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$483+ 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 3/18. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SIN
Dec 23 — Dec 301
Mon 12/23
Mon 12/30
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 January, booked 73 days in advance, depart on a Friday or Sunday 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 December 18, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$869
(FlightHub)

One-way from

$483
(oojo)

Popular in

June

Cheapest in

November

Average price

$1,634
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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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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High demand for flights, 19% potential price rise
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Best time to find cheap flights, 2% potential price drop
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Average for round-trip flights in December 2024
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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 December 18, 2024.

This FlightHub deal was found by Cheapflights users on 12/17. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3110:00 amIAD - SIN
1 stop39h 50mEthiopian Air
Fri 1/312:00 amSIN - IAD
2 stops30h 05mEthiopian Air
Deal found 12/17$1,379
This Air Canada deal was found by Cheapflights users on 12/17. 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 12/312:35 pmIAD - SIN
2 stops28h 20mAir Canada
Sat 2/110:00 amSIN - IAD
2 stops36h 46mAir Canada
Deal found 12/17$1,473
This CheapOair deal was found by Cheapflights users on 12/17. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3110:00 amIAD - SIN
1 stop39h 50mMultiple Airlines
Sat 2/15:00 pmSIN - IAD
1 stop34h 45mMultiple Airlines
Deal found 12/17$1,531
This United Airlines deal was found by Cheapflights users on 12/18. 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.
Sat 12/288:35 amIAD - SIN
2 stops34h 25mUnited Airlines
Mon 12/3010:20 pmSIN - IAD
2 stops35h 31mUnited Airlines
Deal found 12/18$1,595
This KLM deal was found by Cheapflights users on 12/17. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/315:35 pmIAD - SIN
2 stops26h 25mKLM
Fri 1/311:40 amSIN - IAD
2 stops28h 22mKLM
Deal found 12/17$1,802
This Delta deal was found by Cheapflights users on 12/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2711:50 amIAD - SIN
1 stop28h 10mDelta
Sat 1/111:30 amSIN - IAD
2 stops32h 35mDelta
Deal found 12/18$2,430
This oojo deal was found by Cheapflights users on 12/17. 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.
Tue 12/179:25 pmIAD - SIN
1 stop22h 20mTurkish Airlines
Fri 1/310:25 amSIN - IAD
1 stop38h 50mTurkish Airlines
Deal found 12/17$2,870
This Trip.com deal was found by Cheapflights users on 12/17. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2011:50 amIAD - SIN
1 stop28h 10mKorean Air
Wed 12/251:30 amSIN - IAD
1 stop21h 20mKorean Air
Deal found 12/17$2,929
This KAYAK deal was found by Cheapflights users on 12/16. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2210:30 amIAD - SIN
1 stop39h 10mEmirates
Mon 1/612:30 amSIN - IAD
1 stop44h 40mEmirates
Deal found 12/16$3,088
This oojo deal was found by Cheapflights users on 12/18. 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.
Mon 12/238:05 pmIAD - SIN
2 stops33h 30mQatar Airways
Sat 1/410:15 amSIN - IAD
1 stop35h 05mQatar Airways
Deal found 12/18$3,565
This oojo deal was found by Cheapflights users on 12/17. 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.
Wed 12/186:30 amIAD - SIN
2 stops50h 25mAsiana Airlines
Fri 12/201:55 amSIN - IAD
2 stops35h 04mAsiana Airlines
Deal found 12/17$4,565
This Austrian Airlines deal was found by Cheapflights users on 12/16. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/226:25 pmIAD - SIN
3 stops34h 50mAustrian Airlines
Mon 12/308:15 amSIN - IAD
2 stops43h 20mAustrian Airlines
Deal found 12/16$5,041

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 2,558,603 searches. Data last updated December 18, 2024.

