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$55+ Cheap flights from Seattle (SEA) to 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 4/26. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — STL
feb. 25 — mar. 41
mar. 2/25
mar. 3/4
1 adult, Economy
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Cheap flight deals from Seattle to Missouri

Keep the following information in mind while searching for Seattle to Missouri flight deals. Data was last updated febrero 20, 2025.

Round-trip from

$222
(American Airlines)

One-way from

$55
(Cheapflightsfares)

Popular in

July

Cheapest in

November

Average price

$381

Good round-trip deal

$289 or less

Good one-way deal

$139 or less
From Seattle/Tacoma Intl to Missouri
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One-way flight from Seattle/Tacoma Intl to Missouri
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Highest demand for flights based on searches. 33% potential increase in price ($211 potential increase over avg. RT price).
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Cheapest flight prices on average. 10% potential price decrease ($42 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Price to beat on a round-trip flight from Seattle/Tacoma Intl to Missouri.
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Price to beat on a one-way flight from Seattle/Tacoma Intl to Missouri.
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Find flight deals from Seattle to Missouri

Cheapest flights from Seattle to Missouri
Explore the most affordable flight options available from Seattle to Missouri. Find the lowest fares from popular airlines and budget airlines, with prices last updated on febrero 20, 2025.

This Delta deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 4/185:30 pmSEA - MCI
Nonstop3h 30mDelta
dom. 4/275:44 pmMCI - SEA
1 stop7h 40mDelta
Deal found 2/20$227
This CheapOair deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 4/189:06 pmSEA - MCI
1 stop13h 53mMultiple Airlines
dom. 4/278:40 pmMCI - SEA
1 stop6h 04mMultiple Airlines
Deal found 2/19$229
This Alaska Airlines deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/168:04 amSEA - STL
Nonstop4h 11mAlaska Airlines
mié. 4/233:08 pmSTL - SEA
Nonstop4h 31mAlaska Airlines
Deal found 2/19$247
This United Airlines deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 6/75:00 amSEA - STL
1 stop5h 46mUnited Airlines
mar. 6/104:32 pmSTL - SEA
1 stop7h 58mUnited Airlines
Deal found 2/20$248
This Booking.com deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 4/54:22 pmSEA - STL
1 stop17h 15mFrontier
lun. 4/76:38 pmSTL - SEA
1 stop16h 57mFrontier
Deal found 2/20$250
This Delta deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 3/3112:49 amSEA - STL
1 stop7h 45mDelta
mié. 4/166:00 amSTL - SEA
1 stop6h 45mDelta
Deal found 2/20$253
This FlightHub deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 5/71:37 pmSEA - MCI
1 stop27h 36mSpirit Airlines
lun. 5/128:08 pmMCI - SEA
1 stop21h 45mSpirit Airlines
Deal found 2/19$254
This Hawaiian Airlines deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 3/188:26 amSEA - STL
Nonstop3h 59mHawaiian Airlines
vie. 3/216:44 amSTL - SEA
Nonstop4h 30mHawaiian Airlines
Deal found 2/20$257
This Southwest deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/25:45 amSEA - MCI
2 stops8h 45mSouthwest
lun. 4/75:50 pmMCI - SEA
1 stop8h 40mSouthwest
Deal found 2/20$262
This Southwest deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/167:10 amSEA - STL
2 stops8h 05mSouthwest
lun. 4/286:55 pmSTL - SEA
1 stop6h 40mSouthwest
Deal found 2/19$263
This United Airlines deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 3/1812:55 pmSEA - MCI
2 stops8h 49mUnited Airlines
dom. 3/236:00 amMCI - SEA
1 stop5h 48mUnited Airlines
Deal found 2/19$265
This American Airlines deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 3/612:59 amSEA - STL
1 stop7h 41mAmerican Airlines
lun. 3/101:51 pmSTL - SEA
1 stop9h 05mAmerican Airlines
Deal found 2/19$269

Find flights from Seattle to Missouri within your budget

Customize your flight search to find flights from Seattle to Missouri 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, Cheapflights users made 2,558,603 searches. Data last updated febrero 20, 2025.

