How does KAYAK find such low prices on flights from Missouri to Seattle?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Missouri to Seattle. Visit our flight page for the latest deals!>/a>

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Missouri to Seattle?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Seattle from Missouri is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from Missouri to Seattle?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Seattle with an airline and back to Missouri with another airline. Visit our flight page for the latest deals!>/a>

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Missouri to Seattle?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Seattle from Missouri up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

$78 CHEAP FLIGHTS from Missouri to Seattle

SEA

KAYAK searches hundreds of travel sites at once for deals on flights to Seattle

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Flight Deals

Cheap Flights from Missouri to Seattle

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from Missouri to Seattle

Tue, Apr 14 - Mon, Apr 20

6:15 am - 8:24 am

MCI

SEA

4h 09mnonstop

6:27 pm - 11:59 pm

SEA

MCI

3h 32mnonstop

$179Alaska Airlines

Mon, Apr 27 - Tue, May 5

2:15 pm - 9:27 am

MCI

SEA

21h 12m

1 stop

7:50 pm - 1:49 pm

SEA

MCI

15h 59m

1 stop

$187Frontier

Mon, Apr 27 - Tue, May 5

2:15 pm - 9:27 am

MCI

SEA

21h 12m

1 stop

7:50 pm - 1:49 pm

SEA

MCI

15h 59m

1 stop

$189Frontier

Sat, Apr 18 - Sat, Apr 25

6:15 am - 8:24 am

MCI

SEA

4h 09mnonstop

8:14 am - 2:04 pm

SEA

MCI

3h 50mnonstop

$194Alaska Airlines

Sat, Apr 18 - Sat, Apr 25

6:15 am - 8:24 am

MCI

SEA

4h 09mnonstop

6:21 pm - 11:59 pm

SEA

MCI

3h 38mnonstop

$195Alaska Airlines

Fri, Apr 17 - Thu, Apr 23

7:42 am - 9:51 am

MCI

SEA

4h 09mnonstop

6:10 pm - 11:43 pm

SEA

MCI

3h 33mnonstop

$198Delta

Tue, Apr 28 - Mon, May 4

7:42 am - 9:51 am

MCI

SEA

4h 09mnonstop

6:10 pm - 11:43 pm

SEA

MCI

3h 33mnonstop

$199Delta

Sat, Apr 25 - Mon, Apr 27

10:45 am - 6:15 pm

MCI

SEA

9h 30m

2 stops

11:55 pm - 9:15 am

SEA

MCI

7h 20m

1 stop

$204Southwest

Sat, Apr 4 - Sat, Apr 11

7:00 am - 9:35 am

STL

SEA

4h 35mnonstop

6:02 pm - 11:59 pm

SEA

STL

3h 57mnonstop

$205Hawaiian Airlines

Sat, Apr 4 - Sat, Apr 11

4:20 pm - 6:53 pm

STL

SEA

4h 33mnonstop

6:02 pm - 11:59 pm

SEA

STL

3h 57mnonstop

$206Hawaiian Airlines

Useful Info

Low season	January
High season	July
Cheapest flight	$78

Best time to beat the crowds with an average 16% drop in price.

Most popular time to fly with an average 15% increase in price.

Flight from St. Louis to Seattle

How does KAYAK find such low prices on flights from Missouri to Seattle?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Missouri to Seattle.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Missouri to Seattle?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Seattle from Missouri is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Missouri to Seattle?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Seattle with an airline and back to Missouri with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Missouri to Seattle?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Seattle from Missouri up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Lynnwood

Centralia

Fife

Lakewood

Westport

Mukilteo

Lacey

Edmonds

Aberdeen

Poulsbo

Woodinville

Shoreline

DuPont

Monroe

Castle Rock

Edgewood

Everything you need to know for your flight to Seattle

Airports

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Return flight deals

Information on the airport you'll fly into in Seattle

Seattle (SEA)

SEA

$82 Find Cheap Flights from Missouri to Seattle

KAYAK searches hundreds of travel sites at once for deals on flights to Seattle

Cheap Flights from Missouri to Seattle

Recent round-trip flight deals from Missouri to Seattle

Recent one-way flight deals from Missouri to Seattle

Recent last minute flight deals from Missouri to Seattle

Recent direct flight deals from Missouri to Seattle

Good to know

FAQs for booking flights from Missouri to Seattle

How does KAYAK find such low prices on flights from Missouri to Seattle?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Missouri to Seattle.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Missouri to Seattle?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Seattle from Missouri is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Missouri to Seattle?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Seattle with an airline and back to Missouri with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Missouri to Seattle?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Seattle from Missouri up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Traveling to a place near Seattle?

Everything you need to know for your flight to Seattle

Information on the airport you'll fly into in Seattle

Cabin class types available on flights to Missouri

Complete your trip to Seattle with a hotel stay or car rental

Find direct flights for Seattle

Flights to other popular destinations

Flights from domestic origins to Seattle

Choose which airport to fly into in Seattle

Find deals for your return flight