NZ$989 Cheap Flights Washington to Singapore (IAD-SIN)

View NZ$989 flight on Sat, 23 May 2026Opens in a new window

Popular airlines from Washington Dulles International Airport (IAD) to Changi Airport (SIN)

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Cheap Flights from Washington (IAD) to Singapore (SIN)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, 23 May - Sat, 30 May
IAD
Washington
SIN
Singapore
NZ$2,569 Return, found 5 days ago
NZ$2,569
Return
found 5 days ago
Select American Airlines flight, departing Sat, 23 May from Washington to Singapore, returning Sat, 30 May, priced at NZ$2,569 found 5 days ago
Qatar Airways
Sat, 23 May - Sat, 30 May
IAD
Washington
SIN
Singapore
NZ$2,795 Return, found 5 days ago
NZ$2,795
Return
found 5 days ago
Select Qatar Airways flight, departing Sat, 23 May from Washington to Singapore, returning Sat, 30 May, priced at NZ$2,795 found 5 days ago
Qatar Airways
Sat, 23 May - Sat, 30 May
IAD
Washington
SIN
Singapore
NZ$3,330 Return, found 5 days ago
NZ$3,330
Return
found 5 days ago
Select Qatar Airways flight, departing Sat, 23 May from Washington to Singapore, returning Sat, 30 May, priced at NZ$3,330 found 5 days ago
American Airlines
Sat, 23 May - Sat, 30 May
IAD
Washington
SIN
Singapore
NZ$3,339 Return, found 5 days ago
NZ$3,339
Return
found 5 days ago
Select American Airlines flight, departing Sat, 23 May from Washington to Singapore, returning Sat, 30 May, priced at NZ$3,339 found 5 days ago
Etihad Airways
Sat, 23 May - Sat, 30 May
IAD
Washington
SIN
Singapore
NZ$3,441 Return, found 5 days ago
NZ$3,441
Return
found 5 days ago
Select Etihad Airways flight, departing Sat, 23 May from Washington to Singapore, returning Sat, 30 May, priced at NZ$3,441 found 5 days ago
Etihad Airways
Sat, 23 May - Sat, 30 May
IAD
Washington
SIN
Singapore
NZ$3,494 Return, found 5 days ago
NZ$3,494
Return
found 5 days ago
Select Etihad Airways flight, departing Sat, 23 May from Washington to Singapore, returning Sat, 30 May, priced at NZ$3,494 found 5 days ago
Etihad Airways
Sat, 23 May - Sat, 30 May
IAD
Washington
SIN
Singapore
NZ$3,509 Return, found 5 days ago
NZ$3,509
Return
found 5 days ago
Select Etihad Airways flight, departing Sat, 23 May from Washington to Singapore, returning Sat, 30 May, priced at NZ$3,509 found 5 days ago
Etihad Airways
Sat, 23 May - Sat, 30 May
IAD
Washington
SIN
Singapore
NZ$3,523 Return, found 5 days ago
NZ$3,523
Return
found 5 days ago
Select Etihad Airways flight, departing Sat, 23 May from Washington to Singapore, returning Sat, 30 May, priced at NZ$3,523 found 5 days ago
Air Canada
Sat, 23 May - Sat, 30 May
IAD
Washington
SIN
Singapore
NZ$5,974 Return, found 5 days ago
NZ$5,974
Return
found 5 days ago
Select Air Canada flight, departing Sat, 23 May from Washington to Singapore, returning Sat, 30 May, priced at NZ$5,974 found 5 days ago
Lufthansa
Sat, 23 May - Sat, 30 May
IAD
Washington
SIN
Singapore
NZ$7,728 Return, found 5 days ago
NZ$7,728
Return
found 5 days ago
Select Lufthansa flight, departing Sat, 23 May from Washington to Singapore, returning Sat, 30 May, priced at NZ$7,728 found 5 days ago

Frequently asked questions

How much is a flight from IAD to Singapore Airport?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price listed for a round-trip flight from IAD to SIN was NZ$2,569. Fares this cheap don't last forever, so make sure you book yours ASAP. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Washington Dulles Intl. Airport (IAD) to SIN?
Most flights can be cancelled online, but every air carrier has its own set of terms and conditions. If you do need to cancel your flight, go to our Customer Service Portal and follow the instructions.
How do I find cheap flights from Dulles Intl. Airport to Singapore Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Washington Dulles Intl. Airport (IAD) to Changi Airport (SIN) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Washington Dulles Intl. Airport (IAD) to Changi Airport (SIN)?
Chantilly to Singapore is around 15 500 kilometres, so be prepared to spend a while in the air. Don't forget to pack all the essentials, from your eye mask to your earphones. Throw in a few snacks to munch on throughout your flight too.
Which airlines fly direct from Washington Dulles Intl. Airport (IAD) to Singapore Airport?
You won't find any airlines flying directly between Dulles Intl. Airport and Changi Airport (SIN), so be prepared to make at least one stop on your journey. A layover can be a welcome way to break up a trip!
Are Dulles Intl. Airport to SIN flight tickets cheaper when they're purchased at the last minute?
Booking your trip from Washington Dulles Intl. Airport (IAD) to Singapore Airport at the last minute could be your ticket to an awesome deal. However, you might miss out on a flight altogether! If you'd rather not take any chances, book well ahead of your departure date. In fact, Expedia has some of the best bargains up to 12 months in advance. If your preferred carrier hasn't released tickets yet, check back frequently as deals are updated on Expedia all the time.

Travel information

Origin airport
Washington Dulles Intl.
Destination airport
Changi
Return price
NZ$2,568
Distance
15439 km

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