Find flights
Airlines

S$ 573+ 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 11-6. Fares are subject to change and may not be available on all flights or dates of travel.
— IAD
13 Jun — 20 Jun1
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 14 May 2026.

Mon 2-1123:55
SIN
-
IAD
1 stop31h 35m
Air China
Tue 8-1222:00
IAD
-
SIN
1 stop43h 50m
Air China
Deal found 12-5S$ 1,331
Thu 29-1023:55
SIN
-
IAD
1 stop31h 35m
Air China
Tue 8-1222:00
IAD
-
SIN
1 stop43h 50m
Air China
Deal found 12-5S$ 1,360
Fri 26-609:00
SIN
-
IAD
1 stop22h 30m
Air China
Tue 30-623:00
IAD
-
SIN
1 stop29h 25m
Air China
Deal found 9-5S$ 1,425
Mon 6-723:25
SIN
-
IAD
1 stop32h 05m
Multiple Airlines
Sun 19-715:10
IAD
-
SIN
1 stop30h 30m
Multiple Airlines
Deal found 10-5S$ 1,455
Thu 29-1023:55
SIN
-
IAD
1 stop31h 35m
Air China
Fri 11-1222:00
IAD
-
SIN
1 stop43h 50m
Air China
Deal found 12-5S$ 1,494
Mon 8-623:25
SIN
-
IAD
1 stop32h 05m
Air China
Fri 12-623:00
IAD
-
SIN
1 stop34h 55m
Air China
Deal found 9-5S$ 1,505
Sun 1-1115:45
SIN
-
IAD
2 stops27h 06m
Multiple Airlines
Tue 8-1217:38
IAD
-
SIN
2 stops29h 27m
Multiple Airlines
Deal found 12-5S$ 1,562
Sat 16-515:20
SIN
-
IAD
2 stops28h 14m
EVA Air
Sat 23-509:00
IAD
-
SIN
2 stops40h 55m
EVA Air
Deal found 10-5S$ 1,576
Tue 1-915:20
SIN
-
IAD
2 stops26h 20m
Multiple Airlines
Wed 30-917:54
IAD
-
SIN
2 stops30h 01m
Multiple Airlines
Deal found 11-5S$ 1,583
Mon 6-717:55
SIN
-
IAD
1 stop37h 35m
Air China
Tue 13-1023:00
IAD
-
SIN
1 stop29h 25m
Air China
Deal found 13-5S$ 1,592

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 14 May 2026.

Return from

S$ 1,331

One-way from

S$ 573

Popular in

April

Cheapest in

August

Average price

S$ 1,665
Air China
  • Air China
  • 2-11-8-12
  • 2 total stops
  • 75h 25m total
  • Singapore to Washington, D.C.
Search Deals
Air China
  • Air China
  • 11-6
  • 1 total stop
  • 37h 35m total
  • Singapore to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (S$ 326 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (S$ 62 potential savings vs. average return price).
Search Deals
Average for return flights in May 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 14 May 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
Fastest return journey

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Mon 8-6

20:35-11:28

2 stops26h 53m

Washington, D.C. Dulles Intl

Tue 7-7

22:21-18:35

1 stop32h 14m

S$ 1,639

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Tue 9-6

08:45-23:19

2 stops26h 34m

Washington, D.C. Dulles Intl

Mon 29-6

20:00-18:35

1 stop34h 35m

S$ 1,730

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Tue 9-6

10:25-11:35

1 stop37h 10m

Washington, D.C. Dulles Intl

Mon 29-6

13:20-09:30

1 stop32h 10m

S$ 1,757

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Wed 3-6

12:30-08:40

2 stops32h 10m

Washington, D.C. Dulles Intl

Sun 21-6

10:55-20:30

2 stops45h 35m

S$ 1,786

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Mon 8-6

12:30-08:40

2 stops32h 10m

Washington, D.C. Dulles Intl

Tue 7-7

10:55-20:30

2 stops45h 35m

S$ 1,786

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Tue 1-9

10:25-11:35

1 stop37h 10m

Washington, D.C. Dulles Intl

Wed 30-9

13:20-17:55

1 stop40h 35m

S$ 1,824

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Fri 30-10

21:30-09:10

2 stops47h 40m

Washington, D.C. Dulles Intl

Sat 5-12

10:30-20:30

2 stops45h 00m

S$ 1,908

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Tue 9-6

20:35-11:28

2 stops26h 53m

Washington, D.C. Dulles Intl

Tue 16-6

08:30-06:15

1 stop33h 45m

S$ 1,926

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sun 24-5

00:50-08:40

1 stop43h 50m

Washington, D.C. Dulles Intl

Thu 28-5

10:55-14:05

1 stop39h 10m

S$ 1,997

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sun 1-11

15:45-20:55

1 stop42h 10m

Washington, D.C. Dulles Intl

Sat 5-12

23:55-12:05

1 stop23h 10m

S$ 2,045

Flights are sorted by cheapest return flights first.

Deals found on 13-5

Showing 1-10 of 18 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
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 14 May 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
3,728 reviews
Check prices

Boarding

7.5

Comfort

7.3

Entertainment

7.3

Overall

7.4

Crew

7.9

Food

7.3

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
3,728 reviews
Qatar Airways
7.4
Good
3,728 reviews
Check prices

Boarding

7.5

Comfort

7.3

Entertainment

7.3

Overall

7.4

Crew

7.9

Food

7.3

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
7.4
Good
4,366 reviews
Qatar Airways
7.4
Good
3,728 reviews
Check prices

Boarding

7.5

Comfort

7.3

Entertainment

7.3

Overall

7.4

Crew

7.9

Food

7.3

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$ 1,399, while return flights cost around 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

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.

Search flights to Dulles Intl by cabin class

Find flights to Dulles Intl, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class flights to Washington, D.C. Dulles Intl Airport
Business Class flights to Washington, D.C. Dulles Intl Airport
Prem Economy Class flights to Washington, D.C. Dulles Intl Airport
Economy Class flights to Washington, D.C. Dulles Intl Airport

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights to Dulles Intl?

Deals for 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 to your preference, such as price, airport, cabin class, and plenty of other options.

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights to Dulles Intl.

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

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book With Flexibility

Our users can plan ahead with confidence and find flights with no change fees.

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.