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.

$84 CHEAP FLIGHTS from Missouri 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

Sat, Dec 12 - Sat, Jan 9

5:50 am - 10:50 amSTL Lambert-St Louis-SEA Seattle/Tacoma Intl

7h 00m1 stop Dallas Love Field

8:10 am - 7:15 pmSEA Seattle/Tacoma Intl-STL Lambert-St Louis

9h 05m1 stop Chicago Midway

$212Southwest

Sat, Nov 7 - Sat, Nov 14

5:50 am - 10:50 amSTL Lambert-St Louis-SEA Seattle/Tacoma Intl

7h 00m1 stop Dallas Love Field

1:05 pm - 8:25 pmSEA Seattle/Tacoma Intl-STL Lambert-St Louis

5h 20m1 stop Denver Intl

$212Southwest

Tue, Oct 20 - Wed, Oct 28

5:35 pm - 11:59 pmSTL Lambert-St Louis-SEA Seattle/Tacoma Intl

8h 24m1 stop Minneapolis St Paul

5:30 am - 1:32 pmSEA Seattle/Tacoma Intl-STL Lambert-St Louis

6h 02m1 stop Salt Lake City

$217Delta

Sat, Oct 17 - Wed, Oct 28

6:47 am - 2:45 pmSTL Lambert-St Louis-SEA Seattle/Tacoma Intl

9h 58m1 stop Detroit Metropolitan Wayne County

11:50 pm - 8:53 amSEA Seattle/Tacoma Intl-STL Lambert-St Louis

7h 03m1 stop Minneapolis St Paul

$217Delta

Sat, Oct 10 - Sat, Oct 17

5:23 pm - 12:36 amSTL Lambert-St Louis-SEA Seattle/Tacoma Intl

9h 13m1 stop Chicago O'Hare Intl

3:14 pm - 12:19 amSEA Seattle/Tacoma Intl-STL Lambert-St Louis

7h 05m1 stop Chicago O'Hare Intl

$217American Airlines

Sat, Oct 24 - Sat, Oct 31

10:12 am - 4:48 pmSTL Lambert-St Louis-SEA Seattle/Tacoma Intl

8h 36m1 stop Dallas/Fort Worth

5:00 am - 2:30 pmSEA Seattle/Tacoma Intl-STL Lambert-St Louis

7h 30m1 stop Dallas/Fort Worth

$217American Airlines

Wed, Oct 21 - Mon, Oct 26

4:19 pm - 3:12 pmSTL Lambert-St Louis-SEA Seattle/Tacoma Intl

24h 53m1 stop Denver Intl

9:16 pm - 5:40 pmSEA Seattle/Tacoma Intl-STL Lambert-St Louis

42h 24m2 stops Las Vegas Harry Reid Intl Atlanta Hartsfield-Jackson

$232Frontier

Mon, Oct 19 - Thu, Oct 22

6:35 pm - 3:12 pmSTL Lambert-St Louis-SEA Seattle/Tacoma Intl

22h 37m2 stops Atlanta Hartsfield-Jackson Denver Intl

4:27 pm - 7:15 pmSEA Seattle/Tacoma Intl-STL Lambert-St Louis

24h 48m1 stop Denver Intl

$246Frontier

Mon, Oct 5 - Sat, Oct 10

8:10 pm - 3:08 pmSTL Lambert-St Louis-SEA Seattle/Tacoma Intl

20h 58m1 stop Denver Intl

6:03 pm - 11:59 pmSEA Seattle/Tacoma Intl-STL Lambert-St Louis

3h 56mnonstop

$246Multiple Airlines

Mon, Oct 5 - Sat, Oct 10

8:10 pm - 3:08 pmSTL Lambert-St Louis-SEA Seattle/Tacoma Intl

20h 58m1 stop Denver Intl

6:03 pm - 11:59 pmSEA Seattle/Tacoma Intl-STL Lambert-St Louis

3h 56mnonstop

$256Multiple Airlines

Recent last minute flight deals from Missouri to Seattle

Sun, Sep 13 - Mon, Sep 21

10:30 pm - 9:42 amMCI Kansas City-SEA Seattle/Tacoma Intl

