Cheap flights from Missouri to the United States from $39

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 12/22. 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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Frontier Logo
5:46 pm - 6:49 pmMCI-DEN
2h 03mnonstop
Frontier Logo
5:10 pm - 7:51 pmDEN-MCI
1h 41mnonstop
$79Frontier
Find Deal
Wed, Feb 18 - Sat, Feb 21
Frontier Logo
5:46 pm - 6:49 pmMCI-DEN
2h 03mnonstop
Frontier Logo
5:10 pm - 7:51 pmDEN-MCI
1h 41mnonstop
$82Frontier
Find Deal
Wed, Feb 18 - Sat, Feb 21
Frontier Logo
8:09 pm - 9:13 pmMCI-DEN
2h 04mnonstop
Frontier Logo
5:09 pm - 7:50 pmDEN-MCI
1h 41mnonstop
$83Frontier
Find Deal
Thu, Dec 11 - Sun, Dec 14
Multiple Airlines Logo
8:09 pm - 9:13 pmMCI-DEN
2h 04mnonstop
Multiple Airlines Logo
6:30 am - 8:44 pmDEN-MCI
13h 14m1 stop
$132Multiple Airlines
Find Deal
Thu, Dec 4 - Tue, Dec 9
Multiple Airlines Logo
12:58 pm - 2:03 pmMCI-LAS
3h 05mnonstop
Multiple Airlines Logo
12:59 am - 7:50 pmLAS-MCI
16h 51m1 stop
$135Multiple Airlines
Find Deal
Wed, Dec 3 - Sat, Dec 6
Spirit Airlines Logo
6:30 am - 7:39 amMCI-LAS
3h 09mnonstop
Spirit Airlines Logo
10:09 am - 2:52 pmLAS-MCI
2h 43mnonstop
$143Spirit Airlines
Find Deal
Mon, Dec 15 - Sun, Dec 21
Spirit Airlines Logo
1:23 pm - 2:28 pmMCI-LAS
3h 05mnonstop
Spirit Airlines Logo
3:23 pm - 8:03 pmLAS-MCI
2h 40mnonstop
$146Spirit Airlines
Find Deal
Tue, Nov 18 - Sat, Nov 22
Southwest Logo
5:50 pm - 9:10 pmSTL-MCO
2h 20mnonstop
Southwest Logo
8:15 am - 1:35 pmMCO-STL
6h 20m1 stop
$172Southwest
Find Deal
Sat, Jan 17 - Sun, Jan 18
American Airlines Logo
1:35 pm - 9:52 pmSTL-MCO
7h 17m1 stop
American Airlines Logo
2:26 pm - 8:32 pmMCO-STL
7h 06m1 stop
$187American Airlines
Find Deal
Fri, Jan 30 - Fri, Feb 6
American Airlines Logo
6:00 am - 5:57 pmSTL-LGA
10h 57m1 stop
American Airlines Logo
12:00 pm - 4:16 pmLGA-STL
5h 16m1 stop
$242American Airlines
Find Deal
Thu, Nov 27 - Tue, Dec 2

American Airlines flights from Missouri to United States

Our best American Airlines deals on Missouri to United States flight tickets
American Airlines
Jan 30
STL1:35 pmLambert-St Louis
7h 17m
1 stop
MCO9:52 pmOrlando
Feb 6
MCO2:26 pmOrlando
7h 06m
1 stop
STL8:32 pmLambert-St Louis
American Airlines
Nov 12
MCI9:45 amKansas City
5h 10m
1 stop
DEN1:55 pmDenver Intl
Nov 19
DEN7:22 amDenver Intl
6h 55m
1 stop
MCI3:17 pmKansas City
American Airlines
Nov 27
STL6:00 amLambert-St Louis
7h 59m
1 stop
JFK2:59 pmNew York John F Kennedy Intl
Dec 2
JFK9:00 amNew York John F Kennedy Intl
7h 12m
1 stop
STL3:12 pmLambert-St Louis

Spirit Airlines flights from Missouri to United States

Our best Spirit Airlines deals on Missouri to United States flight tickets
Spirit Airlines
Dec 15
MCI6:30 amKansas City
3h 09m
LAS7:39 amLas Vegas Harry Reid Intl
Dec 21
LAS10:09 amLas Vegas Harry Reid Intl
2h 43m
MCI2:52 pmKansas City
Spirit Airlines
Nov 18
MCI1:23 pmKansas City
3h 05m
LAS2:28 pmLas Vegas Harry Reid Intl
Nov 22
LAS3:23 pmLas Vegas Harry Reid Intl
2h 40m
MCI8:03 pmKansas City
Spirit Airlines
Jan 25
MCI10:31 pmKansas City
3h 13m
LAS11:44 pmLas Vegas Harry Reid Intl
Jan 29
LAS12:15 amLas Vegas Harry Reid Intl
8h 53m
1 stop
MCI11:08 amKansas City

momondo Fare Finder

 
Customize your flight search to find flights from Missouri to United States 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, momondo users made 832,500 searches. Data last updated November 1, 2025.
Use the filters below to find and compare flights from Missouri to the United States that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Kansas CityDenver

