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Uncover the best deals on Washington to Singapore flights by comparing fares from hundreds of airlines and agencies.
Good to Know: Cheapest and Fastest IAD - SIN Flights
Useful information for finding best airline tickets from Washington Dulles International to Singapore Changi on your next trip.
Cheapest Round Trip Flight
$1544
Etihad Airways
• 2 stops
• 46h 50m
Feb 05 – Feb 22
The cheapest round trip flight from Washington to Singapore (IAD-SIN-IAD) is currently $1544
Cheapest One way Flight
$1354
Qatar Airways
• 1 stop
• 50h
Feb 04
The cheapest one way flight from Washington to Singapore (IAD-SIN) is currently $1354
Fastest Flight
36h 55m
The fastest nonstop flight from Washington to Singapore (IAD-SIN) takes 36h 55m
Top Airlines Flying from Washington to Singapore
Latest Flight Deals from Washington (IAD) to Singapore (SIN)
Compare and book low fare round-trip air tickets from Washington to Singapore. Ideal for travelers with confirmed return itineraries.
Feb 05 - Feb 22, Economy
Washington → Singapore
46h 50m
2:35 PM - 7:45 AM • 2 stops
Washington → Singapore
70h 1m
11:25 AM - 4:26 PM • 3 stops
Etihad Airways
Feb 05 - Feb 22, Economy
Washington → Singapore
62h 38m
6:37 AM - 9:35 AM • 2 stops
Washington → Singapore
30h 25m
3:30 PM - 8:55 PM • 1 stop
Frontier Airlines
Feb 05 - Feb 22, Economy
Washington → Singapore
45h 20m
5:15 PM - 9:35 AM • 2 stops
Washington → Singapore
45h 35m
7:15 PM - 9:50 AM • 2 stops
United Airlines
Feb 05 - Feb 22, Economy
Washington → Singapore
45h 25m
2:35 PM - 7:00 AM • 2 stops
Washington → Singapore
45h 35m
7:15 PM - 9:50 AM • 2 stops
Etihad Airways
Feb 05 - Feb 22, Economy
Washington → Singapore
56h 45m
6:00 PM - 5:05 PM • 1 stop
Washington → Singapore
57h 30m
6:05 PM - 3:55 PM • 1 stop
Lufthansa Airlines
Explore competitive one-way airfare options for IAD - SIN flights. Best suited for flexible or open-ended travel plans.
FAQs on Washington to Singapore Flights
What are the airports in Washington?
IAD,BWI,DCA
What’s the most popular airline flying from IAD to SIN?
The most popular airline flying from Washington to Singapore are
Can I fly from IAD to SIN non-stop?
NO
Which airlines fly nonstop between Washington and Singapore?
The non-stop flights between Washington and Singapore are .
What’s the earliest departure time from IAD to SIN Airport?
The earliest flight leaves IAD at 6:37 am and lands in SIN - Singapore Changi
What are the airports in Singapore?
SIN
Can I make changes to my Washington to Singapore flight tickets or cancel them on FareLeaders.com?
No. We are an airfare comparison site. All the tickets are booked by the travel agent offering the flight deal and any changes or cancellations to be made are directly done directly by them or the airlines.
Can I cancel my flight tickets from IAD to SIN?
Read the fare rules of the Washington to Singapore air tickets booked. Some airlines allow you to cancel the tickets within a stipulated time period with a cancellation fee.
Which airline alliances offer flights from Washington and Singapore?
operate flights between Washington and Singapore
How long does a flight from Washington to Singapore take?
It takes approximately 19 hour to fly non-stop from IAD to SIN, which is 9656.01 miles by air.
Which airlines provide the cheapest flights from Washington (IAD) to Singapore (SIN) ?
In the past couple of days, the cheapest tickets to SIN from IAD were found on LX : USD 3627
Do I need a passport to fly between IAD and SIN?
Yes
What’s the latest departure time from IAD to SIN ?
The last flight leaves IAD at 10:15 pm
Washington (IAD) to Singapore (SIN): Airport Information
| Origin Airport | Washington Dulles International , Washington, US |
| Destination Airport | Singapore Changi , Singapore, SG |
| Distance | 9656 miles |
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