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IAD KTM · 7,700 mi · 14h 25m

Washington D.C. (Dulles) to Kathmandu Flights

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

$690-$3040 round trip · 1-2 daily flights · Updated March 2026


✈️ Route Overview

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

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Distance
7,700 miles (12,392 km)
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Avg Flight Time
14h 25m
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Timezone Change
+9h 45m
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Daily Flights
1-2
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Typical Fare
$690-$3040 round trip
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Red-Eye Available
Yes — overnight flights available

🛫 Airlines on This Route

Carriers operating IAD → KTM flights

Airline Notes
Air India Primary carrier on this route
IndiGo Operates this route
Emirates Operates this route
Qatar Airways Operates this route
Etihad Airways Operates this route
Singapore Airlines Operates this route

💡 Booking Tips

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

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Best Days to Fly

Tuesday, Wednesday, and Saturday typically offer lower fares

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Fare Range

$690-$3040 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 → KTM route

  • 1 Currency exchange at the destination airport is typically better than at origin.
  • 2 Premium Economy offers a meaningful upgrade over Economy on 7–9 hour flights.
  • 3 This ultra-long-haul route (7,700 miles) benefits greatly from lie-flat business class seating.


📱 Real-Time Flight Tracking

Track Your IAD → KTM 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 Kathmandu Flights

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

The average flight time from Washington D.C. (Dulles) (IAD) to Kathmandu (KTM) is 14h 25m. 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 Kathmandu?

Airlines operating the IAD to KTM route include Air India, IndiGo, Emirates and 3 more. Check each airline's website for current schedules and availability.

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

The great-circle distance from Washington D.C. (Dulles) to Kathmandu is 7,700 miles (12,392 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 Kathmandu?

Tuesday, Wednesday, and Saturday typically offer lower fares. Fares on this route typically range $690-$3040 round trip.

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

Yes — there is a +9h 45m when flying from Washington D.C. (Dulles) to Kathmandu. TripTrack automatically shows local times for both your departure and arrival airports.

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

Yes, overnight (red-eye) flights are available on the IAD to KTM 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 Kathmandu flight in real time?

TripTrack automatically tracks your IAD to KTM 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.