13h 12m1 stop Las Vegas Harry Reid Intl

4:27 pm - 7:37 pmSEA Seattle/Tacoma Intl-MCI Kansas City

25h 10m1 stop Denver Intl

$345Frontier

Mon, Sep 14 - Mon, Sep 21

10:30 pm - 9:42 amMCI Kansas City-SEA Seattle/Tacoma Intl

13h 12m1 stop Las Vegas Harry Reid Intl

4:27 pm - 7:37 pmSEA Seattle/Tacoma Intl-MCI Kansas City

25h 10m1 stop Denver Intl

$345Frontier

Fri, Sep 11 - Wed, Sep 30

12:17 pm - 6:28 pmSTL Lambert-St Louis-SEA Seattle/Tacoma Intl

8h 11m1 stop Las Vegas Harry Reid Intl

12:35 pm - 6:38 pmSEA Seattle/Tacoma Intl-STL Lambert-St Louis

4h 03mnonstop

$414Multiple Airlines

Fri, Sep 11 - Fri, Sep 25

4:08 pm - 9:52 pmSGF Springfield-Branson-SEA Seattle/Tacoma Intl

7h 44m1 stop Dallas/Fort Worth

11:57 pm - 10:08 amSEA Seattle/Tacoma Intl-SGF Springfield-Branson

8h 11m1 stop Chicago O'Hare Intl

$439American Airlines

Fri, Sep 11 - Wed, Sep 30

8:43 am - 3:17 pmSTL Lambert-St Louis-SEA Seattle/Tacoma Intl

8h 34m1 stop Charlotte Douglas

11:22 am - 8:52 pmSEA Seattle/Tacoma Intl-STL Lambert-St Louis

7h 30m1 stop Phoenix Sky Harbor Intl

$451American Airlines

Fri, Sep 11 - Sun, Sep 13

12:17 pm - 6:28 pmSTL Lambert-St Louis-SEA Seattle/Tacoma Intl

8h 11m1 stop Las Vegas Harry Reid Intl

7:08 am - 5:10 pmSEA Seattle/Tacoma Intl-STL Lambert-St Louis

8h 02m1 stop Portland

$507Multiple Airlines

Sat, Sep 12 - Wed, Sep 23

7:30 am - 7:14 pmSGF Springfield-Branson-SEA Seattle/Tacoma Intl

13h 44m2 stops Chicago O'Hare Intl Los Angeles

7:00 am - 6:55 pmSEA Seattle/Tacoma Intl-SGF Springfield-Branson

9h 55m1 stop Houston George Bush Intcntl

$579United Airlines

Fri, Sep 11 - Tue, Sep 22

3:05 pm - 9:36 pmSGF Springfield-Branson-SEA Seattle/Tacoma Intl

8h 31m1 stop Houston George Bush Intcntl

6:32 am - 10:02 pmSEA Seattle/Tacoma Intl-SGF Springfield-Branson

13h 30m2 stops Los Angeles Chicago O'Hare Intl

$579United Airlines

Wed, Sep 9 - Fri, Sep 11

6:30 pm - 11:10 pmSTL Lambert-St Louis-SEA Seattle/Tacoma Intl

6h 40m1 stop Denver Intl

12:05 pm - 6:05 pmSEA Seattle/Tacoma Intl-STL Lambert-St Louis

4h 00mnonstop

$597Southwest

Fri, Sep 11 - Sun, Sep 13

8:25 am - 10:45 amSTL Lambert-St Louis-SEA Seattle/Tacoma Intl

4h 20mnonstop

11:05 pm - 9:15 amSEA Seattle/Tacoma Intl-STL Lambert-St Louis

8h 10m1 stop Chicago Midway

$603Southwest

Recent direct flight deals from Missouri to Seattle

Fri, Oct 9 - Tue, Oct 13

6:17 am - 8:20 amMCI Kansas City-SEA Seattle/Tacoma Intl

4h 03mnonstop

6:27 pm - 11:59 pmSEA Seattle/Tacoma Intl-MCI Kansas City

3h 32mnonstop

$324Alaska Airlines

Fri, Oct 9 - Tue, Oct 13

6:17 am - 8:20 amMCI Kansas City-SEA Seattle/Tacoma Intl

4h 03mnonstop

6:27 pm - 11:59 pmSEA Seattle/Tacoma Intl-MCI Kansas City

