How long is the flight from Washington, D.C. to Singapore?

Korean Air, Cathay Pacific, and United Airlines can get you from Washington, D.C. to Singapore in just under 23h 23m. Your travel time can differ by up to 18h 37m. The distance between Washington, D.C. and Singapore is about 9629 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

The cheapest airlines for a one-way flight from Washington, D.C. to Singapore are Etihad Airways ($479), Turkish Airlines ($532), and Qatar Airways ($548).

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.

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).

What are the most popular routes from Washington, D.C. to Singapore?

The most popular route from Washington, D.C. to Singapore is Washington, D.C. Dulles Intl - Singapore Changi. You may also consider Washington, D.C. Reagan-National - Singapore Changi or Baltimore/Washington - Singapore Changi.

What are the most popular airlines that fly from Washington, D.C. to Singapore?

When booking a flight from Washington, D.C. to Singapore, you may want to consider flying on Turkish Airlines, United Airlines or Qatar Airways as they are the most popular for this route.

What is the cheapest time of day to fly from WAS to SG?

When flying from Washington, D.C. 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.

Can I find deals for flights from Washington, D.C. to Singapore that include hotel bookings?

Yes. In addition to deals on Washington, D.C. to Singapore flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Washington, D.C. to Singapore?

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

Can I find deals for business class flights from Washington, D.C. to Singapore?

Yes. Cheapflights offers flight deals from Washington, D.C. 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.

$477+ Cheap Flights from Washington, D.C. to Singapore

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Cheap flight deals from Washington, D.C. to Singapore

Cheapest

Best

Last-minute

One-way

Cheapest flights from Washington, D.C. to Singapore
Explore the most affordable flight options available from Washington, D.C. to Singapore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 22, 2026.

Tue 9/111:00 pm -

1 stop29h 25m

Thu 9/105:55 pm -

1 stop37h 35m

Deal found 8/17

$952

Fri 8/281:30 pm -

1 stop27h 30m

Sun 9/137:30 am -

1 stop39h 35m

Deal found 8/21

$982

Sun 10/113:10 pm -

1 stop30h 30m

Tue 10/277:25 pm -

1 stop26h 40m

Deal found 8/21

$992

Wed 10/213:10 pm -

1 stop30h 30m

Wed 10/287:25 pm -

1 stop26h 40m

Deal found 8/20

$997

Tue 9/17:35 pm -

2 stops53h 10m

Thu 9/108:00 pm -

2 stops39h 10m

Deal found 8/17

$1,009

Mon 8/243:10 pm -

1 stop30h 30m

Wed 9/99:00 pm -

1 stop24h 45m

Deal found 8/18

$1,014

Tue 9/811:00 pm -

1 stop43h 50m

Thu 9/175:55 pm -

1 stop37h 35m

Deal found 8/21

$1,016

Wed 9/23:10 pm -

1 stop30h 30m

Fri 9/189:00 pm -

1 stop24h 45m

Deal found 8/19

$1,022

Mon 9/79:40 am -

2 stops55h 35m

Mon 9/216:15 am -

2 stops27h 35m

Deal found 8/19

$1,063

Mon 9/79:40 am -

2 stops55h 35m

Mon 9/146:15 am -

2 stops27h 35m

Deal found 8/21

$1,064

Sat 9/56:55 pm -

2 stops46h 20m

Thu 9/107:00 am -

2 stops26h 50m

Deal found 8/20

$1,068

Mon 10/54:20 pm -

2 stops48h 55m

Mon 10/1210:50 pm -

2 stops35h 44m

Deal found 8/20

$1,070

Best flights from Washington, D.C. to Singapore
Discover carefully curated flight deals from Washington, D.C. to Singapore that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 22, 2026.

