How long is the flight?

The flight from SEA to LAS is about 2.5 hours.

Is driving recommended?

Only for those who enjoy long road trips; it is very tiring.

What is the best way to get around Las Vegas?

Walking, ride-shares, and the monorail are the best options.

No direct train service exists for this route.

Yes, but it is heavily trafficked and can be windy.

Leavenworth

Las Vegas

Flight Driving

Leavenworth to Las Vegas

Updated: 28 May 2026

The journey from Leavenworth to Las Vegas covers approximately 1,800 kilometers. The most efficient way to travel is by flying from Seattle-Tacoma International Airport (SEA) to Harry Reid International Airport (LAS), which takes about 2.5 hours in the air. Driving is a long, desert-heavy trip, requiring roughly 19 hours of driving time via I-84 and I-15. Las Vegas is a world-famous destination for entertainment, gaming, and nightlife. This route takes you through the scenic Pacific Northwest and the high deserts of the West.

Total Distance: 1,850 km driving distance; 1,600 km straight-line air distance.

Fastest Way

Flying from SEA to LAS is the fastest way to reach Las Vegas.

Cheapest Way

Flying is often cheaper than the fuel and hotel costs of a 19-hour drive.

Compare Leavenworth to Las Vegas Routes

	Flight Direct	Driving Direct
Duration	2 hours 30 mins (flight time)	19 hours
Avg Price	$120-$300	$250-$350 in fuel
Operator	Southwest Airlines	Personal Vehicle
Route	SEA to LAS.	I-84 E to I-15 S.
Tip	Direct flights are frequently available from SEA.	Plan for at least one overnight stop if driving.

Travel Tips

Airport Transit
Allow 2.5 hours to drive from Leavenworth to SEA airport.
Driving Strategy
If driving, stop in Boise or Salt Lake City to break up the journey.
Traffic
The Strip can be very congested; use ride-shares or walk when possible.
Hydration
Las Vegas is in the desert; drink plenty of water, especially in summer.
Weather
Summers are extremely hot; plan indoor activities during the day.

Safety Tips

Driving Fatigue
Take frequent breaks on the long drive to stay alert.
Personal Safety
Be aware of your surroundings in crowded tourist areas.
Airport Security
Arrive at SEA at least 2 hours before your flight.
Vehicle Maintenance
Ensure your car is in top condition before attempting a 19-hour drive.