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$439+ Cheap flights from Dulles Intl (IAD) to Singapore (SIN)

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 12/1. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SIN
Nov 25 — Dec 21
Mon 11/25
Mon 12/2
1 adult, Economy
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The best prices from Washington, D.C. Dulles Intl to Singapore Changi are usually found in November or March, booked 73 days in advance, depart on a Friday or Wednesday and return on a Friday

Cheap 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 November 20, 2024.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Popular in

June

Cheapest in

November

Round-trip from

$878
(oojo)

One-way from

$439
(oojo)
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Singapore Changi flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Singapore Changi flights.
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High demand for flights, 23% potential price rise
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Best time to find cheap flights, 21% potential price drop
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From Washington, D.C. Dulles Intl to Singapore Changi
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One-way flight from Washington, D.C. Dulles Intl to Singapore Changi
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Find flight deals from Dulles Intl to Singapore

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 November 20, 2024.

This oojo deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/12:00 pmIAD - SIN
1 stop29h 45mTurkish Airlines
Sun 12/85:05 amSIN - IAD
1 stop44h 10mTurkish Airlines
Deal found 11/19$878
This Gotogate deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/42:00 pmIAD - SIN
1 stop29h 45mMultiple Airlines
Sat 12/75:00 pmSIN - IAD
1 stop34h 45mMultiple Airlines
Deal found 11/20$980
This Qatar Airways deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/228:05 pmIAD - SIN
1 stop29h 50mQatar Airways
Tue 12/33:15 amSIN - IAD
1 stop25h 40mQatar Airways
Deal found 11/20$1,175
This United Airlines deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/256:30 amIAD - SIN
1 stop24h 45mUnited Airlines
Mon 12/910:10 amSIN - IAD
1 stop22h 19mUnited Airlines
Deal found 11/20$1,186
This Air Canada deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/32:35 pmIAD - SIN
2 stops28h 20mAir Canada
Tue 12/1010:00 amSIN - IAD
2 stops23h 38mAir Canada
Deal found 11/19$1,368
This ANA deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure ANA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/281:05 pmIAD - SIN
2 stops28h 50mANA
Sun 12/1510:20 pmSIN - IAD
1 stop23h 50mANA
Deal found 11/19$1,383
This Gurufare deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/278:40 pmIAD - SIN
2 stops29h 10mEthiopian Air
Tue 12/172:00 amSIN - IAD
2 stops30h 05mEthiopian Air
Deal found 11/19$1,444
This Booking.com deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/299:25 pmIAD - SIN
2 stops30h 55mIndiGo
Thu 1/97:40 pmSIN - IAD
2 stops36h 50mIndiGo
Deal found 11/20$1,482

Find flights from Dulles Intl to Singapore within your budget

Customize 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 2,629,791 searches. Data last updated November 20, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Tue 2/25

