Singapore

$402+ Cheap flights from District of Columbia 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 3/2. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SIN
Mar 5 — Mar 121
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Cheap flight deals from District of Columbia to Singapore

Cheapest flights from District of Columbia to Singapore
Explore the most affordable flight options available from District of Columbia to Singapore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 3, 2026.

This BYOjet deal was found by Cheapflights users on 1/31. 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 BYOjet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/183:35 pm
IAD
-
SIN
1 stop30h 00m
Etihad Airways
Wed 3/257:25 pm
SIN
-
IAD
1 stop26h 40m
Etihad Airways
Deal found 1/31$847
This CrystalTravel deal was found by Cheapflights users on 2/1. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/22:35 pm
IAD
-
SIN
1 stop30h 00m
Etihad Airways
Mon 3/97:25 pm
SIN
-
IAD
1 stop26h 40m
Etihad Airways
Deal found 2/1$848
This Justfly.com deal was found by Cheapflights users on 2/3. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/19:15 pm
IAD
-
SIN
1 stop22h 20m
Turkish Airlines
Thu 3/510:15 am
SIN
-
IAD
1 stop46h 05m
Turkish Airlines
Deal found 2/3$882
This Justfly.com deal was found by Cheapflights users on 1/31. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/99:15 pm
IAD
-
SIN
1 stop23h 45m
Turkish Airlines
Tue 2/1710:15 am
SIN
-
IAD
1 stop46h 05m
Turkish Airlines
Deal found 1/31$883
This CrystalTravel deal was found by Cheapflights users on 2/1. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/183:10 pm
IAD
-
SIN
1 stop30h 30m
Etihad Airways
Thu 4/309:00 pm
SIN
-
IAD
1 stop24h 45m
Etihad Airways
Deal found 2/1$885
This Gotogate deal was found by Cheapflights users on 2/2. 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.
Mon 2/92:35 pm
IAD
-
SIN
1 stop30h 00m
Etihad Airways
Mon 2/237:25 pm
SIN
-
IAD
1 stop26h 40m
Etihad Airways
Deal found 2/2$886
This CrystalTravel deal was found by Cheapflights users on 2/2. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/42:35 pm
IAD
-
SIN
1 stop30h 00m
Etihad Airways
Sat 3/147:25 pm
SIN
-
IAD
1 stop26h 40m
Etihad Airways
Deal found 2/2$887
This Cheapflightsfares deal was found by Cheapflights users on 2/3. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/162:35 pm
IAD
-
SIN
1 stop30h 00m
Etihad Airways
Mon 3/27:25 pm
SIN
-
IAD
1 stop26h 40m
Etihad Airways
Deal found 2/3$888
This Gotogate deal was found by Cheapflights users on 2/1. 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.
Tue 3/32:35 pm
IAD
-
SIN
1 stop30h 00m
Etihad Airways
Tue 3/107:25 pm
SIN
-
IAD
1 stop26h 40m
Etihad Airways
Deal found 2/1$889
This oojo deal was found by Cheapflights users on 2/1. 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 2/172:35 pm
IAD
-
SIN
1 stop30h 00m
Etihad Airways
Wed 2/257:25 pm
SIN
-
IAD
1 stop26h 40m
Etihad Airways
Deal found 2/1$894
This oojo deal was found by Cheapflights users on 1/31. 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.
Sat 2/76:10 pm
IAD
-
SIN
1 stop32h 20m
SAUDIA
Fri 2/202:30 am
SIN
-
IAD
1 stop25h 15m
SAUDIA
Deal found 1/31$898
This oojo deal was found by Cheapflights users on 2/2. 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.
Thu 8/2712:31 pm
DCA
-
SIN
2 stops35h 14m
Cathay Pacific
Mon 9/288:05 pm
SIN
-
DCA
2 stops36h 10m
Cathay Pacific
Deal found 2/2$995

Find flight deals from District of Columbia to Singapore

Keep the following information in mind while searching for District of Columbia to Singapore flight deals. Data was last updated February 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$847
(BYOjet)

One-way from

$402
(Kiwi.com)

Popular in

December

Cheapest in

August

Average price

$1,172
Provider with most accurate pricing for Washington, D.C. (WAS)-Singapore Changi flight deals.
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Singapore Changi flights.
From District of Columbia to Singapore Changi
One-way flight from District of Columbia to Singapore Changi
Highest demand for flights based on searches. 16% potential increase in price ($243 potential increase over avg. RT price).
Cheapest flight prices on average. 6% potential price decrease ($71 potential savings vs. average RT price).
Average for round-trip flights in February 2026

Cheapflights Fare Finder

 
Customize your flight search to find flights from District of Columbia 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 February 3, 2026.
Use the filters below to find and compare flights from District of Columbia to Singapore that are best for you.

