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

If you’re flying from a popular airport in Missouri, such as Kansas City or St. Louis, and flying into State of Washington, then you can expect flight times to average 3h 57m and 4h 15m, respectively.

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

As of May 2026, there are 14 flights per day flying from Missouri to State of Washington. The most common time of day flights depart is 7:00AM, with 65% of flights taking off at noon.

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

As of May 2026, there are 104 flights per week flying from Missouri to State of Washington. The most common day of the week flights depart is Fri, with 21% of flights taking off on this day.

What airlines fly to State of Washington?

Alaska Airlines, Delta and American Airlines are the top three most popular airlines that fly to State of Washington from Missouri according to our data. Alaska Airlines is the first choice among our users, with 62% of people opting to fly with this airline when traveling to State of Washington. Keep in mind that there are 7 different airlines that fly to State of Washington on a routine basis, so you have a few additional options to choose from.

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

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

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

Prices for flights from Missouri to Washington refresh daily.

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

As of May 2026, there are 7 operators available to choose from for flights from Missouri to Washington.

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

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 Washington.

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

The required travel and health documents for your Washington 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 Washington. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$108 Cheap Flights from Missouri to Washington in 2026

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Missouri to Washington

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

2:17 pm - 4:35 pm

MCI

PDX

28h 18m

1 stop

3:22 pm - 1:22 pm

PDX

MCI

20h 00m

1 stop

$228Frontier

Wed, Sep 16 - Sun, Sep 20

1:45 pm - 2:19 pm

MCI

SEA

26h 34m

1 stop

7:41 pm - 12:55 pm

SEA

MCI

15h 14m

1 stop

$239Frontier

Sun, Jul 26 - Wed, Jul 29

6:43 pm - 11:07 pm

SGF

PDX

6h 24m

1 stop

11:20 pm - 10:03 am

PDX

SGF

8h 43m

1 stop

$313American Airlines

Wed, Aug 12 - Sat, Aug 15

6:21 am - 10:53 am

STL

PDX

6h 32m

1 stop

5:24 pm - 12:43 am

PDX

STL

5h 19m

1 stop

$318Delta

Sat, Jun 6 - Thu, Jun 11

7:59 pm - 11:44 pm

STL

PDX

5h 45m

1 stop

5:24 pm - 12:43 am

PDX

STL

5h 19m

1 stop

$319Delta

Fri, Jun 5 - Thu, Jun 11

6:15 pm - 12:02 am

SGF

PDX

7h 47m

1 stop

6:56 am - 4:14 pm

PDX

SGF

7h 18m

1 stop

$331United Airlines

Thu, Oct 15 - Tue, Oct 20

1:53 pm - 5:46 pm

JLN

SEA

5h 53m

1 stop

8:30 am - 5:11 pm

SEA

JLN

6h 41m

1 stop

$344United Airlines

Wed, Oct 21 - Tue, Oct 27

7:30 pm - 12:50 am

SGF

PDX

7h 20m

1 stop

11:43 pm - 8:59 am

PDX

SGF

7h 16m

1 stop

$349American Airlines

Fri, Jun 5 - Mon, Jun 8

5:52 pm - 11:06 pm

MCI

GEG

7h 14m

1 stop

1:59 pm - 11:49 pm

GEG

MCI

7h 50m

1 stop

$357Alaska Airlines

Tue, Jun 2 - Wed, Jun 3

7:58 pm - 11:59 pm

MCI

GEG

6h 01m

1 stop

5:07 am - 1:21 pm

GEG

MCI

6h 14m

1 stop

$384Alaska Airlines

Thu, Aug 6 - Wed, Aug 12

United Airlines flights from Missouri to State of Washington

Our best United Airlines deals on Missouri to State of Washington flight tickets

United Airlines

May 26

STL7:23 pmLambert-St Louis

7h 50m

1 stop

SEA1:13 amSeattle/Tacoma Intl

May 28

SEA3:40 pmSeattle/Tacoma Intl

6h 17m

1 stop

STL11:57 pmLambert-St Louis

$293

United Airlines

Jul 7

STL7:23 pmLambert-St Louis

7h 50m

1 stop

SEA1:13 amSeattle/Tacoma Intl

Jul 14

SEA7:00 amSeattle/Tacoma Intl

6h 46m

1 stop

STL3:46 pmLambert-St Louis

$306

United Airlines

Jun 29

