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

For one-way options, check prices for IndiGo. According to our data, you can fly for as low as $420. Users have also found prices from $423 and $445 on Air India and Turkish Airlines, respectively.

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

American Airlines, Air Canada and Air India are the most popular airlines when flying from Washington, D.C. Dulles Intl Airport to Singapore.

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

Find a great deal and save up to 16% by booking at least 61 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Washington, D.C. Dulles Intl Airport to Singapore within the next two weeks, with the cheapest ticket starting at $957.

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

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, October can be a great choice for travel to Singapore. Flights to Singapore from Washington, D.C. Dulles Intl Airport in October are about $1,231 on average during October, but can be found for as low as $653.

Can I find deals for flights from Dulles Intl to Singapore that include hotel bookings?

Yes. In addition to deals on Dulles Intl to Singapore flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Dulles Intl to Singapore?

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

Can I find deals for business class flights from Dulles Intl to Singapore?

Yes. Cheapflights offers flight deals from Dulles Intl 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.

$1,311+ Flights from Washington, D.C. Dulles Intl Airport to Singapore

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Cheap flight deals from Dulles Intl to Singapore

Round-trip from	$1,086 (Air Canada)
One-way from	$420 (Booking.com)
Popular in	December
Cheapest in	October
Average price	$1,422

From Washington, D.C. Dulles Intl to Singapore

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One-way flight from Washington, D.C. Dulles Intl to Singapore

Search Deals

Highest demand for flights based on searches. 5% potential increase in price ($73 potential increase over avg. RT price).

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Cheapest flight prices on average. 4% potential price decrease ($53 potential savings vs. average RT price).

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Average for round-trip flights in June 2025

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Find flight deals from Dulles Intl to Singapore

Cheapest flights from Dulles Intl to Singapore
Explore the most affordable flight options available from Dulles Intl to Singapore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on junio 12, 2025.

mié. 7/165:12 pmIAD - SIN

2 stops49h 53mAir Canada

mar. 7/229:10 amSIN - IAD

2 stops36h 27mAir Canada

Deal found 6/10

$1,086

mié. 7/91:30 pmIAD - SIN

1 stop31h 15mTurkish Airlines

mar. 10/75:10 amSIN - IAD

1 stop26h 35mTurkish Airlines

Deal found 6/11

$1,095

lun. 9/86:00 amIAD - SIN

2 stops29h 40mKorean Air

mié. 9/171:10 amSIN - IAD

2 stops32h 03mKorean Air

Deal found 6/12

$1,096

dom. 12/1411:00 amIAD - SIN

1 stop31h 00mAir India

lun. 12/228:20 amSIN - IAD

1 stop35h 30mAir India

Deal found 6/12

$1,100

jue. 11/138:05 pmIAD - SIN

1 stop29h 50mQatar Airways

mar. 11/185:25 pmSIN - IAD

2 stops27h 55mQatar Airways

Deal found 6/12

$1,102

mié. 7/161:30 pmIAD - SIN

1 stop40h 25mMultiple Airlines

mar. 7/227:45 pmSIN - IAD

2 stops36h 00mMultiple Airlines

Deal found 6/10

$1,103

jue. 7/109:40 pmIAD - SIN

2 stops32h 05mIndiGo

jue. 7/177:45 pmSIN - IAD

2 stops36h 00mIndiGo

Deal found 6/10

$1,135

jue. 7/316:32 amIAD - SIN

1 stop23h 53mUnited Airlines

lun. 9/158:45 amSIN - IAD

1 stop24h 32mUnited Airlines

Deal found 6/11

$1,225

jue. 11/2010:00 amIAD - SIN

1 stop39h 50mEthiopian Air

dom. 11/302:00 amSIN - IAD

2 stops30h 05mEthiopian Air

Deal found 6/11

$1,240

jue. 9/186:00 pmIAD - SIN

2 stops29h 45mCathay Pacific

dom. 9/281:50 amSIN - IAD

2 stops45h 07mCathay Pacific

Deal found 6/10

$1,253

lun. 12/81:05 pmIAD - SIN

2 stops28h 50mANA

lun. 12/1510:20 pmSIN - IAD

2 stops26h 23mANA

Deal found 6/12

$1,274

sáb. 10/119:00 pmIAD - SIN

1 stop24h 00mJetBlue

sáb. 10/183:10 amSIN - IAD

1 stop24h 30mJetBlue

Deal found 6/10

$1,277

Best flights from Dulles Intl to Singapore
Discover carefully curated flight deals from Dulles Intl to Singapore that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated junio 12, 2025.

