Cheap Flights from Singapore to Washington D.C. from $460
Check out flights from $460 on Fri, Sep 25
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Flights from Singapore to Washington D.C.
What to know about flights from Singapore to Washington D.C.?
The distance between Singapore and Washington D.C. is approximately 15,546.92 km. Based on Trip.com's data, travel demand peaks in January. The cheapest month to book is October.
Cheapest one-way
$460
Air China
SIN-WAS
22h 30m · 1 stop
Fri, Sep 25
Cheapest round-trip
$808
Air China
SIN-WAS
37h 35m · 2 stops
Tue, Oct 20 - Sat, Oct 24
Recommended airlines
When to travel
February
Cheapest
January
Peak season for travel
Route details
15,546.92 km
Flight distance
How can I find cheap flights from Singapore to Washington D.C.?
Explore the cheapest one-way and round-trip flights from Singapore to Washington D.C. over the next 90 days, with one-way fares from $460 and round-trip from $808. Based on Trip.com's latest 7-day flight data.
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One way
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Round-trip
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SIN 5:55 PM37h 35m1 stopIAD 7:30 PMSingapore - Washington D.C. | Tue, Oct 20 | Air China
IAD 11:00 PM34h 55m1 stopSIN 9:55 PMWashington D.C. - Singapore | Sat, Oct 24 | Air China
Price detailsDepartureSIN-IAD
Included
ReturnIAD-SIN
Included
$808 $1,10527% off27% off$1,105 $808 -
SIN 5:55 PM37h 35m1 stopIAD 7:30 PMSingapore - Washington D.C. | Fri, Sep 11 | Air China
IAD 11:00 PM34h 55m1 stopSIN 9:55 PMWashington D.C. - Singapore | Wed, Sep 16 | Air China
Price detailsDepartureSIN-IAD
Included
ReturnIAD-SIN
Included
$810 $1,10527% off27% off$1,105 $810
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SIN 9:00 AM22h 30m1 stopIAD 7:30 PMSingapore - Washington D.C. | Sat, Oct 17 | Air China
IAD 11:00 PM34h 55m1 stopSIN 9:55 PMWashington D.C. - Singapore | Wed, Oct 21 | Air China
Price detailsDepartureSIN-PEKEconomy class
Included
In-flight meals are availableUSB port and power outletPEK-IADEconomy class
Included
In-flight meals are availableUSB port and power outletReturnIAD-PEKEconomy class
Included
In-flight meals are availableUSB port and power outletPEK-SINEconomy class
Included
In-flight meals are availableUSB port and power outlet$810 $1,10527% off27% off$1,105 $810
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SIN 11:55 PM31h 35m1 stopIAD 6:30 PMSingapore - Washington D.C. | Fri, Nov 6 | Air China
IAD 10:00 PM29h 15m1 stopSIN 4:15 PMWashington D.C. - Singapore | Wed, Nov 11 | Air China
Price detailsDepartureSIN-PEKEconomy class
Included
USB port and power outletReturnIAD-PEKEconomy class
Included
USB port and power outletPEK-SINEconomy class
Included
USB port and power outlet$86422% off$1,105 $864
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SIN 5:55 PM37h 35m1 stopIAD 7:30 PMSingapore - Washington D.C. | Fri, Oct 23 | Air China
IAD 11:00 PM34h 55m1 stopSIN 9:55 PMWashington D.C. - Singapore | Wed, Oct 28 | Air China
Price detailsDepartureSIN-IAD
Included
ReturnIAD-SIN
Included
$86622% off$1,105 $866
-
SIN 5:55 PM37h 35m1 stopIAD 7:30 PMSingapore - Washington D.C. | Fri, Oct 16 | Air China
IAD 11:00 PM29h 25m1 stopSIN 4:25 PMWashington D.C. - Singapore | Wed, Oct 21 | Air China
Price detailsDepartureSIN-IAD
Included
ReturnIAD-SIN
Included
$86722% off$1,105 $867
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SIN 9:00 AM22h 30m1 stopIAD 7:30 PMSingapore - Washington D.C. | Sat, Oct 3 | Air China
IAD 11:00 PM29h 25m1 stopSIN 4:25 PMWashington D.C. - Singapore | Sat, Oct 10 | Air China
Price detailsDepartureSIN-IAD
Included
ReturnIAD-SIN
Included
$87421% off$1,105 $874
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SIN 9:00 AM22h 30m1 stopIAD 7:30 PMSingapore - Washington D.C. | Sat, Sep 12 | Air China
