How long does it take to fly to Seattle?

Flight times vary depending on what airport in Missouri you fly out of and what airport in Seattle you fly into. For example, flying from Kansas City to Seattle takes 3h 57m on average. On the other hand, flying from St. Louis to Seattle takes 4h 15m on average. Keep in mind that it’s always quicker to opt for a non-stop flight, so be sure to check momondo if there are any available for your route.

How many flights depart from Missouri to Seattle on average per day?

As of March 2026, there are 10 flights per day flying from Missouri to Seattle. The most common time of day flights depart is 7:00AM, with 72% of flights taking off at noon.

How many flights depart from Missouri to Seattle on average per week?

75 flights are operational weekly from Missouri to Seattle as of March 2026. The most popular departure day for this route is Wed, with 25% of flights per week taking off on this day.

What airlines fly to Seattle?

Alaska Airlines, Delta and American Airlines are the top three most popular airlines that fly to Seattle from Missouri according to our data. Alaska Airlines is the first choice among our users, with 63% of people opting to fly with this airline when traveling to Seattle. Keep in mind that there are 8 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Missouri to Seattle/Tacoma Intl?

Delta, United Airlines, and Alaska Airlines are the most popular carriers operating from Missouri to Seattle/Tacoma Intl

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

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

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

There are 8 operators available for flights from Missouri to Seattle/Tacoma Intl Airport as of March 2026.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Missouri to Seattle/Tacoma Intl Airport.

What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

The travel and health documents required for your trip to Seattle/Tacoma Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Seattle/Tacoma Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$80 Cheap Flights from Missouri to Seattle in 2026

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Find the cheapest flights from Missouri to Seattle

