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$83+ Cheap flights from Missouri to Washington

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/2. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SEA
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
1 adult, Economy
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Cheap flight deals from Missouri to Washington

Keep the following information in mind while searching for Missouri to Washington flight deals. Data was last updated March 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$191
(Cheapflightsfares)

One-way from

$83
(Cheapflightsfares)

Good round-trip deal

$326 or less

Good one-way deal

$189 or less
Provider with most accurate pricing for Kansas City Downtown-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for Kansas City Downtown-Seattle/Tacoma Intl flights.
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From Missouri to Washington
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One-way flight from Missouri to Washington
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Price to beat on a round-trip flight from Missouri to Washington.
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Price to beat on a one-way flight from Missouri to Washington.
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Find flight deals from Missouri to Washington

Cheapest flights from Missouri to Washington
Explore the most affordable flight options available from Missouri to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 28, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/136:45 pmMCI - SEA
1 stop7h 25mSpirit Airlines
Tue 5/206:00 amSEA - MCI
1 stop9h 45mSpirit Airlines
Deal found 3/27$191
This Southwest deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/143:25 pmSTL - SEA
1 stop10h 45mSouthwest
Thu 6/1910:40 pmSEA - STL
1 stop9h 35mSouthwest
Deal found 3/25$194
This American Airlines deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/269:41 amSTL - SEA
1 stop7h 56mAmerican Airlines
Fri 5/212:59 amSEA - STL
1 stop7h 26mAmerican Airlines
Deal found 3/27$203
This Orbitz deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/136:45 pmMCI - SEA
1 stop7h 25mMultiple Airlines
Tue 5/206:05 pmSEA - MCI
Nonstop3h 33mMultiple Airlines
Deal found 3/27$215
This United Airlines deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/305:23 pmMCI - SEA
1 stop7h 37mUnited Airlines
Mon 5/53:25 pmSEA - MCI
1 stop6h 19mUnited Airlines
Deal found 3/26$217
This United Airlines deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/245:54 pmSTL - SEA
1 stop9h 04mUnited Airlines
Mon 4/2811:59 pmSEA - STL
1 stop7h 57mUnited Airlines
Deal found 3/26$217
This Delta deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/217:15 pmSTL - SEA
1 stop6h 47mDelta
Wed 4/233:15 pmSEA - STL
1 stop6h 19mDelta
Deal found 3/25$224
This Delta deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/137:19 pmSTL - PDX
1 stop6h 23mDelta
Mon 5/195:00 pmPDX - STL
1 stop5h 59mDelta
Deal found 3/26$227
This American Airlines deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/216:20 pmSTL - PDX
1 stop7h 42mAmerican Airlines
Fri 4/2511:52 pmPDX - STL
1 stop7h 30mAmerican Airlines
Deal found 3/26$229
This American Airlines deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/264:29 pmSGF - PDX
1 stop8h 33mAmerican Airlines
Sat 5/311:59 pmPDX - SGF
1 stop6h 41mAmerican Airlines
Deal found 3/27$229
This United Airlines deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/293:01 pmSGF - PDX
1 stop10h 13mUnited Airlines
Tue 5/67:54 amPDX - SGF
2 stops10h 35mUnited Airlines
Deal found 3/26$234
This Delta deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/306:40 amMCI - SEA
Nonstop4h 06mDelta
Tue 5/135:30 pmSEA - MCI
Nonstop3h 38mDelta
Deal found 3/27$237

Cheapflights Fare Finder

Customize your flight search to find flights from Missouri to Washington 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, Cheapflights users made 2,558,603 searches. Data last updated March 28, 2025.
Use the filters below to find and compare flights from Missouri to Washington that are best for you.