IAD 11:00 PM29h 25m1 stopSIN 4:25 PMWashington D.C. - Singapore | Wed, Sep 16 | Air China
Price detailsDepartureSIN-IAD
Included
ReturnIAD-SIN
Included
$88920% off$1,105 $889
-
SIN 11:55 PM31h 35m1 stopIAD 7:30 PMSingapore - Washington D.C. | Fri, Oct 30 | Air China
IAD 10:00 PM34h 55m1 stopSIN 9:55 PMWashington D.C. - Singapore | Wed, Nov 4 | Air China
Price detailsDepartureSIN-IAD
Included
ReturnIAD-SIN
Included
$93016% off$1,105 $930
-
SIN 9:00 AM22h 30m1 stopIAD 7:30 PMSingapore - Washington D.C. | Sat, Oct 10 | Air China
IAD 11:00 PM29h 25m1 stopSIN 4:25 PMWashington D.C. - Singapore | Wed, Oct 14 | Air China
Price detailsDepartureSIN-IAD
Included
ReturnIAD-SIN
Included
$93915% off$1,105 $939
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SIN 1:00 PM17h 25m1 stopWAS 2:00 PMSingapore - Washington D.C. | Wed, Sep 9 | Normal Airline
WAS 3:00 PM6hNonstopSIN 4:00 PMWashington D.C. - Singapore | Fri, Sep 11 | Normal AirlineFind more flightsFind more flights
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SIN 9:00 AM22h 30m1 stopIAD 7:30 PMSingapore - Washington D.C. | Fri, Sep 25 | Air China
Price detailsSIN-PEKEconomy classIn-flight meals are availableUSB port and power outletPEK-IADEconomy classIn-flight meals are availableUSB port and power outlet$460 $65028% off28% off$650 $460
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SIN 5:55 PM37h 35m1 stopIAD 7:30 PMSingapore - Washington D.C. | Thu, Sep 17 | Air China
Price detailsSIN-PEKEconomy classIn-flight meals are availableUSB port and power outlet$466 $65028% off28% off$650 $466
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SIN 5:55 PM37h 35m1 stopIAD 7:30 PMSingapore - Washington D.C. | Mon, Sep 28 | Air China
Price detailsSIN-PEKEconomy classIn-flight meals are availableUSB port and power outlet$467 $65028% off28% off$650 $467
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SIN 5:55 PM37h 35m1 stopIAD 7:30 PMSingapore - Washington D.C. | Thu, Oct 15 | Air China
Price detailsSIN-PEKEconomy classIn-flight meals are availableUSB port and power outlet$53917% off$650 $539
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SIN 9:00 AM22h 30m1 stopIAD 7:30 PMSingapore - Washington D.C. | Fri, Oct 16 | Air China
Price detailsSIN-PEKEconomy classIn-flight meals are availableUSB port and power outletPEK-IADEconomy classIn-flight meals are availableUSB port and power outlet$54316% off$650 $543
-
SIN 5:45 PM37h 45m1 stopIAD 7:30 PMSingapore - Washington D.C. | Mon, Oct 26 | Air China
Price detailsSIN-PEKEconomy classUSB port and power outlet$54716% off$650 $547
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SIN 5:55 PM37h 35m1 stopIAD 7:30 PMSingapore - Washington D.C. | Thu, Oct 22 | Air China
Price detailsSIN-PEKEconomy classIn-flight meals are availableUSB port and power outlet$54716% off$650 $547
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SIN 5:55 PM37h 35m1 stopIAD 7:30 PMSingapore - Washington D.C. | Thu, Oct 1 | Air China
Price detailsSIN-PEKEconomy classIn-flight meals are availableUSB port and power outlet$54916% off$650 $549
-
SIN 9:00 AM22h 30m1 stopIAD 7:30 PMSingapore - Washington D.C. | Fri, Oct 23 | Air China
Price detailsSIN-PEKEconomy classIn-flight meals are availableUSB port and power outletPEK-IADEconomy classIn-flight meals are availableUSB port and power outlet$55015% off$650 $550
-
SIN 9:00 AM22h 30m1 stopIAD 7:30 PMSingapore - Washington D.C. | Fri, Oct 2 | Air China
Price detailsSIN-PEKEconomy classIn-flight meals are availableUSB port and power outletPEK-IADEconomy classIn-flight meals are availableUSB port and power outlet$55215% off$650 $552
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SIN 1:00 PM17h 25m1 stopWAS 2:00 PMSingapore - Washington D.C. | Wed, Sep 9 | Normal AirlineFind more flightsFind more flights
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Which airlines are the most popular for Singapore to Washington D.C. flights?
