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 Qatar Airways ($603), American Airlines ($627), and Turkish Airlines ($652).

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 American Airlines, JetBlue or Delta as they are the most popular for this route.

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 Baltimore/Washington - Singapore Changi or Washington, D.C. Reagan-National - Singapore Changi.

Can I find flights from Washington, D.C. to Singapore for under $1,000 on Cheapflights?

Yes, there are multiple flights from Washington, D.C. to Singapore for under $1,000. The cheapest flight booked recently is on Turkish Airlines for just $967, but on average you can expect to pay $1,082.

Are there nonstop flights from Washington, D.C. to Singapore for under $6,300 on Cheapflights?

Cheapflights has at least 1 direct flight from Washington, D.C. to Singapore under $6,300. A good price for a nonstop flight from Washington, D.C. to Singapore is less than $6,239.

Are there last-minute flights available from Washington, D.C. to Singapore for under $1,800?

There are currently 20+ open flights from Washington, D.C. to Singapore within the next 7 days for less than $1,800.

Which airlines flying from Washington, D.C. to Singapore have flexible cancellations due to COVID-19?

Some of our airline partners flying from Washington, D.C. to Singapore have new flexible policies in place due to COVID-19. Turkish Airlines, Qatar Airways, and Singapore Airlines are some of the carriers where you may find flexible cancellation policies. You can use our site to filter for airlines like Turkish Airlines with this kind of flexibility.

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

To save up to 31% on this flight, we recommend booking at least 61 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Washington, D.C. to Singapore from $1,758 1-2 weeks out and tickets from $2,121 for flights departing within the next 72 hours.

What is the cheapest month to fly from Washington, D.C. to Singapore?

The best pricing can be found in the month of April. Prices to Singapore from Washington, D.C. average $1,433. You can even find prices in April for less than $1,433, as users have found deals to Singapore from as low as $846. The month of December appears to be one of the more expensive times to travel to Singapore from Washington, D.C.. Flying in the targeted month can save you up to 43%.

When is the cheapest time to fly from Washington, D.C. to Singapore (WAS - 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.

Cheap Flights from Washington, D.C., DC to Singapore from $542 - Find Tickets & Airfare Deals at Cheapflights.com

Cheap flights from Washington, D.C. to Singapore in May, June 2023

Scroll through some of the best deals on flights from Washington, D.C. to Singapore in 2023. Check back in a little while for more flight options.

