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IAD LAS · 2,060 mi · 4h 35m

Washington D.C. (Dulles) to Las Vegas Flights

Everything you need to know about the IAD → LAS domestic route — flight time, airlines, fares, and booking tips. Track your flight in real time with TripTrack.

$120-$580 round trip · 6+ daily flights · Updated March 2026


✈️ Route Overview

Key facts for the Washington D.C. (Dulles) to Las Vegas route

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Distance
2,060 miles (3,316 km)
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Avg Flight Time
4h 35m
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Timezone Change
-3 hours
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Daily Flights
6+
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Typical Fare
$120-$580 round trip
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Red-Eye Available
Yes — overnight flights available

🛫 Airlines on This Route

Carriers operating IAD → LAS flights

Airline Notes
Delta SkyMiles frequent flyer program
American Airlines AAdvantage frequent flyer program
United MileagePlus frequent flyer program
Southwest Rapid Rewards — bags fly free
Alaska Airlines Mileage Plan — generous earning rates
JetBlue TrueBlue — free snacks, above-average legroom

💡 Booking Tips

How to get the best deal on Washington D.C. (Dulles) to Las Vegas flights

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Best Days to Fly

Midweek departures (Tuesday–Thursday) are generally least expensive

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Fare Range

$120-$580 round trip. Book 3–6 weeks in advance for domestic routes, 2–3 months for international.

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Red-Eye Flights

✓ Available

Overnight flights on this route can save on hotel costs and maximize your time at the destination.

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Track Your Flight

Once booked, TripTrack automatically imports your flight from your confirmation email. Real-time gate changes and delay alerts — no manual entry needed.


🧳 Travel Tips for This Route

Practical advice from frequent travelers on the IAD → LAS route

  • 1 TSA PreCheck or Global Entry is strongly recommended for frequent flyers.
  • 2 Delta One and United Polaris offer lie-flat seats on some transcontinental routes.


📱 Real-Time Flight Tracking

Track Your IAD → LAS Flight — Automatically

TripTrack monitors your flight in real time — gate changes, delays, and departure updates sent to your phone the moment they happen. Connect your Gmail once and your trips appear automatically. No manual entry.


Frequently Asked Questions — Washington D.C. (Dulles) to Las Vegas Flights

How long is the flight from Washington D.C. (Dulles) to Las Vegas?

The average flight time from Washington D.C. (Dulles) (IAD) to Las Vegas (LAS) is 4h 35m. This is an estimate including taxi, climb, and descent time — actual flight time may vary based on winds and routing.

Which airlines fly from Washington D.C. (Dulles) to Las Vegas?

Airlines operating the IAD to LAS route include Delta, American Airlines, United and 3 more. Check each airline's website for current schedules and availability.

How far is Washington D.C. (Dulles) from Las Vegas?

The great-circle distance from Washington D.C. (Dulles) to Las Vegas is 2,060 miles (3,316 km). This is the straight-line distance — actual flight paths may be slightly longer.

What are the cheapest days to fly from Washington D.C. (Dulles) to Las Vegas?

Midweek departures (Tuesday–Thursday) are generally least expensive. Fares on this route typically range $120-$580 round trip.

Is there a time zone change flying from Washington D.C. (Dulles) to Las Vegas?

Yes — there is a -3 hours when flying from Washington D.C. (Dulles) to Las Vegas. TripTrack automatically shows local times for both your departure and arrival airports.

Are there red-eye flights from Washington D.C. (Dulles) to Las Vegas?

Yes, overnight (red-eye) flights are available on the IAD to LAS route. These can be a great way to save on hotel costs and maximize time at your destination.

How can I track my Washington D.C. (Dulles) to Las Vegas flight in real time?

TripTrack automatically tracks your IAD to LAS flight — showing real-time gate changes, delays, and departure updates. Connect your Gmail once and your booking confirmation is imported automatically. Available free on iOS and Android.