3h 32mnonstop

$324Alaska Airlines

Thu, Oct 15 - Thu, Oct 15

6:17 am - 8:20 amMCI Kansas City-SEA Seattle/Tacoma Intl

4h 03mnonstop

6:27 pm - 11:59 pmSEA Seattle/Tacoma Intl-MCI Kansas City

3h 32mnonstop

$327Alaska Airlines

Wed, Oct 7 - Mon, Oct 12

7:00 am - 9:04 amMCI Kansas City-SEA Seattle/Tacoma Intl

4h 04mnonstop

5:55 pm - 11:31 pmSEA Seattle/Tacoma Intl-MCI Kansas City

3h 36mnonstop

$347Delta

Mon, Feb 1 - Sat, Feb 6

7:30 am - 9:42 amMCI Kansas City-SEA Seattle/Tacoma Intl

4h 12mnonstop

5:30 pm - 11:00 pmSEA Seattle/Tacoma Intl-MCI Kansas City

3h 30mnonstop

$347Delta

Thu, Jan 14 - Mon, Jan 18

4:22 pm - 6:29 pmMCI Kansas City-SEA Seattle/Tacoma Intl

4h 07mnonstop

9:55 am - 3:26 pmSEA Seattle/Tacoma Intl-MCI Kansas City

3h 31mnonstop

$387American Airlines

Thu, Nov 12 - Tue, Nov 17

7:00 am - 9:09 amMCI Kansas City-SEA Seattle/Tacoma Intl

4h 09mnonstop

6:30 pm - 11:59 pmSEA Seattle/Tacoma Intl-MCI Kansas City

3h 29mnonstop

$387American Airlines

Sat, Oct 10 - Sat, Oct 17

6:02 am - 8:33 amSTL Lambert-St Louis-SEA Seattle/Tacoma Intl

4h 31mnonstop

9:40 am - 3:44 pmSEA Seattle/Tacoma Intl-STL Lambert-St Louis

4h 04mnonstop

$437Multiple Airlines

Mon, Sep 21 - Sat, Sep 26

8:25 am - 10:45 amSTL Lambert-St Louis-SEA Seattle/Tacoma Intl

4h 20mnonstop

9:40 am - 3:30 pmSEA Seattle/Tacoma Intl-STL Lambert-St Louis

3h 50mnonstop

$570Southwest

Sat, Sep 19 - Sat, Sep 26

2:20 pm - 4:40 pmSTL Lambert-St Louis-SEA Seattle/Tacoma Intl

4h 20mnonstop

9:40 am - 3:30 pmSEA Seattle/Tacoma Intl-STL Lambert-St Louis

3h 50mnonstop

$599Southwest

Useful Info

Low season	January
High season	July
Cheapest flight	$84

Best time to beat the crowds with an average 25% drop in price.

Most popular time to fly with an average 24% 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.

Lynnwood

Centralia

Fife

Lakewood

Westport

Lacey

Mukilteo

Woodinville

Poulsbo

Edmonds

Aberdeen

DuPont

Shoreline

Monroe

Castle Rock

Edgewood

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$84 Find Cheap Flights from Missouri to Seattle - Compare and Save

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

Low season

High season

Cheapest flight

FAQs for booking flights from Missouri to Seattle

Traveling to a place near Seattle?

More options for your flight to Seattle

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

Information on the airport you'll fly into in Seattle

Cabin class types available on flights to Missouri

Find direct flights for Seattle

Flights from domestic origins to Seattle

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Find deals for your return flight