Seattle to Denver (BFI–DEN) — Airlines, Schedules & Connections
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No nonstop flights on this route. connecting options below.
BFI–DEN is served by 2 airlines with nonstop service. SkyWest Airlines and United Airlines lead the route. The flight covers 1,024 miles in approximately 3h 22m. Beyond nonstop, 45 hubs offer 1-stop connections.
Airline Landscape
| Airline | Freq/wk | Aircraft | Duration | Dep OTP | Alliance | Codeshares |
|---|---|---|---|---|---|---|
| OO SkyWest Airlines | – | – | – | – | – | – |
| UA United Airlines | – | – | – | – | Star Alliance | – |
Connection Landscape
On-Time Performance
Other ways to reach Denver from Seattle
| Metric | BFI→DEN | SEA→DEN | PAE→DEN |
|---|---|---|---|
| Distance from BFI | – | 5 mi | 26 mi |
| Nonstop airlines | 2 | 11 | 1 |
| Weekly flights | 1 | 183 | 1 |
| Flight time | 3h 22m | 2h 30m | 3h 16m |
Travel Essentials
BFI: MDT · DEN: MDT
When it's 6:00 PM in Seattle, it's 6:00 PM in Denver.
RTD A Line runs to Denver Union Station (37 min, $10.50) with connections to light rail and bus routes. Taxis have meters; expect $55–65 to downtown.DEN's tent-roof Jeppesen Terminal is a single building; all three concourses connect via the underground automated train. Rental cars are on level 5. For ski resorts, shuttle services depart from Ground Transportation.
Semi-arid with 300+ days of sunshine. Summers are dry and warm (27–34°C) with afternoon thunderstorms that produce dramatic but brief delays. Winters bring cold temperatures (−8 to 5°C) and heavy blizzards that can shut down ground operations.
Spring snowstorms can be heavier than midwinter ones. Altitude (5,430 ft) means low humidity year-round; stay hydrated.
BFI–DEN Quick Facts
Frequently Asked Questions
Flights from BFI to DEN
King County International Airport - Boeing Field (BFI) and Denver International Airport (DEN) are connected by nonstop service from SkyWest Airlines and United Airlines. With 1 weekly departures, this is a regularly served route.
BFI to DEN Flight Duration and Schedule
Nonstop flight time from BFI to DEN ranges from 3 hours 22 minutes. The route covers a distance of 1,024 miles (1,648 km). There are approximately 1 weekly flights outbound and 2 return, totaling 3 flights per week in both directions.
Connecting Options and Alternatives
45 one-stop connections are available, with the fastest taking approximately 4 hours via PDX. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Seattle (SEA) and Everett (PAE).