Seattle to Denver (BFI–DEN) — Airlines, Schedules & Connections
No flights match your filters.
No scheduled airline flights on this route — it's flown by charter / private operators (). No nonstop flights on this route. connecting options below.
Most recently operated nonstop flights — the month shown is when each was last scheduled. Most destinations remain reachable with a connection.
No discontinued nonstop flights on record for this route.
BFI–DEN is served by 4 airlines with nonstop service. Sun Country Airlines, SkyWest Airlines and United Airlines lead the route. The flight covers 1,024 miles in approximately 2h 37m. Beyond nonstop, 1-stop connecting options are also available.
Airline Landscape
| Airline | Freq/wk | Aircraft | Duration | Dep OTP | Alliance | Codeshares |
|---|---|---|---|---|---|---|
| SY Sun Country Airlines | 1 | 738 | 2h37 | – | – | – |
| GXA GXA | 0 | – | – | – | – | – |
| OO SkyWest Airlines | – | – | – | – | – | – |
| UA United Airlines | 0 | – | – | – | Star Alliance | – |
Weekly Schedule Pattern
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 | 4 | 23 | 2 |
| Weekly flights | 1 | 319 | 1 |
| Flight time | 2h 37m | 2h 7m | 2h 15m |
Travel Essentials
BFI: PDT · DEN: MDT
When it's 6:00 PM in Seattle, it's 7:00 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 Sun Country Airlines, 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 is about 2 hours 37 minutes gate to gate. 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
1-stop connecting options are also available. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Seattle (SEA), Everett (PAE) and Olympia (OLM).