May 30 - Jun 26

IAD

Washington, D.C. Dulles Intl

SIN

Singapore Changi

1 stop

31h 05m

SIN

Singapore Changi

IAD

Washington, D.C. Dulles Intl

1 stop

44h 40m

$1,733

Undisclosed Carrier

Deal found 5/24

Jun 25 - Jul 8

IAD

Washington, D.C. Dulles Intl

SIN

Singapore Changi

2 stops

30h 10m

SIN

Singapore Changi

IAD

Washington, D.C. Dulles Intl

1 stop

34h 05m

$1,738

Multiple Airlines

Deal found 5/25

May 27 - Jun 13

IAD

Washington, D.C. Dulles Intl

SIN

Singapore Changi

1 stop

30h 05m

SIN

Singapore Changi

IAD

Washington, D.C. Dulles Intl

1 stop

25h 55m

$1,777

Lufthansa

Deal found 5/25

Jun 26 - Jul 5

IAD

Washington, D.C. Dulles Intl

SIN

Singapore Changi

2 stops

35h 00m

SIN

Singapore Changi

IAD

Washington, D.C. Dulles Intl

2 stops

30h 36m

$1,801

Delta

Deal found 5/25

Jun 26 - Jul 6

IAD

Washington, D.C. Dulles Intl

SIN

Singapore Changi

2 stops

33h 54m

SIN

Singapore Changi

IAD

Washington, D.C. Dulles Intl

2 stops

40h 59m

$1,802

Delta

Deal found 5/25

May 27 - Jun 13

IAD

Washington, D.C. Dulles Intl

SIN

Singapore Changi

2 stops

30h 00m

SIN

Singapore Changi

IAD

Washington, D.C. Dulles Intl

1 stop

25h 55m

$1,803

Lufthansa

Deal found 5/25

May 30 - Jun 26

IAD

Washington, D.C. Dulles Intl

SIN

Singapore Changi

1 stop

23h 15m

SIN

Singapore Changi

IAD

Washington, D.C. Dulles Intl

2 stops

31h 05m

$1,805

Multiple Airlines

Deal found 5/24

Jun 7 - Jun 22

IAD

Washington, D.C. Dulles Intl

SIN

Singapore Changi

2 stops

32h 15m

SIN

Singapore Changi

IAD

Washington, D.C. Dulles Intl

1 stop

33h 10m

$1,810

Multiple Airlines

Deal found 5/23

May 24 - May 31

IAD

Washington, D.C. Dulles Intl

SIN

Singapore Changi

1 stop

35h 50m

SIN

Singapore Changi

IAD

Washington, D.C. Dulles Intl

1 stop

33h 50m

$1,825

British Airways

Deal found 5/23

Washington, D.C. to Singapore 2023 flight deals

Scroll through some of the best deals on flights from Washington, D.C. to Singapore in 2023. Check back in a little while for more flight options.

Oct 9 - Oct 16

IAD

Washington, D.C. Dulles Intl

SIN

Singapore Changi

1 stop

28h 20m

SIN

Singapore Changi

IAD

Washington, D.C. Dulles Intl

1 stop

37h 30m

$967

Turkish Airlines

Deal found 5/23

Aug 24 - Sep 20

IAD

Washington, D.C. Dulles Intl

SIN

Singapore Changi

1 stop

28h 20m

SIN

Singapore Changi

IAD

Washington, D.C. Dulles Intl

1 stop

36h 55m

$997

Turkish Airlines

Deal found 5/24

Nov 15 - Nov 23

IAD

Washington, D.C. Dulles Intl

SIN

Singapore Changi

1 stop

21h 50m

SIN

Singapore Changi

IAD

Washington, D.C. Dulles Intl

1 stop

46h 05m

$1,022

Turkish Airlines

Deal found 5/24

Dec 30 - Jan 31

IAD

Washington, D.C. Dulles Intl

SIN

Singapore Changi

1 stop

26h 50m

SIN

Singapore Changi

IAD

Washington, D.C. Dulles Intl

1 stop

26h 20m

$1,028

Turkish Airlines

Deal found 5/24

Sep 18 - Oct 8

IAD

Washington, D.C. Dulles Intl

SIN

Singapore Changi

1 stop

22h 15m

SIN

Singapore Changi

IAD

Washington, D.C. Dulles Intl

1 stop

25h 30m

$1,052

Qatar Airways

Deal found 5/24

Oct 2 - Oct 30

IAD

Washington, D.C. Dulles Intl

SIN

Singapore Changi

1 stop

24h 05m

SIN

Singapore Changi

IAD

Washington, D.C. Dulles Intl

1 stop

26h 45m

$1,054

Qatar Airways

Deal found 5/24

Dec 30 - Jan 26

IAD

Washington, D.C. Dulles Intl

SIN

Singapore Changi

1 stop

26h 50m

SIN

Singapore Changi

IAD

Washington, D.C. Dulles Intl

1 stop

26h 20m

$1,057

Turkish Airlines

Deal found 5/24

Sep 8 - Oct 4

IAD

Washington, D.C. Dulles Intl

SIN

Singapore Changi

1 stop

37h 10m

SIN

Singapore Changi

IAD

Washington, D.C. Dulles Intl

1 stop

36h 55m

$1,062

Turkish Airlines

Deal found 5/24

Sep 30 - Nov 1

IAD

Washington, D.C. Dulles Intl

SIN

Singapore Changi

1 stop

37h 10m

SIN

Singapore Changi

IAD

Washington, D.C. Dulles Intl

1 stop

32h 40m

$1,070

Undisclosed Carrier

Deal found 5/24

Cheap Qatar Airways flights from Washington, D.C. to Singapore

Take a look at some of the lowest-priced Qatar Airways flights heading from Washington, D.C. to Singapore. Make sure to check back often as deals are often changing.