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

2:34 pm - 10:06 am

MCI

SEA

21h 32m

1 stop

7:41 pm - 1:00 pm

SEA

MCI

15h 19m

1 stop

$170Frontier

Tue, Jun 2 - Wed, Jun 10

2:34 pm - 10:06 am

MCI

SEA

21h 32m

1 stop

3:19 pm - 1:00 pm

SEA

MCI

19h 41m

1 stop

$184Frontier

Mon, Jun 1 - Wed, Jun 10

1:45 pm - 12:10 am

STL

SEA

12h 25m

1 stop

5:45 am - 6:10 pm

SEA

STL

10h 25m

2 stops

$195Southwest

Wed, Apr 15 - Sat, Apr 18

7:59 pm - 12:12 am

STL

SEA

6h 13m

1 stop

5:30 am - 5:16 pm

SEA

STL

9h 46m

1 stop

$199Delta

Thu, May 7 - Sat, May 16

5:30 am - 6:00 pm

STL

SEA

14h 30m

2 stops

5:45 am - 6:10 pm

SEA

STL

10h 25m

2 stops

$200Southwest

Tue, May 5 - Sat, May 9

2:20 pm - 6:30 pm

STL

SEA

6h 10m

1 stop

11:14 pm - 9:48 am

SEA

STL

8h 34m

1 stop

$203Delta

Tue, Apr 21 - Fri, May 1

5:21 pm - 12:36 am

STL

SEA

9h 15m

1 stop

3:17 pm - 11:46 pm

SEA

STL

6h 29m

1 stop

$209American Airlines

Mon, Apr 20 - Tue, Apr 28

2:49 pm - 10:36 am

SGF

SEA

21h 47m

1 stop

8:13 pm - 1:59 pm

SEA

SGF

15h 46m

1 stop

$338Multiple Airlines

Wed, Jun 3 - Tue, Jun 9

8:23 pm - 10:22 am

SGF

SEA

39h 59m

2 stops

11:37 am - 11:31 am

SEA

SGF

21h 54m

1 stop

$352Multiple Airlines

Fri, May 8 - Sun, May 17

4:28 pm - 12:36 am

COU

SEA

10h 08m

1 stop

11:58 pm - 10:00 am

SEA

COU

8h 02m

1 stop

$358American Airlines

Wed, May 13 - Mon, May 25

Frontier flights from Missouri to Seattle

Our best Frontier deals on Missouri to Seattle flight tickets

Frontier

Jun 2

MCI2:34 pmKansas City

21h 32m

1 stop

SEA10:06 amSeattle/Tacoma Intl

Jun 10

SEA7:41 pmSeattle/Tacoma Intl

15h 19m

1 stop

MCI1:00 pmKansas City

$170

Frontier

Jun 1

MCI2:34 pmKansas City

21h 32m

1 stop

SEA10:06 amSeattle/Tacoma Intl

Jun 10

SEA3:19 pmSeattle/Tacoma Intl

19h 41m

1 stop

MCI1:00 pmKansas City

$184

Frontier

Apr 20

STL8:17 pmLambert-St Louis

15h 10m

1 stop

SEA9:27 amSeattle/Tacoma Intl

Apr 29

SEA7:12 pmSeattle/Tacoma Intl

22h 09m

1 stop

STL7:21 pmLambert-St Louis

$196

Alaska Airlines flights from Missouri to Seattle

Our best Alaska Airlines deals on Missouri to Seattle flight tickets

Alaska Airlines

Apr 18

MCI6:15 amKansas City

4h 09m

SEA8:24 amSeattle/Tacoma Intl

Apr 25

SEA6:21 pmSeattle/Tacoma Intl

3h 38m

MCI11:59 pmKansas City

$293

Alaska Airlines

Apr 22

MCI7:00 amKansas City

4h 03m

SEA9:03 amSeattle/Tacoma Intl

Apr 28

SEA6:21 pmSeattle/Tacoma Intl

3h 38m

MCI11:59 pmKansas City

$297

Alaska Airlines

Apr 9

STL4:20 pmLambert-St Louis

4h 33m

SEA6:53 pmSeattle/Tacoma Intl

Apr 14

SEA6:02 pmSeattle/Tacoma Intl

3h 57m

STL11:59 pmLambert-St Louis

$412

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Kansas CitySeattle

MCI - SEA

MCISEA

Kansas City

Tue 6/2

2:34 pm-10:06 am

1 stop21h 32m

Seattle/Tacoma Intl

Wed 6/10

7:41 pm-1:00 pm

1 stop15h 19m

$170

Kansas CitySeattle

MCI - SEA

MCISEA

Kansas City

Mon 6/1

2:34 pm-10:06 am

1 stop21h 32m

Seattle/Tacoma Intl

Wed 6/10

3:19 pm-1:00 pm

1 stop19h 41m

$184

St. LouisSeattle

STL - SEA

STLSEA

Lambert-St Louis

Wed 4/15

1:45 pm-12:10 am

1 stop12h 25m

Seattle/Tacoma Intl

Sat 4/18

5:45 am-6:10 pm

2 stops10h 25m

$195

St. LouisSeattle

STL - SEA

STLSEA

Lambert-St Louis

Thu 5/7

7:59 pm-12:12 am

1 stop6h 13m

Seattle/Tacoma Intl

Sat 5/16

5:30 am-5:16 pm

1 stop9h 46m

$199

St. LouisSeattle

STL - SEA

STLSEA

Lambert-St Louis

Tue 5/5

5:30 am-6:00 pm

2 stops14h 30m

Seattle/Tacoma Intl

Sat 5/9

5:45 am-6:10 pm

2 stops10h 25m

$200

Quickest round-trip

St. LouisSeattle

STL - SEA

STLSEA

Lambert-St Louis

Tue 4/21

2:20 pm-6:30 pm

1 stop6h 10m

Seattle/Tacoma Intl

Fri 5/1

11:14 pm-9:48 am

1 stop8h 34m

$203

St. LouisSeattle

STL - SEA

STLSEA

Lambert-St Louis

Mon 4/20

5:21 pm-12:36 am

1 stop9h 15m

Seattle/Tacoma Intl

Tue 4/28

3:17 pm-11:46 pm

1 stop6h 29m

$209

SpringfieldSeattle

SGF - SEA

SGFSEA

Springfield-Branson

Wed 6/3

2:49 pm-10:36 am

1 stop21h 47m

Seattle/Tacoma Intl

Tue 6/9

8:13 pm-1:59 pm

1 stop15h 46m

$338

SpringfieldSeattle

SGF - SEA

SGFSEA

Springfield-Branson

Fri 5/8

8:23 pm-10:22 am

2 stops39h 59m

Seattle/Tacoma Intl

Sun 5/17

11:37 am-11:31 am

1 stop21h 54m

$352

ColumbiaSeattle

COU - SEA

COUSEA

Columbia Regional

Wed 5/13

4:28 pm-12:36 am

1 stop10h 08m

Seattle/Tacoma Intl

Mon 5/25

11:58 pm-10:00 am

1 stop8h 02m

$358

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Missouri to Seattle

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

Prices

Airlines

Other information

What is the cheapest month to fly to Seattle?

In general, February is the cheapest month to fly from Missouri to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $237. If you don’t want to visit Seattle in February, then you should wait until October to fly from Missouri, when ticket prices are also cheap, with an average price of $251.

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

On average, the least expensive day to fly to Seattle from Missouri is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $407. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from Missouri because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $532.

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

Flying to Seattle from Missouri in the evening is the least expensive time of day to depart. momondo users have found prices as low as $419 when looking at flights departing in the evening. Flights to Seattle are more costly in the morning, with an average ticket price of $496. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

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

Fly from Kansas City to Seattle/Tacoma Intl for the best Missouri - Seattle/Tacoma Intl flight prices

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

You are more likely to see cheaper flights to Seattle from Missouri when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $317 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Missouri for as low as $288 on momondo.

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

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

You could potentially save up to 13% on your flight if you consider stops on a Missouri to Seattle flight.

