Cheap flights from Missouri to Seattle (SEA) from $89

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 8/19. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
STL — SEA
jun. 11 — jun. 181

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

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 37 days in advance, which can save you up to 10% on flights from Missouri to Seattle compared to booking the week you need them. Waiting 37 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $278. For sooner than that we have options available in the next 3 days from $419.

What is the cheapest month to fly from Missouri to Seattle?

The best pricing can be found in the month of January. Prices to Seattle from Missouri average $345. You can even find prices in January for less than $345, as users have found deals to Seattle from as low as $156. The month of July appears to be one of the more expensive times to travel to Seattle from Missouri. Flying in the targeted month can save you up to 47%.

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Missouri to Seattle as you normally would.

Cheap Missouri to Seattle flights in June & July 2024

Find cheap flight options from Missouri to Seattle specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,050,429 searches. Prices were last updated on junio 6, 2024.
These are some of the most attractive deals on flights from Missouri to Seattle in 2024. Check back in a little while for more flight options.
mié. 7/249:45 pmMCI - SEA
1 stop20h 30mSpirit Airlines
mar. 7/3010:10 pmSEA - MCI
1 stop6h 02mSpirit Airlines
Deal found 6/4$197
mié. 7/107:02 amMCI - SEA
1 stop19h 33mSpirit Airlines
mié. 7/175:10 amSEA - MCI
1 stop9h 00mSpirit Airlines
Deal found 6/5$198
mié. 7/1012:23 pmSTL - SEA
1 stop7h 28mFrontier
jue. 7/119:45 pmSEA - STL
1 stop12h 01mFrontier
Deal found 6/6$199
mar. 7/238:58 pmMCI - SEA
1 stop21h 17mSpirit Airlines
vie. 7/265:10 amSEA - MCI
1 stop23h 02mSpirit Airlines
Deal found 6/6$201
dom. 6/233:37 pmSTL - SEA
1 stop17h 29mFrontier
sáb. 6/299:00 amSEA - STL
1 stop10h 00mFrontier
Deal found 6/6$201
mié. 7/1012:23 pmSTL - SEA
1 stop7h 28mFrontier
vie. 7/129:46 pmSEA - STL
1 stop16h 52mFrontier
Deal found 6/6$202
lun. 7/1512:41 pmSTL - SEA
1 stop8h 52mMultiple Airlines
mié. 7/245:10 amSEA - STL
1 stop7h 56mMultiple Airlines
Deal found 6/5$205
mié. 7/107:02 amMCI - SEA
1 stop14h 58mSpirit Airlines
mié. 7/175:10 amSEA - MCI
1 stop9h 00mSpirit Airlines
Deal found 6/6$207
dom. 6/237:29 pmSTL - SEA
2 stops27h 44mFrontier
sáb. 6/299:00 amSEA - STL
1 stop10h 00mFrontier
Deal found 6/6$208

Missouri to Seattle 2024 flight deals

Discover exclusive flight deals for travel between Missouri and Seattle in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,050,429 searches. Data last updated junio 6, 2024.
These are some of the most attractive deals on flights from Missouri to Seattle in 2024. Check back in a little while for more flight options.
mié. 9/117:45 pmMCI - SEA
1 stop14h 52mFrontier
mié. 9/189:37 amSEA - MCI
1 stop21h 03mFrontier
Deal found 6/4$137
mié. 9/45:45 amMCI - SEA
1 stop28h 29mSpirit Airlines
mié. 9/116:37 pmSEA - MCI
1 stop8h 09mSpirit Airlines
Deal found 6/6$143
mar. 8/137:29 pmSTL - SEA
1 stop25h 32mMultiple Airlines
mar. 8/277:23 pmSEA - STL
1 stop15h 35mMultiple Airlines
Deal found 6/4$147
mié. 9/45:45 amMCI - SEA
1 stop28h 29mSpirit Airlines
mié. 9/112:21 pmSEA - MCI
1 stop12h 25mSpirit Airlines
Deal found 6/5$149
mar. 9/247:45 pmMCI - SEA
1 stop27h 26mFrontier
vie. 9/2710:08 pmSEA - MCI
1 stop8h 32mFrontier
Deal found 6/5$150
mar. 8/207:29 pmSTL - SEA
1 stop17h 19mMultiple Airlines
mar. 8/277:23 pmSEA - STL
1 stop15h 35mMultiple Airlines
Deal found 6/5$150
sáb. 9/75:45 amMCI - SEA
1 stop28h 29mSpirit Airlines
mié. 9/112:21 pmSEA - MCI
1 stop12h 25mSpirit Airlines
Deal found 6/5$155
mar. 9/108:00 amSTL - SEA
1 stop14h 21mSpirit Airlines
lun. 9/169:12 pmSEA - STL
1 stop16h 29mSpirit Airlines
Deal found 6/5$159
mié. 9/45:45 amMCI - SEA
1 stop28h 29mSpirit Airlines
mié. 9/119:14 amSEA - MCI
2 stops17h 32mSpirit Airlines
Deal found 6/5$162