Sep 18 - Oct 8

IAD

Washington, D.C. Dulles Intl

SIN

Singapore Changi

1 stop

22h 15m

SIN

Singapore Changi

IAD

Washington, D.C. Dulles Intl

1 stop

25h 30m

$1,052

Qatar Airways

Deal found 5/24

Oct 2 - Oct 30

IAD

Washington, D.C. Dulles Intl

SIN

Singapore Changi

1 stop

24h 05m

SIN

Singapore Changi

IAD

Washington, D.C. Dulles Intl

1 stop

26h 45m

$1,054

Qatar Airways

Deal found 5/24

Aug 24 - Sep 19

IAD

Washington, D.C. Dulles Intl

SIN

Singapore Changi

1 stop

22h 15m

SIN

Singapore Changi

IAD

Washington, D.C. Dulles Intl

1 stop

25h 30m

$1,078

Qatar Airways

Deal found 5/24

Sep 30 - Oct 31

IAD

Washington, D.C. Dulles Intl

SIN

Singapore Changi

1 stop

22h 15m

SIN

Singapore Changi

IAD

Washington, D.C. Dulles Intl

1 stop

26h 45m

$1,090

Qatar Airways

Deal found 5/24

Sep 13 - Oct 13

IAD

Washington, D.C. Dulles Intl

SIN

Singapore Changi

1 stop

36h 25m

SIN

Singapore Changi

IAD

Washington, D.C. Dulles Intl

1 stop

24h 05m

$1,093

Qatar Airways

Deal found 5/24

Sep 18 - Sep 21

IAD

Washington, D.C. Dulles Intl

SIN

Singapore Changi

1 stop

22h 15m

SIN

Singapore Changi

IAD

Washington, D.C. Dulles Intl

1 stop

25h 30m

$1,112

Qatar Airways

Deal found 5/25

Sep 18 - Sep 22

IAD

Washington, D.C. Dulles Intl

SIN

Singapore Changi

1 stop

24h 05m

SIN

Singapore Changi

IAD

Washington, D.C. Dulles Intl

1 stop

34h 20m

$1,116

Qatar Airways

Deal found 5/25

Oct 9 - Oct 16

IAD

Washington, D.C. Dulles Intl

SIN

Singapore Changi

2 stops

32h 30m

SIN

Singapore Changi

IAD

Washington, D.C. Dulles Intl

1 stop

24h 05m

$1,118

Qatar Airways

Deal found 5/23

Nov 4 - Nov 12

IAD

Washington, D.C. Dulles Intl

SIN

Singapore Changi

1 stop

21h 45m

SIN

Singapore Changi

IAD

Washington, D.C. Dulles Intl

1 stop

43h 30m

$1,119

Qatar Airways

Deal found 5/25

Cheap Undisclosed Carrier flights from Washington, D.C. to Singapore

Some of the best deals we've found on Undisclosed Carrier flights traveling from Washington, D.C. to Singapore. Check back soon if you're not seeing flights that suit your needs.

