Missouri

$101+ Cheap flights from Seattle (SEA) to Missouri

SEA — STL
Dec 9 — Dec 161
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Cheap flight deals from Seattle to Missouri

Cheapest flights from Seattle to Missouri

Fri 12/114:58 pm -
1 stop15h 59m
Sun 12/132:27 pm -
1 stop23h 49m
Deal found 11/6$236
Wed 12/911:30 am -
1 stop7h 58m
Sat 12/127:08 am -
1 stop7h 28m
Deal found 11/5$247
Wed 12/24:58 pm -
1 stop24h 35m
Tue 12/88:32 pm -
1 stop21h 11m
Deal found 11/9$248
Wed 12/24:58 pm -
1 stop24h 35m
Tue 12/158:32 pm -
1 stop21h 11m
Deal found 11/5$251
Fri 12/44:58 pm -
1 stop15h 59m
Fri 12/117:54 pm -
1 stop21h 49m
Deal found 11/6$251
Fri 12/44:58 pm -
1 stop24h 37m
Tue 12/88:32 pm -
1 stop21h 11m
Deal found 11/4$257
Mon 12/146:00 am -
1 stop9h 20m
Tue 12/156:32 am -
1 stop10h 31m
Deal found 11/5$257
Tue 12/155:05 am -
1 stop5h 51m
Tue 12/155:40 pm -
1 stop7h 03m
Deal found 11/5$261
Sun 12/132:05 pm -
1 stop6h 54m
Mon 12/148:17 am -
1 stop8h 06m
Deal found 11/6$262
Mon 12/711:15 pm -
1 stop8h 04m
Fri 12/116:03 am -
1 stop6h 42m
Deal found 11/6$267
Wed 12/96:30 am -
1 stop8h 40m
Mon 12/148:25 am -
2 stops12h 40m
Deal found 11/7$268
Fri 12/44:58 pm -
1 stop24h 37m
Tue 12/158:32 pm -
1 stop21h 11m
Deal found 11/5$269

Find flight deals from Seattle to Missouri

Round-trip from

$236
(Cheapflightsfares)

One-way from

$101
(Kiwi.com)

Good round-trip deal

$489 or less

Good one-way deal

$179 or less
From Seattle/Tacoma Intl to Missouri
One-way flight from Seattle/Tacoma Intl to Missouri
Price to beat on a round-trip flight from Seattle/Tacoma Intl to Missouri.
Price to beat on a one-way flight from Seattle/Tacoma Intl to Missouri.

