Frontier Airlines flights from DEN to SEA
Find comprehensive Frontier Airlines flight information, schedules, and booking details for direct flights from DEN to 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)
DEN
SEA
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 Flight Schedule from DEN to SEA
| Flight | Airline | Departure | Arrival | Aircraft |
|---|---|---|---|---|
F94545 |  Frontier Airlines | 09:44 | 11:56:00 | Airbus A320neo |
Frontier Airlines Monthly Flight Calendar
December 2025
Route Insights
Pricing patterns: March typically offers lower prices due to reduced demand outside peak travel seasons.
Best departure times: Peak departure times are 9:00, offering more flight options and potentially better connections.
DEN - SEA flight price statistics
$165
ApproximateThe numbers are average prices found based on user searches for direct flights between the airports. It's calculated from the cheapest prices found per month for a round-trip with 1 adult and can vary depending on the amount of data we have for this particular route.
$67
Jan$53
Feb$39
Mar$39
Apr$402
May$413
Jun$224
Jul$130
Aug$124
Sep$128
Oct$128
Nov$228
DecFrontier Airlines Terminal Information
Terminal information for Frontier Airlines on this route is currently being updated. Please check back soon or contact the airports directly for terminal details.
Frequently Asked Questions about Frontier Airlines Flights
How many Frontier Airlines flights operate from DEN to SEA?
Frontier Airlines operates 1 flight from DEN to SEA.
What city does SEA airport serve?
SEA airport serves SeaTac.
How long is the Frontier Airlines flight from DEN to SEA?
The flight duration is approximately 2h 50m - 3h 16m.
What is the distance from DEN to 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.
What is the cheapest month to fly Frontier Airlines from DEN to SEA?
March is typically the cheapest month to fly Frontier Airlines on this route.
What is the average price for a Frontier Airlines flight from DEN to SEA?
The average price for a round-trip Frontier Airlines flight on this route is approximately $165. Prices can vary based on booking time and demand.
How many Frontier Airlines flights operate per week on this route?
Frontier Airlines operates approximately 106 flights per week from DEN to SEA.