What are the cheapest airlines flying from Singapore to Washington, D.C. Dulles Intl Airport round-trip?

According to our current data, United Airlines ($885), ANA ($952), and Air Canada ($986) offers the cheapest pricing from Singapore to Washington, D.C. Dulles Intl Airport. United Airlines is 33% cheaper than the average price of flights available within the next 90 days to this destination.

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

Travelers seeking maximum savings on their Singapore to Washington, D.C. Dulles Intl Airport flight should consider departing on Friday evenings when fares are most often at their lowest. Monday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

What is the cheapest day to fly round-trip from Singapore to Washington, D.C. Dulles Intl Airport?

Flying to your destination on a Sunday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Washington, D.C. Dulles Intl Airport. Check prices with Cheapflights to find a great deal for your trip.

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

Our data shows that September tends to be the cheapest month to fly to Washington, D.C. Dulles Intl Airport from Singapore. Users have commonly found prices around $1,264 for the month, but tickets can be as low as $604. Due to multiple factors, prepare for potentially higher prices in August.

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

It’s typically best to fly out from Singapore to Washington, D.C. Dulles Intl Airport in the morning. Doing so could potentially save you 19% on the flight price compared to flying at noon, which is usually more expensive.

What airport do you fly from for flights from Singapore to Washington, D.C. Dulles Intl?

If you book a flight to Washington, D.C. Dulles Intl from Singapore, you will be flying from Changi, which is the city’s only airport. Singapore Changi (SIN) is located 10.5 mi from the center of Singapore. There are 0 flights from Changi to Washington, D.C. Dulles Intl per day from 1 airline.

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

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

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

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

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

Yes. Cheapflights offers flight deals from Singapore to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$548+ Flights from Singapore to Washington, D.C. Dulles Intl Airport

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Find cheap flights from Singapore to Dulles Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Singapore Changi to Washington, D.C. Dulles Intl are usually found in March or April, booked 78 days in advance, depart on a Friday or Tuesday and return on a Friday

Cheap flight deals from Singapore to Dulles Intl

Round-trip from	$885 (United Airlines)
One-way from	$548 (Kiwi.com)
Popular in	May
Cheapest in	March
Average price	$1,275

From Singapore Changi to Washington, D.C. Dulles Intl

Search Deals

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

Search Deals

Highest demand for flights based on searches. 1% potential increase in price ($13 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease ($25 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in June 2025

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Find flight deals from Singapore to Dulles Intl