Missouri to Seattle flights leaving soon

Find last-minute flight options from Missouri to Seattle for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 3,050,429 searches. Data last updated junio 6, 2024.
Have a look at some of the flights available from Missouri to Seattle departing last-minute. Users should examine the flight details to ensure there are no surprises.
sáb. 6/158:41 amMCI - SEA
1 stop26h 29mFrontier
mar. 6/188:12 pmSEA - MCI
1 stop21h 04mFrontier
Deal found 6/6$232
sáb. 6/158:02 pmSTL - SEA
1 stop15h 08mFrontier
jue. 6/209:42 pmSEA - STL
1 stop12h 12mFrontier
Deal found 6/5$249
vie. 6/145:31 pmSTL - SEA
1 stop6h 52mUnited Airlines
dom. 6/167:00 amSEA - STL
1 stop6h 41mUnited Airlines
Deal found 6/6$276
jue. 6/133:32 pmSTL - SEA
1 stop17h 34mFrontier
jue. 6/209:42 pmSEA - STL
1 stop12h 12mFrontier
Deal found 6/5$279
dom. 6/166:30 amSTL - SEA
1 stop18h 24mMultiple Airlines
jue. 6/209:42 pmSEA - STL
1 stop12h 12mMultiple Airlines
Deal found 6/5$280
mié. 6/128:02 pmSTL - SEA
1 stop16h 24mFrontier
sáb. 6/1510:26 pmSEA - STL
1 stop14h 11mFrontier
Deal found 6/5$296
jue. 6/133:32 pmSTL - SEA
1 stop17h 34mFrontier
lun. 6/1710:03 pmSEA - STL
1 stop10h 39mFrontier
Deal found 6/5$298
mar. 6/114:55 pmSTL - SEA
1 stop7h 48mUnited Airlines
mar. 6/185:05 amSEA - STL
1 stop5h 41mUnited Airlines
Deal found 6/6$302
vie. 6/145:36 pmSTL - SEA
1 stop18h 50mFrontier
lun. 6/1710:03 pmSEA - STL
1 stop10h 39mFrontier
Deal found 6/4$306

One-way flights to Seattle from Missouri

Search for one-way flight options from Missouri to Seattle. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,050,429 searches. Data last updated junio 6, 2024.
If you're seeking multiple options on one-way flights from Missouri to Seattle, be sure to check out these deals, which are updated often. Those seeking round-trip flights from Missouri to Seattle should utilize the search form at the the top of the page.
lun. 8/197:45 pmMCI - SEA
1 stop14h 52mFrontier
Deal found 6/5$89
mié. 7/107:02 amMCI - SEA
1 stop14h 58mSpirit Airlines
Deal found 6/5$104
mar. 6/256:25 pmSTL - SEA
1 stop7h 34mDelta
Deal found 6/5$113
jue. 7/118:57 pmSTL - SEA
1 stop12h 08mFrontier
Deal found 6/4$116
jue. 7/119:44 pmSTL - SEA
1 stop12h 55mFrontier
Deal found 6/5$120
dom. 6/237:29 pmSTL - SEA
1 stop15h 08mFrontier
Deal found 6/4$121
mar. 6/183:23 pmSTL - SEA
2 stops19h 09mSpirit Airlines
Deal found 6/6$124
mar. 7/1610:32 pmSTL - SEA
2 stops16h 02mFrontier
Deal found 6/5$125
lun. 6/241:26 pmMCI - SEA
1 stop21h 13mFrontier
Deal found 6/5$126

Find flights from Missouri to Seattle within your budget

Customize your flight search to find flights from Missouri to Seattle 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 3,050,429 searches. Data last updated junio 6, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$137 - $296

