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.
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.
Find flight deals to Dulles Intl Airport
Cheapest flights to Dulles Intl AirportExplore 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.
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.
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
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
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
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
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
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
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
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
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
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
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
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.
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 most popular airlines that fly to Dulles Intl?
The most popular airlines flying from Singapore to Dulles Intl are United Airlines, Air India and Korean Air.
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.
Entertainment
Comfort
Boarding
Food
Crew
Overall
Reviews
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.
Entertainment
Comfort
Boarding
Food
Crew
Overall
Reviews
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.
Entertainment
Comfort
Boarding
Food
Crew
Overall
Reviews
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.
Entertainment
Comfort
Boarding
Food
Crew
Overall
Reviews
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.
Entertainment
Comfort
Boarding
Food
Crew
Overall
Reviews
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.
Entertainment
Comfort
Boarding
Food
Crew
Overall
Reviews
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.
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