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$439+ Cheap flights from District of Columbia to Singapore

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 5/4. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — SIN
avr. 5 — avr. 121
sam. 4/5
sam. 4/12
1 adult, Economy
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Cheap 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 mars 31, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$952
(Mytrip)

One-way from

$439
(Kiwi.com)

Popular in

December

Cheapest in

November

Average price

$1,139
Provider with most accurate pricing for Washington, D.C. (WAS)-Singapore Changi flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Singapore Changi flights.
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From District of Columbia to Singapore
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One-way flight from District of Columbia to Singapore
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Highest demand for flights based on searches. 2% potential increase in price ($26 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($48 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Find 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 mars 31, 2025.

This Mytrip deal was found by Cheapflights users on 3/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 5/141:30 pmIAD - SIN
1 stop31h 15mTurkish Airlines
mer. 5/2111:10 pmSIN - IAD
1 stop32h 35mTurkish Airlines
Deal found 3/30$952
This Kiwi.com deal was found by Cheapflights users on 3/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 4/1410:05 pmIAD - SIN
2 stops44h 25mMultiple Airlines
mer. 4/233:45 amSIN - IAD
1 stop24h 00mMultiple Airlines
Deal found 3/30$959
This Air Canada deal was found by Cheapflights users on 3/31. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 11/2711:00 amDCA - SIN
2 stops31h 55mAir Canada
sam. 12/610:00 amSIN - DCA
2 stops24h 00mAir Canada
Deal found 3/31$960
This Air Canada deal was found by Cheapflights users on 3/31. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 9/199:13 amIAD - SIN
2 stops33h 52mAir Canada
mar. 10/219:10 amSIN - IAD
2 stops36h 29mAir Canada
Deal found 3/31$966
This CrystalTravel deal was found by Cheapflights users on 3/30. 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.
mar. 4/19:00 pmIAD - SIN
1 stop30h 45mQatar Airways
dim. 5/113:10 amSIN - IAD
1 stop24h 30mQatar Airways
Deal found 3/30$983
This JetBlue deal was found by Cheapflights users on 3/30. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 4/149:00 pmIAD - SIN
1 stop24h 00mJetBlue
mar. 4/223:10 amSIN - IAD
1 stop24h 30mJetBlue
Deal found 3/30$1,066
This oojo deal was found by Cheapflights users on 3/31. 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.
mar. 4/111:00 amIAD - SIN
1 stop22h 45mAir India
lun. 5/1211:00 pmSIN - IAD
1 stop44h 40mAir India
Deal found 3/31$1,072
This SAUDIA deal was found by Cheapflights users on 3/31. 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 SAUDIA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 6/26:50 pmIAD - SIN
2 stops32h 55mSAUDIA
ven. 7/112:30 amSIN - IAD
1 stop25h 15mSAUDIA
Deal found 3/31$1,089
This Gurufare deal was found by Cheapflights users on 3/30. 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.
mer. 9/109:00 amDCA - SIN
2 stops27h 20mJapan Airlines
mar. 9/231:55 amSIN - DCA
2 stops23h 58mJapan Airlines
Deal found 3/30$1,191
This United deal was found by Cheapflights users on 3/31. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/85:59 pmDCA - SIN
1 stop24h 46mUnited Airlines
mar. 4/229:00 amSIN - DCA
1 stop24h 30mUnited Airlines
Deal found 3/31$1,193
This United Airlines deal was found by Cheapflights users on 3/30. 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.
mer. 4/910:15 pmIAD - SIN
1 stop32h 10mUnited Airlines
mer. 4/239:00 amSIN - IAD
1 stop28h 09mUnited Airlines
Deal found 3/30$1,193
This Delta deal was found by Cheapflights users on 3/30. 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.
lun. 11/247:40 amDCA - SIN
2 stops27h 30mDelta
mer. 12/31:30 amSIN - DCA
2 stops34h 49mDelta
Deal found 3/30$1,206

