What is the cheapest airline that flies from Lambert-St Louis to Worldwide?

Frontier, Southwest, and Delta are the most popular carriers operating from Lambert-St Louis to Worldwide

What airlines fly to Worldwide?

American Airlines, Southwest and United Airlines are the top three most popular airlines that fly to Worldwide from St. Louis according to our data. American Airlines is the first choice among our users, with 33% of people opting to fly with this airline when traveling to Worldwide. Keep in mind that there are 43 different airlines that fly to Worldwide on a routine basis, so you have a few additional options to choose from.

How many flights depart from St. Louis to Worldwide on average per week?

As of April 2026, 575 flights take off from St. Louis and land in Worldwide each week. The most common flight departure day for this route is Thu, with 18% of weekly flights taking off on this day.

When did momondo last update prices for flights from Lambert-St Louis Airport to Worldwide?

Prices for flights from Lambert-St Louis Airport to Worldwide were last updated today.

How many operators does momondo search for flights from Lambert-St Louis Airport to Worldwide?

As of April 2026, there are 11 operators available to choose from for flights from Lambert-St Louis Airport to Worldwide.

How old do you have to be to fly from Lambert-St Louis Airport to Worldwide?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Lambert-St Louis Airport to Worldwide.

What documentation or ID do you need to fly to Worldwide?

The necessary travel and health documents for your Worldwide trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$35 Cheap Flights from St. Louis to Worldwide in 2026

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Find the cheapest flights from St. Louis to Worldwide

