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Cheap flights from Washington, D.C. Dulles Intl Airport to Singapore from C$ 754

IAD — SIN
5 Oct — 12 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Dulles Intl to Singapore

Enter your travel dates to find the best prices.

Cheapest flights from Dulles Intl to Singapore

Sun 13/93:10 p.m. -
1 stop30h 30m
Wed 30/99:00 p.m. -
1 stop24h 45m
Deal found 31/8C$ 1,427
Fri 11/91:15 p.m. -
1 stop27h 45m
Fri 25/910:00 p.m. -
1 stop25h 05m
Deal found 31/8C$ 1,473
Mon 7/98:28 a.m. -
2 stops32h 32m
Sun 20/91:25 a.m. -
2 stops26h 52m
Deal found 31/8C$ 1,476
Fri 11/910:15 a.m. -
2 stops30h 45m
Sun 27/97:30 a.m. -
1 stop39h 35m
Deal found 31/8C$ 1,480
Sat 12/93:10 p.m. -
1 stop30h 30m
Mon 28/99:00 p.m. -
1 stop24h 45m
Deal found 31/8C$ 1,482
Mon 14/91:15 p.m. -
1 stop27h 45m
Tue 29/910:00 p.m. -
2 stops28h 11m
Deal found 31/8C$ 1,488
Mon 21/93:10 p.m. -
1 stop30h 30m
Mon 5/109:00 p.m. -
1 stop24h 45m
Deal found 1/9C$ 1,492
Fri 11/910:15 a.m. -
2 stops30h 45m
Thu 24/910:00 p.m. -
2 stops28h 11m
Deal found 31/8C$ 1,495
Mon 28/91:15 p.m. -
1 stop42h 00m
Thu 8/1010:00 p.m. -
2 stops38h 42m
Deal found 31/8C$ 1,496
Wed 16/93:10 p.m. -
1 stop30h 30m
Wed 30/99:00 p.m. -
1 stop24h 45m
Deal found 31/8C$ 1,506
Wed 4/112:35 p.m. -
1 stop30h 00m
Fri 13/117:25 p.m. -
1 stop26h 40m
Deal found 4/9C$ 1,512

Find flight deals from Dulles Intl to Singapore

Round-trip from

C$ 1,427

One-way from

C$ 754

Popular in

December

Cheapest in

April

Average price

C$ 1,594
Etihad Airways
  • Etihad Airways
  • 17/9-29/9
  • 2 total stops
  • 55h 15m total
  • Washington, D.C. to Singapore
Search Deals
19/10-31/12
  • 19/10-31/12
  • 3 total stops
  • 52h 30m total
  • Washington, D.C. to Singapore
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (C$ 234 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 107 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2026
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Singapore that are best for you.

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Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Singapore

IAD Washington, D.C. Dulles Intl - SIN Singapore Changi

IADSIN

Washington, D.C. Dulles Intl

Wed 24/2

6:10 a.m.-11:50 a.m.

2 stops40h 40m

Singapore Changi

Wed 31/12

12:00 a.m.-11:30 a.m.

Nonstop0h 00m

C$ 828

Washington, D.C.Singapore

IAD Washington, D.C. Dulles Intl - SIN Singapore Changi

IADSIN

Washington, D.C. Dulles Intl

Sat 14/11

11:50 a.m.-5:00 a.m.

1 stop28h 10m

Singapore Changi

Wed 31/12

12:00 a.m.-11:30 a.m.

Nonstop0h 00m

C$ 832

Washington, D.C.Singapore

IAD Washington, D.C. Dulles Intl - SIN Singapore Changi

IADSIN

Washington, D.C. Dulles Intl

Wed 20/1

11:50 a.m.-8:25 p.m.

1 stop43h 35m

Singapore Changi

Wed 31/12

12:00 a.m.-11:30 a.m.

Nonstop0h 00m

C$ 832

Washington, D.C.Singapore

IAD Washington, D.C. Dulles Intl - SIN Singapore Changi

IADSIN

Washington, D.C. Dulles Intl

Mon 15/2

6:00 a.m.-5:00 a.m.

2 stops34h 00m

Singapore Changi

Wed 31/12

12:00 a.m.-11:30 a.m.

Nonstop0h 00m

C$ 836

Washington, D.C.Singapore

IAD Washington, D.C. Dulles Intl - SIN Singapore Changi

IADSIN

Washington, D.C. Dulles Intl

Thu 28/1

6:30 p.m.-8:25 p.m.

2 stops36h 55m

Singapore Changi

Wed 31/12

12:00 a.m.-11:30 a.m.

