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.
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.
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 30 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 30 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 30 January 2025.
Fly from
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
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
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
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
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
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
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
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
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
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
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 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 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 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
Boarding
Entertainment
Food
Crew
Comfort
Reviews
David,Dec 2024
JFK - MCO
Overall
Boarding
Entertainment
Food
Crew
Comfort
Reviews
David,Dec 2024
JFK - MCO
Overall
Boarding
Entertainment
Food
Crew
Comfort
Reviews
David,Dec 2024
JFK - MCO
Overall
Boarding
Entertainment
Food
Crew
Comfort
Reviews
David,Dec 2024
JFK - MCO
Overall
Boarding
Entertainment
Food
Crew
Comfort
Reviews
David,Dec 2024
JFK - MCO
Overall
Boarding
Entertainment
Food
Crew
Comfort
Reviews
David,Dec 2024
JFK - MCO
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