Flights from Seattle to La Plata

Cheapest flights from Seattle

These prices were available within the past 7 days. Prices quoted are per person, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Jul 9 - Tue, Jul 15

SEA

Seattle - Tacoma Intl.

STL

Lambert-St. Louis Intl.

$218 Roundtrip, found 1 day ago

$218

Roundtrip

found 1 day ago

Select United flight, departing Wed, Jul 9 from Seattle - Tacoma Intl. to Lambert-St. Louis Intl., returning Tue, Jul 15, priced at $218 found 1 day ago

Sat, Jun 28 - Fri, Jul 4

SEA

Seattle - Tacoma Intl.

STL

Lambert-St. Louis Intl.

$219 Roundtrip, found 14 hours ago

$219

Roundtrip

found 14 hours ago

Select Alaska Airlines flight, departing Sat, Jun 28 from Seattle - Tacoma Intl. to Lambert-St. Louis Intl., returning Fri, Jul 4, priced at $219 found 14 hours ago

Sun, Aug 31 - Fri, Sep 12

SEA

Seattle - Tacoma Intl.

MCI

Kansas City Intl.

$228 Roundtrip, found 13 hours ago

$228

Roundtrip

found 13 hours ago

Select Frontier Airlines flight, departing Sun, Aug 31 from Seattle - Tacoma Intl. to Kansas City Intl., returning Fri, Sep 12, priced at $228 found 13 hours ago

Fri, Oct 3 - Fri, Oct 17

SEA

Seattle - Tacoma Intl.

MCI

Kansas City Intl.

$230 Roundtrip, found 6 days ago

$230

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Fri, Oct 3 from Seattle - Tacoma Intl. to Kansas City Intl., returning Fri, Oct 17, priced at $230 found 6 days ago

Thu, Jun 26 - Fri, Jul 4

SEA

Seattle - Tacoma Intl.

STL

Lambert-St. Louis Intl.

$233 Roundtrip, found 14 hours ago

$233

Roundtrip

found 14 hours ago

Select Delta flight, departing Thu, Jun 26 from Seattle - Tacoma Intl. to Lambert-St. Louis Intl., returning Fri, Jul 4, priced at $233 found 14 hours ago

Sun, Aug 31 - Thu, Sep 11

SEA

Seattle - Tacoma Intl.

MCI

Kansas City Intl.

$234 Roundtrip, found 13 hours ago

$234

Roundtrip

found 13 hours ago

Select Frontier Airlines flight, departing Sun, Aug 31 from Seattle - Tacoma Intl. to Kansas City Intl., returning Thu, Sep 11, priced at $234 found 13 hours ago

Thu, Oct 16 - Mon, Oct 20

SEA

Seattle - Tacoma Intl.

MCI

Kansas City Intl.

$241 Roundtrip, found 22 hours ago

$241

Roundtrip

found 22 hours ago

Select American Airlines flight, departing Thu, Oct 16 from Seattle - Tacoma Intl. to Kansas City Intl., returning Mon, Oct 20, priced at $241 found 22 hours ago

Fri, Oct 3 - Fri, Oct 17

SEA

Seattle - Tacoma Intl.

MCI

Kansas City Intl.

$243 Roundtrip, found 6 days ago

$243

Roundtrip

found 6 days ago

Select United flight, departing Fri, Oct 3 from Seattle - Tacoma Intl. to Kansas City Intl., returning Fri, Oct 17, priced at $243 found 6 days ago

Thu, Oct 16 - Fri, Oct 24

SEA

Seattle - Tacoma Intl.

MCI

Kansas City Intl.

$243 Roundtrip, found 1 day ago

$243

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Thu, Oct 16 from Seattle - Tacoma Intl. to Kansas City Intl., returning Fri, Oct 24, priced at $243 found 1 day ago

Fri, Oct 17 - Tue, Oct 21

SEA

Seattle - Tacoma Intl.

MCI

Kansas City Intl.

$245 Roundtrip, found 22 hours ago

$245

Roundtrip

found 22 hours ago

Select American Airlines flight, departing Fri, Oct 17 from Seattle - Tacoma Intl. to Kansas City Intl., returning Tue, Oct 21, priced at $245 found 22 hours ago

Thu, Oct 16 - Mon, Oct 20

SEA

Seattle - Tacoma Intl.

