How popular is this Missouri to Seattle flight route?

The Missouri to Seattle/Tacoma Intl flight path was viewed by 53 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

How long is the flight from Missouri to Seattle?

Departing from Missouri to Seattle will take you 4h 26m. The distance from Missouri to Seattle is about 1704 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 $88. Delta flights start at $99 while deals on United Airlines start at $119 one-way.

In terms of precipitation, rainfall in Seattle 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 Seattle when rainfall is around 0.7 in.

If weather is an important factor for your trip to Seattle, 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).

What are the most popular routes from Missouri to Seattle?

While some choose either Lambert-St Louis - Seattle/Tacoma Intl or Springfield-Branson - Seattle/Tacoma Intl, Kansas City - Seattle/Tacoma Intl is the most popular route from Missouri to Seattle.

What are the cheapest flights from Missouri to Seattle?

While on average a flight from Missouri to Seattle is generally $541, our data shows the cheapest flight currently is $124. When looking at the most popular route, (Kansas City - Seattle/Tacoma Intl), you can expect to pay $216 for that flight.

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 (93%), Japan Airlines (93%), Finnair (90%).

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

When booking a flight from Missouri to Seattle, you may want to consider flying on American Airlines, Alaska Airlines or Delta as they are the most popular for this route.

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 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.

$84+ Flights from Missouri to Seattle

Q: How much does it cost to fly round-trip from Missouri to Seattle?

Airfare is below average for this route at the moment. Missouri to Seattle flights typically cost between $249 and $396 in October. The cheapest round-trip price found within the last 3 days was $217 on Frontier (Oct 6-Oct 10).

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Cheap flight deals from Missouri to Seattle

Round-trip from	$217 (Kiwi.com)
One-way from	$84 (Trip.com)
Popular in	July
Cheapest in	January
Average price	$313
Good round-trip deal	$288 or less
Good one-way deal	$164 or less

From Missouri to Seattle/Tacoma Intl

Search Deals

One-way flight from Missouri to Seattle/Tacoma Intl

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Highest demand for flights based on searches. 14% potential increase in price ($58 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).

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Average for round-trip flights in September 2025

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Price to beat on a round-trip flight from Missouri to Seattle/Tacoma Intl.

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Price to beat on a one-way flight from Missouri to Seattle/Tacoma Intl.

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Find flight deals from Missouri to Seattle

Cheapest flights from Missouri to Seattle
Explore the most affordable flight options available from Missouri to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

Wed 10/152:55 pmMCI - SEA

1 stop26h 21mMultiple Airlines

Wed 10/228:43 pmSEA - MCI

1 stop21h 10mMultiple Airlines

Deal found 9/15

$217

Mon 10/67:55 pmSTL - SEA

1 stop18h 12mFrontier

Fri 10/108:43 pmSEA - STL

2 stops34h 39mFrontier

Deal found 9/15

$217

Thu 10/23:01 pmMCI - SEA

2 stops20h 19mFrontier

Sun 10/56:12 amSEA - MCI

1 stop5h 36mFrontier

Deal found 9/15

$218

Wed 10/227:52 pmSTL - SEA

2 stops21h 24mFrontier

Mon 10/278:43 pmSEA - STL

1 stop10h 24mFrontier

Deal found 9/15

$218

Sat 10/251:45 pmSTL - SEA

2 stops10h 45mSouthwest

Mon 10/276:30 amSEA - STL

2 stops14h 35mSouthwest

Deal found 9/15

$219

Thu 10/238:38 pmMCI - SEA

1 stop12h 55mFrontier

Mon 10/278:28 amSEA - MCI

2 stops9h 25mFrontier

Deal found 9/13

$220

Thu 10/233:57 pmSTL - SEA

Nonstop4h 28mMultiple Airlines

Mon 10/278:43 pmSEA - STL

1 stop10h 24mMultiple Airlines

Deal found 9/14

$221

Wed 12/244:45 pmSTL - SEA

1 stop8h 10mSouthwest

Sun 12/285:00 amSEA - STL

1 stop5h 20mSouthwest

Deal found 9/14

$223

Thu 10/238:38 pmMCI - SEA

1 stop12h 55mFrontier

Sun 10/269:58 pmSEA - MCI

2 stops19h 55mFrontier

Deal found 9/13

$224

Fri 10/248:38 pmMCI - SEA

1 stop17h 29mMultiple Airlines

Mon 10/276:39 pmSEA - MCI

1 stop17h 21mMultiple Airlines

Deal found 9/14

$225

Fri 10/249:59 pmSTL - SEA

2 stops16h 08mFrontier

Sun 10/268:43 pmSEA - STL

1 stop10h 24mFrontier

Deal found 9/14

$225

Thu 10/237:52 pmSTL - SEA

2 stops25h 56mFrontier

Sun 10/268:43 pmSEA - STL

1 stop10h 24mFrontier

Deal found 9/14

$226

Best flights from Missouri to Seattle
Discover carefully curated flight deals from Missouri to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 16, 2025.

