Flights from Seattle to Lone Tree

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, Sep 3 - Tue, Sep 9

SEA

Seattle - Tacoma Intl.

DEN

Denver Intl.

$111 Roundtrip, found 16 hours ago

$111

Roundtrip

found 16 hours ago

Select Frontier Airlines flight, departing Wed, Sep 3 from Seattle - Tacoma Intl. to Denver Intl., returning Tue, Sep 9, priced at $111 found 16 hours ago

Tue, Sep 9 - Tue, Sep 16

SEA

Seattle - Tacoma Intl.

DEN

Denver Intl.

$116 Roundtrip, found 8 hours ago

$116

Roundtrip

found 8 hours ago

Select Frontier Airlines flight, departing Tue, Sep 9 from Seattle - Tacoma Intl. to Denver Intl., returning Tue, Sep 16, priced at $116 found 8 hours ago

Tue, Sep 9 - Thu, Sep 18

SEA

Seattle - Tacoma Intl.

DEN

Denver Intl.

$117 Roundtrip, found 8 hours ago

$117

Roundtrip

found 8 hours ago

Select Frontier Airlines flight, departing Tue, Sep 9 from Seattle - Tacoma Intl. to Denver Intl., returning Thu, Sep 18, priced at $117 found 8 hours ago

Thu, Sep 11 - Thu, Sep 18

SEA

Seattle - Tacoma Intl.

DEN

Denver Intl.

$118 Roundtrip, found 8 hours ago

$118

Roundtrip

found 8 hours ago

Select Frontier Airlines flight, departing Thu, Sep 11 from Seattle - Tacoma Intl. to Denver Intl., returning Thu, Sep 18, priced at $118 found 8 hours ago

Fri, Sep 12 - Sat, Sep 13

SEA

Seattle - Tacoma Intl.

DEN

Denver Intl.

$123 Roundtrip, found 8 hours ago

$123

Roundtrip

found 8 hours ago

Select Frontier Airlines flight, departing Fri, Sep 12 from Seattle - Tacoma Intl. to Denver Intl., returning Sat, Sep 13, priced at $123 found 8 hours ago

Wed, Sep 3 - Tue, Sep 9

SEA

Seattle - Tacoma Intl.

DEN

Denver Intl.

$128 Roundtrip, found 16 hours ago

$128

Roundtrip

found 16 hours ago

Select Frontier Airlines flight, departing Wed, Sep 3 from Seattle - Tacoma Intl. to Denver Intl., returning Tue, Sep 9, priced at $128 found 16 hours ago

Tue, Sep 9 - Fri, Sep 19

SEA

Seattle - Tacoma Intl.

DEN

Denver Intl.

$128 Roundtrip, found 8 hours ago

$128

Roundtrip

found 8 hours ago

Select Frontier Airlines flight, departing Tue, Sep 9 from Seattle - Tacoma Intl. to Denver Intl., returning Fri, Sep 19, priced at $128 found 8 hours ago

Thu, Sep 11 - Fri, Sep 19

SEA

Seattle - Tacoma Intl.

DEN

Denver Intl.

$129 Roundtrip, found 8 hours ago

$129

Roundtrip

found 8 hours ago

Select Frontier Airlines flight, departing Thu, Sep 11 from Seattle - Tacoma Intl. to Denver Intl., returning Fri, Sep 19, priced at $129 found 8 hours ago

Fri, Sep 12 - Sun, Sep 14

SEA

Seattle - Tacoma Intl.

DEN

Denver Intl.

$135 Roundtrip, found 8 hours ago

$135

Roundtrip

found 8 hours ago

Select Frontier Airlines flight, departing Fri, Sep 12 from Seattle - Tacoma Intl. to Denver Intl., returning Sun, Sep 14, priced at $135 found 8 hours ago

Wed, Sep 3 - Tue, Sep 9

SEA

Seattle - Tacoma Intl.

DEN

Denver Intl.

$138 Roundtrip, found 16 hours ago

$138

Roundtrip

found 16 hours ago

Select American Airlines flight, departing Wed, Sep 3 from Seattle - Tacoma Intl. to Denver Intl., returning Tue, Sep 9, priced at $138 found 16 hours ago

Wed, Sep 3 - Tue, Sep 9

SEA

Seattle - Tacoma Intl.