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:08 pm - 9:41 pm

STL

DEN

2h 33mnonstop

4:15 pm - 7:23 pm

DEN

STL

2h 08mnonstop

$97Frontier

Sat, May 9 - Mon, May 18

8:08 pm - 9:41 pm

STL

DEN

2h 33mnonstop

4:15 pm - 7:23 pm

DEN

STL

2h 08mnonstop

$98Frontier

Tue, May 26 - Wed, May 27

7:23 pm - 1:13 am

STL

SEA

7h 50m

1 stop

8:45 am - 6:17 pm

SEA

STL

7h 32m

1 stop

$229United Airlines

Sat, May 23 - Sat, May 30

6:30 pm - 11:55 pm

STL

SEA

7h 25m

1 stop

6:25 am - 5:50 pm

SEA

STL

9h 25m

1 stop

$234Southwest

Tue, May 12 - Tue, Aug 25

6:11 pm - 12:44 am

STL

SEA

8h 33m

1 stop

6:00 am - 5:21 pm

SEA

STL

9h 21m

1 stop

$236American Airlines

Fri, May 8 - Sat, May 16

6:59 pm - 12:01 am

STL

SEA

7h 02m

1 stop

5:45 am - 1:21 pm

SEA

STL

5h 36m

1 stop

$237Delta

Tue, Aug 25 - Thu, Sep 3

1:59 pm - 10:34 pm

STL

SEA

10h 35m

1 stop

11:59 pm - 8:42 am

SEA

STL

6h 43m

1 stop

$238Delta

Wed, Jun 10 - Tue, Jun 16

4:48 pm - 11:10 pm

STL

SEA

8h 22m

1 stop

7:00 am - 3:46 pm

SEA

STL

6h 46m

1 stop

$239United Airlines

Sun, May 24 - Thu, May 28

1:45 pm - 12:05 am

STL

SEA

12h 20m

1 stop

11:45 pm - 9:30 am

SEA

STL

7h 45m

1 stop

$240Southwest

Thu, May 14 - Tue, May 19

7:20 pm - 11:59 pm

STL

HOU

4h 39m

1 stop

6:39 pm - 11:58 pm

HOU

STL

5h 19m

1 stop

$301American Airlines

Sat, May 23 - Sat, May 30

Frontier flights from St. Louis to Worldwide

Our best Frontier deals on St. Louis to Worldwide flight tickets

Frontier

May 9

STL8:08 pmLambert-St Louis

2h 33m

DEN9:41 pmDenver Intl

May 18

DEN4:15 pmDenver Intl

2h 08m

STL7:23 pmLambert-St Louis

$97

Frontier

May 26

STL8:08 pmLambert-St Louis

2h 33m

DEN9:41 pmDenver Intl

May 27

DEN4:15 pmDenver Intl

2h 08m

STL7:23 pmLambert-St Louis

$98

Frontier

May 26

STL6:51 pmLambert-St Louis

15h 47m

1 stop

DEN9:38 amDenver Intl

May 27

DEN4:15 pmDenver Intl

2h 08m

STL7:23 pmLambert-St Louis

$103

American Airlines flights from St. Louis to Worldwide

Our best American Airlines deals on St. Louis to Worldwide flight tickets

American Airlines

May 23

STL7:20 pmLambert-St Louis

1h 59m

DFW9:19 pmDallas/Fort Worth

May 27

DFW7:00 amDallas/Fort Worth

1h 51m

STL8:51 amLambert-St Louis

$198

American Airlines

May 20

STL5:20 amLambert-St Louis

2h 02m

DFW7:22 amDallas/Fort Worth

May 27

DFW7:00 amDallas/Fort Worth

1h 51m

STL8:51 amLambert-St Louis

$199

American Airlines

May 28

STL5:25 amLambert-St Louis

2h 00m

DFW7:25 amDallas/Fort Worth

Jun 1

DFW10:10 pmDallas/Fort Worth

1h 48m

STL11:58 pmLambert-St Louis

$225

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

St. LouisDenver

STL - DEN

STLDEN

Lambert-St Louis

Sat 5/9

8:08 pm-9:41 pm

Nonstop2h 33m

Denver Intl

Mon 5/18

4:15 pm-7:23 pm

Nonstop2h 08m

$97

St. LouisDenver

STL - DEN

STLDEN

Lambert-St Louis

Tue 5/26

8:08 pm-9:41 pm

Nonstop2h 33m

Denver Intl

Wed 5/27

4:15 pm-7:23 pm

Nonstop2h 08m

$98

St. LouisSeattle

STL - SEA

STLSEA

Lambert-St Louis

Sat 5/23

7:23 pm-1:13 am

1 stop7h 50m

Seattle/Tacoma Intl

Sat 5/30

8:45 am-6:17 pm

1 stop7h 32m

$229

St. LouisSeattle

STL - SEA

STLSEA

Lambert-St Louis

Tue 5/12

6:30 pm-11:55 pm

1 stop7h 25m

Seattle/Tacoma Intl

Tue 8/25

6:25 am-5:50 pm

1 stop9h 25m

$234

St. LouisSeattle

STL - SEA

STLSEA

Lambert-St Louis

Fri 5/8

6:11 pm-12:44 am

1 stop8h 33m

Seattle/Tacoma Intl

Sat 5/16

6:00 am-5:21 pm

1 stop9h 21m

$236

St. LouisSeattle

STL - SEA

STLSEA

Lambert-St Louis

Tue 8/25

6:59 pm-12:01 am

1 stop7h 02m

Seattle/Tacoma Intl

Thu 9/3

5:45 am-1:21 pm

1 stop5h 36m

$237

St. LouisSeattle

STL - SEA

STLSEA

Lambert-St Louis

Wed 6/10

1:59 pm-10:34 pm

1 stop10h 35m

Seattle/Tacoma Intl

Tue 6/16

11:59 pm-8:42 am

1 stop6h 43m

$238

St. LouisSeattle

STL - SEA

STLSEA

Lambert-St Louis

Sun 5/24

4:48 pm-11:10 pm

1 stop8h 22m

Seattle/Tacoma Intl

Thu 5/28

7:00 am-3:46 pm

1 stop6h 46m

$239

St. LouisSeattle

STL - SEA

STLSEA

Lambert-St Louis

Thu 5/14

1:45 pm-12:05 am

1 stop12h 20m

Seattle/Tacoma Intl

Tue 5/19

11:45 pm-9:30 am

1 stop7h 45m

$240

St. LouisHouston

STL - HOU

STLHOU

Lambert-St Louis

Sat 5/23

7:20 pm-11:59 pm

1 stop4h 39m

Houston Hobby

Sat 5/30

6:39 pm-11:58 pm

1 stop5h 19m

$301

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from St. Louis to Worldwide

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest Lambert-St Louis to Worldwide flight route?

Fly from Lambert-St Louis to Orlando for the best Lambert-St Louis - Worldwide flight prices

What cabin class options are available on St. Louis to Worldwide flights?

There are 4 cabin classes available to choose from on St. Louis to Worldwide flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on St. Louis to Worldwide flights?

No. A direct flight is the cheapest option for a flight between St. Louis to Worldwide.

Cheap St. Louis to Worldwide flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Worldwide

Best Price Found	$85
Fastest flight time	1h 05m
Direct flights	Every day
Airports in Worldwide	12,872 airports

The best one-way flight to Worldwide from St. Louis in the past 72 hours is $85. The best round-trip flight deal from St. Louis to Worldwide found on momondo in the last 72 hours is $154.

The fastest flight from St. Louis to Worldwide takes 1h 05m

Direct flights go from St. Louis to Worldwide every day.

There are 12,872 airports in Worldwide. From St. Louis there are direct flights to Dallas/Fort Worth (DFW).

Search flight deals

Frequently asked questions about flying from St. Louis to Worldwide

When did momondo last update prices for flights from Lambert-St Louis Airport to Worldwide?
Prices for flights from Lambert-St Louis Airport to Worldwide were last updated today.
How many operators does momondo search for flights from Lambert-St Louis Airport to Worldwide?
As of April 2026, there are 11 operators available to choose from for flights from Lambert-St Louis Airport to Worldwide.
How old do you have to be to fly from Lambert-St Louis Airport to Worldwide?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Lambert-St Louis Airport to Worldwide.
What documentation or ID do you need to fly to Worldwide?
The necessary travel and health documents for your Worldwide trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from St. Louis to Worldwide?
Based on momondo bookings for flights between St. Louis and Worldwide, the leading plane model is Boeing 737 MAX 8, making up 26.11% of the total bookings. Other popular models include Boeing 737-800 Passenger/BBJ2 (winglets) with 19.29%, Embraer 175 with 6.87%, and Airbus A319 with 6.07%.

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Worldwide?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Worldwide from St. Louis.

Can I find flights from St. Louis to Worldwide with flexible booking policies on momondo?

All flight searches from St. Louis to Worldwide on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from St. Louis to Worldwide?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Worldwide from St. Louis.

I’m not ready to book a flight from St. Louis to Worldwide right now. Can momondo alert me if prices change?

Yes. momondo can track prices for St. Louis to Worldwide flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.