Wed 10/15:18 amSTL - SEA

1 stop7h 32mAmerican Airlines

Wed 10/810:39 amSEA - STL

1 stop7h 47mAmerican Airlines

Deal found 9/16

$232

Sat 11/87:00 amSTL - SEA

Nonstop4h 33mAlaska Airlines

Tue 11/119:15 amSEA - STL

Nonstop4h 03mAlaska Airlines

Deal found 9/14

$237

Sat 2/282:55 pmSTL - SEA

Nonstop4h 26mHawaiian Airlines

Tue 3/36:00 pmSEA - STL

Nonstop3h 56mHawaiian Airlines

Deal found 9/13

$237

Sat 10/45:30 pmSTL - SEA

1 stop6h 28mDelta

Mon 10/611:55 pmSEA - STL

1 stop6h 56mDelta

Deal found 9/15

$238

Fri 10/176:00 amMCI - SEA

1 stop5h 59mUnited Airlines

Wed 10/223:35 pmSEA - MCI

1 stop5h 55mUnited Airlines

Deal found 9/14

$265

Tue 9/305:40 amUIN - SEA

1 stop14h 12mMultiple Airlines

Fri 10/312:17 amSEA - UIN

1 stop12h 37mMultiple Airlines

Deal found 9/15

$488

Sat 11/17:00 amSTL - SEA

Nonstop4h 33mHawaiian Airlines

Sun 11/26:05 pmSEA - STL

Nonstop3h 54mHawaiian Airlines

Deal found 9/16

$247

Wed 12/37:55 amMCI - SEA

Nonstop4h 13mDelta

Tue 12/95:50 pmSEA - MCI

Nonstop3h 32mDelta

Deal found 9/14

$257

Thu 11/207:00 amMCI - SEA

Nonstop4h 05mAlaska Airlines

Tue 11/256:32 pmSEA - MCI

Nonstop3h 27mAlaska Airlines

Deal found 9/16

$267

Fri 12/53:23 pmSTL - SEA

Nonstop4h 36mHawaiian Airlines

Tue 12/98:34 amSEA - STL

Nonstop3h 53mHawaiian Airlines

Deal found 9/15

$247

Fri 11/143:19 pmSGF - SEA

1 stop9h 59mAmerican Airlines

Thu 11/2011:59 pmSEA - SGF

1 stop6h 56mAmerican Airlines

Deal found 9/15

$289

Mon 11/177:55 amMCI - SEA

Nonstop4h 13mDelta

Tue 12/25:50 pmSEA - MCI

Nonstop3h 32mDelta

Deal found 9/14

$267

Fri 11/213:30 pmMCI - SEA

Nonstop4h 08mAlaska Airlines

Tue 11/256:32 pmSEA - MCI

Nonstop3h 27mAlaska Airlines

Deal found 9/16

$267

Fri 11/217:00 amSTL - SEA

Nonstop4h 41mHawaiian Airlines

Mon 12/86:05 pmSEA - STL

Nonstop3h 54mHawaiian Airlines

Deal found 9/13

$257

Wed 10/296:53 amMCI - SEA

Nonstop4h 02mDelta

Sun 11/25:50 pmSEA - MCI

Nonstop3h 31mDelta

Deal found 9/15

$267

Fri 10/317:00 amSTL - SEA

Nonstop4h 33mHawaiian Airlines

Sun 11/29:15 amSEA - STL

Nonstop4h 03mHawaiian Airlines

Deal found 9/14

$257

Thu 10/1612:08 pmSGF - SEA

1 stop9h 21mAmerican Airlines

Mon 10/2011:24 pmSEA - SGF

1 stop7h 27mAmerican Airlines

Deal found 9/14

$314

Sat 2/286:02 pmJLN - SEA

1 stop7h 03mUnited Airlines

Tue 3/37:00 amSEA - JLN

1 stop8h 38mUnited Airlines

Deal found 9/15

$374

Thu 10/307:00 amSTL - SEA

Nonstop4h 33mHawaiian Airlines

Sun 11/26:05 pmSEA - STL

Nonstop3h 54mHawaiian Airlines

Deal found 9/14

$257

Sat 2/286:02 pmJLN - SEA

1 stop7h 03mUnited Airlines

Wed 3/43:51 pmSEA - JLN

1 stop5h 50mUnited Airlines

Deal found 9/13

$374

Sat 11/87:00 amMCI - SEA

Nonstop4h 05mHawaiian Airlines

Mon 11/106:16 pmSEA - MCI

Nonstop3h 30mHawaiian Airlines

Deal found 9/14

$267

Sat 10/189:21 amSGF - SEA

1 stop9h 33mAmerican Airlines

Sat 10/2511:24 pmSEA - SGF

1 stop8h 15mAmerican Airlines

Deal found 9/15

$370

Fri 10/244:19 pmSGF - SEA

1 stop8h 49mAlaska Airlines

Mon 10/277:44 amSEA - SGF

1 stop9h 29mAlaska Airlines

Deal found 9/14

$379

Wed 11/128:00 amSGF - SEA

2 stops10h 15mUnited Airlines

Wed 11/195:00 amSEA - SGF

1 stop5h 47mUnited Airlines

Deal found 9/15

$384

Wed 11/127:00 amMCI - SEA

Nonstop4h 05mHawaiian Airlines

Wed 11/198:00 amSEA - MCI

1 stop5h 54mHawaiian Airlines

Deal found 9/15

$267

Sat 10/115:57 pmMCI - SEA

1 stop7h 07mHawaiian Airlines

Sat 10/186:27 pmSEA - MCI

Nonstop3h 32mHawaiian Airlines

Deal found 9/15

$267

Mon 10/137:49 pmCOU - SEA

1 stop16h 00mAmerican Airlines

Mon 10/206:10 amSEA - COU

1 stop11h 09mAmerican Airlines

Deal found 9/14

$401

Wed 10/87:00 amMCI - SEA

Nonstop3h 55mHawaiian Airlines

Fri 10/176:27 pmSEA - MCI

Nonstop3h 32mHawaiian Airlines

Deal found 9/14

$267

Wed 10/15:14 pmCOU - SEA

1 stop18h 07mAmerican Airlines

Sun 10/56:05 amSEA - COU

1 stop11h 14mAmerican Airlines

Deal found 9/16

$481

Mon 10/139:01 amCOU - SEA

1 stop16h 28mUnited Airlines

Mon 10/203:28 pmSEA - COU

2 stops26h 57mUnited Airlines

Deal found 9/14

$588

Last-minute flights from Missouri to Seattle
Discover last-minute flight deals from Missouri to Seattle. Data last updated September 16, 2025 and is based on user searches.

