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Cheap flights from Seattle to Missouri from $68

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Missouri departing on 2/20. 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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0 bags

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Find the cheapest flights from Seattle to Missouri

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
11:15 pm - 8:39 pm
SEA
-
MCI
19h 24m2 stops
Delta Logo
4:01 pm - 10:50 pm
MCI
-
SEA
8h 49m1 stop
$237Delta
Tue, Jan 13 - Sat, Jan 17
Alaska Airlines Logo
5:58 pm - 11:24 pm
SEA
-
MCI
3h 26mnonstop
Alaska Airlines Logo
2:45 pm - 4:51 pm
MCI
-
SEA
4h 06mnonstop
$238Alaska Airlines
Fri, Jan 16 - Mon, Jan 19
Delta Logo
3:30 pm - 11:23 pm
SEA
-
STL
5h 53m1 stop
Delta Logo
6:04 pm - 12:01 am
STL
-
SEA
7h 57m1 stop
$238Delta
Thu, Mar 5 - Sun, Mar 8
Delta Logo
5:55 pm - 11:23 pm
SEA
-
MCI
3h 28mnonstop
Delta Logo
7:00 am - 9:06 am
MCI
-
SEA
4h 06mnonstop
$239Delta
Mon, Jan 5 - Fri, Jan 9
Southwest Logo
6:45 am - 3:00 pm
SEA
-
STL
6h 15m1 stop
Southwest Logo
2:20 pm - 9:50 pm
STL
-
SEA
9h 30m2 stops
$252Southwest
Mon, Feb 2 - Wed, Feb 4
Alaska Airlines Logo
6:07 pm - 11:59 pm
SEA
-
STL
3h 52mnonstop
Alaska Airlines Logo
2:47 pm - 5:26 pm
STL
-
SEA
4h 39mnonstop
$263Alaska Airlines
Thu, Mar 5 - Sat, Mar 7
United Airlines Logo
8:40 am - 9:37 pm
SEA
-
COU
10h 57m2 stops
United Airlines Logo
11:17 am - 6:14 pm
COU
-
SEA
8h 57m1 stop
$304United Airlines
Wed, Jan 14 - Wed, Jan 21
American Airlines Logo
10:50 am - 9:19 pm
SEA
-
SGF
8h 29m1 stop
American Airlines Logo
6:34 pm - 11:51 pm
SGF
-
SEA
7h 17m1 stop
$309American Airlines
Fri, Jan 9 - Mon, Jan 12
United Airlines Logo
8:40 am - 9:37 pm
SEA
-
COU
10h 57m2 stops
United Airlines Logo
3:10 pm - 12:59 am
COU
-
SEA
11h 49m2 stops
$309United Airlines
Wed, Jan 14 - Wed, Jan 21
American Airlines Logo
7:15 am - 8:15 pm
SEA
-
COU
11h 00m1 stop
American Airlines Logo
10:07 am - 10:19 pm
COU
-
SEA
14h 12m1 stop
$345American Airlines
Thu, Feb 12 - Sun, Feb 15

United Airlines flights from Seattle to Missouri

Our best United Airlines deals on Seattle to Missouri flight tickets
United Airlines
Jan 30
SEA5:00 amSeattle/Tacoma Intl
5h 37m
1 stop
MCI12:37 pmKansas City
Feb 1
MCI5:45 amKansas City
6h 10m
1 stop
SEA9:55 amSeattle/Tacoma Intl
$299
Find similar
United Airlines
Mar 11
SEA11:59 pmSeattle/Tacoma Intl
8h 37m
1 stop
MCI10:36 amKansas City
Mar 17
MCI1:56 pmKansas City
13h 03m
2 stops
SEA12:59 amSeattle/Tacoma Intl
$302
Find similar
United Airlines
Jan 9
SEA7:30 pmSeattle/Tacoma Intl
13h 02m
2 stops
MCI10:32 amKansas City
Jan 12
MCI3:00 pmKansas City
9h 59m
1 stop
SEA10:59 pmSeattle/Tacoma Intl
$304
Find similar

Alaska Airlines flights from Seattle to Missouri

Our best Alaska Airlines deals on Seattle to Missouri flight tickets
Alaska Airlines
Jan 16
SEA5:58 pmSeattle/Tacoma Intl
3h 26m
MCI11:24 pmKansas City
Jan 19
MCI2:45 pmKansas City
4h 06m
SEA4:51 pmSeattle/Tacoma Intl
$238
Find similar
Alaska Airlines
Feb 20
SEA7:45 amSeattle/Tacoma Intl
6h 37m
1 stop
MCI4:22 pmKansas City
Feb 22
MCI5:16 pmKansas City
18h 21m
1 stop
SEA9:37 amSeattle/Tacoma Intl
$261
Find similar
Alaska Airlines
Mar 5
SEA6:07 pmSeattle/Tacoma Intl
3h 52m
STL11:59 pmLambert-St Louis
Mar 7
STL2:47 pmLambert-St Louis
4h 39m
SEA5:26 pmSeattle/Tacoma Intl
$263
Find similar

momondo Fare Finder

 
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, momondo users made 832,500 searches. Data last updated December 18, 2025.
Use the filters below to find and compare flights from Seattle to Missouri that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleKansas City

