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Cheap flights from Washington, D.C. Dulles Intl Airport to Singapore from S$ 567

IAD — SIN
19 Nov — 26 Nov1
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

Wed 4-1114:25 -
3 stops28h 55m
Thu 19-1117:55 -
3 stops37h 35m
Deal found 19-10S$ 1,511
Tue 27-1015:25 -
3 stops28h 45m
Wed 4-1112:00 -
3 stops34h 00m
Deal found 19-10S$ 1,519
Thu 12-1109:55 -
2 stops32h 05m
Fri 20-1108:40 -
2 stops39h 48m
Deal found 16-10S$ 1,532
Tue 1-1208:07 -
2 stops31h 53m
Mon 7-1201:40 -
2 stops28h 53m
Deal found 17-10S$ 1,539
Thu 3-1209:55 -
3 stops35h 30m
Thu 10-1217:45 -
1 stop37h 45m
Deal found 19-10S$ 1,542
Tue 24-1117:30 -
1 stop34h 50m
Wed 30-1223:45 -
1 stop28h 50m
Deal found 16-10S$ 1,543
Thu 19-1113:30 -
1 stop30h 15m
Thu 26-1105:10 -
1 stop43h 35m
Deal found 19-10S$ 1,546
Thu 26-1117:45 -
2 stops24h 05m
Wed 30-1223:45 -
1 stop28h 50m
Deal found 16-10S$ 1,551
Wed 21-1010:55 -
1 stop39h 55m
Sun 25-1002:00 -
2 stops30h 05m
Deal found 16-10S$ 1,552
Mon 19-1012:35 -
1 stop30h 05m
Sun 25-1022:20 -
1 stop23h 50m
Deal found 16-10S$ 1,553
Tue 1-1218:50 -
2 stops25h 05m
Fri 15-123:55 -
1 stop33h 10m
Deal found 16-10S$ 1,555

Find flight deals from Dulles Intl to Singapore

Round-trip from

S$ 1,511

One-way from

S$ 567

Popular in

December

Cheapest in

February

Average price

S$ 1,372
4-11-19-11
  • 4-11-19-11
  • 6 total stops
  • 66h 30m total
  • Washington, D.C. to Singapore
Search Deals
25-11-31-12
  • 25-11-31-12
  • 2 total stops
  • 46h 45m total
  • Washington, D.C. to Singapore
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (S$ 219 potential increase over avg. return price).
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Cheapest flight prices on average. 4% potential price decrease (S$ 99 potential savings vs. average return price).
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Average for round-trip flights in October 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.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Washington, D.C.Singapore

