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Washington DC monuments and Capitol
IAD
Washington
Seattle skyline with Space Needle and Mount Rainier
SEA
Seattle

Washington → Seattle

Frontier Airlines · Round Trip · Nonstop

Save $70 (15% off)
Compared to the typical price of $467
$397$467

per person · round trip

Book This Deal

Flight Details

Cabin
Economy
Departs
Jun 3, 2026
Returns
Jun 8, 2026

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