Fly from

Seattle

Fly to

Missouri

Route

Depart

Return

Price

SeattleKansas City

SEA - MCI

SEAMCI

Seattle/Tacoma Intl

vie. 4/18

5:30 pm-11:00 pm

Nonstop3h 30m

Kansas City

dom. 4/27

5:44 pm-11:24 pm

1 stop7h 40m

$227

SeattleKansas City

SEA - MCI

SEAMCI

Seattle/Tacoma Intl

vie. 4/18

9:06 pm-12:59 pm

1 stop13h 53m

Kansas City

dom. 4/27

8:40 pm-12:44 am

1 stop6h 04m

$229

SeattleSt. Louis

SEA - STL

SEASTL

Seattle/Tacoma Intl

mié. 4/16

8:04 am-2:15 pm

Nonstop4h 11m

Lambert-St Louis

mié. 4/23

3:08 pm-5:39 pm

Nonstop4h 31m

$247

SeattleSt. Louis

SEA - STL

SEASTL

Seattle/Tacoma Intl

sáb. 6/7

5:00 am-12:46 pm

1 stop5h 46m

Lambert-St Louis

mar. 6/10

4:32 pm-10:30 pm

1 stop7h 58m

$248

SeattleSt. Louis

SEA - STL

SEASTL

Seattle/Tacoma Intl

sáb. 4/5

4:22 pm-11:37 am

1 stop17h 15m

Lambert-St Louis

lun. 4/7

6:38 pm-9:35 am

1 stop16h 57m

$250

SeattleSt. Louis

SEA - STL

SEASTL

Seattle/Tacoma Intl

lun. 3/31

12:49 am-10:34 am

1 stop7h 45m

Lambert-St Louis

mié. 4/16

6:00 am-10:45 am

1 stop6h 45m

$253

SeattleKansas City

SEA - MCI

SEAMCI

Seattle/Tacoma Intl

mié. 5/7

1:37 pm-7:13 pm

1 stop27h 36m

Kansas City

lun. 5/12

8:08 pm-3:53 pm

1 stop21h 45m

$254

SeattleSt. Louis

SEA - STL

SEASTL

Seattle/Tacoma Intl

mar. 3/18

8:26 am-2:25 pm

Nonstop3h 59m

Lambert-St Louis

vie. 3/21

6:44 am-9:14 am

Nonstop4h 30m

$257

SeattleKansas City

SEA - MCI

SEAMCI

Seattle/Tacoma Intl

mié. 4/2

5:45 am-4:30 pm

2 stops8h 45m

Kansas City

lun. 4/7

5:50 pm-12:30 am

1 stop8h 40m

$262

SeattleSt. Louis

SEA - STL

SEASTL

Seattle/Tacoma Intl

mié. 4/16

7:10 am-5:15 pm

2 stops8h 05m

Lambert-St Louis

lun. 4/28

6:55 pm-11:35 pm

1 stop6h 40m

$263

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

Showing 1-10 of 45 results
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Best time to book a flight from Seattle to Missouri

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

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

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

Currently, August is the cheapest month in which you can book a flight from Seattle to Missouri (average of $311). Flying from Seattle to Missouri in March is currently the most expensive (average of $356). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SEA to MO?

Find hourly flight availability from Seattle to Missouri. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated febrero 20, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Seattle to Missouri as you normally would.

Weekly flight availability from Seattle to Missouri

Explore weekly flight availability from Seattle to Missouri. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated febrero 20, 2025.

The most flights from SEA to USMO are scheduled on a Thursday (11 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (1 on average).

Rainfall in Missouri by month

Plan your trip to Missouri by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Missouri ranges from 1.1 - 5.2 inches per month. May is typically the wettest month, when rainfall can reach 5.2 in. January is typically the driest time to visit Missouri when rainfall is around 1.1 in.

Temperature in Missouri by month

Plan your trip to Missouri by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Missouri, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 28.4 F).

Reviews of airlines servicing Missouri

Get insights into the airlines that provide service to Missouri. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Missouri. Reviews last updated febrero 20, 2025.
Read through reviews of airlines operating flights from Seattle to Missouri, such as Southwest, Alaska Airlines and Delta. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Food

7.1

Comfort

8.1

Overall

8.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Southwest
8.1
Very good
4,411 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Food

7.1

Comfort

8.1

Overall

8.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Alaska Airlines
8.0
Very good
9,692 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Food

7.1

Comfort

8.1

Overall

8.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Delta
8.0
Very good
8,220 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Food

7.1

Comfort

8.1

Overall

8.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Hawaiian Airlines
7.9
Good
2,317 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Food

7.1

Comfort

8.1

Overall

8.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

United Airlines
7.4
Good
8,766 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Food

7.1

Comfort

8.1

Overall

8.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Missouri. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Seattle to Missouri?

    Seattle/Tacoma Intl (SEA), located 11.4 mi from the city center, is the airport you fly out of when you book flights from Seattle to Missouri.

  • How popular is this Seattle to Missouri flight route?

    This flight path from Seattle/Tacoma Intl to Missouri was viewed by 5 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • What are the cheapest airlines to fly from Seattle to Missouri one-way?

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $55. However, be on the lookout for offers from Delta and United Airlines, as they are both options that can get you from Seattle to Missouri for a low price.

  • What are the most popular routes from Seattle to Missouri?

    When deciding which route to take from Seattle to Missouri consider Seattle/Tacoma Intl - Lambert-St Louis, Seattle/Tacoma Intl - Kansas City or Seattle/Tacoma Intl - Springfield-Branson as they are the most popular.

  • What are the most reliable airlines from Seattle to Missouri?

    No one likes to see their flight delayed. When booking a flight from Seattle to Missouri consider choosing Hawaiian Airlines (96%), Alaska Airlines (94%) or Air Tahiti Nui (94%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Seattle to Missouri?

    Looking at all options, your cheapest flight can be booked for $108. While the most popular route (Seattle/Tacoma Intl - Lambert-St Louis) can be booked for $189 on average our data indicates $597 when flying from Seattle to Missouri.

  • Can I find deals for flights from Seattle to Missouri that include hotel bookings?

    Yes. In addition to deals on Seattle to Missouri flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Missouri?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Missouri.

  • Can I find deals for business class flights from Seattle to Missouri?

    Yes. Cheapflights offers flight deals from Seattle to Missouri by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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

    Currently, August is the cheapest month in which you can book a flight from Seattle to Missouri (average of $311). Flying from Seattle to Missouri in March is currently the most expensive (average of $356). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Seattle to Missouri

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Top 7 airlines flying from Seattle to Missouri

Discover the top 7 airlines that operate flights from Seattle to Missouri. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated febrero 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$118Average$210FlexibilityNo cancel feeOn-time62%
DeltaCheapest$137Average$318FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$196Average$498FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$196Average$531FlexibilityNo cancel feeOn-time71%
Spirit AirlinesCheapest$198Average$401FlexibilityNo cancel feeOn-time65%
United AirlinesCheapest$216Average$479FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$236Average$476FlexibilityNo cancel feeOn-time63%
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