What airlines fly to United States?

American Airlines, Southwest and Frontier are the top three most popular airlines that fly to United States from Missouri according to our data. American Airlines is the first choice among our users, with 31% of people opting to fly with this airline when traveling to United States. Keep in mind that there are 11 different airlines that fly to United States on a routine basis, so you have a few additional options to choose from.

How long is the flight from Missouri to United States?

Flight times vary depending on what airport in Missouri you fly out of and what airport in United States you fly into. For example, flying from Kansas City to Los Angeles takes 3h 25m on average. On the other hand, flying from St. Louis to Los Angeles takes 3h 48m on average. Keep in mind that it’s always quicker to opt for a non-stop flight, so be sure to check momondo if there are any available for your route.

What is the cheapest airline that flies from Missouri to United States?

Frontier, Southwest, and American Airlines are the most popular carriers operating from Missouri to United States

How many flights depart from Missouri to United States on average per week?

The number of flights available between Missouri and United States is 552 per week as of March 2026. The most frequent departure day is Sun, with 21% of weekly flights leaving on this day.

How many flights depart from Missouri to United States on average per day?

As of March 2026, 78 flights take off from Missouri and land in United States each day. The most common flight departure time for this route is 6:00AM, with 49% of daily flights taking off at noon.

When did momondo last update prices for flights from Missouri to United States?

Prices for flights from Missouri to United States refresh daily.

How many operators does momondo search for flights from Missouri to United States?

There are 9 operators available for flights from Missouri to United States as of March 2026.

How old do you have to be to fly from Missouri to United States?

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 Missouri to United States.

What documentation or ID do you need to fly to United States?

The necessary travel and health documents for your United States 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.

$56 Cheap Flights from Missouri to the United States in 2026

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Find the cheapest flights from Missouri to the United States