10:00 am-7:00 am

1 stop32h 00m

Singapore Changi

Sun 3/23

11:00 pm-7:50 am

1 stop44h 50m

$871

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Thu 2/27

2:00 pm-5:35 pm

1 stop38h 35m

Singapore Changi

Fri 3/14

10:25 am-1:15 pm

1 stop38h 50m

$873

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Wed 2/26

9:30 pm-4:10 pm

2 stops29h 40m

Singapore Changi

Wed 3/5

5:00 pm-2:45 pm

1 stop34h 45m

$942

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Tue 4/1

9:05 pm-3:45 pm

1 stop30h 40m

Singapore Changi

Sun 5/11

2:15 am-4:10 pm

1 stop25h 55m

$953

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Sat 4/5

10:00 pm-9:45 am

1 stop23h 45m

Singapore Changi

Fri 4/18

8:55 pm-4:35 pm

1 stop31h 40m

$985

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Wed 2/26

5:55 pm-3:30 pm

2 stops56h 35m

Singapore Changi

Wed 3/5

5:00 pm-2:45 pm

1 stop34h 45m

$1,047

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Thu 3/6

8:05 pm-8:45 am

1 stop23h 40m

Singapore Changi

Sat 3/15

3:15 am-4:55 pm

1 stop25h 40m

$1,112

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Wed 2/26

8:40 pm-2:50 pm

2 stops29h 10m

Singapore Changi

Tue 3/25

2:00 am-7:50 pm

2 stops29h 50m

$1,151

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Fri 3/14

10:25 pm-5:20 pm

2 stops30h 55m

Singapore Changi

Sat 3/22

7:40 pm-8:30 pm

2 stops36h 50m

$1,165

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Tue 4/1

5:00 pm-11:55 am

2 stops30h 55m

Singapore Changi

Mon 5/12

9:45 am-5:55 am

2 stops32h 10m

$1,169

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/18

Showing 1-10 of 22 results
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Compare providers for flights from Dulles Intl to Singapore

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Dulles Intl to Singapore in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightnetworkPrice Accuracy3 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
oojoPrice Accuracy3 starsTrust Score*3 stars
FlightsMojoPrice Accuracy-Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Singapore flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Washington, D.C. Dulles Intl Airport-Singapore flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Singapore flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Singapore flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Dulles Intl Airport-Singapore flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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
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.

Travel insights for flights from Dulles Intl to Singapore

Get recent, data-driven insights about flights from Dulles Intl to Singapore including ideal travel times, pricing trends, and more.

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

Use this chart to determine the optimal time to book a round-trip flight from Dulles Intl to Singapore. Price data was last updated on November 15, 2024.

Booking 73 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, September is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Singapore (average of $1,011). Flying from Washington, D.C. Dulles Intl Airport to Singapore in June is currently the most expensive (average of $1,556). 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.

What is the cheapest time of day to fly from IAD to SIN?

Find hourly flight availability from Dulles Intl to Singapore. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 20, 2024.

One of the essential ways to save on airfare from Washington, D.C. Dulles Intl Airport to Singapore is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 25% on airfare.

What is the cheapest day to fly from Washington, D.C. Dulles Intl Airport to Singapore?

Use this chart to determine the cheapest time to fly round-trip from Dulles Intl to Singapore. Price data was last updated on November 18, 2024.

Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to Singapore flight should consider departing on Tuesday evenings when fares are most often at their lowest. Friday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Singapore by month

Plan your trip to Singapore by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Singapore ranges from 5.9 - 10.6 inches per month. December is typically the wettest month, when rainfall can reach 10.6 in. July is typically the driest time to visit Singapore when rainfall is around 5.9 in.

Temperature in Singapore by month

Plan your trip to Singapore by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Singapore, use this chart to help with planning. For those seeking warmer temperatures, March is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 78.8 F).

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 November 20, 2024.
Get a feel of what it's like to fly with Turkish Airlines and Qatar Airways from Washington, D.C. to Singapore by reading reviews from past customers. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
ANA
8.4
Very good
833 reviews

Boarding

8.6

Overall

8.4

Crew

8.7

Entertainment

7.9

Comfort

8.2

Food

7.7

Reviews

1 / 10

I hate the assigned seat from Japan to Chicago it was a long flight and I was assigned in the most uncomfortable area, the worst is I can't check in online makes it more worse.

ANA
8.4
Very good
833 reviews
ANA
8.4
Very good
833 reviews

Boarding

8.6

Overall

8.4

Crew

8.7

Entertainment

7.9

Comfort

8.2

Food

7.7

Reviews

1 / 10

I hate the assigned seat from Japan to Chicago it was a long flight and I was assigned in the most uncomfortable area, the worst is I can't check in online makes it more worse.

Asiana Airlines
8.3
Very good
476 reviews
ANA
8.4
Very good
833 reviews

Boarding

8.6

Overall

8.4

Crew

8.7

Entertainment

7.9

Comfort

8.2

Food

7.7

Reviews

1 / 10

I hate the assigned seat from Japan to Chicago it was a long flight and I was assigned in the most uncomfortable area, the worst is I can't check in online makes it more worse.

Delta
8.0
Very good
8,756 reviews
ANA
8.4
Very good
833 reviews

Boarding

8.6

Overall

8.4

Crew

8.7

Entertainment

7.9

Comfort

8.2

Food

7.7

Reviews

1 / 10

I hate the assigned seat from Japan to Chicago it was a long flight and I was assigned in the most uncomfortable area, the worst is I can't check in online makes it more worse.

