlanta are some of the top choices made by users flying from St. Louis.

  • What is the cheapest flight from St. Louis to anywhere?

    Users have flown out of St. Louis for as low as $28 to Burlington, Iowa (prices may vary depending on the airline and departure time). On average, users have booked flights for $819 to fly from St. Louis.

  • What are the cheapest airlines flying from St. Louis to anywhere?

    Over the past few days, we've found that Frontier, Southern / Mokulele, and Spirit Airlines have the cheapest prices from St. Louis. Frontier flights from St. Louis to Atlanta Hartsfield-Jackson ($45), Southern / Mokulele flights from St. Louis to Atlanta Hartsfield-Jackson ($51), and Spirit Airlines flights from St. Louis to Atlanta Hartsfield-Jackson ($52).

  • What is the cheapest premium economy flight from St. Louis?

    Options for some of the cheapest premium economy flights from St. Louis we have found on Cheapflights are as follows:
    Fly from Lambert-St Louis to Orlando Airport starting at $176
    Fly from Lambert-St Louis to New York LaGuardia Airport starting at $381
    Fly from Lambert-St Louis to Denver starting at $654
    Fly from Lambert-St Louis to Seattle starting at $867

  • What is the cheapest first class flight from St. Louis?

    If you’re looking for a cheap first-class flight from St. Louis, consider Las Vegas. Prices start at $123 so you can fly first-class even on a budget.

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

    August is currently the cheapest month to fly from St. Louis. At this moment in time June is the most expensive month. These prices are determined by multiple factors and booking in advance can help keep costs down if your schedule is not as flexible.

  • Where are the cheapest places to fly to from St. Louis?

    Check out the cheapest flights from St. Louis to embark to:
    Fly from St. Louis to Fort Lauderdale from $68 round trip
    Fly from St. Louis to Orlando from $78 round trip
    Fly from St. Louis to Chicago from $79 round trip
    Fly from St. Louis to Charlotte from $120 round trip
    Fly from St. Louis to Denver from $135 round trip

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