Nonstop0h 00m

C$ 839

Washington, D.C.Singapore

IAD Washington, D.C. Dulles Intl - SIN Singapore Changi

IADSIN

Washington, D.C. Dulles Intl

Sat 3/10

6:07 p.m.-5:00 a.m.

2 stops46h 53m

Singapore Changi

Wed 31/12

12:00 a.m.-11:30 a.m.

Nonstop0h 00m

C$ 877

Washington, D.C.Singapore

IAD Washington, D.C. Dulles Intl - SIN Singapore Changi

IADSIN

Washington, D.C. Dulles Intl

Mon 5/10

6:47 p.m.-11:55 p.m.

2 stops41h 08m

Singapore Changi

Wed 31/12

12:00 a.m.-11:30 a.m.

Nonstop0h 00m

C$ 893
Quickest round-trip

Washington, D.C.Singapore

IAD Washington, D.C. Dulles Intl - SIN Singapore Changi

IADSIN

Washington, D.C. Dulles Intl

Tue 29/9

11:05 a.m.-9:15 p.m.

1 stop22h 10m

Singapore Changi

Wed 31/12

12:00 a.m.-11:30 a.m.

Nonstop0h 00m

C$ 912

Washington, D.C.Singapore

IAD Washington, D.C. Dulles Intl - SIN Singapore Changi

IADSIN

Washington, D.C. Dulles Intl

Sun 17/1

2:35 p.m.-9:35 a.m.

1 stop30h 00m

Singapore Changi

Wed 17/2

7:25 p.m.-9:05 a.m.

1 stop26h 40m

C$ 1,512

Washington, D.C.Singapore

IAD Washington, D.C. Dulles Intl - SIN Singapore Changi

IADSIN

Washington, D.C. Dulles Intl

Wed 13/1

2:35 p.m.-9:35 a.m.

1 stop30h 00m

Singapore Changi

Thu 11/2

7:25 p.m.-9:05 a.m.

1 stop26h 40m

C$ 1,583

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/9

Showing 1-10 of 19 resultsSorted by cheapest first
1
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Best time to book a flight from Dulles Intl to Singapore

Have a flexible travel schedule? Discover the best time to fly to Singapore from Dulles Intl with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to Singapore

How far ahead should I book a flight from Washington, D.C. Dulles Intl Airport to Singapore?

To ensure you get the cheapest price possible for a flight from Washington, D.C. Dulles Intl Airport to Singapore, you should look to book at least 86 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Singapore?

Currently, April is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Singapore (average of C$ 1,477). Flying from Washington, D.C. Dulles Intl Airport to Singapore in December is currently the most expensive (average of C$ 2,689). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from Washington, D.C. Dulles Intl Airport to Singapore?

Airfare is below average for this route at the moment.

Washington, D.C. Dulles Intl Airport to Singapore flights typically cost between C$ 1,554 and C$ 1,691 in September.
The cheapest round-trip price found within the last 5 days was C$ 1,427 on Etihad Airways (17 Sep-29 Sep).

Related info for your journey

  • What airport do you fly into for flights to Singapore from Washington, D.C. Dulles Intl?

    Singapore Changi (SIN), located 16.9 km from the city centre, is the airport you fly into when you book flights from Washington, D.C. Dulles Intl to Singapore. 0 airlines have flights to Changi from Washington, D.C. Dulles Intl on a regular basis. Booking flights from Washington, D.C. Dulles Intl to Singapore Changi should not be difficult; the airport handles an average of 0 inbound flights from Washington, D.C. Dulles Intl per day.

  • How long is the flight from Washington, D.C. Dulles Intl Airport to Singapore?

    Airlines like Etihad Airways and Korean Air fly from Washington, D.C. Dulles Intl Airport to Singapore in about 27h 47m. The time it takes to get you to your destination can typically vary by up to 2h 43m. The distance from Washington, D.C. Dulles Intl Airport to Singapore is about 15521 km. Both multi-stop and direct flights can be found to your destination and back.

  • Can I find deals for flights from Dulles Intl to Singapore that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to Singapore flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to Singapore?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Singapore.

  • Can I find deals for business class flights from Dulles Intl to Singapore?

    Yes. Cheapflights offers flight deals from Dulles Intl to Singapore by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Singapore?

    Currently, April is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Singapore (average of C$ 1,477). Flying from Washington, D.C. Dulles Intl Airport to Singapore in December is currently the most expensive (average of C$ 2,689). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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When you search for this flight from Dulles Intl to Singapore, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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