MCI

Kansas City Intl.

$246 Roundtrip, found 22 hours ago

$246

Roundtrip

found 22 hours ago

Select Frontier Airlines flight, departing Thu, Oct 16 from Seattle - Tacoma Intl. to Kansas City Intl., returning Mon, Oct 20, priced at $246 found 22 hours ago

Wed, Jul 9 - Tue, Jul 15

SEA

Seattle - Tacoma Intl.

STL

Lambert-St. Louis Intl.

$247 Roundtrip, found 1 day ago

$247

Roundtrip

found 1 day ago

Select United flight, departing Wed, Jul 9 from Seattle - Tacoma Intl. to Lambert-St. Louis Intl., returning Tue, Jul 15, priced at $247 found 1 day ago

Sat, Jun 28 - Fri, Jul 4

SEA

Seattle - Tacoma Intl.

STL

Lambert-St. Louis Intl.

$249 Roundtrip, found 14 hours ago

$249

Roundtrip

found 14 hours ago

Select Alaska Airlines flight, departing Sat, Jun 28 from Seattle - Tacoma Intl. to Lambert-St. Louis Intl., returning Fri, Jul 4, priced at $249 found 14 hours ago

Fri, Oct 3 - Fri, Oct 17

SEA

Seattle - Tacoma Intl.

MCI

Kansas City Intl.

$250 Roundtrip, found 6 days ago

$250

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Fri, Oct 3 from Seattle - Tacoma Intl. to Kansas City Intl., returning Fri, Oct 17, priced at $250 found 6 days ago

Fri, Oct 17 - Tue, Oct 21

SEA

Seattle - Tacoma Intl.

MCI

Kansas City Intl.

$253 Roundtrip, found 22 hours ago

$253

Roundtrip

found 22 hours ago

Select American Airlines flight, departing Fri, Oct 17 from Seattle - Tacoma Intl. to Kansas City Intl., returning Tue, Oct 21, priced at $253 found 22 hours ago

Fri, Oct 3 - Fri, Oct 17

SEA

Seattle - Tacoma Intl.

MCI

Kansas City Intl.

$257 Roundtrip, found 6 days ago

$257

Roundtrip

found 6 days ago

Select United flight, departing Fri, Oct 3 from Seattle - Tacoma Intl. to Kansas City Intl., returning Fri, Oct 17, priced at $257 found 6 days ago

Wed, Sep 3 - Wed, Sep 10

SEA

Seattle - Tacoma Intl.

MCI

Kansas City Intl.

$257 Roundtrip, found 13 hours ago

$257

Roundtrip

found 13 hours ago

Select Hawaiian Airlines flight, departing Wed, Sep 3 from Seattle - Tacoma Intl. to Kansas City Intl., returning Wed, Sep 10, priced at $257 found 13 hours ago

Wed, Jul 9 - Tue, Jul 15

SEA

Seattle - Tacoma Intl.

STL

Lambert-St. Louis Intl.

$259 Roundtrip, found 1 day ago

$259

Roundtrip

found 1 day ago

Select United flight, departing Wed, Jul 9 from Seattle - Tacoma Intl. to Lambert-St. Louis Intl., returning Tue, Jul 15, priced at $259 found 1 day ago

Sat, Jun 28 - Fri, Jul 4

SEA

Seattle - Tacoma Intl.

STL

Lambert-St. Louis Intl.

$259 Roundtrip, found 14 hours ago

$259

Roundtrip

found 14 hours ago

Select Alaska Airlines flight, departing Sat, Jun 28 from Seattle - Tacoma Intl. to Lambert-St. Louis Intl., returning Fri, Jul 4, priced at $259 found 14 hours ago

Wed, Jun 25 - Sun, Jun 29

SEA

Seattle - Tacoma Intl.

MCI

Kansas City Intl.

$377 Roundtrip, found 16 hours ago

$377

Roundtrip

found 16 hours ago

Select Spirit Airlines flight, departing Wed, Jun 25 from Seattle - Tacoma Intl. to Kansas City Intl., returning Sun, Jun 29, priced at $377 found 16 hours ago