This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 20-12. Fares are subject to change and may not be available on all flights or dates of travel.
— IAD
9 Dec — 16 Dec1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Flights to Dulles Intl in 2026
Enter your travel dates to find the best prices.
Cheapest
Best
Last-minute
One-way
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 9 November 2026.
Mon 9-1123:55 -
1 stop31h 35m
Tue 17-1122:00 -
1 stop34h 55m
Deal found 8-11S$ 1,228
Wed 11-1111:40 -
1 stop37h 05m
Wed 25-1121:20 -
1 stop31h 20m
Deal found 4-11S$ 1,233
Sun 27-1219:25 -
1 stop26h 35m
Tue 12-114:25 -
1 stop30h 10m
Deal found 8-11S$ 1,293
Mon 7-1211:40 -
1 stop44h 45m
Mon 14-1221:20 -
1 stop23h 40m
Deal found 9-11S$ 1,460
Thu 12-1110:25 -
1 stop38h 20m
Wed 25-1113:30 -
1 stop31h 30m
Deal found 9-11S$ 1,467
Tue 17-1110:25 -
1 stop46h 00m
Sun 22-1121:20 -
1 stop22h 25m
Deal found 8-11S$ 1,494
Mon 30-1123:55 -
1 stop31h 35m
Fri 4-1222:00 -
1 stop29h 15m
Deal found 7-11S$ 1,495
Mon 9-1123:55 -
1 stop31h 35m
Fri 13-1122:00 -
1 stop29h 15m
Deal found 8-11S$ 1,499
Wed 11-1123:15 -
1 stop25h 30m
Wed 25-1106:00 -
2 stops34h 40m
Deal found 4-11S$ 1,531
Sun 27-1219:25 -
1 stop26h 35m
Sun 3-114:25 -
1 stop30h 10m
Deal found 9-11S$ 1,540
Sat 26-1219:25 -
1 stop26h 35m
Sun 3-114:25 -
1 stop30h 10m
Deal found 9-11S$ 1,554
Sun 27-1219:25 -
1 stop26h 35m
Tue 12-111:10 -
2 stops43h 30m
Deal found 8-11S$ 1,597
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 9 November 2026.
Sun 27-1219:25 -
1 stop26h 35m
Tue 12-114:25 -
1 stop30h 10m
Deal found 8-11S$ 1,293
Thu 28-110:25 -
1 stop46h 00m
Tue 9-221:20 -
1 stop22h 25m
Deal found 9-11S$ 1,534
Mon 12-420:35 -
2 stops26h 59m
Sun 18-414:36 -
1 stop39h 59m
Deal found 8-11S$ 1,653
Tue 22-1219:25 -
1 stop26h 35m
Sun 27-1217:50 -
2 stops41h 20m
Deal found 8-11S$ 1,798
Fri 18-1212:30 -
2 stops33h 05m
Fri 8-110:35 -
2 stops44h 45m
Deal found 7-11S$ 1,906
Sun 21-219:25 -
1 stop26h 35m
Sun 28-214:25 -
1 stop30h 10m
Deal found 6-11S$ 1,562
Fri 18-1211:40 -
1 stop37h 05m
Fri 8-113:30 -
1 stop39h 10m
Deal found 7-11S$ 1,603
Sun 21-222:20 -
1 stop21h 45m
Mon 1-315:33 -
2 stops27h 27m
Deal found 6-11S$ 1,744
Thu 24-1212:20 -
3 stops33h 40m
Thu 31-1209:55 -
3 stops35h 30m
Deal found 9-11S$ 1,929
Sat 21-1122:20 -
1 stop39h 39m
Tue 24-1115:37 -
2 stops27h 23m
Deal found 7-11S$ 1,824
Wed 23-1211:40 -
1 stop44h 45m
Wed 30-1213:30 -
1 stop31h 30m
Deal found 7-11S$ 1,909
Sat 26-1222:20 -
2 stops32h 02m
Sun 3-122:13 -
2 stops36h 27m
Deal found 9-11S$ 1,829
Last-minute flights to Dulles Intl Airport
Discover last-minute flight deals to Dulles Intl Airport. Data last updated 9 November 2026 and is based on user searches.