Sun 9/271:15 pm -

1 stop42h 00m

Sun 10/410:00 pm -

1 stop25h 05m

Deal found 8/19

$1,066

Sun 9/66:10 am -

2 stops34h 50m

Sun 9/201:25 am -

2 stops34h 18m

Deal found 8/21

$1,077

Tue 10/611:05 am -

1 stop22h 10m

Tue 10/137:40 pm -

1 stop32h 00m

Deal found 8/21

$1,084

Sat 10/33:10 pm -

1 stop30h 30m

Tue 10/139:00 pm -

1 stop24h 45m

Deal found 8/19

$1,106

Thu 10/811:40 am -

2 stops29h 50m

Mon 10/121:45 am -

2 stops34h 31m

Deal found 8/20

$1,329

Mon 9/286:50 pm -

1 stop23h 25m

Wed 10/78:35 pm -

2 stops27h 21m

Deal found 8/19

$1,341

Fri 11/136:55 pm -

1 stop32h 10m

Fri 11/2011:15 pm -

1 stop30h 50m

Deal found 8/17

$1,594

Mon 10/268:30 am -

1 stop35h 25m

Fri 10/308:45 pm -

1 stop36h 20m

Deal found 8/17

$1,640

Sat 9/58:28 am -

2 stops32h 32m

Thu 9/107:30 am -

1 stop39h 35m

Deal found 8/20

$1,071

Sat 9/266:10 am -

2 stops34h 50m

Tue 10/61:25 am -

2 stops33h 51m

Deal found 8/19

$1,077

Sun 9/208:08 am -

2 stops27h 47m

Sun 10/41:25 am -

1 stop21h 40m

Deal found 8/20

$1,071

Wed 9/306:10 am -

2 stops29h 45m

Wed 10/710:00 pm -

2 stops30h 28m

Deal found 8/21

$1,077

Mon 9/2810:15 am -

2 stops30h 45m

Sun 10/47:30 am -

1 stop39h 35m

Deal found 8/19

$1,071

Sun 9/275:47 pm -

1 stop24h 28m

Mon 10/58:45 am -

1 stop26h 08m

Deal found 8/19

$1,341

Thu 9/106:00 am -

2 stops35h 00m

Mon 9/147:30 am -

1 stop39h 35m

Deal found 8/21

$1,071

Tue 9/15:45 pm -

1 stop24h 30m

Thu 9/108:35 pm -

1 stop32h 08m

Deal found 8/17

$1,341

Mon 9/281:15 pm -

1 stop22h 40m

Wed 10/710:00 pm -

2 stops31h 33m

Deal found 8/19

$1,077

Sat 10/311:28 am -

2 stops34h 12m

Fri 10/99:00 pm -

2 stops36h 00m

Deal found 8/19

$1,578

Thu 10/297:55 pm -

1 stop32h 10m

Mon 11/211:15 pm -

1 stop30h 50m

Deal found 8/17

$1,594

Tue 10/68:05 am -

1 stop34h 10m

Tue 10/138:35 pm -

2 stops29h 23m

Deal found 8/21

$1,346

Wed 9/91:15 pm -

1 stop22h 40m

Tue 9/221:25 am -

2 stops35h 16m

Deal found 8/22

$1,077

Mon 1/186:55 pm -

1 stop32h 10m

Mon 1/2511:15 pm -

1 stop30h 50m

Deal found 8/17

$1,612

Sun 10/48:05 am -

1 stop34h 10m

Tue 10/138:35 pm -

2 stops30h 32m

Deal found 8/19

$1,346

Sat 9/2612:15 pm -

2 stops33h 25m

Fri 10/29:00 pm -

2 stops34h 56m

Deal found 8/19

$1,671

Thu 9/109:00 am -

2 stops32h 00m

Mon 9/1410:00 pm -

2 stops28h 55m

Deal found 8/21

$1,082

Tue 1/196:55 pm -

1 stop32h 10m

Wed 1/2711:05 pm -

1 stop31h 00m

Deal found 8/17

$1,612

Sat 10/38:25 am -

2 stops28h 20m

Tue 10/138:45 am -

1 stop26h 08m

Deal found 8/19

$1,353

Mon 9/286:59 am -

2 stops28h 56m

Tue 10/61:25 am -

2 stops27h 12m

Deal found 8/19

$1,082

Mon 9/219:30 pm -

1 stop33h 10m

Tue 10/610:40 pm -

1 stop33h 00m

Deal found 8/21

$1,816

Mon 1/187:00 am -

2 stops28h 10m

Mon 1/251:35 am -

2 stops29h 30m

Deal found 8/17

$1,181

Last-minute flights from Washington, D.C. to Singapore
Discover last-minute flight deals from Washington, D.C. to Singapore. Data last updated August 22, 2026 and is based on user searches.