Fri 9/267:55 pmSTL - SEA

1 stop26h 44mFrontier

Mon 9/296:12 amSEA - STL

1 stop24h 54mFrontier

Deal found 9/15

$218

Thu 10/23:01 pmMCI - SEA

2 stops20h 19mFrontier

Sun 10/56:12 amSEA - MCI

1 stop5h 36mFrontier

Deal found 9/15

$218

Fri 10/33:01 pmMCI - SEA

1 stop11h 29mFrontier

Tue 10/71:02 pmSEA - MCI

1 stop26h 53mFrontier

Deal found 9/14

$235

Sat 10/117:02 pmMCI - SEA

2 stops20h 24mFrontier

Mon 10/136:39 pmSEA - MCI

2 stops45h 16mFrontier

Deal found 9/16

$233

Sat 10/113:03 pmMCI - SEA

1 stop8h 20mUnited Airlines

Sat 10/1811:40 pmSEA - MCI

1 stop7h 29mUnited Airlines

Deal found 9/16

$237

Wed 10/152:55 pmMCI - SEA

1 stop26h 21mMultiple Airlines

Wed 10/228:43 pmSEA - MCI

1 stop21h 10mMultiple Airlines

Deal found 9/15

$217

Thu 10/168:38 pmMCI - SEA

1 stop12h 55mMultiple Airlines

Mon 10/206:39 pmSEA - MCI

1 stop17h 21mMultiple Airlines

Deal found 9/16

$236

Fri 10/178:38 pmMCI - SEA

1 stop17h 29mFrontier

Wed 10/221:02 pmSEA - MCI

2 stops28h 51mFrontier

Deal found 9/14

$232

Thu 10/238:38 pmMCI - SEA

1 stop12h 55mFrontier

Mon 10/278:28 amSEA - MCI

2 stops9h 25mFrontier

Deal found 9/13

$220

Thu 10/238:38 pmMCI - SEA

1 stop12h 55mFrontier

Sun 10/269:58 pmSEA - MCI

2 stops19h 55mFrontier

Deal found 9/13

$224

Fri 10/248:38 pmMCI - SEA

1 stop17h 29mMultiple Airlines

Mon 10/276:39 pmSEA - MCI

1 stop17h 21mMultiple Airlines

Deal found 9/14

$225

Sat 10/257:02 pmMCI - SEA

1 stop14h 31mFrontier

Sat 11/112:58 pmSEA - MCI

1 stop29h 35mFrontier

Deal found 9/16

$230

One-way flights from Missouri to Seattle
Search for one-way flight options from Missouri to Seattle. Find affordable one-way fares based on user searches. Data last updated September 16, 2025.