Mon 9-1123:55 -
1 stop31h 35m
Tue 17-1122:00 -
1 stop34h 55m
Deal found 8-11S$ 1,228
Mon 9-1123:55 -
1 stop31h 35m
Fri 13-1122:00 -
1 stop29h 15m
Deal found 8-11S$ 1,499
Wed 11-1111:40 -
1 stop37h 05m
Wed 25-1121:20 -
1 stop31h 20m
Deal found 4-11S$ 1,233
Wed 11-1123:15 -
1 stop25h 30m
Wed 25-1106:00 -
2 stops34h 40m
Deal found 4-11S$ 1,531
Thu 12-1110:25 -
1 stop38h 20m
Wed 25-1113:30 -
1 stop31h 30m
Deal found 9-11S$ 1,467
Tue 17-1110:25 -
1 stop46h 00m
Sun 22-1121:20 -
1 stop22h 25m
Deal found 8-11S$ 1,494
Mon 30-1123:55 -
1 stop31h 35m
Fri 4-1222:00 -
1 stop29h 15m
Deal found 7-11S$ 1,495
Mon 7-1211:40 -
1 stop44h 45m
Mon 14-1221:20 -
1 stop23h 40m
Deal found 9-11S$ 1,460
Sat 26-1219:25 -
1 stop26h 35m
Sun 3-114:25 -
1 stop30h 10m
Deal found 9-11S$ 1,554
Sun 27-1219:25 -
1 stop26h 35m
Tue 12-114:25 -
1 stop30h 10m
Deal found 8-11S$ 1,293
Sun 27-1219:25 -
1 stop26h 35m
Sun 3-114:25 -
1 stop30h 10m
Deal found 9-11S$ 1,540
Sun 27-1219:25 -
1 stop26h 35m
Tue 12-111:10 -
2 stops43h 30m
Deal found 8-11S$ 1,597
One-way flights to Dulles Intl Airport
Search for one-way flight options to Dulles Intl Airport. Find affordable one-way fares based on user searches. Data last updated 9 November 2026.
Sun 20-1219:25 -
1 stop26h 35m
Wed 31-1200:00 -
Nonstop0h 00m
Deal found 6-11S$ 627
Mon 21-1221:30 -
2 stops34h 00m
Wed 31-1200:00 -
Nonstop0h 00m
Deal found 6-11S$ 789
Thu 25-200:50 -
2 stops30h 40m
Wed 31-1200:00 -
Nonstop0h 00m
Deal found 7-11S$ 805
Sun 20-1219:25 -
2 stops42h 26m
Wed 31-1200:00 -
Nonstop0h 00m
Deal found 6-11S$ 816
Wed 2-1212:00 -
2 stops34h 00m
Wed 31-1200:00 -
Nonstop0h 00m
Deal found 6-11S$ 823
Wed 9-1219:45 -
3 stops59h 45m
Wed 31-1200:00 -
Nonstop0h 00m
Deal found 7-11S$ 832
Sun 20-1210:25 -
1 stop46h 00m
Wed 31-1200:00 -
Nonstop0h 00m
Deal found 5-11S$ 844
Wed 2-1211:40 -
1 stop44h 45m
Wed 31-1200:00 -
Nonstop0h 00m
Deal found 6-11S$ 846
Thu 10-1223:25 -
2 stops49h 20m
Wed 31-1200:00 -
Nonstop0h 00m
Deal found 7-11S$ 852
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 7,457,451 searches and data was last updated on 9 November 2026.
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 7,457,451 searches and data was last updated on 9 November 2026.
Use the filters below to find and compare flights to Washington, D.C. Dulles Intl Airport that are best for you.
Fly from
Route
Depart
Return
Price
Cheapest return flight
SingaporeWashington, D.C.
SIN Singapore Changi - IAD Washington, D.C. Dulles Intl
SINIAD
Singapore Changi
Sun 20-12
10:25-19:25
1 stop46h 00m
Washington, D.C. Dulles Intl
Wed 31-12
00:00-12:30
Nonstop0h 00m
S$ 844
SingaporeWashington, D.C.
