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S$ 707+ 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 13-4. Fares are subject to change and may not be available on all flights or dates of travel.
— IAD
31 Jan — 7 Feb1
1 adult
1 adult, Economy, 0 bags

Flights to Dulles Intl in 2026

Enter your travel dates to find the best prices.

Best flights to Dulles Intl Airport
Discover carefully curated flight deals to Dulles Intl Airport that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 1 January 2026.

Thu 5-210:15SIN - IAD
2 stops46h 05mIndiGo
Wed 11-221:15IAD - SIN
2 stops31h 05mIndiGo
Deal found 30-12S$ 1,125
Wed 11-219:25SIN - IAD
1 stop26h 40mEtihad Airways
Wed 18-214:35IAD - SIN
1 stop30h 00mEtihad Airways
Deal found 30-12S$ 1,185
Tue 20-110:15SIN - IAD
1 stop46h 05mTurkish Airlines
Mon 26-113:30IAD - SIN
1 stop31h 30mTurkish Airlines
Deal found 30-12S$ 1,252
Thu 5-219:25SIN - IAD
1 stop26h 40mMultiple Airlines
Wed 11-221:15IAD - SIN
2 stops31h 05mMultiple Airlines
Deal found 30-12S$ 1,261
Tue 20-108:50SIN - IAD
2 stops39h 59mAir Canada
Mon 26-116:30IAD - SIN
2 stops49h 30mAir Canada
Deal found 30-12S$ 1,279
Wed 28-119:25SIN - IAD
1 stop26h 40mEtihad Airways
Wed 4-214:35IAD - SIN
1 stop30h 00mEtihad Airways
Deal found 31-12S$ 1,189
Wed 28-106:35SIN - IAD
2 stops26h 51mAir Canada
Wed 4-213:05IAD - SIN
2 stops28h 55mAir Canada
Deal found 31-12S$ 1,293
Thu 5-219:25SIN - IAD
1 stop26h 40mEtihad Airways
Wed 11-214:35IAD - SIN
1 stop30h 00mEtihad Airways
Deal found 30-12S$ 1,190
Sun 1-319:25SIN - IAD
1 stop26h 40mEtihad Airways
Thu 30-415:35IAD - SIN
1 stop29h 40mEtihad Airways
Deal found 29-12S$ 1,212
Thu 5-319:25SIN - IAD
1 stop26h 40mEtihad Airways
Mon 9-315:35IAD - SIN
1 stop30h 00mEtihad Airways
Deal found 29-12S$ 1,216
Fri 13-219:25SIN - IAD
1 stop26h 40mEtihad Airways
Fri 20-214:35IAD - SIN
1 stop30h 00mEtihad Airways
Deal found 30-12S$ 1,287

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 January 2026.

Return from

S$ 1,125

One-way from

S$ 707

Popular in

December

Cheapest in

September

Average price

S$ 1,567
IndiGo
  • IndiGo
  • 5-2-11-2
  • 4 total stops
  • 77h 10m total
  • Singapore to Washington, D.C.
Search Deals
13-4
  • 13-4
  • 2 total stops
  • 48h 15m total
  • Singapore to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (S$ 103 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (S$ 35 potential savings vs. average return price).
Search Deals
Average for return flights in January 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 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

Thu 5-2

10:15-19:20

2 stops46h 05m

Washington, D.C. Dulles Intl

Wed 11-2

21:15-17:20

2 stops31h 05m

S$ 1,125

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Wed 11-2

19:25-09:05

1 stop26h 40m

Washington, D.C. Dulles Intl

Wed 18-2

14:35-09:35

1 stop30h 00m

S$ 1,185

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Wed 28-1

19:25-09:05

1 stop26h 40m

Washington, D.C. Dulles Intl

Wed 4-2

14:35-09:35

1 stop30h 00m

S$ 1,189

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Thu 5-2

19:25-09:05

1 stop26h 40m

Washington, D.C. Dulles Intl

Wed 11-2

14:35-09:35

1 stop30h 00m

S$ 1,190

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sun 1-3

19:25-09:05

1 stop26h 40m

Washington, D.C. Dulles Intl

Thu 30-4

15:35-09:15

1 stop29h 40m

S$ 1,212

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$ 1,216

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Tue 20-1

10:15-19:20

1 stop46h 05m

Washington, D.C. Dulles Intl

Mon 26-1

13:30-10:00

1 stop31h 30m

S$ 1,252

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Thu 5-2

19:25-09:05

1 stop26h 40m

Washington, D.C. Dulles Intl

Wed 11-2

21:15-17:20

2 stops31h 05m

S$ 1,261

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Tue 20-1

08:50-11:49

2 stops39h 59m

Washington, D.C. Dulles Intl

Mon 26-1

16:30-07:00

2 stops49h 30m

S$ 1,279

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Fri 13-2

19:25-09:05

1 stop26h 40m

Washington, D.C. Dulles Intl

Fri 20-2

14:35-09:35

1 stop30h 00m

S$ 1,287

Flights are sorted by cheapest return flights first.

Deals found on 31-12

Showing 1-10 of 21 results
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2
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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, Korean Air and Air India.

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 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
1,184 reviews
Check prices

Overall

8.4

Entertainment

8.2

Crew

8.7

Comfort

8.3

Boarding

8.5

Food

8.1

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
1,184 reviews
Korean Air
8.4
Very Good
1,184 reviews
Check prices

Overall

8.4

Entertainment

8.2

Crew

8.7

Comfort

8.3

Boarding

8.5

Food

8.1

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
3,700 reviews
Korean Air
8.4
Very Good
1,184 reviews
Check prices

Overall

8.4

Entertainment

8.2

Crew

8.7

Comfort

8.3

Boarding

8.5

Food

8.1

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
9,127 reviews
Korean Air
8.4
Very Good
1,184 reviews
Check prices

Overall

8.4

Entertainment

8.2

Crew

8.7

Comfort

8.3

Boarding

8.5

Food

8.1

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
4,137 reviews
Korean Air
8.4
Very Good
1,184 reviews
Check prices

Overall

8.4

Entertainment

8.2

Crew

8.7

Comfort

8.3

Boarding

8.5

Food

8.1

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!!
Air India
5.5
Fair
2,967 reviews
Korean Air
8.4
Very Good
1,184 reviews
Check prices

Overall

8.4

Entertainment

8.2

Crew

8.7

Comfort

8.3

Boarding

8.5

Food

8.1

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, 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$ 479, 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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