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

Thu 6/268:45 amSIN - IAD

2 stops27h 45mUnited Airlines

Thu 7/312:20 pmIAD - SIN

1 stop30h 20mUnited Airlines

Deal found 6/12

$885

Mon 7/1410:10 pmSIN - IAD

1 stop23h 55mANA

Mon 7/213:39 pmIAD - SIN

2 stops27h 01mANA

Deal found 6/12

$952

Sun 10/511:55 pmSIN - IAD

2 stops33h 10mAir Canada

Sun 10/195:22 pmIAD - SIN

2 stops49h 18mAir Canada

Deal found 6/12

$986

Sun 10/510:15 amSIN - IAD

1 stop37h 30mTurkish Airlines

Sat 10/189:40 pmIAD - SIN

1 stop32h 15mTurkish Airlines

Deal found 6/12

$1,033

Fri 6/208:45 amSIN - IAD

2 stops38h 30mAir India

Wed 8/2712:50 pmIAD - SIN

1 stop30h 25mAir India

Deal found 6/11

$1,041

Fri 6/203:10 pmSIN - IAD

2 stops28h 17mMultiple Airlines

Wed 9/36:09 pmIAD - SIN

2 stops29h 51mMultiple Airlines

Deal found 6/11

$1,094

Sat 10/41:55 amSIN - IAD

2 stops32h 53mAmerican Airlines

Sat 10/186:45 amIAD - SIN

2 stops35h 25mAmerican Airlines

Deal found 6/11

$1,154

Sat 7/267:45 pmSIN - IAD

2 stops36h 00mIndiGo

Sat 8/21:30 pmIAD - SIN

2 stops40h 15mIndiGo

Deal found 6/11

$1,216

Sun 10/511:20 pmSIN - IAD

1 stop28h 55mSWISS

Sun 10/195:40 pmIAD - SIN

2 stops59h 25mSWISS

Deal found 6/12

$1,286

Fri 6/2011:40 pmSIN - IAD

1 stop27h 35mLufthansa

Wed 9/310:20 pmIAD - SIN

1 stop30h 20mLufthansa

Deal found 6/10

$1,344

Sat 10/43:10 amSIN - IAD

1 stop24h 30mQatar Airways

Sat 10/189:00 pmIAD - SIN

1 stop30h 45mQatar Airways

Deal found 6/11

$1,358

Thu 7/243:30 amSIN - IAD

2 stops28h 00mAir China

Fri 8/111:00 pmIAD - SIN

1 stop43h 50mAir China

Deal found 6/10

$1,373

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

Thu 6/268:45 amSIN - IAD

2 stops27h 45mUnited Airlines

Thu 7/312:20 pmIAD - SIN

1 stop30h 20mUnited Airlines

Deal found 6/12

$885

Mon 7/1410:10 pmSIN - IAD

1 stop23h 55mANA

Mon 7/213:39 pmIAD - SIN

2 stops27h 01mANA

Deal found 6/12

$952

Sun 10/511:55 pmSIN - IAD

2 stops33h 10mAir Canada

Sun 10/195:22 pmIAD - SIN

2 stops49h 18mAir Canada

Deal found 6/12

$986

Sun 10/510:15 amSIN - IAD

1 stop37h 30mTurkish Airlines

Sat 10/189:40 pmIAD - SIN

1 stop32h 15mTurkish Airlines

Deal found 6/12

$1,033

Sun 10/59:10 amSIN - IAD

2 stops36h 28mMultiple Airlines

Sat 10/1811:00 amIAD - SIN

1 stop22h 45mMultiple Airlines

Deal found 6/12

$1,117

Sat 10/41:55 amSIN - IAD

2 stops32h 53mAmerican Airlines

Sat 10/186:45 amIAD - SIN

2 stops35h 25mAmerican Airlines

Deal found 6/11

$1,154

Wed 7/3011:00 pmSIN - IAD

2 stops48h 15mAir India

Fri 8/812:50 pmIAD - SIN

1 stop44h 55mAir India

Deal found 6/10

$1,171

Sat 7/267:45 pmSIN - IAD

2 stops36h 00mIndiGo

Sat 8/21:30 pmIAD - SIN

2 stops40h 15mIndiGo

Deal found 6/11

$1,216

Sun 10/511:20 pmSIN - IAD

1 stop28h 55mSWISS

Sun 10/195:40 pmIAD - SIN

2 stops59h 25mSWISS

Deal found 6/12

$1,286

Sat 10/43:10 amSIN - IAD

1 stop24h 30mQatar Airways

Sat 10/189:00 pmIAD - SIN

1 stop30h 45mQatar Airways

Deal found 6/11

$1,358

Thu 7/243:30 amSIN - IAD

2 stops28h 00mAir China

Fri 8/111:00 pmIAD - SIN

1 stop43h 50mAir China

Deal found 6/10

$1,373

Sat 10/41:40 amSIN - IAD

1 stop43h 00mEmirates

Sun 10/1910:55 amIAD - SIN

1 stop39h 10mEmirates

Deal found 6/9

$1,399

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

Tue 6/1710:15 amSIN - IAD

1 stop45h 30mTurkish Airlines

Sat 7/51:30 pmIAD - SIN

1 stop40h 25mTurkish Airlines

Deal found 6/9

$1,236

Thu 6/191:10 amSIN - IAD

2 stops35h 22mDelta

Wed 8/276:15 pmIAD - SIN

2 stops41h 25mDelta

Deal found 6/11

$1,513

Thu 6/1912:50 amSIN - IAD

1 stop43h 50mEmirates

Wed 9/310:55 amIAD - SIN

1 stop22h 50mEmirates

Deal found 6/12

$1,574

Thu 6/192:00 amSIN - IAD

2 stops42h 55mEthiopian Air

Tue 9/95:45 pmIAD - SIN

3 stops33h 05mEthiopian Air

Deal found 6/10

$2,355

Fri 6/208:45 amSIN - IAD

2 stops38h 30mAir India

Wed 8/2712:50 pmIAD - SIN

1 stop30h 25mAir India

Deal found 6/11

$1,041

Fri 6/203:10 pmSIN - IAD

2 stops28h 17mMultiple Airlines

Wed 8/276:09 pmIAD - SIN

