Find flights
Airlines

S$ 643+ 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 8-2. Fares are subject to change and may not be available on all flights or dates of travel.
— IAD
15 Feb — 22 Feb1
1 adult
1 adult, Economy, 0 bags

Flights to Dulles Intl in 2026

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 16 January 2026.

Return from

S$ 1,172

One-way from

S$ 643

Popular in

December

Cheapest in

September

Average price

S$ 1,570
IndiGo
  • IndiGo
  • 9-2-13-2
  • 4 total stops
  • 93h 05m total
  • Singapore to Washington, D.C.
Search Deals
8-2
  • 8-2
  • 2 total stops
  • 31h 45m total
  • Singapore to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (S$ 104 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (S$ 39 potential savings vs. average return price).
Search Deals
Average for return flights in January 2026
Search Deals

Find flight deals to Dulles Intl Airport

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 16 January 2026.

Mon 9-211:15
SIN
-
IAD
2 stops45h 05m
IndiGo
Fri 13-221:15
IAD
-
SIN
2 stops48h 00m
IndiGo
Deal found 14-1S$ 1,172
Sun 1-322:30
SIN
-
IAD
2 stops47h 35m
Multiple Airlines
Mon 9-315:35
IAD
-
SIN
2 stops41h 55m
Multiple Airlines
Deal found 14-1S$ 1,178
Wed 28-111:15
SIN
-
IAD
2 stops45h 05m
IndiGo
Sat 31-121:15
IAD
-
SIN
2 stops48h 00m
IndiGo
Deal found 13-1S$ 1,199
Sun 1-322:30
SIN
-
IAD
2 stops47h 35m
Multiple Airlines
Sun 8-315:35
IAD
-
SIN
2 stops41h 55m
Multiple Airlines
Deal found 15-1S$ 1,223
Mon 9-219:40
SIN
-
IAD
2 stops36h 40m
IndiGo
Thu 12-213:30
IAD
-
SIN
2 stops38h 50m
IndiGo
Deal found 13-1S$ 1,227
Thu 26-219:25
SIN
-
IAD
1 stop26h 40m
Etihad Airways
Wed 11-315:35
IAD
-
SIN
1 stop30h 00m
Etihad Airways
Deal found 15-1S$ 1,239
Mon 2-211:40
SIN
-
IAD
1 stop37h 05m
Turkish Airlines
Mon 16-221:15
IAD
-
SIN
1 stop23h 45m
Turkish Airlines
Deal found 15-1S$ 1,256
Sun 1-202:00
SIN
-
IAD
2 stops51h 26m
Multiple Airlines
Mon 16-207:05
IAD
-
SIN
2 stops41h 00m
Multiple Airlines
Deal found 15-1S$ 1,265
Thu 5-319:25
SIN
-
IAD
1 stop26h 40m
Etihad Airways
Mon 9-315:35
IAD
-
SIN
1 stop30h 00m
Etihad Airways
Deal found 14-1S$ 1,272
Sun 1-310:15
SIN
-
IAD
1 stop46h 05m
Turkish Airlines
Mon 9-322:15
IAD
-
SIN
1 stop23h 45m
Turkish Airlines
Deal found 14-1S$ 1,279
Mon 16-211:40
SIN
-
IAD
1 stop37h 05m
Turkish Airlines
Tue 31-321:45
IAD
-
SIN
1 stop23h 00m
Turkish Airlines
Deal found 14-1S$ 1,289
Sun 1-310:15
SIN
-
IAD
1 stop46h 05m
Turkish Airlines
Thu 30-421:45
IAD
-
SIN
1 stop21h 50m
Turkish Airlines
Deal found 13-1S$ 1,293

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 16 January 2026.
Use the filters below to find and compare flights to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Singapore

Route

Depart

Return

Price

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Wed 28-1

11:15-19:20

2 stops45h 05m

Washington, D.C. Dulles Intl

Sat 31-1

21:15-10:15

2 stops48h 00m

S$ 1,199

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Mon 9-2

19:40-19:20

2 stops36h 40m

Washington, D.C. Dulles Intl

Thu 12-2

13:30-17:20

2 stops38h 50m

S$ 1,227

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Thu 5-3

19:25-09:05

1 stop26h 40m

Washington, D.C. Dulles Intl

Mon 9-3

15:35-09:35

1 stop30h 00m

S$ 1,272

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sun 1-3

10:15-19:20

1 stop46h 05m

Washington, D.C. Dulles Intl

Mon 9-3

22:15-10:00

1 stop23h 45m

S$ 1,279

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sun 1-3

10:15-19:20

1 stop46h 05m

Washington, D.C. Dulles Intl

Thu 30-4

21:45-07:35

1 stop21h 50m

S$ 1,293

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Wed 11-2

11:40-11:45

1 stop37h 05m

Washington, D.C. Dulles Intl

Wed 18-2

21:15-10:00

1 stop23h 45m

S$ 1,294

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Thu 14-5

21:00-09:45

1 stop24h 45m

Washington, D.C. Dulles Intl

Sat 8-8

15:35-09:40

1 stop30h 05m

S$ 1,311

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Mon 16-2

14:25-05:40

2 stops28h 15m

Washington, D.C. Dulles Intl

Tue 31-3

19:11-12:35

2 stops29h 24m

S$ 1,357

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Wed 28-1

11:15-19:20

2 stops45h 05m

Washington, D.C. Dulles Intl

Sat 31-1

18:10-15:30

1 stop32h 20m

S$ 1,360

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

06:05-12:35

2 stops42h 30m

S$ 1,392

Flights are sorted by cheapest return flights first.

Deals found on 15-1

Showing 1-10 of 22 results
1
2
3

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 Korean Air, United Airlines and Turkish Airlines.

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 16 January 2026.
Read reviews from past customers who have flown Korean Air, Qatar Airways, andUnited 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.
Korean Air
8.4
Very Good
1,187 reviews
Check prices

Entertainment

8.2

Food

8.1

Comfort

8.3

Boarding

8.5

Overall

8.4

Crew

8.7

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
1,187 reviews
Korean Air
8.4
Very Good
1,187 reviews
Check prices

Entertainment

8.2

Food

8.1

Comfort

8.3

Boarding

8.5

Overall

8.4

Crew

8.7

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
3,715 reviews
Korean Air
8.4
Very Good
1,187 reviews
Check prices

Entertainment

8.2

Food

8.1

Comfort

8.3

Boarding

8.5

Overall

8.4

Crew

8.7

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
9,164 reviews
Korean Air
8.4
Very Good
1,187 reviews
Check prices

Entertainment

8.2

Food

8.1

Comfort

8.3

Boarding

8.5

Overall

8.4

Crew

8.7

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
4,176 reviews
Korean Air
8.4
Very Good
1,187 reviews
Check prices

Entertainment

8.2

Food

8.1

Comfort

8.3

Boarding

8.5

Overall

8.4

Crew

8.7

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!!

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, Korean Air 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$ 480, while return flights cost around S$ 92.

  • How much is a return flight to Dulles Intl?

    A return flight to Dulles Intl will typically cost around S$ 92, however they can be found for as little as S$ 92.

  • 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
Business Class
Prem Econ Class
Economy class

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.