$42 Find Cheap Flights from Missouri to the United States

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Low seasonJanuary
High seasonDecember
Cheapest flight$42
Best time to beat the crowds with an average 7% drop in price.
Most popular time to fly with an average 17% increase in price.
Flight from Kansas City to Los Angeles

Flights from Missouri to the United States: the best tips from KAYAK users

Insights shared by verified travelers who flew the route from Missouri to the United States 
JeffreyFlew with Alaska AirlinesSTL-SEAJun 2025
Don’t get to the airport too early. Security is fast and lines are typically short!
valerieFlew with Air CanadaSTL-ORDJan 2025
Usually it is unreliable - always leave lots of time for connection.
LauraFlew with Spirit AirlinesSTL-FLLSep 2024
If you have kids, and are in gate C, take advantage of the kids play area. terminal isn't too large and you can walk to the last gate in minutes.

FAQs for booking flights from Missouri to the United States

  • How does KAYAK find such low prices on flights from Missouri to the United States?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Missouri to the United States.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Missouri to the United States?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Missouri to the United States is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Missouri to the United States?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Missouri to the United States with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Missouri to the United States?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Missouri to the United States up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • Which is the cheapest airport to fly into in the United States?

    Prices will differ depending on the departure airport, but generally, the cheapest airport to fly to in the United States is Orlando Airport (MCO), with an average flight price of $152.

  • What is the cheapest day to fly to the United States?

    Based on KAYAK data, the cheapest day to fly to the United States is Thursday where round-trip tickets can be as cheap as $346. On the other hand, the most expensive day to fly is Sunday, where round-trip prices are $408 on average.

  • What is the cheapest time of day to fly to the United States?

    The cheapest time of day to fly to the United States is generally in the afternoon, when round-trip flights cost $307 on average. Morning departures are around 10% cheaper than evening flights, on average. The most expensive time of day to fly to the United States is generally in the evening, which is peak travel time and where the average cost of a ticket is $400.

  • What is the cheapest flight to the United States?

    The cheapest ticket to the United States from Missouri found in the last 72 hours was to Los Angeles, at $54 round-trip. The most popular route is Kansas City (MCI) to Atlanta (ATL) and the cheapest round-trip airline ticket found on this route in the last 72 hours was $124.

  • What is the cheapest month to fly from Missouri to the United States?

    The cheapest month for flights from Missouri to the United States is June, when tickets cost $409 (return) on average. On the other hand, the most expensive months are November and March, when the average cost of round-trip tickets is $668 and $601 respectively.

  • How far in advance should I book a flight from Missouri to the United States?

    To get a below average price on the flight from Missouri to the United States, you should book around 3 weeks before departure. For the absolute cheapest price, our data suggests you should book 9 weeks before departure.

  • How long is the flight to the United States?

    An average nonstop flight from Missouri to the United States takes 2h 58m, covering a distance of 1126 miles. The shortest route is Kansas City (MCI) to Dallas/Fort Worth Airport (DFW) with an average flight time of 1h 25m.

  • What are the most popular destinations in the United States?

    Based on KAYAK flight searches, the most popular destination is New York (14% of total searches to the United States). The next most popular destinations are Seattle (9%) and Las Vegas (8%). Searches for flights to Washington, D.C. (5%), to Denver (5%) and to Houston (4%) are also popular.

Reviews of the top airline flying from Missouri to the United States

 
Need help choosing which airline to fly with from Missouri to the United States? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.0
SouthwestOverall score based on 4244 reviews
8.6Crew
8.1Boarding
7.6Entertainment
8.0Comfort
7.0Food
Airline reviews

The Southwest employees (all two of them) were very nice and cheerful despite the fact the line to self-check a bag (simply drop it off) was hundreds of people long. Thank God I arrived early to the airport because I stood in this line for at least an hour. Once on the flight that had been delayed by an hour, we had no Wi-Fi and thus no entertainment. Finally, I hope the investor strong arm tactics against Southwest pay off in a short-term windfall to your C-Suite because the rest of you are screwed. I have been a faithful Southwest customer for 15 years due to everything you just got rid of. I'm flying to Idaho and Washington in October, both places I used to simply book with Southwest without a second thought now with Frontier (Washington) and United (Idaho) because they offer everything the "new" Southwest does but cheaper and at better times, destinations, etc. This really makes me sad...

4.0 OkayGreg, Jul 2025PDX - DEN
Read more Southwest reviews

The Southwest employees (all two of them) were very nice and cheerful despite the fact the line to self-check a bag (simply drop it off) was hundreds of people long. Thank God I arrived early to the airport because I stood in this line for at least an hour. Once on the flight that had been delayed by an hour, we had no Wi-Fi and thus no entertainment. Finally, I hope the investor strong arm tactics against Southwest pay off in a short-term windfall to your C-Suite because the rest of you are screwed. I have been a faithful Southwest customer for 15 years due to everything you just got rid of. I'm flying to Idaho and Washington in October, both places I used to simply book with Southwest without a second thought now with Frontier (Washington) and United (Idaho) because they offer everything the "new" Southwest does but cheaper and at better times, destinations, etc. This really makes me sad...

It was okay. The plane was delayed from earlier in the day, but they kept updating the departure time, sometimes later, sometimes earlier. That was stressful. Once we finally got on and took off, it was fine. I was supposed to have a connection in Chicago to Los Angeles, and the time for so late I was rebooked to arrive in LA 3 hours late. The departure time to Chicago later became early enough to have taken my original connection and arrive earlier but that wasn't an option.

