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Cheap flights from Seattle to Missouri from $116

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 6/24. 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.
Frontier Logo
8:12 pm - 12:55 pm
SEA
-
MCI
14h 43m
1 stop
Frontier Logo
1:50 pm - 10:35 am
MCI
-
SEA
22h 45m
1 stop
$268Frontier
Thu, Aug 13 - Mon, Aug 17
Frontier Logo
8:12 pm - 12:55 pm
SEA
-
MCI
14h 43m
1 stop
Frontier Logo
1:50 pm - 10:39 am
MCI
-
SEA
22h 49m
1 stop
$279Frontier
Thu, Jul 23 - Sun, Jul 26
Frontier Logo
7:50 pm - 1:49 pm
SEA
-
MCI
15h 59m
1 stop
Frontier Logo
1:45 pm - 9:48 am
MCI
-
SEA
22h 03m
1 stop
$280Frontier
Thu, Jun 4 - Tue, Jun 16
Frontier Logo
3:19 pm - 1:49 pm
SEA
-
MCI
20h 30m
1 stop
Frontier Logo
2:34 pm - 9:48 am
MCI
-
SEA
21h 14m
1 stop
$294Frontier
Thu, Jun 4 - Mon, Jun 8
American Airlines Logo
11:54 pm - 9:38 am
SEA
-
SGF
7h 44m
1 stop
American Airlines Logo
6:45 pm - 12:15 am
SGF
-
SEA
7h 30m
1 stop
$349American Airlines
Sat, Sep 26 - Sat, Oct 3
Multiple Airlines Logo
9:16 pm - 11:52 am
SEA
-
SGF
12h 36m
1 stop
Multiple Airlines Logo
12:52 pm - 10:00 am
SGF
-
SEA
23h 08m
1 stop
$372Multiple Airlines
Thu, Sep 10 - Mon, Sep 14
United Airlines Logo
3:55 pm - 11:42 pm
SEA
-
SGF
5h 47m
1 stop
United Airlines Logo
1:37 pm - 8:44 pm
SGF
-
SEA
9h 07m
2 stops
$400United Airlines
Tue, Sep 29 - Sat, Oct 3
American Airlines Logo
5:10 am - 4:49 pm
SEA
-
COU
9h 39m
1 stop
American Airlines Logo
6:33 pm - 12:16 am
COU
-
SEA
7h 43m
1 stop
$408American Airlines
Sat, May 30 - Tue, Jun 2
United Airlines Logo
1:56 pm - 10:55 pm
SEA
-
COU
6h 59m
1 stop
United Airlines Logo
5:00 am - 11:40 am
COU
-
SEA
8h 40m
1 stop
$438United Airlines
Sat, Oct 24 - Tue, Oct 27
Multiple Airlines Logo
8:12 pm - 2:01 pm
SEA
-
SGF
15h 49m
1 stop
Multiple Airlines Logo
11:56 am - 6:12 pm
SGF
-
SEA
32h 16m
2 stops
$438Multiple Airlines
Tue, Jul 14 - Wed, Jul 22

Frontier flights from Seattle to Missouri

Our best Frontier deals on Seattle to Missouri flight tickets
Frontier
Aug 13
SEA8:12 pmSeattle/Tacoma Intl
14h 43m
1 stop
MCI12:55 pmKansas City
Aug 17
MCI1:50 pmKansas City
22h 45m
1 stop
SEA10:35 amSeattle/Tacoma Intl
$268
Frontier
Jul 23
SEA8:12 pmSeattle/Tacoma Intl
14h 43m
1 stop
MCI12:55 pmKansas City
Jul 26
MCI1:50 pmKansas City
22h 49m
1 stop
SEA10:39 amSeattle/Tacoma Intl
$279
Frontier
Jun 4
SEA7:50 pmSeattle/Tacoma Intl
15h 59m
1 stop
MCI1:49 pmKansas City
Jun 16
MCI1:45 pmKansas City
22h 03m
1 stop
SEA9:48 amSeattle/Tacoma Intl
$280

Alaska Airlines flights from Seattle to Missouri

Our best Alaska Airlines deals on Seattle to Missouri flight tickets
Alaska Airlines
Jun 8
SEA5:52 pmSeattle/Tacoma Intl
4h 02m
STL11:54 pmLambert-St Louis
Jun 9
STL7:41 pmLambert-St Louis
4h 30m
SEA10:11 pmSeattle/Tacoma Intl
$347
Alaska Airlines
Oct 14
SEA6:24 pmSeattle/Tacoma Intl
3h 35m
MCI11:59 pmKansas City
Oct 19
MCI3:11 pmKansas City
4h 05m
SEA5:16 pmSeattle/Tacoma Intl
$357
Alaska Airlines
Oct 14
SEA8:37 amSeattle/Tacoma Intl
6h 41m
1 stop
MCI5:18 pmKansas City
Oct 19
MCI3:11 pmKansas City
4h 05m
SEA5:16 pmSeattle/Tacoma Intl
$367