mié. 7/165:12 pmIAD - SIN

2 stops49h 53mAir Canada

mar. 7/229:10 amSIN - IAD

2 stops36h 27mAir Canada

Deal found 6/10

$1,086

mié. 7/91:30 pmIAD - SIN

1 stop31h 15mTurkish Airlines

mar. 10/75:10 amSIN - IAD

1 stop26h 35mTurkish Airlines

Deal found 6/11

$1,095

lun. 9/86:00 amIAD - SIN

2 stops29h 40mKorean Air

mié. 9/171:10 amSIN - IAD

2 stops32h 03mKorean Air

Deal found 6/12

$1,096

jue. 11/138:05 pmIAD - SIN

1 stop29h 50mQatar Airways

mar. 11/185:25 pmSIN - IAD

2 stops27h 55mQatar Airways

Deal found 6/12

$1,102

mié. 7/161:30 pmIAD - SIN

1 stop40h 25mMultiple Airlines

mar. 7/227:45 pmSIN - IAD

2 stops36h 00mMultiple Airlines

Deal found 6/10

$1,103

dom. 7/2012:50 pmIAD - SIN

1 stop30h 25mAir India

lun. 8/48:45 amSIN - IAD

1 stop38h 30mAir India

Deal found 6/12

$1,116

jue. 7/109:40 pmIAD - SIN

2 stops32h 05mIndiGo

jue. 7/177:45 pmSIN - IAD

2 stops36h 00mIndiGo

Deal found 6/10

$1,135

jue. 7/316:32 amIAD - SIN

1 stop23h 53mUnited Airlines

lun. 9/158:45 amSIN - IAD

1 stop24h 32mUnited Airlines

Deal found 6/11

$1,225

jue. 11/2010:00 amIAD - SIN

1 stop39h 50mEthiopian Air

dom. 11/302:00 amSIN - IAD

2 stops30h 05mEthiopian Air

Deal found 6/11

$1,240

jue. 9/186:00 pmIAD - SIN

2 stops29h 45mCathay Pacific

dom. 9/281:50 amSIN - IAD

2 stops45h 07mCathay Pacific

Deal found 6/10

$1,253

lun. 12/81:05 pmIAD - SIN

2 stops28h 50mANA

lun. 12/1510:20 pmSIN - IAD

2 stops26h 23mANA

Deal found 6/12

$1,274

sáb. 10/119:00 pmIAD - SIN

1 stop24h 00mJetBlue

sáb. 10/183:10 amSIN - IAD

1 stop24h 30mJetBlue

Deal found 6/10

$1,277

Last-minute flights from Dulles Intl to Singapore
Discover last-minute flight deals from Dulles Intl to Singapore. Data last updated junio 12, 2025 and is based on user searches.

