Washington D.C. (Dulles) to Singapore Flights
Everything you need to know about the IAD → SIN international route — flight time, airlines, fares, and booking tips. Track your flight in real time with TripTrack.
✈️ Route Overview
Key facts for the Washington D.C. (Dulles) to Singapore route
🛫 Airlines on This Route
Carriers operating IAD → SIN flights
| Airline | Notes |
|---|---|
| Singapore Airlines | Primary carrier on this route |
| AirAsia | Operates this route |
| Garuda Indonesia | Operates this route |
| Philippine Airlines | Operates this route |
| Vietnam Airlines | Operates this route |
| Bangkok Airways | Operates this route |
💡 Booking Tips
How to get the best deal on Washington D.C. (Dulles) to Singapore flights
Best Days to Fly
Midweek departures (Tuesday–Thursday) are generally least expensive
Fare Range
$870-$3800 round trip. Book 3–6 weeks in advance for domestic routes, 2–3 months for international.
Red-Eye Flights
✓ Available
Overnight flights on this route can save on hotel costs and maximize your time at the destination.
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 → SIN route
- 1 Visa requirements vary widely across Southeast Asia; check before booking.
- 2 AirAsia offers budget fares across Southeast Asia.
- 3 This ultra-long-haul route (9,650 miles) benefits greatly from lie-flat business class seating.
🏢 Airport Guides
Full terminal, transit, and traveler info for both airports
Track Your IAD → SIN 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 Singapore Flights
How long is the flight from Washington D.C. (Dulles) to Singapore?
The average flight time from Washington D.C. (Dulles) (IAD) to Singapore (SIN) is 17h 50m. 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 Singapore?
Airlines operating the IAD to SIN route include Singapore Airlines, AirAsia, Garuda Indonesia and 3 more. Check each airline's website for current schedules and availability.
How far is Washington D.C. (Dulles) from Singapore?
The great-circle distance from Washington D.C. (Dulles) to Singapore is 9,650 miles (15,530 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 Singapore?
Midweek departures (Tuesday–Thursday) are generally least expensive. Fares on this route typically range $870-$3800 round trip.
Is there a time zone change flying from Washington D.C. (Dulles) to Singapore?
Yes — there is a +12 hours when flying from Washington D.C. (Dulles) to Singapore. TripTrack automatically shows local times for both your departure and arrival airports.
Are there red-eye flights from Washington D.C. (Dulles) to Singapore?
Yes, overnight (red-eye) flights are available on the IAD to SIN 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 Singapore flight in real time?
TripTrack automatically tracks your IAD to SIN 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.