Cathay Pacific
7.6
Good
878 reviews
ANA
8.4
Very good
833 reviews

Boarding

8.6

Overall

8.4

Crew

8.7

Entertainment

7.9

Comfort

8.2

Food

7.7

Reviews

1 / 10

I hate the assigned seat from Japan to Chicago it was a long flight and I was assigned in the most uncomfortable area, the worst is I can't check in online makes it more worse.

Qatar Airways
7.5
Good
3,831 reviews
ANA
8.4
Very good
833 reviews

Boarding

8.6

Overall

8.4

Crew

8.7

Entertainment

7.9

Comfort

8.2

Food

7.7

Reviews

1 / 10

I hate the assigned seat from Japan to Chicago it was a long flight and I was assigned in the most uncomfortable area, the worst is I can't check in online makes it more worse.

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?

    Singapore Changi (SIN) is the airport you will fly into if you book a flight from Washington, D.C. Dulles Intl to Singapore. You should not have trouble finding flights to Changi from Washington, D.C. Dulles Intl; the airport handles an average of 0 inbound flights from Washington, D.C. Dulles Intl per day. You should also have plenty of airline options to choose from since 12 airlines have flights to the Singapore airport from Washington, D.C. Dulles Intl. It is only a 10.5 mi journey from Changi (SIN) to Singapore’s city center.

  • What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Singapore round-trip?

    Turkish Airlines, at $878, was found to be the cheapest airline from Washington, D.C. Dulles Intl Airport to Singapore.Alternate airlines to your destination round-trip include Qatar Airways and IndiGo. Turkish Airlines is 31% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Singapore one-way?

    For one-way options, check prices for Turkish Airlines. According to our data, you can fly for as low as $439. Users have also found prices from $587 and $720 on IndiGo and Qatar Airways, respectively.

  • Where are the most common layover locations when flying from Washington, D.C. Dulles Intl Airport to Singapore?

    Washington, D.C. Dulles Intl Airport to Singapore flights have a layover in Doha most of the time.

  • What are some popular things to do or see while on a layover in Doha?

    The majority of Doha visitors spend their time at Museum of Islamic Art, Katara Cultural Village, and Aspire Tower. Museum of Islamic Art, Katara Cultural Village, and Aspire Tower can be accessed by traveling approximately 5.2 mi, 8.7 mi, and 10.6 mi, respectively from Doha Hamad Intl. Travelers can rent a car at Doha Hamad Intl for an average daily rate of $33 to make sightseeing during their layover a little easier.

  • Where are the least popular layover locations for Washington, D.C. Dulles Intl Airport to Singapore flights?

    Of the flights from Washington, D.C. Dulles Intl Airport to Singapore that have layovers, the fewest flights stop in Istanbul.

  • 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, September is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Singapore (average of $1,011). Flying from Washington, D.C. Dulles Intl Airport to Singapore in June is currently the most expensive (average of $1,556). 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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Alternative routes for Dulles Intl to Singapore

See prices for flight routes from nearby airports that may be better suited for you.
Reagan-National to Singapore flights
Baltimore to Singapore flights

Top 10 airlines flying from Dulles Intl to Singapore

Discover the top 10 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 2,629,791 searches. Data last updated November 20, 2024.
AirlineCheapestAverageFlexibilityOn-time
SAUDIACheapest$619Average$826FlexibilityNo cancel feeOn-time86%
Turkish AirlinesCheapest$859Average$1,064FlexibilityNo cancel feeOn-time77%
Etihad AirwaysCheapest$884Average$1,114FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$935Average$1,685FlexibilityNo cancel feeOn-time69%
DeltaCheapest$1,001Average$1,334FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$1,028Average$1,202FlexibilityNo cancel feeOn-time62%
Qatar AirwaysCheapest$1,043Average$1,391FlexibilityNo cancel feeOn-time68%
Korean AirCheapest$1,100Average$1,353FlexibilityNo cancel feeOn-time81%
American AirlinesCheapest$1,124Average$1,584FlexibilityNo cancel feeOn-time71%
Singapore AirlinesCheapest$1,226Average$1,780FlexibilityNo cancel feeOn-time81%
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