Sep 30 - Nov 1

IAD

Washington, D.C. Dulles Intl

SIN

Singapore Changi

1 stop

37h 10m

SIN

Singapore Changi

IAD

Washington, D.C. Dulles Intl

1 stop

32h 40m

$1,070

Undisclosed Carrier

Deal found 5/24

Nov 15 - Nov 22

IAD

Washington, D.C. Dulles Intl

SIN

Singapore Changi

1 stop

32h 00m

SIN

Singapore Changi

IAD

Washington, D.C. Dulles Intl

1 stop

35h 25m

$1,115

Undisclosed Carrier

Deal found 5/24

Sep 18 - Sep 22

BWI

Baltimore/Washington

SIN

Singapore Changi

1 stop

32h 55m

SIN

Singapore Changi

BWI

Baltimore/Washington

1 stop

31h 45m

$1,128

Undisclosed Carrier

Deal found 5/25

Oct 2 - Oct 30

DCA

Washington, D.C. Reagan-National

SIN

Singapore Changi

2 stops

27h 50m

SIN

Singapore Changi

DCA

Washington, D.C. Reagan-National

2 stops

22h 26m

$1,521

Undisclosed Carrier

Deal found 5/24

May 30 - Jun 26

IAD

Washington, D.C. Dulles Intl

SIN

Singapore Changi

1 stop

31h 05m

SIN

Singapore Changi

IAD

Washington, D.C. Dulles Intl

1 stop

44h 40m

$1,733

Undisclosed Carrier

Deal found 5/24

Non-stop flights to Singapore from Washington, D.C.

Take a look at some of the direct flights traveling from Washington, D.C. to Singapore in the near future. Select from other flights from Washington, D.C. to Singapore by using the search form above.

Jul 1 - Jul 2

BWI

Baltimore/Washington

SIN

Singapore Changi

Nonstop

7h 15m

SIN

Singapore Changi

BWI

Baltimore/Washington

Nonstop

31h 15m

$6,239

Undisclosed Carrier

Deal found 5/25

Last minute flights from Washington, D.C. to Singapore

Consider one of these great deals we found on last-minute flights from Washington, D.C. to Singapore. Tip: verify your flight details before completing your reservation.

May 30 - Jun 26

IAD

Washington, D.C. Dulles Intl

SIN

Singapore Changi

1 stop

31h 05m

SIN

Singapore Changi

IAD

Washington, D.C. Dulles Intl

1 stop

44h 40m

$1,733

Undisclosed Carrier

Deal found 5/24

May 30 - Jun 26

IAD

Washington, D.C. Dulles Intl

SIN

Singapore Changi

1 stop

23h 15m

SIN

Singapore Changi

IAD

Washington, D.C. Dulles Intl

2 stops

31h 05m

$1,805

Multiple Airlines

Deal found 5/24

May 30 - Jun 26

IAD

Washington, D.C. Dulles Intl

SIN

Singapore Changi

2 stops

54h 02m

SIN

Singapore Changi

IAD

Washington, D.C. Dulles Intl

2 stops

26h 50m

$1,838

Lufthansa

Deal found 5/24

May 30 - Jun 25

IAD

Washington, D.C. Dulles Intl

SIN

Singapore Changi

1 stop

24h 05m

SIN

Singapore Changi

IAD

Washington, D.C. Dulles Intl

1 stop

25h 30m

$2,129

Multiple Airlines

Deal found 5/24

Jun 1 - Aug 3

IAD

Washington, D.C. Dulles Intl

SIN

Singapore Changi

1 stop

30h 10m

SIN

Singapore Changi

IAD

Washington, D.C. Dulles Intl

2 stops

54h 50m

$2,176

Multiple Airlines

Deal found 5/23

Jun 1 - Aug 3

IAD

Washington, D.C. Dulles Intl

SIN

Singapore Changi

2 stops

32h 20m

SIN

Singapore Changi

IAD

Washington, D.C. Dulles Intl

2 stops

32h 39m

$2,193

United Airlines

Deal found 5/23

May 30 - Jun 25

IAD

Washington, D.C. Dulles Intl

SIN

Singapore Changi

1 stop

23h 15m

SIN

Singapore Changi

IAD

Washington, D.C. Dulles Intl

2 stops

29h 30m

$2,209

Multiple Airlines

Deal found 5/24

Jun 1 - Aug 3

BWI

Baltimore/Washington

SIN

Singapore Changi

2 stops

31h 48m

SIN

Singapore Changi

BWI

Baltimore/Washington

1 stop

31h 45m

$2,254

American Airlines

Deal found 5/23

Jun 1 - Aug 3

IAD

Washington, D.C. Dulles Intl

SIN

Singapore Changi

1 stop

30h 10m

SIN

Singapore Changi

IAD

Washington, D.C. Dulles Intl

1 stop

40h 40m

$2,256

ANA

Deal found 5/23

One-way flights to Singapore from Washington, D.C.