You can choose from 2 airlines that fly from Singapore to Washington D.C., including EVA Air, Korean Air, Air China has lowest fares on this route.
EVA Air
Korean Air
Airlines are determined based on actual purchased flight tickets from Singapore to Washington D.C. according to previous 12 months data from Trip.com.
Trip.com price insights on flights from Singapore to Washington D.C.
Which month has the cheapest one-way flights from Singapore to Washington D.C.?
Based on Trip.com’s data, the cheapest month for flights from Singapore to Washington D.C. is February, with an average price of $669; while the month with the highest flight price is usually March, with an average price of up to $1,670.
$1,670
$1,170
$669
$169
Frequently Asked Questions
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What are the cheapest flights from Singapore to Washington D.C. (SIN-WAS)?
Based on Trip.com data, Air China offers one-way fares as low as $460 on Cheapest nonstop routes (e.g. SIN to IAD on Fri, Sep 25), while Air China offers Cheapest nonstop round-trips from $808 departing on Tue, Oct 20 and returning on Sat, Oct 24. -
Which airlines offer direct flights from Singapore to Washington D.C.?
At the moment, you can catch a nonstop flight from Singapore to Washington D.C. with the following airlines, including: Scoot Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days. -
When is the best time to book flights from Singapore to Washington D.C.?
By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Singapore to Washington D.C. is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals. -
How can I find the best deals on flights from Singapore to Washington D.C.?
To find best deals on flights from Singapore to Washington D.C., you can use various tools on Trip.com:
· Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Fri, Sep 25, with one-way flights priced at just $460.
· Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Air China.
· Set up price alerts to easily monitor ticket prices without having to check every day.
· Check Trip.com flight deals and promo codes frequently.
· Avoid peak season unless you book very early. It seems the peak season for Washington D.C. travel is around January.
· Get exclusive promo codes for Trip.com app users. -
When are flight tickets from Singapore (SIN) to Washington D.C. (WAS) the cheapest?
The cheapest months to fly from Singapore to Washington D.C. is October, when demand for travel is lower. -
Which upcoming date is cheapest to fly from Singapore to Washington D.C. on?
After crunching the numbers on our September flight calendar, it's currently cheapest to fly from Singapore to Washington D.C. on September 28, 2026 with Air China, with prices starting at $460. -
Which airports can I fly into Washington D.C. from Singapore?
You can arrive at any of the following airports in Washington D.C.: Dulles International Airport (IAD), and Ronald Reagan Washington National Airport (DCA). Flights from Singapore Changi Airport to Dulles International Airport (SIN-IAD) are by far the most popular option for this route. -
Is there any time difference between Singapore and Washington D.C.?
The time difference between Washington D.C. and Singapore is 13h. -
How do I change or cancel my ticket from Singapore to Washington D.C.?
Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages. -
What is the average cost of a one-way flight from Singapore to Washington D.C.?
Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from Singapore to Washington D.C. is $1,176. Fares vary by travel date, airline and availability. -
How do I book flights from Singapore to Washington D.C. on Trip.com?
Enter Singapore and Washington D.C., choose your travel dates and passengers, then compare flights by price, duration and baggage. Select a fare, review the change and cancellation rules, enter traveler details and complete payment to receive your confirmation.
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Note: Prices shown on this page are estimated lowest price and include all taxes and fees found in the last 24 hours.