Mon 8/243:10 pm -

1 stop30h 30m

Wed 9/99:00 pm -

1 stop24h 45m

Deal found 8/18

$1,014

Fri 8/281:30 pm -

1 stop27h 30m

Sun 9/137:30 am -

1 stop39h 35m

Deal found 8/21

$982

Tue 9/111:00 pm -

1 stop29h 25m

Thu 9/105:55 pm -

1 stop37h 35m

Deal found 8/17

$952

Tue 9/17:35 pm -

2 stops53h 10m

Thu 9/108:00 pm -

2 stops39h 10m

Deal found 8/17

$1,009

Wed 9/23:10 pm -

1 stop30h 30m

Fri 9/189:00 pm -

1 stop24h 45m

Deal found 8/19

$1,022

Sat 9/56:55 pm -

2 stops46h 20m

Thu 9/107:00 am -

2 stops26h 50m

Deal found 8/20

$1,068

Mon 9/79:40 am -

2 stops55h 35m

Mon 9/216:15 am -

2 stops27h 35m

Deal found 8/19

$1,063

Mon 9/79:40 am -

2 stops55h 35m

Mon 9/146:15 am -

2 stops27h 35m

Deal found 8/21

$1,064

Mon 9/79:39 am -

2 stops31h 21m

Mon 9/147:30 am -

2 stops28h 29m

Deal found 8/18

$1,077

Tue 9/811:00 pm -

1 stop43h 50m

Thu 9/175:55 pm -

1 stop37h 35m

Deal found 8/21

$1,016

Wed 9/93:10 pm -

1 stop30h 30m

Wed 9/239:00 pm -

1 stop24h 45m

Deal found 8/19

$1,027

Fri 9/258:40 am -

2 stops27h 15m

Sun 10/41:25 am -

2 stops25h 30m

Deal found 8/19

$1,082

One-way flights from Washington, D.C. to Singapore
Search for one-way flight options from Washington, D.C. to Singapore. Find affordable one-way fares based on user searches. Data last updated August 22, 2026.

Mon 9/213:10 pm -

1 stop30h 30m

Deal found 8/18

$477

Sun 9/203:10 pm -

1 stop30h 30m

Deal found 8/18

$485

Thu 9/173:10 pm -

1 stop30h 30m

Deal found 8/18

$488

Wed 9/23:10 pm -

1 stop30h 30m

Deal found 8/18

$490

Tue 9/13:10 pm -

1 stop30h 30m

Deal found 8/19

$491

Tue 9/153:10 pm -

1 stop30h 30m

Deal found 8/18

$492

Wed 9/163:10 pm -

1 stop30h 30m

Deal found 8/18

$493

Fri 8/2811:00 pm -

1 stop43h 50m

Deal found 8/19

$494

Tue 9/157:35 pm -

2 stops53h 10m

Deal found 8/18

$497

Sun 9/133:10 pm -

1 stop30h 30m

Deal found 8/19

$502

Tue 9/226:00 pm -

3 stops47h 00m

Deal found 8/18

$513

Sun 9/201:15 pm -

1 stop22h 40m

Deal found 8/18

$515

Find flight deals from Washington, D.C. to Singapore

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$952 (oojo)
One-way from	$477 (SmartFares)
Popular in	December
Cheapest in	February
Average price	$1,150

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.

Search Deals

From Washington, D.C. (WAS) to Singapore

Search Deals

One-way flight from Washington, D.C. (WAS) to Singapore

Search Deals

Highest demand for flights based on searches. 10% potential increase in price ($146 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease ($67 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in August 2026

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. to Singapore that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Singapore

