How many flights depart from State of Washington to Missouri on average per day?

12 flights are operational daily from State of Washington to Missouri as of August 2025. The most popular departure time for this route is 6:00PM, with 46% of flights per day taking off in the afternoon.

What is the cheapest airline that flies from Washington to Missouri?

Frontier, United Airlines, and American Airlines are the most popular carriers operating from Washington to Missouri

How many flights depart from State of Washington to Missouri on average per week?

The number of flights available between State of Washington and Missouri is 85 per week as of August 2025. The most frequent departure day is Wed, with 28% of weekly flights leaving on this day.

How long is the flight from State of Washington to Missouri?

The flight from State of Washington to Missouri depends on which airports you’re departing and arriving from and whether or not you have a layover. If you fly from Seattle (a popular airport in State of Washington) to St. Louis (the most popular airport in Missouri), then the flight time is 3h 52m on average. If you fly from Spokane (another popular airport in State of Washington) to St. Louis, then the average flight time is 5h 34m.

What airlines fly to Missouri?

Alaska Airlines, Delta and American Airlines are the top three most popular airlines that fly to Missouri from State of Washington according to our data. Alaska Airlines is the first choice among our users, with 54% of people opting to fly with this airline when traveling to Missouri. Keep in mind that there are 8 different airlines that fly to Missouri on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Washington to Missouri?

Prices for flights from Washington to Missouri are refreshed on a daily basis.

How many operators does momondo search for flights from Washington to Missouri?

The number of operators available for flights from Washington to Missouri is 8 as of August 2025.

How old do you have to be to fly from Washington to Missouri?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington to Missouri.

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

The required travel and health documents for your Missouri trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Missouri. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$58 Cheap Flights from Washington to Missouri in 2025

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Find the cheapest flights from Washington to Missouri