Fly from

Missouri

Fly to

Washington

Route

Depart

Return

Price

Kansas CitySeattle

MCI - SEA

MCISEA

Kansas City

Tue 5/13

6:45 pm-12:10 am

1 stop7h 25m

Seattle/Tacoma Intl

Tue 5/20

6:00 am-5:45 pm

1 stop9h 45m

$191

St. LouisSeattle

STL - SEA

STLSEA

Lambert-St Louis

Sat 4/26

9:41 am-3:37 pm

1 stop7h 56m

Seattle/Tacoma Intl

Fri 5/2

12:59 am-10:25 am

1 stop7h 26m

$203

Kansas CitySeattle

MCI - SEA

MCISEA

Kansas City

Tue 5/13

6:45 pm-12:10 am

1 stop7h 25m

Seattle/Tacoma Intl

Tue 5/20

6:05 pm-11:38 pm

Nonstop3h 33m

$215

Kansas CitySeattle

MCI - SEA

MCISEA

Kansas City

Wed 4/30

5:23 pm-11:00 pm

1 stop7h 37m

Seattle/Tacoma Intl

Mon 5/5

3:25 pm-11:44 pm

1 stop6h 19m

$217

St. LouisSeattle

STL - SEA

STLSEA

Lambert-St Louis

Fri 5/2

5:29 pm-10:42 pm

1 stop7h 13m

Seattle/Tacoma Intl

Mon 5/5

10:55 pm-9:56 am

1 stop9h 01m

$217

St. LouisSeattle

STL - SEA

STLSEA

Lambert-St Louis

Mon 4/21

7:15 pm-12:02 am

1 stop6h 47m

Seattle/Tacoma Intl

Wed 4/23

3:15 pm-11:34 pm

1 stop6h 19m

$224

St. LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

Tue 5/13

7:19 pm-11:42 pm

1 stop6h 23m

Portland

Wed 5/21

5:00 pm-12:33 am

1 stop5h 33m

$227

St. LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

Mon 4/21

6:20 pm-12:02 am

1 stop7h 42m

Portland

Fri 4/25

11:52 pm-9:22 am

1 stop7h 30m

$229

SpringfieldPortland

SGF - PDX

SGFPDX

Springfield-Branson

Sat 4/26

4:29 pm-11:02 pm

1 stop8h 33m

Portland

Sat 5/3

11:59 pm-8:40 am

1 stop6h 41m

$229

SpringfieldPortland

SGF - PDX

SGFPDX

Springfield-Branson

Tue 4/29

3:01 pm-11:14 pm

1 stop10h 13m

Portland

Tue 5/6

7:54 am-8:29 pm

2 stops10h 35m

$234

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Showing 1-10 of 60 results
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Best time to book a flight from Missouri to Washington

Have a flexible travel schedule? Discover the best time to fly to Washington from Missouri with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Missouri to Washington

What is the cheapest month to book a flight from Missouri to State of Washington?

Currently, January is the cheapest month in which you can book a flight from Missouri to State of Washington (average of $238). Flying from Missouri to State of Washington in July is currently the most expensive (average of $411). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from MO to WA?

Find hourly flight availability from Missouri to Washington. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 28, 2025.

When flying from Missouri to State of Washington, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Missouri to State of Washington

Explore weekly flight availability from Missouri to Washington. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated March 28, 2025.

The most flights from USMO to USWA are scheduled on a Wednesday (13 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (3 on average).

Rainfall in Washington by month

Plan your trip to Washington by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in State of Washington ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit State of Washington when rainfall is around 0.7 in.

Temperature in Washington by month

Plan your trip to Washington by taking into account the average temperature totals by month.

If weather is an important factor for your trip to State of Washington, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Washington

Get insights into the airlines that provide service to Washington. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Washington. Reviews last updated March 28, 2025.
Read reviews from past customers who have flown Southwest, Alaska Airlines and Delta from Missouri to Washington. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,273 reviews

Entertainment

7.6

Comfort

8.1

Overall

8.1

Boarding

8.2

Food

7.1

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.1
Very good
4,273 reviews
Southwest
8.1
Very good
4,273 reviews

Entertainment

7.6

Comfort

8.1

Overall

8.1

Boarding

8.2

Food

7.1

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Alaska Airlines
8.0
Very good
9,798 reviews
Southwest
8.1
Very good
4,273 reviews

Entertainment

7.6

Comfort

8.1

Overall

8.1

Boarding

8.2

Food

7.1

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Delta
8.0
Very good
7,896 reviews
Southwest
8.1
Very good
4,273 reviews

Entertainment

7.6

Comfort

8.1

Overall

8.1

Boarding

8.2

Food

7.1

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Hawaiian Airlines
7.9
Good
2,336 reviews
Southwest
8.1
Very good
4,273 reviews

Entertainment

7.6

Comfort

8.1

Overall

8.1

Boarding

8.2

Food

7.1

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
United Airlines
7.4
Good
8,603 reviews
Southwest
8.1
Very good
4,273 reviews

Entertainment

7.6

Comfort

8.1

Overall

8.1

Boarding

8.2

Food

7.1

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Related info for your journey

Find useful and relevant information for your journey from Missouri to Washington. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How popular is this Missouri to State of Washington flight route?

    Flights from Missouri to Washington have been viewed 43 times in the past calendar month.

  • What are the cheapest airlines to fly from Missouri to State of Washington one-way?

    For one-way options, check prices for Spirit Airlines. According to our data, you can fly for as low as $83. Users have also found prices from $100 and $109 on Southwest and United Airlines, respectively.

  • Can I find deals for flights from Missouri to Washington that include hotel bookings?

    Yes. In addition to deals on Missouri to Washington flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Missouri to Washington?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Missouri to Washington.

  • Can I find deals for business class flights from Missouri to Washington?

    Yes. Cheapflights offers flight deals from Missouri to Washington by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Missouri to State of Washington?

    Currently, January is the cheapest month in which you can book a flight from Missouri to State of Washington (average of $238). Flying from Missouri to State of Washington in July is currently the most expensive (average of $411). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Missouri to Washington

See prices for flight routes from nearby airports that may be better suited for you.
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Top 8 airlines flying from Missouri to Washington

Discover the top 8 airlines that operate flights from Missouri to Washington. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$116Average$185FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$118Average$386FlexibilityNo cancel feeOn-time85%
Spirit AirlinesCheapest$133Average$239FlexibilityNo cancel feeOn-time65%
DeltaCheapest$137Average$392FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$201Average$552FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$208Average$490FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$216Average$539FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$266Average$472FlexibilityNo cancel feeOn-time63%
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