MCI - DEN

MCIDEN

Kansas City

Wed 2/18

5:46 pm-6:49 pm

Nonstop2h 03m

Denver Intl

Sat 2/21

5:10 pm-7:51 pm

Nonstop1h 41m

$79

Kansas CityDenver

MCI - DEN

MCIDEN

Kansas City

Wed 2/18

5:46 pm-6:49 pm

Nonstop2h 03m

Denver Intl

Sat 2/21

5:10 pm-7:51 pm

Nonstop1h 41m

$82

Kansas CityDenver

MCI - DEN

MCIDEN

Kansas City

Thu 12/11

8:09 pm-9:13 pm

Nonstop2h 04m

Denver Intl

Sun 12/14

5:09 pm-7:50 pm

Nonstop1h 41m

$83

Kansas CityDenver

MCI - DEN

MCIDEN

Kansas City

Thu 12/4

8:09 pm-9:13 pm

Nonstop2h 04m

Denver Intl

Tue 12/9

6:30 am-8:44 pm

1 stop13h 14m

$132

Kansas CityLas Vegas

MCI - LAS

MCILAS

Kansas City

Wed 12/3

12:58 pm-2:03 pm

Nonstop3h 05m

Las Vegas Harry Reid Intl

Sat 12/6

12:59 am-7:50 pm

1 stop16h 51m

$135

Kansas CityLas Vegas

MCI - LAS

MCILAS

Kansas City

Mon 12/15

6:30 am-7:39 am

Nonstop3h 09m

Las Vegas Harry Reid Intl

Sun 12/21

10:09 am-2:52 pm

Nonstop2h 43m

$143

Kansas CityLas Vegas

MCI - LAS

MCILAS

Kansas City

Tue 11/18

1:23 pm-2:28 pm

Nonstop3h 05m

Las Vegas Harry Reid Intl

Sat 11/22

3:23 pm-8:03 pm

Nonstop2h 40m

$146

St. LouisOrlando

STL - MCO

STLMCO

Lambert-St Louis

Sat 1/17

5:50 pm-9:10 pm

Nonstop2h 20m

Orlando

Sun 1/18

8:15 am-1:35 pm

1 stop6h 20m

$172

St. LouisOrlando

STL - MCO

STLMCO

Lambert-St Louis

Fri 1/30

1:35 pm-9:52 pm

1 stop7h 17m

Orlando

Fri 2/6

2:26 pm-8:32 pm

1 stop7h 06m

$187

St. LouisNew York

STL - LGA

STLLGA

Lambert-St Louis

Thu 11/27

6:00 am-5:57 pm

1 stop10h 57m

New York LaGuardia

Tue 12/2

12:00 pm-4:16 pm

1 stop5h 16m

$242

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to the United States from

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

What is the cheapest month to fly to United States?

In general, April 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 $263. If you aren’t able to travel during the month of April, then book flights to United States from Missouri during September instead. Flights to United States in September, while not as cheap as those in April, still average around $281.

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 $337. 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 $413. 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 at noon when flights can be purchased for as low as $310. Try not to purchase tickets in the afternoon because they tend to be around $399. 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 Kansas City to Denver Intl 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 $330 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 $224 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

$62

Fastest flight time

1h 50m

Direct flights

Every day

Airports in United States

1 airport
The best one-way flight to United States from Missouri in the past 72 hours is $62. The best round-trip flight deal from Missouri to United States found on momondo in the last 72 hours is $105.
The fastest flight from Missouri to United States takes 1h 50m
Direct flights go from Missouri to United States every day.
There is 1 airport near United States: Denver Intl (DEN)
  • 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?

  • 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?

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
FrontierPriceFrom $47Free CancellationRating
5.8
3,124 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $73Free CancellationRating
6.3
8,120 reviews
Search Spirit Airlines flights
Allegiant AirPriceFrom $104Free CancellationRating
7.2
694 reviews
Search Allegiant Air flights
DeltaPriceFrom $108Free CancellationRating
7.9
7,996 reviews
Search Delta flights
United AirlinesPriceFrom $126Free CancellationRating
7.4
8,995 reviews
Search United Airlines flights
SouthwestPriceFrom $144Free CancellationRating
8.0
4,245 reviews
Search Southwest flights
American AirlinesPriceFrom $157Free CancellationRating
7.2
11,031 reviews
Search American Airlines flights
Alaska AirlinesPriceFrom $256Free CancellationRating
8.0
11,223 reviews
Search Alaska 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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1 adult
Mon 12/1
Mon 12/8

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