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$55+ 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 4/23. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SEA
feb. 25 — mar. 41
mar. 2/25
mar. 3/4
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 febrero 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$140
(CheapOair)

One-way from

$55
(Frontier)

Good round-trip deal

$385 or less

Good one-way deal

$181 or less
Provider with most accurate pricing for Kansas City Downtown-Seattle/Tacoma Intl flight deals.
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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 febrero 20, 2025.

This CheapOair deal was found by Cheapflights users on 2/19. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 5/84:07 pmSTL - PDX
1 stop10h 31mFrontier
dom. 5/116:20 amPDX - STL
1 stop24h 49mFrontier
Deal found 2/19$140
This Cheapflightsfares deal was found by Cheapflights users on 2/20. 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.
mar. 3/1111:40 amMCI - PDX
1 stop8h 57mSpirit Airlines
mié. 3/127:32 pmPDX - MCI
1 stop13h 03mSpirit Airlines
Deal found 2/20$173
This Expedia deal was found by Cheapflights users on 2/18. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 3/197:03 pmSTL - PDX
1 stop7h 34mMultiple Airlines
mié. 4/21:25 pmPDX - STL
1 stop8h 34mMultiple Airlines
Deal found 2/18$194
This FlightHub deal was found by Cheapflights users on 2/20. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 5/118:08 pmMCI - PDX
1 stop14h 04mMultiple Airlines
lun. 5/196:20 amPDX - MCI
1 stop5h 04mMultiple Airlines
Deal found 2/20$195
This Frontier deal was found by Cheapflights users on 2/20. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 5/118:41 pmMCI - PDX
1 stop5h 57mFrontier
lun. 5/196:20 amPDX - MCI
1 stop11h 31mFrontier
Deal found 2/20$200
This Delta deal was found by Cheapflights users on 2/19. 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.
mié. 3/126:35 amMCI - SEA
Nonstop4h 08mDelta
vie. 3/285:30 pmSEA - MCI
Nonstop3h 30mDelta
Deal found 2/19$217
This CheapOair deal was found by Cheapflights users on 2/19. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 3/298:35 pmMCI - SEA
1 stop17h 27mMultiple Airlines
jue. 4/39:48 amSEA - MCI
1 stop26h 23mMultiple Airlines
Deal found 2/19$218
This Mytrip deal was found by Cheapflights users on 2/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 4/52:30 pmMCI - SEA
1 stop23h 26mFrontier
vie. 4/111:56 pmSEA - MCI
1 stop21h 44mFrontier
Deal found 2/19$222
This Delta deal was found by Cheapflights users on 2/19. 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.
jue. 4/32:20 pmSTL - PDX
1 stop5h 47mDelta
mar. 4/85:40 amPDX - STL
1 stop5h 39mDelta
Deal found 2/19$227
This United Airlines deal was found by Cheapflights users on 2/19. 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.
mar. 4/15:54 pmSTL - PDX
1 stop8h 36mUnited Airlines
lun. 4/711:30 pmPDX - STL
1 stop8h 28mUnited Airlines
Deal found 2/19$228
This Delta deal was found by Cheapflights users on 2/19. 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.
lun. 3/105:35 pmSTL - SEA
1 stop7h 57mDelta
vie. 3/145:30 amSEA - STL
1 stop5h 53mDelta
Deal found 2/19$229
This American Airlines deal was found by Cheapflights users on 2/20. 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.
dom. 3/306:29 pmSTL - SEA
1 stop6h 38mAmerican Airlines
mar. 4/112:59 amSEA - STL
1 stop7h 39mAmerican Airlines
Deal found 2/20$233

Find flights from Missouri to Washington within your budget

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 febrero 20, 2025.

