SAR 826 Cheap Flights from Denver (DEN) to Seattle (SEA)
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Open Photo by Port of Seattle
Popular airlines from Denver Intl. Airport (DEN) to Seattle-Tacoma International Airport (SEA)
Alaska AirlinesAlaska Airlines
Frontier AirlinesFrontier Airlines
UnitedUnited
DeltaDelta
Southwest AirlinesSouthwest Airlines
American AirlinesAmerican Airlines
JetBlue AirwaysJetBlue Airways
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Cheap Flights from Denver to Seattle (DEN-SEA)
Prices were available within the past 7 days and start at SAR 826 for one-way flights and SAR 1,873 for roundtrip, for the period specified. Prices and availability are subject to change.
Thursday, 23 July, 2026 - Thursday, 30 July, 2026
DEN
Denver
SEA
Seattle
SAR 1,873
Roundtrip
Found 7 hours ago
Thursday, 23 July, 2026 - Thursday, 30 July, 2026
DEN
Denver
SEA
Seattle
SAR 1,910
Roundtrip
Found 7 hours ago
Thursday, 23 July, 2026 - Thursday, 30 July, 2026
DEN
Denver
SEA
Seattle
SAR 1,947
Roundtrip
Found 7 hours ago
Thursday, 23 July, 2026 - Thursday, 30 July, 2026
DEN
Denver
SEA
Seattle
SAR 2,043
Roundtrip
Found 7 hours ago
Thursday, 23 July, 2026 - Thursday, 30 July, 2026
DEN
Denver
SEA
Seattle
SAR 2,048
Roundtrip
Found 7 hours ago
Thursday, 23 July, 2026 - Thursday, 30 July, 2026
DEN
Denver
SEA
Seattle
SAR 2,059
Roundtrip
Found 7 hours ago
Thursday, 23 July, 2026 - Thursday, 30 July, 2026
DEN
Denver
PAE
Seattle
SAR 2,060
Roundtrip
Found 4 days ago
Thursday, 23 July, 2026 - Thursday, 30 July, 2026
DEN
Denver
SEA
Seattle
SAR 2,063
Roundtrip
Found 7 hours ago
Thursday, 23 July, 2026 - Thursday, 30 July, 2026
DEN
Denver
SEA
Seattle
SAR 2,064
Roundtrip
Found 7 hours ago
Thursday, 23 July, 2026 - Thursday, 30 July, 2026
DEN
Denver
SEA
Seattle
SAR 2,262
Roundtrip
Found 7 hours ago
Find the cheapest month to fly from Denver (DEN) to Seattle (SEA)
March is typically the cheapest month to flyMarch is typically the cheapest month to fly
From SAR 270 - SAR 670 per traveler.
Travel information
Origin airport | Denver Intl. Airport |
|---|---|
Destination airport | Seattle-Tacoma International Airport |
Distance | 1,645 km away |
Airlines serving | Alaska Airlines, Frontier Airlines, United, Delta, Southwest Airlines, American Airlines, JetBlue Airways |
Popular airline | Alaska Airlines |
Roundtrip price | SAR 1,873 |
Average flight time | 3 hours 15 mins |
*Available to One Key members.