SIN Singapore Changi - IAD Washington, D.C. Dulles Intl
SINIAD
Singapore Changi
Sun 29-11
19:40-18:30
2 stops59h 50m
Washington, D.C. Dulles Intl
Wed 31-12
00:00-12:30
Nonstop0h 00m
S$ 930
SingaporeWashington, D.C.
SIN Singapore Changi - IAD Washington, D.C. Dulles Intl
SINIAD
Singapore Changi
Sun 20-12
02:00-05:45
2 stops40h 45m
Washington, D.C. Dulles Intl
Wed 31-12
00:00-12:30
Nonstop0h 00m
S$ 932
SingaporeWashington, D.C.
SIN Singapore Changi - IAD Washington, D.C. Dulles Intl
SINIAD
Singapore Changi
Sun 20-12
14:25-05:45
2 stops28h 20m
Washington, D.C. Dulles Intl
Wed 31-12
00:00-12:30
Nonstop0h 00m
S$ 951
SingaporeWashington, D.C.
SIN Singapore Changi - IAD Washington, D.C. Dulles Intl
SINIAD
Singapore Changi
Mon 15-2
14:25-16:26
2 stops39h 01m
Washington, D.C. Dulles Intl
Wed 31-12
00:00-12:30
Nonstop0h 00m
S$ 955
SingaporeWashington, D.C.
SIN Singapore Changi - IAD Washington, D.C. Dulles Intl
SINIAD
Singapore Changi
Mon 30-11
14:25-11:49
2 stops58h 24m
Washington, D.C. Dulles Intl
Wed 31-12
00:00-12:30
Nonstop0h 00m
S$ 987
SingaporeWashington, D.C.
SIN Singapore Changi - IAD Washington, D.C. Dulles Intl
SINIAD
Singapore Changi
Fri 26-2
11:40-19:25
1 stop44h 45m
Washington, D.C. Dulles Intl
Wed 31-12
00:00-12:30
Nonstop0h 00m
S$ 1,037
SingaporeWashington, D.C.
SIN Singapore Changi - IAD Washington, D.C. Dulles Intl
SINIAD
Singapore Changi
Fri 15-1
11:40-19:25
1 stop44h 45m
Washington, D.C. Dulles Intl
Wed 31-12
00:00-12:30
Nonstop0h 00m
S$ 1,037
Fastest return journey
SingaporeWashington, D.C.
SIN Singapore Changi - IAD Washington, D.C. Dulles Intl
SINIAD
Singapore Changi
Fri 27-11
00:05-14:30
2 stops27h 25m
Washington, D.C. Dulles Intl
Wed 31-12
00:00-12:30
Nonstop0h 00m
S$ 1,112
SingaporeWashington, D.C.
SIN Singapore Changi - IAD Washington, D.C. Dulles Intl
SINIAD
Singapore Changi
Sun 27-12
19:25-09:00
1 stop26h 35m
Washington, D.C. Dulles Intl
Tue 12-1
14:25-09:35
1 stop30h 10m
S$ 1,293
Flights are sorted by cheapest return flights first.
Deals found on 5-11
Showing 1-10 of 21 resultsSorted by cheapest first
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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.
SIN-IAD
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
Airlines
More
What are the cheapest airlines that fly to Dulles Intl?
The cheapest airline flying from Singapore to Dulles Intl is ANA.
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).
How long is the flight to Dulles Intl?
On average, a flight from Singapore to Dulles Intl takes 26 hours 35 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.
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 9 November 2026.
Read reviews from past customers who have flown ANA 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.
The boarding was way behind the est schedule. However it moved pretty fast after it started. It’d be more professional if they informed the passengers of any delay and progress.
The boarding was way behind the est schedule. However it moved pretty fast after it started. It’d be more professional if they informed the passengers of any delay and progress.
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.
Based on reviews from Cheapflights users, ANA 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$ 2,241, while return flights cost around S$ 450.
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).
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.
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