DEN

Denver Intl.

$139 Roundtrip, found 16 hours ago

$139

Roundtrip

found 16 hours ago

Select United flight, departing Wed, Sep 3 from Seattle - Tacoma Intl. to Denver Intl., returning Tue, Sep 9, priced at $139 found 16 hours ago

Wed, Sep 3 - Tue, Sep 9

SEA

Seattle - Tacoma Intl.

DEN

Denver Intl.

$139 Roundtrip, found 16 hours ago

$139

Roundtrip

found 16 hours ago

Select Delta flight, departing Wed, Sep 3 from Seattle - Tacoma Intl. to Denver Intl., returning Tue, Sep 9, priced at $139 found 16 hours ago

Fri, Sep 12 - Fri, Sep 19

SEA

Seattle - Tacoma Intl.

DEN

Denver Intl.

$140 Roundtrip, found 8 hours ago

$140

Roundtrip

found 8 hours ago

Select Frontier Airlines flight, departing Fri, Sep 12 from Seattle - Tacoma Intl. to Denver Intl., returning Fri, Sep 19, priced at $140 found 8 hours ago

Tue, Oct 21 - Sat, Oct 25

SEA

Seattle - Tacoma Intl.

DEN

Denver Intl.

$141 Roundtrip, found 2 days ago

$141

Roundtrip

found 2 days ago

Select Delta flight, departing Tue, Oct 21 from Seattle - Tacoma Intl. to Denver Intl., returning Sat, Oct 25, priced at $141 found 2 days ago

Fri, Sep 12 - Sat, Sep 13

SEA

Seattle - Tacoma Intl.

DEN

Denver Intl.

$145 Roundtrip, found 8 hours ago

$145

Roundtrip

found 8 hours ago

Select United flight, departing Fri, Sep 12 from Seattle - Tacoma Intl. to Denver Intl., returning Sat, Sep 13, priced at $145 found 8 hours ago

Fri, Sep 12 - Sat, Sep 13

SEA

Seattle - Tacoma Intl.

DEN

Denver Intl.

$146 Roundtrip, found 8 hours ago

$146

Roundtrip

found 8 hours ago

Select United flight, departing Fri, Sep 12 from Seattle - Tacoma Intl. to Denver Intl., returning Sat, Sep 13, priced at $146 found 8 hours ago

Tue, Sep 30 - Tue, Oct 7

SEA

Seattle - Tacoma Intl.

DEN

Denver Intl.

$157 Roundtrip, found 4 days ago

$157

Roundtrip

found 4 days ago

Select Hawaiian Airlines flight, departing Tue, Sep 30 from Seattle - Tacoma Intl. to Denver Intl., returning Tue, Oct 7, priced at $157 found 4 days ago

Tue, Sep 23 - Sat, Sep 27

SEA

Seattle - Tacoma Intl.

DEN

Denver Intl.

$157 Roundtrip, found 2 days ago

$157

Roundtrip

found 2 days ago

Select Alaska Airlines flight, departing Tue, Sep 23 from Seattle - Tacoma Intl. to Denver Intl., returning Sat, Sep 27, priced at $157 found 2 days ago

Fri, Sep 12 - Sat, Sep 13

SEA

Seattle - Tacoma Intl.

DEN

Denver Intl.

$171 Roundtrip, found 8 hours ago

$171

Roundtrip

found 8 hours ago

Select American Airlines flight, departing Fri, Sep 12 from Seattle - Tacoma Intl. to Denver Intl., returning Sat, Sep 13, priced at $171 found 8 hours ago

Fri, Sep 12 - Sun, Sep 14

PAE

Seattle Paine Field Intl. Airport

DEN

Denver Intl.

$229 Roundtrip, found 8 hours ago

$229

Roundtrip

found 8 hours ago

Select Frontier Airlines flight, departing Fri, Sep 12 from Seattle Paine Field Intl. Airport to Denver Intl., returning Sun, Sep 14, priced at $229 found 8 hours ago