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleSt. Louis

SEA Seattle/Tacoma Intl - STL Lambert-St Louis

SEASTL

Seattle/Tacoma Intl

Wed 1/20

12:30 pm-8:38 pm

1 stop6h 08m

Lambert-St Louis

Wed 12/31

12:00 am-10:00 pm

Nonstop0h 00m

$124

SeattleSt. Louis

SEA Seattle/Tacoma Intl - STL Lambert-St Louis

SEASTL

Seattle/Tacoma Intl

Sat 1/23

11:12 pm-10:12 am

1 stop9h 00m

Lambert-St Louis

Wed 12/31

12:00 am-10:00 pm

Nonstop0h 00m

$124

SeattleSt. Louis

SEA Seattle/Tacoma Intl - STL Lambert-St Louis

SEASTL

Seattle/Tacoma Intl

Tue 12/29

11:44 pm-10:42 am

1 stop8h 58m

Lambert-St Louis

Wed 12/31

12:00 am-10:00 pm

Nonstop0h 00m

$124

SeattleSt. Louis

SEA Seattle/Tacoma Intl - STL Lambert-St Louis

SEASTL

Seattle/Tacoma Intl

Mon 2/1

9:01 am-6:17 pm

1 stop7h 16m

Lambert-St Louis

Wed 12/31

12:00 am-10:00 pm

Nonstop0h 00m

$129

SeattleSt. Louis

SEA Seattle/Tacoma Intl - STL Lambert-St Louis

SEASTL

Seattle/Tacoma Intl

Sun 1/31

10:52 am-7:28 pm

1 stop6h 36m

Lambert-St Louis

Wed 12/31

12:00 am-10:00 pm

Nonstop0h 00m

$129

SeattleSt. Louis

SEA Seattle/Tacoma Intl - STL Lambert-St Louis

SEASTL

Seattle/Tacoma Intl

Mon 12/14

1:45 pm-11:26 pm

1 stop7h 41m

Lambert-St Louis

Wed 12/31

12:00 am-10:00 pm

Nonstop0h 00m

$134

SeattleSt. Louis

SEA Seattle/Tacoma Intl - STL Lambert-St Louis

SEASTL

Seattle/Tacoma Intl

Fri 12/25

9:30 am-8:43 pm

1 stop9h 13m

Lambert-St Louis

Wed 12/31

12:00 am-10:00 pm

Nonstop0h 00m

$134

SeattleSt. Louis

SEA Seattle/Tacoma Intl - STL Lambert-St Louis

SEASTL

Seattle/Tacoma Intl

Sat 1/9

8:10 am-8:10 pm

2 stops10h 00m

Lambert-St Louis

Wed 12/31

12:00 am-10:00 pm

Nonstop0h 00m

$169

SeattleSt. Louis

SEA Seattle/Tacoma Intl - STL Lambert-St Louis

SEASTL

Seattle/Tacoma Intl

Mon 12/14

5:15 am-9:10 pm

2 stops13h 55m

Lambert-St Louis

Wed 12/31

12:00 am-10:00 pm

Nonstop0h 00m

$181

SeattleSt. Louis

SEA Seattle/Tacoma Intl - STL Lambert-St Louis

SEASTL

Seattle/Tacoma Intl

Wed 1/13

5:00 am-1:21 pm

1 stop6h 21m

Lambert-St Louis

Wed 12/31

12:00 am-10:00 pm

Nonstop0h 00m

$184

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/8

Showing 1-10 of 59 resultsSorted by cheapest first
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Best time to book a flight from Seattle to Missouri

Have a flexible travel schedule? Discover the best time to fly to Missouri from Seattle with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

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

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

Currently, January is the cheapest month in which you can book a flight from Seattle to Missouri (average of $278). Flying from Seattle to Missouri in July is currently the most expensive (average of $533). 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 SEA to MO?

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

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

Airfare is typical for this route at the moment.
Seattle to Missouri flights typically cost between $226 and $608 in December.
The cheapest round-trip price found within the last 5 days was $236 on Frontier (Dec 11-Dec 13).

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

Booking 90 days in advance of your planned departure date is, on average, the best time to get cheap flights from Seattle to Missouri. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Reviews of airlines servicing Missouri

See what other customers who have flown with Southwest,Alaska Airlines, andDelta from Seattle to Missouri have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.6

Comfort

8.0

Entertainment

7.5

Food

7.0

Overall

8.0

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Patricia,Oct 2026

DAL - TPA

I love flying southwest, Both flights were packed full full - so not room for all carry one and bags had to be checked but still good flights.

Crew

8.6

Comfort

8.0

Entertainment

7.5

Food

7.0

Overall

8.0

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Patricia,Oct 2026

DAL - TPA

I love flying southwest, Both flights were packed full full - so not room for all carry one and bags had to be checked but still good flights.

Crew

8.6

Comfort

8.0

Entertainment

7.5

Food

7.0

Overall

8.0

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Patricia,Oct 2026

DAL - TPA

I love flying southwest, Both flights were packed full full - so not room for all carry one and bags had to be checked but still good flights.

Crew

8.6

Comfort

8.0

Entertainment

7.5

Food

7.0

Overall

8.0

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Patricia,Oct 2026

DAL - TPA

I love flying southwest, Both flights were packed full full - so not room for all carry one and bags had to be checked but still good flights.

Crew

8.6

Comfort

8.0

Entertainment

7.5

Food

7.0

Overall

8.0

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Patricia,Oct 2026

DAL - TPA

I love flying southwest, Both flights were packed full full - so not room for all carry one and bags had to be checked but still good flights.

Crew

8.6

Comfort

8.0

Entertainment

7.5

Food

7.0

Overall

8.0

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Patricia,Oct 2026

DAL - TPA

I love flying southwest, Both flights were packed full full - so not room for all carry one and bags had to be checked but still good flights.

Related info for your journey

  • What airport do you fly from for flights from Seattle to Missouri?

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

  • How popular is this Seattle to Missouri flight route?

  • How long is the flight from Seattle to Missouri?

    Delta, Southwest, and United Airlines can get you from Seattle to Missouri in just under 5h 51m. Your travel time can differ by up to 3h 09m. The distance between Seattle and Missouri is about 1704 mi. This flight may include one or multiple stops.

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

    The cheapest airline one-way is United Airlines, with whom users have recently found tickets for as low as $74. However, be on the lookout for offers from Southwest and American Airlines, as they are both options that can get you from Seattle to Missouri for a low price.

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

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

    No one likes to see their flight delayed. When booking a flight from Seattle to Missouri consider choosing Qatar Airways (98%), Japan Airlines (92%) or Alaska Airlines (90%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Seattle to Missouri?

    Looking at all options, your cheapest flight can be booked for $97. While the most popular route (Seattle/Tacoma Intl - Kansas City) can be booked for $397 on average, our data indicates $400 when flying from Seattle to Missouri.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Seattle to Missouri 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 Seattle to Missouri?

    Currently, January is the cheapest month in which you can book a flight from Seattle to Missouri (average of $278). Flying from Seattle to Missouri in July is currently the most expensive (average of $533). 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

Alternative routes for Seattle to Missouri

Top 6 airlines flying from Seattle to Missouri

AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$113Average$360FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$133Average$330FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$178Average$443FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$196Average$510FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$206Average$505FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$246Average$433FlexibilityNo cancel feeOn-time69%

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