S$628 Cheap Flights from Washington to Singapore

View S$628 flight on Wed, 14 Oct, 2026Opens in a new window

Popular airlines from Washington Dulles Intl. Airport (IAD) to Singapore Changi Airport (SIN)

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Cheap Flights from Washington to Singapore (IAD-SIN)

Prices were available within the past 7 days and start at S$628 for one-way flights and S$1,192 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Etihad Airways
Sun, 26 Apr - Tue, 12 May
IAD
Washington
SIN
Singapore
S$1,192 Return, found 1 day ago
S$1,192
Return
found 1 day ago
Select Etihad Airways flight, departing Sun, 26 Apr from Washington to Singapore, returning Tue, 12 May, priced at S$1,192 found 1 day ago
Qatar Airways
Sun, 26 Apr - Tue, 12 May
IAD
Washington
SIN
Singapore
S$1,335 Return, found 1 day ago
S$1,335
Return
found 1 day ago
Select Qatar Airways flight, departing Sun, 26 Apr from Washington to Singapore, returning Tue, 12 May, priced at S$1,335 found 1 day ago
Turkish Airlines
Mon, 4 May - Thu, 7 May
IAD
Washington
SIN
Singapore
S$1,471 Return, found 2 days ago
S$1,471
Return
found 2 days ago
Select Turkish Airlines flight, departing Mon, 4 May from Washington to Singapore, returning Thu, 7 May, priced at S$1,471 found 2 days ago
Air Canada
Wed, 2 Sept - Tue, 15 Sept
IAD
Washington
SIN
Singapore
S$1,630 Return, found 2 days ago
S$1,630
Return
found 2 days ago
Select Air Canada flight, departing Wed, 2 Sept from Washington to Singapore, returning Tue, 15 Sept, priced at S$1,630 found 2 days ago
American Airlines
Sun, 26 Apr - Tue, 12 May
IAD
Washington
SIN
Singapore
S$1,630 Return, found 1 day ago
S$1,630
Return
found 1 day ago
Select American Airlines flight, departing Sun, 26 Apr from Washington to Singapore, returning Tue, 12 May, priced at S$1,630 found 1 day ago
EVA Airways
Sun, 6 Sept - Tue, 15 Sept
IAD
Washington
SIN
Singapore
S$1,744 Return, found 14 hours ago
S$1,744
Return
found 14 hours ago
Select EVA Airways flight, departing Sun, 6 Sept from Washington to Singapore, returning Tue, 15 Sept, priced at S$1,744 found 14 hours ago
JetBlue Airways
Fri, 1 May - Sun, 3 May
IAD
Washington
SIN
Singapore
S$1,814 Return, found 2 days ago
S$1,814
Return
found 2 days ago
Select JetBlue Airways flight, departing Fri, 1 May from Washington to Singapore, returning Sun, 3 May, priced at S$1,814 found 2 days ago
Korean Air
Wed, 4 Nov - Sun, 22 Nov
IAD
Washington
SIN
Singapore
S$1,949 Return, found 1 day ago
S$1,949
Return
found 1 day ago
Select Korean Air flight, departing Wed, 4 Nov from Washington to Singapore, returning Sun, 22 Nov, priced at S$1,949 found 1 day ago
Delta
Wed, 2 Sept - Tue, 15 Sept
IAD
Washington
SIN
Singapore
S$1,951 Return, found 2 days ago
S$1,951
Return
found 2 days ago
Select Delta flight, departing Wed, 2 Sept from Washington to Singapore, returning Tue, 15 Sept, priced at S$1,951 found 2 days ago
Lufthansa
Wed, 2 Sept - Tue, 15 Sept
IAD
Washington
SIN
Singapore
S$1,983 Return, found 2 days ago
S$1,983
Return
found 2 days ago
Select Lufthansa flight, departing Wed, 2 Sept from Washington to Singapore, returning Tue, 15 Sept, priced at S$1,983 found 2 days ago

Alternative airports near Singapore

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Changi SIN. Cheapest option available. Average driving time to city centre is 18 minutes. Flights from S$1,335
SIN
Changi
Cheapest
Average driving time to city centre18 min
Flights from S$1,335

Find the cheapest month to fly from Washington (IAD) to Singapore (SIN)

April is typically the cheapest month to fly

From S$1,095 - S$1,835 per traveller.

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 S$1,192. 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
Airlines serving
Air Canada, Air France, All Nippon Airways, American Airlines, British Airways, Delta, EVA Airways, Emirates, Ethiopian Airlines, Etihad Airways, Japan Airlines, KLM, Korean Air, Lufthansa, Malaysia Airlines, Qatar Airways, Swiss International Air Lines, Turkish Airlines, United
Return price
S$1,192
Distance
15439 km

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