SEA - MCI

SEAMCI

Seattle/Tacoma Intl

Tue 1/13

11:15 pm-8:39 pm

2 stops19h 24m

Kansas City

Sat 1/17

4:01 pm-10:50 pm

1 stop8h 49m

$237

SeattleKansas City

SEA - MCI

SEAMCI

Seattle/Tacoma Intl

Fri 1/16

5:58 pm-11:24 pm

Nonstop3h 26m

Kansas City

Mon 1/19

2:45 pm-4:51 pm

Nonstop4h 06m

$238

SeattleSt. Louis

SEA - STL

SEASTL

Seattle/Tacoma Intl

Thu 3/5

3:30 pm-11:23 pm

1 stop5h 53m

Lambert-St Louis

Sun 3/8

6:04 pm-12:01 am

1 stop7h 57m

$238

SeattleKansas City

SEA - MCI

SEAMCI

Seattle/Tacoma Intl

Mon 1/5

5:55 pm-11:23 pm

Nonstop3h 28m

Kansas City

Fri 1/9

7:00 am-9:06 am

Nonstop4h 06m

$239

SeattleSt. Louis

SEA - STL

SEASTL

Seattle/Tacoma Intl

Mon 2/2

6:45 am-3:00 pm

1 stop6h 15m

Lambert-St Louis

Wed 2/4

2:20 pm-9:50 pm

2 stops9h 30m

$252

SeattleSt. Louis

SEA - STL

SEASTL

Seattle/Tacoma Intl

Thu 3/5

6:07 pm-11:59 pm

Nonstop3h 52m

Lambert-St Louis

Sat 3/7

2:47 pm-5:26 pm

Nonstop4h 39m

$263

SeattleColumbia

SEA - COU

SEACOU

Seattle/Tacoma Intl

Wed 1/14

8:40 am-9:37 pm

2 stops10h 57m

Columbia Regional

Wed 1/21

11:17 am-6:14 pm

1 stop8h 57m

$304

SeattleSpringfield

SEA - SGF

SEASGF

Seattle/Tacoma Intl

Fri 1/9

10:50 am-9:19 pm

1 stop8h 29m

Springfield-Branson

Mon 1/12

6:34 pm-11:51 pm

1 stop7h 17m

$309

SeattleColumbia

SEA - COU

SEACOU

Seattle/Tacoma Intl

Wed 1/14

8:40 am-9:37 pm

2 stops10h 57m

Columbia Regional

Wed 1/21

3:10 pm-12:59 am

2 stops11h 49m

$309

SeattleColumbia

SEA - COU

SEACOU

Seattle/Tacoma Intl

Thu 2/12

7:15 am-8:15 pm

1 stop11h 00m

Columbia Regional

Sun 2/15

10:07 am-10:19 pm

1 stop14h 12m

$345

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 Missouri from

How to get the cheapest flight ticket from Seattle to Missouri

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 Missouri?

In general, January is the cheapest month to fly from Seattle to Missouri. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $285. If you aren’t able to travel to Missouri during the month of January, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $328.

What is the cheapest day to depart on your flight to Missouri?

The cheapest day to depart from Seattle to Missouri is on a Thursday when prices can be found for as low as $387. Flights from Seattle to Missouri on a Monday will generally be more expensive and average around $491. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

According to our data, the cheapest time of day to fly to Missouri is in the evening. momondo users have found flights departing from Seattle to Missouri in the evening for as low as $267. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Missouri are more costly in the morning, with an average ticket price of $437. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Seattle/Tacoma Intl to Missouri flight route?

Fly from Seattle/Tacoma Intl to Lambert-St Louis for the best Seattle/Tacoma Intl - Missouri flight prices

How far in advance should I book a flight to Missouri?

You are more likely to see cheaper flights to Missouri from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Missouri for around $389 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Missouri from Seattle for as low as $262 on momondo.

What cabin class options are available on Seattle/Tacoma Intl to Missouri flights?

There are 4 cabin classes available to choose from on Seattle/Tacoma Intl to Missouri 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 Seattle to Missouri flights?

You could potentially save up to 26% on your flight if you consider stops on a Seattle to Missouri flight.

Cheap Seattle to Missouri flight deals and tips

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

Best Price Found

$119

Fastest flight time

3h 25m

Direct flights

Every day

Airports in Missouri

55 airports
The best one-way flight to Missouri from Seattle in the past 72 hours is $119. The best round-trip flight deal from Seattle to Missouri found on momondo in the last 72 hours is $278.
The fastest flight from Seattle to Missouri takes 3h 25m
Direct flights go from Seattle to Missouri every day.
There are 55 airports in Missouri. From Seattle there are direct flights to Kansas City (MCI), Lambert-St Louis (STL).
Search flight deals

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Missouri?

    Prices for flights from Seattle/Tacoma Intl Airport to Missouri are updated daily.

  • How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Missouri?

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Missouri?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Missouri.

  • What documentation or ID do you need to fly to Missouri?

    The necessary travel and health documents for your Missouri 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 Seattle to Missouri?

Best airlines flying from Seattle to Missouri

Compare and see reviews for airlines that fly from Seattle to Missouri with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $123Free CancellationRating
7.9
8,009 reviews
Search Delta flights
FrontierPriceFrom $136Free CancellationRating
5.8
3,081 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $168Free CancellationRating
6.3
8,189 reviews
Search Spirit Airlines flights
Hawaiian AirlinesPriceFrom $178Free CancellationRating
7.8
2,820 reviews
Search Hawaiian Airlines flights
SouthwestPriceFrom $182Free CancellationRating
7.9
4,250 reviews
Search Southwest flights
American AirlinesPriceFrom $188Free CancellationRating
7.2
11,054 reviews
Search American Airlines flights
United AirlinesPriceFrom $216Free CancellationRating
7.4
9,093 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $237Free CancellationRating
8.0
11,479 reviews
Search Alaska Airlines flights

Why use momondo?

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

It is quick and easy to find Seattle to Missouri flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Missouri that suits you.

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

All flight searches from Seattle to Missouri on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Seattle to Missouri?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Missouri from Seattle.

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

Price alerts on flights to Missouri from Seattle are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Missouri trip

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