2 stops29h 51mMultiple Airlines

Deal found 6/11

$1,094

Fri 6/206:15 amSIN - IAD

2 stops26h 46mAir Canada

Tue 9/91:00 pmIAD - SIN

2 stops30h 05mAir Canada

Deal found 6/12

$1,164

Fri 6/2011:40 pmSIN - IAD

1 stop27h 35mLufthansa

Wed 9/310:20 pmIAD - SIN

1 stop30h 20mLufthansa

Deal found 6/10

$1,344

Sun 6/223:10 amSIN - IAD

1 stop24h 30mQatar Airways

Mon 7/711:00 amIAD - SIN

1 stop22h 00mQatar Airways

Deal found 6/10

$1,404

Sun 6/221:50 amSIN - IAD

2 stops41h 00mCathay Pacific

Mon 7/76:44 pmIAD - SIN

2 stops29h 01mCathay Pacific

Deal found 6/10

$1,741

Wed 6/251:55 amSIN - IAD

2 stops32h 44mAmerican Airlines

Sun 6/296:27 amIAD - SIN

2 stops35h 43mAmerican Airlines

Deal found 6/11

$1,155

Thu 6/268:45 amSIN - IAD

2 stops27h 45mUnited Airlines

Thu 7/312:20 pmIAD - SIN

1 stop30h 20mUnited Airlines

Deal found 6/12

$885

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

Mon 6/307:45 pmSIN - IAD

2 stops52h 00mIndiGo

Deal found 6/10

$548

Mon 7/218:30 pmSIN - IAD

2 stops51h 15mMultiple Airlines

Deal found 6/10

$585

Tue 7/299:10 amSIN - IAD

2 stops36h 27mAir Canada

Deal found 6/12

$594

Mon 6/309:15 amSIN - IAD

3 stops38h 00mAir India

Deal found 6/10

$605

Fri 9/129:00 amSIN - IAD

1 stop22h 30mAir China

Deal found 6/12

$652

Mon 12/82:00 amSIN - IAD

2 stops40h 55mChina Airlines

Deal found 6/9

$671

Fri 9/123:10 pmSIN - IAD

2 stops28h 22mEVA Air

Deal found 6/12

$684

Tue 7/110:15 amSIN - IAD

1 stop37h 30mTurkish Airlines

Deal found 6/10

$711

Wed 7/911:55 pmSIN - IAD

1 stop26h 30mSWISS

Deal found 6/10

$848

Sun 6/2910:30 amSIN - IAD

1 stop41h 10mQatar Airways

Deal found 6/10

$878

Thu 7/249:10 pmSIN - IAD

1 stop31h 00mEtihad Airways

Deal found 6/9

$917

Sat 7/191:50 amSIN - IAD

2 stops65h 00mCathay Pacific

Deal found 6/10

$949

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Thu 6/26

8:45 am-12:30 am

2 stops27h 45m

Washington, D.C. Dulles Intl

Thu 7/3

12:20 pm-6:40 am

1 stop30h 20m

$885

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Mon 7/14

10:10 pm-10:05 am

1 stop23h 55m

Washington, D.C. Dulles Intl

Mon 7/21

3:39 pm-6:40 am

2 stops27h 01m

$952

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sun 10/5

11:55 pm-9:05 pm

2 stops33h 10m

Washington, D.C. Dulles Intl

Sun 10/19

5:22 pm-6:40 am

2 stops49h 18m

$986

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sun 10/5

10:15 am-11:45 am

1 stop37h 30m

Washington, D.C. Dulles Intl

Sat 10/18

9:40 pm-5:55 pm

1 stop32h 15m

$1,033

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sun 10/5

9:10 am-9:38 am

2 stops36h 28m

Washington, D.C. Dulles Intl

Sat 10/18

11:00 am-9:45 pm

1 stop22h 45m

$1,117

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sat 10/4

1:55 am-10:48 pm

2 stops32h 53m

Washington, D.C. Dulles Intl

Sat 10/18

6:45 am-6:10 am

2 stops35h 25m

$1,154

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Wed 7/30

11:00 pm-11:15 am

2 stops48h 15m

Washington, D.C. Dulles Intl

Fri 8/8

12:50 pm-9:45 pm

1 stop44h 55m

$1,171

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sat 7/26

7:45 pm-7:45 pm

2 stops36h 00m

Washington, D.C. Dulles Intl

Sat 8/2

1:30 pm-5:45 pm

2 stops40h 15m

$1,216

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sun 10/5

11:20 pm-4:15 pm

1 stop28h 55m

Washington, D.C. Dulles Intl

Sun 10/19

5:40 pm-5:05 pm

2 stops59h 25m

$1,286

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sat 10/4

3:10 am-3:40 pm

1 stop24h 30m

Washington, D.C. Dulles Intl

Sat 10/18

9:00 pm-3:45 pm

1 stop30h 45m

$1,358

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 36 results

Best time to book a flight from Singapore to Dulles Intl

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

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

To ensure you get the cheapest price possible for a flight from Singapore to Washington, D.C. Dulles Intl Airport, you should look to book at least 78 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.