It was one and half hour late... Not sure if any other experience matters.

Delayed flight. Nicest crew member was a SW pilot flying seated next to me who kindly move to seat the final passenger. Flight extra delayed. My cup of refreshment of ginger ale was so packed with ice it was literally 2 sips.

For my birthday trip this was my second time ever flying, this trip was the best.

after landing, we stay 2 hours on the taxi way before reaching the gate The airline and the crew were good though

No trays in our seats, we sat in first row, purchased a business class fare. Had to hold our drinks and snack in our hands. No plugs for our cell phones. Had to pay for it a drink cocktail each. Seats so uncomfortable.

Flight wasn’t even full, but too many carry-ons caused us to run out of bin space. New bag fee has folks who would usually check their bags carrying on. Watching Southwest morph into Spirit/Frontier is so sad to watch

Sat on tarmac for 2 hours and then missed my connecting flight

First time traveling on Southwest since bag fees were implemented. Usual good service. Just more expensive now.

Book cheap flights from Missouri to the United States

Recent round-trip flight deals

8/6Wed
nonstopFrontier
2h 02mMCI-DEN
8/13Wed
nonstopFrontier
1h 43mDEN-MCI
$97
10/1Wed
nonstopSpirit Airlines
3h 39mMCI-LAX
10/4Sat
nonstopSpirit Airlines
3h 17mLAX-MCI
$98
8/16Sat
nonstopSouthwest
1h 50mMCI-DEN
8/23Sat
nonstopSouthwest
1h 35mDEN-MCI
$165
10/9Thu
nonstopSouthwest
1h 50mMCI-DEN
10/12Sun
nonstopSouthwest
1h 35mDEN-MCI
$171
8/19Tue
1 stopUnited Airlines
7h 10mSTL-SEA
8/26Tue
1 stopUnited Airlines
6h 44mSEA-STL
$180
8/19Tue
1 stopAmerican Airlines
8h 17mSTL-SEA
8/26Tue
1 stopAmerican Airlines
7h 30mSEA-STL
$189
11/14Fri
1 stopAmerican Airlines
4h 35mMCI-DEN
11/17Mon
1 stopAmerican Airlines
6h 32mDEN-MCI
$191
9/6Sat
1 stopUnited Airlines
7h 10mSTL-SEA
9/10Wed
1 stopUnited Airlines
6h 44mSEA-STL
$193
8/20Wed
nonstopHawaiian Airlines
3h 53mMCI-SEA
8/31Sun
nonstopHawaiian Airlines
3h 29mSEA-MCI
$227
8/23Sat
nonstopHawaiian Airlines
3h 53mMCI-SEA
8/31Sun
nonstopHawaiian Airlines
3h 29mSEA-MCI
$229

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Recent one-way flight deals

8/5Tue
nonstopSpirit Airlines
3h 40mMCI-LAX
$42
8/6Wed
1 stopSpirit Airlines
14h 03mMCI-LAS
$48
10/30Thu
nonstopFrontier
1h 59mMCI-DEN
$57
8/13Wed
nonstopFrontier
2h 02mMCI-DEN
$59
8/12Tue
nonstopUnited Airlines
1h 50mMCI-DEN
$83
9/28Sun
nonstopUnited Airlines
1h 52mMCI-DEN
$89
11/12Wed
1 stopAmerican Airlines
4h 44mMCI-DEN
$92
10/14Tue
1 stopAmerican Airlines
7h 03mSTL-SEA
$93
9/20Sat
2 stopsSouthwest
6h 55mMCI-DEN
$98
8/31Sun
nonstopSouthwest
4h 20mSTL-SEA
$99

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Last minute flights from Missouri to the United States

Last minute flight, train and bus deals

7/18Fri
nonstopFrontier
2h 10mMCI-DEN
7/21Mon
nonstopFrontier
1h 45mDEN-MCI
$156
7/18Fri
multi-stopFrontier
10h 57mMCI-DEN
7/21Mon
nonstopFrontier
1h 45mDEN-MCI
$175
7/19Sat
multi-stopSpirit Airlines
6h 52mSTL-LGA
8/9Sat
multi-stopSpirit Airlines
13h 28mLGA-STL
$221
7/19Sat
multi-stopSpirit Airlines
6h 52mSTL-LGA
7/26Sat
multi-stopSpirit Airlines
13h 28mLGA-STL
$231
7/19Sat
multi-stop
9h 33mSTL-LAS
7/25Fri
multi-stop
6h 12mLAS-STL
$268
7/19Sat
multi-stop
7h 40mSTL-LGA
7/26Sat
multi-stop
9h 39mLGA-STL
$275
7/19Sat
nonstopSouthwest
2h 25mSTL-LGA
7/22Tue
nonstopSouthwest
2h 40mLGA-STL
$295
7/19Sat
multi-stopDelta
4h 57mSTL-LGA
7/29Tue
nonstopDelta
2h 58mLGA-STL
$305
7/19Sat
multi-stopDelta
5h 01mSTL-LGA
7/29Tue
multi-stopDelta
4h 51mLGA-STL
$315
7/16Wed
multi-stopSouthwest
5h 55mSTL-LGA
7/18Fri
nonstopSouthwest
2h 35mLGA-STL
$358

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Everything you need to know for your flight to the United States

Cabin class types available on flights to Missouri

Cabin classes available on flights to Missouri. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.

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