Take a look at some of the one-way flights we've detected from Washington, D.C. to Singapore. Users needing a return flight from Washington, D.C. to Singapore should utilize the search form above.

Oct 18

IAD

Washington, D.C. Dulles Intl

SIN

Singapore Changi

2 stops

31h 55m

$542

Multiple Airlines

Deal found 5/23

Oct 18

IAD

Washington, D.C. Dulles Intl

SIN

Singapore Changi

1 stop

36h 25m

$603

Qatar Airways

Deal found 5/23

Aug 31

IAD

Washington, D.C. Dulles Intl

SIN

Singapore Changi

1 stop

22h 15m

$609

Qatar Airways

Deal found 5/24

Oct 4

DCA

Washington, D.C. Reagan-National

SIN

Singapore Changi

2 stops

40h 55m

$627

American Airlines

Deal found 5/25

Sep 1

IAD

Washington, D.C. Dulles Intl

SIN

Singapore Changi

1 stop

37h 10m

$652

Turkish Airlines

Deal found 5/24

Sep 1

DCA

Washington, D.C. Reagan-National

SIN

Singapore Changi

2 stops

34h 59m

$670

American Airlines

Deal found 5/24

Aug 31

IAD

Washington, D.C. Dulles Intl

SIN

Singapore Changi

2 stops

37h 45m

$674

Qatar Airways

Deal found 5/24

Aug 2

IAD

Washington, D.C. Dulles Intl

SIN

Singapore Changi

2 stops

29h 45m

$680

Multiple Airlines

Deal found 5/24

Aug 13

IAD

Washington, D.C. Dulles Intl

SIN

Singapore Changi

1 stop

22h 15m

$703

Qatar Airways

Deal found 5/24

Find flights from Washington, D.C. to Singapore within your budget

Fly from

Fly to

Budget

$967 - $1,575

Route

Depart

Return

Price

Washington, D.C. Dulles IntlSingapore Changi

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Mon 10/9

1 stop28h 20m

Singapore Changi

Mon 10/16

1 stop37h 30m

$967

Pick Dates

Washington, D.C. Dulles IntlSingapore Changi

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Mon 9/18

1 stop22h 15m

Singapore Changi

Sun 10/8

1 stop25h 30m

$1,052

Pick Dates

Washington, D.C. Dulles IntlSingapore Changi

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Sat 9/30

1 stop37h 10m

Singapore Changi

Wed 11/1

1 stop32h 40m

$1,070

Pick Dates

Washington, D.C. Dulles IntlSingapore Changi

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Thu 9/28

1 stop22h 15m

Singapore Changi

Sat 10/28

1 stop26h 05m

$1,085

Pick Dates

Washington, D.C. Dulles IntlSingapore Changi

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Thu 9/28

1 stop22h 15m

Singapore Changi

Sun 10/29

1 stop43h 30m

$1,132

Pick Dates

Washington, D.C. Reagan-NationalSingapore Changi

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Thu 8/24

2 stops33h 00m

Singapore Changi

Wed 9/20

2 stops32h 11m

$1,142

Pick Dates

Washington, D.C. Reagan-NationalSingapore Changi

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Thu 10/12

2 stops26h 35m

Singapore Changi

Wed 10/18

2 stops28h 06m

$1,376

Pick Dates

Washington, D.C. Reagan-NationalSingapore Changi

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Sun 9/17

2 stops33h 00m

Singapore Changi

Sat 9/23

2 stops27h 06m

$1,468

Pick Dates

Baltimore/WashingtonSingapore Changi

BWI - SIN

BWISIN

Baltimore/Washington

Sat 9/30

1 stop35h 13m

Singapore Changi

Tue 10/31

1 stop22h 01m

$1,575

Pick Dates

Flights are sorted by cheapest first

Deals found on 5/23

Reviews of Airlines Servicing Singapore

See what other customers who have flown with Qatar Airways, Undisclosed Carrier and JetBlue from Washington, D.C. to Singapore have to say. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

ANA

8.3

Very good

107 reviews

Check prices

Reviews

1 / 10

The flight attendants were very friendly. There were a lot beverages offered frequently and the food was pretty good for being airplane food. Overall, I enjoyed my flight and would definitely travel this airline again.