Fri 12/127:43 pmSTL - SEA

1 stop17h 13mFrontier

Deal found 9/14

$84

Fri 11/147:45 pmSTL - SEA

1 stop18h 28mFrontier

Deal found 9/15

$87

Fri 10/178:38 pmMCI - SEA

1 stop17h 29mFrontier

Deal found 9/13

$88

Wed 10/157:52 pmSTL - SEA

1 stop18h 15mFrontier

Deal found 9/13

$88

Wed 10/227:02 pmMCI - SEA

1 stop19h 05mFrontier

Deal found 9/13

$89

Sun 10/128:38 pmMCI - SEA

1 stop12h 55mFrontier

Deal found 9/14

$91

Wed 12/37:43 pmSTL - SEA

1 stop17h 13mFrontier

Deal found 9/14

$93

Thu 10/238:38 pmMCI - SEA

1 stop12h 55mFrontier

Deal found 9/13

$96

Sun 10/57:55 pmSTL - SEA

1 stop6h 35mFrontier

Deal found 9/15

$96

Sun 9/287:55 pmSTL - SEA

1 stop6h 35mFrontier

Deal found 9/15

$97

Wed 11/126:50 amSTL - SEA

1 stop8h 06mDelta

Deal found 9/15

$99

Sat 10/181:45 pmSTL - SEA

2 stops10h 45mSouthwest

Deal found 9/15

$104

Fly from

Fly to

Route

Depart

Return

Price

St. LouisSeattle

STL - SEA

STLSEA

Lambert-St Louis

Wed 10/1

5:18 am-10:50 am

1 stop7h 32m

Seattle/Tacoma Intl

Wed 10/8

10:39 am-8:26 pm

1 stop7h 47m

$232

St. LouisSeattle

STL - SEA

STLSEA

Lambert-St Louis

Sat 11/8

7:00 am-9:33 am

Nonstop4h 33m

Seattle/Tacoma Intl

Tue 11/11

9:15 am-3:18 pm

Nonstop4h 03m

$237

St. LouisSeattle

STL - SEA

STLSEA

Lambert-St Louis

Sat 2/28

2:55 pm-5:21 pm

Nonstop4h 26m

Seattle/Tacoma Intl

Tue 3/3

6:00 pm-11:56 pm

Nonstop3h 56m

$237

St. LouisSeattle

STL - SEA

STLSEA

Lambert-St Louis

Sat 10/4

5:30 pm-9:58 pm

1 stop6h 28m

Seattle/Tacoma Intl

Mon 10/6

11:55 pm-8:51 am

1 stop6h 56m

$238

St. LouisSeattle

STL - SEA

STLSEA

Lambert-St Louis

Sat 11/1

7:00 am-9:33 am

Nonstop4h 33m

Seattle/Tacoma Intl

Sun 11/2

6:05 pm-11:59 pm

Nonstop3h 54m

$247

St. LouisSeattle

STL - SEA

STLSEA

Lambert-St Louis

Fri 12/5

3:23 pm-5:59 pm

Nonstop4h 36m

Seattle/Tacoma Intl

Tue 12/9

8:34 am-2:27 pm

Nonstop3h 53m

$247

Kansas CitySeattle

MCI - SEA

MCISEA

Kansas City

Wed 12/3

7:55 am-10:08 am

Nonstop4h 13m

Seattle/Tacoma Intl

Tue 12/9

5:50 pm-11:22 pm

Nonstop3h 32m

$257

St. LouisSeattle

STL - SEA

STLSEA

Lambert-St Louis

Fri 11/21

7:00 am-9:41 am

Nonstop4h 41m

Seattle/Tacoma Intl

Mon 12/8

6:05 pm-11:59 pm

Nonstop3h 54m

$257

St. LouisSeattle

STL - SEA

STLSEA

Lambert-St Louis

Fri 10/31

7:00 am-9:33 am

Nonstop4h 33m

Seattle/Tacoma Intl

Sun 11/2

9:15 am-3:18 pm

Nonstop4h 03m

$257

St. LouisSeattle

STL - SEA

STLSEA

Lambert-St Louis

Thu 10/30

7:00 am-9:33 am

Nonstop4h 33m

Seattle/Tacoma Intl

Sun 11/2

6:05 pm-11:59 pm

Nonstop3h 54m

$257

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 52 results

...

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.

Cheapflights Insights

Everything you need to know about your flight 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 $238). Flying from Missouri to Seattle in June is currently the most expensive (average of $387). 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 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.

Weekly flight availability from Missouri to Seattle

The most flights from USMO to SEA are scheduled on a Monday (15 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (6 on average).

How much does it cost to fly round-trip from Missouri to Seattle?

Related info for your journey

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.
How popular is this Missouri to Seattle flight route?
The Missouri to Seattle/Tacoma Intl flight path was viewed by 53 users in the past month. Keep an eye out for changes in search interest prior to high and low season.
How long is the flight from Missouri to Seattle?
Departing from Missouri to Seattle will take you 4h 26m. The distance from Missouri to Seattle is about 1704 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 $88. Delta flights start at $99 while deals on United Airlines start at $119 one-way.
What are the most popular routes from Missouri to Seattle?