IAD Washington, D.C. Dulles Intl - SIN Singapore Changi

IADSIN

Washington, D.C. Dulles Intl

Sun 9/27

1:15 pm-7:15 pm

1 stop42h 00m

Singapore Changi

Sun 10/4

10:00 pm-11:05 am

1 stop25h 05m

$1,066

Washington, D.C.Singapore

IAD Washington, D.C. Dulles Intl - SIN Singapore Changi

IADSIN

Washington, D.C. Dulles Intl

Sat 9/5

8:28 am-5:00 am

2 stops32h 32m

Singapore Changi

Thu 9/10

7:30 am-11:05 am

1 stop39h 35m

$1,071

Quickest round-trip

Washington, D.C.Singapore

IAD Washington, D.C. Dulles Intl - SIN Singapore Changi

IADSIN

Washington, D.C. Dulles Intl

Sun 9/20

8:08 am-11:55 pm

2 stops27h 47m

Singapore Changi

Sun 10/4

1:25 am-11:05 am

1 stop21h 40m

$1,071

Washington, D.C.Singapore

IAD Washington, D.C. Dulles Intl - SIN Singapore Changi

IADSIN

Washington, D.C. Dulles Intl

Mon 9/28

10:15 am-5:00 am

2 stops30h 45m

Singapore Changi

Sun 10/4

7:30 am-11:05 am

1 stop39h 35m

$1,071

Washington, D.C.Singapore

IAD Washington, D.C. Dulles Intl - SIN Singapore Changi

IADSIN

Washington, D.C. Dulles Intl

Thu 9/10

6:00 am-5:00 am

2 stops35h 00m

Singapore Changi

Mon 9/14

7:30 am-11:05 am

1 stop39h 35m

$1,071

Washington, D.C.Singapore

IAD Washington, D.C. Dulles Intl - SIN Singapore Changi

IADSIN

Washington, D.C. Dulles Intl

Sun 9/6

6:10 am-5:00 am

2 stops34h 50m

Singapore Changi

Sun 9/20

1:25 am-11:43 pm

2 stops34h 18m

$1,077

Washington, D.C.Singapore

IAD Washington, D.C. Dulles Intl - SIN Singapore Changi

IADSIN

Washington, D.C. Dulles Intl

Sat 9/26

6:10 am-5:00 am

2 stops34h 50m

Singapore Changi

Tue 10/6

1:25 am-11:16 pm

2 stops33h 51m

$1,077

Washington, D.C.Singapore

IAD Washington, D.C. Dulles Intl - SIN Singapore Changi

IADSIN

Washington, D.C. Dulles Intl

Wed 9/30

6:10 am-11:55 pm

2 stops29h 45m

Singapore Changi

Wed 10/7

10:00 pm-4:28 pm

2 stops30h 28m

$1,077

Washington, D.C.Singapore

IAD Washington, D.C. Dulles Intl - SIN Singapore Changi

IADSIN

Washington, D.C. Dulles Intl

Mon 9/28

1:15 pm-11:55 pm

1 stop22h 40m

Singapore Changi

Wed 10/7

10:00 pm-5:33 pm

2 stops31h 33m

$1,077

Washington, D.C.Singapore

IAD Washington, D.C. Dulles Intl - SIN Singapore Changi

IADSIN

Washington, D.C. Dulles Intl

Wed 9/9

1:15 pm-11:55 pm

1 stop22h 40m

Singapore Changi

Tue 9/22

1:25 am-12:41 am

2 stops35h 16m

$1,077

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/18

Showing 1-10 of 60 resultsSorted by cheapest first

...

Best time to book a flight from Washington, D.C. to Singapore

Have a flexible travel schedule? Discover the best time to fly to Singapore from Washington, D.C. with our price prediction graph.

IAD-SIN

DCA-SIN

BWI-SIN

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 Washington, D.C. to Singapore

WAS-SG0

IAD-SIN

DCA-SIN

BWI-SIN

What is the cheapest month to book a flight from Washington, D.C. to Singapore?

Currently, February is the cheapest month in which you can book a flight from Washington, D.C. to Singapore (average of $1,029). Flying from Washington, D.C. to Singapore in December is currently the most expensive (average of $1,983). 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 far ahead should I book a flight from Washington, D.C. to Singapore?

To ensure you get the cheapest price possible for a flight from Washington, D.C. to Singapore, you should look to book at least 85 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

Reviews of airlines servicing Singapore

Read reviews from past customers who have flown Qatar Airways,Turkish Airlines, andUnited Airlines from Washington, D.C. to Singapore. 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.

Qatar Airways

7.4

Good

3,735 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Aug 2024

IAD - DOH

The cabin crew was courteous and helped ensure that our flight was comfortable by taking time to fulfill our meal orders, snacks, and making sure our carry-on luggage was placed in an overhead bin near our assigned seat.

