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S$ 668+ 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 15-2. Fares are subject to change and may not be available on all flights or dates of travel.
— IAD
4 Feb — 11 Feb1
1 adult

Flights to Dulles Intl in 2025

Find the latest flights to Dulles Intl in 2025, 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 30 January 2025.

Return from

S$ 1,014

One-way from

S$ 668

Popular in

July

Cheapest in

August

Average price

S$ 1,593
SAUDIA
  • SAUDIA
  • 21-4-26-4
  • 2 total stops
  • 67h 05m total
  • Singapore to Washington, D.C.
SAUDIA
  • SAUDIA
  • 15-2
  • 1 total stop
  • 34h 45m total
  • Singapore to Washington, D.C.
Highest demand for flights based on searches. 3% potential increase in price (S$ 78 potential increase over avg. return price).
Cheapest flight prices on average. 1% potential price decrease (S$ 46 potential savings vs. average return price).
Average for return flights in January 2025

Find flight deals to Dulles Intl Airport

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 30 January 2025.

Sat 15-317:00SIN - IAD
1 stop34h 45mSAUDIA
Sat 22-319:10IAD - SIN
1 stop32h 20mSAUDIA
Deal found 29-1S$ 1,014
Mon 21-423:25SIN - IAD
1 stop28h 15mAir China
Sat 26-418:00IAD - SIN
2 stops39h 55mAir China
Deal found 29-1S$ 1,287
Thu 13-210:25SIN - IAD
1 stop46h 05mTurkish Airlines
Tue 18-221:25IAD - SIN
1 stop31h 10mTurkish Airlines
Deal found 29-1S$ 1,299
Sat 6-908:45SIN - IAD
2 stops26h 15mUnited Airlines
Sat 13-912:35IAD - SIN
1 stop30h 05mUnited Airlines
Deal found 29-1S$ 1,395
Sat 15-317:00SIN - IAD
1 stop34h 45mMultiple Airlines
Sat 22-311:00IAD - SIN
2 stops31h 15mMultiple Airlines
Deal found 29-1S$ 1,399
Wed 30-723:00SIN - IAD
1 stop44h 40mAir India
Fri 8-811:00IAD - SIN
1 stop22h 45mAir India
Deal found 29-1S$ 1,434
Thu 13-206:35SIN - IAD
2 stops27h 06mAir Canada
Tue 18-214:35IAD - SIN
2 stops28h 20mAir Canada
Deal found 29-1S$ 1,546
Sat 24-523:25SIN - IAD
1 stop32h 00mLufthansa
Thu 12-622:20IAD - SIN
1 stop30h 20mLufthansa
Deal found 28-1S$ 1,611
Wed 12-200:05SIN - IAD
1 stop28h 25mSWISS
Tue 18-217:30IAD - SIN
1 stop35h 25mSWISS
Deal found 29-1S$ 1,643
Wed 30-719:45SIN - IAD
2 stops36h 00mIndiGo
Fri 8-812:35IAD - SIN
2 stops40h 45mIndiGo
Deal found 29-1S$ 1,720
Thu 1-523:20SIN - IAD
1 stop28h 30mBritish Airways
Thu 8-522:40IAD - SIN
1 stop29h 25mBritish Airways
Deal found 29-1S$ 1,742
Wed 26-201:55SIN - IAD
2 stops32h 14mAsiana Airlines
Thu 6-306:00IAD - SIN
2 stops29h 35mAsiana Airlines
Deal found 29-1S$ 1,831

Find flights to Dulles Intl within your budget

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 30 January 2025.

