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Missouri

$34+ Cheap flights from Missouri

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 4/8. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SEA
Apr 22 — Apr 291
Wed 4/22
Wed 4/29
1 adult, Economy
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Find flights from Missouri within your budget

 
Find flights departing from Missouri 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 23, 2026. In the last 7 days, Cheapflights users made a total of 2,558,603 searches

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisDenver

STL - DEN

STLDEN

Lambert-St Louis

Sat 5/9

8:08 pm-9:41 pm

Nonstop2h 33m

Denver Intl

Sun 5/10

4:15 pm-7:23 pm

Nonstop2h 08m

$131
Quickest round-trip

St. LouisDenver

STL - DEN

STLDEN

Lambert-St Louis

Wed 5/13

6:35 am-7:55 am

Nonstop2h 20m

Denver Intl

Fri 5/15

8:40 pm-11:50 pm

Nonstop2h 10m

$229

St. LouisDenver

STL - DEN

STLDEN

Lambert-St Louis

Wed 4/15

8:25 am-1:35 pm

1 stop6h 10m

Denver Intl

Sat 4/18

7:15 am-3:20 pm

2 stops7h 05m

$230

St. LouisDenver

STL - DEN

STLDEN

Lambert-St Louis

Thu 4/16

9:40 pm-11:00 pm

Nonstop2h 20m

Denver Intl

Thu 4/23

6:00 am-12:30 pm

1 stop5h 30m

$231

St. LouisOrlando

STL - MCO

STLMCO

Lambert-St Louis

Mon 6/1

9:21 pm-3:46 pm

1 stop17h 25m

Orlando

Fri 6/5

9:56 am-8:55 am

1 stop23h 59m

$239

St. LouisSeattle

STL - SEA

STLSEA

Lambert-St Louis

Wed 4/15

6:00 am-12:47 pm

1 stop8h 47m

Seattle/Tacoma Intl

Wed 4/22

6:30 am-4:08 pm

1 stop7h 38m

$249

St. LouisSeattle

STL - SEA

STLSEA

Lambert-St Louis

Wed 5/27

7:23 pm-1:13 am

1 stop7h 50m

Seattle/Tacoma Intl

Tue 6/2

7:00 am-3:46 pm

1 stop6h 46m

$249

St. LouisDenver

STL - DEN

STLDEN

Lambert-St Louis

Wed 5/6

5:30 am-10:55 am

1 stop6h 25m

Denver Intl

Sun 5/10

6:30 pm-1:15 am

1 stop5h 45m

$259

Kansas CitySeattle

MCI - SEA

MCISEA

Kansas City

Fri 4/17

2:15 pm-6:30 pm

1 stop6h 15m

Seattle/Tacoma Intl

Sun 4/19

4:36 pm-12:38 am

1 stop6h 02m

$268

Kansas CitySeattle

MCI - SEA

MCISEA

Kansas City

Sat 5/2

6:05 pm-10:10 pm

1 stop6h 05m

Seattle/Tacoma Intl

Sat 5/9

6:40 am-5:15 pm

2 stops8h 35m

$273

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/18

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Missouri

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

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

What is the cheapest month to book a flight from Missouri?

Currently, March is the cheapest month in which you can book a flight from Missouri (average of $109). Flying from Missouri in August will prove the most costly (average of $210). 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 Missouri?

Use this chart to determine the cheapest time to fly round-trip from Missouri to Seattle. Price data was last updated on March 14, 2026.

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

Which airlines fly from Missouri?

For flights departing from Missouri check dates and pricing for the following: Alaska Airlines, Delta, American Airlines, Hawaiian Airlines, Southwest. These airlines depart to the following popular destinations: Seattle.

American Airlines
American Airlines
From $97
Southwest
Southwest
From $77
United Airlines
United Airlines
From $113
Delta
Delta
From $75

What is the cheapest place to fly to from Missouri?

The cheapest city to fly to from Missouri is Punta Gorda, with prices starting at $55. Explore other affordable destinations below.

Punta Gorda
Punta Gorda
From $55
Chicago
Chicago
From $59
Tampa
Tampa
From $61
Denver Intl
Denver Intl
From $64

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Popular international destinations from Missouri

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

Related info for your journey

Access useful and relevant information related to your journey from Missouri. 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 23, 2026.

  • What is the cheapest month to fly from Missouri?

    March is currently the cheapest month to fly from Missouri. At this moment in time August 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 Missouri?

    Check out the cheapest flights from Missouri to embark to:
    Fly from St. Louis to Atlanta from $126 round trip
    Fly from St. Louis to Denver from $131 round trip
    Fly from St. Louis to Miami from $145 round trip
    Fly from St. Louis to Nashville from $150 round trip
    Fly from St. Louis to Dallas from $152 round trip

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