Fly from

Missouri

Fly to

Washington

Route

Depart

Return

Price

St. LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

jue. 5/8

4:07 pm-12:38 am

1 stop10h 31m

Portland

dom. 5/11

6:20 am-9:09 am

1 stop24h 49m

$140

Kansas CityPortland

MCI - PDX

MCIPDX

Kansas City

mar. 3/11

11:40 am-6:37 pm

1 stop8h 57m

Portland

mié. 3/12

7:32 pm-10:35 am

1 stop13h 03m

$173

St. LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

mié. 3/19

7:03 pm-12:37 am

1 stop7h 34m

Portland

mié. 4/2

1:25 pm-11:59 pm

1 stop8h 34m

$194

Kansas CityPortland

MCI - PDX

MCIPDX

Kansas City

dom. 5/11

8:08 pm-8:12 am

1 stop14h 04m

Portland

lun. 5/19

6:20 am-1:24 pm

1 stop5h 04m

$195

Kansas CityPortland

MCI - PDX

MCIPDX

Kansas City

dom. 5/11

8:41 pm-12:38 am

1 stop5h 57m

Portland

lun. 5/19

6:20 am-7:51 pm

1 stop11h 31m

$200

Kansas CitySeattle

MCI - SEA

MCISEA

Kansas City

sáb. 3/8

6:45 am-8:55 am

Nonstop4h 10m

Seattle/Tacoma Intl

dom. 3/16

5:30 am-1:20 pm

1 stop5h 50m

$207

Kansas CitySeattle

MCI - SEA

MCISEA

Kansas City

dom. 4/27

8:40 pm-12:44 am

1 stop6h 04m

Seattle/Tacoma Intl

lun. 5/5

6:00 am-7:51 pm

1 stop11h 51m

$210

Kansas CitySeattle

MCI - SEA

MCISEA

Kansas City

sáb. 3/8

8:35 pm-11:02 am

1 stop16h 27m

Seattle/Tacoma Intl

lun. 3/17

12:41 pm-10:35 am

1 stop19h 54m

$218

Kansas CitySeattle

MCI - SEA

MCISEA

Kansas City

mar. 4/22

5:43 pm-11:09 pm

1 stop7h 26m

Seattle/Tacoma Intl

vie. 4/25

12:59 am-9:48 am

1 stop6h 49m

$222

St. LouisPortland

STL - PDX

STLPDX

Lambert-St Louis

jue. 4/3

2:20 pm-6:07 pm

1 stop5h 47m

Portland

mar. 4/8

5:40 am-1:19 pm

1 stop5h 39m

$227

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

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.

Travel insights for flights from Missouri to Washington

Get recent, data-driven insights about flights from Missouri to Washington including ideal travel times, pricing trends, and more.

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 febrero 20, 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 febrero 20, 2025.

The most flights from USMO to USWA are scheduled on a Monday (10 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (1 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 febrero 20, 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
4,411 reviews

Entertainment

7.6

Overall

8.1

Food

7.1

Crew

8.7

Boarding

8.2

Comfort

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Southwest
8.1
Very good
4,411 reviews
Southwest
8.1
Very good
4,411 reviews

Entertainment

7.6

Overall

8.1

Food

7.1

Crew

8.7

Boarding

8.2

Comfort

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Alaska Airlines
8.0
Very good
9,692 reviews
Southwest
8.1
Very good
4,411 reviews

Entertainment

7.6

Overall

8.1

Food

7.1

Crew

8.7

Boarding

8.2

Comfort

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Delta
8.0
Very good
8,220 reviews
Southwest
8.1
Very good
4,411 reviews

Entertainment

7.6

Overall

8.1

Food

7.1

Crew

8.7

Boarding

8.2

Comfort

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Hawaiian Airlines
7.9
Good
2,317 reviews
Southwest
8.1
Very good
4,411 reviews

Entertainment

7.6

Overall

8.1

Food

7.1

Crew

8.7

Boarding

8.2

Comfort

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

United Airlines
7.4
Good
8,766 reviews
Southwest
8.1
Very good
4,411 reviews

Entertainment

7.6

Overall

8.1

Food

7.1

Crew

8.7

Boarding

8.2

Comfort

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

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 Frontier. According to our data, you can fly for as low as $55. Users have also found prices from $79 and $83 on Delta and Spirit 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 7 airlines flying from Missouri to Washington

Discover the top 7 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 febrero 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$118Average$204FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$125Average$205FlexibilityNo cancel feeOn-time65%
DeltaCheapest$160Average$404FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$201Average$524FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$215Average$485FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$216Average$562FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$266Average$446FlexibilityNo cancel feeOn-time63%
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