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 mars 31, 2025.
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

mer. 5/14

1:30 pm-8:45 am

1 stop31h 15m

Singapore Changi

mer. 5/21

11:10 pm-7:45 pm

1 stop32h 35m

$952

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

lun. 4/14

10:05 pm-6:30 am

2 stops44h 25m

Singapore Changi

mer. 4/23

3:45 am-3:45 pm

1 stop24h 00m

$959

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

mer. 5/14

4:35 pm-7:05 am

2 stops50h 30m

Singapore Changi

jeu. 5/29

9:10 am-8:53 am

2 stops35h 43m

$966

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

ven. 9/19

9:13 am-7:05 am

2 stops33h 52m

Singapore Changi

mar. 10/21

9:10 am-9:39 am

2 stops36h 29m

$966

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

jeu. 9/18

9:00 pm-3:45 pm

1 stop30h 45m

Singapore Changi

dim. 9/28

3:10 am-3:40 pm

1 stop24h 30m

$1,010

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

lun. 4/14

9:00 pm-9:00 am

1 stop24h 00m

Singapore Changi

mar. 4/22

3:10 am-3:40 pm

1 stop24h 30m

$1,066

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

lun. 6/2

6:50 pm-3:45 pm

2 stops32h 55m

Singapore Changi

ven. 7/11

2:30 am-3:45 pm

1 stop25h 15m

$1,089

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

mer. 9/10

9:00 am-12:20 am

2 stops27h 20m

Singapore Changi

mar. 9/23

1:55 am-1:53 pm

2 stops23h 58m

$1,191

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

lun. 4/14

5:59 pm-6:45 am

1 stop24h 46m

Singapore Changi

jeu. 4/24

9:00 am-9:30 pm

1 stop24h 30m

$1,193

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

lun. 4/14

4:00 pm-6:45 am

1 stop26h 45m

Singapore Changi

lun. 4/21

8:40 pm-2:50 pm

1 stop30h 10m

$1,193

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/30

Showing 1-10 of 46 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 $1,011). Flying from District of Columbia 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 DC to SG?

Find hourly flight availability from District of Columbia 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 mars 31, 2025.

When flying from District of Columbia to Singapore, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 mars 31, 2025.
To help decide which airline to fly from District of Columbia to Singapore, see what other customers have to say about Korean Air, Japan Airlines and ANA. 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.
Korean Air
8.4
Very good
1,051 reviews

Boarding

8.5

Comfort

8.3

Overall

8.4

Food

8.1

Crew

8.7

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Korean Air
8.4
Very good
1,051 reviews
Korean Air
8.4
Very good
1,051 reviews

Boarding

8.5

Comfort

8.3

Overall

8.4

Food

8.1

Crew

8.7

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Japan Airlines
8.3
Very good
1,440 reviews
Korean Air
8.4
Very good
1,051 reviews

Boarding

8.5

Comfort

8.3

Overall

8.4

Food

8.1

Crew

8.7

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
ANA
8.3
Very good
831 reviews
Korean Air
8.4
Very good
1,051 reviews

Boarding

8.5

Comfort

8.3

Overall

8.4

Food

8.1

Crew

8.7

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Singapore Airlines
8.1
Very good
1,286 reviews
Korean Air
8.4
Very good
1,051 reviews

Boarding

8.5

Comfort

8.3

Overall

8.4

Food

8.1

Crew

8.7

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Delta
8.0
Very good
7,899 reviews
Korean Air
8.4
Very good
1,051 reviews

Boarding

8.5

Comfort

8.3

Overall

8.4

Food

8.1

Crew

8.7

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.

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 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 $454 on Turkish Airlines. Other airlines that offer cheap prices include Air China from $493 and Air India from $497 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 $1,011). Flying from District of Columbia 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.

See more FAQs

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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.
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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 mars 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$831Average$996FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$904Average$1,598FlexibilityNo cancel feeOn-time69%
DeltaCheapest$1,009Average$1,470FlexibilityNo cancel feeOn-timeN/A
Qatar AirwaysCheapest$1,014Average$1,321FlexibilityNo cancel feeOn-time68%
Korean AirCheapest$1,037Average$1,332FlexibilityNo cancel feeOn-time81%
JetBlueCheapest$1,043Average$1,191FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$1,124Average$1,451FlexibilityNo cancel feeOn-time71%
Singapore AirlinesCheapest$1,206Average$1,780FlexibilityNo cancel feeOn-time81%
ANACheapest$1,581Average$2,169FlexibilityNo cancel feeOn-time80%
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