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

Currently, August is the cheapest month in which you can book a flight from Singapore to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Singapore to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $349). 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.

Rainfall in Dulles Intl by month

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

Temperature in Dulles Intl by month

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing Dulles Intl

Read reviews from past customers who have flown EVA Air, Korean Air and China Airlines from Singapore to Washington, D.C.. 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

China Airlines

8.3

Very good

738 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

Emirates

8.1

Very good

3,264 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 airport do you fly from for flights from Singapore to Washington, D.C. Dulles Intl?
If you book a flight to Washington, D.C. Dulles Intl from Singapore, you will be flying from Changi, which is the city’s only airport. Singapore Changi (SIN) is located 10.5 mi from the center of Singapore. There are 0 flights from Changi to Washington, D.C. Dulles Intl per day from 1 airline.
What are the cheapest airlines flying from Singapore to Washington, D.C. Dulles Intl Airport round-trip?
According to our current data, United Airlines ($885), ANA ($952), and Air Canada ($986) offers the cheapest pricing from Singapore to Washington, D.C. Dulles Intl Airport. United Airlines is 33% cheaper than the average price of flights available within the next 90 days to this destination.
What are the cheapest airlines to fly from Singapore to Washington, D.C. Dulles Intl Airport one-way?
The cheapest airlines for a one-way flight from Singapore to Washington, D.C. Dulles Intl Airport are IndiGo ($548), Air Canada ($594), and Air India ($605).
Can I find deals for flights from Singapore to Dulles Intl that include hotel bookings?
Yes. In addition to deals on Singapore to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Singapore to Dulles Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Singapore to Dulles Intl.
Can I find deals for business class flights from Singapore to Dulles Intl?
Yes. Cheapflights offers flight deals from Singapore to Dulles Intl 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 Singapore to Washington, D.C. Dulles Intl Airport?
Currently, August is the cheapest month in which you can book a flight from Singapore to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Singapore to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $349). 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

Arlington

Alexandria

Woodbridge

Tysons

Silver Spring

Linthicum Heights

Fredericksburg

Gaithersburg

Fairfax

Falls Church

Easton

Herndon

Towson

Sterling

Bowie

Rockville

Reston

National Harbor

Springfield

Manassas

Browse thousands of different options on Cheapflights for your next trip

Top airline flying from Singapore to Dulles Intl

Airline	Cheapest	Average	Flexibility	On-time
Qatar Airways	Cheapest$1,333	Average$1,372	FlexibilityNo cancel fee	On-time68%

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$548+ Cheap flights from Singapore (SIN) to Dulles Intl (IAD)

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 6/30. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Singapore to Dulles Intl with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Singapore Changi to Washington, D.C. Dulles Intl are usually found in March or April, booked 78 days in advance, depart on a Friday or Tuesday and return on a Friday

Cheap flight deals from Singapore to Dulles Intl

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Singapore to Dulles Intl

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

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

Cheapflights Fare Finder

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

Best time to book a flight from Singapore to Dulles Intl

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

Cheapflights Insights

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

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

Use this chart to determine the optimal time to book a round-trip flight from Singapore to Dulles Intl. Price data was last updated on June 9, 2025.

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

Rainfall in Dulles Intl by month

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

Temperature in Dulles Intl by month

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

Reviews of airlines servicing Dulles Intl

Read reviews from past customers who have flown EVA Air, Korean Air and China Airlines from Singapore to Washington, D.C.. 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

Find useful and relevant information for your journey from Singapore to Dulles Intl. 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 from for flights from Singapore to Washington, D.C. Dulles Intl?

What are the cheapest airlines flying from Singapore to Washington, D.C. Dulles Intl Airport round-trip?

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

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

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

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

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

Traveling to a place near Singapore?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Singapore to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Singapore to Dulles Intl

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