Book cheap flights to Rocky Mountain National Park with Alaska Airlines
Popular flight deals to visit Rocky Mountain National Park*
From | To | Fare Type | Dates | Price |
|---|---|---|---|---|
| Seattle (SEA) | Denver (DEN) | One-way | Saver | Depart: May 6, 2026 | From $109 Seen: 10 hours ago |
| Seattle (SEA) | Denver (DEN) | One-way | Saver | Depart: May 26, 2026 | From $109 Seen: 10 hours ago |
| Seattle (SEA) | Denver (DEN) | One-way | Saver | Depart: Jun 6, 2026 | From $109 Seen: 10 hours ago |
| Seattle (SEA) | Denver (DEN) | One-way | Saver | Depart: Jun 9, 2026 | From $109 Seen: 10 hours ago |
| Seattle (SEA) | Denver (DEN) | One-way | Saver | Depart: May 20, 2026 | From $109 Seen: 10 hours ago |
| Portland (PDX) | Denver (DEN) | One-way | Saver | Depart: May 5, 2026 | From $109 Seen: 10 hours ago |
| Portland (PDX) | Denver (DEN) | One-way | Saver | Depart: May 20, 2026 | From $109 Seen: 10 hours ago |
| Portland (PDX) | Denver (DEN) | One-way | Saver | Depart: May 30, 2026 | From $109 Seen: 10 hours ago |
| Portland (PDX) | Denver (DEN) | One-way | Saver | Depart: Jun 9, 2026 | From $109 Seen: 10 hours ago |
| Portland (PDX) | Denver (DEN) | One-way | Saver | Depart: May 6, 2026 | From $109 Seen: 10 hours ago |
| Kona (KOA) | Denver (DEN) | One-way | Saver | Depart: May 7, 2026 | From $200 Seen: 4 hours ago |
| Anchorage (ANC) | Denver (DEN) | One-way | Saver | Depart: Jul 10, 2026 | From $114 Seen: 25 minutes ago |
| San Francisco (SFO) | Denver (DEN) | One-way | Saver | Depart: May 19, 2026 | From $109 Seen: 10 hours ago |
| San Francisco (SFO) | Denver (DEN) | One-way | Saver | Depart: Jun 9, 2026 | From $122 Seen: 10 hours ago |
| San Francisco (SFO) | Denver (DEN) | One-way | Saver | Depart: Jun 2, 2026 | From $122 Seen: 10 hours ago |
| San Francisco (SFO) | Denver (DEN) | One-way | Saver | Depart: May 12, 2026 | From $124 Seen: 10 hours ago |
| San Francisco (SFO) | Denver (DEN) | One-way | Saver | Depart: May 5, 2026 | From $127 Seen: 10 hours ago |
| San Diego (SAN) | Denver (DEN) | One-way | Saver | Depart: May 16, 2026 | From $79 Seen: 4 hours ago |
| San Diego (SAN) | Denver (DEN) | One-way | Saver | Depart: May 7, 2026 | From $79 Seen: 1 hour ago |
| San Diego (SAN) | Denver (DEN) | One-way | Saver | Depart: Jul 12, 2026 | From $129 Seen: 2 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 Rocky Mountain National Park
Rocky Mountain National Park is a Northern Colorado wilderness escape spanning over 415 square miles. Known for its towering peaks, alpine lakes, and diverse wildlife, the park offers a true taste of the American West. With elevations ranging from 7,500 to over 14,000 feet, Rocky Mountain National Park is home to some of the most dramatic mountain landscapes in the country. Whether you’re hiking through wildflower-filled meadows, spotting elk and bighorn sheep, or taking in the sweeping vistas, this park is a must-visit for any fan of national parks and the outdoors.
Things to do in Rocky Mountain National Park
- Drive the famous Trail Ridge Road, the highest continuous paved road in the U.S., offering views above the treeline.
- Hike to Bear Lake, a family-friendly spot surrounded by picturesque mountain scenery.
- Challenge yourself with a trek to Longs Peak, the park’s iconic “fourteener” at 14,259 feet.
- Visit Alpine Visitor Center, the highest visitor center in the National Park system, to learn about the park’s geology and ecosystems.
- Spot wildlife such as elk, moose, marmots, and bighorn sheep throughout the valleys and high country.
- Explore Emerald Lake Trail, a relatively short but breathtaking hike past multiple alpine lakes.
- In winter, enjoy snowshoeing or cross-country skiing in the quiet, snowy landscapes.
Best time to travel to and visit Rocky Mountain National Park
The best time to visit Rocky Mountain National Park depends on the type of adventure you’re seeking. Summer (June to August) is the most popular season, with warm weather and full access to scenic drives and trails. Fall (September to October) is ideal for crisp mountain air, brilliant golden aspens, and the elk rut. Spring (April to May) brings fewer crowds and the chance to see wildflowers bloom at lower elevations. Winter (November to March) transforms the park into a snowy paradise, perfect for solitude and cold-weather activities.
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