Fly from

District of Columbia

Fly to

Singapore

Route

Depart

Return

Price

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Sun 4/12

3:10 pm-9:40 am

1 stop30h 30m

Singapore Changi

Tue 5/5

9:00 pm-2:47 pm

2 stops29h 47m

$970

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Sun 3/22

2:30 pm-5:35 pm

1 stop39h 05m

Singapore Changi

Thu 3/26

5:15 am-12:45 pm

1 stop43h 30m

$999

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Sat 4/25

3:10 pm-9:40 am

1 stop30h 30m

Singapore Changi

Tue 5/12

9:00 pm-2:47 pm

2 stops29h 47m

$1,010

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Sat 3/21

3:35 pm-9:35 am

1 stop30h 00m

Singapore Changi

Tue 5/5

9:00 pm-2:47 pm

2 stops29h 47m

$1,010

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Sat 3/28

9:45 pm-9:30 am

1 stop23h 45m

Singapore Changi

Sat 4/18

11:10 am-11:35 am

1 stop36h 25m

$1,012

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Tue 4/21

3:10 pm-11:30 am

2 stops32h 20m

Singapore Changi

Sun 4/26

9:00 pm-9:45 am

1 stop24h 45m

$1,071

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Wed 3/4

2:35 pm-11:30 am

2 stops31h 55m

Singapore Changi

Thu 3/19

7:25 pm-1:32 pm

2 stops30h 07m

$1,081

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Thu 3/19

3:35 pm-9:35 am

1 stop30h 00m

Singapore Changi

Thu 3/26

7:25 pm-1:32 pm

2 stops30h 07m

$1,098

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Mon 2/16

2:35 pm-5:10 am

2 stops25h 35m

Singapore Changi

Mon 3/2

9:15 pm-3:55 pm

2 stops31h 40m

$1,100

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Sat 3/21

6:37 pm-11:55 am

2 stops29h 18m

Singapore Changi

Tue 5/5

8:05 pm-10:59 pm

2 stops38h 54m

$1,108

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/3

Showing 1-10 of 44 results
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Best time to book a flight from District of Columbia to Singapore

Have a flexible travel schedule? Discover the best time to fly to Singapore from District of Columbia 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.

Cheapflights Insights

Everything you need to know about your flight from District of Columbia to Singapore

What is the cheapest month to book a flight from District of Columbia to Singapore?

Currently, September is the cheapest month in which you can book a flight from District of Columbia to Singapore (average of $833). Flying from District of Columbia to Singapore in June is currently the most expensive (average of $1,143). 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 District of Columbia to Singapore?

Related info for your journey

Find useful and relevant information for your journey from District of Columbia 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 District of Columbia?

    For a flight from District of Columbia to Singapore, you will be flying into Changi. Singapore Changi (SIN) is just 10.5 mi from the center of the city.

  • How long is the flight from District of Columbia to Singapore?

    There are many flights that can get you from District of Columbia to Singapore in 22h 20m. Fly via Turkish Airlines, Cathay Pacific, or United Airlines to get the fastest option. There are 9644 mi between District of Columbia and Singapore. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from District of Columbia to Singapore one-way?

    One-way options have recently been found by users for as low as $411 on Turkish Airlines. Other airlines that offer cheap prices include IndiGo from $429 and Etihad Airways from $451 one-way.

  • Can I find deals for flights from District of Columbia to Singapore that include hotel bookings?

    Yes. In addition to deals on District of Columbia to Singapore flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from District of Columbia to Singapore?

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

  • Can I find deals for business class flights from District of Columbia to Singapore?

    Yes. Cheapflights offers flight deals from District of Columbia 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 District of Columbia to Singapore?

    Currently, September is the cheapest month in which you can book a flight from District of Columbia to Singapore (average of $833). Flying from District of Columbia to Singapore in June is currently the most expensive (average of $1,143). 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

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Alternative routes for District of Columbia to Singapore

See prices for flight routes from nearby airports that may be better suited for you.

Top 9 airlines flying from District of Columbia to Singapore

Discover the top 9 airlines that operate flights from District of Columbia 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 February 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
Korean AirCheapest$743Average$1,328FlexibilityNo cancel feeOn-time81%
Air IndiaCheapest$807Average$1,020FlexibilityNo cancel feeOn-timeN/A
Etihad AirwaysCheapest$833Average$990FlexibilityNo cancel feeOn-time75%
Turkish AirlinesCheapest$895Average$1,107FlexibilityNo cancel feeOn-time77%
Qatar AirwaysCheapest$1,021Average$1,358FlexibilityNo cancel feeOn-time68%
JetBlueCheapest$1,066Average$2,053FlexibilityNo cancel feeOn-time62%
ANACheapest$1,161Average$2,103FlexibilityNo cancel feeOn-time80%
United AirlinesCheapest$1,174Average$1,393FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$1,196Average$1,199FlexibilityNo cancel feeOn-time71%

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