The stunning glass architecture of Gardens by the Bay in Singapore showcases modern design and innovative engineering. — flights from Washington to Singapore
DullesSingapore, Singapore

Flights from Dulles to Singapore

Flying time from Dulles (IAD) to Singapore (SIN) is about 19h 55m (15,532 km). Lowest fare seen: $589 one-way, 1 stop (12 Oct 2026).

All flights from Dulles →All flights to Singapore →

Book from $589 one-way

Photo of Singapore: Jurgen Lasa on Pexels.

When you land in Singapore

The airport transfer and the few things worth sorting before you fly.

The stunning glass architecture of Gardens by the Bay in Singapore showcases modern design and innovative engineering. — arriving in Singapore

Airport transfer

SIN → Singapore, booked before you fly

A private driver meets you in arrivals at a price agreed when you book. Book with Welcome Pickups.

See transfer prices
A striking view of the US Capitol dome with flag and blue sky in Washington, DC. — lounges at Washington Dulles AirportWashington Dulles Airport · 3 lounges
Before you flyAirport lounges at Washington Dulles →
Trains, buses and taxi faresSIN to Singapore: getting into town →Early arrival or late flightLuggage storage in Singapore →12 drop-off points

Things to book in Singapore

All 116 things to do in Singapore →
from €24.42
Supertree Grove 4.5 · 1,003 Tiqets reviews
from €6.98
Floral Fantasy 4.6 · 800 Tiqets reviews
from €8.37
Cloud Forest 4.6 · 704 Tiqets reviews
from €6.98
Flower Dome 4.6 · 704 Tiqets reviews

Find hotels in Singapore

Hotels, hostels & more · Trip.com

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Airlines flying Dulles to Singapore

We have not confirmed which airlines fly IAD–SIN nonstop. Search the route to see every carrier selling it today, including connections.

Best time to fly to Singapore

Based on weather and travel conditions in Singapore

Jan
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Aug
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Best monthsGoodAvoid if possible

Singapore is a year-round destination. February–August sees the least rainfall. The northeast monsoon (December–March) brings more rain, but showers are typically short.

Peak season: February – August

More for this trip

Frequently asked questions — Dulles to Singapore flights

How long is the flight from Dulles to Singapore?
Dulles (IAD) and Singapore (SIN) are 15,532 km apart, about 19h 55m of flying time. We have not seen a nonstop fare on this pair, so expect to connect — the cheapest itinerary seen had 1 stop, which adds to the total journey time.
How far is Dulles from Singapore by air?
The great-circle distance between Washington Dulles International Airport and Singapore Changi Airport is 15,532 km (9,651 miles), a ultra long-haul route.
How much does a flight from Dulles to Singapore cost?
The lowest one-way fare seen recently on IAD–SIN was $589 USD with Qatar Airways (1 stop), departing 30 Oct 2026, found in fare searches as of 12 Oct 2026. Fares change constantly and depend on the date, so check the current price before booking.
Do I need a visa to travel from Dulles to Singapore?
It depends on your passport. Some nationalities can enter Singapore visa-free or get a visa on arrival; others must apply in advance. Use AirConnect's Visa Checker to see the rules for your passport.
What is the best time to visit Singapore?
Singapore is a year-round destination. February–August sees the least rainfall. The northeast monsoon (December–March) brings more rain, but showers are typically short.

Sources: fares from Travelpayouts flight-search data, seen 12 Oct 2026; airlines from each carrier's published network and nonstop fares on sale; distance from OurAirports coordinates; flight time estimated from distance. Fares change daily.

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