STL5:10 amLambert-St Louis

6h 50m

1 stop

SEA10:00 amSeattle/Tacoma Intl

Jul 2

SEA3:40 pmSeattle/Tacoma Intl

6h 17m

1 stop

STL11:57 pmLambert-St Louis

$308

Frontier flights from Missouri to State of Washington

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

Frontier

Sep 16

MCI2:17 pmKansas City

28h 18m

1 stop

PDX4:35 pmPortland

Sep 20

PDX3:22 pmPortland

20h 00m

1 stop

MCI1:22 pmKansas City

$228

Frontier

Jul 26

MCI1:45 pmKansas City

26h 34m

1 stop

SEA2:19 pmSeattle/Tacoma Intl

Jul 29

SEA7:41 pmSeattle/Tacoma Intl

15h 14m

1 stop

MCI12:55 pmKansas City

$239

Frontier

Oct 12

MCI2:17 pmKansas City

28h 18m

1 stop

PDX4:35 pmPortland

Oct 19

PDX12:34 pmPortland

22h 48m

1 stop

MCI1:22 pmKansas City

$248

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Kansas CityPortland

MCI - PDX

MCIPDX

Kansas City

Wed 9/16

2:17 pm-4:35 pm

1 stop28h 18m

Portland

Sun 9/20

3:22 pm-1:22 pm

1 stop20h 00m

$228

Kansas CitySeattle

MCI - SEA

MCISEA

Kansas City

Sun 7/26

1:45 pm-2:19 pm

1 stop26h 34m

Seattle/Tacoma Intl

Wed 7/29

7:41 pm-12:55 pm

1 stop15h 14m

$239

SpringfieldPortland

SGF - PDX

SGFPDX

Springfield-Branson

Wed 8/12

6:43 pm-11:07 pm

1 stop6h 24m

Portland

Sat 8/15

11:20 pm-10:03 am

1 stop8h 43m

$313

St. LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

Sat 6/6

6:21 am-10:53 am

1 stop6h 32m

Portland

Thu 6/11

5:24 pm-12:43 am

1 stop5h 19m

$318

Quickest round-trip

St. LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

Fri 6/5

7:59 pm-11:44 pm

1 stop5h 45m

Portland

Thu 6/11

5:24 pm-12:43 am

1 stop5h 19m

$319

SpringfieldPortland

SGF - PDX

SGFPDX

Springfield-Branson

Thu 10/15

6:15 pm-12:02 am

1 stop7h 47m

Portland

Tue 10/20

6:56 am-4:14 pm

1 stop7h 18m

$331

JoplinSeattle

JLN - SEA

JLNSEA

Joplin

Wed 10/21

1:53 pm-5:46 pm

1 stop5h 53m

Seattle/Tacoma Intl

Tue 10/27

8:30 am-5:11 pm

1 stop6h 41m

$344

SpringfieldPortland

SGF - PDX

SGFPDX

Springfield-Branson

Fri 6/5

7:30 pm-12:50 am

1 stop7h 20m

Portland

Mon 6/8

11:43 pm-8:59 am

1 stop7h 16m

$349

Kansas CitySpokane

MCI - GEG

MCIGEG

Kansas City

Tue 6/2

5:52 pm-11:06 pm

1 stop7h 14m

Spokane

Wed 6/3

1:59 pm-11:49 pm

1 stop7h 50m

$357

Kansas CitySpokane

MCI - GEG

MCIGEG

Kansas City

Thu 8/6

7:58 pm-11:59 pm

1 stop6h 01m

Spokane

Wed 8/12

5:07 am-1:21 pm

1 stop6h 14m

$384

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 State of Washington

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 State of Washington?

The month of March is, on average, the cheapest month to fly to State of Washington from Missouri, with most prices found around $80. If you aren’t able to travel to State of Washington during the month of March, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $88.

What is the cheapest day to depart on your flight to State of Washington?

The cheapest day to depart from Missouri to State of Washington is on a Tuesday. Travelers who choose to depart for State of Washington on a Tuesday will often find tickets for as low as $412. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Missouri to State of Washington for around $496.

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

The cheapest time of day to fly to State of Washington is in the afternoon when flights can be purchased for as low as $409. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $491 on average. Flights to State of Washington from Missouri in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Missouri to Washington flight route?

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

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

You are more likely to see cheaper flights to State of Washington from Missouri when booking weeks ahead of your departure date. In general, you can expect to find flights to State of Washington for around $323 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to State of Washington from Missouri for as low as $300 on momondo.

Can stopping save me money on Missouri to State of Washington flights?

