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Cheap flights from Washington, D.C. Dulles Intl Airport to Singapore from S$ 557

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 25-8. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SIN
18 Aug — 25 Aug1
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
Explore the most affordable flight options available from Dulles Intl to Singapore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 19 July 2026.

Wed 9-915:10
IAD
-
SIN
1 stop30h 30m
Etihad Airways
Wed 23-921:00
SIN
-
IAD
1 stop24h 45m
Etihad Airways
Deal found 15-7S$ 1,167
Sun 23-815:10
IAD
-
SIN
1 stop30h 30m
Etihad Airways
Mon 7-921:00
SIN
-
IAD
1 stop24h 45m
Etihad Airways
Deal found 19-7S$ 1,169
Tue 25-815:10
IAD
-
SIN
1 stop30h 30m
Etihad Airways
Mon 7-921:00
SIN
-
IAD
1 stop24h 45m
Etihad Airways
Deal found 16-7S$ 1,173
Wed 16-915:10
IAD
-
SIN
1 stop30h 30m
Etihad Airways
Wed 7-1021:00
SIN
-
IAD
1 stop24h 45m
Etihad Airways
Deal found 17-7S$ 1,176
Thu 10-915:10
IAD
-
SIN
1 stop30h 30m
Etihad Airways
Thu 24-921:00
SIN
-
IAD
1 stop24h 45m
Etihad Airways
Deal found 19-7S$ 1,178
Mon 28-915:10
IAD
-
SIN
1 stop30h 30m
Etihad Airways
Thu 8-1021:00
SIN
-
IAD
1 stop24h 45m
Etihad Airways
Deal found 19-7S$ 1,179
Mon 31-815:10
IAD
-
SIN
1 stop30h 30m
Etihad Airways
Thu 15-1021:00
SIN
-
IAD
1 stop24h 45m
Etihad Airways
Deal found 16-7S$ 1,180
Sun 30-815:10
IAD
-
SIN
1 stop30h 30m
Etihad Airways
Tue 8-921:00
SIN
-
IAD
1 stop24h 45m
Etihad Airways
Deal found 17-7S$ 1,182
Mon 31-815:10
IAD
-
SIN
1 stop30h 30m
Etihad Airways
Mon 7-921:00
SIN
-
IAD
1 stop24h 45m
Etihad Airways
Deal found 17-7S$ 1,196
Wed 19-815:10
IAD
-
SIN
1 stop30h 30m
Etihad Airways
Wed 16-921:00
SIN
-
IAD
1 stop24h 45m
Etihad Airways
Deal found 16-7S$ 1,197
Wed 2-915:10
IAD
-
SIN
1 stop30h 30m
Etihad Airways
Wed 14-1021:00
SIN
-
IAD
1 stop24h 45m
Etihad Airways
Deal found 17-7S$ 1,202

Find flight deals from Dulles Intl to Singapore

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Singapore (SIN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 19 July 2026.

Round-trip from

S$ 1,167

One-way from

S$ 557

Popular in

December

Cheapest in

April

Average price

S$ 2,204
Etihad Airways
  • Etihad Airways
  • 9-9-23-9
  • 2 total stops
  • 55h 15m total
  • Washington, D.C. to Singapore
Search Deals
Etihad Airways
  • Etihad Airways
  • 25-8
  • 1 total stop
  • 30h 30m total
  • Washington, D.C. to Singapore
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (S$ 196 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (S$ 93 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Dulles Intl to Singapore that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 200,618 searches. Data last updated 19 July 2026.
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
Fastest return journey