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

$81Frontier

Sat, May 9 - Sat, May 16

8:08 pm - 9:41 pm

STL

DEN

2h 33mnonstop

4:15 pm - 7:23 pm

DEN

STL

2h 08mnonstop

$82Frontier

Sat, May 9 - Mon, May 11

8:17 pm - 9:50 pm

STL

DEN

2h 33mnonstop

4:20 pm - 7:32 pm

DEN

STL

2h 12mnonstop

$83Frontier

Sat, Apr 25 - Sat, May 2

3:37 pm - 4:38 pm

MCI

LAS

3h 01mnonstop

12:29 am - 1:49 pm

LAS

MCI

11h 20m

1 stop

$158Multiple Airlines

Sun, May 10 - Tue, May 12

6:18 pm - 10:04 pm

MCI

MCO

2h 46mnonstop

7:56 am - 5:24 pm

MCO

MCI

10h 28m

1 stop

$169Multiple Airlines

Wed, Jun 3 - Wed, Jun 10

5:45 am - 9:28 am

MCI

MCO

2h 43mnonstop

3:06 pm - 5:06 pm

MCO

MCI

3h 00mnonstop

$177Spirit Airlines

Tue, Apr 14 - Wed, Apr 15

1:45 pm - 12:10 am

STL

SEA

12h 25m

1 stop

5:45 am - 6:10 pm

SEA

STL

10h 25m

2 stops

$195Southwest

Wed, Apr 15 - Sat, Apr 18

7:20 pm - 12:40 am

STL

SEA

7h 20m

1 stop

6:00 am - 3:05 pm

SEA

STL

7h 05m

1 stop

$199Southwest

Fri, May 1 - Tue, May 5

2:20 pm - 6:30 pm

STL

SEA

6h 10m

1 stop

11:14 pm - 9:48 am

SEA

STL

8h 34m

1 stop

$203Delta

Tue, Apr 21 - Fri, May 1

5:35 pm - 11:54 pm

STL

SEA

8h 19m

1 stop

4:36 pm - 12:25 am

SEA

STL

5h 49m

1 stop

$213Delta

Fri, Apr 24 - Tue, Apr 28

Spirit Airlines flights from Missouri to United States

Our best Spirit Airlines deals on Missouri to United States flight tickets

Spirit Airlines

Apr 26

MCI3:37 pmKansas City

3h 01m

LAS4:38 pmLas Vegas Harry Reid Intl

May 1

LAS11:03 amLas Vegas Harry Reid Intl

2h 49m

MCI3:52 pmKansas City

$184

Spirit Airlines

Apr 22

MCI6:01 pmKansas City

2h 46m

MCO9:47 pmOrlando

Apr 25

MCO3:06 pmOrlando

3h 00m

MCI5:06 pmKansas City

$186

Spirit Airlines

Apr 26

MCI3:37 pmKansas City

3h 01m

LAS4:38 pmLas Vegas Harry Reid Intl

May 1

LAS11:03 amLas Vegas Harry Reid Intl

2h 49m

MCI3:52 pmKansas City

$192

Frontier flights from Missouri to United States

Our best Frontier deals on Missouri to United States flight tickets

Frontier

May 9

STL8:08 pmLambert-St Louis

2h 33m

DEN9:41 pmDenver Intl

May 16

DEN4:15 pmDenver Intl

2h 08m

STL7:23 pmLambert-St Louis

$81

Frontier

May 9

STL8:08 pmLambert-St Louis

2h 33m

DEN9:41 pmDenver Intl

May 11

DEN4:15 pmDenver Intl

2h 08m

STL7:23 pmLambert-St Louis

$82

Frontier

Apr 25

STL8:17 pmLambert-St Louis

2h 33m

DEN9:50 pmDenver Intl

May 2

DEN4:20 pmDenver Intl

2h 12m

STL7:32 pmLambert-St Louis

$83

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

Sat 5/16

4:15 pm-7:23 pm

Nonstop2h 08m

$81

St. LouisDenver

STL - DEN

STLDEN

Lambert-St Louis

Sat 5/9

8:08 pm-9:41 pm

Nonstop2h 33m

Denver Intl

Mon 5/11

4:15 pm-7:23 pm

Nonstop2h 08m

$82

St. LouisDenver

STL - DEN

STLDEN

Lambert-St Louis

Sat 4/25

8:17 pm-9:50 pm

Nonstop2h 33m

Denver Intl

Sat 5/2

4:20 pm-7:32 pm

Nonstop2h 12m

$83

Kansas CityLas Vegas

MCI - LAS

MCILAS

Kansas City

Sun 5/10

3:37 pm-4:38 pm

Nonstop3h 01m

Las Vegas Harry Reid Intl

Tue 5/12

12:29 am-1:49 pm

1 stop11h 20m

$158

Kansas CityOrlando

MCI - MCO

MCIMCO

Kansas City

Wed 6/3

6:18 pm-10:04 pm

Nonstop2h 46m

Orlando

Wed 6/10

7:56 am-5:24 pm

1 stop10h 28m

$169

Kansas CityOrlando

MCI - MCO

MCIMCO

Kansas City

Tue 4/14

5:45 am-9:28 am

Nonstop2h 43m

Orlando

Wed 4/15

3:06 pm-5:06 pm

Nonstop3h 00m

$177

St. LouisSeattle

STL - SEA

STLSEA

Lambert-St Louis

Wed 4/15

1:45 pm-12:10 am

1 stop12h 25m

Seattle/Tacoma Intl

Sat 4/18

5:45 am-6:10 pm

2 stops10h 25m

$195

St. LouisSeattle

STL - SEA

STLSEA

Lambert-St Louis

Fri 5/1

7:20 pm-12:40 am

1 stop7h 20m

Seattle/Tacoma Intl

Tue 5/5

6:00 am-3:05 pm

1 stop7h 05m

$199

St. LouisSeattle

STL - SEA

STLSEA

Lambert-St Louis

Tue 4/21

2:20 pm-6:30 pm

1 stop6h 10m

Seattle/Tacoma Intl

Fri 5/1

11:14 pm-9:48 am

1 stop8h 34m

$203

St. LouisSeattle

STL - SEA

STLSEA

Lambert-St Louis

Fri 4/24

5:35 pm-11:54 pm

1 stop8h 19m

Seattle/Tacoma Intl

Tue 4/28

4:36 pm-12:25 am

1 stop5h 49m

$213

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 Missouri to United States

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 month to fly to United States?

In general, August is the cheapest month to fly from Missouri to United States. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $284. If you aren’t able to travel during the month of August, then book flights to United States from Missouri during June instead. Flights to United States in June, while not as cheap as those in August, still average around $293.

What is the cheapest day to depart on your flight to United States?

According to our data, Wednesday is the cheapest day to fly to United States from Missouri. The lowest ticket price found for a Wednesday departure recently was $357. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $457. These prices are subject to change though, so be sure to set up a Price Alert for flights to United States.

What is the cheapest time of day to depart on your flight to United States?

The cheapest time of day to fly to United States is in the evening when flights can be purchased for as low as $335. Try not to purchase tickets in the afternoon because they tend to be around $423. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Missouri to United States flight route?

Fly from Fort Leonard Wood Waynesville Regional to Dallas/Fort Worth for the best Missouri - United States flight prices

How far in advance should I book a flight to United States?

You are more likely to see cheaper flights to United States from Missouri when booking weeks ahead of your departure date. In general, you can expect to find flights to United States for around $325 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to United States from Missouri for as low as $236 on momondo.

What cabin class options are available on Missouri to United States flights?

There are 4 cabin classes available to choose from on Missouri to United States 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 Missouri to United States flights?

No. A direct flight is the cheapest option for a flight between Missouri to United States.

Cheap Missouri to United States flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Missouri to United States

Best Price Found	$59
Fastest flight time	0h 55m
Direct flights	Mon, Tue, Wed, Fri, Sat and Sun
Airports in United States	4,297 airports

The best one-way flight to United States from Missouri in the past 72 hours is $59. The best round-trip flight deal from Missouri to United States found on momondo in the last 72 hours is $99.