You could potentially save up to 8% on your flight if you consider stops on a Missouri to State of Washington flight.

Cheap Missouri to State of Washington flight deals and tips

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

Best Price Found	$228
Fastest flight time	3h 35m
Direct flights	Every day
Airports in State of Washington	96 airports

The best one-way flight to State of Washington from Missouri in the past 72 hours is $228. The best round-trip flight deal from Missouri to State of Washington found on momondo in the last 72 hours is $405.

The fastest flight from Missouri to State of Washington takes 3h 35m

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

There are 96 airports in State of Washington. From Missouri there are direct flights to Portland (PDX), Seattle/Tacoma Intl (SEA).

Search flight deals

Frequently asked questions about flying from Missouri to Washington

When did momondo last update prices for flights from Missouri to Washington?
Prices for flights from Missouri to Washington refresh daily.
How many operators does momondo search for flights from Missouri to Washington?
As of May 2026, there are 7 operators available to choose from for flights from Missouri to Washington.
How old do you have to be to fly from Missouri to Washington?
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 Washington.
What documentation or ID do you need to fly to Washington?
The required travel and health documents for your Washington 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 Washington. 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 Missouri to State of Washington?
momondo data reveals that the most frequently booked plane model on the route from Missouri to State of Washington is Boeing 737, representing 53.52% of all bookings. The subsequent popular models are Boeing 737-800 Passenger/BBJ2 (winglets) at 17.06%, Boeing 737-900 Passenger/BBJ3 (winglets) at 11.28%, and Boeing 737 MAX 8 at 9.19%.

Best airlines flying from Missouri to State of Washington

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

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $94	Free Cancellation	Rating 7.9 8,453 reviews	Search Delta flights
Frontier	PriceFrom $113	Free Cancellation	Rating 5.6 2,951 reviews	Search Frontier flights
Alaska Airlines	PriceFrom $151	Free Cancellation	Rating 7.9 12,367 reviews	Search Alaska Airlines flights
Southwest	PriceFrom $152	Free Cancellation	Rating 8.0 4,299 reviews	Search Southwest flights
United Airlines	PriceFrom $164	Free Cancellation	Rating 7.4 9,723 reviews	Search United Airlines flights
Hawaiian Airlines	PriceFrom $169	Free Cancellation	Rating 7.8 2,837 reviews	Search Hawaiian Airlines flights
American Airlines	PriceFrom $188	Free Cancellation	Rating 7.1 11,662 reviews	Search American Airlines flights

Why use momondo?

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

Finding the right flight to Washington from Missouri is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Washington quick and easy, saving you time and money.

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

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

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

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 Washington from Missouri.

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

Price alerts on flights to Washington from Missouri 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 State of Washington 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.

Start using Trips

Find my bookings

Get notified when prices go down

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

1 adult

Mon 6/15

Mon 6/22

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Washington

Popular cities

Other flights from Missouri

Other flights to Washington

Airlines

Complete your trip

Feeling lucky

Popular cities in Washington

Flights to New Yorkfrom $83

Flights to Los Angelesfrom $51

Flights to Orlandofrom $53

Flights to Miamifrom $56

Flights to Chicagofrom $60

Flights to San Franciscofrom $56

Flights to Las Vegasfrom $49

Flights to Washington, D.C.from $55

Flights to Bostonfrom $74

Flights to Atlantafrom $54

Flights to Fort Lauderdalefrom $55

Flights to Dallasfrom $88

Cheap flights from Missouri to Washington from $100

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 Washington departing on 6/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Missouri to Washington

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

United Airlines flights from Missouri to State of Washington

Our best United Airlines deals on Missouri to State of Washington flight tickets

Frontier flights from Missouri to State of Washington

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

momondo Fare Finder

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

See travel insights to Washington from

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

What is the cheapest month to fly to State of Washington?

What is the cheapest day to depart on your flight to State of Washington?

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

What is the cheapest Missouri to Washington flight route?

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

Can stopping save me money on Missouri to State of Washington flights?

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

What airlines fly to State of Washington?

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

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

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

Cheap Missouri to State of Washington flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

Airports in State of Washington

Frequently asked questions about flying from Missouri to Washington

Best airlines flying from Missouri to State of Washington

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

Why use momondo?

An easier way to manage your State of Washington 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 Washington

Popular cities in Washington

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

Missouri flight routes

According to popular flight searches on momondo this year

State of Washington flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Washington

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

Complete your trip to Washington

Explore popular destinations other users love

According to popular flight searches on momondo this year