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S$ 585+ Cheap flights to Dulles Intl

— IAD
24 Oct — 31 Oct1
1 adult
1 adult, Economy, 0 bags

Flights to Dulles Intl in 2026

Enter your travel dates to find the best prices.

Cheapest flights to Dulles Intl Airport

Mon 2-1117:45 -
1 stop37h 45m
Tue 10-1122:00 -
1 stop29h 15m
Deal found 19-9S$ 1,019
Mon 7-1217:45 -
1 stop37h 45m
Fri 11-1222:00 -
1 stop29h 15m
Deal found 21-9S$ 1,168
Mon 9-1103:00 -
2 stops28h 30m
Tue 17-1122:00 -
1 stop43h 50m
Deal found 23-9S$ 1,261
Thu 5-1103:00 -
2 stops28h 30m
Fri 13-1122:00 -
1 stop29h 15m
Deal found 22-9S$ 1,267
Tue 3-1104:35 -
1 stop28h 50m
Wed 11-1113:30 -
1 stop30h 15m
Deal found 20-9S$ 1,272
Tue 10-1123:15 -
1 stop33h 10m
Tue 17-1121:20 -
1 stop22h 25m
Deal found 23-9S$ 1,287
Thu 5-1123:15 -
1 stop34h 10m
Thu 12-1113:30 -
1 stop39h 10m
Deal found 21-9S$ 1,327
Thu 29-1023:55 -
1 stop31h 35m
Mon 23-1114:35 -
1 stop30h 00m
Deal found 21-9S$ 1,328

Find flight deals to Dulles Intl Airport

Return from

S$ 1,019

One-way from

S$ 585

Popular in

July

Cheapest in

February

Average price

S$ 2,059
Air China
  • Air China
  • 2-11-10-11
  • 2 total stops
  • 67h 00m total
  • Singapore to Washington, D.C.
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Air China
  • Air China
  • 28-9-31-12
  • 1 total stop
  • 32h 05m total
  • Singapore to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (S$ 312 potential increase over avg. return price).
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Cheapest flight prices on average. 6% potential price decrease (S$ 117 potential savings vs. average return price).
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Average for return flights in September 2026
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Cheapflights Fare Finder

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

Fly from

Route

Depart

Return

Price

Cheapest return flight

SingaporeWashington, D.C.

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

SINIAD

Singapore Changi

Mon 26-10

17:45-19:30

1 stop37h 45m

Washington, D.C. Dulles Intl

Wed 31-12

00:00-12:30

Nonstop0h 00m

S$ 703

SingaporeWashington, D.C.

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

SINIAD

Singapore Changi

Tue 27-10

16:30-23:43

3 stops43h 13m

Washington, D.C. Dulles Intl

Wed 31-12

00:00-12:30

Nonstop0h 00m

S$ 759

SingaporeWashington, D.C.

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

SINIAD

Singapore Changi

Thu 1-10

08:05-23:59

2 stops27h 54m

Washington, D.C. Dulles Intl

Wed 31-12

00:00-12:30

Nonstop0h 00m

S$ 915

SingaporeWashington, D.C.

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

SINIAD

Singapore Changi

Mon 2-11

14:25-05:44

2 stops28h 19m

Washington, D.C. Dulles Intl

Wed 31-12

00:00-12:30

Nonstop0h 00m

S$ 927

SingaporeWashington, D.C.

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

SINIAD

Singapore Changi

Wed 2-12

14:25-11:49

2 stops58h 24m

Washington, D.C. Dulles Intl

Wed 31-12

00:00-12:30

Nonstop0h 00m

S$ 983

SingaporeWashington, D.C.

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

SINIAD

Singapore Changi

Tue 29-9

02:00-11:45

2 stops45h 45m

Washington, D.C. Dulles Intl

Wed 31-12

00:00-12:30

Nonstop0h 00m

S$ 987
Fastest return journey

SingaporeWashington, D.C.

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

SINIAD

Singapore Changi

Mon 7-12

14:45-05:35

2 stops27h 50m

Washington, D.C. Dulles Intl

Wed 31-12

00:00-12:30

Nonstop0h 00m

S$ 1,017

SingaporeWashington, D.C.

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

SINIAD

Singapore Changi

Sat 24-10

11:10-20:25

1 stop45h 15m

Washington, D.C. Dulles Intl

Wed 31-12

00:00-12:30

Nonstop0h 00m

S$ 1,121

SingaporeWashington, D.C.

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

SINIAD

Singapore Changi

Sun 27-9

19:40-16:05

1 stop32h 25m

Washington, D.C. Dulles Intl

Wed 31-12

00:00-12:30

Nonstop0h 00m

S$ 1,233

SingaporeWashington, D.C.

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

SINIAD

Singapore Changi

Tue 10-11

23:15-19:25

1 stop33h 10m

Washington, D.C. Dulles Intl

Tue 17-11

21:20-08:45

1 stop22h 25m

S$ 1,287

Flights are sorted by cheapest return flights first.

Deals found on 22-9

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

Best time to book a flight to Dulles Intl

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

Cheapflights Insights

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

What are the cheapest airlines that fly to Dulles Intl?

The cheapest airline flying from Singapore to Dulles Intl is ANA.

Reviews of airlines servicing Dulles Intl

Read reviews from past customers who have flown ANA to the United States. 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.
ANA
8.3
Very Good
1,321 reviews
Check prices

Crew

8.7

Comfort

8.2

Overall

8.3

Food

7.8

Boarding

8.5

Entertainment

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jun 2026

NRT - SFO

The boarding was way behind the est schedule. However it moved pretty fast after it started. It’d be more professional if they informed the passengers of any delay and progress.
ANA
8.3
Very Good
1,321 reviews
ANA
8.3
Very Good
1,321 reviews
Check prices

Crew

8.7

Comfort

8.2

Overall

8.3

Food

7.8

Boarding

8.5

Entertainment

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jun 2026

NRT - SFO

The boarding was way behind the est schedule. However it moved pretty fast after it started. It’d be more professional if they informed the passengers of any delay and progress.

FAQs about flying to Dulles Intl

  • Can I find cheaper flights to Dulles Intl if I am willing to have stopovers?

    Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to Dulles Intl on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to Dulles Intl?

    Based on reviews from Cheapflights users, ANA is rated the highest out of the airlines that fly to Dulles Intl.

  • Does Washington, D.C. Dulles Intl have rental cars?

    Yes. Those touching down at Washington, D.C. Dulles Intl can take advantage of the car hire services offered upon their arrival.

  • Are there hotels close to Washington, D.C. Dulles Intl?

    Yes. Washington, D.C. Dulles Intl has hotels nearby for those requiring accommodations. Sleepbox Lounge Iad, Dulles International Airport is the closest property to Washington, D.C. Dulles Intl (0.0 km away from Washington, D.C. Dulles Intl).

See more FAQs

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Yes, Cheapflights offers price alerts on Dulles Intl flights so you can book your flight when prices are ideal. Enable price alerts by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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