Flights operate between Denver (DEN) and SeaTac (SEA).
1 airline operates this route with 8-20 flights daily flights.
Average flight time is 2h 50m - 3h 16m.
Route distance is 1028 miles (1654 km).
Route Distance
1028 miles (1654 km)
Average Duration
2h 50m - 3h 16m
Airlines Operating This Route
Frontier Airlines
Flight Frequency
Daily Flights
8-20 flights
Weekly Flights
106
Typical Departure Time Ranges
Earliest Departure
09:44
Latest Departure
09:44
Route Intelligence Dashboard
Overall Connectivity Score
35
ModerateRoute Diversity
1
Direct Routes
Frontier Airlines serves 1 destination from DEN
Weekly Frequency
7
Weekly Flights
Trend: Stable
Top 1 Most Frequent Routes - Details
| Route | Weekly Flights | Duration | Distance | Reliability |
|---|---|---|---|---|
| DEN → SeaTac (SEA) (SEA) | 7/week | 2h 50m - 3h 16m | 1,028 km | Seasonal |
Flight Schedule & Filters
Frontier Airlines flights from Denver (DEN) to SeaTac (SEA)
Frontier Airlines operates scheduled nonstop flights between Denver (DEN) and SeaTac (SEA). Frontier Airlines operates 8-20 flights daily flights on this route.• Flight Duration: 2h 50m - 3h 16m (average flight time)• Distance: 1028 miles (1654 km) (air miles between airports)• Daily Flights: 8-20 flights (scheduled departures per day)
Denver (DEN)
US
SeaTac (SEA)
US
FLIGHT TIME
2h 50m - 3h 16m
FLIGHT DISTANCE
1028 miles (1654 km)
3h 12m - 3h 12m
09:44
09:44
1028 miles (1654 km)
March
1 (Show)
106
Frontier Airlines Terminal Information & Contact
Departure Terminal - Denver (DEN)
Terminal: 1
Phone: 1 866-807-7258
Location: 1, Denver, US
Arrival Terminal - SeaTac (SEA)
Terminal: 1
Phone: 1 866-807-7258
Location: 1, Seattle, US
Frontier Airlines Flight Schedule from Denver (DEN) to SeaTac (SEA)
| Flight | Airline | Departure | Arrival | Aircraft |
|---|---|---|---|---|
F94545 |  Frontier Airlines | 09:44 | 11:56:00 | Airbus A320neo |
Frontier Airlines Monthly Flight Calendar
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Frontier Airlines Terminal Information
Departure Terminal at Denver (DEN):
Terminal 1:
• Frontier Airlines Terminal Phone: 1 866-807-7258
Arrival Terminal at SeaTac (SEA):
Terminal 1:
• Frontier Airlines Terminal Phone: 1 866-807-7258
Frontier Airlines Contact Information and Customer Services
Frontier Airlines Address
4545 Airport Way
Denver, Colorado 80239, United States
Official Website
flyfrontier.comFrequently Asked Questions
How many Frontier Airlines flights operate from Denver (DEN) to Seattle (SEA)?
Frontier Airlines operates 1 flight from Denver (DEN) to Seattle (SEA).
What city does Seattle (SEA) airport serve?
Seattle (SEA) airport serves SeaTac, US.
How long is the Frontier Airlines flight from Denver (DEN) to Seattle (SEA)?
The flight duration is approximately 2h 50m - 3h 16m.
What is the distance from Denver (DEN) to Seattle (SEA)?
The distance is 1028 miles (1654 km).
What aircraft does Frontier Airlines use on this route?
Frontier Airlines uses Airbus A320neo on this route.
Which other airlines operate on this route?
4 other airlines operate on this route: United Airlines, Delta Air Lines, Alaska Airlines and 1 more.
Which terminal does Frontier Airlines use at Denver (DEN)?
Frontier Airlines flights from Denver (DEN) depart from Terminal 1. Terminal 1 phone: 1 866-807-7258.
View all Frontier Airlines flights to Denver (DEN) →
Popular Frontier Airlines routes from Denver include multiple destinations.
Route data verified regularly by Triposia Travel Research Team.