Frontier Airlines operates 5 non-stop routes from Seattle (SEA), serving 1 country with an average sector length of 1,444 km. This is part of Frontier Airlines's 728-route global network.
Non-stop destinations from Seattle on Frontier Airlines
| Destination | IATA | Country | Distance | Duration | Route |
|---|---|---|---|---|---|
| Denver | DEN | USA | 1,647 km | 2h 49m | Route ↗ |
| Ontario | ONT | USA | 1,538 km | 2h 44m | Route ↗ |
| Los Angeles | LAX | USA | 1,534 km | 2h 50m | Route ↗ |
| Las Vegas | LAS | USA | 1,393 km | 2h 38m | Route ↗ |
| Salt Lake City | SLC | USA | 1,107 km | 2h 6m | Route ↗ |
Destinations by country
Frontier Airlines from other airports
- Denver (DEN) — 55 routes
- Orlando (MCO) — 48 routes
- Atlanta (ATL) — 45 routes
- Dallas (DFW) — 35 routes
- Las Vegas (LAS) — 35 routes
Aircraft assignments
We are currently expanding per-airline aircraft data for every route. Until that ships, you can browse by aircraft type at /by-aircraft.
Frequently asked questions
How many destinations does Frontier Airlines serve from Seattle (SEA)?
Frontier Airlines flies to 5 non-stop destinations from Seattle (SEA), spanning 1 country.
What is the longest route Frontier Airlines flies from Seattle?
The longest non-stop route is SEA → DEN (Denver) at 1,647 km.
Which countries does Frontier Airlines fly to from Seattle?
Top destination countries: USA (5).
Does Frontier Airlines operate from other airports?
Yes — Frontier Airlines also operates from Denver (DEN), Orlando (MCO), Atlanta (ATL), Dallas (DFW), Las Vegas (LAS). Total network: 728 routes across the carrier's footprint.