Fly from

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Fly to

Any airport

Route

Depart

Return

Price

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Tue 1/21

2:00 pm-5:35 pm

1 stop38h 35m

Singapore Changi

Thu 1/30

10:25 am-11:35 am

1 stop38h 10m

$869

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Sat 1/18

6:10 pm-3:30 pm

1 stop32h 20m

Singapore Changi

Wed 3/5

5:00 pm-2:45 pm

1 stop34h 45m

$870

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Tue 2/11

8:05 pm-2:55 pm

1 stop29h 50m

Singapore Changi

Tue 2/18

3:15 am-3:55 pm

1 stop25h 40m

$958

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Fri 4/18

10:00 pm-9:45 am

1 stop23h 45m

Singapore Changi

Sun 5/4

8:55 pm-4:35 pm

1 stop31h 40m

$964

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Mon 3/17

6:05 am-12:10 am

2 stops30h 05m

Singapore Changi

Tue 3/25

11:00 am-11:33 pm

2 stops24h 33m

$992

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Tue 2/11

8:05 pm-4:40 pm

2 stops31h 35m

Singapore Changi

Wed 2/19

8:25 pm-3:55 pm

1 stop32h 30m

$1,012

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Wed 5/14

10:55 am-8:45 pm

1 stop21h 50m

Singapore Changi

Sat 5/31

2:15 am-4:10 pm

1 stop25h 55m

$1,065

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Mon 1/13

8:05 pm-2:55 pm

1 stop29h 50m

Singapore Changi

Thu 1/23

3:15 am-3:55 pm

1 stop25h 40m

$1,148

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Sat 3/15

5:35 pm-9:55 pm

2 stops40h 20m

Singapore Changi

Fri 3/21

11:55 pm-3:10 pm

1 stop27h 15m

$1,154

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Wed 4/30

5:00 pm-11:55 am

2 stops30h 55m

Singapore Changi

Sun 5/4

1:45 am-5:55 am

2 stops40h 10m

$1,168

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 31 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 December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
OvagoPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
FlightnetworkPrice Accuracy2 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Dulles Intl Airport-Singapore flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 December 13, 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 December is currently the most expensive (average of $1,684). 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 December 18, 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 at noon 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 December 16, 2024.

Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to Singapore flight should consider departing on Thursday at noon 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 December 18, 2024.
Get a feel of what it's like to fly with United Airlines, Qatar Airways and Turkish Airlines 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
839 reviews

Crew

8.7

Entertainment

7.9

Boarding

8.6

Comfort

8.2

Food

7.7

Overall

8.4

Reviews

1 / 10

Your hospitality was excellent, very polite and kind. The meal was tasty and good. The buns were cold. Who likes cold buns?

ANA
8.4
Very good
839 reviews
ANA
8.4
Very good
839 reviews

Crew

8.7

Entertainment

7.9

Boarding

8.6

Comfort

8.2

Food

7.7

Overall

8.4

Reviews

1 / 10

Your hospitality was excellent, very polite and kind. The meal was tasty and good. The buns were cold. Who likes cold buns?

Emirates
8.1
Very good
3,412 reviews
ANA
8.4
Very good
839 reviews

Crew

8.7

Entertainment

7.9

Boarding

8.6

Comfort

8.2

Food

7.7

Overall

8.4

Reviews

1 / 10

Your hospitality was excellent, very polite and kind. The meal was tasty and good. The buns were cold. Who likes cold buns?

Singapore Airlines
8.1
Very good
1,329 reviews
ANA
8.4
Very good
839 reviews

Crew

8.7

Entertainment

7.9

Boarding

8.6

Comfort

8.2

Food

7.7

Overall

8.4

Reviews

1 / 10

Your hospitality was excellent, very polite and kind. The meal was tasty and good. The buns were cold. Who likes cold buns?

Delta
8.0
Very good
8,604 reviews
ANA
8.4
Very good
839 reviews

Crew

8.7

Entertainment

7.9

Boarding

8.6

Comfort

8.2

Food

7.7

Overall

8.4

Reviews

1 / 10

Your hospitality was excellent, very polite and kind. The meal was tasty and good. The buns were cold. Who likes cold buns?

Alaska Airlines
8.0
Very good
9,552 reviews
ANA
8.4
Very good
839 reviews

Crew

8.7

Entertainment

7.9

Boarding

8.6

Comfort

8.2

Food

7.7

Overall

8.4

Reviews

1 / 10

Your hospitality was excellent, very polite and kind. The meal was tasty and good. The buns were cold. Who likes cold buns?

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 9 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 $869, was found to be the cheapest airline from Washington, D.C. Dulles Intl Airport to Singapore.Alternate airlines to your destination round-trip include SAUDIA and Air India. 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 Air India. According to our data, you can fly for as low as $483. Users have also found prices from $492 and $508 on SAUDIA and Turkish Airlines, 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, Aspire Tower, and Katara Cultural Village. Museum of Islamic Art, Aspire Tower, and Katara Cultural Village can be accessed by traveling approximately 5.2 mi, 10.6 mi, and 8.7 mi, respectively from Doha Hamad Intl. Travelers can rent a car at Doha Hamad Intl for an average daily rate of $36 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 December is currently the most expensive (average of $1,684). 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.

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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.
Baltimore to Singapore flights
Reagan-National 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 2,558,603 searches. Data last updated December 18, 2024.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$839Average$1,056FlexibilityNo cancel feeOn-time77%
Etihad AirwaysCheapest$884Average$1,164FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$935Average$1,567FlexibilityNo cancel feeOn-time69%
DeltaCheapest$1,001Average$1,268FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$1,028Average$1,206FlexibilityNo cancel feeOn-time62%
Qatar AirwaysCheapest$1,037Average$1,419FlexibilityNo cancel feeOn-time68%
Korean AirCheapest$1,100Average$1,346FlexibilityNo cancel feeOn-time81%
American AirlinesCheapest$1,124Average$1,584FlexibilityNo cancel feeOn-time71%
Singapore AirlinesCheapest$1,226Average$1,681FlexibilityNo cancel feeOn-time81%
EmiratesCheapest$1,666Average$1,779FlexibilityNo cancel feeOn-time75%
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