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S$ 583+ Cheap flights to Dulles Intl

— IAD
14 Oct — 21 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

Thu 15-1017:55 -
1 stop37h 35m
Tue 27-1023:00 -
1 stop43h 50m
Deal found 11-9S$ 1,022
Thu 15-1023:25 -
1 stop32h 05m
Fri 23-1023:00 -
1 stop29h 15m
Deal found 11-9S$ 1,036
Mon 26-1023:55 -
1 stop31h 35m
Mon 2-1114:35 -
1 stop30h 00m
Deal found 11-9S$ 1,342
Mon 26-1017:45 -
1 stop37h 45m
Mon 9-1111:50 -
1 stop43h 35m
Deal found 14-9S$ 1,347
Tue 13-1010:25 -
1 stop45h 20m
Tue 20-1013:15 -
1 stop31h 30m
Deal found 12-9S$ 1,421
Mon 12-1003:00 -
2 stops28h 30m
Tue 20-1023:00 -
1 stop34h 55m
Deal found 12-9S$ 1,431

Find flight deals to Dulles Intl Airport

Return from

S$ 1,022

One-way from

S$ 583

Popular in

July

Cheapest in

February

Average price

S$ 2,046
Air China
  • Air China
  • 15-10-27-10
  • 2 total stops
  • 81h 25m 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$ 310 potential increase over avg. return price).
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Cheapest flight prices on average. 6% potential price decrease (S$ 116 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

14:25-05:40

2 stops27h 15m

Washington, D.C. Dulles Intl

Wed 31-12

00:00-12:30

Nonstop0h 00m

S$ 980

SingaporeWashington, D.C.

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

SINIAD

Singapore Changi

Wed 30-12

12:30-08:10

2 stops32h 40m

Washington, D.C. Dulles Intl

Wed 31-12

00:00-12:30

Nonstop0h 00m

S$ 1,013

SingaporeWashington, D.C.

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

SINIAD

Singapore Changi

Mon 12-10

21:30-08:50

2 stops47h 20m

Washington, D.C. Dulles Intl

Wed 31-12

00:00-12:30

Nonstop0h 00m

S$ 1,015

SingaporeWashington, D.C.

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

SINIAD

Singapore Changi

Thu 15-10

17:55-19:30

1 stop37h 35m

Washington, D.C. Dulles Intl

Tue 27-10

23:00-16:15

1 stop29h 15m

S$ 1,050

SingaporeWashington, D.C.

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

SINIAD

Singapore Changi

Sun 1-11

04:35-21:25

1 stop28h 50m

Washington, D.C. Dulles Intl

Wed 31-12

00:00-12:30

Nonstop0h 00m

S$ 1,104

SingaporeWashington, D.C.

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

SINIAD

Singapore Changi

Thu 18-2

00:05-17:00

1 stop29h 55m

Washington, D.C. Dulles Intl

Wed 31-12

00:00-12:30

Nonstop0h 00m

S$ 1,104

SingaporeWashington, D.C.

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

SINIAD

Singapore Changi

Thu 18-2

23:55-14:35

1 stop27h 40m

Washington, D.C. Dulles Intl

Wed 31-12

00:00-12:30

Nonstop0h 00m

S$ 1,105
Fastest return journey

SingaporeWashington, D.C.

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

SINIAD

Singapore Changi

Wed 14-10

23:05-11:30

1 stop24h 25m

Washington, D.C. Dulles Intl

Wed 31-12

00:00-12:30

Nonstop0h 00m

S$ 1,107

SingaporeWashington, D.C.

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

SINIAD

Singapore Changi

Tue 29-9

05:25-11:30

1 stop42h 05m

Washington, D.C. Dulles Intl

Wed 31-12

00:00-12:30

Nonstop0h 00m

S$ 1,107

SingaporeWashington, D.C.

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

SINIAD

Singapore Changi

Wed 28-10

23:15-12:45

1 stop25h 30m

Washington, D.C. Dulles Intl

Wed 31-12

00:00-12:30

Nonstop0h 00m

S$ 1,107

Flights are sorted by cheapest return flights first.

Deals found on 13-9

Showing 1-10 of 22 resultsSorted by cheapest first
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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
1,315 reviews
Check prices

Crew

8.7

Overall

8.3

Entertainment

8.0

Boarding

8.5

Food

7.8

Comfort

8.2

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
1,315 reviews
ANA
8.3
Very Good
1,315 reviews
Check prices

Crew

8.7

Overall

8.3

Entertainment

8.0

Boarding

8.5

Food

7.8

Comfort

8.2

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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