The fastest flight from Missouri to United States takes 0h 55m

Direct flights go from Missouri to United States on Monday, Tuesday, Wednesday, Friday, Saturday and Sunday. Airlines offering direct flights are: United Airlines, Southwest and Delta.

There are 4,297 airports in United States. From Missouri there are direct flights to Denver Intl (DEN).

Search flight deals

When did momondo last update prices for flights from Missouri to United States?
Prices for flights from Missouri to United States refresh daily.
How many operators does momondo search for flights from Missouri to United States?
There are 9 operators available for flights from Missouri to United States as of March 2026.
How old do you have to be to fly from Missouri to United States?
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 Missouri to United States.
What documentation or ID do you need to fly to United States?
The necessary travel and health documents for your United States 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 Missouri to United States?
momondo data reveals that the most frequently booked plane model on the route from Missouri to United States is Boeing 737 MAX 8, representing 28.24% of all bookings. The subsequent popular models are Boeing 737-800 Passenger/BBJ2 (winglets) at 18.48%, Boeing 737-800 at 6.81%, and Embraer 175 at 6.00%.

Best airlines flying from Missouri to United States

Compare and see reviews for airlines that fly from Missouri to United States with momondo

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $59	Free Cancellation	Rating 5.7 3,013 reviews	Search Frontier flights
Spirit Airlines	PriceFrom $73	Free Cancellation	Rating 6.3 8,551 reviews	Search Spirit Airlines flights
Contour	PriceFrom $87	Free Cancellation	Rating 7.6 42 reviews	Search Contour flights
Delta	PriceFrom $94	Free Cancellation	Rating 7.9 8,357 reviews	Search Delta flights
Allegiant Air	PriceFrom $130	Free Cancellation	Rating 7.3 709 reviews	Search Allegiant Air flights
Southwest	PriceFrom $156	Free Cancellation	Rating 8.0 4,332 reviews	Search Southwest flights
Alaska Airlines	PriceFrom $157	Free Cancellation	Rating 7.9 12,134 reviews	Search Alaska Airlines flights
American Airlines	PriceFrom $168	Free Cancellation	Rating 7.1 11,517 reviews	Search American Airlines flights
Hawaiian Airlines	PriceFrom $169	Free Cancellation	Rating 7.8 2,837 reviews	Search Hawaiian Airlines flights
United Airlines	PriceFrom $178	Free Cancellation	Rating 7.4 9,507 reviews	Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Missouri to United States?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Missouri to United States. momondo saves you time and could save you money on your trip.

Can I find flights from Missouri to United States with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to United States from Missouri with this policy.

How can momondo help me find flights from Missouri to United States?

Once you have performed a search for Missouri to United States flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Missouri to United States right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Missouri to United States flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Popular cities in the United States

Flights to New Yorkfrom $58

Flights to Los Angelesfrom $53

Flights to Orlandofrom $49

Flights to Miamifrom $53

Flights to Chicagofrom $56

Flights to San Franciscofrom $55

Flights to Las Vegasfrom $35

Flights to Washington, D.C.from $51

Flights to Bostonfrom $76

Flights to Atlantafrom $49

Flights to Dallasfrom $56

Flights to Seattlefrom $80

Cheap flights from Missouri to the United States from $56

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Missouri to the United States departing on 5/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Filter for what you want

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Spirit Airlines flights from Missouri to United States

Our best Spirit Airlines deals on Missouri to United States flight tickets

Frontier flights from Missouri to United States

Our best Frontier deals on Missouri to United States flight tickets

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Use the filters below to find and compare flights from Missouri to the United States that are best for you.

See travel insights to the United States from

How to get the cheapest flight ticket from Missouri to United States

What is the cheapest month to fly to United States?

What is the cheapest day to depart on your flight to United States?

What is the cheapest time of day to depart on your flight to United States?

What is the cheapest Missouri to United States flight route?

How far in advance should I book a flight to United States?

What cabin class options are available on Missouri to United States flights?

Can stopping save me money on Missouri to United States flights?

What is the cheapest airline that flies from Missouri to United States?

What airlines fly to United States?

How many flights depart from Missouri to United States on average per day?

How many flights depart from Missouri to United States on average per week?

How long is the flight from Missouri to United States?

Cheap Missouri to United States flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Missouri to United States

Best Price Found

Fastest flight time

Direct flights

Airports in United States

Best airlines flying from Missouri to United States

Compare and see reviews for airlines that fly from Missouri to United States with momondo

Why use momondo?

An easier way to manage your United States trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Popular cities in the United States

Popular flights according to clicks in the last 7 days on momondo

Missouri flight routes

According to popular flight searches on momondo this year

United States flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to the United States

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to the United States

List of cabin classes available on flights landing in the United States. Availability may vary depending on flight origin and airline.

Complete your trip to the United States

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According to popular flight searches on momondo this year