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

IADSIN

Washington, D.C. Dulles Intl

Sun 21-2

17:00-05:00

2 stops47h 00m

Singapore Changi

Wed 31-12

00:00-11:30

Nonstop0h 00m

S$ 705

Washington, D.C.Singapore

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

IADSIN

Washington, D.C. Dulles Intl

Wed 27-1

18:30-20:25

2 stops60h 55m

Singapore Changi

Wed 31-12

00:00-11:30

Nonstop0h 00m

S$ 709

Washington, D.C.Singapore

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

IADSIN

Washington, D.C. Dulles Intl

Mon 7-12

11:20-10:25

3 stops34h 05m

Singapore Changi

Wed 31-12

00:00-11:30

Nonstop0h 00m

S$ 760
Fastest return journey

Washington, D.C.Singapore

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

IADSIN

Washington, D.C. Dulles Intl

Sat 13-2

11:50-05:00

1 stop28h 10m

Singapore Changi

Wed 31-12

00:00-11:30

Nonstop0h 00m

S$ 770

Washington, D.C.Singapore

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

IADSIN

Washington, D.C. Dulles Intl

Thu 25-2

07:00-05:00

2 stops33h 00m

Singapore Changi

Wed 31-12

00:00-11:30

Nonstop0h 00m

S$ 787

Washington, D.C.Singapore

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

IADSIN

Washington, D.C. Dulles Intl

Mon 9-11

11:50-05:00

1 stop28h 10m

Singapore Changi

Wed 31-12

00:00-11:30

Nonstop0h 00m

S$ 810

Washington, D.C.Singapore

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

IADSIN

Washington, D.C. Dulles Intl

Wed 11-11

06:00-15:40

2 stops44h 40m

Singapore Changi

Wed 31-12

00:00-11:30

Nonstop0h 00m

S$ 827

Washington, D.C.Singapore

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

IADSIN

Washington, D.C. Dulles Intl

Sat 7-11

06:00-00:20

2 stops29h 20m

Singapore Changi

Wed 31-12

00:00-11:30

Nonstop0h 00m

S$ 843

Washington, D.C.Singapore

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

IADSIN

Washington, D.C. Dulles Intl

Sat 13-2

14:25-09:35

1 stop30h 10m

Singapore Changi

Mon 8-3

17:00-09:00

2 stops29h 00m

S$ 1,555

Washington, D.C.Singapore

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

IADSIN

Washington, D.C. Dulles Intl

Sat 16-1

20:05-10:30

2 stops25h 25m

Singapore Changi

Sun 31-1

21:20-15:55

2 stops31h 35m

S$ 1,565

Flights are sorted by cheapest return flights first.

Deals found on 16-10

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 return 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?

Booking 86 days in advance of your planned departure date is, on average, the best time to get cheap flights from Washington, D.C. Dulles Intl Airport to Singapore. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, February is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Singapore (average of S$ 1,222). Flying from Washington, D.C. Dulles Intl Airport to Singapore in December is currently the most expensive (average of S$ 2,522). 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 for a return flight from Washington, D.C. Dulles Intl Airport to Singapore?

Airfare is typical for this route at the moment.

Washington, D.C. Dulles Intl Airport to Singapore flights typically cost between S$ 1,370 and S$ 1,516 in November.
The cheapest return price found within the last 5 days was S$ 1,511 on Multiple Airlines (4 Nov–19 Nov).

Reviews of airlines servicing Singapore

Read through reviews of airlines operating flights from Washington, D.C. Dulles Intl Airport to Singapore, such as JetBlue. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
JetBlue
7.1
Good
3,059 reviews
Check prices

Comfort

7.4

Entertainment

7.1

Boarding

7.3

Crew

7.9

Food

6.6

Overall

7.1

Reviews

1 / 20
6.0
Good

Anonymous,Jul 2026

ISP - FLL

Had a four delay with family of 5 was not a great day.
JetBlue
7.1
Good
3,059 reviews
JetBlue
7.1
Good
3,059 reviews
Check prices

Comfort

7.4

Entertainment

7.1

Boarding

7.3

Crew

7.9

Food

6.6

Overall

7.1

Reviews

1 / 20
6.0
Good

Anonymous,Jul 2026

ISP - FLL

Had a four delay with family of 5 was not a great day.

Related info for your journey

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

    Located just 16.9 km from the city centre, Singapore Changi is the airport most travellers will use when flying to Singapore from Washington, D.C. Dulles Intl. Booking flights from Washington, D.C. Dulles Intl to Changi (SIN) should be relatively easy as there are 0 daily inbound flights from Washington, D.C. Dulles Intl from 1 airline.

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

    There are many flights that can get you from Washington, D.C. Dulles Intl Airport to Singapore in 25h 25m. Fly via Qatar Airways or United Airlines to get the fastest option. There are 15521 km between Washington, D.C. Dulles Intl Airport and Singapore. This flight may include one or multiple stops.

  • What is the cheapest airline to fly from Washington, D.C. Dulles Intl Airport to Singapore round-trip?

    JetBlue, at S$ 2,421, was found to be the cheapest airline from Washington, D.C. Dulles Intl Airport to Singapore..

  • 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 holiday 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, February is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Singapore (average of S$ 1,222). Flying from Washington, D.C. Dulles Intl Airport to Singapore in December is currently the most expensive (average of S$ 2,522). 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

Browse thousands of different options on Cheapflights for your next trip

Top airline flying from Dulles Intl to Singapore

AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapestS$ 2,421AverageS$ 2,528FlexibilityNo cancel feeOn-time62%
Search JetBlue flights

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