ANA

8.3

Very good

107 reviews

ANA

8.3

Very good

107 reviews

Check prices

Reviews

1 / 10

The flight attendants were very friendly. There were a lot beverages offered frequently and the food was pretty good for being airplane food. Overall, I enjoyed my flight and would definitely travel this airline again.

Korean Air

8.2

Very good

240 reviews

ANA

8.3

Very good

107 reviews

Check prices

Reviews

1 / 10

The flight attendants were very friendly. There were a lot beverages offered frequently and the food was pretty good for being airplane food. Overall, I enjoyed my flight and would definitely travel this airline again.

Singapore Airlines

8.2

Very good

302 reviews

ANA

8.3

Very good

107 reviews

Check prices

Reviews

1 / 10

The flight attendants were very friendly. There were a lot beverages offered frequently and the food was pretty good for being airplane food. Overall, I enjoyed my flight and would definitely travel this airline again.

Delta

8.0

Very good

2,341 reviews

ANA

8.3

Very good

107 reviews

Check prices

Reviews

1 / 10

The flight attendants were very friendly. There were a lot beverages offered frequently and the food was pretty good for being airplane food. Overall, I enjoyed my flight and would definitely travel this airline again.

Japan Airlines

7.9

Good

247 reviews

ANA

8.3

Very good

107 reviews

Check prices

Reviews

1 / 10

The flight attendants were very friendly. There were a lot beverages offered frequently and the food was pretty good for being airplane food. Overall, I enjoyed my flight and would definitely travel this airline again.

Related info for your journey

Washington, D.C. Dulles Intl Airport is IAD and Singapore Changi Airport is SIN. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service. While you’re still figuring out your travel plans, it’s not a bad idea to learn the names and codes of other airports around these areas: Singapore Seletar Airport (XSP).

Flights to Singapore from Washington, D.C.

Flights to Washington, D.C.

Flights to Singapore

Flights from Washington, D.C.

Flights from Singapore

Rent a Car

Car Rentals in Singapore

Car Rentals in Asia

Car Rentals at Singapore

Top 10 airlines flying from Washington, D.C. to Singapore

Airline	Cheapest	Average	Flexibility	On-time	COVID-19 safety
Turkish Airlines	Cheapest$914	Average$1,360	FlexibilityNo cancel fee	On-time77%	COVID-19 safety	Search Turkish Airlines flights
Etihad Airways	Cheapest$1,042	Average$1,174	FlexibilityNo cancel fee	On-time75%	COVID-19 safety	Search Etihad Airways flights
American Airlines	Cheapest$1,078	Average$1,460	FlexibilityNo cancel fee	On-time71%	COVID-19 safety	Search American Airlines flights
JetBlue	Cheapest$1,085	Average$1,444	FlexibilityNo cancel fee	On-time62%	COVID-19 safety	Search JetBlue flights
Qatar Airways	Cheapest$1,119	Average$1,517	FlexibilityNo cancel fee	On-time68%	COVID-19 safety	Search Qatar Airways flights
Singapore Airlines	Cheapest$1,147	Average$1,449	FlexibilityNo cancel fee	On-time81%	COVID-19 safety	Search Singapore Airlines flights
Korean Air	Cheapest$1,206	Average$1,569	FlexibilityNo cancel fee	On-time81%	COVID-19 safety	Search Korean Air flights
Delta	Cheapest$1,257	Average$1,678	FlexibilityNo cancel fee	On-timeN/A	COVID-19 safety	Search Delta flights
Lufthansa	Cheapest$1,384	Average$1,503	FlexibilityNo cancel fee	On-time76%	COVID-19 safety	Search Lufthansa flights
United Airlines	Cheapest$1,533	Average$1,820	FlexibilityNo cancel fee	On-time69%	COVID-19 safety	Search United Airlines flights