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 May 20, 2026.
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

Cheapest round-trip

SeattleKansas City

SEA - MCI

SEAMCI

Seattle/Tacoma Intl

Thu 8/13

8:12 pm-12:55 pm

1 stop14h 43m

Kansas City

Mon 8/17

1:50 pm-10:35 am

1 stop22h 45m

$268

SeattleKansas City

SEA - MCI

SEAMCI

Seattle/Tacoma Intl

Thu 7/23

8:12 pm-12:55 pm

1 stop14h 43m

Kansas City

Sun 7/26

1:50 pm-10:39 am

1 stop22h 49m

$279

SeattleKansas City

SEA - MCI

SEAMCI

Seattle/Tacoma Intl

Thu 6/4

7:50 pm-1:49 pm

1 stop15h 59m

Kansas City

Tue 6/16

1:45 pm-9:48 am

1 stop22h 03m

$280

SeattleKansas City

SEA - MCI

SEAMCI

Seattle/Tacoma Intl

Thu 6/4

3:19 pm-1:49 pm

1 stop20h 30m

Kansas City

Mon 6/8

2:34 pm-9:48 am

1 stop21h 14m

$294

SeattleSpringfield

SEA - SGF

SEASGF

Seattle/Tacoma Intl

Sat 9/26

11:54 pm-9:38 am

1 stop7h 44m

Springfield-Branson

Sat 10/3

6:45 pm-12:15 am

1 stop7h 30m

$349

SeattleSpringfield

SEA - SGF

SEASGF

Seattle/Tacoma Intl

Thu 9/10

9:16 pm-11:52 am

1 stop12h 36m

Springfield-Branson

Mon 9/14

12:52 pm-10:00 am

1 stop23h 08m

$372
Quickest round-trip

SeattleSpringfield

SEA - SGF

SEASGF

Seattle/Tacoma Intl

Tue 9/29

3:55 pm-11:42 pm

1 stop5h 47m

Springfield-Branson

Sat 10/3

1:37 pm-8:44 pm

2 stops9h 07m

$400

SeattleColumbia

SEA - COU

SEACOU

Seattle/Tacoma Intl

Sat 5/30

5:10 am-4:49 pm

1 stop9h 39m

Columbia Regional

Tue 6/2

6:33 pm-12:16 am

1 stop7h 43m

$408

SeattleColumbia

SEA - COU

SEACOU

Seattle/Tacoma Intl

Sat 10/24

1:56 pm-10:55 pm

1 stop6h 59m

Columbia Regional

Tue 10/27

5:00 am-11:40 am

1 stop8h 40m

$438

SeattleSpringfield

SEA - SGF

SEASGF

Seattle/Tacoma Intl

Tue 7/14

8:12 pm-2:01 pm

1 stop15h 49m

Springfield-Branson

Wed 7/22

11:56 am-6:12 pm

2 stops32h 16m

$438

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 $88. If you aren’t able to travel to Missouri during the month of January, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $94.

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

The cheapest day to depart from Seattle to Missouri is on a Tuesday when prices can be found for as low as $372. Flights from Seattle to Missouri on a Sunday will generally be more expensive and average around $547. 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 at noon. momondo users have found flights departing from Seattle to Missouri at noon for as low as $283. 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 afternoon, with an average ticket price of $452. Departure times in the afternoon 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 from Seattle 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 $386 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 $249 on momondo.

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

There are 4 cabin classes available to choose from on Seattle 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 2% 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

$218

Fastest flight time

3h 30m

Direct flights

Every day

Airports in Missouri

55 airports
The best one-way flight to Missouri from Seattle in the past 72 hours is $218. The best round-trip flight deal from Seattle to Missouri found on momondo in the last 72 hours is $387.
The fastest flight from Seattle to Missouri takes 3h 30m
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

Frequently asked questions about flying from Seattle to Missouri

  • 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 $94Free CancellationRating
7.9
8,452 reviews
Search Delta flights
FrontierPriceFrom $135Free CancellationRating
5.6
2,945 reviews
Search Frontier flights
Hawaiian AirlinesPriceFrom $148Free CancellationRating
7.8
2,836 reviews
Search Hawaiian Airlines flights
United AirlinesPriceFrom $157Free CancellationRating
7.4
9,733 reviews
Search United Airlines flights
SouthwestPriceFrom $178Free CancellationRating
7.9
4,284 reviews
Search Southwest flights
American AirlinesPriceFrom $188Free CancellationRating
7.1
11,645 reviews
Search American Airlines flights
Alaska AirlinesPriceFrom $199Free CancellationRating
7.9
12,383 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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Fri 6/19
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