Find flights
Airlines

S$ 670+ 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
25 Jan — 1 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 20 January 2025.

Return from

S$ 1,011

One-way from

S$ 670

Popular in

July

Cheapest in

August

Average price

S$ 1,635
SAUDIA
  • SAUDIA
  • 1-3-8-3
  • 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.
High demand for flights, 3% potential price rise
Best time to find cheap flights, 1% potential price drop
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 20 January 2025.

Sat 1-317:00SIN - IAD
1 stop34h 45mSAUDIA
Sat 8-318:10IAD - SIN
1 stop32h 20mSAUDIA
Deal found 20-1S$ 1,011
Thu 13-210:25SIN - IAD
1 stop46h 05mTurkish Airlines
Tue 18-221:25IAD - SIN
1 stop22h 20mTurkish Airlines
Deal found 20-1S$ 1,310
Sat 8-217:00SIN - IAD
1 stop34h 45mMultiple Airlines
Mon 17-220:05IAD - SIN
1 stop29h 50mMultiple Airlines
Deal found 19-1S$ 1,376
Tue 1-720:05SIN - IAD
1 stop23h 10mAir India
Wed 2-711:15IAD - SIN
1 stop22h 30mAir India
Deal found 19-1S$ 1,387
Fri 14-208:15SIN - IAD
2 stops27h 18mAmerican Airlines
Tue 25-206:12IAD - SIN
2 stops35h 28mAmerican Airlines
Deal found 19-1S$ 1,495
Fri 7-210:10SIN - IAD
2 stops38h 39mUnited Airlines
Sun 16-212:35IAD - SIN
1 stop29h 20mUnited Airlines
Deal found 19-1S$ 1,532
Tue 18-200:05SIN - IAD
1 stop28h 25mSWISS
Tue 25-220:45IAD - SIN
1 stop32h 10mSWISS
Deal found 19-1S$ 1,564
Wed 5-319:40SIN - IAD
2 stops36h 50mIndiGo
Wed 12-322:25IAD - SIN
2 stops30h 55mIndiGo
Deal found 19-1S$ 1,595
Wed 2-423:40SIN - IAD
2 stops31h 45mLufthansa
Wed 16-423:05IAD - SIN
1 stop29h 35mLufthansa
Deal found 19-1S$ 1,636
Fri 4-423:25SIN - IAD
1 stop28h 15mAir China
Sat 19-418:00IAD - SIN
2 stops48h 50mAir China
Deal found 19-1S$ 1,719
Thu 24-722:40SIN - IAD
1 stop33h 30mBritish Airways
Wed 13-819:25IAD - SIN
1 stop34h 20mBritish Airways
Deal found 19-1S$ 1,792
Tue 4-303:15SIN - IAD
1 stop25h 40mQatar Airways
Wed 12-311:35IAD - SIN
1 stop21h 40mQatar Airways
Deal found 19-1S$ 1,823

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 20 January 2025.

Fly from

Any airport

Route

Depart

Return

Price

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sat 1-3

17:00-14:45

1 stop34h 45m

Washington, D.C. Dulles Intl

Sat 8-3

18:10-15:30

1 stop32h 20m

S$ 1,011

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

21:25-08:45

1 stop22h 20m

S$ 1,310

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sat 8-2

17:00-14:45

1 stop34h 45m

Washington, D.C. Dulles Intl

Mon 17-2

20:05-14:55

1 stop29h 50m

S$ 1,376

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Tue 1-7

20:05-07:15

1 stop23h 10m

Washington, D.C. Dulles Intl

Wed 2-7

11:15-21:45

1 stop22h 30m

S$ 1,387

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Fri 14-2

08:15-22:33

2 stops27h 18m

Washington, D.C. Dulles Intl

Tue 25-2

06:12-06:40

2 stops35h 28m

S$ 1,495

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Fri 7-2

10:10-11:49

2 stops38h 39m

Washington, D.C. Dulles Intl

Sun 16-2

12:35-06:55

1 stop29h 20m

S$ 1,532

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Tue 18-2

00:05-15:30

1 stop28h 25m

Washington, D.C. Dulles Intl

Tue 25-2

20:45-17:55

1 stop32h 10m

S$ 1,564

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Wed 5-3

19:40-19:30

2 stops36h 50m

Washington, D.C. Dulles Intl

Wed 12-3

22:25-17:20

2 stops30h 55m

S$ 1,595

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Wed 2-4

23:40-19:25

2 stops31h 45m

Washington, D.C. Dulles Intl

Thu 17-4

23:05-16:40

1 stop29h 35m

S$ 1,636

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Fri 4-4

23:25-15:40

1 stop28h 15m

Washington, D.C. Dulles Intl

Sat 19-4

18:00-06:50

2 stops48h 50m

S$ 1,719

Flights are sorted by cheapest return flights first.

Deals found on 19-1

Showing 1-10 of 35 results
1
2
3
4

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 17 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 23 hours 10 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 20 January 2025.
8.5
Very Good
1,039 reviews

Entertainment

8.2

Comfort

8.3

Boarding

8.5

Food

8.1

Crew

8.7

Overall

8.5

Reviews

1 / 10

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.

8.5
Very Good
1,039 reviews
8.5
Very Good
1,039 reviews

Entertainment

8.2

Comfort

8.3

Boarding

8.5

Food

8.1

Crew

8.7

Overall

8.5

Reviews

1 / 10

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.

8.1
Very Good
3,356 reviews
8.5
Very Good
1,039 reviews

Entertainment

8.2

Comfort

8.3

Boarding

8.5

Food

8.1

Crew

8.7

Overall

8.5

Reviews

1 / 10

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.

8.1
Very Good
1,328 reviews
8.5
Very Good
1,039 reviews

Entertainment

8.2

Comfort

8.3

Boarding

8.5

Food

8.1

Crew

8.7

Overall

8.5

Reviews

1 / 10

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.

8.0
Very Good
8,521 reviews
8.5
Very Good
1,039 reviews

Entertainment

8.2

Comfort

8.3

Boarding

8.5

Food

8.1

Crew

8.7

Overall

8.5

Reviews

1 / 10

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.

7.8
Good
1,341 reviews
8.5
Very Good
1,039 reviews

Entertainment

8.2

Comfort

8.3

Boarding

8.5

Food

8.1

Crew

8.7

Overall

8.5

Reviews

1 / 10

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$ 330, while return flights cost around S$ 710.

  • 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.

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.