Route

Depart

Return

Price

Kansas CitySeattle/Tacoma Intl

MCI - SEA

MCISEA

Kansas City

mié. 9/11

1 stop14h 52m

Seattle/Tacoma Intl

mié. 9/18

1 stop21h 03m

$137

Kansas CitySeattle/Tacoma Intl

MCI - SEA

MCISEA

Kansas City

mié. 9/4

1 stop28h 29m

Seattle/Tacoma Intl

mié. 9/11

1 stop8h 09m

$143

Kansas CitySeattle/Tacoma Intl

MCI - SEA

MCISEA

Kansas City

mié. 9/4

1 stop28h 29m

Seattle/Tacoma Intl

mié. 9/11

1 stop12h 25m

$149

Kansas CitySeattle/Tacoma Intl

MCI - SEA

MCISEA

Kansas City

mié. 9/11

1 stop9h 45m

Seattle/Tacoma Intl

mié. 9/18

Nonstop3h 24m

$177

Kansas CitySeattle/Tacoma Intl

MCI - SEA

MCISEA

Kansas City

mar. 9/24

Nonstop3h 55m

Seattle/Tacoma Intl

mié. 9/25

Nonstop3h 24m

$236

Lambert-St LouisSeattle/Tacoma Intl

STL - SEA

STLSEA

Lambert-St Louis

mar. 8/6

1 stop7h 39m

Seattle/Tacoma Intl

lun. 8/12

1 stop6h 43m

$272

Lambert-St LouisSeattle/Tacoma Intl

STL - SEA

STLSEA

Lambert-St Louis

mar. 8/20

1 stop5h 49m

Seattle/Tacoma Intl

lun. 8/26

1 stop7h 58m

$283

Kansas CitySeattle/Tacoma Intl

MCI - SEA

MCISEA

Kansas City

lun. 7/8

1 stop18h 42m

Seattle/Tacoma Intl

jue. 7/11

1 stop8h 45m

$295

Kansas CitySeattle/Tacoma Intl

MCI - SEA

MCISEA

Kansas City

sáb. 9/21

1 stop9h 53m

Seattle/Tacoma Intl

jue. 9/26

1 stop8h 05m

$296

Flights are sorted by cheapest first

Deals found on 6/4

No data available for this route at this time. Please check back soon.

Best time to book a flight from Missouri to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle 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.

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated junio 6, 2024.
Peruse reviews from past customers who have flown with Frontier, Alaska Airlines and United Airlines from Missouri to Seattle to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.1
Very good
9,222 reviews

Food

7.3

Comfort

7.9

Boarding

8.2

Crew

8.6

Entertainment

7.3

Overall

8.1

Reviews

1 / 10

There were no major issues. A bit of delay but it was understandable. It was a good experience otherwise.

8.1
Very good
9,222 reviews
8.1
Very good
9,222 reviews

Food

7.3

Comfort

7.9

Boarding

8.2

Crew

8.6

Entertainment

7.3

Overall

8.1

Reviews

1 / 10

There were no major issues. A bit of delay but it was understandable. It was a good experience otherwise.

8.0
Very good
10,368 reviews
8.1
Very good
9,222 reviews

Food

7.3

Comfort

7.9

Boarding

8.2

Crew

8.6

Entertainment

7.3

Overall

8.1

Reviews

1 / 10

There were no major issues. A bit of delay but it was understandable. It was a good experience otherwise.

7.4
Good
10,696 reviews
8.1
Very good
9,222 reviews

Food

7.3

Comfort

7.9

Boarding

8.2

Crew

8.6

Entertainment

7.3

Overall

8.1

Reviews

1 / 10

There were no major issues. A bit of delay but it was understandable. It was a good experience otherwise.

7.3
Good
14,227 reviews
8.1
Very good
9,222 reviews

Food

7.3

Comfort

7.9

Boarding

8.2

Crew

8.6

Entertainment

7.3

Overall

8.1

Reviews

1 / 10

There were no major issues. A bit of delay but it was understandable. It was a good experience otherwise.

7.2
Good
593 reviews
8.1
Very good
9,222 reviews

Food

7.3

Comfort

7.9

Boarding

8.2

Crew

8.6

Entertainment

7.3

Overall

8.1

Reviews

1 / 10

There were no major issues. A bit of delay but it was understandable. It was a good experience otherwise.

Related info for your journey

Find useful and relevant information for your journey from Missouri to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly into for flights to Seattle from Missouri?

