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>

$87 CHEAP FLIGHTS from Missouri to Seattle

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Cheap Flight Deals from Missouri to Seattle

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Missouri to Seattle that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from Missouri to Seattle

KAYAK's recommended round-trip deals from the most popular airlines that fly from Missouri to Seattle.

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

Choose your dates

8:15 pm - 12:44 amSTL-SEA

6h 29m1 stop

6:00 am - 9:59 amSEA-STL

25h 59m1 stop

$180Frontier

Find Deal

Sat, May 3 - Tue, May 6

7:51 pm - 12:37 amMCI-SEA

6h 46m1 stop

6:25 am - 7:11 pmSEA-MCI

10h 46m1 stop

$188Frontier

Find Deal

Fri, May 30 - Wed, Jun 4

6:05 pm - 11:47 pmSTL-SEA

7h 42m1 stop

11:59 pm - 8:39 amSEA-STL

6h 40m1 stop

$189Delta

Find Deal

Mon, Jun 2 - Tue, Jun 10

3:25 pm - 12:15 amSTL-SEA

10h 50m1 stop

10:40 pm - 10:00 amSEA-STL

9h 20m1 stop

$194Southwest

Find Deal

Sat, Jul 12 - Mon, Jul 14

6:45 pm - 12:10 amMCI-SEA

7h 25m1 stop

6:25 am - 11:35 amSEA-MCI

27h 10m1 stop

$212

Find Deal

Tue, Jun 3 - Sat, Jun 7

4:52 pm - 12:45 amSTL-SEA

9h 53m1 stop

12:24 am - 8:55 amSEA-STL

6h 31m1 stop

$213American Airlines

Find Deal

Wed, Jun 4 - Tue, Aug 19

1:46 pm - 6:55 pmSTL-SEA

7h 09m1 stop

9:50 am - 8:49 pmSEA-STL

8h 59m1 stop

$218Delta

Find Deal

Tue, May 6 - Tue, May 13

5:00 am - 10:15 amSTL-SEA

7h 15m1 stop

11:58 pm - 8:59 amSEA-STL

7h 01m1 stop

$233American Airlines

Find Deal

Fri, May 16 - Mon, May 19

5:15 am - 11:00 amSTL-SEA

7h 45m1 stop

5:15 am - 2:55 pmSEA-STL

7h 40m1 stop

$234Southwest

Find Deal

Mon, Oct 6 - Thu, Oct 9

7:51 pm - 12:34 amMCI-SEA

6h 43m1 stop

6:00 am - 7:03 pmSEA-MCI

11h 03m1 stop

$237

Find Deal

Mon, Jun 2 - Thu, Jun 5

Low season	February
High season	July
Cheapest flight	$87

Best time to beat the crowds with an average 12% drop in price.

Most popular time to fly with an average 16% increase in price.

Flight from Kansas City 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.