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

6:05 am - 1:48 pmPDX-MCI

5h 43m1 stop

3:01 pm - 12:12 amMCI-PDX

11h 11m1 stop

$165Frontier

Find Deal

Mon, Sep 15 - Mon, Sep 22

6:12 am - 1:48 pmSEA-MCI

5h 36m1 stop

3:01 pm - 12:30 amMCI-SEA

11h 29m1 stop

$167Frontier

Find Deal

Mon, Sep 15 - Mon, Sep 22

5:30 am - 1:44 pmSEA-STL

6h 14m1 stop

2:15 pm - 10:06 pmSTL-SEA

9h 51m1 stop

$177Delta

Find Deal

Sat, Sep 20 - Tue, Sep 30

11:40 pm - 8:37 amSEA-STL

6h 57m1 stop

7:40 am - 2:39 pmSTL-SEA

8h 59m1 stop

$183Delta

Find Deal

Mon, Sep 15 - Tue, Sep 23

12:59 am - 12:37 pmSEA-STL

9h 38m1 stop

7:00 am - 1:10 pmSTL-SEA

8h 10m1 stop

$197American Airlines

Find Deal

Fri, Nov 7 - Tue, Nov 11

5:00 am - 12:40 pmPDX-MCI

5h 40m1 stop

3:23 pm - 10:25 pmMCI-PDX

9h 02m1 stop

$212United Airlines

Find Deal

Tue, Sep 9 - Tue, Sep 23

5:30 am - 4:09 pmPDX-MCI

8h 39m2 stops

5:15 pm - 9:01 pmMCI-PDX

5h 46m1 stop

$222United Airlines

Find Deal

Tue, Sep 9 - Tue, Sep 23

10:11 am - 8:25 pmSEA-STL

8h 14m1 stop

7:23 am - 1:59 pmSTL-SEA

8h 36m1 stop

$223American Airlines

Find Deal

Thu, Sep 11 - Wed, Sep 17

7:20 pm - 1:52 pmGEG-STL

16h 32m1 stop

2:55 pm - 8:59 pmSTL-GEG

8h 04m1 stop

$244Alaska Airlines

Find Deal

Tue, Jan 20 - Mon, Feb 2

1:24 pm - 11:59 pmPDX-STL

8h 35m1 stop

3:35 pm - 10:47 pmSTL-PDX

9h 12m1 stop

$249Alaska Airlines

Find Deal

Mon, Sep 22 - Sat, Sep 27

Frontier flights from State of Washington to Missouri

Our best Frontier deals on State of Washington to Missouri flight tickets

Frontier

Sep 15

PDX6:05 amPortland

5h 43m

1 stop

MCI1:48 pmKansas City

Sep 22

MCI3:01 pmKansas City

11h 11m

1 stop

PDX12:12 amPortland

$165

Find similar

Frontier

Sep 15

SEA6:12 amSeattle/Tacoma Intl

5h 36m

1 stop

MCI1:48 pmKansas City

Sep 22

MCI3:01 pmKansas City

11h 29m

1 stop

SEA12:30 amSeattle/Tacoma Intl

$167

Find similar

Frontier

Sep 8

PDX6:05 amPortland

5h 43m

1 stop

MCI1:48 pmKansas City

Sep 15

MCI3:01 pmKansas City

11h 11m

1 stop

PDX12:12 amPortland

$168

Find similar

Delta flights from State of Washington to Missouri

Our best Delta deals on State of Washington to Missouri flight tickets

Delta

Sep 20

SEA5:30 amSeattle/Tacoma Intl

6h 14m

1 stop

STL1:44 pmLambert-St Louis

Sep 30

STL2:15 pmLambert-St Louis

9h 51m

1 stop

SEA10:06 pmSeattle/Tacoma Intl

$177

Find similar

Delta

Sep 15

SEA11:40 pmSeattle/Tacoma Intl

6h 57m

1 stop

STL8:37 amLambert-St Louis

Sep 23

STL7:40 amLambert-St Louis

8h 59m

1 stop

SEA2:39 pmSeattle/Tacoma Intl

$183

Find similar

Delta

Sep 26

SEA11:40 pmSeattle/Tacoma Intl

6h 57m

1 stop

STL8:37 amLambert-St Louis

Oct 2

STL6:40 amLambert-St Louis

10h 00m

1 stop

SEA2:40 pmSeattle/Tacoma Intl

$189

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PortlandKansas City

PDX - MCI

PDXMCI

Portland

Mon 9/15

6:05 am-1:48 pm

1 stop5h 43m

Kansas City

Mon 9/22

3:01 pm-12:12 am

1 stop11h 11m

$165

SeattleKansas City

SEA - MCI

SEAMCI

Seattle/Tacoma Intl

Mon 9/15

6:12 am-1:48 pm

1 stop5h 36m

Kansas City

Mon 9/22

3:01 pm-12:30 am

1 stop11h 29m

$167

SeattleSt. Louis

SEA - STL

SEASTL

Seattle/Tacoma Intl

Sat 9/20

5:30 am-1:44 pm

1 stop6h 14m

Lambert-St Louis

Tue 9/30

2:15 pm-10:06 pm

1 stop9h 51m

$177

SeattleSt. Louis

SEA - STL

SEASTL

Seattle/Tacoma Intl

Mon 9/15

11:40 pm-8:37 am

1 stop6h 57m

Lambert-St Louis

Tue 9/23

7:40 am-2:39 pm

1 stop8h 59m

$183

SeattleSt. Louis

SEA - STL

SEASTL

Seattle/Tacoma Intl

Fri 11/7

12:59 am-12:37 pm

1 stop9h 38m

Lambert-St Louis

Tue 11/11

7:00 am-1:10 pm

1 stop8h 10m

$197

PortlandKansas City

PDX - MCI

PDXMCI

Portland

Tue 9/9

5:00 am-12:40 pm

1 stop5h 40m

Kansas City

Tue 9/23

3:23 pm-10:25 pm

1 stop9h 02m

$212

PortlandKansas City

PDX - MCI

PDXMCI

Portland

Tue 9/9

5:30 am-4:09 pm

2 stops8h 39m

Kansas City

Tue 9/23

5:15 pm-9:01 pm

1 stop5h 46m

$222

SeattleSt. Louis

SEA - STL

SEASTL

Seattle/Tacoma Intl

Thu 9/11

10:11 am-8:25 pm

1 stop8h 14m

Lambert-St Louis

Wed 9/17

7:23 am-1:59 pm

1 stop8h 36m

$223

SpokaneSt. Louis

GEG - STL

GEGSTL

Spokane

Tue 1/20

7:20 pm-1:52 pm

1 stop16h 32m

Lambert-St Louis

Mon 2/2

2:55 pm-8:59 pm

1 stop8h 04m

$244

PortlandSt. Louis

PDX - STL

PDXSTL

Portland

Mon 9/22

1:24 pm-11:59 pm

1 stop8h 35m

Lambert-St Louis

Sat 9/27

3:35 pm-10:47 pm

1 stop9h 12m

$249

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How to get the cheapest flight ticket from State of Washington 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

Prices

Airlines

Other information

What is the cheapest month to fly to Missouri?

In general, September is the cheapest month to fly from State of Washington to Missouri. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $316. If you aren’t able to travel to Missouri during the month of September, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $338.

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

The cheapest day to depart from State of Washington to Missouri is on a Thursday when prices can be found for as low as $396. Flights from State of Washington to Missouri on a Sunday will generally be more expensive and average around $487. 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 State of Washington 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 Washington to Missouri flight route?

Fly from Seattle/Tacoma Intl to Kansas City for the best Washington - 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 State of Washington when booking weeks ahead of your departure date. In general, you can expect to find flights to Missouri for around $393 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Missouri from State of Washington for as low as $313 on momondo.

