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Cheap flights from Singapore to Washington, D.C. Dulles Intl Airport from S$ 701

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 22-12. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — IAD
11 Jan — 18 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Singapore to Dulles Intl

Enter your travel dates to find the best prices.

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 12 December 2025.

Fri 19-1210:10SIN - IAD
2 stops25h 56mUnited Airlines
Fri 16-122:20IAD - SIN
1 stop44h 40mUnited Airlines
Deal found 11-12S$ 1,625
Sun 14-1222:20SIN - IAD
2 stops35h 22mUnited Airlines
Tue 16-1208:20IAD - SIN
2 stops33h 35mUnited Airlines
Deal found 11-12S$ 1,675
Thu 25-1210:10SIN - IAD
2 stops25h 56mUnited Airlines
Sun 28-1218:37IAD - SIN
1 stop36h 38mUnited Airlines
Deal found 11-12S$ 1,761
Fri 19-1210:10SIN - IAD
2 stops25h 56mUnited Airlines
Tue 30-1222:05IAD - SIN
1 stop33h 10mUnited Airlines
Deal found 11-12S$ 1,765
Sat 13-1222:20SIN - IAD
2 stops35h 23mUnited Airlines
Tue 16-1208:20IAD - SIN
2 stops33h 35mUnited Airlines
Deal found 11-12S$ 1,775
Fri 19-1210:15SIN - IAD
1 stop42h 40mMultiple Airlines
Fri 16-114:35IAD - SIN
1 stop30h 00mMultiple Airlines
Deal found 11-12S$ 1,814
Fri 19-1219:40SIN - IAD
2 stops36h 40mMultiple Airlines
Tue 30-1214:35IAD - SIN
3 stops29h 55mMultiple Airlines
Deal found 11-12S$ 1,916
Sat 20-1222:20SIN - IAD
2 stops26h 27mUnited Airlines
Mon 5-112:35IAD - SIN
1 stop30h 25mUnited Airlines
Deal found 11-12S$ 1,920
Thu 25-1217:55SIN - IAD
1 stop37h 35mMultiple Airlines
Sun 28-1214:35IAD - SIN
3 stops29h 55mMultiple Airlines
Deal found 11-12S$ 1,921
Wed 17-1210:10SIN - IAD
2 stops26h 11mUnited Airlines
Fri 2-118:01IAD - SIN
1 stop37h 14mUnited Airlines
Deal found 11-12S$ 1,975

Find flight deals from Singapore to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Singapore (SIN) to Dulles Intl (IAD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 12 December 2025.

Round-trip from

S$ 1,198

One-way from

S$ 701

Popular in

November

Cheapest in

March

Average price

S$ 1,662
Etihad Airways
  • Etihad Airways
  • 24-1-31-1
  • 2 total stops
  • 56h 40m total
  • Singapore to Washington, D.C.
Search Deals
Air China
  • Air China
  • 22-12
  • 1 total stop
  • 37h 35m total
  • Singapore to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 25% potential increase in price (S$ 864 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 14% potential price decrease (S$ 315 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Singapore to Dulles Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 200,618 searches. Data last updated 12 December 2025.
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

Singapore

Fly to

Dulles Intl

Route

Depart

Return

Price

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Fri 23-1

19:25-09:05

1 stop26h 40m

Washington, D.C. Dulles Intl

Thu 5-2

14:35-09:35

1 stop30h 00m

S$ 1,214

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Thu 14-5

21:10-09:45

1 stop24h 35m

Washington, D.C. Dulles Intl

Sat 8-8

15:35-09:15

1 stop29h 40m

S$ 1,244

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sun 1-3

19:25-09:05

1 stop26h 40m

Washington, D.C. Dulles Intl

Thu 30-4

15:35-09:15

1 stop29h 40m

S$ 1,245

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Thu 12-2

19:25-09:05

1 stop26h 40m

Washington, D.C. Dulles Intl

Sun 15-2

14:35-09:35

1 stop30h 00m

S$ 1,269

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Fri 23-1

19:25-09:05

1 stop26h 40m

Washington, D.C. Dulles Intl

Mon 26-1

14:35-09:35

1 stop30h 00m

S$ 1,277

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Thu 12-3

19:25-10:05

1 stop26h 40m

Washington, D.C. Dulles Intl

Sat 21-3

15:35-09:35

1 stop30h 00m

S$ 1,310

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Fri 13-3

19:25-10:05

1 stop26h 40m

Washington, D.C. Dulles Intl

Fri 20-3

15:35-09:35

1 stop30h 00m

S$ 1,348

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Mon 22-12

17:55-18:30

1 stop37h 35m

S$ 701

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Fri 26-12

19:25-09:05

1 stop26h 40m

S$ 745

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Tue 10-2

19:25-09:05

1 stop26h 40m

S$ 746

Flights are sorted by cheapest return flights first.

