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$454+ 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 5/7. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — SIN
Apr 9 — Apr 161
Wed 4/9
Wed 4/16
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 April 4, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$993
(Turkish Airlines)

One-way from

$454
(FlightHub)

Popular in

December

Cheapest in

November

Average price

$1,022
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 Changi
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One-way flight from District of Columbia to Singapore Changi
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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 April 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 April 4, 2025.

This Turkish Airlines deal was found by Cheapflights users on 4/3. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/201:30 pmIAD - SIN
1 stop40h 25mTurkish Airlines
Thu 5/110:15 amSIN - IAD
1 stop45h 30mTurkish Airlines
Deal found 4/3$993
This Mytrip deal was found by Cheapflights users on 4/3. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/2011:00 amIAD - SIN
3 stops34h 50mMultiple Airlines
Mon 4/282:30 amSIN - IAD
1 stop25h 15mMultiple Airlines
Deal found 4/3$999
This FlightHub deal was found by Cheapflights users on 4/4. 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.
Wed 4/309:00 pmIAD - SIN
1 stop30h 45mQatar Airways
Tue 5/63:10 amSIN - IAD
1 stop24h 30mQatar Airways
Deal found 4/4$1,006
This Air Canada deal was found by Cheapflights users on 4/3. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/199:40 amDCA - SIN
2 stops33h 25mAir Canada
Tue 10/219:10 amSIN - DCA
2 stops25h 24mAir Canada
Deal found 4/3$1,029
This Air Canada deal was found by Cheapflights users on 4/3. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/198:25 amIAD - SIN
1 stop34h 40mAir Canada
Tue 10/219:10 amSIN - IAD
2 stops36h 29mAir Canada
Deal found 4/3$1,029
This StudentUniverse deal was found by Cheapflights users on 4/4. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/291:30 pmIAD - SIN
1 stop27h 30mKorean Air
Sat 9/131:10 amSIN - IAD
1 stop21h 45mKorean Air
Deal found 4/4$1,042
This Flysmarter deal was found by Cheapflights users on 4/3. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/287:01 pmDCA - SIN
2 stops28h 44mCathay Pacific
Tue 5/139:45 amSIN - DCA
2 stops27h 01mCathay Pacific
Deal found 4/3$1,044
This Alaska Airlines deal was found by Cheapflights users on 4/3. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/2011:00 amIAD - SIN
1 stop22h 00mAlaska Airlines
Tue 4/2910:30 amSIN - IAD
1 stop34h 10mAlaska Airlines
Deal found 4/3$1,066
This oojo deal was found by Cheapflights users on 4/3. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/287:07 amIAD - SIN
2 stops40h 38mCathay Pacific
Wed 9/31:50 amSIN - IAD
2 stops44h 55mCathay Pacific
Deal found 4/3$1,097
This JetBlue deal was found by Cheapflights users on 4/3. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/2011:00 amIAD - SIN
1 stop22h 00mJetBlue
Sun 4/273:10 amSIN - IAD
1 stop24h 30mJetBlue
Deal found 4/3$1,113
This Booking.com deal was found by Cheapflights users on 4/2. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/61:30 pmIAD - SIN
2 stops39h 50mIndiGo
Tue 4/87:45 pmSIN - IAD
2 stops36h 00mIndiGo
Deal found 4/2$1,133
This United Airlines deal was found by Cheapflights users on 4/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/285:59 pmDCA - SIN
1 stop24h 46mUnited Airlines
Tue 5/139:00 amSIN - DCA
1 stop24h 34mUnited Airlines
Deal found 4/3$1,157

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 April 4, 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

Sun 4/20

1:30 pm-5:55 pm

1 stop40h 25m

Singapore Changi

Thu 5/1

10:15 am-7:45 pm

1 stop45h 30m

$993

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Sun 4/20

11:00 am-9:50 am

3 stops34h 50m

Singapore Changi

Mon 4/28

2:30 am-3:45 pm

1 stop25h 15m

$999

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Wed 4/30

9:00 pm-3:45 pm

1 stop30h 45m

Singapore Changi

Tue 5/6

3:10 am-3:40 pm

1 stop24h 30m

$1,006

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Fri 9/19

9:40 am-7:05 am

2 stops33h 25m

Singapore Changi

Tue 10/21

9:10 am-10:34 pm

2 stops25h 24m

$1,029

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Fri 9/19

8:25 am-7:05 am

1 stop34h 40m

Singapore Changi

Tue 10/21

9:10 am-9:39 am

2 stops36h 29m

$1,029

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Fri 8/29

1:30 pm-5:00 am

1 stop27h 30m

Singapore Changi

Sat 9/13

1:10 am-10:55 am

1 stop21h 45m

$1,042

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Mon 4/28

7:01 pm-11:45 am

2 stops28h 44m

Singapore Changi

Tue 5/13

9:45 am-12:46 am

2 stops27h 01m

$1,044

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Sun 4/20

11:00 am-9:00 pm

1 stop22h 00m

Singapore Changi

Tue 4/29

10:30 am-8:40 am

1 stop34h 10m

$1,066

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Thu 8/28

7:07 am-11:45 am

2 stops40h 38m

Singapore Changi

Wed 9/3

1:50 am-10:45 am

2 stops44h 55m

$1,097

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Sun 4/20

11:00 am-9:00 pm

1 stop22h 00m

Singapore Changi

Sun 4/27

3:10 am-3:40 pm

1 stop24h 30m

$1,113

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/4

Showing 1-10 of 47 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 SIN?

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 April 4, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from District of Columbia to Singapore as you normally would.

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 April 4, 2025.
See what other customers who have flown with Korean Air, Japan Airlines and ANA from District of Columbia to Singapore have to say. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very good
1,053 reviews

Food

8.1

Comfort

8.3

Overall

8.4

Crew

8.7

Entertainment

8.2

Boarding

8.5

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
1,053 reviews
Korean Air
8.4
Very good
1,053 reviews

Food

8.1

Comfort

8.3

Overall

8.4

Crew

8.7

Entertainment

8.2

Boarding

8.5

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
1,441 reviews
Korean Air
8.4
Very good
1,053 reviews

Food

8.1

Comfort

8.3

Overall

8.4

Crew

8.7

Entertainment

8.2

Boarding

8.5

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
835 reviews
Korean Air
8.4
Very good
1,053 reviews

Food

8.1

Comfort

8.3

Overall

8.4

Crew

8.7

Entertainment

8.2

Boarding

8.5

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
1,287 reviews
Korean Air
8.4
Very good
1,053 reviews

Food

8.1

Comfort

8.3

Overall

8.4

Crew

8.7

Entertainment

8.2

Boarding

8.5

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.
Emirates
8.0
Very good
3,192 reviews
Korean Air
8.4
Very good
1,053 reviews

Food

8.1

Comfort

8.3

Overall

8.4

Crew

8.7

Entertainment

8.2

Boarding

8.5

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 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.

  • 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 SAUDIA from $510 and Air Canada from $582 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

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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 April 4, 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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