Fly from

Any airport

Route

Depart

Return

Price

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sat 15-3

17:00-15:45

1 stop34h 45m

Washington, D.C. Dulles Intl

Sat 22-3

19:10-15:30

1 stop32h 20m

S$ 1,014

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Mon 21-4

23:25-15:40

1 stop28h 15m

Washington, D.C. Dulles Intl

Sat 26-4

18:00-21:55

2 stops39h 55m

S$ 1,287

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Thu 13-2

10:25-19:30

1 stop46h 05m

Washington, D.C. Dulles Intl

Tue 18-2

21:25-17:35

1 stop31h 10m

S$ 1,299

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sat 15-3

17:00-15:45

1 stop34h 45m

Washington, D.C. Dulles Intl

Sat 22-3

11:00-06:15

2 stops31h 15m

S$ 1,399

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Thu 3-4

20:05-07:40

1 stop23h 35m

Washington, D.C. Dulles Intl

Fri 18-4

11:00-21:45

1 stop22h 45m

S$ 1,483

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sat 1-2

10:10-11:49

2 stops38h 39m

Washington, D.C. Dulles Intl

Mon 3-2

06:32-20:15

1 stop24h 43m

S$ 1,537

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Thu 13-2

06:35-20:41

2 stops27h 06m

Washington, D.C. Dulles Intl

Tue 18-2

14:35-07:55

2 stops28h 20m

S$ 1,546

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Wed 12-2

00:05-15:30

1 stop28h 25m

Washington, D.C. Dulles Intl

Tue 18-2

17:30-17:55

1 stop35h 25m

S$ 1,643

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Wed 26-2

01:55-21:09

2 stops32h 14m

Washington, D.C. Dulles Intl

Thu 6-3

06:00-00:35

2 stops29h 35m

S$ 1,831

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sat 15-3

00:30-09:00

1 stop44h 30m

Washington, D.C. Dulles Intl

Sun 23-3

11:15-21:45

1 stop22h 30m

S$ 1,836

Flights are sorted by cheapest return flights first.

Deals found on 29-1

Showing 1-10 of 39 results
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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.

Travel insights for flights to Dulles Intl

Get recent, data-driven insights about flights to Dulles Intl including ideal travel times, pricing trends, and more.

When is the best time to book a flight to Dulles Intl?

Use this chart to determine the optimal time to book a return flight from Singapore to Dulles Intl. Price data was last updated on 24 January 2025.

The price you pay for your flight to Dulles Intl may vary depending on when you book. For the best chance of a lower fare, look to book 85 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

How long is the flight to Dulles Intl?

On average, a flight from Singapore to Dulles Intl takes 22 hours 40 minutes. Flights to Dulles Intl from other popular cities in Singapore will vary in length. Below are a few examples of popular routes and their flight times.

What are the cheapest airlines that fly to Dulles Intl?

The cheapest airlines flying from Singapore to Dulles Intl are SAUDIA, United Airlines and Air India.

Rainfall in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Dulles Intl ranges from 66.0 - 102.0 mm per month. May is typically the wettest month, when rainfall can reach 102.0 mm. February is typically the driest time to visit Dulles Intl when rainfall is around 66.0 mm.

Temperature in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Dulles Intl, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 2.0 C).

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 30 January 2025.
Peruse reviews from past customers who have flown Korean Air, ANA and Asiana Airlines to Washington, D.C. to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Overall

8.5

Boarding

8.5

Entertainment

8.2

Food

8.1

Crew

8.7

Comfort

8.3

Reviews

1 / 20

10.0
Excellent

David,Dec 2024

JFK - MCO

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Overall

8.5

Boarding

8.5

Entertainment

8.2

Food

8.1

Crew

8.7

Comfort

8.3

Reviews

1 / 20

10.0
Excellent

David,Dec 2024

JFK - MCO

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

8.4
Very Good

Overall

8.5

Boarding

8.5

Entertainment

8.2

Food

8.1

Crew

8.7

Comfort

8.3

Reviews

1 / 20

10.0
Excellent

David,Dec 2024

JFK - MCO

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Overall

8.5

Boarding

8.5

Entertainment

8.2

Food

8.1

Crew

8.7

Comfort

8.3

Reviews

1 / 20

10.0
Excellent

David,Dec 2024

JFK - MCO

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Overall

8.5

Boarding

8.5

Entertainment

8.2

Food

8.1

Crew

8.7

Comfort

8.3

Reviews

1 / 20

10.0
Excellent

David,Dec 2024

JFK - MCO

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Overall

8.5

Boarding

8.5

Entertainment

8.2

Food

8.1

Crew

8.7

Comfort

8.3

Reviews

1 / 20

10.0
Excellent

David,Dec 2024

JFK - MCO

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

  • 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, SAUDIA 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$ 325, while return flights cost around S$ 700.

  • 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).

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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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