vie. 6/1310:55 amIAD - SIN

1 stop39h 55mEthiopian Air

mar. 6/172:00 amSIN - IAD

2 stops30h 05mEthiopian Air

Deal found 6/10

$1,311

mié. 6/189:00 pmIAD - SIN

1 stop36h 00mQatar Airways

mié. 7/26:45 pmSIN - IAD

1 stop25h 55mQatar Airways

Deal found 6/11

$1,270

mié. 6/1810:55 amIAD - SIN

1 stop39h 55mEthiopian Air

mar. 7/12:00 amSIN - IAD

2 stops30h 05mEthiopian Air

Deal found 6/11

$1,490

mié. 6/186:30 amIAD - SIN

1 stop23h 55mUnited Airlines

vie. 7/48:45 amSIN - IAD

1 stop24h 36mUnited Airlines

Deal found 6/10

$1,883

mié. 6/189:40 pmIAD - SIN

1 stop23h 05mTurkish Airlines

mié. 7/211:10 pmSIN - IAD

1 stop24h 35mTurkish Airlines

Deal found 6/12

$5,198

mié. 6/189:00 amIAD - SIN

2 stops39h 00mEVA Air

dom. 6/291:10 pmSIN - IAD

2 stops29h 40mEVA Air

Deal found 6/12

$6,596

mié. 6/1810:55 amIAD - SIN

1 stop22h 50mEmirates

mar. 7/112:50 amSIN - IAD

1 stop43h 50mEmirates

Deal found 6/12

$7,168

vie. 6/2012:50 pmIAD - SIN

1 stop30h 25mAir India

vie. 6/278:45 amSIN - IAD

2 stops38h 30mAir India

Deal found 6/10

$1,695

vie. 6/205:25 pmIAD - SIN

1 stop34h 05mKLM

jue. 6/2612:40 amSIN - IAD

1 stop26h 55mKLM

Deal found 6/10

$1,802

vie. 6/2010:05 pmIAD - SIN

1 stop23h 35mEtihad Airways

vie. 6/279:10 pmSIN - IAD

1 stop31h 00mEtihad Airways

Deal found 6/10

$1,807

vie. 6/208:19 pmIAD - SIN

2 stops27h 41mMultiple Airlines

vie. 6/273:10 pmSIN - IAD

2 stops28h 09mMultiple Airlines

Deal found 6/10

$2,012

sáb. 6/215:12 pmIAD - SIN

2 stops49h 53mAir Canada

mié. 7/26:15 amSIN - IAD

2 stops26h 46mAir Canada

Deal found 6/12

$1,707

One-way flights from Dulles Intl to Singapore
Search for one-way flight options from Dulles Intl to Singapore. Find affordable one-way fares based on user searches. Data last updated junio 12, 2025.

