
SAR 1,052 Cheap Flights from Seattle (SEA) to Denver (DEN)
Photo by Photo Courtesy of Denver International Airport
Open Photo by Photo Courtesy of Denver International Airport
Popular airlines from Seattle-Tacoma International Airport (SEA) to Denver Intl. Airport (DEN)
- Alaska Airlines
Alaska Airlines
- Frontier Airlines
Frontier Airlines
- Delta
Delta
- United
United
- Southwest Airlines
Southwest Airlines
- American Airlines
American Airlines
- JetBlue Airways
JetBlue Airways
- Be in the knowGet alerts if flight prices drop or rise*
- Book smarterSave on select hotels after you book a flight*
- Find the right fitWe search billions of combinations of flights to help you find your next adventure
Cheap Flights from Seattle to Denver (SEA-DEN)
Prices were available within the past 7 days and start at SAR 1,052 for one-way flights and SAR 1,015 for roundtrip, for the period specified. Prices and availability are subject to change.
Tuesday, 14 July, 2026 - Wednesday, 22 July, 2026
SEA
Seattle
DEN
Denver
SAR 1,015
Roundtrip
Found 21 hours ago
Tuesday, 14 July, 2026 - Thursday, 16 July, 2026
SEA
Seattle
DEN
Denver
SAR 1,128
Roundtrip
Found 21 hours ago
Saturday, 11 July, 2026 - Saturday, 18 July, 2026
SEA
Seattle
DEN
Denver
SAR 1,873
Roundtrip
Found 21 hours ago
Saturday, 11 July, 2026 - Saturday, 18 July, 2026
SEA
Seattle
DEN
Denver
SAR 1,910
Roundtrip
Found 21 hours ago
Saturday, 11 July, 2026 - Saturday, 18 July, 2026
SEA
Seattle
DEN
Denver
SAR 1,947
Roundtrip
Found 21 hours ago
Saturday, 11 July, 2026 - Saturday, 18 July, 2026
SEA
Seattle
DEN
Denver
SAR 1,983
Roundtrip
Found 21 hours ago
Saturday, 11 July, 2026 - Saturday, 18 July, 2026
SEA
Seattle
DEN
Denver
SAR 2,020
Roundtrip
Found 21 hours ago
Saturday, 11 July, 2026 - Saturday, 18 July, 2026
SEA
Seattle
DEN
Denver
SAR 2,144
Roundtrip
Found 21 hours ago
Saturday, 11 July, 2026 - Saturday, 18 July, 2026
SEA
Seattle
DEN
Denver
SAR 2,213
Roundtrip
Found 21 hours ago
Saturday, 11 July, 2026 - Saturday, 18 July, 2026
SEA
Seattle
DEN
Denver
SAR 2,945
Roundtrip
Found 21 hours ago
Travel information
Origin airport | Seattle-Tacoma International Airport |
|---|---|
Destination airport | Denver Intl. Airport |
Distance | 1,645 km away |
Airlines serving | Alaska Airlines, Frontier Airlines, Delta, United, Southwest Airlines, American Airlines, JetBlue Airways |
Popular airline | Alaska Airlines |
Roundtrip price | SAR 1,015 |
Average flight time | 2 hours 47 mins |
*Available to One Key members.