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S$ 895+ Cheap flights to Dulles Intl

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 4-5. Fares are subject to change and may not be available on all flights or dates of travel.
— IAD
17 May — 24 May1
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
Explore the most affordable flight options available to Dulles Intl Airport. Find the lowest fares based on data from user searches, with prices last updated on 17 April 2026.

Thu 19-1123:55
SIN
-
IAD
1 stop31h 35m
Air China
Tue 1-1222:00
IAD
-
SIN
1 stop43h 50m
Air China
Deal found 13-4S$ 1,207
Wed 2-915:00
SIN
-
IAD
2 stops64h 30m
Air China
Tue 15-923:00
IAD
-
SIN
1 stop29h 25m
Air China
Deal found 15-4S$ 1,241
Mon 7-923:25
SIN
-
IAD
1 stop32h 05m
Air China
Tue 15-923:00
IAD
-
SIN
1 stop34h 55m
Air China
Deal found 15-4S$ 1,344
Mon 1-617:55
SIN
-
IAD
1 stop37h 35m
Air China
Tue 30-623:00
IAD
-
SIN
1 stop34h 55m
Air China
Deal found 12-4S$ 1,433
Thu 19-1123:55
SIN
-
IAD
1 stop31h 35m
Multiple Airlines
Mon 30-1120:05
IAD
-
SIN
1 stop29h 50m
Multiple Airlines
Deal found 13-4S$ 1,488
Mon 4-508:05
SIN
-
IAD
2 stops27h 21m
American Airlines
Tue 15-906:24
IAD
-
SIN
2 stops29h 56m
American Airlines
Deal found 13-4S$ 1,499
Wed 22-419:40
SIN
-
IAD
1 stop34h 30m
Qatar Airways
Sat 25-409:00
IAD
-
SIN
2 stops36h 20m
Qatar Airways
Deal found 13-4S$ 1,519
Wed 20-508:05
SIN
-
IAD
2 stops33h 03m
Multiple Airlines
Thu 10-907:00
IAD
-
SIN
2 stops29h 20m
Multiple Airlines
Deal found 14-4S$ 1,583
Mon 7-908:05
SIN
-
IAD
2 stops33h 35m
Japan Airlines
Mon 14-907:00
IAD
-
SIN
2 stops29h 20m
Japan Airlines
Deal found 15-4S$ 1,586
Sun 6-921:50
SIN
-
IAD
2 stops43h 50m
Japan Airlines
Mon 14-907:00
IAD
-
SIN
2 stops29h 20m
Japan Airlines
Deal found 15-4S$ 1,596

Find flight deals to Dulles Intl Airport

Find the latest flights to Dulles Intl in 2026, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 200,618 searches and data was last updated on 17 April 2026.

Return from

S$ 1,241

One-way from

S$ 895

Popular in

April

Cheapest in

September

Average price

S$ 2,237
Air China
  • Air China
  • 2-9-15-9
  • 3 total stops
  • 93h 55m total
  • Singapore to Washington, D.C.
Search Deals
4-5
  • 4-5
  • 3 total stops
  • 34h 35m total
  • Singapore to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (S$ 285 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (S$ 57 potential savings vs. average return price).
Search Deals
Average for return flights in April 2026
Search Deals

Cheapflights Fare Finder

 
Locate flights to Dulles Intl that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 200,618 searches and data was last updated on 17 April 2026.
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 - IAD

SINIAD

Singapore Changi

Wed 6-5

12:30-08:40

2 stops32h 10m

Washington, D.C. Dulles Intl

Wed 20-5

10:55-11:30

2 stops36h 35m

S$ 1,681

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Thu 14-5

13:45-07:34

2 stops29h 49m

Washington, D.C. Dulles Intl

Sat 8-8

18:14-00:35

2 stops42h 21m

S$ 1,741

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Fri 15-5

01:30-07:34

2 stops42h 04m

Washington, D.C. Dulles Intl

Fri 22-5

21:00-16:15

1 stop31h 15m

S$ 1,769

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Wed 6-5

14:00-05:50

2 stops27h 50m

Washington, D.C. Dulles Intl

Wed 20-5

15:10-09:40

1 stop30h 30m

S$ 1,785

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Mon 1-6

19:00-18:20

1 stop35h 20m

Washington, D.C. Dulles Intl

Mon 8-6

15:10-09:40

1 stop30h 30m

S$ 1,888
Fastest return journey

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Fri 15-5

01:05-18:10

1 stop29h 05m

Washington, D.C. Dulles Intl

Sat 23-5

21:00-09:20

1 stop24h 20m

S$ 1,905

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Wed 27-5

10:35-08:40

1 stop34h 05m

Washington, D.C. Dulles Intl

Mon 1-6

10:55-21:45

1 stop22h 50m

S$ 1,916

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Tue 1-9

21:00-08:40

1 stop23h 40m

Washington, D.C. Dulles Intl

Wed 30-9

10:55-08:35

1 stop33h 40m

S$ 1,917
Cheapest one-way

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sun 31-5

12:30-08:40

2 stops32h 10m

S$ 1,046

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Thu 28-5

12:30-08:40

2 stops32h 10m

S$ 1,046

Flights are sorted by cheapest return flights first.

Deals found on 14-4

Showing 1-10 of 19 resultsSorted by cheapest first
1
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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
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 to Washington, D.C. Dulles Intl Airport

What are the cheapest airlines that fly to Dulles Intl?

The cheapest airlines flying from Singapore to Dulles Intl are Turkish Airlines and Qatar Airways.

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 17 April 2026.
Read reviews from past customers who have flown Qatar Airways and Turkish Airlines 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.
Qatar Airways
7.4
Good
3,730 reviews
Check prices

Crew

7.9

Entertainment

7.3

Boarding

7.5

Comfort

7.3

Food

7.3

Overall

7.4

Reviews

1 / 20
6.0
Good

preeti,Jan 2025

DOH - PHL

Can improve a lot from food to crew training to entertainment etc.
Qatar Airways
7.4
Good
3,730 reviews
Qatar Airways
7.4
Good
3,730 reviews
Check prices

Crew

7.9

Entertainment

7.3

Boarding

7.5

Comfort

7.3

Food

7.3

Overall

7.4

Reviews

1 / 20
6.0
Good

preeti,Jan 2025

DOH - PHL

Can improve a lot from food to crew training to entertainment etc.
Turkish Airlines
7.3
Good
4,306 reviews
Qatar Airways
7.4
Good
3,730 reviews
Check prices

Crew

7.9

Entertainment

7.3

Boarding

7.5

Comfort

7.3

Food

7.3

Overall

7.4

Reviews

1 / 20
6.0
Good

preeti,Jan 2025

DOH - PHL

Can improve a lot from food to crew training to entertainment etc.

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, Turkish Airlines is rated the highest out of the airlines that fly to Dulles Intl.

  • What is the cheapest airport to fly to in Dulles Intl?

    Washington, D.C. Dulles Intl is currently the cheapest airport to fly to in Dulles Intl. One-way flights to Washington, D.C. Dulles Intl typically cost S$ 474, while return flights cost around S$ 91.

  • How much is a return flight to Dulles Intl?

    A return flight to Dulles Intl will typically cost around S$ 91, however they can be found for as little as S$ 91.

  • 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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Cheapflights does show flights with no change fees to all users. To see these options for flights to Dulles Intl, users can toggle the no change fees filter when performing a flight search.

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

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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