mar. 9/21:30 pmIAD - SIN

2 stops39h 50mIndiGo

Deal found 6/11

$420

mié. 8/2712:50 pmIAD - SIN

1 stop30h 25mAir India

Deal found 6/10

$423

jue. 8/141:30 pmIAD - SIN

1 stop40h 25mTurkish Airlines

Deal found 6/9

$445

lun. 8/49:40 pmIAD - SIN

3 stops59h 05mMultiple Airlines

Deal found 6/10

$482

lun. 8/411:00 amIAD - SIN

1 stop22h 00mQatar Airways

Deal found 6/10

$533

mar. 10/712:35 pmIAD - SIN

2 stops30h 30mAir Canada

Deal found 6/11

$663

vie. 7/2511:00 amIAD - SIN

1 stop22h 00mJetBlue

Deal found 6/10

$704

lun. 7/79:40 amIAD - SIN

2 stops26h 00mDelta

Deal found 6/9

$705

vie. 7/1111:00 amIAD - SIN

1 stop40h 45mAmerican Airlines

Deal found 6/9

$764

mar. 7/1510:08 pmIAD - SIN

1 stop32h 17mUnited Airlines

Deal found 6/11

$768

jue. 6/196:13 pmIAD - SIN

2 stops29h 47mEVA Air

Deal found 6/10

$953

vie. 6/2010:55 amIAD - SIN

1 stop39h 55mEthiopian Air

Deal found 6/10

$976

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

mié. 7/16

5:12 pm-7:05 am

2 stops49h 53m

Singapore Changi

mar. 7/22

9:10 am-9:37 am

2 stops36h 27m

$1,086

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

mié. 7/9

1:30 pm-8:45 am

1 stop31h 15m

Singapore Changi

mar. 10/7

5:10 am-7:45 pm

1 stop26h 35m

$1,095

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

lun. 9/8

6:00 am-11:40 pm

2 stops29h 40m

Singapore Changi

mié. 9/17

1:10 am-9:13 pm

2 stops32h 03m

$1,096

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

jue. 11/13

8:05 pm-2:55 pm

1 stop29h 50m

Singapore Changi

mar. 11/18

5:25 pm-8:20 am

2 stops27h 55m

$1,102

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

mié. 7/16

1:30 pm-5:55 pm

1 stop40h 25m

Singapore Changi

mar. 7/22

7:45 pm-7:45 pm

2 stops36h 00m

$1,103

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

dom. 7/20

12:50 pm-7:15 am

1 stop30h 25m

Singapore Changi

lun. 8/4

8:45 am-11:15 am

1 stop38h 30m

$1,116

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

jue. 7/10

9:40 pm-5:45 pm

2 stops32h 05m

Singapore Changi

jue. 7/17

7:45 pm-7:45 pm

2 stops36h 00m

$1,135

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

jue. 7/31

6:32 am-6:25 pm

1 stop23h 53m

Singapore Changi

lun. 9/15

8:45 am-9:17 pm

1 stop24h 32m

$1,225

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

jue. 11/20

10:00 am-2:50 pm

1 stop39h 50m

Singapore Changi

dom. 11/30

2:00 am-7:05 pm

2 stops30h 05m

$1,240

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

jue. 9/18

6:00 pm-11:45 am

2 stops29h 45m

Singapore Changi

dom. 9/28

1:50 am-10:57 am

2 stops45h 07m

$1,253

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 29 results

Best time to book a flight from Dulles Intl to Singapore

Have a flexible travel schedule? Discover the best time to fly to Singapore from Dulles Intl 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 Washington, D.C. Dulles Intl Airport to Singapore

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

Currently, September is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Singapore (average of $1,011). Flying from Washington, D.C. Dulles Intl Airport 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 IAD to SG?

When flying from Washington, D.C. Dulles Intl Airport 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

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

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

Peruse reviews from past customers who have flown with EVA Air, Korean Air and ANA from Washington, D.C. to Singapore to help guide your decision. 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.

EVA Air

8.4

Very good

1,202 reviews

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

EVA Air

8.4

Very good

1,202 reviews

EVA Air

8.4

Very good

1,202 reviews

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Korean Air

8.4

Very good

1,088 reviews

EVA Air

8.4

Very good

1,202 reviews

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

ANA

8.3

Very good

882 reviews

EVA Air

8.4

Very good

1,202 reviews

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Singapore Airlines

8.1

Very good

1,302 reviews

EVA Air

8.4

Very good

1,202 reviews

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Delta

8.0

Very good

7,946 reviews

EVA Air

8.4

Very good

1,202 reviews

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Related info for your journey

What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Singapore one-way?
For one-way options, check prices for IndiGo. According to our data, you can fly for as low as $420. Users have also found prices from $423 and $445 on Air India and Turkish Airlines, respectively.
Can I find deals for flights from Dulles Intl to Singapore that include hotel bookings?
Yes. In addition to deals on Dulles Intl to Singapore flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Dulles Intl to Singapore?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Singapore.
Can I find deals for business class flights from Dulles Intl to Singapore?
Yes. Cheapflights offers flight deals from Dulles Intl 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. Dulles Intl Airport to Singapore?
Currently, September is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Singapore (average of $1,011). Flying from Washington, D.C. Dulles Intl Airport 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