While some choose either Lambert-St Louis - Seattle/Tacoma Intl or Springfield-Branson - Seattle/Tacoma Intl, Kansas City - Seattle/Tacoma Intl is the most popular route 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 (93%), Japan Airlines (93%), Finnair (90%).
What are the cheapest flights from Missouri to Seattle?
While on average a flight from Missouri to Seattle is generally $541, our data shows the cheapest flight currently is $124. When looking at the most popular route, (Kansas City - Seattle/Tacoma Intl), you can expect to pay $216 for that flight.
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.
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 $238). Flying from Missouri to Seattle in June is currently the most expensive (average of $387). 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

SeaTac

Tukwila

Tacoma

Lakewood

Ocean Shores

Lynnwood

Edmonds

Leavenworth

Renton

Lacey

Olympia

Kent

Federal Way

Cle Elum

Puyallup

Chehalis

Kirkland

Issaquah

Aberdeen

Shoreline

Browse thousands of different options on Cheapflights for your next trip

Top 8 airlines flying from Missouri to Seattle

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$94	Average$285	FlexibilityNo cancel fee	On-timeN/A
Spirit Airlines	Cheapest$111	Average$255	FlexibilityNo cancel fee	On-time65%
Frontier	Cheapest$118	Average$226	FlexibilityNo cancel fee	On-time62%
Hawaiian Airlines	Cheapest$149	Average$379	FlexibilityNo cancel fee	On-time85%
Southwest	Cheapest$179	Average$387	FlexibilityNo cancel fee	On-time63%
American Airlines	Cheapest$188	Average$486	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$216	Average$455	FlexibilityNo cancel fee	On-time69%
Alaska Airlines	Cheapest$226	Average$480	FlexibilityNo cancel fee	On-time75%

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$84+ Cheap flights from Missouri to Seattle (SEA)

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 12/12. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheap flight deals from Missouri to Seattle

Keep the following information in mind while searching for Missouri to Seattle flight deals. Data was last updated September 16, 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Missouri to Seattle

Cheapest flights from Missouri to SeattleExplore the most affordable flight options available from Missouri to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

Explore the most affordable flight options available from Missouri to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

Cheapflights Fare Finder

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

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.

Cheapflights Insights

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

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

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

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 September 16, 2025.

Weekly flight availability from Missouri to Seattle

Explore weekly flight availability from Missouri to Seattle. 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 September 16, 2025.

How much does it cost to fly round-trip from Missouri to Seattle?

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?

How popular is this Missouri to Seattle flight route?

How long is the flight from Missouri to Seattle?

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

What are the most popular routes from Missouri to Seattle?

What are the most reliable airlines from Missouri to Seattle?

What are the cheapest flights from Missouri to Seattle?

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

How can I find direct flights from Missouri to Seattle?

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Cheapest flights from Missouri to Seattle
Explore the most affordable flight options available from Missouri to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.