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S$ 906+ 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 11-4. Fares are subject to change and may not be available on all flights or dates of travel.
— IAD
1 May — 8 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 1 April 2026.

Wed 20-517:30
SIN
-
IAD
2 stops62h 00m
Multiple Airlines
Tue 2-615:10
IAD
-
SIN
1 stop30h 30m
Multiple Airlines
Deal found 1-4S$ 1,315
Thu 23-423:25
SIN
-
IAD
1 stop32h 05m
Multiple Airlines
Mon 4-515:10
IAD
-
SIN
1 stop30h 30m
Multiple Airlines
Deal found 30-3S$ 1,371
Thu 23-423:25
SIN
-
IAD
1 stop32h 05m
Multiple Airlines
Sun 3-515:10
IAD
-
SIN
1 stop30h 30m
Multiple Airlines
Deal found 29-3S$ 1,384
Sat 14-1115:45
SIN
-
IAD
2 stops28h 43m
Multiple Airlines
Wed 25-1117:38
IAD
-
SIN
2 stops29h 27m
Multiple Airlines
Deal found 28-3S$ 1,396
Thu 23-420:35
SIN
-
IAD
1 stop23h 15m
United Airlines
Mon 4-522:30
IAD
-
SIN
2 stops32h 05m
United Airlines
Deal found 30-3S$ 1,416
Sat 14-1114:45
SIN
-
IAD
2 stops29h 43m
STARLUX Airlines
Wed 25-1117:38
IAD
-
SIN
2 stops30h 47m
STARLUX Airlines
Deal found 29-3S$ 1,433
Thu 14-513:10
SIN
-
IAD
2 stops30h 24m
EVA Air
Sat 8-818:14
IAD
-
SIN
2 stops29h 41m
EVA Air
Deal found 30-3S$ 1,478
Tue 14-420:35
SIN
-
IAD
1 stop37h 43m
United Airlines
Sat 18-422:30
IAD
-
SIN
2 stops32h 05m
United Airlines
Deal found 27-3S$ 1,507
Sat 14-1113:15
SIN
-
IAD
1 stop20h 40m
EVA Air
Wed 25-1117:38
IAD
-
SIN
2 stops29h 27m
EVA Air
Deal found 28-3S$ 1,538
Sat 14-1105:25
SIN
-
IAD
1 stop43h 20m
Turkish Airlines
Wed 25-1121:10
IAD
-
SIN
1 stop22h 35m
Turkish Airlines
Deal found 28-3S$ 1,545
Thu 23-409:00
SIN
-
IAD
2 stops27h 32m
United Airlines
Sun 3-518:40
IAD
-
SIN
2 stops48h 00m
United Airlines
Deal found 29-3S$ 1,569
Thu 14-515:20
SIN
-
IAD
2 stops28h 14m
Multiple Airlines
Fri 7-801:50
IAD
-
SIN
1 stop24h 05m
Multiple Airlines
Deal found 1-4S$ 1,574

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 1 April 2026.

Return from

S$ 1,300

One-way from

S$ 906

Popular in

April

Cheapest in

September

Average price

S$ 2,281
1-9-30-9
  • 1-9-30-9
  • 4 total stops
  • 81h 20m total
  • Singapore to Washington, D.C.
Search Deals
11-4
  • 11-4
  • 3 total stops
  • 47h 05m total
  • Singapore to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (S$ 281 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (S$ 58 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 1 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

Tue 19-5

15:20-07:34

2 stops28h 14m

Washington, D.C. Dulles Intl

Fri 19-6

20:21-11:55

2 stops27h 34m

S$ 1,844

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sun 26-4

20:35-01:25

1 stop40h 50m

Washington, D.C. Dulles Intl

Fri 1-5

22:30-18:35

2 stops32h 05m

S$ 1,849

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Tue 11-8

08:45-06:00

1 stop33h 15m

Washington, D.C. Dulles Intl

Fri 14-8

06:30-06:15

2 stops35h 45m

S$ 1,902

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Wed 20-5

21:00-08:40

1 stop23h 40m

Washington, D.C. Dulles Intl

Wed 27-5

10:55-08:35

1 stop33h 40m

S$ 1,929
Fastest return journey

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Mon 17-8

13:10-22:30

1 stop21h 20m

Washington, D.C. Dulles Intl

Fri 8-1

17:38-12:05

2 stops29h 27m

S$ 1,969

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Tue 19-5

09:00-23:25

2 stops26h 25m

Washington, D.C. Dulles Intl

Fri 19-6

20:21-18:35

1 stop34h 14m

S$ 2,115

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Mon 13-4

01:05-23:26

2 stops34h 21m

Washington, D.C. Dulles Intl

Fri 17-4

20:20-15:45

1 stop31h 25m

S$ 2,155

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Wed 20-5

19:15-18:10

2 stops34h 55m

Washington, D.C. Dulles Intl

Wed 27-5

20:20-16:15

1 stop31h 55m

S$ 2,307

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Tue 19-5

03:15-16:05

1 stop24h 50m

Washington, D.C. Dulles Intl

Thu 28-5

20:20-11:25

2 stops27h 05m

S$ 2,310

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Wed 20-5

07:30-11:15

1 stop39h 45m

Washington, D.C. Dulles Intl

Thu 28-5

07:00-23:55

2 stops28h 55m

S$ 2,317

Flights are sorted by cheapest return flights first.

Deals found on 29-3

Showing 1-10 of 21 resultsSorted by cheapest first
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, 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 1 April 2026.
Read reviews from past customers who have flown Korean Air,Qatar Airways, andTurkish 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
1,203 reviews
Check prices

Overall

8.4

Comfort

8.3

Entertainment

8.2

Crew

8.7

Food

8.1

Boarding

8.5

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
1,203 reviews
Korean Air
8.4
Very Good
1,203 reviews
Check prices

Overall

8.4

Comfort

8.3

Entertainment

8.2

Crew

8.7

Food

8.1

Boarding

8.5

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
3,732 reviews
Korean Air
8.4
Very Good
1,203 reviews
Check prices

Overall

8.4

Comfort

8.3

Entertainment

8.2

Crew

8.7

Food

8.1

Boarding

8.5

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
7.4
Good
4,292 reviews
Korean Air
8.4
Very Good
1,203 reviews
Check prices

Overall

8.4

Comfort

8.3

Entertainment

8.2

Crew

8.7

Food

8.1

Boarding

8.5

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

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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.

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