Deals found on 11-12

Showing 1-10 of 17 results
1
2

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 return 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

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

Currently, March is the cheapest month in which you can book a flight from Singapore to Washington, D.C. Dulles Intl Airport (average of S$ 1,059). Flying from Singapore to Washington, D.C. Dulles Intl Airport in November is currently the most expensive (average of S$ 2,859). 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.

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Dulles Intl. Reviews last updated 12 December 2025.
Get a feel of what it's like to fly with Korean Air, Qatar Airways, andUnited Airlines from Singapore to Washington, D.C. Dulles Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very Good
1,184 reviews
Check prices

Crew

8.7

Food

8.1

Comfort

8.3

Entertainment

8.2

Boarding

8.5

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Korean Air
8.4
Very Good
1,184 reviews
Korean Air
8.4
Very Good
1,184 reviews
Check prices

Crew

8.7

Food

8.1

Comfort

8.3

Entertainment

8.2

Boarding

8.5

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Qatar Airways
7.4
Good
3,679 reviews
Korean Air
8.4
Very Good
1,184 reviews
Check prices

Crew

8.7

Food

8.1

Comfort

8.3

Entertainment

8.2

Boarding

8.5

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
United Airlines
7.4
Good
9,096 reviews
Korean Air
8.4
Very Good
1,184 reviews
Check prices

Crew

8.7

Food

8.1

Comfort

8.3

Entertainment

8.2

Boarding

8.5

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Turkish Airlines
7.3
Good
4,090 reviews
Korean Air
8.4
Very Good
1,184 reviews
Check prices

Crew

8.7

Food

8.1

Comfort

8.3

Entertainment

8.2

Boarding

8.5

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Air India
5.5
Fair
2,947 reviews
Korean Air
8.4
Very Good
1,184 reviews
Check prices

Crew

8.7

Food

8.1

Comfort

8.3

Entertainment

8.2

Boarding

8.5

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!

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?

    Located just 16.9 km from the city centre, Singapore Changi is the airport most travellers will use when flying to Washington, D.C. Dulles Intl from Singapore. Booking flights from Changi (SIN) to Washington, D.C. Dulles Intl should be relatively easy as there are 0 daily outbound flights to Washington, D.C. Dulles Intl from 5 different airlines.

  • How long is the flight from Singapore to Washington, D.C. Dulles Intl Airport?

    For as low as S$ 1,214, Etihad Airways can have you in Washington, D.C. Dulles Intl Airport from Singapore in 26h 40m. The distance between Singapore and Washington, D.C. Dulles Intl Airport is about 15521 km.

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

    Our cheapest airline available from Singapore to Washington, D.C. Dulles Intl Airport is Turkish Airlines. Our recent data shows that you can find tickets from as low as S$ 1,248 on this airline. Additional options worth looking into are Korean Air and Air India, starting at S$ 1,277 and S$ 1,333 round-trip. Users have found that Turkish Airlines is 34% cheaper than the other options available to this destination.

  • 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 holiday 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, March is the cheapest month in which you can book a flight from Singapore to Washington, D.C. Dulles Intl Airport (average of S$ 1,059). Flying from Singapore to Washington, D.C. Dulles Intl Airport in November is currently the most expensive (average of S$ 2,859). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Fly from Singapore to Dulles Intl on these airlines

Choose from the following airlines for your flight from Singapore to Dulles Intl. Flights are based on user searches made on Cheapflights and were last updated on 12 December 2025.
United Airlines flights from Singapore Changi to Washington, D.C. Dulles Intl
Qatar Airways flights from Singapore Changi to Washington, D.C. Dulles Intl

Top 5 airlines flying from Singapore to Dulles Intl

Discover the top 5 airlines that operate flights from Singapore to Dulles Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 200,618 searches. Data last updated 12 December 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapestS$ 1,248AverageS$ 1,488FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
Korean AirCheapestS$ 1,277AverageS$ 1,968FlexibilityNo cancel feeOn-time81%
Search Korean Air flights
Air IndiaCheapestS$ 1,333AverageS$ 1,378FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
United AirlinesCheapestS$ 1,430AverageS$ 1,604FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Qatar AirwaysCheapestS$ 1,792AverageS$ 1,915FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Singapore to Dulles Intl?

Deals for Singapore to Dulles Intl flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Singapore to Dulles Intl?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Singapore to Dulles Intl for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Singapore to Dulles Intl with no change fees?

Yes! Cheapflights helps users easily find flights from Singapore to Dulles Intl with no change fees.

Can Cheapflights notify me if prices for flights from Singapore to Dulles Intl become cheaper?

Yes! Start tracking prices for Singapore to Dulles Intl flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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