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Dulles Intl to Singapore

Dulles Intl to Haneda flights

Dulles Intl to Narita flights

Dulles Intl to Suvarnabhumi flights

Reagan-National to Narita flights

Reagan-National to Haneda flights

Baltimore to Haneda flights

Baltimore to Narita flights

Dulles Intl to Incheon Intl flights

Dulles Intl to Hyderabad flights

Reagan-National to Suvarnabhumi flights

Baltimore to Suvarnabhumi flights

Reagan-National to Hyderabad flights

Baltimore to Hyderabad flights

Dulles Intl to Ho Chi Minh City flights

Dulles Intl to Taiwan Taoyuan Intl flights

Dulles Intl to Manila flights

Dulles Intl to Mumbai flights

Reagan-National to New Delhi flights

Dulles Intl to New Delhi flights

Baltimore to New Delhi flights

Dulles Intl to Bangalore flights

Reagan-National to Manila flights

Baltimore to Taiwan Taoyuan Intl flights

Dulles Intl to Hongqiao Intl flights

Reagan-National to Taiwan Taoyuan Intl flights

Baltimore to Incheon Intl flights

Reagan-National to Incheon Intl flights

Dulles Intl to Denpasar flights

Baltimore to Manila flights

Reagan-National to Bangalore flights

Reagan-National to Ho Chi Minh City flights

Dulles Intl to Gimpo Intl flights

Baltimore to Bangalore flights

Reagan-National to Denpasar flights

Baltimore to Denpasar flights

Dulles Intl to Sung Shan flights

Dulles Intl to Ahmedabad flights

Baltimore to Ho Chi Minh City flights

Baltimore to Mumbai flights

Dulles Intl to Chennai flights

Dulles Intl to Kathmandu flights

Reagan-National to Mumbai flights

Dulles Intl to Lahore flights

Dulles Intl to Capital flights

Dulles Intl to Hong Kong flights

Reagan-National to Kathmandu flights

Reagan-National to Hongqiao Intl flights

Dulles Intl to Islamabad flights

Baltimore to Kathmandu flights

Dulles Intl to Pu Dong flights

Top 10 airlines flying from Dulles Intl to Singapore

Airline	Cheapest	Average	Flexibility	On-time
Air India	Cheapest$807	Average$996	FlexibilityNo cancel fee	On-timeN/A
Turkish Airlines	Cheapest$825	Average$972	FlexibilityNo cancel fee	On-time77%
Etihad Airways	Cheapest$884	Average$1,304	FlexibilityNo cancel fee	On-time75%
United Airlines	Cheapest$935	Average$1,426	FlexibilityNo cancel fee	On-time69%
Air Canada	Cheapest$938	Average$1,585	FlexibilityNo cancel fee	On-time67%
Qatar Airways	Cheapest$1,006	Average$1,280	FlexibilityNo cancel fee	On-time68%
JetBlue	Cheapest$1,024	Average$1,139	FlexibilityNo cancel fee	On-time62%
Korean Air	Cheapest$1,037	Average$1,276	FlexibilityNo cancel fee	On-time81%
Singapore Airlines	Cheapest$1,097	Average$1,757	FlexibilityNo cancel fee	On-time81%
American Airlines	Cheapest$1,160	Average$1,413	FlexibilityNo cancel fee	On-time71%

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$420+ Cheap flights from Dulles Intl (IAD) 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 9/2. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Dulles Intl to Singapore with Cheapflights

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Cheap flight deals from Dulles Intl to Singapore

Keep the following information in mind while searching for Dulles Intl to Singapore flight deals. Data was last updated junio 12, 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Dulles Intl to Singapore

Cheapest flights from Dulles Intl to SingaporeExplore the most affordable flight options available from Dulles Intl to Singapore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on junio 12, 2025.

Explore the most affordable flight options available from Dulles Intl to Singapore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on junio 12, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Dulles Intl to Singapore

Have a flexible travel schedule? Discover the best time to fly to Singapore from Dulles Intl with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to Singapore

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

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

Find hourly flight availability from Dulles Intl 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 junio 12, 2025.

Rainfall in Singapore by month

Plan your trip to Singapore by taking into account the average rainfall totals by month.

Temperature in Singapore by month

Plan your trip to Singapore by taking into account the average temperature totals by month.

Reviews of airlines servicing Singapore

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl 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 Washington, D.C. Dulles Intl Airport to Singapore one-way?

Can I find deals for flights from Dulles Intl to Singapore that include hotel bookings?

How can I find direct flights from Dulles Intl to Singapore?

Can I find deals for business class flights from Dulles Intl to Singapore?

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

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Alternative routes for Dulles Intl to Singapore

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Top 10 airlines flying from Dulles Intl to Singapore

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Cheapest flights from Dulles Intl to Singapore
Explore the most affordable flight options available from Dulles Intl to Singapore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on junio 12, 2025.