Flight
Driving
Bothell to Denver
Updated: 31 May 2026
The trip from Bothell to Denver spans 2,100 km across the Rocky Mountains. The most efficient way to travel is a direct flight from Seattle-Tacoma International Airport (SEA) to Denver International Airport (DEN), lasting about 2.5 hours. Driving is a scenic but long endeavor, typically taking 19 hours via I-90 East and I-80 East. This route takes you through the heart of the Rockies, offering spectacular mountain vistas.
Total Distance: 2,100 km driving distance; 1,650 km straight-line air distance.
Fastest Way
Direct flight from SEA to DEN, total travel time including airport transit is 5 hours.
Cheapest Way
Flight via United or Southwest, often starting at $120.
Compare Bothell to Denver Routes
|
Direct
|
Direct
|
|
|---|---|---|
| Duration | 2 hours 30 mins | 19 hours |
| Avg Price | $120 - $350 | $220 - $400 in fuel |
| Operator | United Airlines | Personal Vehicle |
| Route | SEA to DEN | I-90 E to I-80 E |
| Tip | Denver airport is far from the city; use the A-Line train for $10.50. | Mountain passes can have snow even in late spring; carry chains. |
Travel Tips
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AltitudeDenver is a mile high; drink plenty of water to avoid altitude sickness.
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Airport TransitThe A-Line commuter train is the fastest way to get from the airport to downtown.
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WeatherMountain weather changes rapidly; always dress in layers.
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TransportationDenver has a great light rail system for getting around the metro area.
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BookingBook flights early, as Denver is a major hub and prices fluctuate.
Safety Tips
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DrivingBe cautious of high winds on the plains of Wyoming and Colorado.
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HydrationThe air is very dry; use moisturizer and lip balm.
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Sun ExposureThe sun is stronger at high altitudes; wear sunscreen.
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Winter DrivingCheck road conditions on I-80 before departing during winter months.
People Also Ask
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Is Denver safe?Like any major city, stay aware of your surroundings in downtown areas.
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How do I get from the airport?The RTD A-Line train runs directly to Union Station.
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What is the best time to visit?Summer for hiking, winter for skiing.
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Are there direct flights?Yes, multiple airlines fly non-stop from Seattle to Denver.
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How high is Denver?Denver is exactly one mile above sea level.
Quick Info
- From Bothell, Washington, United States
- To Denver, Colorado, United States
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Modes
Best Time to Travel
June to August for hiking, or December to March for skiing.
Things to Do in Denver
1
Red Rocks Park
Visit the world-famous natural amphitheater. It is a must-see for music lovers and hikers alike.
2
Denver Art Museum
Known for its extensive collection of Indigenous art and unique architecture. Located in the heart of downtown.
3
Union Station
A historic transportation hub now filled with shops, restaurants, and bars. It is the social center of the city.
4
Denver Botanic Gardens
A beautiful urban oasis featuring diverse plant collections. Perfect for a relaxing afternoon walk.
Tags
Bothell to Denver flights
SEA to DEN travel
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cheapest way to Denver from WA
I-90 to I-80 route
Seattle to Denver travel
Colorado travel guide
Bothell transport options