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Mon 14-9

21:45-08:45

1 stop23h 00m

Singapore Changi

Sun 4-10

23:05-11:35

1 stop24h 30m

S$ 1,329

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Sun 30-8

06:00-23:55

2 stops29h 55m

Singapore Changi

Mon 7-9

01:25-16:30

2 stops27h 05m

S$ 1,494

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Mon 28-9

08:00-05:00

2 stops33h 00m

Singapore Changi

Thu 8-10

22:00-11:05

1 stop25h 05m

S$ 1,498

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Tue 18-8

08:28-23:55

2 stops27h 27m

Singapore Changi

Wed 2-9

22:00-11:05

1 stop25h 05m

S$ 1,498

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Sun 16-8

08:28-23:55

2 stops27h 27m

Singapore Changi

Sun 30-8

01:25-11:15

1 stop21h 50m

S$ 1,498

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Wed 2-9

13:15-19:15

1 stop42h 00m

Singapore Changi

Mon 12-10

01:25-17:33

2 stops28h 08m

S$ 1,504

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Sun 22-11

13:30-08:45

1 stop30h 15m

Singapore Changi

Sat 28-11

05:10-19:25

1 stop27h 15m

S$ 1,546

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Wed 25-11

22:15-18:05

2 stops30h 50m

Singapore Changi

Tue 8-12

00:05-14:30

2 stops27h 25m

S$ 1,595

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Wed 29-7

01:50-11:55

1 stop22h 05m

Singapore Changi

Sun 6-12

15:45-20:55

1 stop42h 10m

S$ 1,634

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Thu 6-8

13:30-19:15

1 stop41h 45m

Singapore Changi

Fri 14-8

22:00-16:42

2 stops30h 42m

S$ 1,693

Flights are sorted by cheapest return flights first.

Deals found on 18-7

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
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

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 48 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, April is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Singapore (average of S$ 1,304). Flying from Washington, D.C. Dulles Intl Airport to Singapore in December is currently the most expensive (average of S$ 2,517). 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?

Reviews of airlines servicing Singapore

Get insights into the airlines that provide service to Singapore. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Singapore. Reviews last updated 19 July 2026.
Read through reviews of airlines operating flights from Washington, D.C. Dulles Intl Airport to Singapore, such as Qatar Airways and JetBlue. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Qatar Airways
7.3
Good
3,745 reviews
Check prices

Overall

7.3

Crew

7.9

Boarding

7.5

Food

7.3

Comfort

7.3

Entertainment

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2024

IAD - DOH

The cabin crew was courteous and helped ensure that our flight was comfortable by taking time to fulfill our meal orders, snacks, and making sure our carry-on luggage was placed in an overhead bin near our assigned seat.
Qatar Airways
7.3
Good
3,745 reviews
Qatar Airways
7.3
Good
3,745 reviews
Check prices

Overall

7.3

Crew

7.9

Boarding

7.5

Food

7.3

Comfort

7.3

Entertainment

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2024

IAD - DOH

The cabin crew was courteous and helped ensure that our flight was comfortable by taking time to fulfill our meal orders, snacks, and making sure our carry-on luggage was placed in an overhead bin near our assigned seat.
JetBlue
7.1
Good
3,009 reviews
Qatar Airways
7.3
Good
3,745 reviews
Check prices

Overall

7.3

Crew

7.9

Boarding

7.5

Food

7.3

Comfort

7.3

Entertainment

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2024

IAD - DOH

The cabin crew was courteous and helped ensure that our flight was comfortable by taking time to fulfill our meal orders, snacks, and making sure our carry-on luggage was placed in an overhead bin near our assigned seat.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Singapore. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • 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 2 different airlines.

  • 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 23h. Fly via Turkish Airlines, Delta, or Korean Air 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 are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Singapore round-trip?

    JetBlue, at S$ 1,107, was found to be the cheapest airline from Washington, D.C. Dulles Intl Airport to Singapore. An alternate airline flying to your destination would be Qatar Airways. JetBlue is priced at 35% lower than the current average price of a flight leaving 3 months from now.

  • 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, April is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Singapore (average of S$ 1,304). Flying from Washington, D.C. Dulles Intl Airport to Singapore in December is currently the most expensive (average of S$ 2,517). 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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Top 2 airlines flying from Dulles Intl to Singapore

Discover the top 2 airlines that operate flights from Dulles Intl to Singapore. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 200,618 searches. Data last updated 19 July 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapestS$ 1,107AverageS$ 2,551FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
Qatar AirwaysCheapestS$ 1,280AverageS$ 2,194FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights

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How does Cheapflights help users find flights from Dulles Intl to Singapore?

Cheapflights makes it easy to find Dulles Intl to Singapore flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Dulles Intl to Singapore?

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Users can book flights with no change fees policies with our dedicated filters. Book flights from Dulles Intl to Singapore flexibly with Cheapflights today.

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