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

There are 4 cabin classes available to choose from on Washington to Missouri flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap State of Washington to Missouri flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from State of Washington to Missouri

Best Price Found	$128
Fastest flight time	3h 20m
Direct flights	Every day
Airports in Missouri	1 airport

The best one-way flight to Missouri from State of Washington in the past 72 hours is $128. The best round-trip flight deal from State of Washington to Missouri found on momondo in the last 72 hours is $237.

The fastest flight from State of Washington to Missouri takes 3h 20m

Direct flights go from State of Washington to Missouri every day.

There is 1 airport near Missouri: Kansas City (MCI)

Search flight deals

When did momondo last update prices for flights from Washington to Missouri?
Prices for flights from Washington to Missouri are refreshed on a daily basis.
How many operators does momondo search for flights from Washington to Missouri?
The number of operators available for flights from Washington to Missouri is 8 as of August 2025.
How old do you have to be to fly from Washington to Missouri?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington to Missouri.
What documentation or ID do you need to fly to Missouri?
The required travel and health documents for your Missouri trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Missouri. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from State of Washington to Missouri?
momondo data reveals that the most frequently booked plane model on the route from State of Washington to Missouri is Boeing 737, representing 28.64% of all bookings. The subsequent popular models are Boeing 737 MAX 9 at 23.99%, Boeing 737-900 Passenger/BBJ3 (winglets) at 21.84%, and Boeing 737-800 Passenger/BBJ2 (winglets) at 15.37%.

Best airlines flying from State of Washington to Missouri

Compare and see reviews for airlines that fly from State of Washington to Missouri with momondo

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $118	Free Cancellation	Rating 5.8 3,207 reviews	Search Frontier flights
Delta	PriceFrom $137	Free Cancellation	Rating 7.9 7,982 reviews	Search Delta flights
Spirit Airlines	PriceFrom $168	Free Cancellation	Rating 6.3 8,039 reviews	Search Spirit Airlines flights
American Airlines	PriceFrom $186	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Southwest	PriceFrom $188	Free Cancellation	Rating 8.0 4,246 reviews	Search Southwest flights
Alaska Airlines	PriceFrom $210	Free Cancellation	Rating 8.0 10,000 reviews	Search Alaska Airlines flights
United Airlines	PriceFrom $216	Free Cancellation	Rating 7.4 8,928 reviews	Search United Airlines flights
Hawaiian Airlines	PriceFrom $217	Free Cancellation	Rating 7.8 2,668 reviews	Search Hawaiian Airlines flights

Why use momondo?

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

It is quick and easy to find Washington 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 Washington to Missouri with flexible booking policies on momondo?

Flights from Washington to Missouri with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search for Washington to Missouri 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 Washington to Missouri right now. Can momondo alert me if prices change?

Price alerts on flights to Missouri from Washington 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

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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Find better results for your trip to Missouri

Popular cities in Missouri

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Flights to Washington, D.C.from $52

Flights to Bostonfrom $47

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Flights to Dallasfrom $53

Flights to Seattlefrom $75

Cheap flights from Washington to Missouri from $58

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to Missouri departing on 10/7. 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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Big names and deals

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Filter for what you want

Trusted and free

Trusted and free

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Find the cheapest flights from Washington to Missouri

Cheap round-trip flights

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Frontier flights from State of Washington to Missouri

Our best Frontier deals on State of Washington to Missouri flight tickets

Delta flights from State of Washington to Missouri

Our best Delta deals on State of Washington to Missouri flight tickets

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Use the filters below to find and compare flights from Washington to Missouri that are best for you.

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How to get the cheapest flight ticket from State of Washington 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?

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

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

What is the cheapest Washington to Missouri flight route?

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

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

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

There are 4 cabin classes available to choose from on Washington to Missouri flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

What is the cheapest airline that flies from Washington to Missouri?

Frontier, United Airlines, and American Airlines are the most popular carriers operating from Washington to Missouri

What airlines fly to Missouri?

How many flights depart from State of Washington to Missouri on average per day?

12 flights are operational daily from State of Washington to Missouri as of August 2025. The most popular departure time for this route is 6:00PM, with 46% of flights per day taking off in the afternoon.

How many flights depart from State of Washington to Missouri on average per week?

The number of flights available between State of Washington and Missouri is 85 per week as of August 2025. The most frequent departure day is Wed, with 28% of weekly flights leaving on this day.

How long is the flight from State of Washington to Missouri?

Cheap State of Washington to Missouri flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from State of Washington to Missouri

Best Price Found

Fastest flight time

Direct flights

Airports in Missouri

When did momondo last update prices for flights from Washington to Missouri?

How many operators does momondo search for flights from Washington to Missouri?

How old do you have to be to fly from Washington to Missouri?

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

What is the most popular plane model from State of Washington to Missouri?

Best airlines flying from State of Washington to Missouri

Compare and see reviews for airlines that fly from State of Washington to Missouri with momondo

Why use momondo?

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

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

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

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

An easier way to manage your Missouri 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 Missouri

Popular cities in Missouri

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