Qatar Airways

7.4

Good

3,735 reviews

Qatar Airways

7.4

Good

3,735 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Aug 2024

IAD - DOH

Turkish Airlines

7.4

Good

4,480 reviews

Qatar Airways

7.4

Good

3,735 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Aug 2024

IAD - DOH

United Airlines

7.4

Good

10,115 reviews

Qatar Airways

7.4

Good

3,735 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Aug 2024

IAD - DOH

Etihad Airways

7.3

Good

1,509 reviews

Qatar Airways

7.4

Good

3,735 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Aug 2024

IAD - DOH

JetBlue

7.1

Good

3,037 reviews

Qatar Airways

7.4

Good

3,735 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Aug 2024

IAD - DOH

Related info for your journey

How long is the flight from Washington, D.C. to Singapore?
Korean Air, Cathay Pacific, and United Airlines can get you from Washington, D.C. to Singapore in just under 23h 23m. Your travel time can differ by up to 18h 37m. The distance between Washington, D.C. and Singapore is about 9629 mi. Both multi-stop and nonstop flights can be found to your destination and back.
What are the cheapest airlines to fly from Washington, D.C. to Singapore one-way?
The cheapest airlines for a one-way flight from Washington, D.C. to Singapore are Etihad Airways ($479), Turkish Airlines ($532), and Qatar Airways ($548).
What are the most popular routes from Washington, D.C. to Singapore?
The most popular route from Washington, D.C. to Singapore is Washington, D.C. Dulles Intl - Singapore Changi. You may also consider Washington, D.C. Reagan-National - Singapore Changi or Baltimore/Washington - Singapore Changi.
Can I find deals for flights from Washington, D.C. to Singapore that include hotel bookings?
Yes. In addition to deals on Washington, D.C. to Singapore flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Washington, D.C. to Singapore?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to Singapore.
Can I find deals for business class flights from Washington, D.C. to Singapore?
Yes. Cheapflights offers flight deals from Washington, D.C. 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. to Singapore?
Currently, February is the cheapest month in which you can book a flight from Washington, D.C. to Singapore (average of $1,029). Flying from Washington, D.C. to Singapore in December is currently the most expensive (average of $1,983). 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 Washington, D.C. to Singapore

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Dulles Intl to Cochin flights

Top 6 airlines flying from Washington, D.C. to Singapore

Airline	Cheapest	Average	Flexibility	On-time
Etihad Airways	Cheapest$826	Average$1,051	FlexibilityNo cancel fee	On-time75%
Turkish Airlines	Cheapest$938	Average$1,135	FlexibilityNo cancel fee	On-time77%
Qatar Airways	Cheapest$1,039	Average$1,223	FlexibilityNo cancel fee	On-time68%
Korean Air	Cheapest$1,069	Average$1,279	FlexibilityNo cancel fee	On-time81%
United Airlines	Cheapest$1,124	Average$1,450	FlexibilityNo cancel fee	On-time69%
JetBlue	Cheapest$1,298	Average$2,079	FlexibilityNo cancel fee	On-time62%

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$477+ Cheap flights from Washington, D.C. (WAS) 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 9/21. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheap flight deals from Washington, D.C. to Singapore

Cheapest flights from Washington, D.C. to SingaporeExplore the most affordable flight options available from Washington, D.C. to Singapore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 22, 2026.

Explore the most affordable flight options available from Washington, D.C. to Singapore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 22, 2026.

Best flights from Washington, D.C. to SingaporeDiscover carefully curated flight deals from Washington, D.C. to Singapore that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 22, 2026.

Discover carefully curated flight deals from Washington, D.C. to Singapore that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 22, 2026.

Last-minute flights from Washington, D.C. to SingaporeDiscover last-minute flight deals from Washington, D.C. to Singapore. Data last updated August 22, 2026 and is based on user searches.

Discover last-minute flight deals from Washington, D.C. to Singapore. Data last updated August 22, 2026 and is based on user searches.

One-way flights from Washington, D.C. to SingaporeSearch for one-way flight options from Washington, D.C. to Singapore. Find affordable one-way fares based on user searches. Data last updated August 22, 2026.

Search for one-way flight options from Washington, D.C. to Singapore. Find affordable one-way fares based on user searches. Data last updated August 22, 2026.

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Best time to book a flight from Washington, D.C. to Singapore

Have a flexible travel schedule? Discover the best time to fly to Singapore from Washington, D.C. with our price prediction graph.

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What is the cheapest month to book a flight from Washington, D.C. to Singapore?

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

To ensure you get the cheapest price possible for a flight from Washington, D.C. to Singapore, you should look to book at least 85 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

Reviews of airlines servicing Singapore

Read reviews from past customers who have flown Qatar Airways,Turkish Airlines, andUnited Airlines from Washington, D.C. to Singapore. 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.

Related info for your journey

How long is the flight from Washington, D.C. to Singapore?

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Can I find deals for flights from Washington, D.C. to Singapore that include hotel bookings?

How can I find direct flights from Washington, D.C. to Singapore?

Can I find deals for business class flights from Washington, D.C. to Singapore?

What is the cheapest month to book a flight from Washington, D.C. to Singapore?

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Alternative routes for Washington, D.C. to Singapore

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Washington, D.C. and Singapore flights

Browse other Washington, D.C. and Singapore flight options. Last updated on August 22, 2026.

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Washington, D.C. to Singapore flights

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Cheapest flights from Washington, D.C. to Singapore
Explore the most affordable flight options available from Washington, D.C. to Singapore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 22, 2026.

Best flights from Washington, D.C. to Singapore
Discover carefully curated flight deals from Washington, D.C. to Singapore that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 22, 2026.

Last-minute flights from Washington, D.C. to Singapore
Discover last-minute flight deals from Washington, D.C. to Singapore. Data last updated August 22, 2026 and is based on user searches.

One-way flights from Washington, D.C. to Singapore
Search for one-way flight options from Washington, D.C. to Singapore. Find affordable one-way fares based on user searches. Data last updated August 22, 2026.