    Seattle/Tacoma Intl (SEA), located 11.4 mi from the city center, is the airport you fly into when you book flights from Missouri to Seattle.

  • Can I find flights from Missouri to Seattle for under $200 on Cheapflights?

    Yes, there are multiple flights from Missouri to Seattle for under $200. The cheapest flight booked recently is on Frontier for just $137, but on average you can expect to pay $171.

  • Are there nonstop flights from Missouri to Seattle for under $300 on Cheapflights?

    Cheapflights has at least 20 direct flights from Missouri to Seattle under $300. A good price for a nonstop flight from Missouri to Seattle is less than $283.

  • Are there last-minute flights available from Missouri to Seattle for under $300?

    There are currently 20+ open flights from Missouri to Seattle within the next 7 days for less than $300.

  • What days are nonstop flights available from Missouri to Seattle?

    Nonstop flights are available for this route on the following days: Sunday, Monday, Tuesday, Thursday, Friday, Saturday.

  • How popular is this Missouri to Seattle flight route?

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

    10 flight departures from Missouri to Seattle per day on average.
    Morning (6am - Noon) - 40% of flight departures
    Evening (6pm - Midnight) - 60% of flight departures

  • How long is the flight from Missouri to Seattle?

    Departing from Missouri to Seattle will take you 14h 52m. The distance from Missouri to Seattle is about 1714 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Missouri to Seattle one-way?

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $89. Spirit Airlines flights start at $104 while deals on Delta start at $113 one-way.

  • What are the most popular routes from Missouri to Seattle?

  • What are the most reliable airlines from Missouri to Seattle?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Missouri to Seattle on time: Qatar Airways (84%), Japan Airlines (84%), Air Tahiti Nui (77%).

  • What are the cheapest flights from Missouri to Seattle?

    While on average a flight from Missouri to Seattle is generally $881, our data shows the cheapest flight currently is $140. When looking at the most popular route, (Kansas City - Seattle/Tacoma Intl), you can expect to pay $129 for that flight.

  • What does STL to SEA mean?

    STL stands for Lambert-St Louis Airport, while SEA stands for Seattle/Tacoma Intl Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry. Kansas City Airport (MCI), Springfield-Branson Airport (SGF), Columbia Regional Airport (COU), Kansas City Downtown Airport (MKC), Branson Airport (BKG) are some additional IATA codes for airports related to your trip.

  • Can I find deals for flights from Missouri to Seattle that include extra baggage allowance?

    The amount of baggage you can bring on your Missouri to Seattle flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Missouri to Seattle with specific airlines?

    Yes, Cheapflights allows you to browse and filter Missouri to Seattle flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

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

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

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

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

  • Can I find deals for flights from Missouri to Seattle that allow pets onboard?

    Many airlines flying from Missouri to Seattle offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Missouri to Seattle?

    Yes, you can often find last-minute deals on Missouri to Seattle flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Missouri to Seattle flight deals updated?

    The Missouri to Seattle flight deals you see on this page were last updated on 6/6.

  • What are the most popular airlines that fly from Missouri to Seattle?

  • What is the cheapest month to book a flight from Missouri to Seattle?

    Currently, January is the cheapest month in which you can book a flight from Missouri to Seattle (average of $247). Flying from Missouri to Seattle in July is currently the most expensive (average of $406). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Missouri to Seattle
See prices for flight routes from nearby airports that may be better suited for you.

Top 7 airlines flying from Missouri to Seattle

Discover the top 7 airlines that operate flights from Missouri to Seattle. 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 3,050,429 searches. Data last updated junio 6, 2024.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$92Average$263FlexibilityNo cancel feeOn-time65%
DeltaCheapest$118Average$292FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$134Average$460FlexibilityNo cancel feeOn-time75%
FrontierCheapest$136Average$218FlexibilityNo cancel feeOn-time62%
Sun Country AirCheapest$161Average$356FlexibilityNo cancel feeOn-time83%
United AirlinesCheapest$172Average$474FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$176Average$559FlexibilityNo cancel feeOn-time71%

Search flights from Missouri to Seattle by cabin class

Find flights from Missouri to Seattle, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Hourly flight availability from Missouri to Seattle

Find hourly flight availability from Missouri to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated junio 6, 2024.
13%of flight departuresEarly morningMidnight to 6 am
33%of flight departuresMorning6 am to noon
26%of flight departuresAfternoonNoon to 6 pm
28%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.