Cheap Missouri to Seattle flight deals and tips

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

Best Price Found	$188
Fastest flight time	3h 57m
Direct flights	Every day
Airports in Seattle	1 airport

The best one-way flight to Seattle from Missouri in the past 72 hours is $188. The best round-trip flight deal from Missouri to Seattle found on momondo in the last 72 hours is $318.

The fastest flight from Missouri to Seattle takes 3h 57m

Direct flights go from Missouri to Seattle every day.

There is 1 airport in Seattle. From Missouri there are direct flights to Seattle/Tacoma Intl (SEA).

Search flight deals

When did momondo last update prices for flights from Missouri to Seattle/Tacoma Intl Airport?
Prices for flights from Missouri to Seattle/Tacoma Intl Airport refresh daily.
How many operators does momondo search for flights from Missouri to Seattle/Tacoma Intl Airport?
There are 8 operators available for flights from Missouri to Seattle/Tacoma Intl Airport as of March 2026.
How old do you have to be to fly from Missouri to Seattle/Tacoma Intl Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Missouri to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The travel and health documents required for your trip to Seattle/Tacoma Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Seattle/Tacoma Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Missouri to Seattle?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Missouri to Seattle is Boeing 737 (53.16% of total bookings). The next most popular plane models are Boeing 737-900 Passenger/BBJ3 (winglets) (15.72%), Boeing 737-800 Passenger/BBJ2 (winglets) (12.14%), and Boeing 737 MAX 8 (9.65%).

Best airlines flying from Missouri to Seattle

Compare and see reviews for airlines that fly from Missouri to Seattle with momondo

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $89	Free Cancellation	Rating 5.7 3,015 reviews	Search Frontier flights
Delta	PriceFrom $94	Free Cancellation	Rating 7.9 8,331 reviews	Search Delta flights
Spirit Airlines	PriceFrom $119	Free Cancellation	Rating 6.3 8,546 reviews	Search Spirit Airlines flights
Southwest	PriceFrom $163	Free Cancellation	Rating 8.0 4,333 reviews	Search Southwest flights
Hawaiian Airlines	PriceFrom $169	Free Cancellation	Rating 7.8 2,839 reviews	Search Hawaiian Airlines flights
United Airlines	PriceFrom $178	Free Cancellation	Rating 7.4 9,484 reviews	Search United Airlines flights
American Airlines	PriceFrom $183	Free Cancellation	Rating 7.1 11,495 reviews	Search American Airlines flights
Alaska Airlines	PriceFrom $197	Free Cancellation	Rating 7.9 12,116 reviews	Search Alaska Airlines flights

Tacoma

Leavenworth

SeaTac

Ocean Shores

Renton

Olympia

Lynnwood

Kent

Redmond

Marysville

Puyallup

Lakewood

Cle Elum

Tukwila

Federal Way

Centralia

Fife

Westport

Kirkland

Tumwater

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Missouri to Seattle. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. momondo allows you to filter the results for Missouri to Seattle flights to just show those with flexible booking policies.

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

Once you have performed a search for Missouri to Seattle flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are simply researching potential flights to Seattle, momondo offers a useful price alert feature which will track prices for flights to Seattle from Missouri and alert you when they change.

An easier way to manage your Seattle trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Airports servicing Washington

Walla Walla Airport

Bellingham Airport

Wenatchee Pangborn Field Airport

Eastsound Orcas Island Airport

Friday Harbor SPB Airport

Spokane Airport

Kenmore Air Harbor Airport

Pasco Tri Cities Airport

Pullman Moscow Regional Airport

Rosario SPB Airport

Yakima Air Terminal Airport

Cheap flights from Missouri to Seattle from $80

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Missouri to Seattle departing on 6/9. 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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Frontier flights from Missouri to Seattle

Our best Frontier deals on Missouri to Seattle flight tickets

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Our best Alaska Airlines deals on Missouri to Seattle flight tickets

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See travel insights to Seattle from

How to get the cheapest flight ticket from Missouri to Seattle

What is the cheapest month to fly to Seattle?

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

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

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

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

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

Can stopping save me money on Missouri to Seattle flights?

What is the cheapest airline that flies from Missouri to Seattle/Tacoma Intl?

What airlines fly to Seattle?

How many flights depart from Missouri to Seattle on average per day?

How many flights depart from Missouri to Seattle on average per week?

How long does it take to fly to Seattle?

Cheap Missouri to Seattle flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

Airports in Seattle

Best airlines flying from Missouri to Seattle

Compare and see reviews for airlines that fly from Missouri to Seattle with momondo

Traveling to a place near Seattle?

Why use momondo?

An easier way to manage your Seattle trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Washington

Fly your favorite airline to Seattle

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Seattle

List of cabin classes available on flights landing in Seattle. Availability may vary depending on flight origin and airline.

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Popular flights according to clicks in the last 7 days on momondo

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