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Cheap flights from Washington, D.C. (WAS) to Singapore from $542

This is the cheapest one-way flight price, found on 5/23. Prices may vary by date and flight preferences.

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

What is the cheapest month to fly from Washington, D.C. to Singapore?

When is the cheapest time to fly from Washington, D.C. to Singapore (WAS - SG)?

Cheap flights from Washington, D.C. to Singapore in May, June 2023

The best prices found for WAS to Singapore flights for May, June

Scroll through some of the best deals on flights from Washington, D.C. to Singapore in 2023. Check back in a little while for more flight options.

Washington, D.C. to Singapore 2023 flight deals

Cheap flights to Singapore from Washington, D.C. found for this year

Scroll through some of the best deals on flights from Washington, D.C. to Singapore in 2023. Check back in a little while for more flight options.

Cheap Qatar Airways flights from Washington, D.C. to Singapore

Take a look at some of the lowest-priced Qatar Airways flights heading from Washington, D.C. to Singapore. Make sure to check back often as deals are often changing.

Cheap Undisclosed Carrier flights from Washington, D.C. to Singapore

Some of the best deals we've found on Undisclosed Carrier flights traveling from Washington, D.C. to Singapore. Check back soon if you're not seeing flights that suit your needs.

Non-stop flights to Singapore from Washington, D.C.

Save time with Washington, D.C. to Singapore direct flight deals

Take a look at some of the direct flights traveling from Washington, D.C. to Singapore in the near future. Select from other flights from Washington, D.C. to Singapore by using the search form above.

Last minute flights from Washington, D.C. to Singapore

Late deals on return flights to Singapore from Washington, D.C., departing today and this week

Consider one of these great deals we found on last-minute flights from Washington, D.C. to Singapore. Tip: verify your flight details before completing your reservation.

One-way flights to Singapore from Washington, D.C.

The cheapest one-way flights from Washington, D.C. to Singapore

Take a look at some of the one-way flights we've detected from Washington, D.C. to Singapore. Users needing a return flight from Washington, D.C. to Singapore should utilize the search form above.

Find flights from Washington, D.C. to Singapore within your budget

Use the slider to find flights from Washington, D.C. to Singapore that fit your budget.

Reviews of Airlines Servicing Singapore

See what other customers who have flown with Qatar Airways, Undisclosed Carrier and JetBlue from Washington, D.C. to Singapore have to say. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Useful info, stats and facts about Washington, D.C. to Singapore flights.

Which airlines flying from Washington, D.C. to Singapore have flexible cancellations due to COVID-19?

Can I find flights from Washington, D.C. to Singapore for under $1,000 on Cheapflights?

Are there nonstop flights from Washington, D.C. to Singapore for under $6,300 on Cheapflights?

Are there last-minute flights available from Washington, D.C. to Singapore for under $1,800?

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

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

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

What does IAD to SIN mean?

Flights to Singapore from Washington, D.C.

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Top 10 airlines flying from Washington, D.C. to Singapore

The chart below displays the airlines Cheapflights users traveling from Washington, D.C. to Singapore choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.

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