Direct (nonstop) flights from Las Vegas to Seattle

4 airlines fly nonstop from Harry Reid International Airport (LAS) to Seattle Tacoma International (SEA). It's 866 miles (1,393 km), about 2h 51m in the air. Operated by Alaska Airlines, Delta Air Lines, Frontier Airlines and others.

LAS
Harry Reid International Airport
🇺🇸 Las Vegas, USA
SEA
Seattle Tacoma International
🇺🇸 Seattle, USA
Flight Time
2h 51m
Distance
866 mi
1,393 km
CO₂/pax
160 kg
−33 kg vs. layover
Airlines
4
Alaska Airlines +3
Time Diff
Same timezone
Operated by Alaska Airlines Alaska Airlines Delta Air Lines Delta Air Lines Frontier Airlines Frontier Airlines Southwest Airlines Southwest Airlines

Route data last updated: May 30, 2026

Airlines with non-stop flights

Alaska Airlines AS Alaska Airlines
Route
LAS → SEA
Flight Time
2h 51m
Distance
866 mi
Delta Air Lines DL Delta Air Lines
Route
LAS → SEA
Flight Time
2h 51m
Distance
866 mi
Frontier Airlines F9 Frontier Airlines
Route
LAS → SEA
Flight Time
2h 51m
Distance
866 mi
Southwest Airlines WN Southwest Airlines
Route
LAS → SEA
Flight Time
2h 51m
Distance
866 mi

Alternative Routes

Other ways to fly from Las Vegas to Seattle with one stop · direct emits 160 kg CO₂ per passenger

LAS RNO (Reno) SEA
Leg 1: 1h 25m (346 mi) Leg 2: 2h 2m (562 mi) Total: ~3h 27m 🍃 193 kg CO₂ (+21% vs. direct)
Leg 1
LAS → RNO
1h 25m · 346 mi
View LAS to RNO flights →
Leg 2
RNO → SEA
2h 2m · 562 mi
View RNO to SEA flights →
LAS RDM (Redmond) SEA
Leg 1: 2h 5m (646 mi) Leg 2: 1h 23m (227 mi) Total: ~3h 28m 🍃 187 kg CO₂ (+17% vs. direct)
Leg 1
LAS → RDM
2h 5m · 646 mi
View LAS to RDM flights →
Leg 2
RDM → SEA
1h 23m · 227 mi
View RDM to SEA flights →
LAS PDX (Portland) SEA
Leg 1: 2h 27m (762 mi) Leg 2: 1h 5m (129 mi) Total: ~3h 32m 🍃 190 kg CO₂ (+19% vs. direct)
Leg 1
LAS → PDX
2h 27m · 762 mi
View LAS to PDX flights →
Leg 2
PDX → SEA
1h 5m · 129 mi
View PDX to SEA flights →
LAS BOI (Boise) SEA
Leg 1: 1h 50m (519 mi) Leg 2: 1h 42m (398 mi) Total: ~3h 32m 🍃 195 kg CO₂ (+22% vs. direct)
Leg 1
LAS → BOI
1h 50m · 519 mi
View LAS to BOI flights →
Leg 2
BOI → SEA
1h 42m · 398 mi
View BOI to SEA flights →
LAS EUG (Eugene) SEA
Leg 1: 2h 12m (699 mi) Leg 2: 1h 20m (233 mi) Total: ~3h 32m 🍃 197 kg CO₂ (+23% vs. direct)
Leg 1
LAS → EUG
2h 12m · 699 mi
View LAS to EUG flights →
Leg 2
EUG → SEA
1h 20m · 233 mi
View EUG to SEA flights →

Frequently Asked Questions

How long is the direct flight from Las Vegas to Seattle?

A nonstop flight from Las Vegas (LAS) to Seattle (SEA) takes approximately 2 hours and 51 minutes. The distance is 866 miles (1,393 km).

Which airlines fly nonstop from Las Vegas to Seattle?

4 airlines: Alaska Airlines, Delta Air Lines, Frontier Airlines, Southwest Airlines.

Is there a nonstop flight from Las Vegas to Seattle?

Yes. 4 airlines: Alaska Airlines, Delta Air Lines, Frontier Airlines, Southwest Airlines.

How far is Las Vegas from Seattle?

The flight distance from Las Vegas to Seattle is 866 miles (1,393 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as London to Madrid.

What type of aircraft flies from Las Vegas to Seattle?

At 2h 51m, this route typically uses narrow-body or mid-range jets — Boeing 737 MAX or Airbus A320neo. Varies by airline.

What is the carbon footprint of a flight from Las Vegas to Seattle?

Roughly 160 kg CO2 per passenger one-way. That's about the same as driving 800 km.

Is the return flight from Seattle to Las Vegas also nonstop?

Yes — nonstop flights run both ways. Flight time may differ slightly due to wind patterns.

When is the cheapest time to fly from Las Vegas to Seattle?

Midweek flights (Tue/Wed) outside holiday peaks are usually cheapest. 3-6 weeks ahead is a good window for this route. Use "Check Prices" above to compare.

How early should I arrive at Harry Reid International Airport for this flight?

1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.