Lowest Priced Flights to Denver on Alaska Airlines starting at $79*
Most popular flights to Denver on Alaska Airlines.*
Seattle (SEA)to
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Denver (DEN)Anchorage (ANC)to
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Denver (DEN)Honolulu (HNL)to
Denver (DEN)Fairbanks (FAI)to
Denver (DEN)Fairbanks (FAI)to
Denver (DEN)Juneau (JNU)to
Denver (DEN)Bellingham (BLI)to
Denver (DEN)*Displayed prices have been available within the past 24 hours and may not be available at the time of booking. Fares listed may be Saver fares, which is our most restrictive fare option and subject to additional restrictions. For roundtrip journeys, the price displayed—available within the past 24 hours—is the aggregate of the lowest available fare each way. Additional baggage charges and fees for optional products and services may apply. Other terms and conditions may apply.
Top offers for Denver one-way flights.*
From | To | Fare Type | Dates | Price | |
|---|---|---|---|---|---|
| Seattle (SEA) | Denver (DEN) | One-way | Saver | Depart: Nov 11, 2025 | From $79 Seen: 5 hours ago | |
| Seattle (SEA) | Denver (DEN) | One-way | Saver | Depart: Aug 26, 2025 | From $79 Seen: 12 hours ago | |
| Seattle (SEA) | Denver (DEN) | One-way | Saver | Depart: Aug 27, 2025 | From $79 Seen: 7 hours ago | |
| Seattle (SEA) | Denver (DEN) | One-way | Saver | Depart: Nov 13, 2025 | From $87 Seen: 9 hours ago | |
| Seattle (SEA) | Denver (DEN) | One-way | Saver | Depart: Sep 22, 2025 | From $87 Seen: 11 hours ago | |
| Portland (PDX) | Denver (DEN) | One-way | Saver | Depart: Aug 5, 2025 | From $89 Seen: 11 hours ago | |
| Seattle (SEA) | Denver (DEN) | One-way | Saver | Depart: Aug 5, 2025 | From $98 Seen: 12 hours ago | |
| San Diego (SAN) | Denver (DEN) | One-way | Saver | Depart: Oct 13, 2025 | From $99 Seen: 8 hours ago | |
| San Diego (SAN) | Denver (DEN) | One-way | Saver | Depart: Oct 16, 2025 | From $99 Seen: 5 hours ago | |
| Portland (PDX) | Denver (DEN) | One-way | Saver | Depart: Jul 27, 2025 | From $109 Seen: 5 hours ago | |
| Portland (PDX) | Denver (DEN) | One-way | Saver | Depart: Jul 16, 2025 | From $109 Seen: 14 hours ago | |
| Portland (PDX) | Denver (DEN) | One-way | Saver | Depart: Aug 6, 2025 | From $119 Seen: 15 hours ago | |
| Portland (PDX) | Denver (DEN) | One-way | Saver | Depart: Aug 29, 2025 | From $149 Seen: 13 hours ago | |
| Portland (PDX) | Denver (DEN) | One-way | Saver | Depart: Jul 18, 2025 | From $149 Seen: 4 hours ago | |
| San Francisco (SFO) | Denver (DEN) | One-way | Saver | Depart: Jul 21, 2025 | From $164 Seen: 9 hours ago | |
| San Francisco (SFO) | Denver (DEN) | One-way | Saver | Depart: Jul 26, 2025 | From $164 Seen: 2 hours ago | |
| San Diego (SAN) | Denver (DEN) | One-way | Saver | Depart: Aug 15, 2025 | From $168 Seen: 6 hours ago | |
| Phoenix (PHX) | Denver (DEN) | One-way | Saver | Depart: Jul 16, 2025 | From $192 Seen: 11 hours ago | |
| Anchorage (ANC) | Denver (DEN) | One-way | Saver | Depart: Aug 13, 2025 | From $198 Seen: 17 hours ago | |
| Anchorage (ANC) | Denver (DEN) | One-way | Saver | Depart: Aug 30, 2025 | From $198 Seen: 9 hours ago |
*Displayed prices have been available within the past 24 hours and may not be available at the time of booking. Fares listed may be Saver fares, which is our most restrictive fare option and subject to additional restrictions. For roundtrip journeys, the price displayed—available within the past 24 hours—is the aggregate of the lowest available fare each way. Additional baggage charges and fees for optional products and services may apply. Other terms and conditions may apply.
Plan a trip to Denver
Denver is a great American city where urban accomodation meets Rocky Mountain adventure. Known as the “Mile High City,” Denver blends its outdoorsy vibe with a thriving arts, dining, and craft beer scene. Whether you're exploring the vibrant neighborhoods of RiNo and LoDo or setting off for a day in the mountains to ski, denver is a city where city life and nature go hand in hand. Few destinations offer such effortless access to both downtown culture and alpine escapes. Come see what makes Denver so unforgettable.
Things to do in Denver
- Catch a show at Red Rocks Amphitheatre, a world-famous outdoor venue set in stunning natural rock formations.
- Stroll through the historic streets of Larimer Square and discover unique shops, restaurants, and nightlife.
- Explore the Denver Art Museum and the immersive Meow Wolf installation in the city’s creative core.
- Sample local craft brews along the Denver Beer Trail, home to one of the largest concentrations of breweries in the country.
- Walk or bike along the scenic Cherry Creek Trail or rent a paddleboard at Sloan’s Lake.
- Take a daytrip to shred the powder at famous resorts like Vail, Aspen, Breckenridge, Steamboat, and Arapahoe Basin.
- Take a day trip to Rocky Mountain National Park for fresh air and unforgettable views.
Best time to travel to Denver
The best time to visit Denver is in the spring (April to May) and fall (September to October), when the weather is mild and the crowds are lighter. Summer is popular for festivals, hiking, and patio dining, while winter draws snow lovers with easy access to nearby ski resorts. Thanks to Denver’s high altitude and low humidity, even cooler months often bring sunny, bluebird skies.
Flying into Denver International Airport (DEN)
View airport information for Denver International Airport (DEN)
Not your ideal mountain escape? Explore more Colorado flight deals from Alaska Airlines.
Top Denver routes with Alaska Airlines
- Flights from Seattle to Denver
- Flights from Portland to Denver
- Flights from Anchorage to Denver
- Flights from Honolulu to Denver
- Flights from Fairbanks to Denver
- Flights from San Diego to Denver
- Flights from Juneau to Denver
- Flights from Bellingham to Denver
- Flights from San Francisco to Denver
- Flights from Dallas to Denver
- Flights from Sitka to Denver
- Flights from Phoenix to Denver
- Flights from Pasco to Denver
- Flights from Philadelphia to Denver
- Flights from Redding to Denver